diff options
Diffstat (limited to 'cpu')
94 files changed, 8292 insertions, 2608 deletions
diff --git a/cpu/arm1136/config.mk b/cpu/arm1136/config.mk index ca9dc25..e39e774 100644 --- a/cpu/arm1136/config.mk +++ b/cpu/arm1136/config.mk @@ -21,6 +21,14 @@ # MA 02111-1307 USA # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ + -msoft-float # Make ARMv5 to allow more compilers to work, even though its v6. -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv5 +PLATFORM_CPPFLAGS += -march=armv5 +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/arm1136/cpu.c b/cpu/arm1136/cpu.c index 7fa5ddc..85a4849 100644 --- a/cpu/arm1136/cpu.c +++ b/cpu/arm1136/cpu.c @@ -33,7 +33,9 @@ #include <common.h> #include <command.h> +#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR) #include <asm/arch/omap2420.h> +#endif /* read co-processor 15, register #1 (control register) */ static unsigned long read_p15_c1 (void) diff --git a/cpu/arm1136/interrupts.c b/cpu/arm1136/interrupts.c index 23236dc..1dc36d0 100644 --- a/cpu/arm1136/interrupts.c +++ b/cpu/arm1136/interrupts.c @@ -32,7 +32,11 @@ #include <common.h> #include <asm/arch/bits.h> -#include <asm/arch/omap2420.h> + +#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR) +# include <asm/arch/omap2420.h> +#endif + #include <asm/proc-armv/ptrace.h> #define TIMER_LOAD_VAL 0 @@ -172,6 +176,10 @@ void do_irq (struct pt_regs *pt_regs) bad_mode (); } +#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR) +/* Use the IntegratorCP function from board/integratorcp.c */ +#else + static ulong timestamp; static ulong lastinc; @@ -189,7 +197,6 @@ int interrupt_init (void) return(0); } - /* * timer without interrupts */ @@ -281,7 +288,6 @@ unsigned long long get_ticks(void) { return get_timer(0); } - /* * This function is derived from PowerPC code (timebase clock frequency). * On ARM it returns the number of timer ticks per second. @@ -292,3 +298,4 @@ ulong get_tbclk (void) tbclk = CFG_HZ; return tbclk; } +#endif /* !Integrator/CP */ diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S index c3bf6e3..17c7a83 100644 --- a/cpu/arm1136/start.S +++ b/cpu/arm1136/start.S @@ -30,8 +30,9 @@ #include <config.h> #include <version.h> +#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR) #include <asm/arch/omap2420.h> - +#endif .globl _start _start: b reset ldr pc, _undefined_instruction @@ -210,7 +211,7 @@ cpu_init_crit: * basic memory. Go here to bump up clock rate and handle wake up conditions. */ mov ip, lr /* persevere link reg across call */ - bl platformsetup /* go setup pll,mux,memory */ + bl lowlevel_init /* go setup pll,mux,memory */ mov lr, ip /* restore link */ mov pc, lr /* back to my caller */ /* @@ -397,6 +398,10 @@ arm1136_cache_flush: mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache mov pc, lr @ back to caller +#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR) +/* Use the IntegratorCP function from board/integratorcp/platform.S */ +#else + .align 5 .globl reset_cpu reset_cpu: @@ -408,3 +413,5 @@ _loop_forever: b _loop_forever rstctl: .word PM_RSTCTRL_WKUP + +#endif diff --git a/cpu/arm720t/config.mk b/cpu/arm720t/config.mk index 2d79709..641b91c 100644 --- a/cpu/arm720t/config.mk +++ b/cpu/arm720t/config.mk @@ -23,6 +23,13 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi +PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/arm720t/cpu.c b/cpu/arm720t/cpu.c index 5421aff..a5b6de7 100644 --- a/cpu/arm720t/cpu.c +++ b/cpu/arm720t/cpu.c @@ -57,7 +57,7 @@ int cleanup_before_linux (void) * and we set the CPU-speed to 73 MHz - see start.S for details */ -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) unsigned long i; disable_interrupts (); @@ -76,6 +76,8 @@ int cleanup_before_linux (void) #elif defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) disable_interrupts (); /* Nothing more needed */ +#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* No cleanup before linux for IntegratorAP/CM720T as yet */ #else #error No cleanup_before_linux() defined for this CPU type #endif @@ -95,7 +97,7 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * */ -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO) /* read co-processor 15, register #1 (control register) */ static unsigned long read_p15_c1(void) { @@ -245,6 +247,11 @@ int dcache_status (void) return icache_status(); } +#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* No specific cache setup for IntegratorAP/CM720T as yet */ + void icache_enable (void) + { + } #else #error No icache/dcache enable/disable functions defined for this CPU type #endif diff --git a/cpu/arm720t/interrupts.c b/cpu/arm720t/interrupts.c index ab28e60..da62502 100644 --- a/cpu/arm720t/interrupts.c +++ b/cpu/arm720t/interrupts.c @@ -180,7 +180,7 @@ void do_fiq (struct pt_regs *pt_regs) void do_irq (struct pt_regs *pt_regs) { -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO) printf ("interrupt request\n"); show_regs (pt_regs); bad_mode (); @@ -193,6 +193,8 @@ void do_irq (struct pt_regs *pt_regs) /* clear pending interrupt */ PUT_REG( REG_INTPEND, (1<<(pending>>2))); } +#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* No do_irq() for IntegratorAP/CM720T as yet */ #else #error do_irq() not defined for this CPU type #endif @@ -216,6 +218,10 @@ static void timer_isr( void *data) { } #endif +#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* Use IntegratorAP routines in board/integratorap.c */ +#else + static ulong timestamp; static ulong lastdec; @@ -233,7 +239,7 @@ int interrupt_init (void) /* set timer 2 counter */ lastdec = TIMER_LOAD_VAL; -#elif defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) +#elif defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) /* disable all interrupts */ IO_INTMR1 = 0; @@ -296,12 +302,14 @@ int interrupt_init (void) return (0); } +#endif /* ! IntegratorAP */ + /* * timer without interrupts */ -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO) void reset_timer (void) { @@ -398,6 +406,8 @@ void udelay (unsigned long usec) } +#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* No timer routines for IntegratorAP/CM720T as yet */ #else #error Timer routines not defined for this CPU type #endif diff --git a/cpu/arm720t/serial.c b/cpu/arm720t/serial.c index a5da4b7..0f99979 100644 --- a/cpu/arm720t/serial.c +++ b/cpu/arm720t/serial.c @@ -30,7 +30,7 @@ #include <common.h> -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) #include <clps7111.h> diff --git a/cpu/arm720t/serial_netarm.c b/cpu/arm720t/serial_netarm.c index 5b41949..5ad98f0 100644 --- a/cpu/arm720t/serial_netarm.c +++ b/cpu/arm720t/serial_netarm.c @@ -35,7 +35,11 @@ #include <asm/hardware.h> #define PORTA (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTA)) +#if !defined(CONFIG_NETARM_NS7520) #define PORTB (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTB)) +#else +#define PORTC (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTC)) +#endif /* wait until transmitter is ready for another character */ #define TXWAITRDY(registers) \ @@ -48,8 +52,13 @@ } +#ifndef CONFIG_UART1_CONSOLE volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(0); volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(1); +#else +volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(1); +volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(0); +#endif extern void _netarm_led_FAIL1(void); @@ -62,8 +71,13 @@ void serial_setbrg (void) DECLARE_GLOBAL_DATA_PTR; /* set 0 ... make sure pins are configured for serial */ +#if !defined(CONFIG_NETARM_NS7520) PORTA = PORTB = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0); +#else + PORTA = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0); + PORTC = NETARM_GEN_PORT_CSF (0xef) | NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0); +#endif /* first turn em off */ serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a = 0; diff --git a/cpu/arm720t/start.S b/cpu/arm720t/start.S index 3695465..e66d109 100644 --- a/cpu/arm720t/start.S +++ b/cpu/arm720t/start.S @@ -188,7 +188,7 @@ _start_armboot: .word start_armboot ************************************************************************* */ -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) /* Interupt-Controller base addresses */ INTMR1: .word 0x80000280 @ 32 bit size @@ -209,7 +209,7 @@ SYSCON3: .word 0x80002200 #endif cpu_init_crit: -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) /* * mask all IRQs by clearing all bits in the INTMRs @@ -272,12 +272,15 @@ cpu_init_crit: str r1, [r0, #+NETARM_GEN_SYSTEM_CONTROL] +#ifndef CONFIG_NETARM_PLL_BYPASS ldr r1, =( NETARM_GEN_PLL_CTL_PLLCNT(NETARM_PLL_COUNT_VAL) | \ NETARM_GEN_PLL_CTL_POLTST_DEF | \ NETARM_GEN_PLL_CTL_INDIV(1) | \ NETARM_GEN_PLL_CTL_ICP_DEF | \ NETARM_GEN_PLL_CTL_OUTDIV(2) ) str r1, [r0, #+NETARM_GEN_PLL_CONTROL] +#endif + /* * mask all IRQs by clearing all bits in the INTMRs */ @@ -301,6 +304,8 @@ cpu_init_crit: ldr r1, =0x83ffffa0 /* cache-disabled */ str r1, [r0] +#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* No specific initialisation for IntegratorAP/CM720T as yet */ #else #error No cpu_init_crit() defined for current CPU type #endif @@ -316,12 +321,12 @@ cpu_init_crit: str r1, [r0] #endif + mov ip, lr /* * before relocating, we have to setup RAM timing * because memory timing is board-dependent, you will * find a lowlevel_init.S in your board directory. */ - mov ip, lr bl lowlevel_init mov lr, ip @@ -495,7 +500,7 @@ fiq: #endif -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) +#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) .align 5 .globl reset_cpu reset_cpu: @@ -530,6 +535,8 @@ reset_cpu: #elif defined(CONFIG_S3C4510B) /* Nothing done here as reseting the CPU is board specific, depending * on external peripherals such as watchdog timers, etc. */ +#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) + /* No specific reset actions for IntegratorAP/CM720T as yet */ #else #error No reset_cpu() defined for current CPU type #endif diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile index 0c9bcb2..aec9cb6 100644 --- a/cpu/arm920t/at91rm9200/Makefile +++ b/cpu/arm920t/at91rm9200/Makefile @@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk LIB = lib$(SOC).a -OBJS = ether.o i2c.o interrupts.o serial.o +OBJS = bcm5221.o dm9161.o ether.o i2c.o interrupts.o \ + lxt972.o serial.o usb_ohci.o SOBJS = lowlevel_init.o all: .depend $(LIB) @@ -35,8 +36,8 @@ $(LIB): $(OBJS) $(SOBJS) ######################################################################### -.depend: Makefile $(OBJS:.o=.c) - $(CC) -M $(CFLAGS) $(OBJS:.o=.c) > $@ +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ sinclude .depend diff --git a/cpu/arm920t/at91rm9200/bcm5221.c b/cpu/arm920t/at91rm9200/bcm5221.c new file mode 100644 index 0000000..6db1435 --- /dev/null +++ b/cpu/arm920t/at91rm9200/bcm5221.c @@ -0,0 +1,232 @@ +/* + * Broadcom BCM5221 Ethernet PHY + * + * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> + * Anders Larsen <alarsen@rea.de> + * + * (C) Copyright 2003 + * Author : Hamid Ikdoumi (Atmel) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <at91rm9200_net.h> +#include <net.h> +#include <bcm5221.h> + +#ifdef CONFIG_DRIVER_ETHER + +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +/* + * Name: + * bcm5221_IsPhyConnected + * Description: + * Reads the 2 PHY ID registers + * Arguments: + * p_mac - pointer to AT91S_EMAC struct + * Return value: + * TRUE - if id read successfully + * FALSE- if error + */ +unsigned int bcm5221_IsPhyConnected (AT91PS_EMAC p_mac) +{ + unsigned short Id1, Id2; + + at91rm9200_EmacEnableMDIO (p_mac); + at91rm9200_EmacReadPhy (p_mac, BCM5221_PHYID1, &Id1); + at91rm9200_EmacReadPhy (p_mac, BCM5221_PHYID2, &Id2); + at91rm9200_EmacDisableMDIO (p_mac); + + if ((Id1 == (BCM5221_PHYID1_OUI >> 6)) && + ((Id2 >> 10) == (BCM5221_PHYID1_OUI & BCM5221_LSB_MASK))) + return TRUE; + + return FALSE; +} + +/* + * Name: + * bcm5221_GetLinkSpeed + * Description: + * Link parallel detection status of MAC is checked and set in the + * MAC configuration registers + * Arguments: + * p_mac - pointer to MAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +unsigned char bcm5221_GetLinkSpeed (AT91PS_EMAC p_mac) +{ + unsigned short stat1, stat2; + + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMSR, &stat1)) + return FALSE; + + if (!(stat1 & BCM5221_LINK_STATUS)) /* link status up? */ + return FALSE; + + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_ACSR, &stat2)) + return FALSE; + + if ((stat1 & BCM5221_100BASE_TX_FD) && (stat2 & BCM5221_100) && (stat2 & BCM5221_FDX)) { + /*set Emac for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + return TRUE; + } + + if ((stat1 & BCM5221_10BASE_T_FD) && !(stat2 & BCM5221_100) && (stat2 & BCM5221_FDX)) { + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + return TRUE; + } + + if ((stat1 & BCM5221_100BASE_TX_HD) && (stat2 & BCM5221_100) && !(stat2 & BCM5221_FDX)) { + /*set MII for 100BaseTX and Half Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_SPD; + return TRUE; + } + + if ((stat1 & BCM5221_10BASE_T_HD) && !(stat2 & BCM5221_100) && !(stat2 & BCM5221_FDX)) { + /*set MII for 10BaseT and Half Duplex */ + p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); + return TRUE; + } + return FALSE; +} + + +/* + * Name: + * bcm5221_InitPhy + * Description: + * MAC starts checking its link by using parallel detection and + * Autonegotiation and the same is set in the MAC configuration registers + * Arguments: + * p_mac - pointer to struct AT91S_EMAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +unsigned char bcm5221_InitPhy (AT91PS_EMAC p_mac) +{ + unsigned char ret = TRUE; + unsigned short IntValue; + + at91rm9200_EmacEnableMDIO (p_mac); + + if (!bcm5221_GetLinkSpeed (p_mac)) { + /* Try another time */ + ret = bcm5221_GetLinkSpeed (p_mac); + } + + /* Disable PHY Interrupts */ + at91rm9200_EmacReadPhy (p_mac, BCM5221_INTR, &IntValue); + /* clear FDX LED and INTR Enable */ + IntValue &= ~(BCM5221_FDX_LED | BCM5221_INTR_ENABLE); + /* set FDX, SPD, Link, INTR masks */ + IntValue |= (BCM5221_FDX_MASK | BCM5221_SPD_MASK | + BCM5221_LINK_MASK | BCM5221_INTR_MASK); + at91rm9200_EmacWritePhy (p_mac, BCM5221_INTR, &IntValue); + at91rm9200_EmacDisableMDIO (p_mac); + + return (ret); +} + + +/* + * Name: + * bcm5221_AutoNegotiate + * Description: + * MAC Autonegotiates with the partner status of same is set in the + * MAC configuration registers + * Arguments: + * dev - pointer to struct net_device + * Return value: + * TRUE - if link status set successfully + * FALSE - if link status not set + */ +unsigned char bcm5221_AutoNegotiate (AT91PS_EMAC p_mac, int *status) +{ + unsigned short value; + unsigned short PhyAnar; + unsigned short PhyAnalpar; + + /* Set bcm5221 control register */ + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + value &= ~BCM5221_AUTONEG; /* remove autonegotiation enable */ + value |= BCM5221_ISOLATE; /* Electrically isolate PHY */ + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + + /* Set the Auto_negotiation Advertisement Register */ + /* MII advertising for 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */ + PhyAnar = BCM5221_TX_FDX | BCM5221_TX_HDX | + BCM5221_10_FDX | BCM5221_10_HDX | BCM5221_AN_IEEE_802_3; + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_ANAR, &PhyAnar)) + return FALSE; + + /* Read the Control Register */ + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + + value |= BCM5221_SPEED_SELECT | BCM5221_AUTONEG | BCM5221_DUPLEX_MODE; + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + /* Restart Auto_negotiation */ + value |= BCM5221_RESTART_AUTONEG; + value &= ~BCM5221_ISOLATE; + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + + /*check AutoNegotiate complete */ + udelay (10000); + at91rm9200_EmacReadPhy (p_mac, BCM5221_BMSR, &value); + if (!(value & BCM5221_AUTONEG_COMP)) + return FALSE; + + /* Get the AutoNeg Link partner base page */ + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_ANLPAR, &PhyAnalpar)) + return FALSE; + + if ((PhyAnar & BCM5221_TX_FDX) && (PhyAnalpar & BCM5221_TX_FDX)) { + /*set MII for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + return TRUE; + } + + if ((PhyAnar & BCM5221_10_FDX) && (PhyAnalpar & BCM5221_10_FDX)) { + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + return TRUE; + } + return FALSE; +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NET */ + +#endif /* CONFIG_DRIVER_ETHER */ diff --git a/cpu/arm920t/at91rm9200/dm9161.c b/cpu/arm920t/at91rm9200/dm9161.c new file mode 100644 index 0000000..4b13c23 --- /dev/null +++ b/cpu/arm920t/at91rm9200/dm9161.c @@ -0,0 +1,225 @@ +/* + * (C) Copyright 2003 + * Author : Hamid Ikdoumi (Atmel) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <at91rm9200_net.h> +#include <net.h> +#include <dm9161.h> + +#ifdef CONFIG_DRIVER_ETHER + +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +/* + * Name: + * dm9161_IsPhyConnected + * Description: + * Reads the 2 PHY ID registers + * Arguments: + * p_mac - pointer to AT91S_EMAC struct + * Return value: + * TRUE - if id read successfully + * FALSE- if error + */ +unsigned int dm9161_IsPhyConnected (AT91PS_EMAC p_mac) +{ + unsigned short Id1, Id2; + + at91rm9200_EmacEnableMDIO (p_mac); + at91rm9200_EmacReadPhy (p_mac, DM9161_PHYID1, &Id1); + at91rm9200_EmacReadPhy (p_mac, DM9161_PHYID2, &Id2); + at91rm9200_EmacDisableMDIO (p_mac); + + if ((Id1 == (DM9161_PHYID1_OUI >> 6)) && + ((Id2 >> 10) == (DM9161_PHYID1_OUI & DM9161_LSB_MASK))) + return TRUE; + + return FALSE; +} + +/* + * Name: + * dm9161_GetLinkSpeed + * Description: + * Link parallel detection status of MAC is checked and set in the + * MAC configuration registers + * Arguments: + * p_mac - pointer to MAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +UCHAR dm9161_GetLinkSpeed (AT91PS_EMAC p_mac) +{ + unsigned short stat1, stat2; + + if (!at91rm9200_EmacReadPhy (p_mac, DM9161_BMSR, &stat1)) + return FALSE; + + if (!(stat1 & DM9161_LINK_STATUS)) /* link status up? */ + return FALSE; + + if (!at91rm9200_EmacReadPhy (p_mac, DM9161_DSCSR, &stat2)) + return FALSE; + + if ((stat1 & DM9161_100BASE_TX_FD) && (stat2 & DM9161_100FDX)) { + /*set Emac for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + return TRUE; + } + + if ((stat1 & DM9161_10BASE_T_FD) && (stat2 & DM9161_10FDX)) { + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + return TRUE; + } + + if ((stat1 & DM9161_100BASE_T4_HD) && (stat2 & DM9161_100HDX)) { + /*set MII for 100BaseTX and Half Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_SPD; + return TRUE; + } + + if ((stat1 & DM9161_10BASE_T_HD) && (stat2 & DM9161_10HDX)) { + /*set MII for 10BaseT and Half Duplex */ + p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); + return TRUE; + } + return FALSE; +} + + +/* + * Name: + * dm9161_InitPhy + * Description: + * MAC starts checking its link by using parallel detection and + * Autonegotiation and the same is set in the MAC configuration registers + * Arguments: + * p_mac - pointer to struct AT91S_EMAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +UCHAR dm9161_InitPhy (AT91PS_EMAC p_mac) +{ + UCHAR ret = TRUE; + unsigned short IntValue; + + at91rm9200_EmacEnableMDIO (p_mac); + + if (!dm9161_GetLinkSpeed (p_mac)) { + /* Try another time */ + ret = dm9161_GetLinkSpeed (p_mac); + } + + /* Disable PHY Interrupts */ + at91rm9200_EmacReadPhy (p_mac, DM9161_MDINTR, &IntValue); + /* set FDX, SPD, Link, INTR masks */ + IntValue |= (DM9161_FDX_MASK | DM9161_SPD_MASK | + DM9161_LINK_MASK | DM9161_INTR_MASK); + at91rm9200_EmacWritePhy (p_mac, DM9161_MDINTR, &IntValue); + at91rm9200_EmacDisableMDIO (p_mac); + + return (ret); +} + + +/* + * Name: + * dm9161_AutoNegotiate + * Description: + * MAC Autonegotiates with the partner status of same is set in the + * MAC configuration registers + * Arguments: + * dev - pointer to struct net_device + * Return value: + * TRUE - if link status set successfully + * FALSE - if link status not set + */ +UCHAR dm9161_AutoNegotiate (AT91PS_EMAC p_mac, int *status) +{ + unsigned short value; + unsigned short PhyAnar; + unsigned short PhyAnalpar; + + /* Set dm9161 control register */ + if (!at91rm9200_EmacReadPhy (p_mac, DM9161_BMCR, &value)) + return FALSE; + value &= ~DM9161_AUTONEG; /* remove autonegotiation enable */ + value |= DM9161_ISOLATE; /* Electrically isolate PHY */ + if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value)) + return FALSE; + + /* Set the Auto_negotiation Advertisement Register */ + /* MII advertising for Next page, 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */ + PhyAnar = DM9161_NP | DM9161_TX_FDX | DM9161_TX_HDX | + DM9161_10_FDX | DM9161_10_HDX | DM9161_AN_IEEE_802_3; + if (!at91rm9200_EmacWritePhy (p_mac, DM9161_ANAR, &PhyAnar)) + return FALSE; + + /* Read the Control Register */ + if (!at91rm9200_EmacReadPhy (p_mac, DM9161_BMCR, &value)) + return FALSE; + + value |= DM9161_SPEED_SELECT | DM9161_AUTONEG | DM9161_DUPLEX_MODE; + if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value)) + return FALSE; + /* Restart Auto_negotiation */ + value |= DM9161_RESTART_AUTONEG; + value &= ~DM9161_ISOLATE; + if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value)) + return FALSE; + + /*check AutoNegotiate complete */ + udelay (10000); + at91rm9200_EmacReadPhy (p_mac, DM9161_BMSR, &value); + if (!(value & DM9161_AUTONEG_COMP)) + return FALSE; + + /* Get the AutoNeg Link partner base page */ + if (!at91rm9200_EmacReadPhy (p_mac, DM9161_ANLPAR, &PhyAnalpar)) + return FALSE; + + if ((PhyAnar & DM9161_TX_FDX) && (PhyAnalpar & DM9161_TX_FDX)) { + /*set MII for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + return TRUE; + } + + if ((PhyAnar & DM9161_10_FDX) && (PhyAnalpar & DM9161_10_FDX)) { + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + return TRUE; + } + return FALSE; +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NET */ + +#endif /* CONFIG_DRIVER_ETHER */ diff --git a/cpu/arm920t/at91rm9200/ether.c b/cpu/arm920t/at91rm9200/ether.c index 0bc1d89..67008d0 100644 --- a/cpu/arm920t/at91rm9200/ether.c +++ b/cpu/arm920t/at91rm9200/ether.c @@ -23,6 +23,7 @@ #include <at91rm9200_net.h> #include <net.h> +#include <miiphy.h> /* ----- Ethernet Buffer definitions ----- */ @@ -44,21 +45,19 @@ typedef struct { #define RBF_LOCAL2 (1<<24) #define RBF_LOCAL1 (1<<23) -/* Emac Buffers in last 512KBytes of SDRAM*/ -/* Be careful, buffer size is limited to 512KBytes !!! */ -#define RBF_FRAMEMAX 100 -/*#define RBF_FRAMEMEM 0x200000 */ -#define RBF_FRAMEMEM 0x21F80000 +#define RBF_FRAMEMAX 64 #define RBF_FRAMELEN 0x600 -#define RBF_FRAMEBTD RBF_FRAMEMEM -#define RBF_FRAMEBUF (RBF_FRAMEMEM + RBF_FRAMEMAX*sizeof(rbf_t)) - - #ifdef CONFIG_DRIVER_ETHER #if (CONFIG_COMMANDS & CFG_CMD_NET) +/* alignment as per Errata #11 (64 bytes) is insufficient! */ +rbf_t rbfdt[RBF_FRAMEMAX] __attribute((aligned(512))); +rbf_t *rbfp; + +unsigned char rbf_framebuf[RBF_FRAMEMAX][RBF_FRAMELEN] __attribute((aligned(4))); + /* structure to interface the PHY */ AT91S_PhyOps PhyOps; @@ -152,10 +151,6 @@ UCHAR at91rm9200_EmacWritePhy (AT91PS_EMAC p_mac, return TRUE; } - -rbf_t *rbfdt; -rbf_t *rbfp; - int eth_init (bd_t * bd) { int ret; @@ -188,9 +183,8 @@ int eth_init (bd_t * bd) p_mac->EMAC_CFG |= AT91C_EMAC_CSR; /* Clear statistics */ /* Init Ehternet buffers */ - rbfdt = (rbf_t *) RBF_FRAMEBTD; for (i = 0; i < RBF_FRAMEMAX; i++) { - rbfdt[i].addr = RBF_FRAMEBUF + RBF_FRAMELEN * i; + rbfdt[i].addr = (unsigned long)rbf_framebuf[i]; rbfdt[i].size = 0; } rbfdt[RBF_FRAMEMAX - 1].addr |= RBF_WRAP; @@ -217,7 +211,7 @@ int eth_init (bd_t * bd) p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE; - at91rm92000_GetPhyInterface (& PhyOps); + at91rm9200_GetPhyInterface (& PhyOps); if (!PhyOps.IsPhyConnected (p_mac)) printf ("PHY not connected!!\n\r"); @@ -271,8 +265,9 @@ void eth_halt (void) { }; -#if (CONFIG_COMMANDS & CFG_CMD_MII) -int miiphy_read(unsigned char addr, unsigned char reg, unsigned short * value) +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) +int at91rm9200_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short * value) { at91rm9200_EmacEnableMDIO (p_mac); at91rm9200_EmacReadPhy (p_mac, reg, value); @@ -280,14 +275,24 @@ int miiphy_read(unsigned char addr, unsigned char reg, unsigned short * value) return 0; } -int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) +int at91rm9200_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value) { at91rm9200_EmacEnableMDIO (p_mac); at91rm9200_EmacWritePhy (p_mac, reg, &value); at91rm9200_EmacDisableMDIO (p_mac); return 0; } -#endif /* CONFIG_COMMANDS & CFG_CMD_MII */ + +#endif /* defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) */ + +int at91rm9200_miiphy_initialize(bd_t *bis) +{ +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register("at91rm9200phy", at91rm9200_miiphy_read, at91rm9200_miiphy_write); +#endif + return 0; +} #endif /* CONFIG_COMMANDS & CFG_CMD_NET */ diff --git a/cpu/arm920t/at91rm9200/i2c.c b/cpu/arm920t/at91rm9200/i2c.c index 5692740..2565998 100644 --- a/cpu/arm920t/at91rm9200/i2c.c +++ b/cpu/arm920t/at91rm9200/i2c.c @@ -65,9 +65,8 @@ at91_xfer(unsigned char chip, unsigned int addr, int alen, | ((rw == 1) ? AT91C_TWI_MREAD : 0); /* Set TWI Internal Address Register with first messages data field */ - /* only one address byte is supported */ if (alen > 0) - twi->TWI_IADR = addr & 0xff; + twi->TWI_IADR = addr; length = len; buf = buffer; diff --git a/cpu/arm920t/at91rm9200/lowlevel_init.S b/cpu/arm920t/at91rm9200/lowlevel_init.S index 05887ad..1902bd0 100644 --- a/cpu/arm920t/at91rm9200/lowlevel_init.S +++ b/cpu/arm920t/at91rm9200/lowlevel_init.S @@ -123,6 +123,11 @@ LoopOsc: cmp r2, r0 bne 2b + /* switch from FastBus to Asynchronous clock mode */ + mrc p15, 0, r0, c1, c0, 0 + orr r0, r0, #0xC0000000 @ set bit 31 (iA) and 30 (nF) + mcr p15, 0, r0, c1, c0, 0 + /* everything is fine now */ mov pc, lr diff --git a/cpu/arm920t/at91rm9200/lxt972.c b/cpu/arm920t/at91rm9200/lxt972.c new file mode 100644 index 0000000..f12c59c --- /dev/null +++ b/cpu/arm920t/at91rm9200/lxt972.c @@ -0,0 +1,191 @@ +/* + * + * (C) Copyright 2003 + * Author : Hamid Ikdoumi (Atmel) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Adapted for KwikByte KB920x board: 22APR2005 + */ + +#include <common.h> +#include <at91rm9200_net.h> +#include <net.h> +#include <lxt971a.h> + +#ifdef CONFIG_DRIVER_ETHER + +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +/* + * Name: + * lxt972_IsPhyConnected + * Description: + * Reads the 2 PHY ID registers + * Arguments: + * p_mac - pointer to AT91S_EMAC struct + * Return value: + * TRUE - if id read successfully + * FALSE- if error + */ +unsigned int lxt972_IsPhyConnected (AT91PS_EMAC p_mac) +{ + unsigned short Id1, Id2; + + at91rm9200_EmacEnableMDIO (p_mac); + at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_ID1, &Id1); + at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_ID2, &Id2); + at91rm9200_EmacDisableMDIO (p_mac); + + if ((Id1 == (0x0013)) && ((Id2 & 0xFFF0) == 0x78E0)) + return TRUE; + + return FALSE; +} + +/* + * Name: + * lxt972_GetLinkSpeed + * Description: + * Link parallel detection status of MAC is checked and set in the + * MAC configuration registers + * Arguments: + * p_mac - pointer to MAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +UCHAR lxt972_GetLinkSpeed (AT91PS_EMAC p_mac) +{ + unsigned short stat1; + + if (!at91rm9200_EmacReadPhy (p_mac, PHY_LXT971_STAT2, &stat1)) + return FALSE; + + if (!(stat1 & PHY_LXT971_STAT2_LINK)) /* link status up? */ + return FALSE; + + if (stat1 & PHY_LXT971_STAT2_100BTX) { + + if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { + + /*set Emac for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + } else { + + /*set Emac for 100BaseTX and Half Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_SPD; + } + + return TRUE; + + } else { + + if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { + + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + } else { + + /*set MII for 10BaseT and Half Duplex */ + p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); + } + + return TRUE; + } + + return FALSE; +} + + +/* + * Name: + * lxt972_InitPhy + * Description: + * MAC starts checking its link by using parallel detection and + * Autonegotiation and the same is set in the MAC configuration registers + * Arguments: + * p_mac - pointer to struct AT91S_EMAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +UCHAR lxt972_InitPhy (AT91PS_EMAC p_mac) +{ + UCHAR ret = TRUE; + + at91rm9200_EmacEnableMDIO (p_mac); + + if (!lxt972_GetLinkSpeed (p_mac)) { + /* Try another time */ + ret = lxt972_GetLinkSpeed (p_mac); + } + + /* Disable PHY Interrupts */ + at91rm9200_EmacWritePhy (p_mac, PHY_LXT971_INT_ENABLE, 0); + + at91rm9200_EmacDisableMDIO (p_mac); + + return (ret); +} + + +/* + * Name: + * lxt972_AutoNegotiate + * Description: + * MAC Autonegotiates with the partner status of same is set in the + * MAC configuration registers + * Arguments: + * dev - pointer to struct net_device + * Return value: + * TRUE - if link status set successfully + * FALSE - if link status not set + */ +UCHAR lxt972_AutoNegotiate (AT91PS_EMAC p_mac, int *status) +{ + unsigned short value; + + /* Set lxt972 control register */ + if (!at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_CTRL, &value)) + return FALSE; + + /* Restart Auto_negotiation */ + value |= PHY_COMMON_CTRL_RES_AUTO; + if (!at91rm9200_EmacWritePhy (p_mac, PHY_COMMON_CTRL, &value)) + return FALSE; + + /*check AutoNegotiate complete */ + udelay (10000); + at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_STAT, &value); + if (!(value & PHY_COMMON_STAT_AN_COMP)) + return FALSE; + + return (lxt972_GetLinkSpeed (p_mac)); +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NET */ + +#endif /* CONFIG_DRIVER_ETHER */ diff --git a/cpu/arm920t/at91rm9200/usb_ohci.c b/cpu/arm920t/at91rm9200/usb_ohci.c new file mode 100644 index 0000000..5b2c56c --- /dev/null +++ b/cpu/arm920t/at91rm9200/usb_ohci.c @@ -0,0 +1,1635 @@ +/* + * URB OHCI HCD (Host Controller Driver) for USB on the AT91RM9200. + * + * (C) Copyright 2003 + * Gary Jennejohn, DENX Software Engineering <gj@denx.de> + * + * Note: Much of this code has been derived from Linux 2.4 + * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> + * (C) Copyright 2000-2002 David Brownell + * + * Modified for the MP2USB by (C) Copyright 2005 Eric Benard + * ebenard@eukrea.com - based on s3c24x0's driver + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ +/* + * IMPORTANT NOTES + * 1 - you MUST define LITTLEENDIAN in the configuration file for the + * board or this driver will NOT work! + * 2 - this driver is intended for use with USB Mass Storage Devices + * (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes! + * 3 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG + * to activate workaround for bug #41 or this driver will NOT work! + */ + +#include <common.h> +/* #include <pci.h> no PCI on the S3C24X0 */ + +#ifdef CONFIG_USB_OHCI + +#include <asm/arch/hardware.h> + +#include <malloc.h> +#include <usb.h> +#include "usb_ohci.h" + +#define OHCI_USE_NPS /* force NoPowerSwitching mode */ +#undef OHCI_VERBOSE_DEBUG /* not always helpful */ + +/* For initializing controller (mask in an HCFS mode too) */ +#define OHCI_CONTROL_INIT \ + (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE + +#define readl(a) (*((vu_long *)(a))) +#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a)) + +#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) + +#undef DEBUG +#ifdef DEBUG +#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg) +#else +#define dbg(format, arg...) do {} while(0) +#endif /* DEBUG */ +#define err(format, arg...) printf("ERROR: " format "\n", ## arg) +#undef SHOW_INFO +#ifdef SHOW_INFO +#define info(format, arg...) printf("INFO: " format "\n", ## arg) +#else +#define info(format, arg...) do {} while(0) +#endif + +#define m16_swap(x) swap_16(x) +#define m32_swap(x) swap_32(x) + +/* global ohci_t */ +static ohci_t gohci; +/* this must be aligned to a 256 byte boundary */ +struct ohci_hcca ghcca[1]; +/* a pointer to the aligned storage */ +struct ohci_hcca *phcca; +/* this allocates EDs for all possible endpoints */ +struct ohci_device ohci_dev; +/* urb_priv */ +urb_priv_t urb_priv; +/* RHSC flag */ +int got_rhsc; +/* device which was disconnected */ +struct usb_device *devgone; + +/*-------------------------------------------------------------------------*/ + +/* AMD-756 (D2 rev) reports corrupt register contents in some cases. + * The erratum (#4) description is incorrect. AMD's workaround waits + * till some bits (mostly reserved) are clear; ok for all revs. + */ +#define OHCI_QUIRK_AMD756 0xabcd +#define read_roothub(hc, register, mask) ({ \ + u32 temp = readl (&hc->regs->roothub.register); \ + if (hc->flags & OHCI_QUIRK_AMD756) \ + while (temp & mask) \ + temp = readl (&hc->regs->roothub.register); \ + temp; }) + +static u32 roothub_a (struct ohci *hc) + { return read_roothub (hc, a, 0xfc0fe000); } +static inline u32 roothub_b (struct ohci *hc) + { return readl (&hc->regs->roothub.b); } +static inline u32 roothub_status (struct ohci *hc) + { return readl (&hc->regs->roothub.status); } +static u32 roothub_portstatus (struct ohci *hc, int i) + { return read_roothub (hc, portstatus [i], 0xffe0fce0); } + + +/* forward declaration */ +static int hc_interrupt (void); +static void +td_submit_job (struct usb_device * dev, unsigned long pipe, void * buffer, + int transfer_len, struct devrequest * setup, urb_priv_t * urb, int interval); + +/*-------------------------------------------------------------------------* + * URB support functions + *-------------------------------------------------------------------------*/ + +/* free HCD-private data associated with this URB */ + +static void urb_free_priv (urb_priv_t * urb) +{ + int i; + int last; + struct td * td; + + last = urb->length - 1; + if (last >= 0) { + for (i = 0; i <= last; i++) { + td = urb->td[i]; + if (td) { + td->usb_dev = NULL; + urb->td[i] = NULL; + } + } + } +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEBUG +static int sohci_get_current_frame_number (struct usb_device * dev); + +/* debug| print the main components of an URB + * small: 0) header + data packets 1) just header */ + +static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer, + int transfer_len, struct devrequest * setup, char * str, int small) +{ + urb_priv_t * purb = &urb_priv; + + dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx", + str, + sohci_get_current_frame_number (dev), + usb_pipedevice (pipe), + usb_pipeendpoint (pipe), + usb_pipeout (pipe)? 'O': 'I', + usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): + (usb_pipecontrol (pipe)? "CTRL": "BULK"), + purb->actual_length, + transfer_len, dev->status); +#ifdef OHCI_VERBOSE_DEBUG + if (!small) { + int i, len; + + if (usb_pipecontrol (pipe)) { + printf (__FILE__ ": cmd(8):"); + for (i = 0; i < 8 ; i++) + printf (" %02x", ((__u8 *) setup) [i]); + printf ("\n"); + } + if (transfer_len > 0 && buffer) { + printf (__FILE__ ": data(%d/%d):", + purb->actual_length, + transfer_len); + len = usb_pipeout (pipe)? + transfer_len: purb->actual_length; + for (i = 0; i < 16 && i < len; i++) + printf (" %02x", ((__u8 *) buffer) [i]); + printf ("%s\n", i < len? "...": ""); + } + } +#endif +} + +/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/ +void ep_print_int_eds (ohci_t *ohci, char * str) { + int i, j; + __u32 * ed_p; + for (i= 0; i < 32; i++) { + j = 5; + ed_p = &(ohci->hcca->int_table [i]); + if (*ed_p == 0) + continue; + printf (__FILE__ ": %s branch int %2d(%2x):", str, i, i); + while (*ed_p != 0 && j--) { + ed_t *ed = (ed_t *)m32_swap(ed_p); + printf (" ed: %4x;", ed->hwINFO); + ed_p = &ed->hwNextED; + } + printf ("\n"); + } +} + +static void ohci_dump_intr_mask (char *label, __u32 mask) +{ + dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s", + label, + mask, + (mask & OHCI_INTR_MIE) ? " MIE" : "", + (mask & OHCI_INTR_OC) ? " OC" : "", + (mask & OHCI_INTR_RHSC) ? " RHSC" : "", + (mask & OHCI_INTR_FNO) ? " FNO" : "", + (mask & OHCI_INTR_UE) ? " UE" : "", + (mask & OHCI_INTR_RD) ? " RD" : "", + (mask & OHCI_INTR_SF) ? " SF" : "", + (mask & OHCI_INTR_WDH) ? " WDH" : "", + (mask & OHCI_INTR_SO) ? " SO" : "" + ); +} + +static void maybe_print_eds (char *label, __u32 value) +{ + ed_t *edp = (ed_t *)value; + + if (value) { + dbg ("%s %08x", label, value); + dbg ("%08x", edp->hwINFO); + dbg ("%08x", edp->hwTailP); + dbg ("%08x", edp->hwHeadP); + dbg ("%08x", edp->hwNextED); + } +} + +static char * hcfs2string (int state) +{ + switch (state) { + case OHCI_USB_RESET: return "reset"; + case OHCI_USB_RESUME: return "resume"; + case OHCI_USB_OPER: return "operational"; + case OHCI_USB_SUSPEND: return "suspend"; + } + return "?"; +} + +/* dump control and status registers */ +static void ohci_dump_status (ohci_t *controller) +{ + struct ohci_regs *regs = controller->regs; + __u32 temp; + + temp = readl (®s->revision) & 0xff; + if (temp != 0x10) + dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f)); + + temp = readl (®s->control); + dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp, + (temp & OHCI_CTRL_RWE) ? " RWE" : "", + (temp & OHCI_CTRL_RWC) ? " RWC" : "", + (temp & OHCI_CTRL_IR) ? " IR" : "", + hcfs2string (temp & OHCI_CTRL_HCFS), + (temp & OHCI_CTRL_BLE) ? " BLE" : "", + (temp & OHCI_CTRL_CLE) ? " CLE" : "", + (temp & OHCI_CTRL_IE) ? " IE" : "", + (temp & OHCI_CTRL_PLE) ? " PLE" : "", + temp & OHCI_CTRL_CBSR + ); + + temp = readl (®s->cmdstatus); + dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp, + (temp & OHCI_SOC) >> 16, + (temp & OHCI_OCR) ? " OCR" : "", + (temp & OHCI_BLF) ? " BLF" : "", + (temp & OHCI_CLF) ? " CLF" : "", + (temp & OHCI_HCR) ? " HCR" : "" + ); + + ohci_dump_intr_mask ("intrstatus", readl (®s->intrstatus)); + ohci_dump_intr_mask ("intrenable", readl (®s->intrenable)); + + maybe_print_eds ("ed_periodcurrent", readl (®s->ed_periodcurrent)); + + maybe_print_eds ("ed_controlhead", readl (®s->ed_controlhead)); + maybe_print_eds ("ed_controlcurrent", readl (®s->ed_controlcurrent)); + + maybe_print_eds ("ed_bulkhead", readl (®s->ed_bulkhead)); + maybe_print_eds ("ed_bulkcurrent", readl (®s->ed_bulkcurrent)); + + maybe_print_eds ("donehead", readl (®s->donehead)); +} + +static void ohci_dump_roothub (ohci_t *controller, int verbose) +{ + __u32 temp, ndp, i; + + temp = roothub_a (controller); + ndp = (temp & RH_A_NDP); +#ifdef CONFIG_AT91C_PQFP_UHPBUG + ndp = (ndp == 2) ? 1:0; +#endif + if (verbose) { + dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp, + ((temp & RH_A_POTPGT) >> 24) & 0xff, + (temp & RH_A_NOCP) ? " NOCP" : "", + (temp & RH_A_OCPM) ? " OCPM" : "", + (temp & RH_A_DT) ? " DT" : "", + (temp & RH_A_NPS) ? " NPS" : "", + (temp & RH_A_PSM) ? " PSM" : "", + ndp + ); + temp = roothub_b (controller); + dbg ("roothub.b: %08x PPCM=%04x DR=%04x", + temp, + (temp & RH_B_PPCM) >> 16, + (temp & RH_B_DR) + ); + temp = roothub_status (controller); + dbg ("roothub.status: %08x%s%s%s%s%s%s", + temp, + (temp & RH_HS_CRWE) ? " CRWE" : "", + (temp & RH_HS_OCIC) ? " OCIC" : "", + (temp & RH_HS_LPSC) ? " LPSC" : "", + (temp & RH_HS_DRWE) ? " DRWE" : "", + (temp & RH_HS_OCI) ? " OCI" : "", + (temp & RH_HS_LPS) ? " LPS" : "" + ); + } + + for (i = 0; i < ndp; i++) { + temp = roothub_portstatus (controller, i); + dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s", + i, + temp, + (temp & RH_PS_PRSC) ? " PRSC" : "", + (temp & RH_PS_OCIC) ? " OCIC" : "", + (temp & RH_PS_PSSC) ? " PSSC" : "", + (temp & RH_PS_PESC) ? " PESC" : "", + (temp & RH_PS_CSC) ? " CSC" : "", + + (temp & RH_PS_LSDA) ? " LSDA" : "", + (temp & RH_PS_PPS) ? " PPS" : "", + (temp & RH_PS_PRS) ? " PRS" : "", + (temp & RH_PS_POCI) ? " POCI" : "", + (temp & RH_PS_PSS) ? " PSS" : "", + + (temp & RH_PS_PES) ? " PES" : "", + (temp & RH_PS_CCS) ? " CCS" : "" + ); + } +} + +static void ohci_dump (ohci_t *controller, int verbose) +{ + dbg ("OHCI controller usb-%s state", controller->slot_name); + + /* dumps some of the state we know about */ + ohci_dump_status (controller); + if (verbose) + ep_print_int_eds (controller, "hcca"); + dbg ("hcca frame #%04x", controller->hcca->frame_no); + ohci_dump_roothub (controller, 1); +} + + +#endif /* DEBUG */ + +/*-------------------------------------------------------------------------* + * Interface functions (URB) + *-------------------------------------------------------------------------*/ + +/* get a transfer request */ + +int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, int interval) +{ + ohci_t *ohci; + ed_t * ed; + urb_priv_t *purb_priv; + int i, size = 0; + + ohci = &gohci; + + /* when controller's hung, permit only roothub cleanup attempts + * such as powering down ports */ + if (ohci->disabled) { + err("sohci_submit_job: EPIPE"); + return -1; + } + + /* every endpoint has a ed, locate and fill it */ + if (!(ed = ep_add_ed (dev, pipe))) { + err("sohci_submit_job: ENOMEM"); + return -1; + } + + /* for the private part of the URB we need the number of TDs (size) */ + switch (usb_pipetype (pipe)) { + case PIPE_BULK: /* one TD for every 4096 Byte */ + size = (transfer_len - 1) / 4096 + 1; + break; + case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */ + size = (transfer_len == 0)? 2: + (transfer_len - 1) / 4096 + 3; + break; + } + + if (size >= (N_URB_TD - 1)) { + err("need %d TDs, only have %d", size, N_URB_TD); + return -1; + } + purb_priv = &urb_priv; + purb_priv->pipe = pipe; + + /* fill the private part of the URB */ + purb_priv->length = size; + purb_priv->ed = ed; + purb_priv->actual_length = 0; + + /* allocate the TDs */ + /* note that td[0] was allocated in ep_add_ed */ + for (i = 0; i < size; i++) { + purb_priv->td[i] = td_alloc (dev); + if (!purb_priv->td[i]) { + purb_priv->length = i; + urb_free_priv (purb_priv); + err("sohci_submit_job: ENOMEM"); + return -1; + } + } + + if (ed->state == ED_NEW || (ed->state & ED_DEL)) { + urb_free_priv (purb_priv); + err("sohci_submit_job: EINVAL"); + return -1; + } + + /* link the ed into a chain if is not already */ + if (ed->state != ED_OPER) + ep_link (ohci, ed); + + /* fill the TDs and link it to the ed */ + td_submit_job(dev, pipe, buffer, transfer_len, setup, purb_priv, interval); + + return 0; +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEBUG +/* tell us the current USB frame number */ + +static int sohci_get_current_frame_number (struct usb_device *usb_dev) +{ + ohci_t *ohci = &gohci; + + return m16_swap (ohci->hcca->frame_no); +} +#endif + +/*-------------------------------------------------------------------------* + * ED handling functions + *-------------------------------------------------------------------------*/ + +/* link an ed into one of the HC chains */ + +static int ep_link (ohci_t *ohci, ed_t *edi) +{ + volatile ed_t *ed = edi; + + ed->state = ED_OPER; + + switch (ed->type) { + case PIPE_CONTROL: + ed->hwNextED = 0; + if (ohci->ed_controltail == NULL) { + writel (ed, &ohci->regs->ed_controlhead); + } else { + ohci->ed_controltail->hwNextED = m32_swap (ed); + } + ed->ed_prev = ohci->ed_controltail; + if (!ohci->ed_controltail && !ohci->ed_rm_list[0] && + !ohci->ed_rm_list[1] && !ohci->sleeping) { + ohci->hc_control |= OHCI_CTRL_CLE; + writel (ohci->hc_control, &ohci->regs->control); + } + ohci->ed_controltail = edi; + break; + + case PIPE_BULK: + ed->hwNextED = 0; + if (ohci->ed_bulktail == NULL) { + writel (ed, &ohci->regs->ed_bulkhead); + } else { + ohci->ed_bulktail->hwNextED = m32_swap (ed); + } + ed->ed_prev = ohci->ed_bulktail; + if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] && + !ohci->ed_rm_list[1] && !ohci->sleeping) { + ohci->hc_control |= OHCI_CTRL_BLE; + writel (ohci->hc_control, &ohci->regs->control); + } + ohci->ed_bulktail = edi; + break; + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* unlink an ed from one of the HC chains. + * just the link to the ed is unlinked. + * the link from the ed still points to another operational ed or 0 + * so the HC can eventually finish the processing of the unlinked ed */ + +static int ep_unlink (ohci_t *ohci, ed_t *ed) +{ + ed->hwINFO |= m32_swap (OHCI_ED_SKIP); + + switch (ed->type) { + case PIPE_CONTROL: + if (ed->ed_prev == NULL) { + if (!ed->hwNextED) { + ohci->hc_control &= ~OHCI_CTRL_CLE; + writel (ohci->hc_control, &ohci->regs->control); + } + writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_controlhead); + } else { + ed->ed_prev->hwNextED = ed->hwNextED; + } + if (ohci->ed_controltail == ed) { + ohci->ed_controltail = ed->ed_prev; + } else { + ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; + } + break; + + case PIPE_BULK: + if (ed->ed_prev == NULL) { + if (!ed->hwNextED) { + ohci->hc_control &= ~OHCI_CTRL_BLE; + writel (ohci->hc_control, &ohci->regs->control); + } + writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_bulkhead); + } else { + ed->ed_prev->hwNextED = ed->hwNextED; + } + if (ohci->ed_bulktail == ed) { + ohci->ed_bulktail = ed->ed_prev; + } else { + ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; + } + break; + } + ed->state = ED_UNLINK; + return 0; +} + + +/*-------------------------------------------------------------------------*/ + +/* add/reinit an endpoint; this should be done once at the usb_set_configuration command, + * but the USB stack is a little bit stateless so we do it at every transaction + * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK + * in all other cases the state is left unchanged + * the ed info fields are setted anyway even though most of them should not change */ + +static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) +{ + td_t *td; + ed_t *ed_ret; + volatile ed_t *ed; + + ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint (pipe) << 1) | + (usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))]; + + if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) { + err("ep_add_ed: pending delete"); + /* pending delete request */ + return NULL; + } + + if (ed->state == ED_NEW) { + ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */ + /* dummy td; end of td list for ed */ + td = td_alloc (usb_dev); + ed->hwTailP = m32_swap (td); + ed->hwHeadP = ed->hwTailP; + ed->state = ED_UNLINK; + ed->type = usb_pipetype (pipe); + ohci_dev.ed_cnt++; + } + + ed->hwINFO = m32_swap (usb_pipedevice (pipe) + | usb_pipeendpoint (pipe) << 7 + | (usb_pipeisoc (pipe)? 0x8000: 0) + | (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000)) + | usb_pipeslow (pipe) << 13 + | usb_maxpacket (usb_dev, pipe) << 16); + + return ed_ret; +} + +/*-------------------------------------------------------------------------* + * TD handling functions + *-------------------------------------------------------------------------*/ + +/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */ + +static void td_fill (ohci_t *ohci, unsigned int info, + void *data, int len, + struct usb_device *dev, int index, urb_priv_t *urb_priv) +{ + volatile td_t *td, *td_pt; +#ifdef OHCI_FILL_TRACE + int i; +#endif + + if (index > urb_priv->length) { + err("index > length"); + return; + } + /* use this td as the next dummy */ + td_pt = urb_priv->td [index]; + td_pt->hwNextTD = 0; + + /* fill the old dummy TD */ + td = urb_priv->td [index] = (td_t *)(m32_swap (urb_priv->ed->hwTailP) & ~0xf); + + td->ed = urb_priv->ed; + td->next_dl_td = NULL; + td->index = index; + td->data = (__u32)data; +#ifdef OHCI_FILL_TRACE + if ((usb_pipetype(urb_priv->pipe) == PIPE_BULK) && usb_pipeout(urb_priv->pipe)) { + for (i = 0; i < len; i++) + printf("td->data[%d] %#2x ",i, ((unsigned char *)td->data)[i]); + printf("\n"); + } +#endif + if (!len) + data = 0; + + td->hwINFO = m32_swap (info); + td->hwCBP = m32_swap (data); + if (data) + td->hwBE = m32_swap (data + len - 1); + else + td->hwBE = 0; + td->hwNextTD = m32_swap (td_pt); + td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); + + /* append to queue */ + td->ed->hwTailP = td->hwNextTD; +} + +/*-------------------------------------------------------------------------*/ + +/* prepare all TDs of a transfer */ + +static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, urb_priv_t *urb, int interval) +{ + ohci_t *ohci = &gohci; + int data_len = transfer_len; + void *data; + int cnt = 0; + __u32 info = 0; + unsigned int toggle = 0; + + /* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */ + if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) { + toggle = TD_T_TOGGLE; + } else { + toggle = TD_T_DATA0; + usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1); + } + urb->td_cnt = 0; + if (data_len) + data = buffer; + else + data = 0; + + switch (usb_pipetype (pipe)) { + case PIPE_BULK: + info = usb_pipeout (pipe)? + TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ; + while(data_len > 4096) { + td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, dev, cnt, urb); + data += 4096; data_len -= 4096; cnt++; + } + info = usb_pipeout (pipe)? + TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ; + td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, dev, cnt, urb); + cnt++; + + if (!ohci->sleeping) + writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */ + break; + + case PIPE_CONTROL: + info = TD_CC | TD_DP_SETUP | TD_T_DATA0; + td_fill (ohci, info, setup, 8, dev, cnt++, urb); + if (data_len > 0) { + info = usb_pipeout (pipe)? + TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1; + /* NOTE: mishandles transfers >8K, some >4K */ + td_fill (ohci, info, data, data_len, dev, cnt++, urb); + } + info = usb_pipeout (pipe)? + TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1; + td_fill (ohci, info, data, 0, dev, cnt++, urb); + if (!ohci->sleeping) + writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ + break; + } + if (urb->length != cnt) + dbg("TD LENGTH %d != CNT %d", urb->length, cnt); +} + +/*-------------------------------------------------------------------------* + * Done List handling functions + *-------------------------------------------------------------------------*/ + + +/* calculate the transfer length and update the urb */ + +static void dl_transfer_length(td_t * td) +{ + __u32 tdINFO, tdBE, tdCBP; + urb_priv_t *lurb_priv = &urb_priv; + + tdINFO = m32_swap (td->hwINFO); + tdBE = m32_swap (td->hwBE); + tdCBP = m32_swap (td->hwCBP); + + + if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL && + ((td->index == 0) || (td->index == lurb_priv->length - 1)))) { + if (tdBE != 0) { + if (td->hwCBP == 0) + lurb_priv->actual_length += tdBE - td->data + 1; + else + lurb_priv->actual_length += tdCBP - td->data; + } + } +} + +/*-------------------------------------------------------------------------*/ + +/* replies to the request have to be on a FIFO basis so + * we reverse the reversed done-list */ + +static td_t * dl_reverse_done_list (ohci_t *ohci) +{ + __u32 td_list_hc; + td_t *td_rev = NULL; + td_t *td_list = NULL; + urb_priv_t *lurb_priv = NULL; + + td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0; + ohci->hcca->done_head = 0; + + while (td_list_hc) { + td_list = (td_t *)td_list_hc; + + if (TD_CC_GET (m32_swap (td_list->hwINFO))) { + lurb_priv = &urb_priv; + dbg(" USB-error/status: %x : %p", + TD_CC_GET (m32_swap (td_list->hwINFO)), td_list); + if (td_list->ed->hwHeadP & m32_swap (0x1)) { + if (lurb_priv && ((td_list->index + 1) < lurb_priv->length)) { + td_list->ed->hwHeadP = + (lurb_priv->td[lurb_priv->length - 1]->hwNextTD & m32_swap (0xfffffff0)) | + (td_list->ed->hwHeadP & m32_swap (0x2)); + lurb_priv->td_cnt += lurb_priv->length - td_list->index - 1; + } else + td_list->ed->hwHeadP &= m32_swap (0xfffffff2); + } + } + + td_list->next_dl_td = td_rev; + td_rev = td_list; + td_list_hc = m32_swap (td_list->hwNextTD) & 0xfffffff0; + } + return td_list; +} + +/*-------------------------------------------------------------------------*/ + +/* td done list */ +static int dl_done_list (ohci_t *ohci, td_t *td_list) +{ + td_t *td_list_next = NULL; + ed_t *ed; + int cc = 0; + int stat = 0; + /* urb_t *urb; */ + urb_priv_t *lurb_priv; + __u32 tdINFO, edHeadP, edTailP; + + while (td_list) { + td_list_next = td_list->next_dl_td; + + lurb_priv = &urb_priv; + tdINFO = m32_swap (td_list->hwINFO); + + ed = td_list->ed; + + dl_transfer_length(td_list); + + /* error code of transfer */ + cc = TD_CC_GET (tdINFO); + if (cc != 0) { + dbg("ConditionCode %#x", cc); + stat = cc_to_error[cc]; + } + + if (ed->state != ED_NEW) { + edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; + edTailP = m32_swap (ed->hwTailP); + + /* unlink eds if they are not busy */ + if ((edHeadP == edTailP) && (ed->state == ED_OPER)) + ep_unlink (ohci, ed); + } + + td_list = td_list_next; + } + return stat; +} + +/*-------------------------------------------------------------------------* + * Virtual Root Hub + *-------------------------------------------------------------------------*/ + +/* Device descriptor */ +static __u8 root_hub_dev_des[] = +{ + 0x12, /* __u8 bLength; */ + 0x01, /* __u8 bDescriptorType; Device */ + 0x10, /* __u16 bcdUSB; v1.1 */ + 0x01, + 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ + 0x00, /* __u8 bDeviceSubClass; */ + 0x00, /* __u8 bDeviceProtocol; */ + 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ + 0x00, /* __u16 idVendor; */ + 0x00, + 0x00, /* __u16 idProduct; */ + 0x00, + 0x00, /* __u16 bcdDevice; */ + 0x00, + 0x00, /* __u8 iManufacturer; */ + 0x01, /* __u8 iProduct; */ + 0x00, /* __u8 iSerialNumber; */ + 0x01 /* __u8 bNumConfigurations; */ +}; + + +/* Configuration descriptor */ +static __u8 root_hub_config_des[] = +{ + 0x09, /* __u8 bLength; */ + 0x02, /* __u8 bDescriptorType; Configuration */ + 0x19, /* __u16 wTotalLength; */ + 0x00, + 0x01, /* __u8 bNumInterfaces; */ + 0x01, /* __u8 bConfigurationValue; */ + 0x00, /* __u8 iConfiguration; */ + 0x40, /* __u8 bmAttributes; + Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ + 0x00, /* __u8 MaxPower; */ + + /* interface */ + 0x09, /* __u8 if_bLength; */ + 0x04, /* __u8 if_bDescriptorType; Interface */ + 0x00, /* __u8 if_bInterfaceNumber; */ + 0x00, /* __u8 if_bAlternateSetting; */ + 0x01, /* __u8 if_bNumEndpoints; */ + 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ + 0x00, /* __u8 if_bInterfaceSubClass; */ + 0x00, /* __u8 if_bInterfaceProtocol; */ + 0x00, /* __u8 if_iInterface; */ + + /* endpoint */ + 0x07, /* __u8 ep_bLength; */ + 0x05, /* __u8 ep_bDescriptorType; Endpoint */ + 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ + 0x03, /* __u8 ep_bmAttributes; Interrupt */ + 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ + 0x00, + 0xff /* __u8 ep_bInterval; 255 ms */ +}; + +static unsigned char root_hub_str_index0[] = +{ + 0x04, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 0x09, /* __u8 lang ID */ + 0x04, /* __u8 lang ID */ +}; + +static unsigned char root_hub_str_index1[] = +{ + 28, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 'O', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'C', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'I', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'R', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 't', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'u', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'b', /* __u8 Unicode */ + 0, /* __u8 Unicode */ +}; + +/* Hub class-specific descriptor is constructed dynamically */ + + +/*-------------------------------------------------------------------------*/ + +#define OK(x) len = (x); break +#ifdef DEBUG +#define WR_RH_STAT(x) {info("WR:status %#8x", (x));writel((x), &gohci.regs->roothub.status);} +#define WR_RH_PORTSTAT(x) {info("WR:portstatus[%d] %#8x", wIndex-1, (x));writel((x), &gohci.regs->roothub.portstatus[wIndex-1]);} +#else +#define WR_RH_STAT(x) writel((x), &gohci.regs->roothub.status) +#define WR_RH_PORTSTAT(x) writel((x), &gohci.regs->roothub.portstatus[wIndex-1]) +#endif +#define RD_RH_STAT roothub_status(&gohci) +#define RD_RH_PORTSTAT roothub_portstatus(&gohci,wIndex-1) + +/* request to virtual root hub */ + +int rh_check_port_status(ohci_t *controller) +{ + __u32 temp, ndp, i; + int res; + + res = -1; + temp = roothub_a (controller); + ndp = (temp & RH_A_NDP); +#ifdef CONFIG_AT91C_PQFP_UHPBUG + ndp = (ndp == 2) ? 1:0; +#endif + + for (i = 0; i < ndp; i++) { + temp = roothub_portstatus (controller, i); + /* check for a device disconnect */ + if (((temp & (RH_PS_PESC | RH_PS_CSC)) == + (RH_PS_PESC | RH_PS_CSC)) && + ((temp & RH_PS_CCS) == 0)) { + res = i; + break; + } + } + return res; +} + +static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, + void *buffer, int transfer_len, struct devrequest *cmd) +{ + void * data = buffer; + int leni = transfer_len; + int len = 0; + int stat = 0; + __u32 datab[4]; + __u8 *data_buf = (__u8 *)datab; + __u16 bmRType_bReq; + __u16 wValue; + __u16 wIndex; + __u16 wLength; + +#ifdef DEBUG +urb_priv.actual_length = 0; +pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) { + info("Root-Hub submit IRQ: NOT implemented"); + return 0; + } + + bmRType_bReq = cmd->requesttype | (cmd->request << 8); + wValue = m16_swap (cmd->value); + wIndex = m16_swap (cmd->index); + wLength = m16_swap (cmd->length); + + info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x", + dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength); + + switch (bmRType_bReq) { + /* Request Destination: + without flags: Device, + RH_INTERFACE: interface, + RH_ENDPOINT: endpoint, + RH_CLASS means HUB here, + RH_OTHER | RH_CLASS almost ever means HUB_PORT here + */ + + case RH_GET_STATUS: + *(__u16 *) data_buf = m16_swap (1); OK (2); + case RH_GET_STATUS | RH_INTERFACE: + *(__u16 *) data_buf = m16_swap (0); OK (2); + case RH_GET_STATUS | RH_ENDPOINT: + *(__u16 *) data_buf = m16_swap (0); OK (2); + case RH_GET_STATUS | RH_CLASS: + *(__u32 *) data_buf = m32_swap ( + RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); + OK (4); + case RH_GET_STATUS | RH_OTHER | RH_CLASS: + *(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4); + + case RH_CLEAR_FEATURE | RH_ENDPOINT: + switch (wValue) { + case (RH_ENDPOINT_STALL): OK (0); + } + break; + + case RH_CLEAR_FEATURE | RH_CLASS: + switch (wValue) { + case RH_C_HUB_LOCAL_POWER: + OK(0); + case (RH_C_HUB_OVER_CURRENT): + WR_RH_STAT(RH_HS_OCIC); OK (0); + } + break; + + case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: + switch (wValue) { + case (RH_PORT_ENABLE): + WR_RH_PORTSTAT (RH_PS_CCS ); OK (0); + case (RH_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_POCI); OK (0); + case (RH_PORT_POWER): + WR_RH_PORTSTAT (RH_PS_LSDA); OK (0); + case (RH_C_PORT_CONNECTION): + WR_RH_PORTSTAT (RH_PS_CSC ); OK (0); + case (RH_C_PORT_ENABLE): + WR_RH_PORTSTAT (RH_PS_PESC); OK (0); + case (RH_C_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_PSSC); OK (0); + case (RH_C_PORT_OVER_CURRENT): + WR_RH_PORTSTAT (RH_PS_OCIC); OK (0); + case (RH_C_PORT_RESET): + WR_RH_PORTSTAT (RH_PS_PRSC); OK (0); + } + break; + + case RH_SET_FEATURE | RH_OTHER | RH_CLASS: + switch (wValue) { + case (RH_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_PSS ); OK (0); + case (RH_PORT_RESET): /* BUG IN HUP CODE *********/ + if (RD_RH_PORTSTAT & RH_PS_CCS) + WR_RH_PORTSTAT (RH_PS_PRS); + OK (0); + case (RH_PORT_POWER): + WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); + case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ + if (RD_RH_PORTSTAT & RH_PS_CCS) + WR_RH_PORTSTAT (RH_PS_PES ); + OK (0); + } + break; + + case RH_SET_ADDRESS: gohci.rh.devnum = wValue; OK(0); + + case RH_GET_DESCRIPTOR: + switch ((wValue & 0xff00) >> 8) { + case (0x01): /* device descriptor */ + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_dev_des), + wLength)); + data_buf = root_hub_dev_des; OK(len); + case (0x02): /* configuration descriptor */ + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_config_des), + wLength)); + data_buf = root_hub_config_des; OK(len); + case (0x03): /* string descriptors */ + if(wValue==0x0300) { + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_str_index0), + wLength)); + data_buf = root_hub_str_index0; + OK(len); + } + if(wValue==0x0301) { + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_str_index1), + wLength)); + data_buf = root_hub_str_index1; + OK(len); + } + default: + stat = USB_ST_STALLED; + } + break; + + case RH_GET_DESCRIPTOR | RH_CLASS: + { + __u32 temp = roothub_a (&gohci); + + data_buf [0] = 9; /* min length; */ + data_buf [1] = 0x29; + data_buf [2] = temp & RH_A_NDP; +#ifdef CONFIG_AT91C_PQFP_UHPBUG + data_buf [2] = (data_buf [2] == 2) ? 1:0; +#endif + data_buf [3] = 0; + if (temp & RH_A_PSM) /* per-port power switching? */ + data_buf [3] |= 0x1; + if (temp & RH_A_NOCP) /* no overcurrent reporting? */ + data_buf [3] |= 0x10; + else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */ + data_buf [3] |= 0x8; + + /* corresponds to data_buf[4-7] */ + datab [1] = 0; + data_buf [5] = (temp & RH_A_POTPGT) >> 24; + temp = roothub_b (&gohci); + data_buf [7] = temp & RH_B_DR; + if (data_buf [2] < 7) { + data_buf [8] = 0xff; + } else { + data_buf [0] += 2; + data_buf [8] = (temp & RH_B_DR) >> 8; + data_buf [10] = data_buf [9] = 0xff; + } + + len = min_t(unsigned int, leni, + min_t(unsigned int, data_buf [0], wLength)); + OK (len); + } + + case RH_GET_CONFIGURATION: *(__u8 *) data_buf = 0x01; OK (1); + + case RH_SET_CONFIGURATION: WR_RH_STAT (0x10000); OK (0); + + default: + dbg ("unsupported root hub command"); + stat = USB_ST_STALLED; + } + +#ifdef DEBUG + ohci_dump_roothub (&gohci, 1); +#else + wait_ms(1); +#endif + + len = min_t(int, len, leni); + if (data != data_buf) + memcpy (data, data_buf, len); + dev->act_len = len; + dev->status = stat; + +#ifdef DEBUG + if (transfer_len) + urb_priv.actual_length = transfer_len; + pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/); +#else + wait_ms(1); +#endif + + return stat; +} + +/*-------------------------------------------------------------------------*/ + +/* common code for handling submit messages - used for all but root hub */ +/* accesses. */ +int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, int interval) +{ + int stat = 0; + int maxsize = usb_maxpacket(dev, pipe); + int timeout; + + /* device pulled? Shortcut the action. */ + if (devgone == dev) { + dev->status = USB_ST_CRC_ERR; + return 0; + } + +#ifdef DEBUG + urb_priv.actual_length = 0; + pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if (!maxsize) { + err("submit_common_message: pipesize for pipe %lx is zero", + pipe); + return -1; + } + + if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) { + err("sohci_submit_job failed"); + return -1; + } + + wait_ms(10); + /* ohci_dump_status(&gohci); */ + + /* allow more time for a BULK device to react - some are slow */ +#define BULK_TO 5000 /* timeout in milliseconds */ + if (usb_pipetype (pipe) == PIPE_BULK) + timeout = BULK_TO; + else + timeout = 100; + + /* wait for it to complete */ + for (;;) { + /* check whether the controller is done */ + stat = hc_interrupt(); + if (stat < 0) { + stat = USB_ST_CRC_ERR; + break; + } + if (stat >= 0 && stat != 0xff) { + /* 0xff is returned for an SF-interrupt */ + break; + } + if (--timeout) { + wait_ms(1); + } else { + err("CTL:TIMEOUT "); + stat = USB_ST_CRC_ERR; + break; + } + } + /* we got an Root Hub Status Change interrupt */ + if (got_rhsc) { +#ifdef DEBUG + ohci_dump_roothub (&gohci, 1); +#endif + got_rhsc = 0; + /* abuse timeout */ + timeout = rh_check_port_status(&gohci); + if (timeout >= 0) { +#if 0 /* this does nothing useful, but leave it here in case that changes */ + /* the called routine adds 1 to the passed value */ + usb_hub_port_connect_change(gohci.rh.dev, timeout - 1); +#endif + /* + * XXX + * This is potentially dangerous because it assumes + * that only one device is ever plugged in! + */ + devgone = dev; + } + } + + dev->status = stat; + dev->act_len = transfer_len; + +#ifdef DEBUG + pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + + /* free TDs in urb_priv */ + urb_free_priv (&urb_priv); + return 0; +} + +/* submit routines called from usb.c */ +int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len) +{ + info("submit_bulk_msg"); + return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, 0); +} + +int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup) +{ + int maxsize = usb_maxpacket(dev, pipe); + + info("submit_control_msg"); +#ifdef DEBUG + urb_priv.actual_length = 0; + pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if (!maxsize) { + err("submit_control_message: pipesize for pipe %lx is zero", + pipe); + return -1; + } + if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) { + gohci.rh.dev = dev; + /* root hub - redirect */ + return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len, + setup); + } + + return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0); +} + +int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, int interval) +{ + info("submit_int_msg"); + return -1; +} + +/*-------------------------------------------------------------------------* + * HC functions + *-------------------------------------------------------------------------*/ + +/* reset the HC and BUS */ + +static int hc_reset (ohci_t *ohci) +{ + int timeout = 30; + int smm_timeout = 50; /* 0,5 sec */ + + dbg("%s\n", __FUNCTION__); + + if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */ + writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */ + info("USB HC TakeOver from SMM"); + while (readl (&ohci->regs->control) & OHCI_CTRL_IR) { + wait_ms (10); + if (--smm_timeout == 0) { + err("USB HC TakeOver failed!"); + return -1; + } + } + } + + /* Disable HC interrupts */ + writel (OHCI_INTR_MIE, &ohci->regs->intrdisable); + + dbg("USB HC reset_hc usb-%s: ctrl = 0x%X ;\n", + ohci->slot_name, + readl(&ohci->regs->control)); + + /* Reset USB (needed by some controllers) */ + writel (0, &ohci->regs->control); + + /* HC Reset requires max 10 us delay */ + writel (OHCI_HCR, &ohci->regs->cmdstatus); + while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) { + if (--timeout == 0) { + err("USB HC reset timed out!"); + return -1; + } + udelay (1); + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* Start an OHCI controller, set the BUS operational + * enable interrupts + * connect the virtual root hub */ + +static int hc_start (ohci_t * ohci) +{ + __u32 mask; + unsigned int fminterval; + + ohci->disabled = 1; + + /* Tell the controller where the control and bulk lists are + * The lists are empty now. */ + + writel (0, &ohci->regs->ed_controlhead); + writel (0, &ohci->regs->ed_bulkhead); + + writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */ + + fminterval = 0x2edf; + writel ((fminterval * 9) / 10, &ohci->regs->periodicstart); + fminterval |= ((((fminterval - 210) * 6) / 7) << 16); + writel (fminterval, &ohci->regs->fminterval); + writel (0x628, &ohci->regs->lsthresh); + + /* start controller operations */ + ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; + ohci->disabled = 0; + writel (ohci->hc_control, &ohci->regs->control); + + /* disable all interrupts */ + mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD | + OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC | + OHCI_INTR_OC | OHCI_INTR_MIE); + writel (mask, &ohci->regs->intrdisable); + /* clear all interrupts */ + mask &= ~OHCI_INTR_MIE; + writel (mask, &ohci->regs->intrstatus); + /* Choose the interrupts we care about now - but w/o MIE */ + mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO; + writel (mask, &ohci->regs->intrenable); + +#ifdef OHCI_USE_NPS + /* required for AMD-756 and some Mac platforms */ + writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM, + &ohci->regs->roothub.a); + writel (RH_HS_LPSC, &ohci->regs->roothub.status); +#endif /* OHCI_USE_NPS */ + +#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);}) + /* POTPGT delay is bits 24-31, in 2 ms units. */ + mdelay ((roothub_a (ohci) >> 23) & 0x1fe); + + /* connect the virtual root hub */ + ohci->rh.devnum = 0; + + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* an interrupt happens */ + +static int +hc_interrupt (void) +{ + ohci_t *ohci = &gohci; + struct ohci_regs *regs = ohci->regs; + int ints; + int stat = -1; + + if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { + ints = OHCI_INTR_WDH; + } else { + ints = readl (®s->intrstatus); + } + + /* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */ + + if (ints & OHCI_INTR_RHSC) { + got_rhsc = 1; + } + + if (ints & OHCI_INTR_UE) { + ohci->disabled++; + err ("OHCI Unrecoverable Error, controller usb-%s disabled", + ohci->slot_name); + /* e.g. due to PCI Master/Target Abort */ + +#ifdef DEBUG + ohci_dump (ohci, 1); +#else + wait_ms(1); +#endif + /* FIXME: be optimistic, hope that bug won't repeat often. */ + /* Make some non-interrupt context restart the controller. */ + /* Count and limit the retries though; either hardware or */ + /* software errors can go forever... */ + hc_reset (ohci); + return -1; + } + + if (ints & OHCI_INTR_WDH) { + wait_ms(1); + writel (OHCI_INTR_WDH, ®s->intrdisable); + stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci)); + writel (OHCI_INTR_WDH, ®s->intrenable); + } + + if (ints & OHCI_INTR_SO) { + dbg("USB Schedule overrun\n"); + writel (OHCI_INTR_SO, ®s->intrenable); + stat = -1; + } + + /* FIXME: this assumes SOF (1/ms) interrupts don't get lost... */ + if (ints & OHCI_INTR_SF) { + unsigned int frame = m16_swap (ohci->hcca->frame_no) & 1; + wait_ms(1); + writel (OHCI_INTR_SF, ®s->intrdisable); + if (ohci->ed_rm_list[frame] != NULL) + writel (OHCI_INTR_SF, ®s->intrenable); + stat = 0xff; + } + + writel (ints, ®s->intrstatus); + return stat; +} + +/*-------------------------------------------------------------------------*/ + +/*-------------------------------------------------------------------------*/ + +/* De-allocate all resources.. */ + +static void hc_release_ohci (ohci_t *ohci) +{ + dbg ("USB HC release ohci usb-%s", ohci->slot_name); + + if (!ohci->disabled) + hc_reset (ohci); +} + +/*-------------------------------------------------------------------------*/ + +/* + * low level initalisation routine, called from usb.c + */ +static char ohci_inited = 0; + +int usb_lowlevel_init(void) +{ + /* + * Enable USB host clock. + */ + *AT91C_PMC_SCER = AT91C_PMC_UHP; /* 48MHz clock enabled for UHP */ + *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; /* Peripheral Clock Enable Register */ + + memset (&gohci, 0, sizeof (ohci_t)); + memset (&urb_priv, 0, sizeof (urb_priv_t)); + + /* align the storage */ + if ((__u32)&ghcca[0] & 0xff) { + err("HCCA not aligned!!"); + return -1; + } + phcca = &ghcca[0]; + info("aligned ghcca %p", phcca); + memset(&ohci_dev, 0, sizeof(struct ohci_device)); + if ((__u32)&ohci_dev.ed[0] & 0x7) { + err("EDs not aligned!!"); + return -1; + } + memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1)); + if ((__u32)gtd & 0x7) { + err("TDs not aligned!!"); + return -1; + } + ptd = gtd; + gohci.hcca = phcca; + memset (phcca, 0, sizeof (struct ohci_hcca)); + + gohci.disabled = 1; + gohci.sleeping = 0; + gohci.irq = -1; + gohci.regs = (struct ohci_regs *)AT91_USB_HOST_BASE; + + gohci.flags = 0; + gohci.slot_name = "at91rm9200"; + + if (hc_reset (&gohci) < 0) { + hc_release_ohci (&gohci); + /* Initialization failed */ + *AT91C_PMC_PCER = AT91C_ID_UHP; + *AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ + return -1; + } + + /* FIXME this is a second HC reset; why?? */ +/* writel (gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control); + wait_ms (10);*/ + + if (hc_start (&gohci) < 0) { + err ("can't start usb-%s", gohci.slot_name); + hc_release_ohci (&gohci); + /* Initialization failed */ + *AT91C_PMC_PCER = AT91C_ID_UHP; + *AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ + return -1; + } + +#ifdef DEBUG + ohci_dump (&gohci, 1); +#else + wait_ms(1); +#endif + ohci_inited = 1; + return 0; +} + +int usb_lowlevel_stop(void) +{ + /* this gets called really early - before the controller has */ + /* even been initialized! */ + if (!ohci_inited) + return 0; + /* TODO release any interrupts, etc. */ + /* call hc_release_ohci() here ? */ + hc_reset (&gohci); + /* may not want to do this */ + *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; + *AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ + return 0; +} + +#endif /* CONFIG_USB_OHCI */ diff --git a/cpu/arm920t/at91rm9200/usb_ohci.h b/cpu/arm920t/at91rm9200/usb_ohci.h new file mode 100644 index 0000000..ecb4e93 --- /dev/null +++ b/cpu/arm920t/at91rm9200/usb_ohci.h @@ -0,0 +1,419 @@ +/* + * URB OHCI HCD (Host Controller Driver) for USB. + * + * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> + * (C) Copyright 2000-2001 David Brownell <dbrownell@users.sourceforge.net> + * + * usb-ohci.h + */ + + +static int cc_to_error[16] = { + +/* mapping of the OHCI CC status to error codes */ + /* No Error */ 0, + /* CRC Error */ USB_ST_CRC_ERR, + /* Bit Stuff */ USB_ST_BIT_ERR, + /* Data Togg */ USB_ST_CRC_ERR, + /* Stall */ USB_ST_STALLED, + /* DevNotResp */ -1, + /* PIDCheck */ USB_ST_BIT_ERR, + /* UnExpPID */ USB_ST_BIT_ERR, + /* DataOver */ USB_ST_BUF_ERR, + /* DataUnder */ USB_ST_BUF_ERR, + /* reservd */ -1, + /* reservd */ -1, + /* BufferOver */ USB_ST_BUF_ERR, + /* BuffUnder */ USB_ST_BUF_ERR, + /* Not Access */ -1, + /* Not Access */ -1 +}; + +/* ED States */ + +#define ED_NEW 0x00 +#define ED_UNLINK 0x01 +#define ED_OPER 0x02 +#define ED_DEL 0x04 +#define ED_URB_DEL 0x08 + +/* usb_ohci_ed */ +struct ed { + __u32 hwINFO; + __u32 hwTailP; + __u32 hwHeadP; + __u32 hwNextED; + + struct ed *ed_prev; + __u8 int_period; + __u8 int_branch; + __u8 int_load; + __u8 int_interval; + __u8 state; + __u8 type; + __u16 last_iso; + struct ed *ed_rm_list; + + struct usb_device *usb_dev; + __u32 unused[3]; +} __attribute((aligned(16))); +typedef struct ed ed_t; + + +/* TD info field */ +#define TD_CC 0xf0000000 +#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f) +#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28) +#define TD_EC 0x0C000000 +#define TD_T 0x03000000 +#define TD_T_DATA0 0x02000000 +#define TD_T_DATA1 0x03000000 +#define TD_T_TOGGLE 0x00000000 +#define TD_R 0x00040000 +#define TD_DI 0x00E00000 +#define TD_DI_SET(X) (((X) & 0x07)<< 21) +#define TD_DP 0x00180000 +#define TD_DP_SETUP 0x00000000 +#define TD_DP_IN 0x00100000 +#define TD_DP_OUT 0x00080000 + +#define TD_ISO 0x00010000 +#define TD_DEL 0x00020000 + +/* CC Codes */ +#define TD_CC_NOERROR 0x00 +#define TD_CC_CRC 0x01 +#define TD_CC_BITSTUFFING 0x02 +#define TD_CC_DATATOGGLEM 0x03 +#define TD_CC_STALL 0x04 +#define TD_DEVNOTRESP 0x05 +#define TD_PIDCHECKFAIL 0x06 +#define TD_UNEXPECTEDPID 0x07 +#define TD_DATAOVERRUN 0x08 +#define TD_DATAUNDERRUN 0x09 +#define TD_BUFFEROVERRUN 0x0C +#define TD_BUFFERUNDERRUN 0x0D +#define TD_NOTACCESSED 0x0F + + +#define MAXPSW 1 + +struct td { + __u32 hwINFO; + __u32 hwCBP; /* Current Buffer Pointer */ + __u32 hwNextTD; /* Next TD Pointer */ + __u32 hwBE; /* Memory Buffer End Pointer */ + + __u16 hwPSW[MAXPSW]; + __u8 unused; + __u8 index; + struct ed *ed; + struct td *next_dl_td; + struct usb_device *usb_dev; + int transfer_len; + __u32 data; + + __u32 unused2[2]; +} __attribute((aligned(32))); +typedef struct td td_t; + +#define OHCI_ED_SKIP (1 << 14) + +/* + * The HCCA (Host Controller Communications Area) is a 256 byte + * structure defined in the OHCI spec. that the host controller is + * told the base address of. It must be 256-byte aligned. + */ + +#define NUM_INTS 32 /* part of the OHCI standard */ +struct ohci_hcca { + __u32 int_table[NUM_INTS]; /* Interrupt ED table */ + __u16 frame_no; /* current frame number */ + __u16 pad1; /* set to 0 on each frame_no change */ + __u32 done_head; /* info returned for an interrupt */ + u8 reserved_for_hc[116]; +} __attribute((aligned(256))); + + +/* + * Maximum number of root hub ports. + */ +#define MAX_ROOT_PORTS 15 /* maximum OHCI root hub ports */ + +/* + * This is the structure of the OHCI controller's memory mapped I/O + * region. This is Memory Mapped I/O. You must use the readl() and + * writel() macros defined in asm/io.h to access these!! + */ +struct ohci_regs { + /* control and status registers */ + __u32 revision; + __u32 control; + __u32 cmdstatus; + __u32 intrstatus; + __u32 intrenable; + __u32 intrdisable; + /* memory pointers */ + __u32 hcca; + __u32 ed_periodcurrent; + __u32 ed_controlhead; + __u32 ed_controlcurrent; + __u32 ed_bulkhead; + __u32 ed_bulkcurrent; + __u32 donehead; + /* frame counters */ + __u32 fminterval; + __u32 fmremaining; + __u32 fmnumber; + __u32 periodicstart; + __u32 lsthresh; + /* Root hub ports */ + struct ohci_roothub_regs { + __u32 a; + __u32 b; + __u32 status; + __u32 portstatus[MAX_ROOT_PORTS]; + } roothub; +} __attribute((aligned(32))); + + +/* OHCI CONTROL AND STATUS REGISTER MASKS */ + +/* + * HcControl (control) register masks + */ +#define OHCI_CTRL_CBSR (3 << 0) /* control/bulk service ratio */ +#define OHCI_CTRL_PLE (1 << 2) /* periodic list enable */ +#define OHCI_CTRL_IE (1 << 3) /* isochronous enable */ +#define OHCI_CTRL_CLE (1 << 4) /* control list enable */ +#define OHCI_CTRL_BLE (1 << 5) /* bulk list enable */ +#define OHCI_CTRL_HCFS (3 << 6) /* host controller functional state */ +#define OHCI_CTRL_IR (1 << 8) /* interrupt routing */ +#define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ +#define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */ + +/* pre-shifted values for HCFS */ +# define OHCI_USB_RESET (0 << 6) +# define OHCI_USB_RESUME (1 << 6) +# define OHCI_USB_OPER (2 << 6) +# define OHCI_USB_SUSPEND (3 << 6) + +/* + * HcCommandStatus (cmdstatus) register masks + */ +#define OHCI_HCR (1 << 0) /* host controller reset */ +#define OHCI_CLF (1 << 1) /* control list filled */ +#define OHCI_BLF (1 << 2) /* bulk list filled */ +#define OHCI_OCR (1 << 3) /* ownership change request */ +#define OHCI_SOC (3 << 16) /* scheduling overrun count */ + +/* + * masks used with interrupt registers: + * HcInterruptStatus (intrstatus) + * HcInterruptEnable (intrenable) + * HcInterruptDisable (intrdisable) + */ +#define OHCI_INTR_SO (1 << 0) /* scheduling overrun */ +#define OHCI_INTR_WDH (1 << 1) /* writeback of done_head */ +#define OHCI_INTR_SF (1 << 2) /* start frame */ +#define OHCI_INTR_RD (1 << 3) /* resume detect */ +#define OHCI_INTR_UE (1 << 4) /* unrecoverable error */ +#define OHCI_INTR_FNO (1 << 5) /* frame number overflow */ +#define OHCI_INTR_RHSC (1 << 6) /* root hub status change */ +#define OHCI_INTR_OC (1 << 30) /* ownership change */ +#define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */ + + +/* Virtual Root HUB */ +struct virt_root_hub { + int devnum; /* Address of Root Hub endpoint */ + void *dev; /* was urb */ + void *int_addr; + int send; + int interval; +}; + +/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */ + +/* destination of request */ +#define RH_INTERFACE 0x01 +#define RH_ENDPOINT 0x02 +#define RH_OTHER 0x03 + +#define RH_CLASS 0x20 +#define RH_VENDOR 0x40 + +/* Requests: bRequest << 8 | bmRequestType */ +#define RH_GET_STATUS 0x0080 +#define RH_CLEAR_FEATURE 0x0100 +#define RH_SET_FEATURE 0x0300 +#define RH_SET_ADDRESS 0x0500 +#define RH_GET_DESCRIPTOR 0x0680 +#define RH_SET_DESCRIPTOR 0x0700 +#define RH_GET_CONFIGURATION 0x0880 +#define RH_SET_CONFIGURATION 0x0900 +#define RH_GET_STATE 0x0280 +#define RH_GET_INTERFACE 0x0A80 +#define RH_SET_INTERFACE 0x0B00 +#define RH_SYNC_FRAME 0x0C80 +/* Our Vendor Specific Request */ +#define RH_SET_EP 0x2000 + + +/* Hub port features */ +#define RH_PORT_CONNECTION 0x00 +#define RH_PORT_ENABLE 0x01 +#define RH_PORT_SUSPEND 0x02 +#define RH_PORT_OVER_CURRENT 0x03 +#define RH_PORT_RESET 0x04 +#define RH_PORT_POWER 0x08 +#define RH_PORT_LOW_SPEED 0x09 + +#define RH_C_PORT_CONNECTION 0x10 +#define RH_C_PORT_ENABLE 0x11 +#define RH_C_PORT_SUSPEND 0x12 +#define RH_C_PORT_OVER_CURRENT 0x13 +#define RH_C_PORT_RESET 0x14 + +/* Hub features */ +#define RH_C_HUB_LOCAL_POWER 0x00 +#define RH_C_HUB_OVER_CURRENT 0x01 + +#define RH_DEVICE_REMOTE_WAKEUP 0x00 +#define RH_ENDPOINT_STALL 0x01 + +#define RH_ACK 0x01 +#define RH_REQ_ERR -1 +#define RH_NACK 0x00 + + +/* OHCI ROOT HUB REGISTER MASKS */ + +/* roothub.portstatus [i] bits */ +#define RH_PS_CCS 0x00000001 /* current connect status */ +#define RH_PS_PES 0x00000002 /* port enable status*/ +#define RH_PS_PSS 0x00000004 /* port suspend status */ +#define RH_PS_POCI 0x00000008 /* port over current indicator */ +#define RH_PS_PRS 0x00000010 /* port reset status */ +#define RH_PS_PPS 0x00000100 /* port power status */ +#define RH_PS_LSDA 0x00000200 /* low speed device attached */ +#define RH_PS_CSC 0x00010000 /* connect status change */ +#define RH_PS_PESC 0x00020000 /* port enable status change */ +#define RH_PS_PSSC 0x00040000 /* port suspend status change */ +#define RH_PS_OCIC 0x00080000 /* over current indicator change */ +#define RH_PS_PRSC 0x00100000 /* port reset status change */ + +/* roothub.status bits */ +#define RH_HS_LPS 0x00000001 /* local power status */ +#define RH_HS_OCI 0x00000002 /* over current indicator */ +#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ +#define RH_HS_LPSC 0x00010000 /* local power status change */ +#define RH_HS_OCIC 0x00020000 /* over current indicator change */ +#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ + +/* roothub.b masks */ +#define RH_B_DR 0x0000ffff /* device removable flags */ +#define RH_B_PPCM 0xffff0000 /* port power control mask */ + +/* roothub.a masks */ +#define RH_A_NDP (0xff << 0) /* number of downstream ports */ +#define RH_A_PSM (1 << 8) /* power switching mode */ +#define RH_A_NPS (1 << 9) /* no power switching */ +#define RH_A_DT (1 << 10) /* device type (mbz) */ +#define RH_A_OCPM (1 << 11) /* over current protection mode */ +#define RH_A_NOCP (1 << 12) /* no over current protection */ +#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ + +/* urb */ +#define N_URB_TD 48 +typedef struct +{ + ed_t *ed; + __u16 length; /* number of tds associated with this request */ + __u16 td_cnt; /* number of tds already serviced */ + int state; + unsigned long pipe; + int actual_length; + td_t *td[N_URB_TD]; /* list pointer to all corresponding TDs associated with this request */ +} urb_priv_t; +#define URB_DEL 1 + +/* + * This is the full ohci controller description + * + * Note how the "proper" USB information is just + * a subset of what the full implementation needs. (Linus) + */ + + +typedef struct ohci { + struct ohci_hcca *hcca; /* hcca */ + /*dma_addr_t hcca_dma;*/ + + int irq; + int disabled; /* e.g. got a UE, we're hung */ + int sleeping; + unsigned long flags; /* for HC bugs */ + + struct ohci_regs *regs; /* OHCI controller's memory */ + + ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */ + ed_t *ed_bulktail; /* last endpoint of bulk list */ + ed_t *ed_controltail; /* last endpoint of control list */ + int intrstatus; + __u32 hc_control; /* copy of the hc control reg */ + struct usb_device *dev[32]; + struct virt_root_hub rh; + + const char *slot_name; +} ohci_t; + +#define NUM_EDS 8 /* num of preallocated endpoint descriptors */ + +struct ohci_device { + ed_t ed[NUM_EDS]; + int ed_cnt; +}; + +/* hcd */ +/* endpoint */ +static int ep_link(ohci_t * ohci, ed_t * ed); +static int ep_unlink(ohci_t * ohci, ed_t * ed); +static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe); + +/*-------------------------------------------------------------------------*/ + +/* we need more TDs than EDs */ +#define NUM_TD 64 + +/* +1 so we can align the storage */ +td_t gtd[NUM_TD+1]; +/* pointers to aligned storage */ +td_t *ptd; + +/* TDs ... */ +static inline struct td * +td_alloc (struct usb_device *usb_dev) +{ + int i; + struct td *td; + + td = NULL; + for (i = 0; i < NUM_TD; i++) + { + if (ptd[i].usb_dev == NULL) + { + td = &ptd[i]; + td->usb_dev = usb_dev; + break; + } + } + + return td; +} + +static inline void +ed_free (struct ed *ed) +{ + ed->usb_dev = NULL; +} diff --git a/cpu/arm920t/config.mk b/cpu/arm920t/config.mk index cef7d26..8db4adb 100644 --- a/cpu/arm920t/config.mk +++ b/cpu/arm920t/config.mk @@ -22,6 +22,13 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 +PLATFORM_CPPFLAGS += -march=armv4 +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/arm920t/cpu.c b/cpu/arm920t/cpu.c index 718f253..2f7963d 100644 --- a/cpu/arm920t/cpu.c +++ b/cpu/arm920t/cpu.c @@ -39,7 +39,7 @@ static unsigned long read_p15_c1 (void) unsigned long value; __asm__ __volatile__( - "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" + "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" : "=r" (value) : : "memory"); @@ -57,7 +57,7 @@ static void write_p15_c1 (unsigned long value) printf ("write %08lx to p15/c1\n", value); #endif __asm__ __volatile__( - "mcr p15, 0, %0, c1, c0, 0 @ write it back\n" + "mcr p15, 0, %0, c1, c0, 0 @ write it back\n" : : "r" (value) : "memory"); @@ -73,16 +73,17 @@ static void cp_delay (void) for (i = 0; i < 100; i++); } -/* See also ARM Ref. Man. */ +/* See also ARM920T Technical reference Manual */ #define C1_MMU (1<<0) /* mmu off/on */ #define C1_ALIGN (1<<1) /* alignment faults off/on */ #define C1_DC (1<<2) /* dcache off/on */ -#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */ + +#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */ #define C1_SYS_PROT (1<<8) /* system protection */ #define C1_ROM_PROT (1<<9) /* ROM protection */ #define C1_IC (1<<12) /* icache off/on */ -#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */ -#define RESERVED_1 (0xf << 3) /* must be 111b for R/W */ +#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */ + int cpu_init (void) { @@ -119,6 +120,7 @@ int cleanup_before_linux (void) /* flush I/D-cache */ i = 0; asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i)); + return (0); } @@ -134,7 +136,7 @@ void icache_enable (void) { ulong reg; - reg = read_p15_c1 (); + reg = read_p15_c1 (); /* get control reg. */ cp_delay (); write_p15_c1 (reg | C1_IC); } diff --git a/cpu/arm920t/interrupts.c b/cpu/arm920t/interrupts.c index bfab519..a43a3ed 100644 --- a/cpu/arm920t/interrupts.c +++ b/cpu/arm920t/interrupts.c @@ -30,7 +30,6 @@ */ #include <common.h> - #include <arm920t.h> #include <asm/proc-armv/ptrace.h> @@ -162,7 +161,14 @@ void do_fiq (struct pt_regs *pt_regs) void do_irq (struct pt_regs *pt_regs) { +#if defined (CONFIG_USE_IRQ) && defined (CONFIG_ARCH_INTEGRATOR) + /* ASSUMED to be a timer interrupt */ + /* Just clear it - count handled in */ + /* integratorap.c */ + *(volatile ulong *)(CFG_TIMERBASE + 0x0C) = 0; +#else printf ("interrupt request\n"); show_regs (pt_regs); bad_mode (); +#endif } diff --git a/cpu/arm920t/ks8695/Makefile b/cpu/arm920t/ks8695/Makefile index ada7174..ac49060 100644 --- a/cpu/arm920t/ks8695/Makefile +++ b/cpu/arm920t/ks8695/Makefile @@ -35,8 +35,8 @@ $(LIB): $(OBJS) $(SOBJS) ######################################################################### -.depend: Makefile $(OBJS:.o=.c) - $(CC) -M $(CFLAGS) $(OBJS:.o=.c) > $@ +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ sinclude .depend diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S index 74a97d5..4603cf5 100644 --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -255,7 +255,6 @@ cpu_init_crit: orr r0, r0, #0x00001000 @ set bit 12 (I) I-Cache mcr p15, 0, r0, c1, c0, 0 - /* * before relocating, we have to setup RAM timing * because memory timing is board-dependend, you will @@ -264,7 +263,6 @@ cpu_init_crit: mov ip, lr bl lowlevel_init mov lr, ip - mov pc, lr diff --git a/cpu/arm925t/config.mk b/cpu/arm925t/config.mk index 960df4c..8db4adb 100644 --- a/cpu/arm925t/config.mk +++ b/cpu/arm925t/config.mk @@ -24,4 +24,11 @@ PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 +PLATFORM_CPPFLAGS += -march=armv4 +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/arm925t/start.S b/cpu/arm925t/start.S index 2389259..acd7742 100644 --- a/cpu/arm925t/start.S +++ b/cpu/arm925t/start.S @@ -246,7 +246,7 @@ cpu_init_crit: * Go setup Memory and board specific bits prior to relocation. */ mov ip, lr /* perserve link reg across call */ - bl platformsetup /* go setup pll,mux,memory */ + bl lowlevel_init /* go setup pll,mux,memory */ mov lr, ip /* restore link */ mov pc, lr /* back to my caller */ /* diff --git a/cpu/arm926ejs/config.mk b/cpu/arm926ejs/config.mk index cef7d26..8db4adb 100644 --- a/cpu/arm926ejs/config.mk +++ b/cpu/arm926ejs/config.mk @@ -22,6 +22,13 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 +PLATFORM_CPPFLAGS += -march=armv4 +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/arm926ejs/cpu.c b/cpu/arm926ejs/cpu.c index 2681f99..f57c5a5 100644 --- a/cpu/arm926ejs/cpu.c +++ b/cpu/arm926ejs/cpu.c @@ -69,21 +69,21 @@ static void cp_delay (void) { volatile int i; - /* Many OMAP regs need at least 2 nops */ + /* copro seems to need some delay between reading and writing */ for (i = 0; i < 100; i++); } -/* See also ARM Ref. Man. */ +/* See also ARM926EJ-S Technical Reference Manual */ #define C1_MMU (1<<0) /* mmu off/on */ #define C1_ALIGN (1<<1) /* alignment faults off/on */ #define C1_DC (1<<2) /* dcache off/on */ -#define C1_WB (1<<3) /* merging write buffer on/off */ -#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */ + +#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */ #define C1_SYS_PROT (1<<8) /* system protection */ #define C1_ROM_PROT (1<<9) /* ROM protection */ #define C1_IC (1<<12) /* icache off/on */ -#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */ -#define RESERVED_1 (0xf << 3) /* must be 111b for R/W */ +#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */ + int cpu_init (void) { @@ -120,6 +120,7 @@ int cleanup_before_linux (void) /* flush I/D-cache */ i = 0; asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i)); + return (0); } diff --git a/cpu/arm926ejs/interrupts.c b/cpu/arm926ejs/interrupts.c index ae8082d..0457bff 100644 --- a/cpu/arm926ejs/interrupts.c +++ b/cpu/arm926ejs/interrupts.c @@ -36,8 +36,7 @@ */ #include <common.h> -#include <arm925t.h> - +#include <arm926ejs.h> #include <asm/proc-armv/ptrace.h> #define TIMER_LOAD_VAL 0xffffffff @@ -46,9 +45,6 @@ #ifdef CONFIG_OMAP #define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+8)) #endif -#ifdef CONFIG_INTEGRATOR -#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+4)) -#endif #ifdef CONFIG_VERSATILE #define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+4)) #endif @@ -186,6 +182,12 @@ void do_irq (struct pt_regs *pt_regs) bad_mode (); } +#ifdef CONFIG_INTEGRATOR + + /* Timer functionality supplied by Integrator board (AP or CP) */ + +#else + static ulong timestamp; static ulong lastdec; @@ -200,12 +202,7 @@ int interrupt_init (void) val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CFG_PVT << MPUTIM_PTV_BIT); *((int32_t *) (CFG_TIMERBASE + CNTL_TIMER)) = val; #endif /* CONFIG_OMAP */ -#ifdef CONFIG_INTEGRATOR - /* Load timer with initial value */ - *(volatile ulong *)(CFG_TIMERBASE + 0) = TIMER_LOAD_VAL; - /* Set timer to be enabled, free-running, no interrupts, 256 divider */ - *(volatile ulong *)(CFG_TIMERBASE + 8) = 0x8C; -#endif /* CONFIG_INTEGRATOR */ + #ifdef CONFIG_VERSATILE *(volatile ulong *)(CFG_TIMERBASE + 0) = CFG_TIMER_RELOAD; /* TimerLoad */ *(volatile ulong *)(CFG_TIMERBASE + 4) = CFG_TIMER_RELOAD; /* TimerValue */ @@ -332,3 +329,5 @@ ulong get_tbclk (void) tbclk = CFG_HZ; return tbclk; } + +#endif /* CONFIG_INTEGRATOR */ diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S index d62940b..fc6b20b 100644 --- a/cpu/arm926ejs/start.S +++ b/cpu/arm926ejs/start.S @@ -222,7 +222,7 @@ cpu_init_crit: * Go setup Memory and board specific bits prior to relocation. */ mov ip, lr /* perserve link reg across call */ - bl platformsetup /* go setup pll,mux,memory */ + bl lowlevel_init /* go setup pll,mux,memory */ mov lr, ip /* restore link */ mov pc, lr /* back to my caller */ /* @@ -393,6 +393,12 @@ fiq: #endif +# ifdef CONFIG_INTEGRATOR + + /* Satisfied by Integrator routine (AP or CP) */ + +#else + .align 5 .globl reset_cpu reset_cpu: @@ -404,6 +410,7 @@ reset_cpu: _loop_forever: b _loop_forever - rstctl1: .word 0xfffece10 + +#endif /* #ifdef CONFIG_INTEGRATOR */ diff --git a/cpu/arm946es/Makefile b/cpu/arm946es/Makefile new file mode 100644 index 0000000..203278e --- /dev/null +++ b/cpu/arm946es/Makefile @@ -0,0 +1,43 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(CPU).a + +START = start.o +OBJS = interrupts.o cpu.o + +all: .depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/arm946es/config.mk b/cpu/arm946es/config.mk new file mode 100644 index 0000000..81ca288 --- /dev/null +++ b/cpu/arm946es/config.mk @@ -0,0 +1,27 @@ +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, <gj@denx.de> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ + -msoft-float + +PLATFORM_CPPFLAGS += -march=armv4 diff --git a/cpu/arm946es/cpu.c b/cpu/arm946es/cpu.c new file mode 100644 index 0000000..ba0a4e4 --- /dev/null +++ b/cpu/arm946es/cpu.c @@ -0,0 +1,163 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * CPU specific code + */ + +#include <common.h> +#include <command.h> +#include <arm946es.h> + +/* read co-processor 15, register #1 (control register) */ +static unsigned long read_p15_c1 (void) +{ + unsigned long value; + + __asm__ __volatile__( + "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" + : "=r" (value) + : + : "memory"); + +#ifdef MMU_DEBUG + printf ("p15/c1 is = %08lx\n", value); +#endif + return value; +} + +/* write to co-processor 15, register #1 (control register) */ +static void write_p15_c1 (unsigned long value) +{ +#ifdef MMU_DEBUG + printf ("write %08lx to p15/c1\n", value); +#endif + __asm__ __volatile__( + "mcr p15, 0, %0, c1, c0, 0 @ write it back\n" + : + : "r" (value) + : "memory"); + + read_p15_c1 (); +} + +static void cp_delay (void) +{ + volatile int i; + + /* copro seems to need some delay between reading and writing */ + for (i = 0; i < 100; i++); +} + +/* See also ARM946E-S Technical Reference Manual */ +#define C1_MMU (1<<0) /* mmu off/on */ +#define C1_ALIGN (1<<1) /* alignment faults off/on */ +#define C1_DC (1<<2) /* dcache off/on */ + +#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */ +#define C1_SYS_PROT (1<<8) /* system protection */ +#define C1_ROM_PROT (1<<9) /* ROM protection */ +#define C1_IC (1<<12) /* icache off/on */ +#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */ + + +int cpu_init (void) +{ + /* + * setup up stacks if necessary + */ +#ifdef CONFIG_USE_IRQ + DECLARE_GLOBAL_DATA_PTR; + + IRQ_STACK_START = _armboot_start - CFG_MALLOC_LEN - CFG_GBL_DATA_SIZE - 4; + FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; +#endif + return 0; +} + +int cleanup_before_linux (void) +{ + /* + * this function is called just before we call linux + * it prepares the processor for linux + * + * we turn off caches etc ... + */ + + unsigned long i; + + disable_interrupts (); + + /* ARM926E-S needs the protection unit enabled for the icache to have + * been enabled - left for possible later use + * should turn off the protection unit as well.... + */ + /* turn off I/D-cache */ + asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i)); + i &= ~(C1_DC | C1_IC); + asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i)); + + /* flush I/D-cache */ + i = 0; + asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i)); + asm ("mcr p15, 0, %0, c7, c6, 0": :"r" (i)); + return (0); +} + +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + extern void reset_cpu (ulong addr); + + disable_interrupts (); + reset_cpu (0); + /*NOTREACHED*/ + return (0); +} +/* ARM926E-S needs the protection unit enabled for this to have any effect + - left for possible later use */ +void icache_enable (void) +{ + ulong reg; + + reg = read_p15_c1 (); /* get control reg. */ + cp_delay (); + write_p15_c1 (reg | C1_IC); +} + +void icache_disable (void) +{ + ulong reg; + + reg = read_p15_c1 (); + cp_delay (); + write_p15_c1 (reg & ~C1_IC); +} + +int icache_status (void) +{ + return (read_p15_c1 () & C1_IC) != 0; +} diff --git a/cpu/arm946es/interrupts.c b/cpu/arm946es/interrupts.c new file mode 100644 index 0000000..5728c3a --- /dev/null +++ b/cpu/arm946es/interrupts.c @@ -0,0 +1,292 @@ +/* + * (C) Copyright 2003 + * Texas Instruments <www.ti.com> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * (C) Copyright 2002-2004 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * (C) Copyright 2004 + * Philippe Robin, ARM Ltd. <philippe.robin@arm.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <arm946es.h> +#include <asm/proc-armv/ptrace.h> + +#define TIMER_LOAD_VAL 0xffffffff +extern void reset_cpu(ulong addr); + +#ifdef CONFIG_USE_IRQ +/* enable IRQ interrupts */ +void enable_interrupts (void) +{ + unsigned long temp; + __asm__ __volatile__("mrs %0, cpsr\n" + "bic %0, %0, #0x80\n" + "msr cpsr_c, %0" + : "=r" (temp) + : + : "memory"); +} + + +/* + * disable IRQ/FIQ interrupts + * returns true if interrupts had been enabled before we disabled them + */ +int disable_interrupts (void) +{ + unsigned long old,temp; + __asm__ __volatile__("mrs %0, cpsr\n" + "orr %1, %0, #0xc0\n" + "msr cpsr_c, %1" + : "=r" (old), "=r" (temp) + : + : "memory"); + return (old & 0x80) == 0; +} +#else +void enable_interrupts (void) +{ + return; +} +int disable_interrupts (void) +{ + return 0; +} +#endif + + +void bad_mode (void) +{ + panic ("Resetting CPU ...\n"); + reset_cpu (0); +} + +void show_regs (struct pt_regs *regs) +{ + unsigned long flags; + const char *processor_modes[] = { + "USER_26", "FIQ_26", "IRQ_26", "SVC_26", + "UK4_26", "UK5_26", "UK6_26", "UK7_26", + "UK8_26", "UK9_26", "UK10_26", "UK11_26", + "UK12_26", "UK13_26", "UK14_26", "UK15_26", + "USER_32", "FIQ_32", "IRQ_32", "SVC_32", + "UK4_32", "UK5_32", "UK6_32", "ABT_32", + "UK8_32", "UK9_32", "UK10_32", "UND_32", + "UK12_32", "UK13_32", "UK14_32", "SYS_32", + }; + + flags = condition_codes (regs); + + printf ("pc : [<%08lx>] lr : [<%08lx>]\n" + "sp : %08lx ip : %08lx fp : %08lx\n", + instruction_pointer (regs), + regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp); + printf ("r10: %08lx r9 : %08lx r8 : %08lx\n", + regs->ARM_r10, regs->ARM_r9, regs->ARM_r8); + printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", + regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4); + printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", + regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0); + printf ("Flags: %c%c%c%c", + flags & CC_N_BIT ? 'N' : 'n', + flags & CC_Z_BIT ? 'Z' : 'z', + flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v'); + printf (" IRQs %s FIQs %s Mode %s%s\n", + interrupts_enabled (regs) ? "on" : "off", + fast_interrupts_enabled (regs) ? "on" : "off", + processor_modes[processor_mode (regs)], + thumb_mode (regs) ? " (T)" : ""); +} + +void do_undefined_instruction (struct pt_regs *pt_regs) +{ + printf ("undefined instruction\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_software_interrupt (struct pt_regs *pt_regs) +{ + printf ("software interrupt\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_prefetch_abort (struct pt_regs *pt_regs) +{ + printf ("prefetch abort\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_data_abort (struct pt_regs *pt_regs) +{ + printf ("data abort\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_not_used (struct pt_regs *pt_regs) +{ + printf ("not used\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_fiq (struct pt_regs *pt_regs) +{ + printf ("fast interrupt request\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_irq (struct pt_regs *pt_regs) +{ + printf ("interrupt request\n"); + show_regs (pt_regs); + bad_mode (); +} + +#ifdef CONFIG_INTEGRATOR + /* Timer functionality supplied by Integrator board (AP or CP) */ +#else + +static ulong timestamp; +static ulong lastdec; + +/* nothing really to do with interrupts, just starts up a counter. */ +int interrupt_init (void) +{ + /* init the timestamp and lastdec value */ + reset_timer_masked(); + + return (0); +} + +/* + * timer without interrupts + */ + +void reset_timer (void) +{ + reset_timer_masked (); +} + +ulong get_timer (ulong base) +{ + return get_timer_masked () - base; +} + +void set_timer (ulong t) +{ + timestamp = t; +} + +/* delay x useconds AND perserve advance timstamp value */ +void udelay(unsigned long usec) +{ + udelay_masked(usec); +} + +void reset_timer_masked (void) +{ + /* reset time */ + lastdec = READ_TIMER; /* capure current decrementer value time */ + timestamp = 0; /* start "advancing" time stamp from 0 */ +} + +ulong get_timer_raw (void) +{ + ulong now = READ_TIMER; /* current tick value */ + + if (lastdec >= now) { /* normal mode (non roll) */ + /* normal mode */ + timestamp += lastdec - now; /* move stamp fordward with absoulte diff ticks */ + } else { /* we have overflow of the count down timer */ + /* nts = ts + ld + (TLV - now) + * ts=old stamp, ld=time that passed before passing through -1 + * (TLV-now) amount of time after passing though -1 + * nts = new "advancing time stamp"...it could also roll and cause problems. + */ + timestamp += lastdec + TIMER_LOAD_VAL - now; + } + lastdec = now; + + return timestamp; +} + +ulong get_timer_masked (void) +{ + return get_timer_raw() / TIMER_LOAD_VAL; +} + +/* waits specified delay value and resets timestamp */ +void udelay_masked (unsigned long usec) +{ + ulong tmo; + + if(usec >= 1000){ /* if "big" number, spread normalization to seconds */ + tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ + tmo *= CFG_HZ_CLOCK; /* find number of "ticks" to wait to achieve target */ + tmo /= 1000; /* finish normalize. */ + }else{ /* else small number, don't kill it prior to HZ multiply */ + tmo = usec * CFG_HZ_CLOCK; + tmo /= (1000*1000); + } + + reset_timer_masked (); /* set "advancing" timestamp to 0, set lastdec vaule */ + + while (get_timer_raw () < tmo) /* wait for time stamp to overtake tick number.*/ + /*NOP*/; +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk (void) +{ + ulong tbclk; + + tbclk = CFG_HZ; + return tbclk; +} + +#endif /* CONFIG_INTEGRATOR */ diff --git a/cpu/arm946es/start.S b/cpu/arm946es/start.S new file mode 100644 index 0000000..e8c908b --- /dev/null +++ b/cpu/arm946es/start.S @@ -0,0 +1,409 @@ +/* + * armboot - Startup Code for ARM926EJS CPU-core + * + * Copyright (c) 2003 Texas Instruments + * + * ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------ + * + * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> + * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> + * Copyright (c) 2002 Gary Jennejohn <gj@denx.de> + * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> + * Copyright (c) 2003 Kshitij <kshitij@ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#include <config.h> +#include <version.h> + +/* + ************************************************************************* + * + * Jump vector table as in table 3.1 in [1] + * + ************************************************************************* + */ + + +.globl _start +_start: + b reset + ldr pc, _undefined_instruction + ldr pc, _software_interrupt + ldr pc, _prefetch_abort + ldr pc, _data_abort + ldr pc, _not_used + ldr pc, _irq + ldr pc, _fiq + +_undefined_instruction: + .word undefined_instruction +_software_interrupt: + .word software_interrupt +_prefetch_abort: + .word prefetch_abort +_data_abort: + .word data_abort +_not_used: + .word not_used +_irq: + .word irq +_fiq: + .word fiq + + .balignl 16,0xdeadbeef + + +/* + ************************************************************************* + * + * Startup Code (reset vector) + * + * do important init only if we don't start from memory! + * setup Memory and board specific bits prior to relocation. + * relocate armboot to ram + * setup stack + * + ************************************************************************* + */ + +_TEXT_BASE: + .word TEXT_BASE + +.globl _armboot_start +_armboot_start: + .word _start + +/* + * These are defined in the board-specific linker script. + */ +.globl _bss_start +_bss_start: + .word __bss_start + +.globl _bss_end +_bss_end: + .word _end + +#ifdef CONFIG_USE_IRQ +/* IRQ stack memory (calculated at run-time) */ +.globl IRQ_STACK_START +IRQ_STACK_START: + .word 0x0badc0de + +/* IRQ stack memory (calculated at run-time) */ +.globl FIQ_STACK_START +FIQ_STACK_START: + .word 0x0badc0de +#endif + + +/* + * the actual reset code + */ + +reset: + /* + * set the cpu to SVC32 mode + */ + mrs r0,cpsr + bic r0,r0,#0x1f + orr r0,r0,#0xd3 + msr cpsr,r0 + + /* + * we do sys-critical inits only at reboot, + * not when booting from ram! + */ +#ifdef CONFIG_INIT_CRITICAL + bl cpu_init_crit +#endif + +relocate: /* relocate U-Boot to RAM */ + adr r0, _start /* r0 <- current position of code */ + ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ + cmp r0, r1 /* don't reloc during debug */ + beq stack_setup + + ldr r2, _armboot_start + ldr r3, _bss_start + sub r2, r3, r2 /* r2 <- size of armboot */ + add r2, r0, r2 /* r2 <- source end address */ + +copy_loop: + ldmia r0!, {r3-r10} /* copy from source address [r0] */ + stmia r1!, {r3-r10} /* copy to target address [r1] */ + cmp r0, r2 /* until source end addreee [r2] */ + ble copy_loop + + /* Set up the stack */ +stack_setup: + ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ + sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ + sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ +#ifdef CONFIG_USE_IRQ + sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) +#endif + sub sp, r0, #12 /* leave 3 words for abort-stack */ + +clear_bss: + ldr r0, _bss_start /* find start of bss segment */ + ldr r1, _bss_end /* stop here */ + mov r2, #0x00000000 /* clear */ + +clbss_l:str r2, [r0] /* clear loop... */ + add r0, r0, #4 + cmp r0, r1 + bne clbss_l + + ldr pc, _start_armboot + +_start_armboot: + .word start_armboot + + +/* + ************************************************************************* + * + * CPU_init_critical registers + * + * setup important registers + * setup memory timing + * + ************************************************************************* + */ + + +cpu_init_crit: + /* + * flush v4 I/D caches + */ + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 /* flush v4 I-cache */ + mcr p15, 0, r0, c7, c6, 0 /* flush v4 D-cache */ + + /* + * disable MMU stuff and caches + */ + mrc p15, 0, r0, c1, c0, 0 + bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */ + bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */ + orr r0, r0, #0x00000002 /* set bit 2 (A) Align */ + orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */ + mcr p15, 0, r0, c1, c0, 0 + + /* + * Go setup Memory and board specific bits prior to relocation. + */ + mov ip, lr /* perserve link reg across call */ + bl lowlevel_init /* go setup memory */ + mov lr, ip /* restore link */ + mov pc, lr /* back to my caller */ +/* + ************************************************************************* + * + * Interrupt handling + * + ************************************************************************* + */ + +@ +@ IRQ stack frame. +@ +#define S_FRAME_SIZE 72 + +#define S_OLD_R0 68 +#define S_PSR 64 +#define S_PC 60 +#define S_LR 56 +#define S_SP 52 + +#define S_IP 48 +#define S_FP 44 +#define S_R10 40 +#define S_R9 36 +#define S_R8 32 +#define S_R7 28 +#define S_R6 24 +#define S_R5 20 +#define S_R4 16 +#define S_R3 12 +#define S_R2 8 +#define S_R1 4 +#define S_R0 0 + +#define MODE_SVC 0x13 +#define I_BIT 0x80 + +/* + * use bad_save_user_regs for abort/prefetch/undef/swi ... + * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling + */ + + .macro bad_save_user_regs + @ carve out a frame on current user stack + sub sp, sp, #S_FRAME_SIZE + stmia sp, {r0 - r12} @ Save user registers (now in svc mode) r0-r12 + + ldr r2, _armboot_start + sub r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) + sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack + @ get values for "aborted" pc and cpsr (into parm regs) + ldmia r2, {r2 - r3} + add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack + add r5, sp, #S_SP + mov r1, lr + stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr + mov r0, sp @ save current stack into r0 (param register) + .endm + + .macro irq_save_user_regs + sub sp, sp, #S_FRAME_SIZE + stmia sp, {r0 - r12} @ Calling r0-r12 + @ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good. + add r8, sp, #S_PC + stmdb r8, {sp, lr}^ @ Calling SP, LR + str lr, [r8, #0] @ Save calling PC + mrs r6, spsr + str r6, [r8, #4] @ Save CPSR + str r0, [r8, #8] @ Save OLD_R0 + mov r0, sp + .endm + + .macro irq_restore_user_regs + ldmia sp, {r0 - lr}^ @ Calling r0 - lr + mov r0, r0 + ldr lr, [sp, #S_PC] @ Get PC + add sp, sp, #S_FRAME_SIZE + subs pc, lr, #4 @ return & move spsr_svc into cpsr + .endm + + .macro get_bad_stack + ldr r13, _armboot_start @ setup our mode stack + sub r13, r13, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) + sub r13, r13, #(CFG_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack + + str lr, [r13] @ save caller lr in position 0 of saved stack + mrs lr, spsr @ get the spsr + str lr, [r13, #4] @ save spsr in position 1 of saved stack + mov r13, #MODE_SVC @ prepare SVC-Mode + @ msr spsr_c, r13 + msr spsr, r13 @ switch modes, make sure moves will execute + mov lr, pc @ capture return pc + movs pc, lr @ jump to next instruction & switch modes. + .endm + + .macro get_irq_stack @ setup IRQ stack + ldr sp, IRQ_STACK_START + .endm + + .macro get_fiq_stack @ setup FIQ stack + ldr sp, FIQ_STACK_START + .endm + +/* + * exception handlers + */ + .align 5 +undefined_instruction: + get_bad_stack + bad_save_user_regs + bl do_undefined_instruction + + .align 5 +software_interrupt: + get_bad_stack + bad_save_user_regs + bl do_software_interrupt + + .align 5 +prefetch_abort: + get_bad_stack + bad_save_user_regs + bl do_prefetch_abort + + .align 5 +data_abort: + get_bad_stack + bad_save_user_regs + bl do_data_abort + + .align 5 +not_used: + get_bad_stack + bad_save_user_regs + bl do_not_used + +#ifdef CONFIG_USE_IRQ + + .align 5 +irq: + get_irq_stack + irq_save_user_regs + bl do_irq + irq_restore_user_regs + + .align 5 +fiq: + get_fiq_stack + /* someone ought to write a more effiction fiq_save_user_regs */ + irq_save_user_regs + bl do_fiq + irq_restore_user_regs + +#else + + .align 5 +irq: + get_bad_stack + bad_save_user_regs + bl do_irq + + .align 5 +fiq: + get_bad_stack + bad_save_user_regs + bl do_fiq + +#endif + +# ifdef CONFIG_INTEGRATOR + + /* Satisfied by general board level routine */ + +#else + + .align 5 +.globl reset_cpu +reset_cpu: + + ldr r1, rstctl1 /* get clkm1 reset ctl */ + mov r3, #0x0 + strh r3, [r1] /* clear it */ + mov r3, #0x8 + strh r3, [r1] /* force dsp+arm reset */ +_loop_forever: + b _loop_forever + +rstctl1: + .word 0xfffece10 + +#endif /* #ifdef CONFIG_INTEGRATOR */ diff --git a/cpu/arm_intcm/Makefile b/cpu/arm_intcm/Makefile new file mode 100644 index 0000000..203278e --- /dev/null +++ b/cpu/arm_intcm/Makefile @@ -0,0 +1,43 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(CPU).a + +START = start.o +OBJS = interrupts.o cpu.o + +all: .depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/arm_intcm/config.mk b/cpu/arm_intcm/config.mk new file mode 100644 index 0000000..81ca288 --- /dev/null +++ b/cpu/arm_intcm/config.mk @@ -0,0 +1,27 @@ +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, <gj@denx.de> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ + -msoft-float + +PLATFORM_CPPFLAGS += -march=armv4 diff --git a/cpu/arm_intcm/cpu.c b/cpu/arm_intcm/cpu.c new file mode 100644 index 0000000..d03b09d --- /dev/null +++ b/cpu/arm_intcm/cpu.c @@ -0,0 +1,91 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * CPU specific code for an unknown cpu + * - hence fairly empty...... + */ + +#include <common.h> +#include <command.h> + +int cpu_init (void) +{ + /* + * setup up stacks if necessary + */ +#ifdef CONFIG_USE_IRQ + DECLARE_GLOBAL_DATA_PTR; + + IRQ_STACK_START = _armboot_start - CFG_MALLOC_LEN - CFG_GBL_DATA_SIZE - 4; + FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; +#endif + return 0; +} + +int cleanup_before_linux (void) +{ + /* + * this function is called just before we call linux + * it prepares the processor for linux + * + * we turn off caches etc ... + */ + + disable_interrupts (); + + /* Since the CM has unknown processor we do not support + * cache operations + */ + + return (0); +} + +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + extern void reset_cpu (ulong addr); + + disable_interrupts (); + reset_cpu (0); + /*NOTREACHED*/ + return (0); +} + +/* May not be cahed processor on the CM - do nothing */ +void icache_enable (void) +{ +} + +void icache_disable (void) +{ +} + +/* return "disabled" */ +int icache_status (void) +{ + return 0; +} diff --git a/cpu/arm_intcm/interrupts.c b/cpu/arm_intcm/interrupts.c new file mode 100644 index 0000000..1763176 --- /dev/null +++ b/cpu/arm_intcm/interrupts.c @@ -0,0 +1,192 @@ +/* + * (C) Copyright 2003 + * Texas Instruments <www.ti.com> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * (C) Copyright 2002-2004 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * (C) Copyright 2004 + * Philippe Robin, ARM Ltd. <philippe.robin@arm.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/proc-armv/ptrace.h> + +#ifndef CONFIG_INTEGRATOR +/* Only to be used for integrator/AP or /CP */ +/* Allows U-Boot to be used with any ARM supplied core module (CM), + * provided the ARM boot monitor, or similar software, + * runs first to set up the platform e.g. map writeable memory to 0x00000000 + * - see Integrator User Guides + * Versatile has a supported cpu - arm926ejs + * Some integrator CMs cpus are supported + * CM926EJ-S, CM946E-S + * For platforms with supported cpus U-Boot can be used as the sole boot + * monitor/loader - it will configure the platform itself + * Also U-Boot may be faster/smaller in those cases since specific + * qualities of the cpu and/or CM can be used e.g i and/or d caches etc. + */ +#endif +extern void reset_cpu(ulong addr); + +#ifdef CONFIG_USE_IRQ +/* enable IRQ interrupts */ +void enable_interrupts (void) +{ + unsigned long temp; + __asm__ __volatile__("mrs %0, cpsr\n" + "bic %0, %0, #0x80\n" + "msr cpsr_c, %0" + : "=r" (temp) + : + : "memory"); +} + + +/* + * disable IRQ/FIQ interrupts + * returns true if interrupts had been enabled before we disabled them + */ +int disable_interrupts (void) +{ + unsigned long old,temp; + __asm__ __volatile__("mrs %0, cpsr\n" + "orr %1, %0, #0xc0\n" + "msr cpsr_c, %1" + : "=r" (old), "=r" (temp) + : + : "memory"); + return (old & 0x80) == 0; +} +#else +void enable_interrupts (void) +{ + return; +} +int disable_interrupts (void) +{ + return 0; +} +#endif + + +void bad_mode (void) +{ + panic ("Resetting CPU ...\n"); + reset_cpu (0); +} + +void show_regs (struct pt_regs *regs) +{ + unsigned long flags; + const char *processor_modes[] = { + "USER_26", "FIQ_26", "IRQ_26", "SVC_26", + "UK4_26", "UK5_26", "UK6_26", "UK7_26", + "UK8_26", "UK9_26", "UK10_26", "UK11_26", + "UK12_26", "UK13_26", "UK14_26", "UK15_26", + "USER_32", "FIQ_32", "IRQ_32", "SVC_32", + "UK4_32", "UK5_32", "UK6_32", "ABT_32", + "UK8_32", "UK9_32", "UK10_32", "UND_32", + "UK12_32", "UK13_32", "UK14_32", "SYS_32", + }; + + flags = condition_codes (regs); + + printf ("pc : [<%08lx>] lr : [<%08lx>]\n" + "sp : %08lx ip : %08lx fp : %08lx\n", + instruction_pointer (regs), + regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp); + printf ("r10: %08lx r9 : %08lx r8 : %08lx\n", + regs->ARM_r10, regs->ARM_r9, regs->ARM_r8); + printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n", + regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4); + printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", + regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0); + printf ("Flags: %c%c%c%c", + flags & CC_N_BIT ? 'N' : 'n', + flags & CC_Z_BIT ? 'Z' : 'z', + flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v'); + printf (" IRQs %s FIQs %s Mode %s%s\n", + interrupts_enabled (regs) ? "on" : "off", + fast_interrupts_enabled (regs) ? "on" : "off", + processor_modes[processor_mode (regs)], + thumb_mode (regs) ? " (T)" : ""); +} + +void do_undefined_instruction (struct pt_regs *pt_regs) +{ + printf ("undefined instruction\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_software_interrupt (struct pt_regs *pt_regs) +{ + printf ("software interrupt\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_prefetch_abort (struct pt_regs *pt_regs) +{ + printf ("prefetch abort\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_data_abort (struct pt_regs *pt_regs) +{ + printf ("data abort\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_not_used (struct pt_regs *pt_regs) +{ + printf ("not used\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_fiq (struct pt_regs *pt_regs) +{ + printf ("fast interrupt request\n"); + show_regs (pt_regs); + bad_mode (); +} + +void do_irq (struct pt_regs *pt_regs) +{ + printf ("interrupt request\n"); + show_regs (pt_regs); + bad_mode (); +} + +/* The timer functionality is supplied by the Integrator board */ +/* - see board/integrator<>.c */ diff --git a/cpu/arm_intcm/start.S b/cpu/arm_intcm/start.S new file mode 100644 index 0000000..75fe917 --- /dev/null +++ b/cpu/arm_intcm/start.S @@ -0,0 +1,370 @@ +/* + * armboot - Startup Code for ARM926EJS CPU-core + * + * Copyright (c) 2003 Texas Instruments + * + * ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------ + * + * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> + * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> + * Copyright (c) 2002 Gary Jennejohn <gj@denx.de> + * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> + * Copyright (c) 2003 Kshitij <kshitij@ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#include <config.h> +#include <version.h> + +/* + ************************************************************************* + * + * Jump vector table + * + ************************************************************************* + */ + +.globl _start +_start: + b reset + ldr pc, _undefined_instruction + ldr pc, _software_interrupt + ldr pc, _prefetch_abort + ldr pc, _data_abort + ldr pc, _not_used + ldr pc, _irq + ldr pc, _fiq + +_undefined_instruction: + .word undefined_instruction +_software_interrupt: + .word software_interrupt +_prefetch_abort: + .word prefetch_abort +_data_abort: + .word data_abort +_not_used: + .word not_used +_irq: + .word irq +_fiq: + .word fiq + + .balignl 16,0xdeadbeef + +/* + ************************************************************************* + * + * Startup Code (reset vector) + * + * do important init only if we don't start from memory! + * setup memory and board specific bits prior to relocation. + * relocate armboot to ram + * setup stack + * + ************************************************************************* + */ + +_TEXT_BASE: + .word TEXT_BASE /* address of _start in the linked image */ + +.globl _armboot_start +_armboot_start: + .word _start + +/* + * These are defined in the board-specific linker script. + */ +.globl _bss_start +_bss_start: + .word __bss_start + +.globl _bss_end +_bss_end: + .word _end + +#ifdef CONFIG_USE_IRQ +/* IRQ stack memory (calculated at run-time) */ +.globl IRQ_STACK_START +IRQ_STACK_START: + .word 0x0badc0de + +/* IRQ stack memory (calculated at run-time) */ +.globl FIQ_STACK_START +FIQ_STACK_START: + .word 0x0badc0de +#endif + + +/* + * the actual reset code + */ +.globl reset +reset: + /* + * set the cpu to SVC32 mode + */ + mrs r0,cpsr + bic r0,r0,#0x1f + orr r0,r0,#0xd3 + msr cpsr,r0 + + /* + * we do sys-critical inits only at reboot, + * not when booting from ram! + */ +#ifdef CONFIG_INIT_CRITICAL + bl cpu_init_crit +#endif + +relocate: /* relocate U-Boot to RAM */ + adr r0, _start /* pc relative address of label */ + ldr r1, _TEXT_BASE /* linked image address of label */ + cmp r0, r1 /* test if we run from flash or RAM */ + beq stack_setup /* ifeq we are in the RAM copy */ + + ldr r2, _armboot_start + ldr r3, _bss_start + sub r2, r3, r2 /* r2 <- size of armboot */ + add r2, r0, r2 /* r2 <- source end address */ + +copy_loop: + ldmia r0!, {r3-r10} /* copy from source address [r0] */ + stmia r1!, {r3-r10} /* copy to target address [r1] */ + cmp r0, r2 /* until source end addreee [r2] */ + ble copy_loop + + /* Set up the stack */ +stack_setup: + ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ + sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ + sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ +#ifdef CONFIG_USE_IRQ + sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) +#endif + sub sp, r0, #12 /* leave 3 words for abort-stack */ + +clear_bss: + ldr r0, _bss_start /* find start of bss segment */ + ldr r1, _bss_end /* stop here */ + mov r2, #0x00000000 /* clear */ + +clbss_l:str r2, [r0] /* clear loop... */ + add r0, r0, #4 + cmp r0, r1 + ble clbss_l + + ldr pc, _start_armboot + +_start_armboot: + .word start_armboot + +/* + ************************************************************************* + * + * CPU_init_critical registers + * + * setup important registers + * setup memory timing + * + ************************************************************************* + */ + +cpu_init_crit: + /* arm_int_generic assumes the ARM boot monitor, or user software, + * has initialized the platform + */ + mov pc, lr /* back to my caller */ +/* + ************************************************************************* + * + * Interrupt handling + * + ************************************************************************* + */ + +@ +@ IRQ stack frame. +@ +#define S_FRAME_SIZE 72 + +#define S_OLD_R0 68 +#define S_PSR 64 +#define S_PC 60 +#define S_LR 56 +#define S_SP 52 + +#define S_IP 48 +#define S_FP 44 +#define S_R10 40 +#define S_R9 36 +#define S_R8 32 +#define S_R7 28 +#define S_R6 24 +#define S_R5 20 +#define S_R4 16 +#define S_R3 12 +#define S_R2 8 +#define S_R1 4 +#define S_R0 0 + +#define MODE_SVC 0x13 +#define I_BIT 0x80 + +/* + * use bad_save_user_regs for abort/prefetch/undef/swi ... + * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling + */ + + .macro bad_save_user_regs + @ carve out a frame on current user stack + sub sp, sp, #S_FRAME_SIZE + stmia sp, {r0 - r12} @ Save user registers (now in svc mode) r0-r12 + + ldr r2, _armboot_start + sub r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) + sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack + @ get values for "aborted" pc and cpsr (into parm regs) + ldmia r2, {r2 - r3} + add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack + add r5, sp, #S_SP + mov r1, lr + stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr + mov r0, sp @ save current stack into r0 (param register) + .endm + + .macro irq_save_user_regs + sub sp, sp, #S_FRAME_SIZE + stmia sp, {r0 - r12} @ Calling r0-r12 + @ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good. + add r8, sp, #S_PC + stmdb r8, {sp, lr}^ @ Calling SP, LR + str lr, [r8, #0] @ Save calling PC + mrs r6, spsr + str r6, [r8, #4] @ Save CPSR + str r0, [r8, #8] @ Save OLD_R0 + mov r0, sp + .endm + + .macro irq_restore_user_regs + ldmia sp, {r0 - lr}^ @ Calling r0 - lr + mov r0, r0 + ldr lr, [sp, #S_PC] @ Get PC + add sp, sp, #S_FRAME_SIZE + subs pc, lr, #4 @ return & move spsr_svc into cpsr + .endm + + .macro get_bad_stack + ldr r13, _armboot_start @ setup our mode stack + sub r13, r13, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) + sub r13, r13, #(CFG_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack + + str lr, [r13] @ save caller lr in position 0 of saved stack + mrs lr, spsr @ get the spsr + str lr, [r13, #4] @ save spsr in position 1 of saved stack + mov r13, #MODE_SVC @ prepare SVC-Mode + @ msr spsr_c, r13 + msr spsr, r13 @ switch modes, make sure moves will execute + mov lr, pc @ capture return pc + movs pc, lr @ jump to next instruction & switch modes. + .endm + + .macro get_irq_stack @ setup IRQ stack + ldr sp, IRQ_STACK_START + .endm + + .macro get_fiq_stack @ setup FIQ stack + ldr sp, FIQ_STACK_START + .endm + +/* + * exception handlers + */ + .align 5 +.globl undefined_instruction +undefined_instruction: + get_bad_stack + bad_save_user_regs + bl do_undefined_instruction + + .align 5 +.globl software_interrupt +software_interrupt: + get_bad_stack + bad_save_user_regs + bl do_software_interrupt + + .align 5 +.globl prefetch_abort +prefetch_abort: + get_bad_stack + bad_save_user_regs + bl do_prefetch_abort + + .align 5 +.globl data_abort +data_abort: + get_bad_stack + bad_save_user_regs + bl do_data_abort + + .align 5 +.globl not_used +not_used: + get_bad_stack + bad_save_user_regs + bl do_not_used + +#ifdef CONFIG_USE_IRQ + .align 5 +.globl irq +irq: + get_irq_stack + irq_save_user_regs + bl do_irq + irq_restore_user_regs + + .align 5 +.globl fiq +fiq: + get_fiq_stack + /* someone ought to write a more effiction fiq_save_user_regs */ + irq_save_user_regs + bl do_fiq + irq_restore_user_regs + +#else + + .align 5 +.globl irq +irq: + get_bad_stack + bad_save_user_regs + bl do_irq + + .align 5 +.globl fiq +fiq: + get_bad_stack + bad_save_user_regs + bl do_fiq + +#endif diff --git a/cpu/ixp/config.mk b/cpu/ixp/config.mk index 667adfc..eddda39 100644 --- a/cpu/ixp/config.mk +++ b/cpu/ixp/config.mk @@ -25,6 +25,13 @@ BIG_ENDIAN = y PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float -mbig-endian + -msoft-float -mbig-endian -PLATFORM_CPPFLAGS += -mbig-endian -mapcs-32 -march=armv4 -mtune=strongarm1100 +PLATFORM_CPPFLAGS += -mbig-endian -march=armv4 -mtune=strongarm1100 +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/ixp/pci.c b/cpu/ixp/pci.c index 33c1cff..84c4339 100644 --- a/cpu/ixp/pci.c +++ b/cpu/ixp/pci.c @@ -68,47 +68,6 @@ PciBar *memBars[IXP425_PCI_MAX_BAR]; PciBar *ioBars[IXP425_PCI_MAX_BAR]; PciDevice devices[IXP425_PCI_MAX_FUNC_ON_BUS]; -void out_8 (volatile unsigned *addr, char val) -{ - *addr = val; -} - -void out_le16 (volatile unsigned *addr, unsigned short val) -{ - *addr = cpu_to_le16 (val); -} - -void out_le32 (volatile unsigned *addr, unsigned int val) -{ - *addr = cpu_to_le32 (val); -} - -unsigned char in_8 (volatile unsigned *addr) -{ - unsigned char val; - - val = *addr; - return val; -} - -unsigned short in_le16 (volatile unsigned *addr) -{ - unsigned short val; - - val = *addr; - val = le16_to_cpu (val); - return val; -} - -unsigned in_le32 (volatile unsigned *addr) -{ - unsigned int val; - - val = *addr; - val = le32_to_cpu (val); - return val; -} - int pci_read_config_dword (pci_dev_t dev, int where, unsigned int *val) { unsigned int retval; @@ -556,9 +515,9 @@ void sys_pci_device_bars_write (void) pci_write_config_dword (devices[i].device, PCI_CFG_BASE_ADDRESS_0, devices[i].bar[0].address); - addr = (BIT (31 - devices[i].device) | + addr = BIT (31 - devices[i].device) | (0 << PCI_NP_AD_FUNCSL) | - (PCI_CFG_BASE_ADDRESS_0) ) & ~3; + (PCI_CFG_BASE_ADDRESS_0 & ~3); pci_write_config_dword (devices[i].device, PCI_CFG_DEV_INT_LINE, devices[i].irq); diff --git a/cpu/lh7a40x/config.mk b/cpu/lh7a40x/config.mk index cef7d26..10e755b 100644 --- a/cpu/lh7a40x/config.mk +++ b/cpu/lh7a40x/config.mk @@ -22,6 +22,13 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 +PLATFORM_CPPFLAGS += -march=armv4 +# ========================================================================= +# +# Supply options according to compiler version +# +# ======================================================================== +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c index 623a01d..a5c50af 100644 --- a/cpu/mcf52x2/fec.c +++ b/cpu/mcf52x2/fec.c @@ -519,7 +519,8 @@ void mii_init (void) * Otherwise they hang in mii_send() !!! Sorry! *****************************************************************************/ -int miiphy_read (unsigned char addr, unsigned char reg, unsigned short *value) +int mcf52x2_miiphy_read (char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) { short rdreg; /* register working value */ @@ -537,7 +538,8 @@ int miiphy_read (unsigned char addr, unsigned char reg, unsigned short *value) return 0; } -int miiphy_write (unsigned char addr, unsigned char reg, unsigned short value) +int mcf52x2_miiphy_write (char *devname, unsigned char addr, + unsigned char reg, unsigned short value) { short rdreg; /* register working value */ @@ -554,5 +556,14 @@ int miiphy_write (unsigned char addr, unsigned char reg, unsigned short value) return 0; } #endif /* (CONFIG_COMMANDS & CFG_CMD_MII) && !defined(CONFIG_BITBANGMII) */ - #endif /* CFG_CMD_NET, FEC_ENET */ + +int mcf52x2_miiphy_initialize(bd_t *bis) +{ +#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET) +#if (CONFIG_COMMANDS & CFG_CMD_MII) && !defined(CONFIG_BITBANGMII) + miiphy_register("mcf52x2phy", mcf52x2_miiphy_read, mcf52x2_miiphy_write); +#endif +#endif + return 0; +} diff --git a/cpu/mips/Makefile b/cpu/mips/Makefile index 1182266..c8b30c7 100644 --- a/cpu/mips/Makefile +++ b/cpu/mips/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o -OBJS = asc_serial.o au1x00_serial.o au1x00_eth.o \ +OBJS = asc_serial.o au1x00_serial.o au1x00_eth.o au1x00_usb_ohci.o \ cpu.o interrupts.o incaip_clock.o SOBJS = incaip_wdt.o cache.o diff --git a/cpu/mips/au1x00_eth.c b/cpu/mips/au1x00_eth.c index b8219bf..9ce9b35 100644 --- a/cpu/mips/au1x00_eth.c +++ b/cpu/mips/au1x00_eth.c @@ -13,7 +13,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -25,8 +25,8 @@ #ifdef CONFIG_AU1X00 -#if defined(CFG_DISCOVER_PHY) || (CONFIG_COMMANDS & CFG_CMD_MII) -#error "PHY and MII not supported yet" +#if defined(CFG_DISCOVER_PHY) +#error "PHY not supported yet" /* We just assume that we are running 100FD for now */ /* We all use switches, right? ;-) */ #endif @@ -63,6 +63,10 @@ #include <asm/io.h> #include <asm/au1x00.h> +#if (CONFIG_COMMANDS & CFG_CMD_MII) +#include <miiphy.h> +#endif + /* Ethernet Transmit and Receive Buffers */ #define DBUF_LENGTH 1520 #define PKT_MAXBUF_SIZE 1518 @@ -172,8 +176,8 @@ static int au1x00_init(struct eth_device* dev, bd_t * bd){ (volatile mac_fifo_t*)(MAC0_RX_DMA_ADDR+MAC_RX_BUFF0_STATUS); int i; - next_tx = 0; - next_rx = 0; + next_tx = TX_GET_DMA_BUFFER(fifo_tx[0].addr); + next_rx = RX_GET_DMA_BUFFER(fifo_rx[0].addr); /* We have to enable clocks before releasing reset */ *macen = MAC_EN_CLOCK_ENABLE; @@ -193,9 +197,9 @@ static int au1x00_init(struct eth_device* dev, bd_t * bd){ /* Put mac addr in little endian */ #define ea eth_get_dev()->enetaddr - *mac_addr_high = (ea[5] << 8) | (ea[4] ) ; - *mac_addr_low = (ea[3] << 24) | (ea[2] << 16) | - (ea[1] << 8) | (ea[0] ) ; + *mac_addr_high = (ea[5] << 8) | (ea[4] ) ; + *mac_addr_low = (ea[3] << 24) | (ea[2] << 16) | + (ea[1] << 8) | (ea[0] ) ; #undef ea *mac_mcast_low = 0; *mac_mcast_high = 0; @@ -233,7 +237,71 @@ int au1x00_enet_initialize(bd_t *bis){ eth_register(dev); +#if (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register(dev->name, + au1x00_miiphy_read, au1x00_miiphy_write); +#endif + return 1; } +#if (CONFIG_COMMANDS & CFG_CMD_MII) +int au1x00_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short * value) +{ + volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL); + volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA); + u32 mii_control; + unsigned int timedout = 20; + + while (*mii_control_reg & MAC_MII_BUSY) { + udelay(1000); + if (--timedout == 0) { + printf("au1x00_eth: miiphy_read busy timeout!!\n"); + return -1; + } + } + + mii_control = MAC_SET_MII_SELECT_REG(reg) | + MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ; + + *mii_control_reg = mii_control; + + timedout = 20; + while (*mii_control_reg & MAC_MII_BUSY) { + udelay(1000); + if (--timedout == 0) { + printf("au1x00_eth: miiphy_read busy timeout!!\n"); + return -1; + } + } + *value = *mii_data_reg; + return 0; +} + +int au1x00_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value) +{ + volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL); + volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA); + u32 mii_control; + unsigned int timedout = 20; + + while (*mii_control_reg & MAC_MII_BUSY) { + udelay(1000); + if (--timedout == 0) { + printf("au1x00_eth: miiphy_write busy timeout!!\n"); + return; + } + } + + mii_control = MAC_SET_MII_SELECT_REG(reg) | + MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE; + + *mii_data_reg = value; + *mii_control_reg = mii_control; + return 0; +} +#endif /* CONFIG_COMMANDS & CFG_CMD_MII */ + #endif /* CONFIG_AU1X00 */ diff --git a/cpu/mips/au1x00_serial.c b/cpu/mips/au1x00_serial.c index ac75da5..42c668e 100644 --- a/cpu/mips/au1x00_serial.c +++ b/cpu/mips/au1x00_serial.c @@ -70,9 +70,21 @@ void serial_setbrg (void) { volatile u32 *uart_clk = (volatile u32*)(UART0_ADDR+UART_CLK); volatile u32 *uart_lcr = (volatile u32*)(UART0_ADDR+UART_LCR); + volatile u32 *sys_powerctrl = (u32 *)SYS_POWERCTRL; + int sd; + int divisorx2; - /* Set baudrate - FIXME for bus speeds != CPU/2 */ - *uart_clk = ((CFG_HZ/(CONFIG_BAUDRATE * 64))); + /* sd is system clock divisor */ + /* see section 10.4.5 in au1550 datasheet */ + sd = (*sys_powerctrl & 0x03) + 2; + + /* calulate 2x baudrate and round */ + divisorx2 = ((CFG_HZ/(sd * 16 * CONFIG_BAUDRATE))); + + if (divisorx2 & 0x01) + divisorx2 = divisorx2 + 1; + + *uart_clk = divisorx2 / 2; /* Set parity, stop bits and word length to 8N1 */ *uart_lcr = UART_LCR_WLEN8; diff --git a/cpu/mips/au1x00_usb_ohci.c b/cpu/mips/au1x00_usb_ohci.c new file mode 100644 index 0000000..dbf72dc --- /dev/null +++ b/cpu/mips/au1x00_usb_ohci.c @@ -0,0 +1,1727 @@ +/* + * URB OHCI HCD (Host Controller Driver) for USB on the AU1x00. + * + * (C) Copyright 2003 + * Gary Jennejohn, DENX Software Engineering <gj@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Note: Part of this code has been derived from linux + * + */ +/* + * IMPORTANT NOTES + * 1 - you MUST define LITTLEENDIAN in the configuration file for the + * board or this driver will NOT work! + * 2 - this driver is intended for use with USB Mass Storage Devices + * (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes! + */ + +#include <config.h> + +#if defined(CONFIG_AU1X00) && defined(CONFIG_USB_OHCI) + +/* #include <pci.h> no PCI on the AU1x00 */ + +#include <common.h> +#include <malloc.h> +#include <asm/io.h> +#include <asm/au1x00.h> +#include <usb.h> +#include "au1x00_usb_ohci.h" + +#define OHCI_USE_NPS /* force NoPowerSwitching mode */ +#define OHCI_VERBOSE_DEBUG /* not always helpful */ +#define OHCI_FILL_TRACE + +#define USBH_ENABLE_BE (1<<0) +#define USBH_ENABLE_C (1<<1) +#define USBH_ENABLE_E (1<<2) +#define USBH_ENABLE_CE (1<<3) +#define USBH_ENABLE_RD (1<<4) + +#ifdef LITTLEENDIAN +#define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C) +#else +#define USBH_ENABLE_INIT (USBH_ENABLE_CE | USBH_ENABLE_E | USBH_ENABLE_C | USBH_ENABLE_BE) +#endif + + +/* For initializing controller (mask in an HCFS mode too) */ +#define OHCI_CONTROL_INIT \ + (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE + +#undef readl +#undef writel + +#define readl(a) au_readl((long)(a)) +#define writel(v,a) au_writel((v),(int)(a)) + +#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) + +#define DEBUG +#ifdef DEBUG +#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg) +#else +#define dbg(format, arg...) do {} while(0) +#endif /* DEBUG */ +#define err(format, arg...) printf("ERROR: " format "\n", ## arg) +#define SHOW_INFO +#ifdef SHOW_INFO +#define info(format, arg...) printf("INFO: " format "\n", ## arg) +#else +#define info(format, arg...) do {} while(0) +#endif + +#define m16_swap(x) swap_16(x) +#define m32_swap(x) swap_32(x) + +/* global ohci_t */ +static ohci_t gohci; +/* this must be aligned to a 256 byte boundary */ +struct ohci_hcca ghcca[1]; +/* a pointer to the aligned storage */ +struct ohci_hcca *phcca; +/* this allocates EDs for all possible endpoints */ +struct ohci_device ohci_dev; +/* urb_priv */ +urb_priv_t urb_priv; +/* RHSC flag */ +int got_rhsc; +/* device which was disconnected */ +struct usb_device *devgone; + +/*-------------------------------------------------------------------------*/ + +/* AMD-756 (D2 rev) reports corrupt register contents in some cases. + * The erratum (#4) description is incorrect. AMD's workaround waits + * till some bits (mostly reserved) are clear; ok for all revs. + */ +#define OHCI_QUIRK_AMD756 0xabcd +#define read_roothub(hc, register, mask) ({ \ + u32 temp = readl (&hc->regs->roothub.register); \ + if (hc->flags & OHCI_QUIRK_AMD756) \ + while (temp & mask) \ + temp = readl (&hc->regs->roothub.register); \ + temp; }) + +static u32 roothub_a (struct ohci *hc) + { return read_roothub (hc, a, 0xfc0fe000); } +static inline u32 roothub_b (struct ohci *hc) + { return readl (&hc->regs->roothub.b); } +static inline u32 roothub_status (struct ohci *hc) + { return readl (&hc->regs->roothub.status); } +static u32 roothub_portstatus (struct ohci *hc, int i) + { return read_roothub (hc, portstatus [i], 0xffe0fce0); } + + +/* forward declaration */ +static int hc_interrupt (void); +static void +td_submit_job (struct usb_device * dev, unsigned long pipe, void * buffer, + int transfer_len, struct devrequest * setup, urb_priv_t * urb, int interval); + +/*-------------------------------------------------------------------------* + * URB support functions + *-------------------------------------------------------------------------*/ + +/* free HCD-private data associated with this URB */ + +static void urb_free_priv (urb_priv_t * urb) +{ + int i; + int last; + struct td * td; + + last = urb->length - 1; + if (last >= 0) { + for (i = 0; i <= last; i++) { + td = urb->td[i]; + if (td) { + td->usb_dev = NULL; + urb->td[i] = NULL; + } + } + } +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEBUG +static int sohci_get_current_frame_number (struct usb_device * dev); + +/* debug| print the main components of an URB + * small: 0) header + data packets 1) just header */ + +static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer, + int transfer_len, struct devrequest * setup, char * str, int small) +{ + urb_priv_t * purb = &urb_priv; + + dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx", + str, + sohci_get_current_frame_number (dev), + usb_pipedevice (pipe), + usb_pipeendpoint (pipe), + usb_pipeout (pipe)? 'O': 'I', + usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): + (usb_pipecontrol (pipe)? "CTRL": "BULK"), + purb->actual_length, + transfer_len, dev->status); +#ifdef OHCI_VERBOSE_DEBUG + if (!small) { + int i, len; + + if (usb_pipecontrol (pipe)) { + printf (__FILE__ ": cmd(8):"); + for (i = 0; i < 8 ; i++) + printf (" %02x", ((__u8 *) setup) [i]); + printf ("\n"); + } + if (transfer_len > 0 && buffer) { + printf (__FILE__ ": data(%d/%d):", + purb->actual_length, + transfer_len); + len = usb_pipeout (pipe)? + transfer_len: purb->actual_length; + for (i = 0; i < 16 && i < len; i++) + printf (" %02x", ((__u8 *) buffer) [i]); + printf ("%s\n", i < len? "...": ""); + } + } +#endif +} + +/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/ +void ep_print_int_eds (ohci_t *ohci, char * str) { + int i, j; + __u32 * ed_p; + for (i= 0; i < 32; i++) { + j = 5; + ed_p = &(ohci->hcca->int_table [i]); + if (*ed_p == 0) + continue; + printf (__FILE__ ": %s branch int %2d(%2x):", str, i, i); + while (*ed_p != 0 && j--) { + ed_t *ed = (ed_t *)m32_swap(ed_p); + printf (" ed: %4x;", ed->hwINFO); + ed_p = &ed->hwNextED; + } + printf ("\n"); + } +} + +static void ohci_dump_intr_mask (char *label, __u32 mask) +{ + dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s", + label, + mask, + (mask & OHCI_INTR_MIE) ? " MIE" : "", + (mask & OHCI_INTR_OC) ? " OC" : "", + (mask & OHCI_INTR_RHSC) ? " RHSC" : "", + (mask & OHCI_INTR_FNO) ? " FNO" : "", + (mask & OHCI_INTR_UE) ? " UE" : "", + (mask & OHCI_INTR_RD) ? " RD" : "", + (mask & OHCI_INTR_SF) ? " SF" : "", + (mask & OHCI_INTR_WDH) ? " WDH" : "", + (mask & OHCI_INTR_SO) ? " SO" : "" + ); +} + +static void maybe_print_eds (char *label, __u32 value) +{ + ed_t *edp = (ed_t *)value; + + if (value) { + dbg ("%s %08x", label, value); + dbg ("%08x", edp->hwINFO); + dbg ("%08x", edp->hwTailP); + dbg ("%08x", edp->hwHeadP); + dbg ("%08x", edp->hwNextED); + } +} + +static char * hcfs2string (int state) +{ + switch (state) { + case OHCI_USB_RESET: return "reset"; + case OHCI_USB_RESUME: return "resume"; + case OHCI_USB_OPER: return "operational"; + case OHCI_USB_SUSPEND: return "suspend"; + } + return "?"; +} + +/* dump control and status registers */ +static void ohci_dump_status (ohci_t *controller) +{ + struct ohci_regs *regs = controller->regs; + __u32 temp; + + temp = readl (®s->revision) & 0xff; + if (temp != 0x10) + dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f)); + + temp = readl (®s->control); + dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp, + (temp & OHCI_CTRL_RWE) ? " RWE" : "", + (temp & OHCI_CTRL_RWC) ? " RWC" : "", + (temp & OHCI_CTRL_IR) ? " IR" : "", + hcfs2string (temp & OHCI_CTRL_HCFS), + (temp & OHCI_CTRL_BLE) ? " BLE" : "", + (temp & OHCI_CTRL_CLE) ? " CLE" : "", + (temp & OHCI_CTRL_IE) ? " IE" : "", + (temp & OHCI_CTRL_PLE) ? " PLE" : "", + temp & OHCI_CTRL_CBSR + ); + + temp = readl (®s->cmdstatus); + dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp, + (temp & OHCI_SOC) >> 16, + (temp & OHCI_OCR) ? " OCR" : "", + (temp & OHCI_BLF) ? " BLF" : "", + (temp & OHCI_CLF) ? " CLF" : "", + (temp & OHCI_HCR) ? " HCR" : "" + ); + + ohci_dump_intr_mask ("intrstatus", readl (®s->intrstatus)); + ohci_dump_intr_mask ("intrenable", readl (®s->intrenable)); + + maybe_print_eds ("ed_periodcurrent", readl (®s->ed_periodcurrent)); + + maybe_print_eds ("ed_controlhead", readl (®s->ed_controlhead)); + maybe_print_eds ("ed_controlcurrent", readl (®s->ed_controlcurrent)); + + maybe_print_eds ("ed_bulkhead", readl (®s->ed_bulkhead)); + maybe_print_eds ("ed_bulkcurrent", readl (®s->ed_bulkcurrent)); + + maybe_print_eds ("donehead", readl (®s->donehead)); +} + +static void ohci_dump_roothub (ohci_t *controller, int verbose) +{ + __u32 temp, ndp, i; + + temp = roothub_a (controller); + ndp = (temp & RH_A_NDP); + + if (verbose) { + dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp, + ((temp & RH_A_POTPGT) >> 24) & 0xff, + (temp & RH_A_NOCP) ? " NOCP" : "", + (temp & RH_A_OCPM) ? " OCPM" : "", + (temp & RH_A_DT) ? " DT" : "", + (temp & RH_A_NPS) ? " NPS" : "", + (temp & RH_A_PSM) ? " PSM" : "", + ndp + ); + temp = roothub_b (controller); + dbg ("roothub.b: %08x PPCM=%04x DR=%04x", + temp, + (temp & RH_B_PPCM) >> 16, + (temp & RH_B_DR) + ); + temp = roothub_status (controller); + dbg ("roothub.status: %08x%s%s%s%s%s%s", + temp, + (temp & RH_HS_CRWE) ? " CRWE" : "", + (temp & RH_HS_OCIC) ? " OCIC" : "", + (temp & RH_HS_LPSC) ? " LPSC" : "", + (temp & RH_HS_DRWE) ? " DRWE" : "", + (temp & RH_HS_OCI) ? " OCI" : "", + (temp & RH_HS_LPS) ? " LPS" : "" + ); + } + + for (i = 0; i < ndp; i++) { + temp = roothub_portstatus (controller, i); + dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s", + i, + temp, + (temp & RH_PS_PRSC) ? " PRSC" : "", + (temp & RH_PS_OCIC) ? " OCIC" : "", + (temp & RH_PS_PSSC) ? " PSSC" : "", + (temp & RH_PS_PESC) ? " PESC" : "", + (temp & RH_PS_CSC) ? " CSC" : "", + + (temp & RH_PS_LSDA) ? " LSDA" : "", + (temp & RH_PS_PPS) ? " PPS" : "", + (temp & RH_PS_PRS) ? " PRS" : "", + (temp & RH_PS_POCI) ? " POCI" : "", + (temp & RH_PS_PSS) ? " PSS" : "", + + (temp & RH_PS_PES) ? " PES" : "", + (temp & RH_PS_CCS) ? " CCS" : "" + ); + } +} + +static void ohci_dump (ohci_t *controller, int verbose) +{ + dbg ("OHCI controller usb-%s state", controller->slot_name); + + /* dumps some of the state we know about */ + ohci_dump_status (controller); + if (verbose) + ep_print_int_eds (controller, "hcca"); + dbg ("hcca frame #%04x", controller->hcca->frame_no); + ohci_dump_roothub (controller, 1); +} + + +#endif /* DEBUG */ + +/*-------------------------------------------------------------------------* + * Interface functions (URB) + *-------------------------------------------------------------------------*/ + +/* get a transfer request */ + +int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, int interval) +{ + ohci_t *ohci; + ed_t * ed; + urb_priv_t *purb_priv; + int i, size = 0; + + ohci = &gohci; + + /* when controller's hung, permit only roothub cleanup attempts + * such as powering down ports */ + if (ohci->disabled) { + err("sohci_submit_job: EPIPE"); + return -1; + } + + /* every endpoint has a ed, locate and fill it */ + if (!(ed = ep_add_ed (dev, pipe))) { + err("sohci_submit_job: ENOMEM"); + return -1; + } + + /* for the private part of the URB we need the number of TDs (size) */ + switch (usb_pipetype (pipe)) { + case PIPE_BULK: /* one TD for every 4096 Byte */ + size = (transfer_len - 1) / 4096 + 1; + break; + case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */ + size = (transfer_len == 0)? 2: + (transfer_len - 1) / 4096 + 3; + break; + } + + if (size >= (N_URB_TD - 1)) { + err("need %d TDs, only have %d", size, N_URB_TD); + return -1; + } + purb_priv = &urb_priv; + purb_priv->pipe = pipe; + + /* fill the private part of the URB */ + purb_priv->length = size; + purb_priv->ed = ed; + purb_priv->actual_length = 0; + + /* allocate the TDs */ + /* note that td[0] was allocated in ep_add_ed */ + for (i = 0; i < size; i++) { + purb_priv->td[i] = td_alloc (dev); + if (!purb_priv->td[i]) { + purb_priv->length = i; + urb_free_priv (purb_priv); + err("sohci_submit_job: ENOMEM"); + return -1; + } + } + + if (ed->state == ED_NEW || (ed->state & ED_DEL)) { + urb_free_priv (purb_priv); + err("sohci_submit_job: EINVAL"); + return -1; + } + + /* link the ed into a chain if is not already */ + if (ed->state != ED_OPER) + ep_link (ohci, ed); + + /* fill the TDs and link it to the ed */ + td_submit_job(dev, pipe, buffer, transfer_len, setup, purb_priv, interval); + + return 0; +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEBUG +/* tell us the current USB frame number */ + +static int sohci_get_current_frame_number (struct usb_device *usb_dev) +{ + ohci_t *ohci = &gohci; + + return m16_swap (ohci->hcca->frame_no); +} +#endif + +/*-------------------------------------------------------------------------* + * ED handling functions + *-------------------------------------------------------------------------*/ + +/* link an ed into one of the HC chains */ + +static int ep_link (ohci_t *ohci, ed_t *edi) +{ + volatile ed_t *ed = edi; + + ed->state = ED_OPER; + + switch (ed->type) { + case PIPE_CONTROL: + ed->hwNextED = 0; + if (ohci->ed_controltail == NULL) { + writel ((long)ed, &ohci->regs->ed_controlhead); + } else { + ohci->ed_controltail->hwNextED = m32_swap (ed); + } + ed->ed_prev = ohci->ed_controltail; + if (!ohci->ed_controltail && !ohci->ed_rm_list[0] && + !ohci->ed_rm_list[1] && !ohci->sleeping) { + ohci->hc_control |= OHCI_CTRL_CLE; + writel (ohci->hc_control, &ohci->regs->control); + } + ohci->ed_controltail = edi; + break; + + case PIPE_BULK: + ed->hwNextED = 0; + if (ohci->ed_bulktail == NULL) { + writel ((long)ed, &ohci->regs->ed_bulkhead); + } else { + ohci->ed_bulktail->hwNextED = m32_swap (ed); + } + ed->ed_prev = ohci->ed_bulktail; + if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] && + !ohci->ed_rm_list[1] && !ohci->sleeping) { + ohci->hc_control |= OHCI_CTRL_BLE; + writel (ohci->hc_control, &ohci->regs->control); + } + ohci->ed_bulktail = edi; + break; + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* unlink an ed from one of the HC chains. + * just the link to the ed is unlinked. + * the link from the ed still points to another operational ed or 0 + * so the HC can eventually finish the processing of the unlinked ed */ + +static int ep_unlink (ohci_t *ohci, ed_t *ed) +{ + ed->hwINFO |= m32_swap (OHCI_ED_SKIP); + + switch (ed->type) { + case PIPE_CONTROL: + if (ed->ed_prev == NULL) { + if (!ed->hwNextED) { + ohci->hc_control &= ~OHCI_CTRL_CLE; + writel (ohci->hc_control, &ohci->regs->control); + } + writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_controlhead); + } else { + ed->ed_prev->hwNextED = ed->hwNextED; + } + if (ohci->ed_controltail == ed) { + ohci->ed_controltail = ed->ed_prev; + } else { + ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; + } + break; + + case PIPE_BULK: + if (ed->ed_prev == NULL) { + if (!ed->hwNextED) { + ohci->hc_control &= ~OHCI_CTRL_BLE; + writel (ohci->hc_control, &ohci->regs->control); + } + writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_bulkhead); + } else { + ed->ed_prev->hwNextED = ed->hwNextED; + } + if (ohci->ed_bulktail == ed) { + ohci->ed_bulktail = ed->ed_prev; + } else { + ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; + } + break; + } + ed->state = ED_UNLINK; + return 0; +} + + +/*-------------------------------------------------------------------------*/ + +/* add/reinit an endpoint; this should be done once at the usb_set_configuration command, + * but the USB stack is a little bit stateless so we do it at every transaction + * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK + * in all other cases the state is left unchanged + * the ed info fields are setted anyway even though most of them should not change */ + +static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) +{ + td_t *td; + ed_t *ed_ret; + volatile ed_t *ed; + + ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint (pipe) << 1) | + (usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))]; + + if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) { + err("ep_add_ed: pending delete"); + /* pending delete request */ + return NULL; + } + + if (ed->state == ED_NEW) { + ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */ + /* dummy td; end of td list for ed */ + td = td_alloc (usb_dev); + ed->hwTailP = m32_swap (td); + ed->hwHeadP = ed->hwTailP; + ed->state = ED_UNLINK; + ed->type = usb_pipetype (pipe); + ohci_dev.ed_cnt++; + } + + ed->hwINFO = m32_swap (usb_pipedevice (pipe) + | usb_pipeendpoint (pipe) << 7 + | (usb_pipeisoc (pipe)? 0x8000: 0) + | (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000)) + | usb_pipeslow (pipe) << 13 + | usb_maxpacket (usb_dev, pipe) << 16); + + return ed_ret; +} + +/*-------------------------------------------------------------------------* + * TD handling functions + *-------------------------------------------------------------------------*/ + +/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */ + +static void td_fill (ohci_t *ohci, unsigned int info, + void *data, int len, + struct usb_device *dev, int index, urb_priv_t *urb_priv) +{ + volatile td_t *td, *td_pt; +#ifdef OHCI_FILL_TRACE + int i; +#endif + + if (index > urb_priv->length) { + err("index > length"); + return; + } + /* use this td as the next dummy */ + td_pt = urb_priv->td [index]; + td_pt->hwNextTD = 0; + + /* fill the old dummy TD */ + td = urb_priv->td [index] = (td_t *)(m32_swap (urb_priv->ed->hwTailP) & ~0xf); + + td->ed = urb_priv->ed; + td->next_dl_td = NULL; + td->index = index; + td->data = (__u32)data; +#ifdef OHCI_FILL_TRACE + if (1 || ((usb_pipetype(urb_priv->pipe) == PIPE_BULK) && usb_pipeout(urb_priv->pipe))) { + for (i = 0; i < len; i++) + printf("td->data[%d] %#2x\n",i, ((unsigned char *)(td->data+0x80000000))[i]); + } +#endif + if (!len) + data = 0; + + td->hwINFO = m32_swap (info); + td->hwCBP = m32_swap (data); + if (data) + td->hwBE = m32_swap (data + len - 1); + else + td->hwBE = 0; + td->hwNextTD = m32_swap (td_pt); + td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); + + /* append to queue */ + td->ed->hwTailP = td->hwNextTD; +} + +/*-------------------------------------------------------------------------*/ + +/* prepare all TDs of a transfer */ + +#define kseg_to_phys(x) ((void *)((__u32)(x) - 0x80000000)) + +static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, urb_priv_t *urb, int interval) +{ + ohci_t *ohci = &gohci; + int data_len = transfer_len; + void *data; + int cnt = 0; + __u32 info = 0; + unsigned int toggle = 0; + + /* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */ + if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) { + toggle = TD_T_TOGGLE; + } else { + toggle = TD_T_DATA0; + usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1); + } + urb->td_cnt = 0; + if (data_len) + data = kseg_to_phys(buffer); + else + data = 0; + + switch (usb_pipetype (pipe)) { + case PIPE_BULK: + info = usb_pipeout (pipe)? + TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ; + while(data_len > 4096) { + td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, dev, cnt, urb); + data += 4096; data_len -= 4096; cnt++; + } + info = usb_pipeout (pipe)? + TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ; + td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, dev, cnt, urb); + cnt++; + + if (!ohci->sleeping) + writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */ + break; + + case PIPE_CONTROL: + info = TD_CC | TD_DP_SETUP | TD_T_DATA0; + td_fill (ohci, info, kseg_to_phys(setup), 8, dev, cnt++, urb); + if (data_len > 0) { + info = usb_pipeout (pipe)? + TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1; + /* NOTE: mishandles transfers >8K, some >4K */ + td_fill (ohci, info, data, data_len, dev, cnt++, urb); + } + info = usb_pipeout (pipe)? + TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1; + td_fill (ohci, info, data, 0, dev, cnt++, urb); + if (!ohci->sleeping) + writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ + break; + } + if (urb->length != cnt) + dbg("TD LENGTH %d != CNT %d", urb->length, cnt); +} + +/*-------------------------------------------------------------------------* + * Done List handling functions + *-------------------------------------------------------------------------*/ + + +/* calculate the transfer length and update the urb */ + +static void dl_transfer_length(td_t * td) +{ + __u32 tdINFO, tdBE, tdCBP; + urb_priv_t *lurb_priv = &urb_priv; + + tdINFO = m32_swap (td->hwINFO); + tdBE = m32_swap (td->hwBE); + tdCBP = m32_swap (td->hwCBP); + + + if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL && + ((td->index == 0) || (td->index == lurb_priv->length - 1)))) { + if (tdBE != 0) { + if (td->hwCBP == 0) + lurb_priv->actual_length += tdBE - td->data + 1; + else + lurb_priv->actual_length += tdCBP - td->data; + } + } +} + +/*-------------------------------------------------------------------------*/ + +/* replies to the request have to be on a FIFO basis so + * we reverse the reversed done-list */ + +static td_t * dl_reverse_done_list (ohci_t *ohci) +{ + __u32 td_list_hc; + td_t *td_rev = NULL; + td_t *td_list = NULL; + urb_priv_t *lurb_priv = NULL; + + td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0; + ohci->hcca->done_head = 0; + + while (td_list_hc) { + td_list = (td_t *)td_list_hc; + + if (TD_CC_GET (m32_swap (td_list->hwINFO))) { + lurb_priv = &urb_priv; + dbg(" USB-error/status: %x : %p", + TD_CC_GET (m32_swap (td_list->hwINFO)), td_list); + if (td_list->ed->hwHeadP & m32_swap (0x1)) { + if (lurb_priv && ((td_list->index + 1) < lurb_priv->length)) { + td_list->ed->hwHeadP = + (lurb_priv->td[lurb_priv->length - 1]->hwNextTD & m32_swap (0xfffffff0)) | + (td_list->ed->hwHeadP & m32_swap (0x2)); + lurb_priv->td_cnt += lurb_priv->length - td_list->index - 1; + } else + td_list->ed->hwHeadP &= m32_swap (0xfffffff2); + } + } + + td_list->next_dl_td = td_rev; + td_rev = td_list; + td_list_hc = m32_swap (td_list->hwNextTD) & 0xfffffff0; + } + return td_list; +} + +/*-------------------------------------------------------------------------*/ + +/* td done list */ +static int dl_done_list (ohci_t *ohci, td_t *td_list) +{ + td_t *td_list_next = NULL; + ed_t *ed; + int cc = 0; + int stat = 0; + /* urb_t *urb; */ + urb_priv_t *lurb_priv; + __u32 tdINFO, edHeadP, edTailP; + + while (td_list) { + td_list_next = td_list->next_dl_td; + + lurb_priv = &urb_priv; + tdINFO = m32_swap (td_list->hwINFO); + + ed = td_list->ed; + + dl_transfer_length(td_list); + + /* error code of transfer */ + cc = TD_CC_GET (tdINFO); + if (cc != 0) { + dbg("ConditionCode %#x", cc); + stat = cc_to_error[cc]; + } + + if (ed->state != ED_NEW) { + edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; + edTailP = m32_swap (ed->hwTailP); + + /* unlink eds if they are not busy */ + if ((edHeadP == edTailP) && (ed->state == ED_OPER)) + ep_unlink (ohci, ed); + } + + td_list = td_list_next; + } + return stat; +} + +/*-------------------------------------------------------------------------* + * Virtual Root Hub + *-------------------------------------------------------------------------*/ + +/* Device descriptor */ +static __u8 root_hub_dev_des[] = +{ + 0x12, /* __u8 bLength; */ + 0x01, /* __u8 bDescriptorType; Device */ + 0x10, /* __u16 bcdUSB; v1.1 */ + 0x01, + 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ + 0x00, /* __u8 bDeviceSubClass; */ + 0x00, /* __u8 bDeviceProtocol; */ + 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ + 0x00, /* __u16 idVendor; */ + 0x00, + 0x00, /* __u16 idProduct; */ + 0x00, + 0x00, /* __u16 bcdDevice; */ + 0x00, + 0x00, /* __u8 iManufacturer; */ + 0x01, /* __u8 iProduct; */ + 0x00, /* __u8 iSerialNumber; */ + 0x01 /* __u8 bNumConfigurations; */ +}; + + +/* Configuration descriptor */ +static __u8 root_hub_config_des[] = +{ + 0x09, /* __u8 bLength; */ + 0x02, /* __u8 bDescriptorType; Configuration */ + 0x19, /* __u16 wTotalLength; */ + 0x00, + 0x01, /* __u8 bNumInterfaces; */ + 0x01, /* __u8 bConfigurationValue; */ + 0x00, /* __u8 iConfiguration; */ + 0x40, /* __u8 bmAttributes; + Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ + 0x00, /* __u8 MaxPower; */ + + /* interface */ + 0x09, /* __u8 if_bLength; */ + 0x04, /* __u8 if_bDescriptorType; Interface */ + 0x00, /* __u8 if_bInterfaceNumber; */ + 0x00, /* __u8 if_bAlternateSetting; */ + 0x01, /* __u8 if_bNumEndpoints; */ + 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ + 0x00, /* __u8 if_bInterfaceSubClass; */ + 0x00, /* __u8 if_bInterfaceProtocol; */ + 0x00, /* __u8 if_iInterface; */ + + /* endpoint */ + 0x07, /* __u8 ep_bLength; */ + 0x05, /* __u8 ep_bDescriptorType; Endpoint */ + 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ + 0x03, /* __u8 ep_bmAttributes; Interrupt */ + 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ + 0x00, + 0xff /* __u8 ep_bInterval; 255 ms */ +}; + +static unsigned char root_hub_str_index0[] = +{ + 0x04, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 0x09, /* __u8 lang ID */ + 0x04, /* __u8 lang ID */ +}; + +static unsigned char root_hub_str_index1[] = +{ + 28, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 'O', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'C', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'I', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'R', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 't', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'u', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'b', /* __u8 Unicode */ + 0, /* __u8 Unicode */ +}; + +/* Hub class-specific descriptor is constructed dynamically */ + + +/*-------------------------------------------------------------------------*/ + +#define OK(x) len = (x); break +#ifdef DEBUG +#define WR_RH_STAT(x) {info("WR:status %#8x", (x));writel((x), &gohci.regs->roothub.status);} +#define WR_RH_PORTSTAT(x) {info("WR:portstatus[%d] %#8x", wIndex-1, (x));writel((x), &gohci.regs->roothub.portstatus[wIndex-1]);} +#else +#define WR_RH_STAT(x) writel((x), &gohci.regs->roothub.status) +#define WR_RH_PORTSTAT(x) writel((x), &gohci.regs->roothub.portstatus[wIndex-1]) +#endif +#define RD_RH_STAT roothub_status(&gohci) +#define RD_RH_PORTSTAT roothub_portstatus(&gohci,wIndex-1) + +/* request to virtual root hub */ + +int rh_check_port_status(ohci_t *controller) +{ + __u32 temp, ndp, i; + int res; + + res = -1; + temp = roothub_a (controller); + ndp = (temp & RH_A_NDP); + for (i = 0; i < ndp; i++) { + temp = roothub_portstatus (controller, i); + /* check for a device disconnect */ + if (((temp & (RH_PS_PESC | RH_PS_CSC)) == + (RH_PS_PESC | RH_PS_CSC)) && + ((temp & RH_PS_CCS) == 0)) { + res = i; + break; + } + } + return res; +} + +static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, + void *buffer, int transfer_len, struct devrequest *cmd) +{ + void * data = buffer; + int leni = transfer_len; + int len = 0; + int stat = 0; + __u32 datab[4]; + __u8 *data_buf = (__u8 *)datab; + __u16 bmRType_bReq; + __u16 wValue; + __u16 wIndex; + __u16 wLength; + +#ifdef DEBUG +urb_priv.actual_length = 0; +pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) { + info("Root-Hub submit IRQ: NOT implemented"); + return 0; + } + + bmRType_bReq = cmd->requesttype | (cmd->request << 8); + wValue = m16_swap (cmd->value); + wIndex = m16_swap (cmd->index); + wLength = m16_swap (cmd->length); + + info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x", + dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength); + + switch (bmRType_bReq) { + /* Request Destination: + without flags: Device, + RH_INTERFACE: interface, + RH_ENDPOINT: endpoint, + RH_CLASS means HUB here, + RH_OTHER | RH_CLASS almost ever means HUB_PORT here + */ + + case RH_GET_STATUS: + *(__u16 *) data_buf = m16_swap (1); OK (2); + case RH_GET_STATUS | RH_INTERFACE: + *(__u16 *) data_buf = m16_swap (0); OK (2); + case RH_GET_STATUS | RH_ENDPOINT: + *(__u16 *) data_buf = m16_swap (0); OK (2); + case RH_GET_STATUS | RH_CLASS: + *(__u32 *) data_buf = m32_swap ( + RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); + OK (4); + case RH_GET_STATUS | RH_OTHER | RH_CLASS: + *(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4); + + case RH_CLEAR_FEATURE | RH_ENDPOINT: + switch (wValue) { + case (RH_ENDPOINT_STALL): OK (0); + } + break; + + case RH_CLEAR_FEATURE | RH_CLASS: + switch (wValue) { + case RH_C_HUB_LOCAL_POWER: + OK(0); + case (RH_C_HUB_OVER_CURRENT): + WR_RH_STAT(RH_HS_OCIC); OK (0); + } + break; + + case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: + switch (wValue) { + case (RH_PORT_ENABLE): + WR_RH_PORTSTAT (RH_PS_CCS ); OK (0); + case (RH_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_POCI); OK (0); + case (RH_PORT_POWER): + WR_RH_PORTSTAT (RH_PS_LSDA); OK (0); + case (RH_C_PORT_CONNECTION): + WR_RH_PORTSTAT (RH_PS_CSC ); OK (0); + case (RH_C_PORT_ENABLE): + WR_RH_PORTSTAT (RH_PS_PESC); OK (0); + case (RH_C_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_PSSC); OK (0); + case (RH_C_PORT_OVER_CURRENT): + WR_RH_PORTSTAT (RH_PS_OCIC); OK (0); + case (RH_C_PORT_RESET): + WR_RH_PORTSTAT (RH_PS_PRSC); OK (0); + } + break; + + case RH_SET_FEATURE | RH_OTHER | RH_CLASS: + switch (wValue) { + case (RH_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_PSS ); OK (0); + case (RH_PORT_RESET): /* BUG IN HUP CODE *********/ + if (RD_RH_PORTSTAT & RH_PS_CCS) + WR_RH_PORTSTAT (RH_PS_PRS); + OK (0); + case (RH_PORT_POWER): + WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); + case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ + if (RD_RH_PORTSTAT & RH_PS_CCS) + WR_RH_PORTSTAT (RH_PS_PES ); + OK (0); + } + break; + + case RH_SET_ADDRESS: gohci.rh.devnum = wValue; OK(0); + + case RH_GET_DESCRIPTOR: + switch ((wValue & 0xff00) >> 8) { + case (0x01): /* device descriptor */ + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_dev_des), + wLength)); + data_buf = root_hub_dev_des; OK(len); + case (0x02): /* configuration descriptor */ + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_config_des), + wLength)); + data_buf = root_hub_config_des; OK(len); + case (0x03): /* string descriptors */ + if(wValue==0x0300) { + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_str_index0), + wLength)); + data_buf = root_hub_str_index0; + OK(len); + } + if(wValue==0x0301) { + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_str_index1), + wLength)); + data_buf = root_hub_str_index1; + OK(len); + } + default: + stat = USB_ST_STALLED; + } + break; + + case RH_GET_DESCRIPTOR | RH_CLASS: + { + __u32 temp = roothub_a (&gohci); + + data_buf [0] = 9; /* min length; */ + data_buf [1] = 0x29; + data_buf [2] = temp & RH_A_NDP; + data_buf [3] = 0; + if (temp & RH_A_PSM) /* per-port power switching? */ + data_buf [3] |= 0x1; + if (temp & RH_A_NOCP) /* no overcurrent reporting? */ + data_buf [3] |= 0x10; + else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */ + data_buf [3] |= 0x8; + + /* corresponds to data_buf[4-7] */ + datab [1] = 0; + data_buf [5] = (temp & RH_A_POTPGT) >> 24; + temp = roothub_b (&gohci); + data_buf [7] = temp & RH_B_DR; + if (data_buf [2] < 7) { + data_buf [8] = 0xff; + } else { + data_buf [0] += 2; + data_buf [8] = (temp & RH_B_DR) >> 8; + data_buf [10] = data_buf [9] = 0xff; + } + + len = min_t(unsigned int, leni, + min_t(unsigned int, data_buf [0], wLength)); + OK (len); + } + + case RH_GET_CONFIGURATION: *(__u8 *) data_buf = 0x01; OK (1); + + case RH_SET_CONFIGURATION: WR_RH_STAT (0x10000); OK (0); + + default: + dbg ("unsupported root hub command"); + stat = USB_ST_STALLED; + } + +#ifdef DEBUG + ohci_dump_roothub (&gohci, 1); +#else + wait_ms(1); +#endif + + len = min_t(int, len, leni); + if (data != data_buf) + memcpy (data, data_buf, len); + dev->act_len = len; + dev->status = stat; + +#ifdef DEBUG + if (transfer_len) + urb_priv.actual_length = transfer_len; + pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/); +#else + wait_ms(1); +#endif + + return stat; +} + +/*-------------------------------------------------------------------------*/ + +/* common code for handling submit messages - used for all but root hub */ +/* accesses. */ +int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, int interval) +{ + int stat = 0; + int maxsize = usb_maxpacket(dev, pipe); + int timeout; + + /* device pulled? Shortcut the action. */ + if (devgone == dev) { + dev->status = USB_ST_CRC_ERR; + return 0; + } + +#ifdef DEBUG + urb_priv.actual_length = 0; + pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if (!maxsize) { + err("submit_common_message: pipesize for pipe %lx is zero", + pipe); + return -1; + } + + if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) { + err("sohci_submit_job failed"); + return -1; + } + + wait_ms(10); + /* ohci_dump_status(&gohci); */ + + /* allow more time for a BULK device to react - some are slow */ +#define BULK_TO 5000 /* timeout in milliseconds */ + if (usb_pipetype (pipe) == PIPE_BULK) + timeout = BULK_TO; + else + timeout = 100; + + timeout *= 4; + /* wait for it to complete */ + for (;;) { + /* check whether the controller is done */ + stat = hc_interrupt(); + if (stat < 0) { + stat = USB_ST_CRC_ERR; + break; + } + if (stat >= 0 && stat != 0xff) { + /* 0xff is returned for an SF-interrupt */ + break; + } + if (--timeout) { + udelay(250); /* wait_ms(1); */ + } else { + err("CTL:TIMEOUT "); + stat = USB_ST_CRC_ERR; + break; + } + } + /* we got an Root Hub Status Change interrupt */ + if (got_rhsc) { +#ifdef DEBUG + ohci_dump_roothub (&gohci, 1); +#endif + got_rhsc = 0; + /* abuse timeout */ + timeout = rh_check_port_status(&gohci); + if (timeout >= 0) { +#if 0 /* this does nothing useful, but leave it here in case that changes */ + /* the called routine adds 1 to the passed value */ + usb_hub_port_connect_change(gohci.rh.dev, timeout - 1); +#endif + /* + * XXX + * This is potentially dangerous because it assumes + * that only one device is ever plugged in! + */ + devgone = dev; + } + } + + dev->status = stat; + dev->act_len = transfer_len; + +#ifdef DEBUG + pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + + /* free TDs in urb_priv */ + urb_free_priv (&urb_priv); + return 0; +} + +/* submit routines called from usb.c */ +int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len) +{ + info("submit_bulk_msg"); + return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, 0); +} + +int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup) +{ + int maxsize = usb_maxpacket(dev, pipe); + + info("submit_control_msg"); +#ifdef DEBUG + urb_priv.actual_length = 0; + pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if (!maxsize) { + err("submit_control_message: pipesize for pipe %lx is zero", + pipe); + return -1; + } + if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) { + gohci.rh.dev = dev; + /* root hub - redirect */ + return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len, + setup); + } + + return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0); +} + +int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, int interval) +{ + info("submit_int_msg"); + return -1; +} + +/*-------------------------------------------------------------------------* + * HC functions + *-------------------------------------------------------------------------*/ + +/* reset the HC and BUS */ + +static int hc_reset (ohci_t *ohci) +{ + int timeout = 30; + int smm_timeout = 50; /* 0,5 sec */ + + if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */ + writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */ + info("USB HC TakeOver from SMM"); + while (readl (&ohci->regs->control) & OHCI_CTRL_IR) { + wait_ms (10); + if (--smm_timeout == 0) { + err("USB HC TakeOver failed!"); + return -1; + } + } + } + + /* Disable HC interrupts */ + writel (OHCI_INTR_MIE, &ohci->regs->intrdisable); + + dbg("USB HC reset_hc usb-%s: ctrl = 0x%X ;", + ohci->slot_name, + readl (&ohci->regs->control)); + + /* Reset USB (needed by some controllers) */ + writel (0, &ohci->regs->control); + + /* HC Reset requires max 10 us delay */ + writel (OHCI_HCR, &ohci->regs->cmdstatus); + while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) { + if (--timeout == 0) { + err("USB HC reset timed out!"); + return -1; + } + udelay (1); + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* Start an OHCI controller, set the BUS operational + * enable interrupts + * connect the virtual root hub */ + +static int hc_start (ohci_t * ohci) +{ + __u32 mask; + unsigned int fminterval; + + ohci->disabled = 1; + + /* Tell the controller where the control and bulk lists are + * The lists are empty now. */ + + writel (0, &ohci->regs->ed_controlhead); + writel (0, &ohci->regs->ed_bulkhead); + + writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */ + + fminterval = 0x2edf; + writel ((fminterval * 9) / 10, &ohci->regs->periodicstart); + fminterval |= ((((fminterval - 210) * 6) / 7) << 16); + writel (fminterval, &ohci->regs->fminterval); + writel (0x628, &ohci->regs->lsthresh); + + /* start controller operations */ + ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; + ohci->disabled = 0; + writel (ohci->hc_control, &ohci->regs->control); + + /* disable all interrupts */ + mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD | + OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC | + OHCI_INTR_OC | OHCI_INTR_MIE); + writel (mask, &ohci->regs->intrdisable); + /* clear all interrupts */ + mask &= ~OHCI_INTR_MIE; + writel (mask, &ohci->regs->intrstatus); + /* Choose the interrupts we care about now - but w/o MIE */ + mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO; + writel (mask, &ohci->regs->intrenable); + +#ifdef OHCI_USE_NPS + /* required for AMD-756 and some Mac platforms */ + writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM, + &ohci->regs->roothub.a); + writel (RH_HS_LPSC, &ohci->regs->roothub.status); +#endif /* OHCI_USE_NPS */ + +#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);}) + /* POTPGT delay is bits 24-31, in 2 ms units. */ + mdelay ((roothub_a (ohci) >> 23) & 0x1fe); + + /* connect the virtual root hub */ + ohci->rh.devnum = 0; + + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* an interrupt happens */ + +static int +hc_interrupt (void) +{ + ohci_t *ohci = &gohci; + struct ohci_regs *regs = ohci->regs; + int ints; + int stat = -1; + + if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { + ints = OHCI_INTR_WDH; + } else { + ints = readl (®s->intrstatus); + } + + /* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */ + + if (ints & OHCI_INTR_RHSC) { + got_rhsc = 1; + } + + if (ints & OHCI_INTR_UE) { + ohci->disabled++; + err ("OHCI Unrecoverable Error, controller usb-%s disabled", + ohci->slot_name); + /* e.g. due to PCI Master/Target Abort */ + +#ifdef DEBUG + ohci_dump (ohci, 1); +#else + wait_ms(1); +#endif + /* FIXME: be optimistic, hope that bug won't repeat often. */ + /* Make some non-interrupt context restart the controller. */ + /* Count and limit the retries though; either hardware or */ + /* software errors can go forever... */ + hc_reset (ohci); + return -1; + } + + if (ints & OHCI_INTR_WDH) { + wait_ms(1); + writel (OHCI_INTR_WDH, ®s->intrdisable); + stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci)); + writel (OHCI_INTR_WDH, ®s->intrenable); + } + + if (ints & OHCI_INTR_SO) { + dbg("USB Schedule overrun\n"); + writel (OHCI_INTR_SO, ®s->intrenable); + stat = -1; + } + + /* FIXME: this assumes SOF (1/ms) interrupts don't get lost... */ + if (ints & OHCI_INTR_SF) { + unsigned int frame = m16_swap (ohci->hcca->frame_no) & 1; + wait_ms(1); + writel (OHCI_INTR_SF, ®s->intrdisable); + if (ohci->ed_rm_list[frame] != NULL) + writel (OHCI_INTR_SF, ®s->intrenable); + stat = 0xff; + } + + writel (ints, ®s->intrstatus); + return stat; +} + +/*-------------------------------------------------------------------------*/ + +/*-------------------------------------------------------------------------*/ + +/* De-allocate all resources.. */ + +static void hc_release_ohci (ohci_t *ohci) +{ + dbg ("USB HC release ohci usb-%s", ohci->slot_name); + + if (!ohci->disabled) + hc_reset (ohci); +} + +/*-------------------------------------------------------------------------*/ + +#define __read_32bit_c0_register(source, sel) \ +({ int __res; \ + if (sel == 0) \ + __asm__ __volatile__( \ + "mfc0\t%0, " #source "\n\t" \ + : "=r" (__res)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mfc0\t%0, " #source ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__res)); \ + __res; \ +}) + +#define read_c0_prid() __read_32bit_c0_register($15, 0) + +/* + * low level initalisation routine, called from usb.c + */ +static char ohci_inited = 0; + +int usb_lowlevel_init(void) +{ + u32 pin_func; + u32 sys_freqctrl, sys_clksrc; + u32 prid = read_c0_prid(); + + dbg("in usb_lowlevel_init\n"); + + /* zero and disable FREQ2 */ + sys_freqctrl = au_readl(SYS_FREQCTRL0); + sys_freqctrl &= ~0xFFF00000; + au_writel(sys_freqctrl, SYS_FREQCTRL0); + + /* zero and disable USBH/USBD clocks */ + sys_clksrc = au_readl(SYS_CLKSRC); + sys_clksrc &= ~0x00007FE0; + au_writel(sys_clksrc, SYS_CLKSRC); + + sys_freqctrl = au_readl(SYS_FREQCTRL0); + sys_freqctrl &= ~0xFFF00000; + + sys_clksrc = au_readl(SYS_CLKSRC); + sys_clksrc &= ~0x00007FE0; + + switch (prid & 0x000000FF) { + case 0x00: /* DA */ + case 0x01: /* HA */ + case 0x02: /* HB */ + /* CPU core freq to 48MHz to slow it way down... */ + au_writel(4, SYS_CPUPLL); + + /* + * Setup 48MHz FREQ2 from CPUPLL for USB Host + */ + /* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */ + sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20)); + au_writel(sys_freqctrl, SYS_FREQCTRL0); + + /* CPU core freq to 384MHz */ + au_writel(0x20, SYS_CPUPLL); + + printf("Au1000: 48MHz OHCI workaround enabled\n"); + break; + + default: /* HC and newer */ + /* FREQ2 = aux/2 = 48 MHz */ + sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); + au_writel(sys_freqctrl, SYS_FREQCTRL0); + break; + } + + /* + * Route 48MHz FREQ2 into USB Host and/or Device + */ + sys_clksrc |= ((4<<12) | (0<<11) | (0<<10)); + au_writel(sys_clksrc, SYS_CLKSRC); + + /* configure pins GPIO[14:9] as GPIO */ + pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080); + + au_writel(pin_func, SYS_PINFUNC); + au_writel(0x2800, SYS_TRIOUTCLR); + au_writel(0x0030, SYS_OUTPUTCLR); + + dbg("OHCI board setup complete\n"); + + /* enable host controller */ + au_writel(USBH_ENABLE_CE, USB_HOST_CONFIG); + udelay(1000); + au_writel(USBH_ENABLE_INIT, USB_HOST_CONFIG); + udelay(1000); + + /* wait for reset complete (read register twice; see au1500 errata) */ + while (au_readl(USB_HOST_CONFIG), + !(au_readl(USB_HOST_CONFIG) & USBH_ENABLE_RD)) + udelay(1000); + + dbg("OHCI clock running\n"); + + memset (&gohci, 0, sizeof (ohci_t)); + memset (&urb_priv, 0, sizeof (urb_priv_t)); + + /* align the storage */ + if ((__u32)&ghcca[0] & 0xff) { + err("HCCA not aligned!!"); + return -1; + } + phcca = &ghcca[0]; + info("aligned ghcca %p", phcca); + memset(&ohci_dev, 0, sizeof(struct ohci_device)); + if ((__u32)&ohci_dev.ed[0] & 0x7) { + err("EDs not aligned!!"); + return -1; + } + memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1)); + if ((__u32)gtd & 0x7) { + err("TDs not aligned!!"); + return -1; + } + ptd = gtd; + gohci.hcca = phcca; + memset (phcca, 0, sizeof (struct ohci_hcca)); + + gohci.disabled = 1; + gohci.sleeping = 0; + gohci.irq = -1; + gohci.regs = (struct ohci_regs *)(USB_OHCI_BASE | 0xA0000000); + + gohci.flags = 0; + gohci.slot_name = "au1x00"; + + dbg("OHCI revision: 0x%08x\n" + " RH: a: 0x%08x b: 0x%08x\n", + readl(&gohci.regs->revision), + readl(&gohci.regs->roothub.a), readl(&gohci.regs->roothub.b)); + + if (hc_reset (&gohci) < 0) + goto errout; + + /* FIXME this is a second HC reset; why?? */ + writel (gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control); + wait_ms (10); + + if (hc_start (&gohci) < 0) + goto errout; + +#ifdef DEBUG + ohci_dump (&gohci, 1); +#else + wait_ms(1); +#endif + ohci_inited = 1; + return 0; + + errout: + err("OHCI initialization error\n"); + hc_release_ohci (&gohci); + /* Initialization failed */ + au_writel(readl(USB_HOST_CONFIG) & ~USBH_ENABLE_CE, USB_HOST_CONFIG); + return -1; +} + +int usb_lowlevel_stop(void) +{ + /* this gets called really early - before the controller has */ + /* even been initialized! */ + if (!ohci_inited) + return 0; + /* TODO release any interrupts, etc. */ + /* call hc_release_ohci() here ? */ + hc_reset (&gohci); + /* may not want to do this */ + /* Disable clock */ + au_writel(readl(USB_HOST_CONFIG) & ~USBH_ENABLE_CE, USB_HOST_CONFIG); + return 0; +} + +#endif /* CONFIG_USB_OHCI */ diff --git a/cpu/mips/au1x00_usb_ohci.h b/cpu/mips/au1x00_usb_ohci.h new file mode 100644 index 0000000..4ef06ff --- /dev/null +++ b/cpu/mips/au1x00_usb_ohci.h @@ -0,0 +1,416 @@ +/* + * URB OHCI HCD (Host Controller Driver) for USB. + * + * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> + * (C) Copyright 2000-2001 David Brownell <dbrownell@users.sourceforge.net> + * + * usb-ohci.h + */ + + +static int cc_to_error[16] = { + +/* mapping of the OHCI CC status to error codes */ + /* No Error */ 0, + /* CRC Error */ USB_ST_CRC_ERR, + /* Bit Stuff */ USB_ST_BIT_ERR, + /* Data Togg */ USB_ST_CRC_ERR, + /* Stall */ USB_ST_STALLED, + /* DevNotResp */ -1, + /* PIDCheck */ USB_ST_BIT_ERR, + /* UnExpPID */ USB_ST_BIT_ERR, + /* DataOver */ USB_ST_BUF_ERR, + /* DataUnder */ USB_ST_BUF_ERR, + /* reservd */ -1, + /* reservd */ -1, + /* BufferOver */ USB_ST_BUF_ERR, + /* BuffUnder */ USB_ST_BUF_ERR, + /* Not Access */ -1, + /* Not Access */ -1 +}; + +/* ED States */ + +#define ED_NEW 0x00 +#define ED_UNLINK 0x01 +#define ED_OPER 0x02 +#define ED_DEL 0x04 +#define ED_URB_DEL 0x08 + +/* usb_ohci_ed */ +struct ed { + __u32 hwINFO; + __u32 hwTailP; + __u32 hwHeadP; + __u32 hwNextED; + + struct ed *ed_prev; + __u8 int_period; + __u8 int_branch; + __u8 int_load; + __u8 int_interval; + __u8 state; + __u8 type; + __u16 last_iso; + struct ed *ed_rm_list; + + struct usb_device *usb_dev; + __u32 unused[3]; +} __attribute((aligned(16))); +typedef struct ed ed_t; + + +/* TD info field */ +#define TD_CC 0xf0000000 +#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f) +#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28) +#define TD_EC 0x0C000000 +#define TD_T 0x03000000 +#define TD_T_DATA0 0x02000000 +#define TD_T_DATA1 0x03000000 +#define TD_T_TOGGLE 0x00000000 +#define TD_R 0x00040000 +#define TD_DI 0x00E00000 +#define TD_DI_SET(X) (((X) & 0x07)<< 21) +#define TD_DP 0x00180000 +#define TD_DP_SETUP 0x00000000 +#define TD_DP_IN 0x00100000 +#define TD_DP_OUT 0x00080000 + +#define TD_ISO 0x00010000 +#define TD_DEL 0x00020000 + +/* CC Codes */ +#define TD_CC_NOERROR 0x00 +#define TD_CC_CRC 0x01 +#define TD_CC_BITSTUFFING 0x02 +#define TD_CC_DATATOGGLEM 0x03 +#define TD_CC_STALL 0x04 +#define TD_DEVNOTRESP 0x05 +#define TD_PIDCHECKFAIL 0x06 +#define TD_UNEXPECTEDPID 0x07 +#define TD_DATAOVERRUN 0x08 +#define TD_DATAUNDERRUN 0x09 +#define TD_BUFFEROVERRUN 0x0C +#define TD_BUFFERUNDERRUN 0x0D +#define TD_NOTACCESSED 0x0F + + +#define MAXPSW 1 + +struct td { + __u32 hwINFO; + __u32 hwCBP; /* Current Buffer Pointer */ + __u32 hwNextTD; /* Next TD Pointer */ + __u32 hwBE; /* Memory Buffer End Pointer */ + + __u16 hwPSW[MAXPSW]; + __u8 unused; + __u8 index; + struct ed *ed; + struct td *next_dl_td; + struct usb_device *usb_dev; + int transfer_len; + __u32 data; + + __u32 unused2[2]; +} __attribute((aligned(32))); +typedef struct td td_t; + +#define OHCI_ED_SKIP (1 << 14) + +/* + * The HCCA (Host Controller Communications Area) is a 256 byte + * structure defined in the OHCI spec. that the host controller is + * told the base address of. It must be 256-byte aligned. + */ + +#define NUM_INTS 32 /* part of the OHCI standard */ +struct ohci_hcca { + __u32 int_table[NUM_INTS]; /* Interrupt ED table */ + __u16 frame_no; /* current frame number */ + __u16 pad1; /* set to 0 on each frame_no change */ + __u32 done_head; /* info returned for an interrupt */ + u8 reserved_for_hc[116]; +} __attribute((aligned(256))); + + +/* + * Maximum number of root hub ports. + */ +#define MAX_ROOT_PORTS 15 /* maximum OHCI root hub ports */ + +/* + * This is the structure of the OHCI controller's memory mapped I/O + * region. This is Memory Mapped I/O. You must use the readl() and + * writel() macros defined in asm/io.h to access these!! + */ +struct ohci_regs { + /* control and status registers */ + __u32 revision; + __u32 control; + __u32 cmdstatus; + __u32 intrstatus; + __u32 intrenable; + __u32 intrdisable; + /* memory pointers */ + __u32 hcca; + __u32 ed_periodcurrent; + __u32 ed_controlhead; + __u32 ed_controlcurrent; + __u32 ed_bulkhead; + __u32 ed_bulkcurrent; + __u32 donehead; + /* frame counters */ + __u32 fminterval; + __u32 fmremaining; + __u32 fmnumber; + __u32 periodicstart; + __u32 lsthresh; + /* Root hub ports */ + struct ohci_roothub_regs { + __u32 a; + __u32 b; + __u32 status; + __u32 portstatus[MAX_ROOT_PORTS]; + } roothub; +} __attribute((aligned(32))); + + +/* OHCI CONTROL AND STATUS REGISTER MASKS */ + +/* + * HcControl (control) register masks + */ +#define OHCI_CTRL_CBSR (3 << 0) /* control/bulk service ratio */ +#define OHCI_CTRL_PLE (1 << 2) /* periodic list enable */ +#define OHCI_CTRL_IE (1 << 3) /* isochronous enable */ +#define OHCI_CTRL_CLE (1 << 4) /* control list enable */ +#define OHCI_CTRL_BLE (1 << 5) /* bulk list enable */ +#define OHCI_CTRL_HCFS (3 << 6) /* host controller functional state */ +#define OHCI_CTRL_IR (1 << 8) /* interrupt routing */ +#define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ +#define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */ + +/* pre-shifted values for HCFS */ +# define OHCI_USB_RESET (0 << 6) +# define OHCI_USB_RESUME (1 << 6) +# define OHCI_USB_OPER (2 << 6) +# define OHCI_USB_SUSPEND (3 << 6) + +/* + * HcCommandStatus (cmdstatus) register masks + */ +#define OHCI_HCR (1 << 0) /* host controller reset */ +#define OHCI_CLF (1 << 1) /* control list filled */ +#define OHCI_BLF (1 << 2) /* bulk list filled */ +#define OHCI_OCR (1 << 3) /* ownership change request */ +#define OHCI_SOC (3 << 16) /* scheduling overrun count */ + +/* + * masks used with interrupt registers: + * HcInterruptStatus (intrstatus) + * HcInterruptEnable (intrenable) + * HcInterruptDisable (intrdisable) + */ +#define OHCI_INTR_SO (1 << 0) /* scheduling overrun */ +#define OHCI_INTR_WDH (1 << 1) /* writeback of done_head */ +#define OHCI_INTR_SF (1 << 2) /* start frame */ +#define OHCI_INTR_RD (1 << 3) /* resume detect */ +#define OHCI_INTR_UE (1 << 4) /* unrecoverable error */ +#define OHCI_INTR_FNO (1 << 5) /* frame number overflow */ +#define OHCI_INTR_RHSC (1 << 6) /* root hub status change */ +#define OHCI_INTR_OC (1 << 30) /* ownership change */ +#define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */ + + +/* Virtual Root HUB */ +struct virt_root_hub { + int devnum; /* Address of Root Hub endpoint */ + void *dev; /* was urb */ + void *int_addr; + int send; + int interval; +}; + +/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */ + +/* destination of request */ +#define RH_INTERFACE 0x01 +#define RH_ENDPOINT 0x02 +#define RH_OTHER 0x03 + +#define RH_CLASS 0x20 +#define RH_VENDOR 0x40 + +/* Requests: bRequest << 8 | bmRequestType */ +#define RH_GET_STATUS 0x0080 +#define RH_CLEAR_FEATURE 0x0100 +#define RH_SET_FEATURE 0x0300 +#define RH_SET_ADDRESS 0x0500 +#define RH_GET_DESCRIPTOR 0x0680 +#define RH_SET_DESCRIPTOR 0x0700 +#define RH_GET_CONFIGURATION 0x0880 +#define RH_SET_CONFIGURATION 0x0900 +#define RH_GET_STATE 0x0280 +#define RH_GET_INTERFACE 0x0A80 +#define RH_SET_INTERFACE 0x0B00 +#define RH_SYNC_FRAME 0x0C80 +/* Our Vendor Specific Request */ +#define RH_SET_EP 0x2000 + + +/* Hub port features */ +#define RH_PORT_CONNECTION 0x00 +#define RH_PORT_ENABLE 0x01 +#define RH_PORT_SUSPEND 0x02 +#define RH_PORT_OVER_CURRENT 0x03 +#define RH_PORT_RESET 0x04 +#define RH_PORT_POWER 0x08 +#define RH_PORT_LOW_SPEED 0x09 + +#define RH_C_PORT_CONNECTION 0x10 +#define RH_C_PORT_ENABLE 0x11 +#define RH_C_PORT_SUSPEND 0x12 +#define RH_C_PORT_OVER_CURRENT 0x13 +#define RH_C_PORT_RESET 0x14 + +/* Hub features */ +#define RH_C_HUB_LOCAL_POWER 0x00 +#define RH_C_HUB_OVER_CURRENT 0x01 + +#define RH_DEVICE_REMOTE_WAKEUP 0x00 +#define RH_ENDPOINT_STALL 0x01 + +#define RH_ACK 0x01 +#define RH_REQ_ERR -1 +#define RH_NACK 0x00 + + +/* OHCI ROOT HUB REGISTER MASKS */ + +/* roothub.portstatus [i] bits */ +#define RH_PS_CCS 0x00000001 /* current connect status */ +#define RH_PS_PES 0x00000002 /* port enable status*/ +#define RH_PS_PSS 0x00000004 /* port suspend status */ +#define RH_PS_POCI 0x00000008 /* port over current indicator */ +#define RH_PS_PRS 0x00000010 /* port reset status */ +#define RH_PS_PPS 0x00000100 /* port power status */ +#define RH_PS_LSDA 0x00000200 /* low speed device attached */ +#define RH_PS_CSC 0x00010000 /* connect status change */ +#define RH_PS_PESC 0x00020000 /* port enable status change */ +#define RH_PS_PSSC 0x00040000 /* port suspend status change */ +#define RH_PS_OCIC 0x00080000 /* over current indicator change */ +#define RH_PS_PRSC 0x00100000 /* port reset status change */ + +/* roothub.status bits */ +#define RH_HS_LPS 0x00000001 /* local power status */ +#define RH_HS_OCI 0x00000002 /* over current indicator */ +#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ +#define RH_HS_LPSC 0x00010000 /* local power status change */ +#define RH_HS_OCIC 0x00020000 /* over current indicator change */ +#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ + +/* roothub.b masks */ +#define RH_B_DR 0x0000ffff /* device removable flags */ +#define RH_B_PPCM 0xffff0000 /* port power control mask */ + +/* roothub.a masks */ +#define RH_A_NDP (0xff << 0) /* number of downstream ports */ +#define RH_A_PSM (1 << 8) /* power switching mode */ +#define RH_A_NPS (1 << 9) /* no power switching */ +#define RH_A_DT (1 << 10) /* device type (mbz) */ +#define RH_A_OCPM (1 << 11) /* over current protection mode */ +#define RH_A_NOCP (1 << 12) /* no over current protection */ +#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ + +/* urb */ +#define N_URB_TD 48 +typedef struct +{ + ed_t *ed; + __u16 length; /* number of tds associated with this request */ + __u16 td_cnt; /* number of tds already serviced */ + int state; + unsigned long pipe; + int actual_length; + td_t *td[N_URB_TD]; /* list pointer to all corresponding TDs associated with this request */ +} urb_priv_t; +#define URB_DEL 1 + +/* + * This is the full ohci controller description + * + * Note how the "proper" USB information is just + * a subset of what the full implementation needs. (Linus) + */ + + +typedef struct ohci { + struct ohci_hcca *hcca; /* hcca */ + /*dma_addr_t hcca_dma;*/ + + int irq; + int disabled; /* e.g. got a UE, we're hung */ + int sleeping; + unsigned long flags; /* for HC bugs */ + + struct ohci_regs *regs; /* OHCI controller's memory */ + + ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */ + ed_t *ed_bulktail; /* last endpoint of bulk list */ + ed_t *ed_controltail; /* last endpoint of control list */ + int intrstatus; + __u32 hc_control; /* copy of the hc control reg */ + struct usb_device *dev[32]; + struct virt_root_hub rh; + + const char *slot_name; +} ohci_t; + +#define NUM_EDS 8 /* num of preallocated endpoint descriptors */ + +struct ohci_device { + ed_t ed[NUM_EDS]; + int ed_cnt; +}; + +/* hcd */ +/* endpoint */ +static int ep_link(ohci_t * ohci, ed_t * ed); +static int ep_unlink(ohci_t * ohci, ed_t * ed); +static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe); + +/*-------------------------------------------------------------------------*/ + +/* we need more TDs than EDs */ +#define NUM_TD 64 + +/* +1 so we can align the storage */ +td_t gtd[NUM_TD+1]; +/* pointers to aligned storage */ +td_t *ptd; + +/* TDs ... */ +static inline struct td * +td_alloc (struct usb_device *usb_dev) +{ + int i; + struct td *td; + + td = NULL; + for (i = 0; i < NUM_TD; i++) { + if (ptd[i].usb_dev == NULL) { + td = &ptd[i]; + td->usb_dev = usb_dev; + break; + } + } + return td; +} + +static inline void +ed_free (struct ed *ed) +{ + ed->usb_dev = NULL; +} diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk index fd10747..c357615 100644 --- a/cpu/mips/config.mk +++ b/cpu/mips/config.mk @@ -26,7 +26,7 @@ MIPSFLAGS=$(shell \ if [ "$v" -lt "14" ]; then \ echo "-mcpu=4kc"; \ else \ - echo "-march=4kc -mtune=4kc -Wa,-mips_allow_branch_to_undefined"; \ + echo "-march=4kc -mtune=4kc"; \ fi) ifneq (,$(findstring 4KCle,$(CROSS_COMPILE))) diff --git a/cpu/mips/incaip_clock.c b/cpu/mips/incaip_clock.c index 65ee847..d0515ca 100644 --- a/cpu/mips/incaip_clock.c +++ b/cpu/mips/incaip_clock.c @@ -102,7 +102,7 @@ int incaip_set_cpuclk (void) extern void ebu_init(long); extern void cgu_init(long); extern void sdram_init(long); - uchar tmp[64]; + char tmp[64]; ulong cpuclk; if (getenv_r ("cpuclk", tmp, sizeof (tmp)) > 0) { diff --git a/cpu/mips/start.S b/cpu/mips/start.S index ff105a4..e91e213 100644 --- a/cpu/mips/start.S +++ b/cpu/mips/start.S @@ -234,21 +234,34 @@ reset: li t0, CONF_CM_UNCACHED mtc0 t0, CP0_CONFIG + /* Initialize GOT pointer. + */ + bal 1f + nop + .word _GLOBAL_OFFSET_TABLE_ + 1: + move gp, ra + lw t1, 0(ra) + move gp, t1 + #ifdef CONFIG_INCA_IP /* Disable INCA-IP Watchdog. */ - bal disable_incaip_wdt + la t9, disable_incaip_wdt + jalr t9 nop #endif /* Initialize any external memory. */ - bal lowlevel_init + la t9, lowlevel_init + jalr t9 nop /* Initialize caches... */ - bal mips_cache_reset + la t9, mips_cache_reset + jalr t9 nop /* ... and enable them. @@ -260,21 +273,13 @@ reset: /* Set up temporary stack. */ li a0, CFG_INIT_SP_OFFSET - bal mips_cache_lock + la t9, mips_cache_lock + jalr t9 nop li t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET la sp, 0(t0) - /* Initialize GOT pointer. - */ - bal 1f - nop - .word _GLOBAL_OFFSET_TABLE_ - 1f + 4 -1: - move gp, ra - lw t1, 0(ra) - add gp, t1 la t9, board_init_f j t9 nop diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c index d293107..86c8ce6 100644 --- a/cpu/mpc5xxx/fec.c +++ b/cpu/mpc5xxx/fec.c @@ -19,9 +19,13 @@ #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ defined(CONFIG_MPC5xxx_FEC) +#if !(defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)) +#error "CONFIG_MII has to be defined!" +#endif + #if (DEBUG & 0x60) -static void tfifo_print(mpc5xxx_fec_priv *fec); -static void rfifo_print(mpc5xxx_fec_priv *fec); +static void tfifo_print(char *devname, mpc5xxx_fec_priv *fec); +static void rfifo_print(char *devname, mpc5xxx_fec_priv *fec); #endif /* DEBUG */ #if (DEBUG & 0x40) @@ -35,9 +39,12 @@ typedef struct { uint8 head[16]; /* MAC header(6 + 6 + 2) + 2(aligned) */ } NBUF; +int fec5xxx_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * retVal); +int fec5xxx_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 data); + /********************************************************************/ #if (DEBUG & 0x2) -static void mpc5xxx_fec_phydump (void) +static void mpc5xxx_fec_phydump (char *devname) { uint16 phyStatus, i; uint8 phyAddr = CONFIG_PHY_ADDR; @@ -55,7 +62,7 @@ static void mpc5xxx_fec_phydump (void) for (i = 0; i < 32; i++) { if (reg_mask[i]) { - miiphy_read(phyAddr, i, &phyStatus); + miiphy_read(devname, phyAddr, i, &phyStatus); printf("Mii reg %d: 0x%04x\n", i, phyStatus); } } @@ -291,7 +298,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis) /* * Set Rx FIFO alarm and granularity value */ - fec->eth->rfifo_cntrl = 0x0c000000; + fec->eth->rfifo_cntrl = 0x0c000000 + | (fec->eth->rfifo_cntrl & ~0x0f000000); fec->eth->rfifo_alarm = 0x0000030c; #if (DEBUG & 0x22) if (fec->eth->rfifo_status & 0x00700000 ) { @@ -302,7 +310,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis) /* * Set Tx FIFO granularity value */ - fec->eth->tfifo_cntrl = 0x0c000000; + fec->eth->tfifo_cntrl = 0x0c000000 + | (fec->eth->tfifo_cntrl & ~0x0f000000); #if (DEBUG & 0x2) printf("tfifo_status: 0x%08x\n", fec->eth->tfifo_status); printf("tfifo_alarm: 0x%08x\n", fec->eth->tfifo_alarm); @@ -318,7 +327,7 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis) * Set individual address filter for unicast address * and set physical address registers. */ - mpc5xxx_fec_set_hwaddr(fec, dev->enetaddr); + mpc5xxx_fec_set_hwaddr(fec, (char *)dev->enetaddr); /* * Set multicast address filter @@ -455,7 +464,7 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) /* * Reset PHY, then delay 300ns */ - miiphy_write(phyAddr, 0x0, 0x8000); + miiphy_write(dev->name, phyAddr, 0x0, 0x8000); udelay(1000); if (fec->xcv_type == MII10) { @@ -465,11 +474,11 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) #if (DEBUG & 0x2) printf("Forcing 10 Mbps ethernet link... "); #endif - miiphy_read(phyAddr, 0x1, &phyStatus); + miiphy_read(dev->name, phyAddr, 0x1, &phyStatus); /* - miiphy_write(fec, phyAddr, 0x0, 0x0100); + miiphy_write(dev->name, fec, phyAddr, 0x0, 0x0100); */ - miiphy_write(phyAddr, 0x0, 0x0180); + miiphy_write(dev->name, phyAddr, 0x0, 0x0180); timeout = 20; do { /* wait for link status to go down */ @@ -480,7 +489,7 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) #endif break; } - miiphy_read(phyAddr, 0x1, &phyStatus); + miiphy_read(dev->name, phyAddr, 0x1, &phyStatus); #if (DEBUG & 0x2) printf("="); #endif @@ -493,7 +502,7 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) printf("failed. Link is down.\n"); break; } - miiphy_read(phyAddr, 0x1, &phyStatus); + miiphy_read(dev->name, phyAddr, 0x1, &phyStatus); #if (DEBUG & 0x2) printf("+"); #endif @@ -506,12 +515,12 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) /* * Set the auto-negotiation advertisement register bits */ - miiphy_write(phyAddr, 0x4, 0x01e1); + miiphy_write(dev->name, phyAddr, 0x4, 0x01e1); /* * Set MDIO bit 0.12 = 1(&& bit 0.9=1?) to enable auto-negotiation */ - miiphy_write(phyAddr, 0x0, 0x1200); + miiphy_write(dev->name, phyAddr, 0x0, 0x1200); /* * Wait for AN completion @@ -527,7 +536,7 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) return -1; } - if (miiphy_read(phyAddr, 0x1, &phyStatus) != 0) { + if (miiphy_read(dev->name, phyAddr, 0x1, &phyStatus) != 0) { #if (DEBUG & 0x2) printf("PHY auto neg 1 failed 0x%04x...\n", phyStatus); #endif @@ -544,7 +553,7 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) #if (DEBUG & 0x2) if (fec->xcv_type != SEVENWIRE) - mpc5xxx_fec_phydump (); + mpc5xxx_fec_phydump (dev->name); #endif @@ -629,7 +638,7 @@ static void mpc5xxx_fec_halt(struct eth_device *dev) #if (DEBUG & 0x60) /********************************************************************/ -static void tfifo_print(mpc5xxx_fec_priv *fec) +static void tfifo_print(char *devname, mpc5xxx_fec_priv *fec) { uint16 phyAddr = CONFIG_PHY_ADDR; uint16 phyStatus; @@ -637,7 +646,7 @@ static void tfifo_print(mpc5xxx_fec_priv *fec) if ((fec->eth->tfifo_lrf_ptr != fec->eth->tfifo_lwf_ptr) || (fec->eth->tfifo_rdptr != fec->eth->tfifo_wrptr)) { - miiphy_read(phyAddr, 0x1, &phyStatus); + miiphy_read(devname, phyAddr, 0x1, &phyStatus); printf("\nphyStatus: 0x%04x\n", phyStatus); printf("ecntrl: 0x%08x\n", fec->eth->ecntrl); printf("ievent: 0x%08x\n", fec->eth->ievent); @@ -653,7 +662,7 @@ static void tfifo_print(mpc5xxx_fec_priv *fec) } } -static void rfifo_print(mpc5xxx_fec_priv *fec) +static void rfifo_print(char *devname, mpc5xxx_fec_priv *fec) { uint16 phyAddr = CONFIG_PHY_ADDR; uint16 phyStatus; @@ -661,7 +670,7 @@ static void rfifo_print(mpc5xxx_fec_priv *fec) if ((fec->eth->rfifo_lrf_ptr != fec->eth->rfifo_lwf_ptr) || (fec->eth->rfifo_rdptr != fec->eth->rfifo_wrptr)) { - miiphy_read(phyAddr, 0x1, &phyStatus); + miiphy_read(devname, phyAddr, 0x1, &phyStatus); printf("\nphyStatus: 0x%04x\n", phyStatus); printf("ecntrl: 0x%08x\n", fec->eth->ecntrl); printf("ievent: 0x%08x\n", fec->eth->ievent); @@ -692,7 +701,7 @@ static int mpc5xxx_fec_send(struct eth_device *dev, volatile void *eth_data, #if (DEBUG & 0x20) printf("tbd status: 0x%04x\n", fec->tbdBase[0].status); - tfifo_print(fec); + tfifo_print(dev->name, fec); #endif /* @@ -735,7 +744,7 @@ static int mpc5xxx_fec_send(struct eth_device *dev, volatile void *eth_data, */ if (fec->xcv_type != SEVENWIRE) { uint16 phyStatus; - miiphy_read(0, 0x1, &phyStatus); + miiphy_read(dev->name, 0, 0x1, &phyStatus); } /* @@ -743,11 +752,11 @@ static int mpc5xxx_fec_send(struct eth_device *dev, volatile void *eth_data, */ #if (DEBUG & 0x20) - tfifo_print(fec); + tfifo_print(dev->name, fec); #endif SDMA_TASK_ENABLE (FEC_XMIT_TASK_NO); #if (DEBUG & 0x20) - tfifo_print(fec); + tfifo_print(dev->name, fec); #endif #if (DEBUG & 0x8) printf( "+" ); @@ -783,7 +792,7 @@ static int mpc5xxx_fec_recv(struct eth_device *dev) unsigned long ievent; int frame_length, len = 0; NBUF *frame; - char buff[FEC_MAX_PKT_SIZE]; + uchar buff[FEC_MAX_PKT_SIZE]; #if (DEBUG & 0x1) printf ("mpc5xxx_fec_recv %d Start...\n", fec->rbdIndex); @@ -872,7 +881,7 @@ int mpc5xxx_fec_initialize(bd_t * bis) #if defined(CONFIG_CANMB) || defined(CONFIG_HMI1001) || \ defined(CONFIG_ICECUBE) || defined(CONFIG_INKA4X0) || \ defined(CONFIG_PM520) || defined(CONFIG_TOP5200) || \ - defined(CONFIG_TQM5200) + defined(CONFIG_TQM5200) || defined(CONFIG_O2DNT) # ifndef CONFIG_FEC_10MBIT fec->xcv_type = MII100; # else @@ -894,6 +903,11 @@ int mpc5xxx_fec_initialize(bd_t * bis) sprintf(dev->name, "FEC ETHERNET"); eth_register(dev); +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register (dev->name, + fec5xxx_miiphy_read, fec5xxx_miiphy_write); +#endif + /* * Try to set the mac address now. The fec mac address is * a garbage after reset. When not using fec for booting @@ -910,12 +924,13 @@ int mpc5xxx_fec_initialize(bd_t * bis) } mpc5xxx_fec_init_phy(dev, bis); + return 1; } /* MII-interface related functions */ /********************************************************************/ -int miiphy_read(uint8 phyAddr, uint8 regAddr, uint16 * retVal) +int fec5xxx_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * retVal) { ethernet_regs *eth = (ethernet_regs *)MPC5XXX_FEC; uint32 reg; /* convenient holder for the PHY register */ @@ -957,7 +972,7 @@ int miiphy_read(uint8 phyAddr, uint8 regAddr, uint16 * retVal) } /********************************************************************/ -int miiphy_write(uint8 phyAddr, uint8 regAddr, uint16 data) +int fec5xxx_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 data) { ethernet_regs *eth = (ethernet_regs *)MPC5XXX_FEC; uint32 reg; /* convenient holder for the PHY register */ diff --git a/cpu/mpc5xxx/i2c.c b/cpu/mpc5xxx/i2c.c index 845f7c0..044db46 100644 --- a/cpu/mpc5xxx/i2c.c +++ b/cpu/mpc5xxx/i2c.c @@ -55,8 +55,9 @@ static int mpc_get_fdr (int); static int mpc_reg_in(volatile u32 *reg) { - return *reg >> 24; + int ret = *reg >> 24; __asm__ __volatile__ ("eieio"); + return ret; } static void mpc_reg_out(volatile u32 *reg, int val, int mask) @@ -298,7 +299,7 @@ int i2c_probe(uchar chip) int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len) { - uchar xaddr[4]; + char xaddr[4]; struct mpc5xxx_i2c * regs = (struct mpc5xxx_i2c *)I2C_BASE; int ret = -1; @@ -329,7 +330,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len) goto Done; } - if (receive_bytes(chip, buf, len)) { + if (receive_bytes(chip, (char *)buf, len)) { printf("i2c_read: receive_bytes failed\n"); goto Done; } @@ -342,7 +343,7 @@ Done: int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len) { - uchar xaddr[4]; + char xaddr[4]; struct mpc5xxx_i2c *regs = (struct mpc5xxx_i2c *)I2C_BASE; int ret = -1; @@ -367,7 +368,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len) goto Done; } - if (send_bytes(chip, buf, len)) { + if (send_bytes(chip, (char *)buf, len)) { printf("i2c_write: send_bytes failed\n"); goto Done; } @@ -380,7 +381,7 @@ Done: uchar i2c_reg_read(uchar chip, uchar reg) { - char buf; + uchar buf; i2c_read(chip, reg, 1, &buf, 1); diff --git a/cpu/mpc5xxx/pci_mpc5200.c b/cpu/mpc5xxx/pci_mpc5200.c index 490fcd2..1d90345 100644 --- a/cpu/mpc5xxx/pci_mpc5200.c +++ b/cpu/mpc5xxx/pci_mpc5200.c @@ -49,7 +49,21 @@ static int mpc5200_read_config_dword(struct pci_controller *hose, *(volatile u32 *)MPC5XXX_PCI_CAR = (1 << 31) | dev | offset; eieio(); udelay(10); +#if (defined CONFIG_PF5200 || defined CONFIG_CPCI5200) + if (dev & 0x00ff0000) { + u32 val; + val = in_le16((volatile u16 *)(CONFIG_PCI_IO_PHYS+2)); + udelay(10); + val = val << 16; + val |= in_le16((volatile u16 *)(CONFIG_PCI_IO_PHYS+0)); + *value = val; + } else { + *value = in_le32((volatile u32 *)CONFIG_PCI_IO_PHYS); + } + udelay(10); +#else *value = in_le32((volatile u32 *)CONFIG_PCI_IO_PHYS); +#endif eieio(); *(volatile u32 *)MPC5XXX_PCI_CAR = 0; udelay(10); @@ -131,7 +145,11 @@ void pci_mpc5xxx_init (struct pci_controller *hose) /* Disable interrupts from PCI controller */ *(vu_long *)MPC5XXX_PCI_GSCR &= ~(7 << 12); - *(vu_long *)MPC5XXX_PCI_ICR &= ~(7 << 24); + *(vu_long *)MPC5XXX_PCI_ICR &= ~(7 << 24); + + /* Set PCI retry counter to 0 = infinite retry. */ + /* The default of 255 is too short for slow devices. */ + *(vu_long *)MPC5XXX_PCI_ICR &= 0xFFFFFF00; /* Disable initiator windows */ *(vu_long *)MPC5XXX_PCI_IWCR = 0; diff --git a/cpu/mpc5xxx/serial.c b/cpu/mpc5xxx/serial.c index 1e9628c..91e1def 100644 --- a/cpu/mpc5xxx/serial.c +++ b/cpu/mpc5xxx/serial.c @@ -152,14 +152,14 @@ serial_setbrg(void) unsigned long baseclk, div; #if defined(CONFIG_MGT5100) - baseclk = CFG_MPC5XXX_CLKIN / 32; + baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32; #elif defined(CONFIG_MPC5200) baseclk = (gd->ipb_clk + 16) / 32; #endif /* set up UART divisor */ div = (baseclk + (gd->baudrate/2)) / gd->baudrate; - psc->ctur = div >> 8; - psc->ctlr = div & 0xff; + psc->ctur = (div >> 8) & 0xFF; + psc->ctlr = div & 0xff; } #endif /* CONFIG_PSC_CONSOLE */ diff --git a/cpu/mpc8220/fec.c b/cpu/mpc8220/fec.c index e974ab3..1201e79 100644 --- a/cpu/mpc8220/fec.c +++ b/cpu/mpc8220/fec.c @@ -18,11 +18,13 @@ #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ defined(CONFIG_MPC8220_FEC) -/*#if (CONFIG_COMMANDS & CFG_CMD_NET)*/ +#if !(defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)) +#error "CONFIG_MII has to be defined!" +#endif #ifdef DEBUG -static void tfifo_print (mpc8220_fec_priv * fec); -static void rfifo_print (mpc8220_fec_priv * fec); +static void tfifo_print (char *devname, mpc8220_fec_priv * fec); +static void rfifo_print (char *devname, mpc8220_fec_priv * fec); #endif /* DEBUG */ #ifdef DEBUG @@ -36,9 +38,12 @@ typedef struct { u8 head[16]; /* MAC header(6 + 6 + 2) + 2(aligned) */ } NBUF; +int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal); +int fec8220_miiphy_write (char *devname, u8 phyAddr, u8 regAddr, u16 data); + /********************************************************************/ #ifdef DEBUG -static void mpc8220_fec_phydump (void) +static void mpc8220_fec_phydump (char *devname) { u16 phyStatus, i; u8 phyAddr = CONFIG_PHY_ADDR; @@ -56,7 +61,7 @@ static void mpc8220_fec_phydump (void) for (i = 0; i < 32; i++) { if (reg_mask[i]) { - miiphy_read (phyAddr, i, &phyStatus); + miiphy_read (devname, phyAddr, i, &phyStatus); printf ("Mii reg %d: 0x%04x\n", i, phyStatus); } } @@ -330,7 +335,7 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) * Set individual address filter for unicast address * and set physical address registers. */ - mpc8220_fec_set_hwaddr (fec, dev->enetaddr); + mpc8220_fec_set_hwaddr (fec, (char *)(dev->enetaddr)); /* * Set multicast address filter @@ -400,7 +405,7 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) /* * Reset PHY, then delay 300ns */ - miiphy_write (phyAddr, 0x0, 0x8000); + miiphy_write (dev->name, phyAddr, 0x0, 0x8000); udelay (1000); if (fec->xcv_type == MII10) { @@ -410,11 +415,11 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) #ifdef DEBUG printf ("Forcing 10 Mbps ethernet link... "); #endif - miiphy_read (phyAddr, 0x1, &phyStatus); + miiphy_read (dev->name, phyAddr, 0x1, &phyStatus); /* miiphy_write(fec, phyAddr, 0x0, 0x0100); */ - miiphy_write (phyAddr, 0x0, 0x0180); + miiphy_write (dev->name, phyAddr, 0x0, 0x0180); timeout = 20; do { /* wait for link status to go down */ @@ -425,7 +430,7 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) #endif break; } - miiphy_read (phyAddr, 0x1, &phyStatus); + miiphy_read (dev->name, phyAddr, 0x1, &phyStatus); #ifdef DEBUG printf ("="); #endif @@ -438,7 +443,7 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) printf ("failed. Link is down.\n"); break; } - miiphy_read (phyAddr, 0x1, &phyStatus); + miiphy_read (dev->name, phyAddr, 0x1, &phyStatus); #ifdef DEBUG printf ("+"); #endif @@ -451,12 +456,12 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) /* * Set the auto-negotiation advertisement register bits */ - miiphy_write (phyAddr, 0x4, 0x01e1); + miiphy_write (dev->name, phyAddr, 0x4, 0x01e1); /* * Set MDIO bit 0.12 = 1(&& bit 0.9=1?) to enable auto-negotiation */ - miiphy_write (phyAddr, 0x0, 0x1200); + miiphy_write (dev->name, phyAddr, 0x0, 0x1200); /* * Wait for AN completion @@ -472,7 +477,7 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) return -1; } - if (miiphy_read (phyAddr, 0x1, &phyStatus) != + if (miiphy_read (dev->name, phyAddr, 0x1, &phyStatus) != 0) { #ifdef DEBUG printf ("PHY auto neg 1 failed 0x%04x...\n", phyStatus); @@ -495,7 +500,7 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis) #ifdef DEBUG if (fec->xcv_type != SEVENWIRE) - mpc8220_fec_phydump (); + mpc8220_fec_phydump (dev->name); #endif /* @@ -518,7 +523,7 @@ static void mpc8220_fec_halt (struct eth_device *dev) #ifdef DEBUG if (fec->xcv_type != SEVENWIRE) - mpc8220_fec_phydump (); + mpc8220_fec_phydump (dev->name); #endif /* @@ -573,7 +578,7 @@ static void mpc8220_fec_halt (struct eth_device *dev) #ifdef DEBUG /********************************************************************/ -static void tfifo_print (mpc8220_fec_priv * fec) +static void tfifo_print (char *devname, mpc8220_fec_priv * fec) { u16 phyAddr = CONFIG_PHY_ADDR; u16 phyStatus; @@ -581,7 +586,7 @@ static void tfifo_print (mpc8220_fec_priv * fec) if ((fec->eth->tfifo_lrf_ptr != fec->eth->tfifo_lwf_ptr) || (fec->eth->tfifo_rdptr != fec->eth->tfifo_wrptr)) { - miiphy_read (phyAddr, 0x1, &phyStatus); + miiphy_read (devname, phyAddr, 0x1, &phyStatus); printf ("\nphyStatus: 0x%04x\n", phyStatus); printf ("ecntrl: 0x%08x\n", fec->eth->ecntrl); printf ("ievent: 0x%08x\n", fec->eth->ievent); @@ -597,7 +602,7 @@ static void tfifo_print (mpc8220_fec_priv * fec) } } -static void rfifo_print (mpc8220_fec_priv * fec) +static void rfifo_print (char *devname, mpc8220_fec_priv * fec) { u16 phyAddr = CONFIG_PHY_ADDR; u16 phyStatus; @@ -605,7 +610,7 @@ static void rfifo_print (mpc8220_fec_priv * fec) if ((fec->eth->rfifo_lrf_ptr != fec->eth->rfifo_lwf_ptr) || (fec->eth->rfifo_rdptr != fec->eth->rfifo_wrptr)) { - miiphy_read (phyAddr, 0x1, &phyStatus); + miiphy_read (devname, phyAddr, 0x1, &phyStatus); printf ("\nphyStatus: 0x%04x\n", phyStatus); printf ("ecntrl: 0x%08x\n", fec->eth->ecntrl); printf ("ievent: 0x%08x\n", fec->eth->ievent); @@ -636,7 +641,7 @@ static int mpc8220_fec_send (struct eth_device *dev, volatile void *eth_data, #ifdef DEBUG printf ("tbd status: 0x%04x\n", fec->tbdBase[0].status); - tfifo_print (fec); + tfifo_print (dev->name, fec); #endif /* @@ -680,7 +685,7 @@ static int mpc8220_fec_send (struct eth_device *dev, volatile void *eth_data, if (fec->xcv_type != SEVENWIRE) { u16 phyStatus; - miiphy_read (0, 0x1, &phyStatus); + miiphy_read (dev->name, 0, 0x1, &phyStatus); } /* @@ -688,13 +693,13 @@ static int mpc8220_fec_send (struct eth_device *dev, volatile void *eth_data, */ #ifdef DEBUG - tfifo_print (fec); + tfifo_print (dev->name, fec); #endif DMA_TASK_ENABLE (FEC_XMIT_TASK_NO); #ifdef DEBUG - tfifo_print (fec); + tfifo_print (dev->name, fec); #endif #ifdef DEBUG @@ -842,6 +847,11 @@ int mpc8220_fec_initialize (bd_t * bis) sprintf (dev->name, "FEC ETHERNET"); eth_register (dev); +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register (dev->name, + fec8220_miiphy_read, fec8220_miiphy_write); +#endif + /* * Try to set the mac address now. The fec mac address is * a garbage after reset. When not using fec for booting @@ -875,7 +885,7 @@ int mpc8220_fec_initialize (bd_t * bis) /* MII-interface related functions */ /********************************************************************/ -int miiphy_read (u8 phyAddr, u8 regAddr, u16 * retVal) +int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal) { ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1; u32 reg; /* convenient holder for the PHY register */ @@ -919,7 +929,7 @@ int miiphy_read (u8 phyAddr, u8 regAddr, u16 * retVal) } /********************************************************************/ -int miiphy_write (u8 phyAddr, u8 regAddr, u16 data) +int fec8220_miiphy_write (char *devname, u8 phyAddr, u8 regAddr, u16 data) { ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1; u32 reg; /* convenient holder for the PHY register */ diff --git a/cpu/mpc8220/i2c.c b/cpu/mpc8220/i2c.c index e9d0771..62f7c0f 100644 --- a/cpu/mpc8220/i2c.c +++ b/cpu/mpc8220/i2c.c @@ -73,8 +73,10 @@ static int mpc_get_fdr (int); static int mpc_reg_in (volatile u32 * reg) { - return *reg >> 24; + int ret; + ret = *reg >> 24; __asm__ __volatile__ ("eieio"); + return ret; } static void mpc_reg_out (volatile u32 * reg, int val, int mask) @@ -324,7 +326,7 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buf, int len) goto Done; } - if (send_bytes (chip, &xaddr[4 - alen], alen)) { + if (send_bytes (chip, (char *)&xaddr[4 - alen], alen)) { printf ("i2c_read: send_bytes failed\n"); goto Done; } @@ -335,7 +337,7 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buf, int len) goto Done; } - if (receive_bytes (chip, buf, len)) { + if (receive_bytes (chip, (char *)buf, len)) { printf ("i2c_read: receive_bytes failed\n"); goto Done; } @@ -368,12 +370,12 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buf, int len) goto Done; } - if (send_bytes (chip, &xaddr[4 - alen], alen)) { + if (send_bytes (chip, (char *)&xaddr[4 - alen], alen)) { printf ("i2c_write: send_bytes failed\n"); goto Done; } - if (send_bytes (chip, buf, len)) { + if (send_bytes (chip, (char *)buf, len)) { printf ("i2c_write: send_bytes failed\n"); goto Done; } @@ -386,7 +388,7 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buf, int len) uchar i2c_reg_read (uchar chip, uchar reg) { - char buf; + uchar buf; i2c_read (chip, reg, 1, &buf, 1); diff --git a/cpu/mpc824x/drivers/i2c/i2c.c b/cpu/mpc824x/drivers/i2c/i2c.c index 7445a1c..3add687 100644 --- a/cpu/mpc824x/drivers/i2c/i2c.c +++ b/cpu/mpc824x/drivers/i2c/i2c.c @@ -264,12 +264,12 @@ int i2c_probe (uchar chip) * and looking for an <ACK> back. */ udelay (10000); - return i2c_read (chip, 0, 1, (char *) &tmp, 1); + return i2c_read (chip, 0, 1, (uchar *) &tmp, 1); } uchar i2c_reg_read (uchar i2c_addr, uchar reg) { - char buf[1]; + uchar buf[1]; i2c_read (i2c_addr, reg, 1, buf, 1); diff --git a/cpu/mpc8260/ether_fcc.c b/cpu/mpc8260/ether_fcc.c index 0393afa..ed3515f 100644 --- a/cpu/mpc8260/ether_fcc.c +++ b/cpu/mpc8260/ether_fcc.c @@ -47,6 +47,10 @@ #include <config.h> #include <net.h> +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) +#include <miiphy.h> +#endif + #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_COMMANDS & CFG_CMD_NET) && \ defined(CONFIG_NET_MULTI) @@ -386,6 +390,12 @@ int fec_initialize(bd_t *bis) dev->recv = fec_recv; eth_register(dev); + +#if (defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)) \ + && defined(CONFIG_BITBANGMII) + miiphy_register(dev->name, + bb_miiphy_read, bb_miiphy_write); +#endif } return 1; diff --git a/cpu/mpc8260/i2c.c b/cpu/mpc8260/i2c.c index e0ac684..ea97ab8 100644 --- a/cpu/mpc8260/i2c.c +++ b/cpu/mpc8260/i2c.c @@ -752,7 +752,7 @@ i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) uchar i2c_reg_read(uchar chip, uchar reg) { - char buf; + uchar buf; i2c_read(chip, reg, 1, &buf, 1); diff --git a/cpu/mpc8260/pci.c b/cpu/mpc8260/pci.c index f068e8e..44576de 100644 --- a/cpu/mpc8260/pci.c +++ b/cpu/mpc8260/pci.c @@ -2,6 +2,10 @@ * (C) Copyright 2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * + * Copyright (c) 2005 MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * Added support for PCI bridge on MPC8272ADS + * * See file CREDITS for list of people who contributed to this * project. * @@ -230,7 +234,7 @@ static inline void pci_outl (u32 addr, u32 data) void pci_mpc8250_init (struct pci_controller *hose) { -#ifdef CONFIG_MPC8266ADS +#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272 DECLARE_GLOBAL_DATA_PTR; #endif u16 tempShort; @@ -248,6 +252,27 @@ void pci_mpc8250_init (struct pci_controller *hose) immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11) | SIUMCR_LBPC01; +#elif defined CONFIG_MPC8272 + immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr & + ~SIUMCR_BBD & + ~SIUMCR_ESE & + ~SIUMCR_PBSE & + ~SIUMCR_CDIS & + ~SIUMCR_DPPC11 & + ~SIUMCR_L2CPC11 & + ~SIUMCR_LBPC11 & + ~SIUMCR_APPC11 & + ~SIUMCR_CS10PC11 & + ~SIUMCR_BCTLC11 & + ~SIUMCR_MMR11) + | SIUMCR_DPPC11 + | SIUMCR_L2CPC01 + | SIUMCR_LBPC00 + | SIUMCR_APPC10 + | SIUMCR_CS10PC00 + | SIUMCR_BCTLC00 + | SIUMCR_MMR11; + #else /* * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]), @@ -290,7 +315,7 @@ void pci_mpc8250_init (struct pci_controller *hose) immap->im_memctl.memc_pcimsk0 = PCIMSK0_MASK; immap->im_memctl.memc_pcibr0 = PCI_MSTR0_LOCAL | PCIBR_ENABLE; -#ifdef CONFIG_MPC8266ADS +#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272 immap->im_memctl.memc_pcimsk1 = PCIMSK1_MASK; immap->im_memctl.memc_pcibr1 = PCI_MSTR1_LOCAL | PCIBR_ENABLE; #endif @@ -300,7 +325,7 @@ void pci_mpc8250_init (struct pci_controller *hose) /* give it some time */ { -#ifdef CONFIG_MPC8266ADS +#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272 /* Give the PCI cards more time to initialize before query This might be good for other boards also */ @@ -344,7 +369,11 @@ void pci_mpc8250_init (struct pci_controller *hose) immap->im_pci.pci_picmr0 = cpu_to_le32 (PICMR0_MASK_ATTRIB); /* Size & attribute */ /* See above for description - puts PCI request as highest priority */ +#ifdef CONFIG_MPC8272 + immap->im_siu_conf.sc_ppc_alrh = 0x01236745; +#else immap->im_siu_conf.sc_ppc_alrh = 0x03124567; +#endif /* Park the bus on the PCI */ immap->im_siu_conf.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI; @@ -370,7 +399,7 @@ void pci_mpc8250_init (struct pci_controller *hose) hose->last_busno = 0xff; /* System memory space */ -#ifdef CONFIG_MPC8266ADS +#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272 pci_set_region (hose->regions + 0, PCI_SLV_MEM_BUS, PCI_SLV_MEM_LOCAL, @@ -383,7 +412,7 @@ void pci_mpc8250_init (struct pci_controller *hose) #endif /* PCI memory space */ -#ifdef CONFIG_MPC8266ADS +#if defined CONFIG_MPC8266ADS || defined CONFIG_MPC8272 pci_set_region (hose->regions + 1, PCI_MSTR_MEMIO_BUS, PCI_MSTR_MEMIO_LOCAL, diff --git a/cpu/mpc83xx/Makefile b/cpu/mpc83xx/Makefile index 14574f4..60df4cd 100644 --- a/cpu/mpc83xx/Makefile +++ b/cpu/mpc83xx/Makefile @@ -32,7 +32,6 @@ COBJS = traps.o \ cpu_init.o \ speed.o \ interrupts.o \ - pci.o \ i2c.o \ spd_sdram.o diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c index c84aeb4..8c9b515 100644 --- a/cpu/mpc83xx/cpu.c +++ b/cpu/mpc83xx/cpu.c @@ -50,7 +50,7 @@ int checkcpu(void) return -1; } - puts("CPU: MPC83xx, "); + puts("CPU: MPC83xx, "); switch(pvr) { case PVR_8349_REV10: break; @@ -60,7 +60,9 @@ int checkcpu(void) puts("Rev: Unknown\n"); return -1; /* Not sure what this is */ } - printf("Rev: %02x at %s MHz\n",pvr & 0x0000FFFF, strmhz(buf, clock)); + printf("Rev: %d.%d at %s MHz\n", (pvr & 0xf0) >> 4, + (pvr & 0x0f), strmhz(buf, clock)); + return 0; } diff --git a/cpu/mpc83xx/i2c.c b/cpu/mpc83xx/i2c.c index 3db7d2c..4e70f80 100644 --- a/cpu/mpc83xx/i2c.c +++ b/cpu/mpc83xx/i2c.c @@ -41,7 +41,7 @@ #include <i2c.h> #include <asm/i2c.h> -#ifdef CONFIG_MPC8349ADS +#if defined(CONFIG_MPC8349ADS) || defined(CONFIG_TQM834X) i2c_t * mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C_OFFSET); #endif @@ -109,7 +109,9 @@ i2c_wait (int write) return 0; } while (get_timer (timeval) < I2C_TIMEOUT); + debug("i2c_wait: timed out\n"); + return -1; } static __inline__ int @@ -231,12 +233,12 @@ int i2c_probe (uchar chip) * and looking for an <ACK> back. */ udelay(10000); - return i2c_read (chip, 0, 1, (char *)&tmp, 1); + return i2c_read (chip, 0, 1, (uchar *)&tmp, 1); } uchar i2c_reg_read (uchar i2c_addr, uchar reg) { - char buf[1]; + uchar buf[1]; i2c_read (i2c_addr, reg, 1, buf, 1); diff --git a/cpu/mpc83xx/pci.c b/cpu/mpc83xx/pci.c deleted file mode 100644 index d5fa811..0000000 --- a/cpu/mpc83xx/pci.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * Copyright 2004 Freescale Semiconductor. - * Copyright (C) 2003 Motorola Inc. - * Xianghua Xiao (x.xiao@motorola.com) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * Change log: - * - * 20050101: Eran Liberty (liberty@freescale.com) - * Initial file creating (porting from 85XX & 8260) - */ - -/* - * PCI Configuration space access support for MPC85xx PCI Bridge - */ -#include <asm/mmu.h> -#include <asm/io.h> -#include <common.h> -#include <pci.h> - -#ifdef CONFIG_MPC8349ADS -#include <asm/i2c.h> -#endif - -#if defined(CONFIG_PCI) - -void -pci_mpc83xx_init(volatile struct pci_controller *hose) -{ - volatile immap_t * immr; - volatile clk8349_t * clk; - volatile law8349_t * pci_law; - volatile pot8349_t * pci_pot; - volatile pcictrl8349_t * pci_ctrl; - volatile pciconf8349_t * pci_conf; - - u8 val8,tmp8,ret; - u16 reg16,tmp16; - u32 val32,tmp32; - - immr = (immap_t *)CFG_IMMRBAR; - clk = (clk8349_t *)&immr->clk; - pci_law = immr->sysconf.pcilaw; - pci_pot = immr->ios.pot; - pci_ctrl = immr->pci_ctrl; - pci_conf = immr->pci_conf; - - /* - * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode - */ - val32 = clk->occr; - udelay(2000); - clk->occr = 0xff000000; - udelay(2000); - - /* - * Configure PCI Local Access Windows - */ - pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR; - pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G; - pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR; - pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_32M; - - /* - * Configure PCI Outbound Translation Windows - */ - pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK; - pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK; - pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK); - - /* mapped to PCI1 IO space 0x0 to local 0xe2000000 */ - pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK; - pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK; - pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK); - - pci_pot[3].potar = (CFG_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK; - pci_pot[3].pobar = (CFG_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK; - pci_pot[3].pocmr = POCMR_EN | POCMR_DST | (POCMR_CM_512M & POCMR_CM_MASK); - - /* mapped to PCI2 IO space 0x0 to local 0xe3000000 */ - pci_pot[4].potar = (CFG_PCI2_IO_BASE >> 12) & POTAR_TA_MASK; - pci_pot[4].pobar = (CFG_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK; - pci_pot[4].pocmr = POCMR_EN | POCMR_DST | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK); - - /* - * Configure PCI Inbound Translation Windows - */ - pci_ctrl[0].pitar1 = 0x0; - pci_ctrl[0].pibar1 = 0x0; - pci_ctrl[0].piebar1 = 0x0; - pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G; - - pci_ctrl[1].pitar1 = 0x0; - pci_ctrl[1].pibar1 = 0x0; - pci_ctrl[1].piebar1 = 0x0; - pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G; - /* - * Assign PIB PMC slot to desired PCI bus - */ -#ifdef CONFIG_MPC8349ADS - mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C2_OFFSET); - i2c_init(CFG_I2C_SPEED,CFG_I2C_SLAVE); -#endif - val8 = 0; - ret = i2c_write(0x23,0x6,1,&val8,1); - ret = i2c_write(0x23,0x7,1,&val8,1); - val8 = 0xff; - ret = i2c_write(0x23,0x2,1,&val8,1); - ret = i2c_write(0x23,0x3,1,&val8,1); - - val8 = 0; - ret = i2c_write(0x26,0x6,1,&val8,1); - val8 = 0x34; - ret = i2c_write(0x26,0x7,1,&val8,1); -#if defined(PCI_64BIT) - val8 = 0xf4; /* PMC2<->PCI1 64bit */ -#elif defined(PCI_ALL_PCI1) - val8 = 0xf3; /* PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI1 32bit */ -#elif defined(PCI_ONE_PCI1) - val8 = 0xf9; /* PMC1<->PCI1,PMC2<->PCI2,PMC3<->PCI2 32bit */ -#elif defined(PCI_TWO_PCI1) - val8 = 0xf5; /* PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI2 32bit */ -#else - val8 = 0xf5; -#endif - ret = i2c_write(0x26,0x2,1,&val8,1); - val8 = 0xff; - ret = i2c_write(0x26,0x3,1,&val8,1); - val8 = 0; - ret = i2c_write(0x27,0x6,1,&val8,1); - ret = i2c_write(0x27,0x7,1,&val8,1); - val8 = 0xff; - ret = i2c_write(0x27,0x2,1,&val8,1); - val8 = 0xef; - ret = i2c_write(0x27,0x3,1,&val8,1); - asm("eieio"); - - /* - * Release PCI RST Output signal - */ - udelay(2000); - pci_ctrl[0].gcr = 1; -#ifndef PCI_64BIT - pci_ctrl[1].gcr = 1; -#endif - udelay(2000); - - hose[0].first_busno = 0; - hose[0].last_busno = 0xff; - - pci_set_region(hose[0].regions + 0, - CFG_PCI1_MEM_BASE, - CFG_PCI1_MEM_PHYS, - CFG_PCI1_MEM_SIZE, - PCI_REGION_MEM); - - pci_set_region(hose[0].regions + 1, - CFG_PCI1_IO_BASE, - CFG_PCI1_IO_PHYS, - CFG_PCI1_IO_SIZE, - PCI_REGION_IO); - - hose[0].region_count = 2; - - pci_setup_indirect(&hose[0], - (CFG_IMMRBAR+0x8300), - (CFG_IMMRBAR+0x8304)); -#define PCI_CLASS_BRIDGE 0x06 - reg16 = 0xff; - tmp32 = 0xffff; - pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE); - - pci_hose_read_config_word (&hose[0],PCI_BDF(0,0,0),PCI_COMMAND, ®16); - reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_COMMAND, reg16); - - /* - * Clear non-reserved bits in status register. - */ - pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_STATUS, 0xffff); - pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); -#ifndef PCI_64BIT - hose[1].first_busno = 0; - hose[1].last_busno = 0xff; - - pci_set_region(hose[1].regions + 0, - CFG_PCI2_MEM_BASE, - CFG_PCI2_MEM_PHYS, - CFG_PCI2_MEM_SIZE, - PCI_REGION_MEM); - - pci_set_region(hose[1].regions + 1, - CFG_PCI2_IO_BASE, - CFG_PCI2_IO_PHYS, - CFG_PCI2_IO_SIZE, - PCI_REGION_IO); - - hose[1].region_count = 2; - - pci_setup_indirect(&hose[1], - (CFG_IMMRBAR+0x8380), - (CFG_IMMRBAR+0x8384)); - - pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE); - pci_hose_read_config_word (&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, ®16); - reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, reg16); - - /* - * Clear non-reserved bits in status register. - */ - pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_STATUS, 0xffff); - pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); -#endif - -#if defined(PCI_64BIT) - printf("PCI1 64bit on PMC2\n"); -#elif defined(PCI_ALL_PCI1) - printf("PCI1 32bit on PMC1 & PMC2 & PMC3\n"); -#elif defined(PCI_ONE_PCI1) - printf("PCI1 32bit on PMC1,PCI2 32bit on PMC2 & PMC3\n"); -#else - printf("PCI1 32bit on PMC1 & PMC2 & PMC3 in default\n"); -#endif - -#if 1 - /* - * Hose scan. - */ - pci_register_hose(hose); - hose->last_busno = pci_hose_scan(hose); -#endif -} - -#endif /* CONFIG_PCI */ diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c index 260137d..1368fc3 100644 --- a/cpu/mpc83xx/speed.c +++ b/cpu/mpc83xx/speed.c @@ -118,41 +118,50 @@ int get_clocks (void) return -1; #ifndef CFG_HRCW_HIGH -# error "CFG_HRCW_HIGH must be defined in include/configs/MCP83XXADS.h" +# error "CFG_HRCW_HIGH must be defined in board config file" #endif /* CFG_HCWD_HIGH */ #if (CFG_HRCW_HIGH & HRCWH_PCI_HOST) + # ifndef CONFIG_83XX_CLKIN -# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in include/configs/MCP83XXADS.h" +# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in board config file" # endif /* CONFIG_83XX_CLKIN */ # ifdef CONFIG_83XX_PCICLK -# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in include/configs/MCP83XXADS.h is igonred." +# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in board config file is igonred" # endif /* CONFIG_83XX_PCICLK */ -/* PCI Host Mode */ + + /* PCI Host Mode */ if (!(im->reset.rcwh & RCWH_PCIHOST)) { - /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH the im->reset.rcwhr PCI Host Mode is disabled */ - /* FIXME: findout if there is a way to issue some warning */ + /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH + * the im->reset.rcwhr PCI Host Mode is disabled + * FIXME: findout if there is a way to issue some warning */ return -2; } if (im->clk.spmr & SPMR_CKID) { - pci_sync_in = CONFIG_83XX_CLKIN / 2; /* PCI Clock is half CONFIG_83XX_CLKIN */ + /* PCI Clock is half CONFIG_83XX_CLKIN */ + pci_sync_in = CONFIG_83XX_CLKIN / 2; } else { pci_sync_in = CONFIG_83XX_CLKIN; } -#else + +#else /* (CFG_HRCW_HIGH & HRCWH_PCI_HOST) */ + # ifdef CONFIG_83XX_CLKIN -# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in include/configs/MCP83XXADS.h is igonred." +# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in board config file is igonred" # endif /* CONFIG_83XX_CLKIN */ # ifndef CONFIG_83XX_PCICLK -# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in include/configs/MCP83XXADS.h" +# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in board config file" # endif /* CONFIG_83XX_PCICLK */ -/* PCI Agent Mode */ + + /* PCI Agent Mode */ if (im->reset.rcwh & RCWH_PCIHOST) { - /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH the im->reset.rcwhr PCI Host Mode is enabled */ + /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH + * the im->reset.rcwhr PCI Host Mode is enabled */ return -3; } pci_sync_in = CONFIG_83XX_PCICLK; + #endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */ /* we have up to date pci_sync_in */ @@ -320,6 +329,7 @@ int get_clocks (void) gd->lbiu_clk = lbiu_clk ; gd->lclk_clk = lclk_clk ; gd->ddr_clk = ddr_clk ; + gd->pci_clk = pci_sync_in; gd->cpu_clk = gd->core_clk; gd->bus_clk = gd->lbiu_clk; @@ -343,79 +353,14 @@ int print_clock_conf (void) printf("Clock configuration:\n"); printf(" Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000); printf(" Core: %4d MHz\n",gd->core_clk/1000000); - printf(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000); + debug(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000); printf(" Local Bus: %4d MHz\n",gd->lclk_clk/1000000); - printf(" DDR: %4d MHz\n",gd->ddr_clk/1000000); - printf(" I2C: %4d MHz\n",gd->i2c_clk/1000000); - printf(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000); - printf(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000); - printf(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000); - printf(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000); - -#if 0 - DECLARE_GLOBAL_DATA_PTR; - - volatile immap_t *immap = (immap_t *) CFG_IMMR; - ulong sccr, dfbrg; - ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf; - corecnf_t *cp; - - sccr = immap->im_clkrst.car_sccr; - dfbrg = (sccr & SCCR_DFBRG_MSK) >> SCCR_DFBRG_SHIFT; - - scmr = immap->im_clkrst.car_scmr; - corecnf = (scmr & SCMR_CORECNF_MSK) >> SCMR_CORECNF_SHIFT; - busdf = (scmr & SCMR_BUSDF_MSK) >> SCMR_BUSDF_SHIFT; - cpmdf = (scmr & SCMR_CPMDF_MSK) >> SCMR_CPMDF_SHIFT; - plldf = (scmr & SCMR_PLLDF) ? 1 : 0; - pllmf = (scmr & SCMR_PLLMF_MSK) >> SCMR_PLLMF_SHIFT; - - cp = &corecnf_tab[corecnf]; - - puts (CPU_ID_STR " Clock Configuration\n - Bus-to-Core Mult "); - - switch (cp->b2c_mult) { - case _byp: - puts ("BYPASS"); - break; + debug(" DDR: %4d MHz\n",gd->ddr_clk/1000000); + debug(" I2C: %4d MHz\n",gd->i2c_clk/1000000); + debug(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000); + debug(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000); + debug(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000); + debug(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000); - case _off: - puts ("OFF"); - break; - - case _unk: - puts ("UNKNOWN"); - break; - - default: - printf ("%d%sx", - cp->b2c_mult / 2, - (cp->b2c_mult % 2) ? ".5" : ""); - break; - } - - printf (", VCO Div %d, 60x Bus Freq %s, Core Freq %s\n", - cp->vco_div, cp->freq_60x, cp->freq_core); - - printf (" - dfbrg %ld, corecnf 0x%02lx, busdf %ld, cpmdf %ld, " - "plldf %ld, pllmf %ld\n", dfbrg, corecnf, busdf, cpmdf, plldf, - pllmf); - - printf (" - vco_out %10ld, scc_clk %10ld, brg_clk %10ld\n", - gd->vco_out, gd->scc_clk, gd->brg_clk); - - printf (" - cpu_clk %10ld, cpm_clk %10ld, bus_clk %10ld\n", - gd->cpu_clk, gd->cpm_clk, gd->bus_clk); - - if (sccr & SCCR_PCI_MODE) { - uint pci_div; - - pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) * - ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1); - - printf (" - pci_clk %10ld\n", (gd->cpm_clk * 2) / pci_div); - } - putc ('\n'); -#endif return 0; } diff --git a/cpu/mpc85xx/ether_fcc.c b/cpu/mpc85xx/ether_fcc.c index cbbb3a4..d15d242 100644 --- a/cpu/mpc85xx/ether_fcc.c +++ b/cpu/mpc85xx/ether_fcc.c @@ -48,6 +48,10 @@ #include <config.h> #include <net.h> +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) +#include <miiphy.h> +#endif + #if defined(CONFIG_CPM2) #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_COMMANDS & CFG_CMD_NET) && \ @@ -303,7 +307,9 @@ static int fec_init(struct eth_device* dev, bd_t *bis) * Allocate space in the reserved FCC area of DPRAM for the * internal buffers. No one uses this space (yet), so we * can do this. Later, we will add resource management for - * this area. CPM_FCC_SPECIAL_BASE: 0xb000. + * this area. + * CPM_FCC_SPECIAL_BASE: 0xB000 for MPC8540, MPC8560 + * 0x9000 for MPC8541, MPC8555 */ mem_addr = CPM_FCC_SPECIAL_BASE + ((info->ether_index) * 64); pram_ptr->fen_genfcc.fcc_riptr = mem_addr; @@ -451,6 +457,12 @@ int fec_initialize(bd_t *bis) dev->recv = fec_recv; eth_register(dev); + +#if (defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)) \ + && defined(CONFIG_BITBANGMII) + miiphy_register(dev->name, + bb_miiphy_read, bb_miiphy_write); +#endif } return 1; diff --git a/cpu/mpc85xx/i2c.c b/cpu/mpc85xx/i2c.c index 2d08487..32dcf5d 100644 --- a/cpu/mpc85xx/i2c.c +++ b/cpu/mpc85xx/i2c.c @@ -245,12 +245,12 @@ int i2c_probe (uchar chip) * and looking for an <ACK> back. */ udelay(10000); - return i2c_read (chip, 0, 1, (char *)&tmp, 1); + return i2c_read (chip, 0, 1, (uchar *)&tmp, 1); } uchar i2c_reg_read (uchar i2c_addr, uchar reg) { - char buf[1]; + uchar buf[1]; i2c_read (i2c_addr, reg, 1, buf, 1); diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c index 069fe4e..a94493e 100644 --- a/cpu/mpc85xx/pci.c +++ b/cpu/mpc85xx/pci.c @@ -61,16 +61,6 @@ pci_mpc85xx_init(struct pci_controller *hose) (CFG_IMMR+0x8000), (CFG_IMMR+0x8004)); - pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); - reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); - - /* - * Clear non-reserved bits in status register. - */ - pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); - pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); - pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; pcix->potear1 = 0x00000000; pcix->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff; @@ -93,6 +83,16 @@ pci_mpc85xx_init(struct pci_controller *hose) */ pci_register_hose(hose); + pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); + + /* + * Clear non-reserved bits in status register. + */ + pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); + pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80); + #if defined(CONFIG_MPC8555CDS) || defined(CONFIG_MPC8541CDS) /* * This is a SW workaround for an apparent HW problem diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S index 5f75bc1..7ac6573 100644 --- a/cpu/mpc85xx/start.S +++ b/cpu/mpc85xx/start.S @@ -995,6 +995,11 @@ relocate_code: 7: sync /* Wait for all icbi to complete on bus */ isync + /* + * Re-point the IVPR at RAM + */ + mtspr IVPR,r10 + /* * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. diff --git a/cpu/mpc8xx/fec.c b/cpu/mpc8xx/fec.c index f8f56a3..d2f5d88 100644 --- a/cpu/mpc8xx/fec.c +++ b/cpu/mpc8xx/fec.c @@ -46,6 +46,11 @@ #if defined(WANT_MII) #include <miiphy.h> + +#if !(defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)) +#error "CONFIG_MII has to be defined!" +#endif + #endif #if defined(CONFIG_RMII) && !defined(WANT_MII) @@ -56,6 +61,11 @@ static int mii_discover_phy(struct eth_device *dev); #endif +int fec8xx_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *value); +int fec8xx_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value); + static struct ether_fcc_info_s { int ether_index; @@ -169,6 +179,11 @@ int fec_initialize(bd_t *bis) dev->recv = fec_recv; eth_register(dev); + +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register(dev->name, + fec8xx_miiphy_read, fec8xx_miiphy_write); +#endif } return 1; } @@ -712,7 +727,7 @@ static int fec_init (struct eth_device *dev, bd_t * bd) /* * adapt the RMII speed to the speed of the phy */ - if (miiphy_speed (efis->actual_phy_addr) == _100BASET) { + if (miiphy_speed (dev->name, efis->actual_phy_addr) == _100BASET) { fec_100Mbps (dev); } else { fec_10Mbps (dev); @@ -723,7 +738,7 @@ static int fec_init (struct eth_device *dev, bd_t * bd) /* * adapt to the half/full speed settings */ - if (miiphy_duplex (efis->actual_phy_addr) == FULL) { + if (miiphy_duplex (dev->name, efis->actual_phy_addr) == FULL) { fec_full_duplex (dev); } else { fec_half_duplex (dev); @@ -969,7 +984,8 @@ void mii_init (void) * Otherwise they hang in mii_send() !!! Sorry! *****************************************************************************/ -int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value) +int fec8xx_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) { short rdreg; /* register working value */ @@ -985,7 +1001,8 @@ int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value) return 0; } -int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) +int fec8xx_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value) { short rdreg; /* register working value */ #ifdef MII_DEBUG diff --git a/cpu/mpc8xx/i2c.c b/cpu/mpc8xx/i2c.c index baa3552..682db53 100644 --- a/cpu/mpc8xx/i2c.c +++ b/cpu/mpc8xx/i2c.c @@ -724,7 +724,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) uchar i2c_reg_read(uchar i2c_addr, uchar reg) { - char buf; + uchar buf; i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE); diff --git a/cpu/mpc8xx/spi.c b/cpu/mpc8xx/spi.c index 9213d10..e318ed0 100644 --- a/cpu/mpc8xx/spi.c +++ b/cpu/mpc8xx/spi.c @@ -525,11 +525,11 @@ int spi_post_test (int flags) for (i = 0; i < TEST_NUM; i++) { for (l = TEST_MIN_LENGTH; l <= TEST_MAX_LENGTH; l += 8) { - packet_fill (txbuf, l); + packet_fill ((char *)txbuf, l); spi_xfer (l); - if (packet_check (rxbuf, l) < 0) { + if (packet_check ((char *)rxbuf, l) < 0) { goto Done; } } diff --git a/cpu/mpc8xx/video.c b/cpu/mpc8xx/video.c index f2b8814..ee60477 100644 --- a/cpu/mpc8xx/video.c +++ b/cpu/mpc8xx/video.c @@ -447,9 +447,9 @@ static void video_drawchars (int xx, int yy, unsigned char *s, int count) } } -static inline void video_drawstring (int xx, int yy, unsigned char *s) +static inline void video_drawstring (int xx, int yy, char *s) { - video_drawchars (xx, yy, s, strlen (s)); + video_drawchars (xx, yy, (unsigned char *)s, strlen (s)); } /* Relative to console plotting functions */ @@ -474,7 +474,7 @@ static void video_putchar (int xx, int yy, unsigned char c) static inline void video_putstring (int xx, int yy, unsigned char *s) { - video_putchars (xx, yy, s, strlen (s)); + video_putchars (xx, yy, (unsigned char *)s, strlen ((char *)s)); } /************************************************************************/ diff --git a/cpu/ppc4xx/405gp_enet.c b/cpu/ppc4xx/405gp_enet.c deleted file mode 100644 index 968f0ce..0000000 --- a/cpu/ppc4xx/405gp_enet.c +++ /dev/null @@ -1,1062 +0,0 @@ -/*-----------------------------------------------------------------------------+ - * - * This source code has been made available to you by IBM on an AS-IS - * basis. Anyone receiving this source is licensed under IBM - * copyrights to use it in any way he or she deems fit, including - * copying it, modifying it, compiling it, and redistributing it either - * with or without modifications. No license under IBM patents or - * patent applications is to be implied by the copyright license. - * - * Any user of this software should understand that IBM cannot provide - * technical support for this software and will not be responsible for - * any consequences resulting from the use of this software. - * - * Any person who transfers this source code or any derivative work - * must include the IBM copyright notice, this paragraph, and the - * preceding two paragraphs in the transferred software. - * - * COPYRIGHT I B M CORPORATION 1995 - * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M - *-----------------------------------------------------------------------------*/ -/*-----------------------------------------------------------------------------+ - * - * File Name: enetemac.c - * - * Function: Device driver for the ethernet EMAC3 macro on the 405GP. - * - * Author: Mark Wisner - * - * Change Activity- - * - * Date Description of Change BY - * --------- --------------------- --- - * 05-May-99 Created MKW - * 27-Jun-99 Clean up JWB - * 16-Jul-99 Added MAL error recovery and better IP packet handling MKW - * 29-Jul-99 Added Full duplex support MKW - * 06-Aug-99 Changed names for Mal CR reg MKW - * 23-Aug-99 Turned off SYE when running at 10Mbs MKW - * 24-Aug-99 Marked descriptor empty after call_xlc MKW - * 07-Sep-99 Set MAL RX buffer size reg to ENET_MAX_MTU_ALIGNED / 16 MCG - * to avoid chaining maximum sized packets. Push starting - * RX descriptor address up to the next cache line boundary. - * 16-Jan-00 Added support for booting with IP of 0x0 MKW - * 15-Mar-00 Updated enetInit() to enable broadcast addresses in the - * EMAC_RXM register. JWB - * 12-Mar-01 anne-sophie.harnois@nextream.fr - * - Variables are compatible with those already defined in - * include/net.h - * - Receive buffer descriptor ring is used to send buffers - * to the user - * - Info print about send/received/handled packet number if - * INFO_405_ENET is set - * 17-Apr-01 stefan.roese@esd-electronics.com - * - MAL reset in "eth_halt" included - * - Enet speed and duplex output now in one line - * 08-May-01 stefan.roese@esd-electronics.com - * - MAL error handling added (eth_init called again) - * 13-Nov-01 stefan.roese@esd-electronics.com - * - Set IST bit in EMAC_M1 reg upon 100MBit or full duplex - * 04-Jan-02 stefan.roese@esd-electronics.com - * - Wait for PHY auto negotiation to complete added - * 06-Feb-02 stefan.roese@esd-electronics.com - * - Bug fixed in waiting for auto negotiation to complete - * 26-Feb-02 stefan.roese@esd-electronics.com - * - rx and tx buffer descriptors now allocated (no fixed address - * used anymore) - * 17-Jun-02 stefan.roese@esd-electronics.com - * - MAL error debug printf 'M' removed (rx de interrupt may - * occur upon many incoming packets with only 4 rx buffers). - * 21-Nov-03 pavel.bartusek@sysgo.com - * - set ZMII bridge speed on 440 - * - *-----------------------------------------------------------------------------*/ - -#include <common.h> -#include <asm/processor.h> -#include <ppc4xx.h> -#include <commproc.h> -#include <405gp_enet.h> -#include <405_mal.h> -#include <miiphy.h> -#include <net.h> -#include <malloc.h> -#include "vecnum.h" - -#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ - ( defined(CONFIG_440) && !defined(CONFIG_NET_MULTI)) - -#if !defined(CONFIG_NET_MULTI) || !defined(CONFIG_405EP) -/* 405GP, 440 with !CONFIG_NET_MULTI. For 440 only EMAC0 is supported */ -#define EMAC_NUM_DEV 1 -#else -/* 440EP && CONFIG_NET_MULTI */ -#define EMAC_NUM_DEV 2 -#endif - -#define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */ -#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */ - -/* Ethernet Transmit and Receive Buffers */ -/* AS.HARNOIS - * In the same way ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from - * PKTSIZE and PKTSIZE_ALIGN (include/net.h) - */ -#define ENET_MAX_MTU PKTSIZE -#define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN - -/* define the number of channels implemented */ -#define EMAC_RXCHL EMAC_NUM_DEV -#define EMAC_TXCHL EMAC_NUM_DEV - -/*-----------------------------------------------------------------------------+ - * Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal - * Interrupt Controller). - *-----------------------------------------------------------------------------*/ -#define MAL_UIC_ERR ( UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE) -#define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR) -#define EMAC_UIC_DEF UIC_ENET -#define EMAC_UIC_DEF1 UIC_ENET1 -#define SEL_UIC_DEF(p) (p ? UIC_ENET1 : UIC_ENET ) - - -/*-----------------------------------------------------------------------------+ - * Global variables. TX and RX descriptors and buffers. - *-----------------------------------------------------------------------------*/ -/* IER globals */ -static uint32_t mal_ier; - -#if !defined(CONFIG_NET_MULTI) -struct eth_device *emac0_dev; -#endif - -/*-----------------------------------------------------------------------------+ - * Prototypes and externals. - *-----------------------------------------------------------------------------*/ -static void enet_rcv (struct eth_device *dev, unsigned long malisr); - -int enetInt (struct eth_device *dev); -static void mal_err (struct eth_device *dev, unsigned long isr, - unsigned long uic, unsigned long maldef, - unsigned long mal_errr); -static void emac_err (struct eth_device *dev, unsigned long isr); - -/*-----------------------------------------------------------------------------+ -| ppc_405x_eth_halt -| Disable MAL channel, and EMACn -| -| -+-----------------------------------------------------------------------------*/ -static void ppc_4xx_eth_halt (struct eth_device *dev) -{ - EMAC_405_HW_PST hw_p = dev->priv; - uint32_t failsafe = 10000; - - mtdcr (malier, 0x00000000); /* disable mal interrupts */ - out32 (EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */ - - /* 1st reset MAL channel */ - /* Note: writing a 0 to a channel has no effect */ - mtdcr (maltxcarr, (MAL_CR_MMSR >> (hw_p->devnum * 2))); - mtdcr (malrxcarr, (MAL_CR_MMSR >> hw_p->devnum)); - - /* wait for reset */ - while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) { - udelay (1000); /* Delay 1 MS so as not to hammer the register */ - failsafe--; - if (failsafe == 0) - break; - } - - /* EMAC RESET */ - out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); - - hw_p->print_speed = 1; /* print speed message again next time */ - - return; -} - -static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) -{ - int i; - unsigned long reg; - unsigned long msr; - unsigned long speed; - unsigned long duplex; - unsigned long failsafe; - unsigned mode_reg; - unsigned short devnum; - unsigned short reg_short; - - EMAC_405_HW_PST hw_p = dev->priv; - /* before doing anything, figure out if we have a MAC address */ - /* if not, bail */ - if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) - return -1; - - msr = mfmsr (); - mtmsr (msr & ~(MSR_EE)); /* disable interrupts */ - - devnum = hw_p->devnum; - -#ifdef INFO_405_ENET - /* AS.HARNOIS - * We should have : - * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX - * In the most cases hw_p->stats.pkts_handled = hw_p->stats.pkts_rx, but it - * is possible that new packets (without relationship with - * current transfer) have got the time to arrived before - * netloop calls eth_halt - */ - printf ("About preceeding transfer (eth%d):\n" - "- Sent packet number %d\n" - "- Received packet number %d\n" - "- Handled packet number %d\n", - hw_p->devnum, - hw_p->stats.pkts_tx, - hw_p->stats.pkts_rx, hw_p->stats.pkts_handled); - - hw_p->stats.pkts_tx = 0; - hw_p->stats.pkts_rx = 0; - hw_p->stats.pkts_handled = 0; -#endif - - /* MAL RESET */ - mtdcr (malmcr, MAL_CR_MMSR); - /* wait for reset */ - while (mfdcr (malmcr) & MAL_CR_MMSR) { - }; - -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) - out32 (ZMII_FER, 0); - udelay(100); - /* set RII mode */ - out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0); -#elif defined(CONFIG_440) - /* set RMII mode */ - out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0); -#endif /* CONFIG_440 */ - - /* MAL Channel RESET */ - /* 1st reset MAL channel */ - /* Note: writing a 0 to a channel has no effect */ - mtdcr (maltxcarr, (MAL_TXRX_CASR >> (hw_p->devnum * 2))); - mtdcr (malrxcarr, (MAL_TXRX_CASR >> hw_p->devnum)); - - /* wait for reset */ - /* TBS: should have udelay and failsafe here */ - failsafe = 10000; - /* wait for reset */ - while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) { - udelay (1000); /* Delay 1 MS so as not to hammer the register */ - failsafe--; - if (failsafe == 0) - break; - - } - - hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */ - hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */ - - hw_p->rx_slot = 0; /* MAL Receive Slot */ - hw_p->rx_i_index = 0; /* Receive Interrupt Queue Index */ - hw_p->rx_u_index = 0; /* Receive User Queue Index */ - - hw_p->tx_slot = 0; /* MAL Transmit Slot */ - hw_p->tx_i_index = 0; /* Transmit Interrupt Queue Index */ - hw_p->tx_u_index = 0; /* Transmit User Queue Index */ - - __asm__ volatile ("eieio"); - - /* reset emac so we have access to the phy */ - - out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); - __asm__ volatile ("eieio"); - - failsafe = 1000; - while ((in32 (EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) { - udelay (1000); - failsafe--; - } - -#if defined(CONFIG_NET_MULTI) - reg = hw_p->devnum ? CONFIG_PHY1_ADDR : CONFIG_PHY_ADDR; -#else - reg = CONFIG_PHY_ADDR; -#endif - /* wait for PHY to complete auto negotiation */ - reg_short = 0; -#ifndef CONFIG_CS8952_PHY - miiphy_read (reg, PHY_BMSR, ®_short); - - /* - * Wait if PHY is capable of autonegotiation and autonegotiation is not complete - */ - if ((reg_short & PHY_BMSR_AUTN_ABLE) - && !(reg_short & PHY_BMSR_AUTN_COMP)) { - puts ("Waiting for PHY auto negotiation to complete"); - i = 0; - while (!(reg_short & PHY_BMSR_AUTN_COMP)) { - /* - * Timeout reached ? - */ - if (i > PHY_AUTONEGOTIATE_TIMEOUT) { - puts (" TIMEOUT !\n"); - break; - } - - if ((i++ % 1000) == 0) { - putc ('.'); - } - udelay (1000); /* 1 ms */ - miiphy_read (reg, PHY_BMSR, ®_short); - } - puts (" done\n"); - udelay (500000); /* another 500 ms (results in faster booting) */ - } -#endif - speed = miiphy_speed (reg); - duplex = miiphy_duplex (reg); - - if (hw_p->print_speed) { - hw_p->print_speed = 0; - printf ("ENET Speed is %d Mbps - %s duplex connection\n", - (int) speed, (duplex == HALF) ? "HALF" : "FULL"); - } - - mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT); - /* Errata 1.12: MAL_1 -- Disable MAL bursting */ - if (get_pvr() == PVR_440GP_RB) { - mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB); - } - - /* Free "old" buffers */ - if (hw_p->alloc_tx_buf) - free (hw_p->alloc_tx_buf); - if (hw_p->alloc_rx_buf) - free (hw_p->alloc_rx_buf); - - /* - * Malloc MAL buffer desciptors, make sure they are - * aligned on cache line boundary size - * (401/403/IOP480 = 16, 405 = 32) - * and doesn't cross cache block boundaries. - */ - hw_p->alloc_tx_buf = - (mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_TX_BUFF) + - ((2 * CFG_CACHELINE_SIZE) - 2)); - if (((int) hw_p->alloc_tx_buf & CACHELINE_MASK) != 0) { - hw_p->tx = - (mal_desc_t *) ((int) hw_p->alloc_tx_buf + - CFG_CACHELINE_SIZE - - ((int) hw_p-> - alloc_tx_buf & CACHELINE_MASK)); - } else { - hw_p->tx = hw_p->alloc_tx_buf; - } - - hw_p->alloc_rx_buf = - (mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_RX_BUFF) + - ((2 * CFG_CACHELINE_SIZE) - 2)); - if (((int) hw_p->alloc_rx_buf & CACHELINE_MASK) != 0) { - hw_p->rx = - (mal_desc_t *) ((int) hw_p->alloc_rx_buf + - CFG_CACHELINE_SIZE - - ((int) hw_p-> - alloc_rx_buf & CACHELINE_MASK)); - } else { - hw_p->rx = hw_p->alloc_rx_buf; - } - - for (i = 0; i < NUM_TX_BUFF; i++) { - hw_p->tx[i].ctrl = 0; - hw_p->tx[i].data_len = 0; - if (hw_p->first_init == 0) - hw_p->txbuf_ptr = - (char *) malloc (ENET_MAX_MTU_ALIGNED); - hw_p->tx[i].data_ptr = hw_p->txbuf_ptr; - if ((NUM_TX_BUFF - 1) == i) - hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP; - hw_p->tx_run[i] = -1; -#if 0 - printf ("TX_BUFF %d @ 0x%08lx\n", i, - (ulong) hw_p->tx[i].data_ptr); -#endif - } - - for (i = 0; i < NUM_RX_BUFF; i++) { - hw_p->rx[i].ctrl = 0; - hw_p->rx[i].data_len = 0; - /* rx[i].data_ptr = (char *) &rx_buff[i]; */ - hw_p->rx[i].data_ptr = (char *) NetRxPackets[i]; - if ((NUM_RX_BUFF - 1) == i) - hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP; - hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR; - hw_p->rx_ready[i] = -1; -#if 0 - printf ("RX_BUFF %d @ 0x%08lx\n", i, (ulong) rx[i].data_ptr); -#endif - } - - reg = 0x00000000; - reg |= dev->enetaddr[0]; /* set high address */ - reg = reg << 8; - reg |= dev->enetaddr[1]; - - out32 (EMAC_IAH + hw_p->hw_addr, reg); - - reg = 0x00000000; - reg |= dev->enetaddr[2]; /* set low address */ - reg = reg << 8; - reg |= dev->enetaddr[3]; - reg = reg << 8; - reg |= dev->enetaddr[4]; - reg = reg << 8; - reg |= dev->enetaddr[5]; - - out32 (EMAC_IAL + hw_p->hw_addr, reg); - - switch (devnum) { -#if defined(CONFIG_NET_MULTI) - case 1: - /* setup MAL tx & rx channel pointers */ - /* For 405EP, the EMAC1 tx channel 0 is MAL tx channel 2 */ - mtdcr (maltxctp2r, hw_p->tx); - mtdcr (malrxctp1r, hw_p->rx); - /* set RX buffer size */ - mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16); - break; -#endif - case 0: - default: - /* setup MAL tx & rx channel pointers */ - mtdcr (maltxctp0r, hw_p->tx); - mtdcr (malrxctp0r, hw_p->rx); - /* set RX buffer size */ - mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16); - break; - } - - /* Enable MAL transmit and receive channels */ - mtdcr (maltxcasr, (MAL_TXRX_CASR >> (hw_p->devnum * 2))); - mtdcr (malrxcasr, (MAL_TXRX_CASR >> hw_p->devnum)); - - /* set transmit enable & receive enable */ - out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE); - - /* set receive fifo to 4k and tx fifo to 2k */ - mode_reg = in32 (EMAC_M1 + hw_p->hw_addr); - mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K; - - /* set speed */ - if (speed == _100BASET) - mode_reg = mode_reg | EMAC_M1_MF_100MBPS | EMAC_M1_IST; - else - mode_reg = mode_reg & ~0x00C00000; /* 10 MBPS */ - if (duplex == FULL) - mode_reg = mode_reg | 0x80000000 | EMAC_M1_IST; - - out32 (EMAC_M1 + hw_p->hw_addr, mode_reg); - -#if defined(CONFIG_440) - /* set speed in the ZMII bridge */ - if (speed == _100BASET) - out32(ZMII_SSR, in32(ZMII_SSR) | 0x10000000); - else - out32(ZMII_SSR, in32(ZMII_SSR) & ~0x10000000); -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) - mfsdr(sdr_mfr, reg); - /* set speed */ - if (speed == _100BASET) { - out32(ZMII_SSR, in32(ZMII_SSR) | 0x10000000); - reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_100M; - } else { - reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M; - out32(ZMII_SSR, in32(ZMII_SSR) & ~0x10000000); - } - mtsdr(sdr_mfr, reg); -#endif -#endif - - /* Enable broadcast and indvidual address */ - /* TBS: enabling runts as some misbehaved nics will send runts */ - out32 (EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE); - - /* we probably need to set the tx mode1 reg? maybe at tx time */ - - /* set transmit request threshold register */ - out32 (EMAC_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */ - -#if defined(CONFIG_440) - /* 440GP has a 64 byte burst length */ - out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000); - out32 (EMAC_TXM1 + hw_p->hw_addr, 0xf8640000); -#else - /* 405s have a 16 byte burst length */ - out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000); -#endif - - /* Frame gap set */ - out32 (EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008); - - /* Set EMAC IER */ - hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | - EMAC_ISR_ORE | EMAC_ISR_IRE; - if (speed == _100BASET) - hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE; - - out32 (EMAC_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */ - out32 (EMAC_IER + hw_p->hw_addr, hw_p->emac_ier); - - if (hw_p->first_init == 0) { - /* - * Connect interrupt service routines - */ - irq_install_handler (VECNUM_ETH0 + (hw_p->devnum * 2), - (interrupt_handler_t *) enetInt, dev); - } - - mtmsr (msr); /* enable interrupts again */ - - hw_p->bis = bis; - hw_p->first_init = 1; - - return (1); -} - - -static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, int len) -{ - struct enet_frame *ef_ptr; - ulong time_start, time_now; - unsigned long temp_txm0; - EMAC_405_HW_PST hw_p = dev->priv; - - ef_ptr = (struct enet_frame *) ptr; - - /*-----------------------------------------------------------------------+ - * Copy in our address into the frame. - *-----------------------------------------------------------------------*/ - (void) memcpy (ef_ptr->source_addr, dev->enetaddr, ENET_ADDR_LENGTH); - - /*-----------------------------------------------------------------------+ - * If frame is too long or too short, modify length. - *-----------------------------------------------------------------------*/ - /* TBS: where does the fragment go???? */ - if (len > ENET_MAX_MTU) - len = ENET_MAX_MTU; - - /* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */ - memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len); - - /*-----------------------------------------------------------------------+ - * set TX Buffer busy, and send it - *-----------------------------------------------------------------------*/ - hw_p->tx[hw_p->tx_slot].ctrl = (MAL_TX_CTRL_LAST | - EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP) & - ~(EMAC_TX_CTRL_ISA | EMAC_TX_CTRL_RSA); - if ((NUM_TX_BUFF - 1) == hw_p->tx_slot) - hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_WRAP; - - hw_p->tx[hw_p->tx_slot].data_len = (short) len; - hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY; - - __asm__ volatile ("eieio"); - - out32 (EMAC_TXM0 + hw_p->hw_addr, - in32 (EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0); -#ifdef INFO_405_ENET - hw_p->stats.pkts_tx++; -#endif - - /*-----------------------------------------------------------------------+ - * poll unitl the packet is sent and then make sure it is OK - *-----------------------------------------------------------------------*/ - time_start = get_timer (0); - while (1) { - temp_txm0 = in32 (EMAC_TXM0 + hw_p->hw_addr); - /* loop until either TINT turns on or 3 seconds elapse */ - if ((temp_txm0 & EMAC_TXM0_GNP0) != 0) { - /* transmit is done, so now check for errors - * If there is an error, an interrupt should - * happen when we return - */ - time_now = get_timer (0); - if ((time_now - time_start) > 3000) { - return (-1); - } - } else { - return (len); - } - } -} - -#if defined(CONFIG_440) -int enetInt (struct eth_device *dev) -{ - int serviced; - int rc = -1; /* default to not us */ - unsigned long mal_isr; - unsigned long emac_isr = 0; - unsigned long mal_rx_eob; - unsigned long my_uic0msr, my_uic1msr; - EMAC_405_HW_PST hw_p; - - /* - * Because the mal is generic, we need to get the current - * eth device - */ -#if defined(CONFIG_NET_MULTI) - dev = eth_get_dev(); -#else - dev = emac0_dev; -#endif - hw_p = dev->priv; - - /* enter loop that stays in interrupt code until nothing to service */ - do { - serviced = 0; - - my_uic0msr = mfdcr (uic0msr); - my_uic1msr = mfdcr (uic1msr); - - if (!(my_uic0msr & UIC_MRE) - && !(my_uic1msr & (UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE))) { - /* not for us */ - return (rc); - } - - /* get and clear controller status interrupts */ - /* look at Mal and EMAC interrupts */ - if ((my_uic0msr & UIC_MRE) - || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { - /* we have a MAL interrupt */ - mal_isr = mfdcr (malesr); - /* look for mal error */ - if (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE)) { - mal_err (dev, mal_isr, my_uic0msr, MAL_UIC_DEF, MAL_UIC_ERR); - serviced = 1; - rc = 0; - } - } - if (UIC_ETH0 & my_uic1msr) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); - if ((hw_p->emac_ier & emac_isr) != 0) { - emac_err (dev, emac_isr); - serviced = 1; - rc = 0; - } - } - if ((hw_p->emac_ier & emac_isr) - || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { - mtdcr (uic0sr, UIC_MRE); /* Clear */ - mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ - return (rc); /* we had errors so get out */ - } - - /* handle MAL RX EOB interupt from a receive */ - /* check for EOB on valid channels */ - if (my_uic0msr & UIC_MRE) { - mal_rx_eob = mfdcr (malrxeobisr); - if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel 0 */ - /* clear EOB - mtdcr(malrxeobisr, mal_rx_eob); */ - enet_rcv (dev, emac_isr); - /* indicate that we serviced an interrupt */ - serviced = 1; - rc = 0; - } - } - mtdcr (uic0sr, UIC_MRE); /* Clear */ - mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ - } while (serviced); - - return (rc); -} - -#else /* CONFIG_440 */ - -int enetInt (struct eth_device *dev) -{ - int serviced; - int rc = -1; /* default to not us */ - unsigned long mal_isr; - unsigned long emac_isr = 0; - unsigned long mal_rx_eob; - unsigned long my_uicmsr; - - EMAC_405_HW_PST hw_p; - - /* - * Because the mal is generic, we need to get the current - * eth device - */ -#if defined(CONFIG_NET_MULTI) - dev = eth_get_dev(); -#else - dev = emac0_dev; -#endif - - hw_p = dev->priv; - - /* enter loop that stays in interrupt code until nothing to service */ - do { - serviced = 0; - - my_uicmsr = mfdcr (uicmsr); - - if ((my_uicmsr & (MAL_UIC_DEF | EMAC_UIC_DEF)) == 0) { /* not for us */ - return (rc); - } - /* get and clear controller status interrupts */ - /* look at Mal and EMAC interrupts */ - if ((MAL_UIC_DEF & my_uicmsr) != 0) { /* we have a MAL interrupt */ - mal_isr = mfdcr (malesr); - /* look for mal error */ - if ((my_uicmsr & MAL_UIC_ERR) != 0) { - mal_err (dev, mal_isr, my_uicmsr, MAL_UIC_DEF, MAL_UIC_ERR); - serviced = 1; - rc = 0; - } - } - - /* port by port dispatch of emac interrupts */ - - if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); - if ((hw_p->emac_ier & emac_isr) != 0) { - emac_err (dev, emac_isr); - serviced = 1; - rc = 0; - } - } - if (((hw_p->emac_ier & emac_isr) != 0) || ((MAL_UIC_ERR & my_uicmsr) != 0)) { - mtdcr (uicsr, MAL_UIC_DEF | SEL_UIC_DEF(hw_p->devnum)); /* Clear */ - return (rc); /* we had errors so get out */ - } - - /* handle MAX TX EOB interrupt from a tx */ - if (my_uicmsr & UIC_MAL_TXEOB) { - mal_rx_eob = mfdcr (maltxeobisr); - mtdcr (maltxeobisr, mal_rx_eob); - mtdcr (uicsr, UIC_MAL_TXEOB); - } - /* handle MAL RX EOB interupt from a receive */ - /* check for EOB on valid channels */ - if (my_uicmsr & UIC_MAL_RXEOB) - { - mal_rx_eob = mfdcr (malrxeobisr); - if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */ - /* clear EOB - mtdcr(malrxeobisr, mal_rx_eob); */ - enet_rcv (dev, emac_isr); - /* indicate that we serviced an interrupt */ - serviced = 1; - rc = 0; - } - } - mtdcr (uicsr, MAL_UIC_DEF|EMAC_UIC_DEF|EMAC_UIC_DEF1); /* Clear */ - } - while (serviced); - - return (rc); -} -#endif -/*-----------------------------------------------------------------------------+ - * MAL Error Routine - *-----------------------------------------------------------------------------*/ -static void mal_err (struct eth_device *dev, unsigned long isr, - unsigned long uic, unsigned long maldef, - unsigned long mal_errr) -{ - EMAC_405_HW_PST hw_p = dev->priv; - - mtdcr (malesr, isr); /* clear interrupt */ - - /* clear DE interrupt */ - mtdcr (maltxdeir, 0xC0000000); - mtdcr (malrxdeir, 0x80000000); - -#ifdef INFO_405_ENET - printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n", isr, uic, maldef, mal_errr); -#endif - - eth_init (hw_p->bis); /* start again... */ -} - -/*-----------------------------------------------------------------------------+ - * EMAC Error Routine - *-----------------------------------------------------------------------------*/ -static void emac_err (struct eth_device *dev, unsigned long isr) -{ - EMAC_405_HW_PST hw_p = dev->priv; - - printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr); - out32 (EMAC_ISR + hw_p->hw_addr, isr); -} - -/*-----------------------------------------------------------------------------+ - * enet_rcv() handles the ethernet receive data - *-----------------------------------------------------------------------------*/ -static void enet_rcv (struct eth_device *dev, unsigned long malisr) -{ - struct enet_frame *ef_ptr; - unsigned long data_len; - unsigned long rx_eob_isr; - EMAC_405_HW_PST hw_p = dev->priv; - - int handled = 0; - int i; - int loop_count = 0; - - rx_eob_isr = mfdcr (malrxeobisr); - if ((0x80000000 >> hw_p->devnum) & rx_eob_isr) { - /* clear EOB */ - mtdcr (malrxeobisr, rx_eob_isr); - - /* EMAC RX done */ - while (1) { /* do all */ - i = hw_p->rx_slot; - - if ((MAL_RX_CTRL_EMPTY & hw_p->rx[i].ctrl) - || (loop_count >= NUM_RX_BUFF)) - break; - loop_count++; - hw_p->rx_slot++; - if (NUM_RX_BUFF == hw_p->rx_slot) - hw_p->rx_slot = 0; - handled++; - data_len = (unsigned long) hw_p->rx[i].data_len; /* Get len */ - if (data_len) { - if (data_len > ENET_MAX_MTU) /* Check len */ - data_len = 0; - else { - if (EMAC_RX_ERRORS & hw_p->rx[i].ctrl) { /* Check Errors */ - data_len = 0; - hw_p->stats.rx_err_log[hw_p-> - rx_err_index] - = hw_p->rx[i].ctrl; - hw_p->rx_err_index++; - if (hw_p->rx_err_index == - MAX_ERR_LOG) - hw_p->rx_err_index = - 0; - } /* emac_erros */ - } /* data_len < max mtu */ - } /* if data_len */ - if (!data_len) { /* no data */ - hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY; /* Free Recv Buffer */ - - hw_p->stats.data_len_err++; /* Error at Rx */ - } - - /* !data_len */ - /* AS.HARNOIS */ - /* Check if user has already eaten buffer */ - /* if not => ERROR */ - else if (hw_p->rx_ready[hw_p->rx_i_index] != -1) { - if (hw_p->is_receiving) - printf ("ERROR : Receive buffers are full!\n"); - break; - } else { - hw_p->stats.rx_frames++; - hw_p->stats.rx += data_len; - ef_ptr = (struct enet_frame *) hw_p->rx[i]. - data_ptr; -#ifdef INFO_405_ENET - hw_p->stats.pkts_rx++; -#endif - /* AS.HARNOIS - * use ring buffer - */ - hw_p->rx_ready[hw_p->rx_i_index] = i; - hw_p->rx_i_index++; - if (NUM_RX_BUFF == hw_p->rx_i_index) - hw_p->rx_i_index = 0; - - /* printf("X"); /|* test-only *|/ */ - - /* AS.HARNOIS - * free receive buffer only when - * buffer has been handled (eth_rx) - rx[i].ctrl |= MAL_RX_CTRL_EMPTY; - */ - } /* if data_len */ - } /* while */ - } /* if EMACK_RXCHL */ -} - - -static int ppc_4xx_eth_rx (struct eth_device *dev) -{ - int length; - int user_index; - unsigned long msr; - EMAC_405_HW_PST hw_p = dev->priv; - - hw_p->is_receiving = 1; /* tell driver */ - - for (;;) { - /* AS.HARNOIS - * use ring buffer and - * get index from rx buffer desciptor queue - */ - user_index = hw_p->rx_ready[hw_p->rx_u_index]; - if (user_index == -1) { - length = -1; - break; /* nothing received - leave for() loop */ - } - - msr = mfmsr (); - mtmsr (msr & ~(MSR_EE)); - - length = hw_p->rx[user_index].data_len; - - /* Pass the packet up to the protocol layers. */ - /* NetReceive(NetRxPackets[rxIdx], length - 4); */ - /* NetReceive(NetRxPackets[i], length); */ - NetReceive (NetRxPackets[user_index], length - 4); - /* Free Recv Buffer */ - hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY; - /* Free rx buffer descriptor queue */ - hw_p->rx_ready[hw_p->rx_u_index] = -1; - hw_p->rx_u_index++; - if (NUM_RX_BUFF == hw_p->rx_u_index) - hw_p->rx_u_index = 0; - -#ifdef INFO_405_ENET - hw_p->stats.pkts_handled++; -#endif - - mtmsr (msr); /* Enable IRQ's */ - } - - hw_p->is_receiving = 0; /* tell driver */ - - return length; -} - -static int virgin = 0; -int ppc_4xx_eth_initialize (bd_t * bis) -{ - struct eth_device *dev; - int eth_num = 0; - - EMAC_405_HW_PST hw = NULL; - - for (eth_num = 0; eth_num < EMAC_NUM_DEV; eth_num++) { - - /* Allocate device structure */ - dev = (struct eth_device *) malloc (sizeof (*dev)); - if (dev == NULL) { - printf ("ppc_405x_eth_initialize: " - "Cannot allocate eth_device %d\n", eth_num); - return (-1); - } - memset(dev, 0, sizeof(*dev)); - /* Allocate our private use data */ - hw = (EMAC_405_HW_PST) malloc (sizeof (*hw)); - if (hw == NULL) { - printf ("ppc_405x_eth_initialize: " - "Cannot allocate private hw data for eth_device %d", - eth_num); - free (dev); - return (-1); - } - memset(hw, 0, sizeof(*hw)); - - switch (eth_num) { - case 0: - hw->hw_addr = 0; - memcpy (dev->enetaddr, bis->bi_enetaddr, 6); - break; -#if defined(CONFIG_NET_MULTI) - case 1: - hw->hw_addr = 0x100; - memcpy (dev->enetaddr, bis->bi_enet1addr, 6); - break; -#endif - default: - hw->hw_addr = 0; - memcpy (dev->enetaddr, bis->bi_enetaddr, 6); - break; - } - - hw->devnum = eth_num; - hw->print_speed = 1; - - sprintf (dev->name, "ppc_405x_eth%d", eth_num); - dev->priv = (void *) hw; - dev->init = ppc_4xx_eth_init; - dev->halt = ppc_4xx_eth_halt; - dev->send = ppc_4xx_eth_send; - dev->recv = ppc_4xx_eth_rx; - - if (0 == virgin) { - /* set the MAL IER ??? names may change with new spec ??? */ - mal_ier = - MAL_IER_DE | MAL_IER_NE | MAL_IER_TE | - MAL_IER_OPBE | MAL_IER_PLBE; - mtdcr (malesr, 0xffffffff); /* clear pending interrupts */ - mtdcr (maltxdeir, 0xffffffff); /* clear pending interrupts */ - mtdcr (malrxdeir, 0xffffffff); /* clear pending interrupts */ - mtdcr (malier, mal_ier); - - /* install MAL interrupt handler */ - irq_install_handler (VECNUM_MS, - (interrupt_handler_t *) enetInt, - dev); - irq_install_handler (VECNUM_MTE, - (interrupt_handler_t *) enetInt, - dev); - irq_install_handler (VECNUM_MRE, - (interrupt_handler_t *) enetInt, - dev); - irq_install_handler (VECNUM_TXDE, - (interrupt_handler_t *) enetInt, - dev); - irq_install_handler (VECNUM_RXDE, - (interrupt_handler_t *) enetInt, - dev); - virgin = 1; - } - -#if defined(CONFIG_NET_MULTI) - eth_register (dev); -#else - emac0_dev = dev; -#endif - - } /* end for each supported device */ - - return (1); -} - -#if !defined(CONFIG_NET_MULTI) -void eth_halt (void) { - if (emac0_dev) { - ppc_4xx_eth_halt(emac0_dev); - free(emac0_dev); - emac0_dev = NULL; - } -} - -int eth_init (bd_t *bis) -{ - ppc_4xx_eth_initialize(bis); - return(ppc_4xx_eth_init(emac0_dev, bis)); -} - -int eth_send(volatile void *packet, int length) -{ - - return (ppc_4xx_eth_send(emac0_dev, packet, length)); -} - -int eth_rx(void) -{ - return (ppc_4xx_eth_rx(emac0_dev)); -} -#endif - -#endif /* CONFIG_405 */ diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c index 89be137..f6b29e9 100644 --- a/cpu/ppc4xx/405gp_pci.c +++ b/cpu/ppc4xx/405gp_pci.c @@ -81,6 +81,10 @@ #ifdef CONFIG_PCI +#if defined(CONFIG_PMC405) +ushort pmc405_pci_subsys_deviceid(void); +#endif + /*#define DEBUG*/ /*-----------------------------------------------------------------------------+ @@ -96,13 +100,10 @@ void pci_405gp_init(struct pci_controller *hose) unsigned short temp_short; unsigned long ptmpcila[2] = {CFG_PCI_PTM1PCI, CFG_PCI_PTM2PCI}; #if defined(CONFIG_CPCI405) || defined(CONFIG_PMC405) - unsigned long ptmla[2] = {bd->bi_memstart, bd->bi_flashstart}; - unsigned long ptmms[2] = {~(bd->bi_memsize - 1) | 1, ~(bd->bi_flashsize - 1) | 1}; char *ptmla_str, *ptmms_str; -#else +#endif unsigned long ptmla[2] = {CFG_PCI_PTM1LA, CFG_PCI_PTM2LA}; unsigned long ptmms[2] = {CFG_PCI_PTM1MS, CFG_PCI_PTM2MS}; -#endif #if defined(CONFIG_PIP405) || defined (CONFIG_MIP405) unsigned long pmmla[3] = {0x80000000, 0xA0000000, 0}; unsigned long pmmma[3] = {0xE0000001, 0xE0000001, 0}; @@ -431,27 +432,33 @@ static struct pci_controller ppc440_hose = {0}; void pci_440_init (struct pci_controller *hose) { int reg_num = 0; - unsigned long strap; +#ifndef CONFIG_DISABLE_PISE_TEST /*--------------------------------------------------------------------------+ * The PCI initialization sequence enable bit must be set ... if not abort * pci setup since updating the bit requires chip reset. *--------------------------------------------------------------------------*/ -#if defined (CONFIG_440GX) || defined (CONFIG_440EP) || defined(CONFIG_440GR) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) + unsigned long strap; + mfsdr(sdr_sdstp1,strap); - if ( (strap & 0x00010000) == 0 ){ + if ((strap & SDR0_SDSTP1_PISE_MASK) == 0) { printf("PCI: SDR0_STRP1[PISE] not set.\n"); printf("PCI: Configuration aborted.\n"); return; } -#else +#elif defined(CONFIG_440GP) + unsigned long strap; + strap = mfdcr(cpc0_strp1); - if( (strap & 0x00040000) == 0 ){ + if ((strap & CPC0_STRP1_PISE_MASK) == 0) { printf("PCI: CPC0_STRP1[PISE] not set.\n"); printf("PCI: Configuration aborted.\n"); return; } #endif +#endif /* CONFIG_DISABLE_PISE_TEST */ + /*--------------------------------------------------------------------------+ * PCI controller init *--------------------------------------------------------------------------*/ @@ -460,26 +467,26 @@ void pci_440_init (struct pci_controller *hose) pci_set_region(hose->regions + reg_num++, 0x00000000, - PCIX0_IOBASE, - 0x10000, - PCI_REGION_IO); + PCIX0_IOBASE, + 0x10000, + PCI_REGION_IO); pci_set_region(hose->regions + reg_num++, CFG_PCI_TARGBASE, - CFG_PCI_MEMBASE, - 0x10000000, - PCI_REGION_MEM ); + CFG_PCI_MEMBASE, + 0x10000000, + PCI_REGION_MEM ); hose->region_count = reg_num; pci_setup_indirect(hose, PCIX0_CFGADR, PCIX0_CFGDATA); #if defined(CFG_PCI_PRE_INIT) - /* Let board change/modify hose & do initial checks */ - if( pci_pre_init (hose) == 0 ){ - printf("PCI: Board-specific initialization failed.\n"); - printf("PCI: Configuration aborted.\n"); - return; - } + /* Let board change/modify hose & do initial checks */ + if (pci_pre_init (hose) == 0) { + printf("PCI: Board-specific initialization failed.\n"); + printf("PCI: Configuration aborted.\n"); + return; + } #endif pci_register_hose( hose ); @@ -490,9 +497,9 @@ void pci_440_init (struct pci_controller *hose) #if defined(CFG_PCI_TARGET_INIT) pci_target_init(hose); /* Let board setup pci target */ #else - out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID ); - out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_ID ); - out16r( PCIX0_CLS, 0x00060000 ); /* Bridge, host bridge */ + out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID ); + out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_ID ); + out16r( PCIX0_CLS, 0x00060000 ); /* Bridge, host bridge */ #endif #if defined(CONFIG_440GX) @@ -518,24 +525,24 @@ void pci_440_init (struct pci_controller *hose) out32r( PCIX0_POM0PCIAL, CFG_PCI_MEMBASE ); out32r( PCIX0_POM0PCIAH, 0x00000000 ); out32r( PCIX0_POM0SA, 0xf0000001 ); /* 256MB, enabled */ - out32r( PCIX0_STS, in32r( PCIX0_STS ) & ~0x0000fff8 ); + out32r( PCIX0_STS, in32r( PCIX0_STS ) & ~0x0000fff8 ); #endif /*--------------------------------------------------------------------------+ * PCI host configuration -- we don't make any assumptions here ... the - * _board_must_indicate_ what to do -- there's just too many runtime - * scenarios in environments like cPCI, PPMC, etc. to make a determination - * based on hard-coded values or state of arbiter enable. + * _board_must_indicate_ what to do -- there's just too many runtime + * scenarios in environments like cPCI, PPMC, etc. to make a determination + * based on hard-coded values or state of arbiter enable. *--------------------------------------------------------------------------*/ - if( is_pci_host(hose) ){ + if (is_pci_host(hose)) { #ifdef CONFIG_PCI_SCAN_SHOW - printf("PCI: Bus Dev VenId DevId Class Int\n"); + printf("PCI: Bus Dev VenId DevId Class Int\n"); #endif #if !defined(CONFIG_440EP) && !defined(CONFIG_440GR) - out16r( PCIX0_CMD, in16r( PCIX0_CMD ) | PCI_COMMAND_MASTER); + out16r( PCIX0_CMD, in16r( PCIX0_CMD ) | PCI_COMMAND_MASTER); #endif - hose->last_busno = pci_hose_scan(hose); - } + hose->last_busno = pci_hose_scan(hose); + } } diff --git a/cpu/ppc4xx/440gx_enet.c b/cpu/ppc4xx/4xx_enet.c index d0b6c15..86dc2d0 100644 --- a/cpu/ppc4xx/440gx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -1,111 +1,120 @@ /*-----------------------------------------------------------------------------+ * - * This source code has been made available to you by IBM on an AS-IS - * basis. Anyone receiving this source is licensed under IBM - * copyrights to use it in any way he or she deems fit, including - * copying it, modifying it, compiling it, and redistributing it either - * with or without modifications. No license under IBM patents or - * patent applications is to be implied by the copyright license. + * This source code has been made available to you by IBM on an AS-IS + * basis. Anyone receiving this source is licensed under IBM + * copyrights to use it in any way he or she deems fit, including + * copying it, modifying it, compiling it, and redistributing it either + * with or without modifications. No license under IBM patents or + * patent applications is to be implied by the copyright license. * - * Any user of this software should understand that IBM cannot provide - * technical support for this software and will not be responsible for - * any consequences resulting from the use of this software. + * Any user of this software should understand that IBM cannot provide + * technical support for this software and will not be responsible for + * any consequences resulting from the use of this software. * - * Any person who transfers this source code or any derivative work - * must include the IBM copyright notice, this paragraph, and the - * preceding two paragraphs in the transferred software. + * Any person who transfers this source code or any derivative work + * must include the IBM copyright notice, this paragraph, and the + * preceding two paragraphs in the transferred software. * - * COPYRIGHT I B M CORPORATION 1995 - * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M + * COPYRIGHT I B M CORPORATION 1995 + * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M *-----------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------+ * - * File Name: enetemac.c + * File Name: enetemac.c * - * Function: Device driver for the ethernet EMAC3 macro on the 405GP. + * Function: Device driver for the ethernet EMAC3 macro on the 405GP. * - * Author: Mark Wisner + * Author: Mark Wisner * * Change Activity- * - * Date Description of Change BY - * --------- --------------------- --- - * 05-May-99 Created MKW - * 27-Jun-99 Clean up JWB - * 16-Jul-99 Added MAL error recovery and better IP packet handling MKW - * 29-Jul-99 Added Full duplex support MKW - * 06-Aug-99 Changed names for Mal CR reg MKW - * 23-Aug-99 Turned off SYE when running at 10Mbs MKW - * 24-Aug-99 Marked descriptor empty after call_xlc MKW - * 07-Sep-99 Set MAL RX buffer size reg to ENET_MAX_MTU_ALIGNED / 16 MCG - * to avoid chaining maximum sized packets. Push starting - * RX descriptor address up to the next cache line boundary. - * 16-Jan-00 Added support for booting with IP of 0x0 MKW - * 15-Mar-00 Updated enetInit() to enable broadcast addresses in the - * EMAC_RXM register. JWB - * 12-Mar-01 anne-sophie.harnois@nextream.fr - * - Variables are compatible with those already defined in - * include/net.h - * - Receive buffer descriptor ring is used to send buffers - * to the user - * - Info print about send/received/handled packet number if - * INFO_405_ENET is set - * 17-Apr-01 stefan.roese@esd-electronics.com - * - MAL reset in "eth_halt" included - * - Enet speed and duplex output now in one line - * 08-May-01 stefan.roese@esd-electronics.com - * - MAL error handling added (eth_init called again) - * 13-Nov-01 stefan.roese@esd-electronics.com - * - Set IST bit in EMAC_M1 reg upon 100MBit or full duplex - * 04-Jan-02 stefan.roese@esd-electronics.com - * - Wait for PHY auto negotiation to complete added - * 06-Feb-02 stefan.roese@esd-electronics.com - * - Bug fixed in waiting for auto negotiation to complete - * 26-Feb-02 stefan.roese@esd-electronics.com - * - rx and tx buffer descriptors now allocated (no fixed address - * used anymore) - * 17-Jun-02 stefan.roese@esd-electronics.com - * - MAL error debug printf 'M' removed (rx de interrupt may - * occur upon many incoming packets with only 4 rx buffers). + * Date Description of Change BY + * --------- --------------------- --- + * 05-May-99 Created MKW + * 27-Jun-99 Clean up JWB + * 16-Jul-99 Added MAL error recovery and better IP packet handling MKW + * 29-Jul-99 Added Full duplex support MKW + * 06-Aug-99 Changed names for Mal CR reg MKW + * 23-Aug-99 Turned off SYE when running at 10Mbs MKW + * 24-Aug-99 Marked descriptor empty after call_xlc MKW + * 07-Sep-99 Set MAL RX buffer size reg to ENET_MAX_MTU_ALIGNED / 16 MCG + * to avoid chaining maximum sized packets. Push starting + * RX descriptor address up to the next cache line boundary. + * 16-Jan-00 Added support for booting with IP of 0x0 MKW + * 15-Mar-00 Updated enetInit() to enable broadcast addresses in the + * EMAC_RXM register. JWB + * 12-Mar-01 anne-sophie.harnois@nextream.fr + * - Variables are compatible with those already defined in + * include/net.h + * - Receive buffer descriptor ring is used to send buffers + * to the user + * - Info print about send/received/handled packet number if + * INFO_405_ENET is set + * 17-Apr-01 stefan.roese@esd-electronics.com + * - MAL reset in "eth_halt" included + * - Enet speed and duplex output now in one line + * 08-May-01 stefan.roese@esd-electronics.com + * - MAL error handling added (eth_init called again) + * 13-Nov-01 stefan.roese@esd-electronics.com + * - Set IST bit in EMAC_M1 reg upon 100MBit or full duplex + * 04-Jan-02 stefan.roese@esd-electronics.com + * - Wait for PHY auto negotiation to complete added + * 06-Feb-02 stefan.roese@esd-electronics.com + * - Bug fixed in waiting for auto negotiation to complete + * 26-Feb-02 stefan.roese@esd-electronics.com + * - rx and tx buffer descriptors now allocated (no fixed address + * used anymore) + * 17-Jun-02 stefan.roese@esd-electronics.com + * - MAL error debug printf 'M' removed (rx de interrupt may + * occur upon many incoming packets with only 4 rx buffers). *-----------------------------------------------------------------------------* - * 17-Nov-03 travis.sawyer@sandburst.com - * - ported from 405gp_enet.c to utilized upto 4 EMAC ports - * in the 440GX. This port should work with the 440GP - * (2 EMACs) also + * 17-Nov-03 travis.sawyer@sandburst.com + * - ported from 405gp_enet.c to utilized upto 4 EMAC ports + * in the 440GX. This port should work with the 440GP + * (2 EMACs) also + * 15-Aug-05 sr@denx.de + * - merged 405gp_enet.c and 440gx_enet.c to generic 4xx_enet.c + now handling all 4xx cpu's. *-----------------------------------------------------------------------------*/ #include <config.h> -#if defined(CONFIG_440) && defined(CONFIG_NET_MULTI) - #include <common.h> #include <net.h> #include <asm/processor.h> -#include <ppc440.h> #include <commproc.h> -#include <440gx_enet.h> +#include <ppc4xx.h> +#include <ppc4xx_enet.h> #include <405_mal.h> #include <miiphy.h> #include <malloc.h> #include "vecnum.h" +/* + * Only compile for platform with AMCC EMAC ethernet controller and + * network support enabled. + * Remark: CONFIG_405 describes Xilinx PPC405 FPGA without EMAC controller! + */ +#if (CONFIG_COMMANDS & CFG_CMD_NET) && !defined(CONFIG_405) && !defined(CONFIG_IOP480) -#define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */ -#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */ +#if !(defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)) +#error "CONFIG_MII has to be defined!" +#endif + +#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_NET_MULTI) +#error "CONFIG_NET_MULTI has to be defined for NetConsole" +#endif +#define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */ +#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */ /* Ethernet Transmit and Receive Buffers */ /* AS.HARNOIS * In the same way ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from * PKTSIZE and PKTSIZE_ALIGN (include/net.h) */ -#define ENET_MAX_MTU PKTSIZE +#define ENET_MAX_MTU PKTSIZE #define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN - -/* define the number of channels implemented */ -#define EMAC_RXCHL EMAC_NUM_DEV -#define EMAC_TXCHL EMAC_NUM_DEV - /*-----------------------------------------------------------------------------+ * Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal * Interrupt Controller). @@ -113,19 +122,40 @@ #define MAL_UIC_ERR ( UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE) #define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR) #define EMAC_UIC_DEF UIC_ENET +#define EMAC_UIC_DEF1 UIC_ENET1 +#define SEL_UIC_DEF(p) (p ? UIC_ENET1 : UIC_ENET ) -#undef INFO_440_ENET +#undef INFO_4XX_ENET -#define BI_PHYMODE_NONE 0 -#define BI_PHYMODE_ZMII 1 +#define BI_PHYMODE_NONE 0 +#define BI_PHYMODE_ZMII 1 #define BI_PHYMODE_RGMII 2 + /*-----------------------------------------------------------------------------+ * Global variables. TX and RX descriptors and buffers. *-----------------------------------------------------------------------------*/ /* IER globals */ static uint32_t mal_ier; +#if !defined(CONFIG_NET_MULTI) +struct eth_device *emac0_dev = NULL; +#endif + +/* + * Get count of EMAC devices (doesn't have to be the max. possible number + * supported by the cpu) + */ +#if defined(CONFIG_HAS_ETH3) +#define LAST_EMAC_NUM 4 +#elif defined(CONFIG_HAS_ETH2) +#define LAST_EMAC_NUM 3 +#elif defined(CONFIG_HAS_ETH1) +#define LAST_EMAC_NUM 2 +#else +#define LAST_EMAC_NUM 1 +#endif + /*-----------------------------------------------------------------------------+ * Prototypes and externals. *-----------------------------------------------------------------------------*/ @@ -137,46 +167,52 @@ static void mal_err (struct eth_device *dev, unsigned long isr, unsigned long mal_errr); static void emac_err (struct eth_device *dev, unsigned long isr); +extern int phy_setup_aneg (char *devname, unsigned char addr); +extern int emac4xx_miiphy_read (char *devname, unsigned char addr, + unsigned char reg, unsigned short *value); +extern int emac4xx_miiphy_write (char *devname, unsigned char addr, + unsigned char reg, unsigned short value); + /*-----------------------------------------------------------------------------+ -| ppc_440x_eth_halt +| ppc_4xx_eth_halt | Disable MAL channel, and EMACn -| -| +-----------------------------------------------------------------------------*/ -static void ppc_440x_eth_halt (struct eth_device *dev) +static void ppc_4xx_eth_halt (struct eth_device *dev) { - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; uint32_t failsafe = 10000; out32 (EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */ /* 1st reset MAL channel */ /* Note: writing a 0 to a channel has no effect */ +#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) + mtdcr (maltxcarr, (MAL_CR_MMSR >> (hw_p->devnum * 2))); +#else mtdcr (maltxcarr, (MAL_CR_MMSR >> hw_p->devnum)); +#endif mtdcr (malrxcarr, (MAL_CR_MMSR >> hw_p->devnum)); /* wait for reset */ - while (mfdcr (maltxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) { + while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) { udelay (1000); /* Delay 1 MS so as not to hammer the register */ failsafe--; if (failsafe == 0) break; - } /* EMAC RESET */ out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); +#ifndef CONFIG_NETCONSOLE hw_p->print_speed = 1; /* print speed message again next time */ +#endif return; } -extern int phy_setup_aneg (unsigned char addr); -extern int miiphy_reset (unsigned char addr); - #if defined (CONFIG_440GX) -int ppc_440x_eth_setup_bridge(int devnum, bd_t * bis) +int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) { unsigned long pfc1; unsigned long zmiifer; @@ -267,10 +303,10 @@ int ppc_440x_eth_setup_bridge(int devnum, bd_t * bis) } #endif -static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) +static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) { int i, j; - unsigned long reg; + unsigned long reg = 0; unsigned long msr; unsigned long speed; unsigned long duplex; @@ -278,30 +314,36 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) unsigned mode_reg; unsigned short devnum; unsigned short reg_short; +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) sys_info_t sysinfo; #if defined(CONFIG_440GX) - int ethgroup; + int ethgroup = -1; +#endif #endif - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; /* before doing anything, figure out if we have a MAC address */ /* if not, bail */ - if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) + if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) { + printf("ERROR: ethaddr not set!\n"); return -1; + } +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) /* Need to get the OPB frequency so we can access the PHY */ get_sys_info (&sysinfo); +#endif msr = mfmsr (); mtmsr (msr & ~(MSR_EE)); /* disable interrupts */ devnum = hw_p->devnum; -#ifdef INFO_440_ENET +#ifdef INFO_4XX_ENET /* AS.HARNOIS * We should have : - * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX + * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX * In the most cases hw_p->stats.pkts_handled = hw_p->stats.pkts_rx, but it * is possible that new packets (without relationship with * current transfer) have got the time to arrived before @@ -320,31 +362,8 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) hw_p->stats.pkts_handled = 0; #endif - /* MAL Channel RESET */ - /* 1st reset MAL channel */ - /* Note: writing a 0 to a channel has no effect */ -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) - mtdcr (maltxcarr, (MAL_TXRX_CASR >> (hw_p->devnum*2))); -#else - mtdcr (maltxcarr, (MAL_TXRX_CASR >> hw_p->devnum)); -#endif - - mtdcr (malrxcarr, (MAL_TXRX_CASR >> hw_p->devnum)); - - /* wait for reset */ - /* TBS: should have udelay and failsafe here */ - failsafe = 10000; - /* wait for reset */ - while (mfdcr (maltxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) { - udelay (1000); /* Delay 1 MS so as not to hammer the register */ - failsafe--; - if (failsafe == 0) - break; - - } - - hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */ - hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */ + hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */ + hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */ hw_p->rx_slot = 0; /* MAL Receive Slot */ hw_p->rx_i_index = 0; /* Receive Interrupt Queue Index */ @@ -354,6 +373,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) hw_p->tx_i_index = 0; /* Transmit Interrupt Queue Index */ hw_p->tx_u_index = 0; /* Transmit User Queue Index */ +#if defined(CONFIG_440) && !defined(CONFIG_440SP) /* set RMII mode */ /* NOTE: 440GX spec states that mode is mutually exclusive */ /* NOTE: Therefore, disable all other EMACS, since we handle */ @@ -363,9 +383,12 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) udelay (100); #if defined(CONFIG_440EP) || defined(CONFIG_440GR) - out32 (ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); + out32 (ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); #elif defined(CONFIG_440GX) - ethgroup = ppc_440x_eth_setup_bridge(devnum, bis); + ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); +#elif defined(CONFIG_440GP) + /* set RMII mode */ + out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0); #else if ((devnum == 0) || (devnum == 1)) { out32 (ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); @@ -378,6 +401,8 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) #endif out32 (ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum)); +#endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ + __asm__ volatile ("eieio"); /* reset emac so we have access to the phy */ @@ -391,7 +416,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) failsafe--; } -#if defined(CONFIG_440GX) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) /* Whack the M1 register */ mode_reg = 0x0; mode_reg &= ~0x00000038; @@ -406,7 +431,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) mode_reg |= EMAC_M1_OBCI_GT100; out32 (EMAC_M1 + hw_p->hw_addr, mode_reg); -#endif /* defined(CONFIG_440GX) */ +#endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */ /* wait for PHY to complete auto negotiation */ reg_short = 0; @@ -415,9 +440,11 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) case 0: reg = CONFIG_PHY_ADDR; break; +#if defined (CONFIG_PHY1_ADDR) case 1: reg = CONFIG_PHY1_ADDR; break; +#endif #if defined (CONFIG_440GX) case 2: reg = CONFIG_PHY2_ADDR; @@ -433,15 +460,15 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) bis->bi_phynum[devnum] = reg; -#ifndef CONFIG_NO_PHY_RESET +#if defined(CONFIG_PHY_RESET) /* * Reset the phy, only if its the first time through * otherwise, just check the speeds & feeds */ if (hw_p->first_init == 0) { - miiphy_reset (reg); + miiphy_reset (dev->name, reg); -#if defined(CONFIG_440GX) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) #if defined(CONFIG_CIS8201_PHY) /* * Cicada 8201 PHY needs to have an extended register whacked @@ -449,9 +476,9 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) */ if ( ((devnum == 2) || (devnum ==3)) && (4 == ethgroup) ) { #if defined(CONFIG_CIS8201_SHORT_ETCH) - miiphy_write (reg, 23, 0x1300); + miiphy_write (dev->name, reg, 23, 0x1300); #else - miiphy_write (reg, 23, 0x1000); + miiphy_write (dev->name, reg, 23, 0x1000); #endif /* * Vitesse VSC8201/Cicada CIS8201 errata: @@ -459,26 +486,26 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) * This work around (provided by Vitesse) changes * the default timer convergence from 8ms to 12ms */ - miiphy_write (reg, 0x1f, 0x2a30); - miiphy_write (reg, 0x08, 0x0200); - miiphy_write (reg, 0x1f, 0x52b5); - miiphy_write (reg, 0x02, 0x0004); - miiphy_write (reg, 0x01, 0x0671); - miiphy_write (reg, 0x00, 0x8fae); - miiphy_write (reg, 0x1f, 0x2a30); - miiphy_write (reg, 0x08, 0x0000); - miiphy_write (reg, 0x1f, 0x0000); + miiphy_write (dev->name, reg, 0x1f, 0x2a30); + miiphy_write (dev->name, reg, 0x08, 0x0200); + miiphy_write (dev->name, reg, 0x1f, 0x52b5); + miiphy_write (dev->name, reg, 0x02, 0x0004); + miiphy_write (dev->name, reg, 0x01, 0x0671); + miiphy_write (dev->name, reg, 0x00, 0x8fae); + miiphy_write (dev->name, reg, 0x1f, 0x2a30); + miiphy_write (dev->name, reg, 0x08, 0x0000); + miiphy_write (dev->name, reg, 0x1f, 0x0000); /* end Vitesse/Cicada errata */ } #endif #endif /* Start/Restart autonegotiation */ - phy_setup_aneg (reg); + phy_setup_aneg (dev->name, reg); udelay (1000); } -#endif /* CONFIG_NO_PHY_RESET */ +#endif /* defined(CONFIG_PHY_RESET) */ - miiphy_read (reg, PHY_BMSR, ®_short); + miiphy_read (dev->name, reg, PHY_BMSR, ®_short); /* * Wait if PHY is capable of autonegotiation and autonegotiation is not complete @@ -500,15 +527,16 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) putc ('.'); } udelay (1000); /* 1 ms */ - miiphy_read (reg, PHY_BMSR, ®_short); + miiphy_read (dev->name, reg, PHY_BMSR, ®_short); } puts (" done\n"); udelay (500000); /* another 500 ms (results in faster booting) */ } -#endif - speed = miiphy_speed (reg); - duplex = miiphy_duplex (reg); +#endif /* #ifndef CONFIG_CS8952_PHY */ + + speed = miiphy_speed (dev->name, reg); + duplex = miiphy_duplex (dev->name, reg); if (hw_p->print_speed) { hw_p->print_speed = 0; @@ -516,6 +544,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) (int) speed, (duplex == HALF) ? "HALF" : "FULL"); } +#if defined(CONFIG_440) && !defined(CONFIG_440SP) #if defined(CONFIG_440EP) || defined(CONFIG_440GR) mfsdr(sdr_mfr, reg); if (speed == 100) { @@ -543,9 +572,10 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) out32 (RGMII_SSR, reg); } +#endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ /* set the Mal configuration reg */ -#if defined(CONFIG_440GX) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000); #else @@ -632,7 +662,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) for (i = 0; i < NUM_RX_BUFF; i++) { hw_p->rx[i].ctrl = 0; hw_p->rx[i].data_len = 0; - /* rx[i].data_ptr = (char *) &rx_buff[i]; */ + /* rx[i].data_ptr = (char *) &rx_buff[i]; */ hw_p->rx[i].data_ptr = (char *) NetRxPackets[i]; if ((NUM_RX_BUFF - 1) == i) hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP; @@ -665,13 +695,15 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) switch (devnum) { case 1: /* setup MAL tx & rx channel pointers */ -#if defined (CONFIG_440EP) || defined (CONFIG_440GR) +#if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR) mtdcr (maltxctp2r, hw_p->tx); #else mtdcr (maltxctp1r, hw_p->tx); #endif +#if defined(CONFIG_440) mtdcr (maltxbattr, 0x0); mtdcr (malrxbattr, 0x0); +#endif mtdcr (malrxctp1r, hw_p->rx); /* set RX buffer size */ mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16); @@ -680,8 +712,8 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) case 2: /* setup MAL tx & rx channel pointers */ mtdcr (maltxbattr, 0x0); - mtdcr (maltxctp2r, hw_p->tx); mtdcr (malrxbattr, 0x0); + mtdcr (maltxctp2r, hw_p->tx); mtdcr (malrxctp2r, hw_p->rx); /* set RX buffer size */ mtdcr (malrcbs2, ENET_MAX_MTU_ALIGNED / 16); @@ -699,9 +731,11 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) case 0: default: /* setup MAL tx & rx channel pointers */ +#if defined(CONFIG_440) mtdcr (maltxbattr, 0x0); - mtdcr (maltxctp0r, hw_p->tx); mtdcr (malrxbattr, 0x0); +#endif + mtdcr (maltxctp0r, hw_p->tx); mtdcr (malrxctp0r, hw_p->rx); /* set RX buffer size */ mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16); @@ -709,7 +743,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) } /* Enable MAL transmit and receive channels */ -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) +#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) mtdcr (maltxcasr, (MAL_TXRX_CASR >> (hw_p->devnum*2))); #else mtdcr (maltxcasr, (MAL_TXRX_CASR >> hw_p->devnum)); @@ -724,9 +758,16 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K; /* set speed */ - if (speed == _1000BASET) + if (speed == _1000BASET) { +#if defined(CONFIG_440SP) +#define SDR0_PFC1_EM_1000 0x00200000 + unsigned long pfc1; + mfsdr (sdr_pfc1, pfc1); + pfc1 |= SDR0_PFC1_EM_1000; + mtsdr (sdr_pfc1, pfc1); +#endif mode_reg = mode_reg | EMAC_M1_MF_1000MBPS | EMAC_M1_IST; - else if (speed == _100BASET) + } else if (speed == _100BASET) mode_reg = mode_reg | EMAC_M1_MF_100MBPS | EMAC_M1_IST; else mode_reg = mode_reg & ~0x00C00000; /* 10 MBPS */ @@ -744,9 +785,14 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) /* set transmit request threshold register */ out32 (EMAC_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */ - /* set receive low/high water mark register */ + /* set receive low/high water mark register */ +#if defined(CONFIG_440) /* 440GP has a 64 byte burst length */ out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000); +#else + /* 405s have a 16 byte burst length */ + out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000); +#endif /* defined(CONFIG_440) */ out32 (EMAC_TXM1 + hw_p->hw_addr, 0xf8640000); /* Set fifo limit entry in tx mode 0 */ @@ -755,8 +801,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) out32 (EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008); /* Set EMAC IER */ - hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | - EMAC_ISR_PTLE | EMAC_ISR_ORE | EMAC_ISR_IRE; + hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE; if (speed == _100BASET) hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE; @@ -767,8 +812,6 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) /* * Connect interrupt service routines */ - irq_install_handler (VECNUM_EWU0 + (hw_p->devnum * 2), - (interrupt_handler_t *) enetInt, dev); irq_install_handler (VECNUM_ETH0 + (hw_p->devnum * 2), (interrupt_handler_t *) enetInt, dev); } @@ -782,13 +825,13 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) } -static int ppc_440x_eth_send (struct eth_device *dev, volatile void *ptr, +static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, int len) { struct enet_frame *ef_ptr; ulong time_start, time_now; unsigned long temp_txm0; - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; ef_ptr = (struct enet_frame *) ptr; @@ -823,7 +866,7 @@ static int ppc_440x_eth_send (struct eth_device *dev, volatile void *ptr, out32 (EMAC_TXM0 + hw_p->hw_addr, in32 (EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0); -#ifdef INFO_440_ENET +#ifdef INFO_4XX_ENET hw_p->stats.pkts_tx++; #endif @@ -850,6 +893,20 @@ static int ppc_440x_eth_send (struct eth_device *dev, volatile void *ptr, } +#if defined (CONFIG_440) + +#if defined(CONFIG_440SP) +/* + * Hack: On 440SP all enet irq sources are located on UIC1 + * Needs some cleanup. --sr + */ +#define UIC0MSR uic1msr +#define UIC0SR uic1sr +#else +#define UIC0MSR uic0msr +#define UIC0SR uic0sr +#endif + int enetInt (struct eth_device *dev) { int serviced; @@ -862,30 +919,31 @@ int enetInt (struct eth_device *dev) #if defined(CONFIG_440GX) unsigned long my_uic2msr; #endif - EMAC_440GX_HW_PST hw_p; + EMAC_4XX_HW_PST hw_p; /* * Because the mal is generic, we need to get the current * eth device */ - dev = eth_get_dev (); +#if defined(CONFIG_NET_MULTI) + dev = eth_get_dev(); +#else + dev = emac0_dev; +#endif hw_p = dev->priv; - /* enter loop that stays in interrupt code until nothing to service */ do { serviced = 0; - my_uic0msr = mfdcr (uic0msr); + my_uic0msr = mfdcr (UIC0MSR); my_uic1msr = mfdcr (uic1msr); #if defined(CONFIG_440GX) my_uic2msr = mfdcr (uic2msr); #endif if (!(my_uic0msr & (UIC_MRE | UIC_MTE)) - && !(my_uic1msr & - (UIC_ETH0 | UIC_ETH1 | UIC_MS | UIC_MTDE | - UIC_MRDE))) { + && !(my_uic1msr & (UIC_ETH0 | UIC_ETH1 | UIC_MS | UIC_MTDE | UIC_MRDE))) { /* not for us */ return (rc); } @@ -923,12 +981,13 @@ int enetInt (struct eth_device *dev) } if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { - mtdcr (uic0sr, UIC_MRE | UIC_MTE); /* Clear */ + mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ mtdcr (uic1sr, UIC_ETH0 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ return (rc); /* we had errors so get out */ } } +#if !defined(CONFIG_440SP) if (hw_p->devnum == 1) { if (UIC_ETH1 & my_uic1msr) { /* look for EMAC errors */ emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); @@ -940,7 +999,7 @@ int enetInt (struct eth_device *dev) } if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { - mtdcr (uic0sr, UIC_MRE | UIC_MTE); /* Clear */ + mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ mtdcr (uic1sr, UIC_ETH1 | UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ return (rc); /* we had errors so get out */ } @@ -957,7 +1016,7 @@ int enetInt (struct eth_device *dev) } if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { - mtdcr (uic0sr, UIC_MRE | UIC_MTE); /* Clear */ + mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ mtdcr (uic2sr, UIC_ETH2); return (rc); /* we had errors so get out */ @@ -975,24 +1034,26 @@ int enetInt (struct eth_device *dev) } if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { - mtdcr (uic0sr, UIC_MRE | UIC_MTE); /* Clear */ + mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ mtdcr (uic2sr, UIC_ETH3); return (rc); /* we had errors so get out */ } } #endif /* CONFIG_440GX */ +#endif /* !CONFIG_440SP */ + /* handle MAX TX EOB interrupt from a tx */ if (my_uic0msr & UIC_MTE) { mal_rx_eob = mfdcr (maltxeobisr); mtdcr (maltxeobisr, mal_rx_eob); - mtdcr (uic0sr, UIC_MTE); + mtdcr (UIC0SR, UIC_MTE); } /* handle MAL RX EOB interupt from a receive */ /* check for EOB on valid channels */ if (my_uic0msr & UIC_MRE) { mal_rx_eob = mfdcr (malrxeobisr); - if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */ + if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */ /* clear EOB mtdcr(malrxeobisr, mal_rx_eob); */ enet_rcv (dev, emac_isr); @@ -1001,7 +1062,8 @@ int enetInt (struct eth_device *dev) rc = 0; } } - mtdcr (uic0sr, UIC_MRE); /* Clear */ + + mtdcr (UIC0SR, UIC_MRE); /* Clear */ mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ switch (hw_p->devnum) { case 0: @@ -1026,6 +1088,96 @@ int enetInt (struct eth_device *dev) return (rc); } +#else /* CONFIG_440 */ + +int enetInt (struct eth_device *dev) +{ + int serviced; + int rc = -1; /* default to not us */ + unsigned long mal_isr; + unsigned long emac_isr = 0; + unsigned long mal_rx_eob; + unsigned long my_uicmsr; + + EMAC_4XX_HW_PST hw_p; + + /* + * Because the mal is generic, we need to get the current + * eth device + */ +#if defined(CONFIG_NET_MULTI) + dev = eth_get_dev(); +#else + dev = emac0_dev; +#endif + + hw_p = dev->priv; + + /* enter loop that stays in interrupt code until nothing to service */ + do { + serviced = 0; + + my_uicmsr = mfdcr (uicmsr); + + if ((my_uicmsr & (MAL_UIC_DEF | EMAC_UIC_DEF)) == 0) { /* not for us */ + return (rc); + } + /* get and clear controller status interrupts */ + /* look at Mal and EMAC interrupts */ + if ((MAL_UIC_DEF & my_uicmsr) != 0) { /* we have a MAL interrupt */ + mal_isr = mfdcr (malesr); + /* look for mal error */ + if ((my_uicmsr & MAL_UIC_ERR) != 0) { + mal_err (dev, mal_isr, my_uicmsr, MAL_UIC_DEF, MAL_UIC_ERR); + serviced = 1; + rc = 0; + } + } + + /* port by port dispatch of emac interrupts */ + + if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) { /* look for EMAC errors */ + emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); + if ((hw_p->emac_ier & emac_isr) != 0) { + emac_err (dev, emac_isr); + serviced = 1; + rc = 0; + } + } + if (((hw_p->emac_ier & emac_isr) != 0) || ((MAL_UIC_ERR & my_uicmsr) != 0)) { + mtdcr (uicsr, MAL_UIC_DEF | SEL_UIC_DEF(hw_p->devnum)); /* Clear */ + return (rc); /* we had errors so get out */ + } + + /* handle MAX TX EOB interrupt from a tx */ + if (my_uicmsr & UIC_MAL_TXEOB) { + mal_rx_eob = mfdcr (maltxeobisr); + mtdcr (maltxeobisr, mal_rx_eob); + mtdcr (uicsr, UIC_MAL_TXEOB); + } + /* handle MAL RX EOB interupt from a receive */ + /* check for EOB on valid channels */ + if (my_uicmsr & UIC_MAL_RXEOB) + { + mal_rx_eob = mfdcr (malrxeobisr); + if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */ + /* clear EOB + mtdcr(malrxeobisr, mal_rx_eob); */ + enet_rcv (dev, emac_isr); + /* indicate that we serviced an interrupt */ + serviced = 1; + rc = 0; + } + } + mtdcr (uicsr, MAL_UIC_DEF|EMAC_UIC_DEF|EMAC_UIC_DEF1); /* Clear */ + } + while (serviced); + + return (rc); +} + +#endif /* CONFIG_440 */ + /*-----------------------------------------------------------------------------+ * MAL Error Routine *-----------------------------------------------------------------------------*/ @@ -1033,7 +1185,7 @@ static void mal_err (struct eth_device *dev, unsigned long isr, unsigned long uic, unsigned long maldef, unsigned long mal_errr) { - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; mtdcr (malesr, isr); /* clear interrupt */ @@ -1041,8 +1193,8 @@ static void mal_err (struct eth_device *dev, unsigned long isr, mtdcr (maltxdeir, 0xC0000000); mtdcr (malrxdeir, 0x80000000); -#ifdef INFO_440_ENET - printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n", isr, uic, maldef, mal_errr); +#ifdef INFO_4XX_ENET + printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n", isr, uic, maldef, mal_errr); #endif eth_init (hw_p->bis); /* start again... */ @@ -1053,7 +1205,7 @@ static void mal_err (struct eth_device *dev, unsigned long isr, *-----------------------------------------------------------------------------*/ static void emac_err (struct eth_device *dev, unsigned long isr) { - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr); out32 (EMAC_ISR + hw_p->hw_addr, isr); @@ -1067,7 +1219,7 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) struct enet_frame *ef_ptr; unsigned long data_len; unsigned long rx_eob_isr; - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; int handled = 0; int i; @@ -1127,7 +1279,7 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) hw_p->stats.rx += data_len; ef_ptr = (struct enet_frame *) hw_p->rx[i]. data_ptr; -#ifdef INFO_440_ENET +#ifdef INFO_4XX_ENET hw_p->stats.pkts_rx++; #endif /* AS.HARNOIS @@ -1138,8 +1290,6 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) if (NUM_RX_BUFF == hw_p->rx_i_index) hw_p->rx_i_index = 0; - /* printf("X"); /|* test-only *|/ */ - /* AS.HARNOIS * free receive buffer only when * buffer has been handled (eth_rx) @@ -1151,14 +1301,14 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) } -static int ppc_440x_eth_rx (struct eth_device *dev) +static int ppc_4xx_eth_rx (struct eth_device *dev) { int length; int user_index; unsigned long msr; - EMAC_440GX_HW_PST hw_p = dev->priv; + EMAC_4XX_HW_PST hw_p = dev->priv; - hw_p->is_receiving = 1; /* tell driver */ + hw_p->is_receiving = 1; /* tell driver */ for (;;) { /* AS.HARNOIS @@ -1177,8 +1327,8 @@ static int ppc_440x_eth_rx (struct eth_device *dev) length = hw_p->rx[user_index].data_len; /* Pass the packet up to the protocol layers. */ - /* NetReceive(NetRxPackets[rxIdx], length - 4); */ - /* NetReceive(NetRxPackets[i], length); */ + /* NetReceive(NetRxPackets[rxIdx], length - 4); */ + /* NetReceive(NetRxPackets[i], length); */ NetReceive (NetRxPackets[user_index], length - 4); /* Free Recv Buffer */ hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY; @@ -1188,24 +1338,24 @@ static int ppc_440x_eth_rx (struct eth_device *dev) if (NUM_RX_BUFF == hw_p->rx_u_index) hw_p->rx_u_index = 0; -#ifdef INFO_440_ENET +#ifdef INFO_4XX_ENET hw_p->stats.pkts_handled++; #endif mtmsr (msr); /* Enable IRQ's */ } - hw_p->is_receiving = 0; /* tell driver */ + hw_p->is_receiving = 0; /* tell driver */ return length; } -int ppc_440x_eth_initialize (bd_t * bis) +int ppc_4xx_eth_initialize (bd_t * bis) { static int virgin = 0; struct eth_device *dev; int eth_num = 0; - EMAC_440GX_HW_PST hw = NULL; + EMAC_4XX_HW_PST hw = NULL; #if defined(CONFIG_440GX) unsigned long pfc1; @@ -1229,11 +1379,11 @@ int ppc_440x_eth_initialize (bd_t * bis) bis->bi_phymode[3] = 2; #if defined (CONFIG_440GX) - ppc_440x_eth_setup_bridge(0, bis); + ppc_4xx_eth_setup_bridge(0, bis); #endif #endif - for (eth_num = 0; eth_num < EMAC_NUM_DEV; eth_num++) { + for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) { /* See if we can actually bring up the interface, otherwise, skip it */ switch (eth_num) { @@ -1273,16 +1423,16 @@ int ppc_440x_eth_initialize (bd_t * bis) /* Allocate device structure */ dev = (struct eth_device *) malloc (sizeof (*dev)); if (dev == NULL) { - printf ("ppc_440x_eth_initialize: " + printf ("ppc_4xx_eth_initialize: " "Cannot allocate eth_device %d\n", eth_num); return (-1); } memset(dev, 0, sizeof(*dev)); /* Allocate our private use data */ - hw = (EMAC_440GX_HW_PST) malloc (sizeof (*hw)); + hw = (EMAC_4XX_HW_PST) malloc (sizeof (*hw)); if (hw == NULL) { - printf ("ppc_440x_eth_initialize: " + printf ("ppc_4xx_eth_initialize: " "Cannot allocate private hw data for eth_device %d", eth_num); free (dev); @@ -1319,12 +1469,12 @@ int ppc_440x_eth_initialize (bd_t * bis) hw->devnum = eth_num; hw->print_speed = 1; - sprintf (dev->name, "ppc_440x_eth%d", eth_num); + sprintf (dev->name, "ppc_4xx_eth%d", eth_num); dev->priv = (void *) hw; - dev->init = ppc_440x_eth_init; - dev->halt = ppc_440x_eth_halt; - dev->send = ppc_440x_eth_send; - dev->recv = ppc_440x_eth_rx; + dev->init = ppc_4xx_eth_init; + dev->halt = ppc_4xx_eth_halt; + dev->send = ppc_4xx_eth_send; + dev->recv = ppc_4xx_eth_rx; if (0 == virgin) { /* set the MAL IER ??? names may change with new spec ??? */ @@ -1355,9 +1505,60 @@ int ppc_440x_eth_initialize (bd_t * bis) virgin = 1; } +#if defined(CONFIG_NET_MULTI) eth_register (dev); +#else + emac0_dev = dev; +#endif +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register (dev->name, + emac4xx_miiphy_read, emac4xx_miiphy_write); +#endif } /* end for each supported device */ return (1); } -#endif /* CONFIG_440 && CONFIG_NET_MULTI */ + + +#if !defined(CONFIG_NET_MULTI) +void eth_halt (void) { + if (emac0_dev) { + ppc_4xx_eth_halt(emac0_dev); + free(emac0_dev); + emac0_dev = NULL; + } +} + +int eth_init (bd_t *bis) +{ + ppc_4xx_eth_initialize(bis); + if (emac0_dev) { + return ppc_4xx_eth_init(emac0_dev, bis); + } else { + printf("ERROR: ethaddr not set!\n"); + return -1; + } +} + +int eth_send(volatile void *packet, int length) +{ + return (ppc_4xx_eth_send(emac0_dev, packet, length)); +} + +int eth_rx(void) +{ + return (ppc_4xx_eth_rx(emac0_dev)); +} + +int emac4xx_miiphy_initialize (bd_t * bis) +{ +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + miiphy_register ("ppc_4xx_eth0", + emac4xx_miiphy_read, emac4xx_miiphy_write); +#endif + + return 0; +} +#endif /* !defined(CONFIG_NET_MULTI) */ + +#endif /* #if (CONFIG_COMMANDS & CFG_CMD_NET) */ diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile index 5b16754..c563457 100644 --- a/cpu/ppc4xx/Makefile +++ b/cpu/ppc4xx/Makefile @@ -27,10 +27,10 @@ LIB = lib$(CPU).a START = start.o resetvec.o kgdb.o AOBJS = dcr.o -COBJS = 405gp_enet.o 405gp_pci.o 440gx_enet.o \ +COBJS = 405gp_pci.o 4xx_enet.o \ bedbug_405.o commproc.o \ cpu.o cpu_init.o i2c.o interrupts.o \ - miiphy.o miiphy_440.o sdram.o serial.o \ + miiphy.o sdram.o serial.o \ spd_sdram.o speed.o traps.o usb_ohci.o usbdev.o OBJS = $(AOBJS) $(COBJS) diff --git a/cpu/ppc4xx/bedbug_405.c b/cpu/ppc4xx/bedbug_405.c index 23752f3..a3c2119 100644 --- a/cpu/ppc4xx/bedbug_405.c +++ b/cpu/ppc4xx/bedbug_405.c @@ -25,7 +25,7 @@ int bedbug405_clear __P ((int)); /* ====================================================================== - * Initialize the global bug_ctx structure for the IBM PPC405. Clear all + * Initialize the global bug_ctx structure for the AMCC PPC405. Clear all * of the breakpoints. * ====================================================================== */ diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index a9bb89a..a26533c 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -39,121 +39,146 @@ #if defined(CONFIG_440) -static int do_chip_reset( unsigned long sys0, unsigned long sys1 ); +#define FREQ_EBC (sys_info.freqEPB) +#else +#define FREQ_EBC (sys_info.freqPLB / sys_info.pllExtBusDiv) #endif -/* ------------------------------------------------------------------------- */ +#if defined(CONFIG_405GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) -int checkcpu (void) +#define PCI_ASYNC + +int pci_async_enabled(void) { -#if defined(CONFIG_405GP) || \ - defined(CONFIG_405CR) || \ - defined(CONFIG_405EP) || \ - defined(CONFIG_440) || \ - defined(CONFIG_IOP480) - uint pvr = get_pvr(); +#if defined(CONFIG_405GP) + return (mfdcr(strap) & PSR_PCI_ASYNC_EN); #endif -#if defined(CONFIG_405GP) || \ - defined(CONFIG_405CR) || \ - defined(CONFIG_405EP) || \ - defined(CONFIG_IOP480) - DECLARE_GLOBAL_DATA_PTR; +#if defined(CONFIG_440EP) || defined(CONFIG_440GR) + unsigned long val; + + mfsdr(sdr_sdstp1, val); + return (val & SDR0_SDSTP1_PAME_MASK); +#endif +} +#endif + +#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && !defined(CONFIG_405) +int pci_arbiter_enabled(void) +{ +#if defined(CONFIG_405GP) + return (mfdcr(strap) & PSR_PCI_ARBIT_EN); +#endif + +#if defined(CONFIG_405EP) + return (mfdcr(cpc0_pci) & CPC0_PCI_ARBIT_EN); +#endif + +#if defined(CONFIG_440GP) + return (mfdcr(cpc0_strp1) & CPC0_STRP1_PAE_MASK); +#endif + +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) + unsigned long val; + + mfsdr(sdr_sdstp1, val); + return (val & SDR0_SDSTP1_PAE_MASK); +#endif +} +#endif + +#if defined(CONFIG_405EP)|| defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ + defined(CONFIG_440GX) || defined(CONFIG_440SP) + +#define I2C_BOOTROM + +int i2c_bootrom_enabled(void) +{ +#if defined(CONFIG_405EP) + return (mfdcr(cpc0_boot) & CPC0_BOOT_SEP); +#endif + +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) + unsigned long val; + + mfsdr(sdr_sdcs, val); + return (val & SDR0_SDCS_SDD); +#endif +} +#endif + + +#if defined(CONFIG_440) +static int do_chip_reset(unsigned long sys0, unsigned long sys1); +#endif + + +int checkcpu (void) +{ +#if !defined(CONFIG_405) /* not used on Xilinx 405 FPGA implementations */ + DECLARE_GLOBAL_DATA_PTR; + uint pvr = get_pvr(); ulong clock = gd->cpu_clk; char buf[32]; -#endif -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) - PPC405_SYS_INFO sys_info; +#if !defined(CONFIG_IOP480) + sys_info_t sys_info; puts ("CPU: "); get_sys_info(&sys_info); -#ifdef CONFIG_405GP - puts ("AMCC PowerPC 405GP"); - if (pvr == PVR_405GPR_RB) { - putc('r'); - } - puts (" Rev. "); -#endif -#ifdef CONFIG_405CR - puts ("AMCC PowerPC 405CR Rev. "); + puts("AMCC PowerPC 4"); + +#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) + puts("05"); #endif -#ifdef CONFIG_405EP - puts ("AMCC PowerPC 405EP Rev. "); +#if defined(CONFIG_440) + puts("40"); #endif + switch (pvr) { case PVR_405GP_RB: - case PVR_405GPR_RB: - putc('B'); + puts("GP Rev. B"); break; + case PVR_405GP_RC: -#ifdef CONFIG_405CR - case PVR_405CR_RC: -#endif - putc('C'); + puts("GP Rev. C"); break; + case PVR_405GP_RD: - putc('D'); + puts("GP Rev. D"); break; + #ifdef CONFIG_405GP - case PVR_405GP_RE: - putc('E'); + case PVR_405GP_RE: /* 405GP rev E and 405CR rev C have same PVR */ + puts("GP Rev. E"); break; #endif + case PVR_405CR_RA: - putc('A'); + puts("CR Rev. A"); break; + case PVR_405CR_RB: - case PVR_405EP_RB: - putc('B'); + puts("CR Rev. B"); break; - default: - printf ("? (PVR=%08x)", pvr); - break; - } - printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock), - sys_info.freqPLB / 1000000, - sys_info.freqPLB / sys_info.pllOpbDiv / 1000000, - sys_info.freqPLB / sys_info.pllExtBusDiv / 1000000); - -#if defined(CONFIG_405GP) - if (mfdcr(strap) & PSR_PCI_ASYNC_EN) { - printf (" PCI async ext clock used, "); - } else { - printf (" PCI sync clock at %lu MHz, ", - sys_info.freqPLB / sys_info.pllPciDiv / 1000000); - } - printf ("%sternal PCI arbiter enabled\n", - (mfdcr(strap) & PSR_PCI_ARBIT_EN) ? "in" : "ex"); -#elif defined(CONFIG_405EP) - printf (" IIC Boot EEPROM %sabled\n", - (mfdcr(cpc0_boot) & CPC0_BOOT_SEP) ? "en" : "dis"); - printf (" PCI async ext clock used, "); - printf ("%sternal PCI arbiter enabled\n", - (mfdcr(cpc0_pci) & CPC0_PCI_ARBIT_EN) ? "in" : "ex"); +#ifdef CONFIG_405CR + case PVR_405CR_RC: /* 405GP rev E and 405CR rev C have same PVR */ + puts("CR Rev. C"); + break; #endif -#if defined(CONFIG_405EP) - printf (" 16 kB I-Cache 16 kB D-Cache"); -#else - printf (" 16 kB I-Cache %d kB D-Cache", - ((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8); -#endif -#endif /* defined(CONFIG_405GP) || defined(CONFIG_405CR) */ + case PVR_405GPR_RB: + puts("GPr Rev. B"); + break; -#ifdef CONFIG_IOP480 - printf ("PLX IOP480 (PVR=%08x)", pvr); - printf (" at %s MHz:", strmhz(buf, clock)); - printf (" %u kB I-Cache", 4); - printf (" %u kB D-Cache", 2); -#endif + case PVR_405EP_RB: + puts("EP Rev. B"); + break; #if defined(CONFIG_440) - puts ("AMCC PowerPC 440"); - switch(pvr) { case PVR_440GP_RB: puts("GP Rev. B"); /* See errata 1.12: CHIP_4 */ @@ -166,40 +191,103 @@ int checkcpu (void) mfdcr(cpc0_strp1) ); } break; + case PVR_440GP_RC: puts("GP Rev. C"); break; + case PVR_440GX_RA: puts("GX Rev. A"); break; + case PVR_440GX_RB: puts("GX Rev. B"); break; + case PVR_440GX_RC: puts("GX Rev. C"); break; -#if defined(CONFIG_440GR) - case PVR_440EP_RA: - puts("GR Rev. A"); - break; - case PVR_440EP_RB: - puts("GR Rev. B"); + + case PVR_440GX_RF: + puts("GX Rev. F"); break; -#else + case PVR_440EP_RA: puts("EP Rev. A"); break; - case PVR_440EP_RB: + +#ifdef CONFIG_440EP + case PVR_440EP_RB: /* 440EP rev B and 440GR rev A have same PVR */ puts("EP Rev. B"); break; -#endif +#endif /* CONFIG_440EP */ + +#ifdef CONFIG_440GR + case PVR_440GR_RA: /* 440EP rev B and 440GR rev A have same PVR */ + puts("GR Rev. A"); + break; +#endif /* CONFIG_440GR */ +#endif /* CONFIG_440 */ + + case PVR_440SP_RA: + puts("SP Rev. A"); + break; + + case PVR_440SP_RB: + puts("SP Rev. B"); + break; default: printf (" UNKNOWN (PVR=%08x)", pvr); break; } + + printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock), + sys_info.freqPLB / 1000000, + sys_info.freqPLB / sys_info.pllOpbDiv / 1000000, + FREQ_EBC / 1000000); + +#if defined(I2C_BOOTROM) + printf (" I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis"); +#endif + +#if defined(CONFIG_PCI) + printf (" Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis"); +#endif + +#if defined(PCI_ASYNC) + if (pci_async_enabled()) { + printf (", PCI async ext clock used"); + } else { + printf (", PCI sync clock at %lu MHz", + sys_info.freqPLB / sys_info.pllPciDiv / 1000000); + } +#endif + +#if defined(CONFIG_PCI) + putc('\n'); #endif - puts ("\n"); + +#if defined(CONFIG_405EP) + printf (" 16 kB I-Cache 16 kB D-Cache"); +#elif defined(CONFIG_440) + printf (" 32 kB I-Cache 32 kB D-Cache"); +#else + printf (" 16 kB I-Cache %d kB D-Cache", + ((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8); +#endif +#endif /* !defined(CONFIG_IOP480) */ + +#if defined(CONFIG_IOP480) + printf ("PLX IOP480 (PVR=%08x)", pvr); + printf (" at %s MHz:", strmhz(buf, clock)); + printf (" %u kB I-Cache", 4); + printf (" %u kB D-Cache", 2); +#endif + +#endif /* !defined(CONFIG_405) */ + + putc ('\n'); return 0; } @@ -230,8 +318,7 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } #if defined(CONFIG_440) -static -int do_chip_reset (unsigned long sys0, unsigned long sys1) +static int do_chip_reset (unsigned long sys0, unsigned long sys1) { /* Changes to cpc0_sys0 and cpc0_sys1 require chip * reset. @@ -252,31 +339,13 @@ int do_chip_reset (unsigned long sys0, unsigned long sys1) */ unsigned long get_tbclk (void) { -#if defined(CONFIG_440) - +#if !defined(CONFIG_IOP480) sys_info_t sys_info; get_sys_info(&sys_info); return (sys_info.freqProcessor); - -#elif defined(CONFIG_405GP) || \ - defined(CONFIG_405CR) || \ - defined(CONFIG_405) || \ - defined(CONFIG_405EP) - - PPC405_SYS_INFO sys_info; - - get_sys_info(&sys_info); - return (sys_info.freqProcessor); - -#elif defined(CONFIG_IOP480) - - return (66000000); - #else - -# error get_tbclk() not implemented - + return (66000000); #endif } diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index 68e1a45..79cfba3 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -23,7 +23,7 @@ #include <common.h> #include <watchdog.h> -#include <405gp_enet.h> +#include <ppc4xx_enet.h> #include <asm/processor.h> #include <ppc4xx.h> diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c index 3a644a4..be94b57 100644 --- a/cpu/ppc4xx/i2c.c +++ b/cpu/ppc4xx/i2c.c @@ -428,7 +428,7 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) */ uchar i2c_reg_read(uchar i2c_addr, uchar reg) { - char buf; + uchar buf; i2c_read(i2c_addr, reg, 1, &buf, 1); diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c index cb9dccd..f26f2a2 100644 --- a/cpu/ppc4xx/miiphy.c +++ b/cpu/ppc4xx/miiphy.c @@ -1,42 +1,44 @@ /*-----------------------------------------------------------------------------+ | - | This source code has been made available to you by IBM on an AS-IS - | basis. Anyone receiving this source is licensed under IBM - | copyrights to use it in any way he or she deems fit, including - | copying it, modifying it, compiling it, and redistributing it either - | with or without modifications. No license under IBM patents or - | patent applications is to be implied by the copyright license. + | This source code has been made available to you by IBM on an AS-IS + | basis. Anyone receiving this source is licensed under IBM + | copyrights to use it in any way he or she deems fit, including + | copying it, modifying it, compiling it, and redistributing it either + | with or without modifications. No license under IBM patents or + | patent applications is to be implied by the copyright license. | - | Any user of this software should understand that IBM cannot provide - | technical support for this software and will not be responsible for - | any consequences resulting from the use of this software. + | Any user of this software should understand that IBM cannot provide + | technical support for this software and will not be responsible for + | any consequences resulting from the use of this software. | - | Any person who transfers this source code or any derivative work - | must include the IBM copyright notice, this paragraph, and the - | preceding two paragraphs in the transferred software. + | Any person who transfers this source code or any derivative work + | must include the IBM copyright notice, this paragraph, and the + | preceding two paragraphs in the transferred software. | - | COPYRIGHT I B M CORPORATION 1995 - | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M + | COPYRIGHT I B M CORPORATION 1995 + | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M +-----------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------+ | - | File Name: miiphy.c + | File Name: miiphy.c | - | Function: This module has utilities for accessing the MII PHY through + | Function: This module has utilities for accessing the MII PHY through | the EMAC3 macro. | - | Author: Mark Wisner + | Author: Mark Wisner | | Change Activity- | - | Date Description of Change BY - | --------- --------------------- --- - | 05-May-99 Created MKW - | 01-Jul-99 Changed clock setting of sta_reg from 66Mhz to 50Mhz to - | better match OPB speed. Also modified delay times. JWB - | 29-Jul-99 Added Full duplex support MKW - | 24-Aug-99 Removed printf from dp83843_duplex() JWB - | 19-Jul-00 Ported to esd cpci405 sr + | Date Description of Change BY + | --------- --------------------- --- + | 05-May-99 Created MKW + | 01-Jul-99 Changed clock setting of sta_reg from 66Mhz to 50Mhz to + | better match OPB speed. Also modified delay times. JWB + | 29-Jul-99 Added Full duplex support MKW + | 24-Aug-99 Removed printf from dp83843_duplex() JWB + | 19-Jul-00 Ported to esd cpci405 sr + | 23-Dec-03 Ported from miiphy.c to 440GX Travis Sawyer TBS + | <travis.sawyer@sandburst.com> | +-----------------------------------------------------------------------------*/ @@ -44,25 +46,23 @@ #include <asm/processor.h> #include <ppc_asm.tmpl> #include <commproc.h> -#include <405gp_enet.h> +#include <ppc4xx_enet.h> #include <405_mal.h> #include <miiphy.h> -#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ - (defined(CONFIG_440) && !defined(CONFIG_NET_MULTI)) /***********************************************************/ -/* Dump out to the screen PHY regs */ +/* Dump out to the screen PHY regs */ /***********************************************************/ -void miiphy_dump (unsigned char addr) +void miiphy_dump (char *devname, unsigned char addr) { unsigned long i; unsigned short data; for (i = 0; i < 0x1A; i++) { - if (miiphy_read (addr, i, &data)) { + if (miiphy_read (devname, addr, i, &data)) { printf ("read error for reg %lx\n", i); return; } @@ -72,75 +72,128 @@ void miiphy_dump (unsigned char addr) if (i == 0x07) i = 0x0f; - } /* end for loop */ -} /* end dump */ + } /* end for loop */ +} /* end dump */ /***********************************************************/ -/* read a phy reg and return the value with a rc */ -/* Note: We are referencing to EMAC_STACR register */ -/* @(EMAC_BASE + 92) because of: */ -/* - 405EP has only STACR for EMAC0 pinned out */ -/* - 405GP has onle one EMAC0 */ -/* - For 440 this module gets compiled only for */ -/* !CONFIG_NET_MULTI, i.e. only EMAC0 is supported. */ +/* (Re)start autonegotiation */ /***********************************************************/ +int phy_setup_aneg (char *devname, unsigned char addr) +{ + unsigned short ctl, adv; + + /* Setup standard advertise */ + miiphy_read (devname, addr, PHY_ANAR, &adv); + adv |= (PHY_ANLPAR_ACK | PHY_ANLPAR_RF | PHY_ANLPAR_T4 | + PHY_ANLPAR_TXFD | PHY_ANLPAR_TX | PHY_ANLPAR_10FD | + PHY_ANLPAR_10); + miiphy_write (devname, addr, PHY_ANAR, adv); -int miiphy_read (unsigned char addr, unsigned char reg, - unsigned short *value) + /* Start/Restart aneg */ + miiphy_read (devname, addr, PHY_BMCR, &ctl); + ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); + miiphy_write (devname, addr, PHY_BMCR, ctl); + + return 0; +} + + +/***********************************************************/ +/* read a phy reg and return the value with a rc */ +/***********************************************************/ +unsigned int miiphy_getemac_offset (void) { - unsigned long sta_reg; /* STA scratch area */ +#if (defined(CONFIG_440) && !defined(CONFIG_440SP)) && defined(CONFIG_NET_MULTI) + unsigned long zmii; + unsigned long eoffset; + + /* Need to find out which mdi port we're using */ + zmii = in32 (ZMII_FER); + + if (zmii & (ZMII_FER_MDI << ZMII_FER_V (0))) { + /* using port 0 */ + eoffset = 0; + } else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (1))) { + /* using port 1 */ + eoffset = 0x100; + } else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (2))) { + /* using port 2 */ + eoffset = 0x400; + } else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (3))) { + /* using port 3 */ + eoffset = 0x600; + } else { + /* None of the mdi ports are enabled! */ + /* enable port 0 */ + zmii |= ZMII_FER_MDI << ZMII_FER_V (0); + out32 (ZMII_FER, zmii); + eoffset = 0; + /* need to soft reset port 0 */ + zmii = in32 (EMAC_M0); + zmii |= EMAC_M0_SRST; + out32 (EMAC_M0, zmii); + } + + return (eoffset); +#else + return 0; +#endif +} + + +int emac4xx_miiphy_read (char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) +{ + unsigned long sta_reg; /* STA scratch area */ unsigned long i; + unsigned long emac_reg; + + emac_reg = miiphy_getemac_offset (); /* see if it is ready for 1000 nsec */ i = 0; /* see if it is ready for sec */ - while ((in32 (EMAC_STACR) & EMAC_STACR_OC) == 0) { + while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == 0) { udelay (7); if (i > 5) { -#if 0 /* test-only */ +#if 0 printf ("read err 1\n"); #endif return -1; } i++; } - sta_reg = reg; /* reg address */ + sta_reg = reg; /* reg address */ /* set clock (50Mhz) and read flags */ +#if defined(CONFIG_440GX) + sta_reg |= EMAC_STACR_READ; +#else sta_reg = (sta_reg | EMAC_STACR_READ) & ~EMAC_STACR_CLK_100MHZ; -#ifdef CONFIG_PHY_CLK_FREQ +#endif + +#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; #endif sta_reg = sta_reg | (addr << 5); /* Phy address */ - out32 (EMAC_STACR, sta_reg); -#if 0 /* test-only */ + out32 (EMAC_STACR + emac_reg, sta_reg); +#if 0 /* test-only */ printf ("a2: write: EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ #endif -#ifdef CONFIG_PHY_CMD_DELAY - udelay (CONFIG_PHY_CMD_DELAY); /* Intel LXT971A needs this */ -#endif - sta_reg = in32 (EMAC_STACR); + sta_reg = in32 (EMAC_STACR + emac_reg); i = 0; while ((sta_reg & EMAC_STACR_OC) == 0) { udelay (7); if (i > 5) { -#if 0 /* test-only */ - printf ("read err 2\n"); -#endif return -1; } i++; - sta_reg = in32 (EMAC_STACR); + sta_reg = in32 (EMAC_STACR + emac_reg); } if ((sta_reg & EMAC_STACR_PHYE) != 0) { -#if 0 /* test-only */ - printf ("read err 3\n"); - printf ("a2: read: EMAC_STACR=0x%0lx, i=%d\n", - sta_reg, (int) i); /* test-only */ -#endif return -1; } @@ -148,58 +201,60 @@ int miiphy_read (unsigned char addr, unsigned char reg, return 0; -} /* phy_read */ +} /* phy_read */ /***********************************************************/ -/* write a phy reg and return the value with a rc */ +/* write a phy reg and return the value with a rc */ /***********************************************************/ -int miiphy_write (unsigned char addr, unsigned char reg, - unsigned short value) +int emac4xx_miiphy_write (char *devname, unsigned char addr, + unsigned char reg, unsigned short value) { - unsigned long sta_reg; /* STA scratch area */ + unsigned long sta_reg; /* STA scratch area */ unsigned long i; + unsigned long emac_reg; + emac_reg = miiphy_getemac_offset (); /* see if it is ready for 1000 nsec */ i = 0; - while ((in32 (EMAC_STACR) & EMAC_STACR_OC) == 0) { + while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == 0) { if (i > 5) return -1; udelay (7); i++; } sta_reg = 0; - sta_reg = reg; /* reg address */ + sta_reg = reg; /* reg address */ /* set clock (50Mhz) and read flags */ +#if defined(CONFIG_440GX) + sta_reg |= EMAC_STACR_WRITE; +#else sta_reg = (sta_reg | EMAC_STACR_WRITE) & ~EMAC_STACR_CLK_100MHZ; -#ifdef CONFIG_PHY_CLK_FREQ - sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; /* Set clock frequency (PLB freq. dependend) */ +#endif + +#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) + sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; /* Set clock frequency (PLB freq. dependend) */ #endif sta_reg = sta_reg | ((unsigned long) addr << 5); /* Phy address */ memcpy (&sta_reg, &value, 2); /* put in data */ - out32 (EMAC_STACR, sta_reg); + out32 (EMAC_STACR + emac_reg, sta_reg); -#ifdef CONFIG_PHY_CMD_DELAY - udelay (CONFIG_PHY_CMD_DELAY); /* Intel LXT971A needs this */ -#endif /* wait for completion */ i = 0; - sta_reg = in32 (EMAC_STACR); + sta_reg = in32 (EMAC_STACR + emac_reg); while ((sta_reg & EMAC_STACR_OC) == 0) { udelay (7); if (i > 5) return -1; i++; - sta_reg = in32 (EMAC_STACR); + sta_reg = in32 (EMAC_STACR + emac_reg); } if ((sta_reg & EMAC_STACR_PHYE) != 0) return -1; return 0; -} /* phy_read */ - -#endif /* CONFIG_405GP */ +} /* phy_write */ diff --git a/cpu/ppc4xx/miiphy_440.c b/cpu/ppc4xx/miiphy_440.c deleted file mode 100644 index 6320fea..0000000 --- a/cpu/ppc4xx/miiphy_440.c +++ /dev/null @@ -1,259 +0,0 @@ -/*-----------------------------------------------------------------------------+ - | - | This source code has been made available to you by IBM on an AS-IS - | basis. Anyone receiving this source is licensed under IBM - | copyrights to use it in any way he or she deems fit, including - | copying it, modifying it, compiling it, and redistributing it either - | with or without modifications. No license under IBM patents or - | patent applications is to be implied by the copyright license. - | - | Any user of this software should understand that IBM cannot provide - | technical support for this software and will not be responsible for - | any consequences resulting from the use of this software. - | - | Any person who transfers this source code or any derivative work - | must include the IBM copyright notice, this paragraph, and the - | preceding two paragraphs in the transferred software. - | - | COPYRIGHT I B M CORPORATION 1995 - | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M - +-----------------------------------------------------------------------------*/ -/*-----------------------------------------------------------------------------+ - | - | File Name: miiphy.c - | - | Function: This module has utilities for accessing the MII PHY through - | the EMAC3 macro. - | - | Author: Mark Wisner - | - | Change Activity- - | - | Date Description of Change BY - | --------- --------------------- --- - | 05-May-99 Created MKW - | 01-Jul-99 Changed clock setting of sta_reg from 66Mhz to 50Mhz to - | better match OPB speed. Also modified delay times. JWB - | 29-Jul-99 Added Full duplex support MKW - | 24-Aug-99 Removed printf from dp83843_duplex() JWB - | 19-Jul-00 Ported to esd cpci405 sr - | 23-Dec-03 Ported from miiphy.c to 440GX Travis Sawyer TBS - | <travis.sawyer@sandburst.com> - | - +-----------------------------------------------------------------------------*/ - -#include <common.h> -#include <asm/processor.h> -#include <ppc_asm.tmpl> -#include <commproc.h> -#include <440gx_enet.h> -#include <405_mal.h> -#include <miiphy.h> - -#if defined(CONFIG_440) && defined(CONFIG_NET_MULTI) - - -/***********************************************************/ -/* Dump out to the screen PHY regs */ -/***********************************************************/ - -void miiphy_dump (unsigned char addr) -{ - unsigned long i; - unsigned short data; - - - for (i = 0; i < 0x1A; i++) { - if (miiphy_read (addr, i, &data)) { - printf ("read error for reg %lx\n", i); - return; - } - printf ("Phy reg %lx ==> %4x\n", i, data); - - /* jump to the next set of regs */ - if (i == 0x07) - i = 0x0f; - - } /* end for loop */ -} /* end dump */ - - -/***********************************************************/ -/* (Re)start autonegotiation */ -/***********************************************************/ -int phy_setup_aneg (unsigned char addr) -{ - unsigned short ctl, adv; - - /* Setup standard advertise */ - miiphy_read (addr, PHY_ANAR, &adv); - adv |= (PHY_ANLPAR_ACK | PHY_ANLPAR_RF | PHY_ANLPAR_T4 | - PHY_ANLPAR_TXFD | PHY_ANLPAR_TX | PHY_ANLPAR_10FD | - PHY_ANLPAR_10); - miiphy_write (addr, PHY_ANAR, adv); - - /* Start/Restart aneg */ - miiphy_read (addr, PHY_BMCR, &ctl); - ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); - miiphy_write (addr, PHY_BMCR, ctl); - - return 0; -} - - -/***********************************************************/ -/* read a phy reg and return the value with a rc */ -/***********************************************************/ -unsigned int miiphy_getemac_offset (void) -{ - unsigned long zmii; - unsigned long eoffset; - - /* Need to find out which mdi port we're using */ - zmii = in32 (ZMII_FER); - - if (zmii & (ZMII_FER_MDI << ZMII_FER_V (0))) { - /* using port 0 */ - eoffset = 0; - } else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (1))) { - /* using port 1 */ - eoffset = 0x100; - } else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (2))) { - /* using port 2 */ - eoffset = 0x400; - } else if (zmii & (ZMII_FER_MDI << ZMII_FER_V (3))) { - /* using port 3 */ - eoffset = 0x600; - } else { - /* None of the mdi ports are enabled! */ - /* enable port 0 */ - zmii |= ZMII_FER_MDI << ZMII_FER_V (0); - out32 (ZMII_FER, zmii); - eoffset = 0; - /* need to soft reset port 0 */ - zmii = in32 (EMAC_M0); - zmii |= EMAC_M0_SRST; - out32 (EMAC_M0, zmii); - } - - return (eoffset); - -} - - -int miiphy_read (unsigned char addr, unsigned char reg, unsigned short *value) -{ - unsigned long sta_reg; /* STA scratch area */ - unsigned long i; - unsigned long emac_reg; - - - emac_reg = miiphy_getemac_offset (); - /* see if it is ready for 1000 nsec */ - i = 0; - - /* see if it is ready for sec */ - while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == 0) { - udelay (7); - if (i > 5) { -#if 0 - printf ("read err 1\n"); -#endif - return -1; - } - i++; - } - sta_reg = reg; /* reg address */ - /* set clock (50Mhz) and read flags */ -#if defined(CONFIG_440GX) - sta_reg |= EMAC_STACR_READ; -#else - sta_reg = (sta_reg | EMAC_STACR_READ) & ~EMAC_STACR_CLK_100MHZ; -#endif - -#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) - sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; -#endif - sta_reg = sta_reg | (addr << 5); /* Phy address */ - - out32 (EMAC_STACR + emac_reg, sta_reg); -#if 0 /* test-only */ - printf ("a2: write: EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ -#endif - - sta_reg = in32 (EMAC_STACR + emac_reg); - i = 0; - while ((sta_reg & EMAC_STACR_OC) == 0) { - udelay (7); - if (i > 5) { - return -1; - } - i++; - sta_reg = in32 (EMAC_STACR + emac_reg); - } - if ((sta_reg & EMAC_STACR_PHYE) != 0) { - return -1; - } - - *value = *(short *) (&sta_reg); - return 0; - - -} /* phy_read */ - - -/***********************************************************/ -/* write a phy reg and return the value with a rc */ -/***********************************************************/ - -int miiphy_write (unsigned char addr, unsigned char reg, unsigned short value) -{ - unsigned long sta_reg; /* STA scratch area */ - unsigned long i; - unsigned long emac_reg; - - emac_reg = miiphy_getemac_offset (); - /* see if it is ready for 1000 nsec */ - i = 0; - - while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == 0) { - if (i > 5) - return -1; - udelay (7); - i++; - } - sta_reg = 0; - sta_reg = reg; /* reg address */ - /* set clock (50Mhz) and read flags */ -#if defined(CONFIG_440GX) - sta_reg |= EMAC_STACR_WRITE; -#else - sta_reg = (sta_reg | EMAC_STACR_WRITE) & ~EMAC_STACR_CLK_100MHZ; -#endif - -#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) - sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; /* Set clock frequency (PLB freq. dependend) */ -#endif - sta_reg = sta_reg | ((unsigned long) addr << 5); /* Phy address */ - memcpy (&sta_reg, &value, 2); /* put in data */ - - out32 (EMAC_STACR + emac_reg, sta_reg); - - /* wait for completion */ - i = 0; - sta_reg = in32 (EMAC_STACR + emac_reg); - while ((sta_reg & EMAC_STACR_OC) == 0) { - udelay (7); - if (i > 5) - return -1; - i++; - sta_reg = in32 (EMAC_STACR + emac_reg); - } - - if ((sta_reg & EMAC_STACR_PHYE) != 0) - return -1; - return 0; - -} /* phy_write */ - -#endif /* CONFIG_405GP */ diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c index d1ad212..e9548cd 100644 --- a/cpu/ppc4xx/sdram.c +++ b/cpu/ppc4xx/sdram.c @@ -1,4 +1,7 @@ /* + * (C) Copyright 2005 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * * (C) Copyright 2002-2004 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com * @@ -39,6 +42,7 @@ struct sdram_conf_s { typedef struct sdram_conf_s sdram_conf_t; +#ifndef CFG_SDRAM_TABLE sdram_conf_t mb0cf[] = { {(128 << 20), 0x000A4001}, /* (0-128MB) Address Mode 3, 13x10(4) */ {(64 << 20), 0x00084001}, /* (0-64MB) Address Mode 3, 13x9(4) */ @@ -46,9 +50,18 @@ sdram_conf_t mb0cf[] = { {(16 << 20), 0x00046001}, /* (0-16MB) Address Mode 4, 12x8(4) */ {(4 << 20), 0x00008001}, /* (0-4MB) Address Mode 5, 11x8(2) */ }; +#else +sdram_conf_t mb0cf[] = CFG_SDRAM_TABLE; +#endif + #define N_MB0CF (sizeof(mb0cf) / sizeof(mb0cf[0])) +#ifndef CONFIG_440 + +/* + * Autodetect onboard SDRAM on 405 platforms + */ void sdram_init(void) { ulong sdtr1; @@ -105,4 +118,61 @@ void sdram_init(void) } } +#else /* CONFIG_440 */ + +/* + * Autodetect onboard DDR SDRAM on 440 platforms + * + * NOTE: Some of the hardcoded values are hardware dependant, + * so this should be extended for other future boards + * using this routine! + */ +long int initdram(int board_type) +{ + int i; + + for (i=0; i<N_MB0CF; i++) { + /* + * Disable memory controller. + */ + mtsdram(mem_cfg0, 0x00000000); + + /* + * Setup some default + */ + mtsdram(mem_uabba, 0x00000000); /* ubba=0 (default) */ + mtsdram(mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ + mtsdram(mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */ + mtsdram(mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */ + mtsdram(mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */ + + /* + * Following for CAS Latency = 2.5 @ 133 MHz PLB + */ + mtsdram(mem_b0cr, mb0cf[i].reg); + mtsdram(mem_tr0, 0x41094012); + mtsdram(mem_tr1, 0x80800800); /* SS=T2 SL=STAGE 3 CD=1 CT=0x00*/ + mtsdram(mem_rtr, 0x7e000000); /* Interval 15.20µs @ 133MHz PLB*/ + mtsdram(mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM*/ + udelay(400); /* Delay 200 usecs (min) */ + + /* + * Enable the controller, then wait for DCEN to complete + */ + mtsdram(mem_cfg0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */ + udelay(10000); + + if (get_ram_size(0, mb0cf[i].size) == mb0cf[i].size) { + /* + * OK, size detected -> all done + */ + return mb0cf[i].size; + } + } + + return 0; /* nothing found ! */ +} + +#endif /* CONFIG_440 */ + #endif /* CONFIG_SDRAM_BANK0 */ diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c index 8cf7dab..e7f6bcb 100644 --- a/cpu/ppc4xx/serial.c +++ b/cpu/ppc4xx/serial.c @@ -276,7 +276,12 @@ int serial_tstc () #define UART0_BASE CFG_PERIPHERAL_BASE + 0x00000200 #define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000300 #endif -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) + +#if defined(CONFIG_440SP) +#define UART2_BASE CFG_PERIPHERAL_BASE + 0x00000600 +#endif + +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) #define CR0_MASK 0xdfffffff #define CR0_EXTCLK_ENA 0x00800000 #define CR0_UDIV_POS 0 @@ -306,21 +311,21 @@ int serial_tstc () #if defined(CONFIG_UART1_CONSOLE) #define ACTING_UART0_BASE UART1_BASE #define ACTING_UART1_BASE UART0_BASE -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) #define UART0_SDR sdr_uart1 #define UART1_SDR sdr_uart0 #endif /* CONFIG_440GX */ #else #define ACTING_UART0_BASE UART0_BASE #define ACTING_UART1_BASE UART1_BASE -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) #define UART0_SDR sdr_uart0 #define UART1_SDR sdr_uart1 #endif /* CONFIG_440GX */ #endif #if defined(CONFIG_405EP) && defined(CFG_EXT_SERIAL_CLOCK) -#error "External serial clock not supported on IBM PPC405EP!" +#error "External serial clock not supported on AMCC PPC405EP!" #endif #define UART_RBR 0x00 @@ -436,7 +441,7 @@ int serial_init(void) unsigned long tmp; #endif -#if defined(CONFIG_440GX) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) #if defined(CONFIG_SERIAL_MULTI) if (UART0_BASE == dev_base) { mfsdr(UART0_SDR,reg); @@ -465,7 +470,7 @@ int serial_init(void) serial_divs (gd->baudrate, &udiv, &bdiv); #endif -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) reg |= udiv << CR0_UDIV_POS; /* set the UART divisor */ #if defined(CONFIG_SERIAL_MULTI) if (UART0_BASE == dev_base) { diff --git a/cpu/ppc4xx/spd_sdram.c b/cpu/ppc4xx/spd_sdram.c index a8cfcd4..ebd5f39 100644 --- a/cpu/ppc4xx/spd_sdram.c +++ b/cpu/ppc4xx/spd_sdram.c @@ -14,7 +14,7 @@ * * (C) Copyright 2002 * Jun Gu, Artesyn Technology, jung@artesyncp.com - * Support for IBM 440 based on OpenBIOS draminit.c from IBM. + * Support for AMCC 440 based on OpenBIOS draminit.c from IBM. * * (C) Copyright 2005 * Stefan Roese, DENX Software Engineering, sr@denx.de. @@ -48,49 +48,49 @@ /* * Set default values */ -#ifndef CFG_I2C_SPEED -#define CFG_I2C_SPEED 50000 +#ifndef CFG_I2C_SPEED +#define CFG_I2C_SPEED 50000 #endif -#ifndef CFG_I2C_SLAVE -#define CFG_I2C_SLAVE 0xFE +#ifndef CFG_I2C_SLAVE +#define CFG_I2C_SLAVE 0xFE #endif -#define ONE_BILLION 1000000000 +#define ONE_BILLION 1000000000 -#ifndef CONFIG_440 /* for 405 WALNUT/SYCAMORE/BUBINGA boards */ +#ifndef CONFIG_440 /* for 405 WALNUT/SYCAMORE/BUBINGA boards */ -#define SDRAM0_CFG_DCE 0x80000000 -#define SDRAM0_CFG_SRE 0x40000000 -#define SDRAM0_CFG_PME 0x20000000 -#define SDRAM0_CFG_MEMCHK 0x10000000 -#define SDRAM0_CFG_REGEN 0x08000000 -#define SDRAM0_CFG_ECCDD 0x00400000 -#define SDRAM0_CFG_EMDULR 0x00200000 -#define SDRAM0_CFG_DRW_SHIFT (31-6) -#define SDRAM0_CFG_BRPF_SHIFT (31-8) +#define SDRAM0_CFG_DCE 0x80000000 +#define SDRAM0_CFG_SRE 0x40000000 +#define SDRAM0_CFG_PME 0x20000000 +#define SDRAM0_CFG_MEMCHK 0x10000000 +#define SDRAM0_CFG_REGEN 0x08000000 +#define SDRAM0_CFG_ECCDD 0x00400000 +#define SDRAM0_CFG_EMDULR 0x00200000 +#define SDRAM0_CFG_DRW_SHIFT (31-6) +#define SDRAM0_CFG_BRPF_SHIFT (31-8) -#define SDRAM0_TR_CASL_SHIFT (31-8) -#define SDRAM0_TR_PTA_SHIFT (31-13) -#define SDRAM0_TR_CTP_SHIFT (31-15) -#define SDRAM0_TR_LDF_SHIFT (31-17) -#define SDRAM0_TR_RFTA_SHIFT (31-29) -#define SDRAM0_TR_RCD_SHIFT (31-31) +#define SDRAM0_TR_CASL_SHIFT (31-8) +#define SDRAM0_TR_PTA_SHIFT (31-13) +#define SDRAM0_TR_CTP_SHIFT (31-15) +#define SDRAM0_TR_LDF_SHIFT (31-17) +#define SDRAM0_TR_RFTA_SHIFT (31-29) +#define SDRAM0_TR_RCD_SHIFT (31-31) -#define SDRAM0_RTR_SHIFT (31-15) -#define SDRAM0_ECCCFG_SHIFT (31-11) +#define SDRAM0_RTR_SHIFT (31-15) +#define SDRAM0_ECCCFG_SHIFT (31-11) /* SDRAM0_CFG enable macro */ #define SDRAM0_CFG_BRPF(x) ( ( x & 0x3)<< SDRAM0_CFG_BRPF_SHIFT ) -#define SDRAM0_BXCR_SZ_MASK 0x000e0000 -#define SDRAM0_BXCR_AM_MASK 0x0000e000 +#define SDRAM0_BXCR_SZ_MASK 0x000e0000 +#define SDRAM0_BXCR_AM_MASK 0x0000e000 -#define SDRAM0_BXCR_SZ_SHIFT (31-14) -#define SDRAM0_BXCR_AM_SHIFT (31-18) +#define SDRAM0_BXCR_SZ_SHIFT (31-14) +#define SDRAM0_BXCR_AM_SHIFT (31-18) -#define SDRAM0_BXCR_SZ(x) ( (( x << SDRAM0_BXCR_SZ_SHIFT) & SDRAM0_BXCR_SZ_MASK) ) -#define SDRAM0_BXCR_AM(x) ( (( x << SDRAM0_BXCR_AM_SHIFT) & SDRAM0_BXCR_AM_MASK) ) +#define SDRAM0_BXCR_SZ(x) ( (( x << SDRAM0_BXCR_SZ_SHIFT) & SDRAM0_BXCR_SZ_MASK) ) +#define SDRAM0_BXCR_AM(x) ( (( x << SDRAM0_BXCR_AM_SHIFT) & SDRAM0_BXCR_AM_MASK) ) #ifdef CONFIG_SPDDRAM_SILENT # define SPD_ERR(x) do { return 0; } while (0) @@ -108,7 +108,7 @@ int spd_read(uint addr); * This function is reading data from the DIMM module EEPROM over the SPD bus * and uses that to program the sdram controller. * - * This works on boards that has the same schematics that the IBM walnut has. + * This works on boards that has the same schematics that the AMCC walnut has. * * Input: null for default I2C spd functions or a pointer to a custom function * returning spd_data. @@ -175,7 +175,7 @@ long int spd_sdram(int(read_spd)(uint addr)) * data from DIMM: * 27 IN Row Precharge Time ( t RP) * 29 MIN RAS to CAS Delay ( t RCD) - * 127 Component and Clock Detail ,clk0-clk3, junction temp, CAS + * 127 Component and Clock Detail ,clk0-clk3, junction temp, CAS * -------------------------------------------------------------------*/ /* @@ -184,18 +184,18 @@ long int spd_sdram(int(read_spd)(uint addr)) */ tmp = read_spd(127) & 0x6; - if (tmp == 0x02){ /* only cas = 2 supported */ + if (tmp == 0x02) { /* only cas = 2 supported */ min_cas = 2; -/* t_ck = read_spd(9); */ -/* t_ac = read_spd(10); */ - } else if (tmp == 0x04) { /* only cas = 3 supported */ +/* t_ck = read_spd(9); */ +/* t_ac = read_spd(10); */ + } else if (tmp == 0x04) { /* only cas = 3 supported */ min_cas = 3; -/* t_ck = read_spd(9); */ -/* t_ac = read_spd(10); */ - } else if (tmp == 0x06) { /* 2,3 supported, so use 2 */ +/* t_ck = read_spd(9); */ +/* t_ac = read_spd(10); */ + } else if (tmp == 0x06) { /* 2,3 supported, so use 2 */ min_cas = 2; -/* t_ck = read_spd(23); */ -/* t_ac = read_spd(24); */ +/* t_ck = read_spd(23); */ +/* t_ac = read_spd(24); */ } else { SPD_ERR("SDRAM - unsupported CAS latency \n"); } @@ -263,7 +263,7 @@ long int spd_sdram(int(read_spd)(uint addr)) } /* convert from nsec to bus cycles */ tmp = (tmp * 10) / bus_period_x_10; - sdram0_rtr = (tmp & 0x3ff8) << SDRAM0_RTR_SHIFT; + sdram0_rtr = (tmp & 0x3ff8) << SDRAM0_RTR_SHIFT; /*------------------------------------------------------------------ * determine the number of banks used @@ -292,7 +292,7 @@ long int spd_sdram(int(read_spd)(uint addr)) else if (tmp==4) bank_cnt *= 4; else - bank_cnt = 8; /* 8 is an error code */ + bank_cnt = 8; /* 8 is an error code */ if (bank_cnt > 4) /* we only have 4 banks to work with */ SPD_ERR("SDRAM - unsupported module rows for this width\n"); @@ -323,7 +323,7 @@ long int spd_sdram(int(read_spd)(uint addr)) total_size *= read_spd(5); /* mult by module rows (dimm sides) */ /*------------------------------------------------------------------ - * map rows * cols * banks to a mode + * map rows * cols * banks to a mode * -------------------------------------------------------------------*/ switch (row) { @@ -388,9 +388,9 @@ long int spd_sdram(int(read_spd)(uint addr)) bank_size = total_size / bank_cnt; /* convert bank size to bank size code for ppc4xx by takeing log2(bank_size) - 22 */ - tmp = bank_size; /* start with tmp = bank_size */ + tmp = bank_size; /* start with tmp = bank_size */ bank_code = 0; /* and bank_code = 0 */ - while (tmp > 1) { /* this takes log2 of tmp */ + while (tmp > 1) { /* this takes log2 of tmp */ bank_code++; /* and stores result in bank_code */ tmp = tmp >> 1; } /* bank_code is now log2(bank_size) */ @@ -444,7 +444,7 @@ long int spd_sdram(int(read_spd)(uint addr)) #endif mtsdram0( mem_sdtr1 , sdram0_tr ); - /* SDRAM have a power on delay, 500 micro should do */ + /* SDRAM have a power on delay, 500 micro should do */ udelay(500); sdram0_cfg = SDRAM0_CFG_DCE | SDRAM0_CFG_BRPF(1) | SDRAM0_CFG_ECCDD | SDRAM0_CFG_EMDULR; if (ecc_on) @@ -456,7 +456,7 @@ long int spd_sdram(int(read_spd)(uint addr)) int spd_read(uint addr) { - char data[2]; + uchar data[2]; if (i2c_read(SPD_EEPROM_ADDRESS, addr, 1, data, 1) == 0) return (int)data[0]; @@ -464,172 +464,172 @@ int spd_read(uint addr) return 0; } -#else /* CONFIG_440 */ +#else /* CONFIG_440 */ /*----------------------------------------------------------------------------- | Memory Controller Options 0 +-----------------------------------------------------------------------------*/ -#define SDRAM_CFG0_DCEN 0x80000000 /* SDRAM Controller Enable */ -#define SDRAM_CFG0_MCHK_MASK 0x30000000 /* Memory data errchecking mask */ -#define SDRAM_CFG0_MCHK_NON 0x00000000 /* No ECC generation */ -#define SDRAM_CFG0_MCHK_GEN 0x20000000 /* ECC generation */ -#define SDRAM_CFG0_MCHK_CHK 0x30000000 /* ECC generation and checking */ -#define SDRAM_CFG0_RDEN 0x08000000 /* Registered DIMM enable */ -#define SDRAM_CFG0_PMUD 0x04000000 /* Page management unit */ -#define SDRAM_CFG0_DMWD_MASK 0x02000000 /* DRAM width mask */ -#define SDRAM_CFG0_DMWD_32 0x00000000 /* 32 bits */ -#define SDRAM_CFG0_DMWD_64 0x02000000 /* 64 bits */ -#define SDRAM_CFG0_UIOS_MASK 0x00C00000 /* Unused IO State */ -#define SDRAM_CFG0_PDP 0x00200000 /* Page deallocation policy */ +#define SDRAM_CFG0_DCEN 0x80000000 /* SDRAM Controller Enable */ +#define SDRAM_CFG0_MCHK_MASK 0x30000000 /* Memory data errchecking mask */ +#define SDRAM_CFG0_MCHK_NON 0x00000000 /* No ECC generation */ +#define SDRAM_CFG0_MCHK_GEN 0x20000000 /* ECC generation */ +#define SDRAM_CFG0_MCHK_CHK 0x30000000 /* ECC generation and checking */ +#define SDRAM_CFG0_RDEN 0x08000000 /* Registered DIMM enable */ +#define SDRAM_CFG0_PMUD 0x04000000 /* Page management unit */ +#define SDRAM_CFG0_DMWD_MASK 0x02000000 /* DRAM width mask */ +#define SDRAM_CFG0_DMWD_32 0x00000000 /* 32 bits */ +#define SDRAM_CFG0_DMWD_64 0x02000000 /* 64 bits */ +#define SDRAM_CFG0_UIOS_MASK 0x00C00000 /* Unused IO State */ +#define SDRAM_CFG0_PDP 0x00200000 /* Page deallocation policy */ /*----------------------------------------------------------------------------- | Memory Controller Options 1 +-----------------------------------------------------------------------------*/ -#define SDRAM_CFG1_SRE 0x80000000 /* Self-Refresh Entry */ -#define SDRAM_CFG1_PMEN 0x40000000 /* Power Management Enable */ +#define SDRAM_CFG1_SRE 0x80000000 /* Self-Refresh Entry */ +#define SDRAM_CFG1_PMEN 0x40000000 /* Power Management Enable */ /*-----------------------------------------------------------------------------+ | SDRAM DEVPOT Options +-----------------------------------------------------------------------------*/ -#define SDRAM_DEVOPT_DLL 0x80000000 -#define SDRAM_DEVOPT_DS 0x40000000 +#define SDRAM_DEVOPT_DLL 0x80000000 +#define SDRAM_DEVOPT_DS 0x40000000 /*-----------------------------------------------------------------------------+ | SDRAM MCSTS Options +-----------------------------------------------------------------------------*/ -#define SDRAM_MCSTS_MRSC 0x80000000 -#define SDRAM_MCSTS_SRMS 0x40000000 -#define SDRAM_MCSTS_CIS 0x20000000 +#define SDRAM_MCSTS_MRSC 0x80000000 +#define SDRAM_MCSTS_SRMS 0x40000000 +#define SDRAM_MCSTS_CIS 0x20000000 /*----------------------------------------------------------------------------- | SDRAM Refresh Timer Register +-----------------------------------------------------------------------------*/ -#define SDRAM_RTR_RINT_MASK 0xFFFF0000 +#define SDRAM_RTR_RINT_MASK 0xFFFF0000 #define SDRAM_RTR_RINT_ENCODE(n) (((n) << 16) & SDRAM_RTR_RINT_MASK) -#define sdram_HZ_to_ns(hertz) (1000000000/(hertz)) +#define sdram_HZ_to_ns(hertz) (1000000000/(hertz)) /*-----------------------------------------------------------------------------+ | SDRAM UABus Base Address Reg +-----------------------------------------------------------------------------*/ -#define SDRAM_UABBA_UBBA_MASK 0x0000000F +#define SDRAM_UABBA_UBBA_MASK 0x0000000F /*-----------------------------------------------------------------------------+ | Memory Bank 0-7 configuration +-----------------------------------------------------------------------------*/ -#define SDRAM_BXCR_SDBA_MASK 0xff800000 /* Base address */ -#define SDRAM_BXCR_SDSZ_MASK 0x000e0000 /* Size */ -#define SDRAM_BXCR_SDSZ_8 0x00020000 /* 8M */ -#define SDRAM_BXCR_SDSZ_16 0x00040000 /* 16M */ -#define SDRAM_BXCR_SDSZ_32 0x00060000 /* 32M */ -#define SDRAM_BXCR_SDSZ_64 0x00080000 /* 64M */ -#define SDRAM_BXCR_SDSZ_128 0x000a0000 /* 128M */ -#define SDRAM_BXCR_SDSZ_256 0x000c0000 /* 256M */ -#define SDRAM_BXCR_SDSZ_512 0x000e0000 /* 512M */ -#define SDRAM_BXCR_SDAM_MASK 0x0000e000 /* Addressing mode */ -#define SDRAM_BXCR_SDAM_1 0x00000000 /* Mode 1 */ -#define SDRAM_BXCR_SDAM_2 0x00002000 /* Mode 2 */ -#define SDRAM_BXCR_SDAM_3 0x00004000 /* Mode 3 */ -#define SDRAM_BXCR_SDAM_4 0x00006000 /* Mode 4 */ -#define SDRAM_BXCR_SDBE 0x00000001 /* Memory Bank Enable */ +#define SDRAM_BXCR_SDBA_MASK 0xff800000 /* Base address */ +#define SDRAM_BXCR_SDSZ_MASK 0x000e0000 /* Size */ +#define SDRAM_BXCR_SDSZ_8 0x00020000 /* 8M */ +#define SDRAM_BXCR_SDSZ_16 0x00040000 /* 16M */ +#define SDRAM_BXCR_SDSZ_32 0x00060000 /* 32M */ +#define SDRAM_BXCR_SDSZ_64 0x00080000 /* 64M */ +#define SDRAM_BXCR_SDSZ_128 0x000a0000 /* 128M */ +#define SDRAM_BXCR_SDSZ_256 0x000c0000 /* 256M */ +#define SDRAM_BXCR_SDSZ_512 0x000e0000 /* 512M */ +#define SDRAM_BXCR_SDAM_MASK 0x0000e000 /* Addressing mode */ +#define SDRAM_BXCR_SDAM_1 0x00000000 /* Mode 1 */ +#define SDRAM_BXCR_SDAM_2 0x00002000 /* Mode 2 */ +#define SDRAM_BXCR_SDAM_3 0x00004000 /* Mode 3 */ +#define SDRAM_BXCR_SDAM_4 0x00006000 /* Mode 4 */ +#define SDRAM_BXCR_SDBE 0x00000001 /* Memory Bank Enable */ /*-----------------------------------------------------------------------------+ | SDRAM TR0 Options +-----------------------------------------------------------------------------*/ -#define SDRAM_TR0_SDWR_MASK 0x80000000 -#define SDRAM_TR0_SDWR_2_CLK 0x00000000 -#define SDRAM_TR0_SDWR_3_CLK 0x80000000 -#define SDRAM_TR0_SDWD_MASK 0x40000000 -#define SDRAM_TR0_SDWD_0_CLK 0x00000000 -#define SDRAM_TR0_SDWD_1_CLK 0x40000000 -#define SDRAM_TR0_SDCL_MASK 0x01800000 -#define SDRAM_TR0_SDCL_2_0_CLK 0x00800000 -#define SDRAM_TR0_SDCL_2_5_CLK 0x01000000 -#define SDRAM_TR0_SDCL_3_0_CLK 0x01800000 -#define SDRAM_TR0_SDPA_MASK 0x000C0000 -#define SDRAM_TR0_SDPA_2_CLK 0x00040000 -#define SDRAM_TR0_SDPA_3_CLK 0x00080000 -#define SDRAM_TR0_SDPA_4_CLK 0x000C0000 -#define SDRAM_TR0_SDCP_MASK 0x00030000 -#define SDRAM_TR0_SDCP_2_CLK 0x00000000 -#define SDRAM_TR0_SDCP_3_CLK 0x00010000 -#define SDRAM_TR0_SDCP_4_CLK 0x00020000 -#define SDRAM_TR0_SDCP_5_CLK 0x00030000 -#define SDRAM_TR0_SDLD_MASK 0x0000C000 -#define SDRAM_TR0_SDLD_1_CLK 0x00000000 -#define SDRAM_TR0_SDLD_2_CLK 0x00004000 -#define SDRAM_TR0_SDRA_MASK 0x0000001C -#define SDRAM_TR0_SDRA_6_CLK 0x00000000 -#define SDRAM_TR0_SDRA_7_CLK 0x00000004 -#define SDRAM_TR0_SDRA_8_CLK 0x00000008 -#define SDRAM_TR0_SDRA_9_CLK 0x0000000C -#define SDRAM_TR0_SDRA_10_CLK 0x00000010 -#define SDRAM_TR0_SDRA_11_CLK 0x00000014 -#define SDRAM_TR0_SDRA_12_CLK 0x00000018 -#define SDRAM_TR0_SDRA_13_CLK 0x0000001C -#define SDRAM_TR0_SDRD_MASK 0x00000003 -#define SDRAM_TR0_SDRD_2_CLK 0x00000001 -#define SDRAM_TR0_SDRD_3_CLK 0x00000002 -#define SDRAM_TR0_SDRD_4_CLK 0x00000003 +#define SDRAM_TR0_SDWR_MASK 0x80000000 +#define SDRAM_TR0_SDWR_2_CLK 0x00000000 +#define SDRAM_TR0_SDWR_3_CLK 0x80000000 +#define SDRAM_TR0_SDWD_MASK 0x40000000 +#define SDRAM_TR0_SDWD_0_CLK 0x00000000 +#define SDRAM_TR0_SDWD_1_CLK 0x40000000 +#define SDRAM_TR0_SDCL_MASK 0x01800000 +#define SDRAM_TR0_SDCL_2_0_CLK 0x00800000 +#define SDRAM_TR0_SDCL_2_5_CLK 0x01000000 +#define SDRAM_TR0_SDCL_3_0_CLK 0x01800000 +#define SDRAM_TR0_SDPA_MASK 0x000C0000 +#define SDRAM_TR0_SDPA_2_CLK 0x00040000 +#define SDRAM_TR0_SDPA_3_CLK 0x00080000 +#define SDRAM_TR0_SDPA_4_CLK 0x000C0000 +#define SDRAM_TR0_SDCP_MASK 0x00030000 +#define SDRAM_TR0_SDCP_2_CLK 0x00000000 +#define SDRAM_TR0_SDCP_3_CLK 0x00010000 +#define SDRAM_TR0_SDCP_4_CLK 0x00020000 +#define SDRAM_TR0_SDCP_5_CLK 0x00030000 +#define SDRAM_TR0_SDLD_MASK 0x0000C000 +#define SDRAM_TR0_SDLD_1_CLK 0x00000000 +#define SDRAM_TR0_SDLD_2_CLK 0x00004000 +#define SDRAM_TR0_SDRA_MASK 0x0000001C +#define SDRAM_TR0_SDRA_6_CLK 0x00000000 +#define SDRAM_TR0_SDRA_7_CLK 0x00000004 +#define SDRAM_TR0_SDRA_8_CLK 0x00000008 +#define SDRAM_TR0_SDRA_9_CLK 0x0000000C +#define SDRAM_TR0_SDRA_10_CLK 0x00000010 +#define SDRAM_TR0_SDRA_11_CLK 0x00000014 +#define SDRAM_TR0_SDRA_12_CLK 0x00000018 +#define SDRAM_TR0_SDRA_13_CLK 0x0000001C +#define SDRAM_TR0_SDRD_MASK 0x00000003 +#define SDRAM_TR0_SDRD_2_CLK 0x00000001 +#define SDRAM_TR0_SDRD_3_CLK 0x00000002 +#define SDRAM_TR0_SDRD_4_CLK 0x00000003 /*-----------------------------------------------------------------------------+ | SDRAM TR1 Options +-----------------------------------------------------------------------------*/ -#define SDRAM_TR1_RDSS_MASK 0xC0000000 -#define SDRAM_TR1_RDSS_TR0 0x00000000 -#define SDRAM_TR1_RDSS_TR1 0x40000000 -#define SDRAM_TR1_RDSS_TR2 0x80000000 -#define SDRAM_TR1_RDSS_TR3 0xC0000000 -#define SDRAM_TR1_RDSL_MASK 0x00C00000 -#define SDRAM_TR1_RDSL_STAGE1 0x00000000 -#define SDRAM_TR1_RDSL_STAGE2 0x00400000 -#define SDRAM_TR1_RDSL_STAGE3 0x00800000 -#define SDRAM_TR1_RDCD_MASK 0x00000800 -#define SDRAM_TR1_RDCD_RCD_0_0 0x00000000 -#define SDRAM_TR1_RDCD_RCD_1_2 0x00000800 -#define SDRAM_TR1_RDCT_MASK 0x000001FF -#define SDRAM_TR1_RDCT_ENCODE(x) (((x) << 0) & SDRAM_TR1_RDCT_MASK) -#define SDRAM_TR1_RDCT_DECODE(x) (((x) & SDRAM_TR1_RDCT_MASK) >> 0) -#define SDRAM_TR1_RDCT_MIN 0x00000000 -#define SDRAM_TR1_RDCT_MAX 0x000001FF +#define SDRAM_TR1_RDSS_MASK 0xC0000000 +#define SDRAM_TR1_RDSS_TR0 0x00000000 +#define SDRAM_TR1_RDSS_TR1 0x40000000 +#define SDRAM_TR1_RDSS_TR2 0x80000000 +#define SDRAM_TR1_RDSS_TR3 0xC0000000 +#define SDRAM_TR1_RDSL_MASK 0x00C00000 +#define SDRAM_TR1_RDSL_STAGE1 0x00000000 +#define SDRAM_TR1_RDSL_STAGE2 0x00400000 +#define SDRAM_TR1_RDSL_STAGE3 0x00800000 +#define SDRAM_TR1_RDCD_MASK 0x00000800 +#define SDRAM_TR1_RDCD_RCD_0_0 0x00000000 +#define SDRAM_TR1_RDCD_RCD_1_2 0x00000800 +#define SDRAM_TR1_RDCT_MASK 0x000001FF +#define SDRAM_TR1_RDCT_ENCODE(x) (((x) << 0) & SDRAM_TR1_RDCT_MASK) +#define SDRAM_TR1_RDCT_DECODE(x) (((x) & SDRAM_TR1_RDCT_MASK) >> 0) +#define SDRAM_TR1_RDCT_MIN 0x00000000 +#define SDRAM_TR1_RDCT_MAX 0x000001FF /*-----------------------------------------------------------------------------+ | SDRAM WDDCTR Options +-----------------------------------------------------------------------------*/ -#define SDRAM_WDDCTR_WRCP_MASK 0xC0000000 -#define SDRAM_WDDCTR_WRCP_0DEG 0x00000000 -#define SDRAM_WDDCTR_WRCP_90DEG 0x40000000 -#define SDRAM_WDDCTR_WRCP_180DEG 0x80000000 -#define SDRAM_WDDCTR_DCD_MASK 0x000001FF +#define SDRAM_WDDCTR_WRCP_MASK 0xC0000000 +#define SDRAM_WDDCTR_WRCP_0DEG 0x00000000 +#define SDRAM_WDDCTR_WRCP_90DEG 0x40000000 +#define SDRAM_WDDCTR_WRCP_180DEG 0x80000000 +#define SDRAM_WDDCTR_DCD_MASK 0x000001FF /*-----------------------------------------------------------------------------+ | SDRAM CLKTR Options +-----------------------------------------------------------------------------*/ -#define SDRAM_CLKTR_CLKP_MASK 0xC0000000 -#define SDRAM_CLKTR_CLKP_0DEG 0x00000000 -#define SDRAM_CLKTR_CLKP_90DEG 0x40000000 -#define SDRAM_CLKTR_CLKP_180DEG 0x80000000 -#define SDRAM_CLKTR_DCDT_MASK 0x000001FF +#define SDRAM_CLKTR_CLKP_MASK 0xC0000000 +#define SDRAM_CLKTR_CLKP_0DEG 0x00000000 +#define SDRAM_CLKTR_CLKP_90DEG 0x40000000 +#define SDRAM_CLKTR_CLKP_180DEG 0x80000000 +#define SDRAM_CLKTR_DCDT_MASK 0x000001FF /*-----------------------------------------------------------------------------+ | SDRAM DLYCAL Options +-----------------------------------------------------------------------------*/ -#define SDRAM_DLYCAL_DLCV_MASK 0x000003FC -#define SDRAM_DLYCAL_DLCV_ENCODE(x) (((x)<<2) & SDRAM_DLYCAL_DLCV_MASK) -#define SDRAM_DLYCAL_DLCV_DECODE(x) (((x) & SDRAM_DLYCAL_DLCV_MASK)>>2) +#define SDRAM_DLYCAL_DLCV_MASK 0x000003FC +#define SDRAM_DLYCAL_DLCV_ENCODE(x) (((x)<<2) & SDRAM_DLYCAL_DLCV_MASK) +#define SDRAM_DLYCAL_DLCV_DECODE(x) (((x) & SDRAM_DLYCAL_DLCV_MASK)>>2) /*-----------------------------------------------------------------------------+ | General Definition +-----------------------------------------------------------------------------*/ -#define DEFAULT_SPD_ADDR1 0x53 -#define DEFAULT_SPD_ADDR2 0x52 -#define MAXBANKS 4 /* at most 4 dimm banks */ -#define MAX_SPD_BYTES 256 -#define NUMHALFCYCLES 4 -#define NUMMEMTESTS 8 -#define NUMMEMWORDS 8 -#define MAXBXCR 4 -#define TRUE 1 -#define FALSE 0 +#define DEFAULT_SPD_ADDR1 0x53 +#define DEFAULT_SPD_ADDR2 0x52 +#define MAXBANKS 4 /* at most 4 dimm banks */ +#define MAX_SPD_BYTES 256 +#define NUMHALFCYCLES 4 +#define NUMMEMTESTS 8 +#define NUMMEMWORDS 8 +#define MAXBXCR 4 +#define TRUE 1 +#define FALSE 0 const unsigned long test[NUMMEMTESTS][NUMMEMWORDS] = { {0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, @@ -650,42 +650,53 @@ const unsigned long test[NUMMEMTESTS][NUMMEMWORDS] = { 0xAA55AA55, 0xAA55AA55} }; +/* bank_parms is used to sort the bank sizes by descending order */ +struct bank_param { + unsigned long cr; + unsigned long bank_size_bytes; +}; + +typedef struct bank_param BANKPARMS; + +#ifdef CFG_SIMULATE_SPD_EEPROM +extern unsigned char cfg_simulate_spd_eeprom[128]; +#endif unsigned char spd_read(uchar chip, uint addr); void get_spd_info(unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void check_mem_type (unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void check_volt_type (unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void program_cfg0(unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void program_cfg1(unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void program_rtr (unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void program_tr0 (unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks); + unsigned long num_dimm_banks); void program_tr1 (void); -void program_ecc (unsigned long num_bytes); +void program_ecc (unsigned long num_bytes); unsigned long program_bxcr(unsigned long* dimm_populated, @@ -696,7 +707,7 @@ long program_bxcr(unsigned long* dimm_populated, * This function is reading data from the DIMM module EEPROM over the SPD bus * and uses that to program the sdram controller. * - * This works on boards that has the same schematics that the IBM walnut has. + * This works on boards that has the same schematics that the AMCC walnut has. * * BUG: Don't handle ECC memory * BUG: A few values in the TR register is currently hardcoded @@ -708,7 +719,7 @@ long int spd_sdram(void) { unsigned long total_size; unsigned long cfg0; unsigned long mcsts; - unsigned long num_dimm_banks; /* on board dimm banks */ + unsigned long num_dimm_banks; /* on board dimm banks */ num_dimm_banks = sizeof(iic0_dimm_addr); @@ -806,9 +817,19 @@ long int spd_sdram(void) { return total_size; } -unsigned char spd_read(uchar chip, uint addr) { +unsigned char spd_read(uchar chip, uint addr) +{ unsigned char data[2]; +#ifdef CFG_SIMULATE_SPD_EEPROM + if (chip == CFG_SIMULATE_SPD_EEPROM) { + /* + * Onboard spd eeprom requested -> simulate values + */ + return cfg_simulate_spd_eeprom[addr]; + } +#endif /* CFG_SIMULATE_SPD_EEPROM */ + if (i2c_probe(chip) == 0) { if (i2c_read(chip, addr, 1, data, 1) == 0) { return data[0]; @@ -820,7 +841,7 @@ unsigned char spd_read(uchar chip, uint addr) { void get_spd_info(unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks) + unsigned long num_dimm_banks) { unsigned long dimm_num; unsigned long dimm_found; @@ -910,7 +931,7 @@ void check_volt_type(unsigned long* dimm_populated, void program_cfg0(unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks) + unsigned long num_dimm_banks) { unsigned long dimm_num; unsigned long cfg0; @@ -1000,7 +1021,7 @@ void program_cfg0(unsigned long* dimm_populated, void program_cfg1(unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks) + unsigned long num_dimm_banks) { unsigned long cfg1; mfsdram(mem_cfg1, cfg1); @@ -1018,7 +1039,7 @@ void program_cfg1(unsigned long* dimm_populated, void program_rtr (unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks) + unsigned long num_dimm_banks) { unsigned long dimm_num; unsigned long bus_period_x_10; @@ -1079,7 +1100,7 @@ void program_rtr (unsigned long* dimm_populated, void program_tr0 (unsigned long* dimm_populated, unsigned char* iic0_dimm_addr, - unsigned long num_dimm_banks) + unsigned long num_dimm_banks) { unsigned long dimm_num; unsigned long tr0; @@ -1138,7 +1159,7 @@ void program_tr0 (unsigned long* dimm_populated, for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) { if (dimm_populated[dimm_num] == TRUE) { wcsbc = spd_read(iic0_dimm_addr[dimm_num], 15); - t_rp_ns = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2; + t_rp_ns = spd_read(iic0_dimm_addr[dimm_num], 27) >> 2; t_rcd_ns = spd_read(iic0_dimm_addr[dimm_num], 29) >> 2; t_ras_ns = spd_read(iic0_dimm_addr[dimm_num], 30); cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18); @@ -1213,7 +1234,7 @@ void program_tr0 (unsigned long* dimm_populated, /* * Program SD_WR and SD_WCSBC fields */ - tr0 |= SDRAM_TR0_SDWR_2_CLK; /* Write Recovery: 2 CLK */ + tr0 |= SDRAM_TR0_SDWR_2_CLK; /* Write Recovery: 2 CLK */ switch (wcsbc) { case 0: tr0 |= SDRAM_TR0_SDWD_0_CLK; @@ -1591,35 +1612,56 @@ unsigned long program_bxcr(unsigned long* dimm_populated, { unsigned long dimm_num; unsigned long bank_base_addr; - unsigned long bank_size_bytes; unsigned long cr; unsigned long i; + unsigned long j; unsigned long temp; unsigned char num_row_addr; unsigned char num_col_addr; unsigned char num_banks; unsigned char bank_size_id; - -#ifndef CONFIG_BAMBOO - unsigned long bxcr_num; + unsigned long ctrl_bank_num[MAXBANKS]; + unsigned long bx_cr_num; + unsigned long largest_size_index; + unsigned long largest_size; + unsigned long current_size_index; + BANKPARMS bank_parms[MAXBXCR]; + unsigned long sorted_bank_num[MAXBXCR]; /* DDR Controller bank number table (sorted by size) */ + unsigned long sorted_bank_size[MAXBXCR]; /* DDR Controller bank size table (sorted by size)*/ /* * Set the BxCR regs. First, wipe out the bank config registers. */ - for (bxcr_num = 0; bxcr_num < MAXBXCR; bxcr_num++) { - mtdcr(memcfga, mem_b0cr + (bxcr_num << 2)); + for (bx_cr_num = 0; bx_cr_num < MAXBXCR; bx_cr_num++) { + mtdcr(memcfga, mem_b0cr + (bx_cr_num << 2)); mtdcr(memcfgd, 0x00000000); + bank_parms[bx_cr_num].bank_size_bytes = 0; } + +#ifdef CONFIG_BAMBOO + /* + * This next section is hardware dependent and must be programmed + * to match the hardware. For bammboo, the following holds... + * 1. SDRAM0_B0CR: Bank 0 of dimm 0 ctrl_bank_num : 0 + * 2. SDRAM0_B1CR: Bank 0 of dimm 1 ctrl_bank_num : 1 + * 3. SDRAM0_B2CR: Bank 1 of dimm 1 ctrl_bank_num : 1 + * 4. SDRAM0_B3CR: Bank 0 of dimm 2 ctrl_bank_num : 3 + * ctrl_bank_num corresponds to the first usable DDR controller bank number by DIMM + */ + ctrl_bank_num[0] = 0; + ctrl_bank_num[1] = 1; + ctrl_bank_num[2] = 3; +#else + ctrl_bank_num[0] = 0; + ctrl_bank_num[1] = 1; + ctrl_bank_num[2] = 2; + ctrl_bank_num[3] = 3; #endif /* * reset the bank_base address */ -#ifndef CONFIG_BAMBOO bank_base_addr = CFG_SDRAM_BASE; -#else - bank_base_addr = CFG_SDRAM_ONBOARD_SIZE; -#endif for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) { if (dimm_populated[dimm_num] == TRUE) { @@ -1632,7 +1674,6 @@ unsigned long program_bxcr(unsigned long* dimm_populated, * Set the SDRAM0_BxCR regs */ cr = 0; - bank_size_bytes = 4 * 1024 * 1024 * bank_size_id; switch (bank_size_id) { case 0x02: cr |= SDRAM_BXCR_SDSZ_8; @@ -1691,50 +1732,60 @@ unsigned long program_bxcr(unsigned long* dimm_populated, */ cr |= SDRAM_BXCR_SDBE; - /*------------------------------------------------------------------ - | This next section is hardware dependent and must be programmed - | to match the hardware. - +-----------------------------------------------------------------*/ - if (dimm_num == 0) { - for (i = 0; i < num_banks; i++) { -#ifndef CONFIG_BAMBOO - mtdcr(memcfga, mem_b0cr + (i << 2)); -#else - mtdcr(memcfga, mem_b1cr + (i << 2)); -#endif - temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK | - SDRAM_BXCR_SDSZ_MASK | - SDRAM_BXCR_SDAM_MASK | - SDRAM_BXCR_SDBE); - cr |= temp; - cr |= bank_base_addr & SDRAM_BXCR_SDBA_MASK; - mtdcr(memcfgd, cr); - bank_base_addr += bank_size_bytes; - } - } else { - for (i = 0; i < num_banks; i++) { -#ifndef CONFIG_BAMBOO - mtdcr(memcfga, mem_b2cr + (i << 2)); -#else - mtdcr(memcfga, mem_b3cr + (i << 2)); -#endif - temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK | - SDRAM_BXCR_SDSZ_MASK | - SDRAM_BXCR_SDAM_MASK | - SDRAM_BXCR_SDBE); - cr |= temp; - cr |= bank_base_addr & SDRAM_BXCR_SDBA_MASK; - mtdcr(memcfgd, cr); - bank_base_addr += bank_size_bytes; - } + for (i = 0; i < num_banks; i++) { + bank_parms[ctrl_bank_num[dimm_num]+i].bank_size_bytes = + (4 * 1024 * 1024) * bank_size_id; + bank_parms[ctrl_bank_num[dimm_num]+i].cr = cr; } } } + /* Initialize sort tables */ + for (i = 0; i < MAXBXCR; i++) { + sorted_bank_num[i] = i; + sorted_bank_size[i] = bank_parms[i].bank_size_bytes; + } + + for (i = 0; i < MAXBXCR-1; i++) { + largest_size = sorted_bank_size[i]; + largest_size_index = 255; + + /* Find the largest remaining value */ + for (j = i + 1; j < MAXBXCR; j++) { + if (sorted_bank_size[j] > largest_size) { + /* Save largest remaining value and its index */ + largest_size = sorted_bank_size[j]; + largest_size_index = j; + } + } + + if (largest_size_index != 255) { + /* Swap the current and largest values */ + current_size_index = sorted_bank_num[largest_size_index]; + sorted_bank_size[largest_size_index] = sorted_bank_size[i]; + sorted_bank_size[i] = largest_size; + sorted_bank_num[largest_size_index] = sorted_bank_num[i]; + sorted_bank_num[i] = current_size_index; + } + } + + /* Set the SDRAM0_BxCR regs thanks to sort tables */ + for (bx_cr_num = 0, bank_base_addr = 0; bx_cr_num < MAXBXCR; bx_cr_num++) { + if (bank_parms[sorted_bank_num[bx_cr_num]].bank_size_bytes) { + mtdcr(memcfga, mem_b0cr + (sorted_bank_num[bx_cr_num] << 2)); + temp = mfdcr(memcfgd) & ~(SDRAM_BXCR_SDBA_MASK | SDRAM_BXCR_SDSZ_MASK | + SDRAM_BXCR_SDAM_MASK | SDRAM_BXCR_SDBE); + temp = temp | (bank_base_addr & SDRAM_BXCR_SDBA_MASK) | + bank_parms[sorted_bank_num[bx_cr_num]].cr; + mtdcr(memcfgd, temp); + bank_base_addr += bank_parms[sorted_bank_num[bx_cr_num]].bank_size_bytes; + } + } + return(bank_base_addr); } -void program_ecc (unsigned long num_bytes) +void program_ecc (unsigned long num_bytes) { unsigned long bank_base_addr; unsigned long current_address; diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c index 469f97d..553c491 100644 --- a/cpu/ppc4xx/speed.c +++ b/cpu/ppc4xx/speed.c @@ -283,7 +283,7 @@ ulong get_PCI_freq (void) return sys_info.freqPCI; } -#elif !defined(CONFIG_440GX) +#elif !defined(CONFIG_440GX) && !defined(CONFIG_440SP) void get_sys_info (sys_info_t * sysInfo) { unsigned long strp0; @@ -381,6 +381,13 @@ ulong get_OPB_freq (void) extern void get_sys_info (sys_info_t * sysInfo); extern ulong get_PCI_freq (void); +#elif defined(CONFIG_AP1000) +void get_sys_info (sys_info_t * sysInfo) { + sysInfo->freqProcessor = 240 * 1000 * 1000; + sysInfo->freqPLB = 80 * 1000 * 1000; + sysInfo->freqPCI = 33 * 1000 * 1000; +} + #elif defined(CONFIG_405) void get_sys_info (sys_info_t * sysInfo) { diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 003c5b6..48b430d 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -42,7 +42,7 @@ /* LICENSED MATERIAL - PROGRAM PROPERTY OF I B M */ /*------------------------------------------------------------------------------- */ -/* U-Boot - Startup Code for IBM 4xx PowerPC based Embedded Boards +/* U-Boot - Startup Code for AMCC 4xx PowerPC based Embedded Boards * * * The processor starts at 0xfffffffc and the code is executed @@ -166,7 +166,7 @@ _start_440: mtspr srr1,r0 mtspr csrr0,r0 mtspr csrr1,r0 -#if defined (CONFIG_440GX) /* NOTE: 440GX adds machine check status regs */ +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) /* NOTE: 440GX adds machine check status regs */ mtspr mcsrr0,r0 mtspr mcsrr1,r0 mfspr r1, mcsr @@ -394,7 +394,7 @@ __440gx_msr_continue: addi r3,r3,32 bdnz ..d_ag #else -#if defined (CONFIG_440GX) +#if defined (CONFIG_440GX) || defined(CONFIG_440SP) mtdcr l2_cache_cfg,r0 /* Ensure L2 Cache is off */ #endif mtdcr isram0_sb1cr,r0 /* Disable bank 1 */ @@ -409,7 +409,7 @@ __440gx_msr_continue: mtdcr isram0_pmeg,r1 lis r1,0x8000 /* BAS = 8000_0000 */ -#if defined(CONFIG_440GX) +#if defined(CONFIG_440GX) || defined(CONFIG_440SP) ori r1,r1,0x0980 /* first 64k */ mtdcr isram0_sb0cr,r1 lis r1,0x8001 @@ -432,7 +432,6 @@ __440gx_msr_continue: /*----------------------------------------------------------------*/ lis r1,CFG_INIT_RAM_ADDR@h ori r1,r1,CFG_INIT_SP_OFFSET@l - li r0,0 stwu r0,-4(r1) stwu r0,-4(r1) /* Terminate call chain */ @@ -444,6 +443,8 @@ __440gx_msr_continue: stw r0,+12(r1) /* Save return addr (underflow vect) */ GET_GOT + + bl cpu_init_f /* run low-level CPU init code (from Flash) */ bl board_init_f #endif /* CONFIG_440 */ @@ -975,12 +976,8 @@ invalidate_icache: invalidate_dcache: addi r6,0,0x0000 /* clear GPR 6 */ /* Do loop for # of dcache congruence classes. */ -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) lis r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha /* TBS for large sized cache */ ori r7, r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l -#else - addi r7,r0, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2) -#endif /* NOTE: dccci invalidates both */ mtctr r7 /* ways in the D cache */ ..dcloop: @@ -1001,15 +998,10 @@ flush_dcache: mtdccr r10 /* do loop for # of congruence classes. */ -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) lis r10,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha /* TBS: for large cache sizes */ ori r10,r10,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l lis r11,(CFG_DCACHE_SIZE / 2)@ha /* D cache set size - 2 way sets */ ori r11,r11,(CFG_DCACHE_SIZE / 2)@l /* D cache set size - 2 way sets */ -#else - addi r10,r0,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2) - addi r11,r0,(CFG_DCACHE_SIZE / 2) /* D cache set size - 2 way sets */ -#endif mtctr r10 addi r10,r0,(0xE000-0x10000) /* start at 0xFFFFE000 */ add r11,r10,r11 /* add to get to other side of cache line */ @@ -1231,9 +1223,9 @@ relocate_code: #if defined(CONFIG_440EP) || defined(CONFIG_440GR) dccci 0,0 /* Invalidate data cache, now no longer our stack */ sync - addi r1,r0,0x0000 /* Tlb entry #0 */ + addi r1,r0,0x0000 /* TLB entry #0 */ tlbre r0,r1,0x0002 /* Read contents */ - ori r0,r0,0x0c00 /* Or in the inhibit, write through bit */ + ori r0,r0,0x0c00 /* Or in the inhibit, write through bit */ tlbwe r0,r1,0x0002 /* Save it out */ isync #endif diff --git a/cpu/ppc4xx/vecnum.h b/cpu/ppc4xx/vecnum.h index 1038975..cbfe41d 100644 --- a/cpu/ppc4xx/vecnum.h +++ b/cpu/ppc4xx/vecnum.h @@ -31,7 +31,35 @@ #ifndef _VECNUMS_H_ #define _VECNUMS_H_ -#if defined(CONFIG_440) +#if defined(CONFIG_440SP) + +/* UIC 0 */ +#define VECNUM_U0 0 /* UART0 */ +#define VECNUM_U1 1 /* UART1 */ +#define VECNUM_IIC0 2 /* IIC0 */ +#define VECNUM_IIC1 3 /* IIC1 */ +#define VECNUM_PIM 4 /* PCI inbound message */ +#define VECNUM_PCRW 5 /* PCI command reg write */ +#define VECNUM_PPM 6 /* PCI power management */ +#define VECNUM_UIC1NC 30 /* UIC1 non-critical interrupt */ +#define VECNUM_UIC1C 31 /* UIC1 critical interrupt */ + +/* UIC 1 */ +#define VECNUM_EIR0 (32 + 0) /* External interrupt 0 */ +#define VECNUM_MS (32 + 1) /* MAL SERR */ +#define VECNUM_TXDE (32 + 2) /* MAL TXDE */ +#define VECNUM_RXDE (32 + 3) /* MAL RXDE */ +#define VECNUM_MTE (32 + 6) /* MAL Tx EOB */ +#define VECNUM_MRE (32 + 7) /* MAL Rx EOB */ +#define VECNUM_CT0 (32 + 12) /* GPT compare timer 0 */ +#define VECNUM_CT1 (32 + 13) /* GPT compare timer 1 */ +#define VECNUM_CT2 (32 + 14) /* GPT compare timer 2 */ +#define VECNUM_CT3 (32 + 15) /* GPT compare timer 3 */ +#define VECNUM_CT4 (32 + 16) /* GPT compare timer 4 */ +#define VECNUM_ETH0 (32 + 28) /* Ethernet interrupt status */ +#define VECNUM_EWU0 (32 + 29) /* Emac wakeup */ + +#elif defined(CONFIG_440) /* UIC 0 */ #define VECNUM_U0 0 /* UART0 */ diff --git a/cpu/pxa/config.mk b/cpu/pxa/config.mk index 6030c49..fb810ca 100644 --- a/cpu/pxa/config.mk +++ b/cpu/pxa/config.mk @@ -23,7 +23,14 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float #PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100 -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv5 -mtune=xscale +PLATFORM_CPPFLAGS += -march=armv5 -mtune=xscale +# ========================================================================= +# +# Supply options according to compiler version +# +# ======================================================================== +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/s3c44b0/config.mk b/cpu/s3c44b0/config.mk index a1c5dd1..6dc9c46 100644 --- a/cpu/s3c44b0/config.mk +++ b/cpu/s3c44b0/config.mk @@ -23,6 +23,13 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi -msoft-float +PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi -msoft-float +# ========================================================================= +# +# Supply options according to compiler version +# +# ======================================================================== +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/sa1100/config.mk b/cpu/sa1100/config.mk index c40dcf8..5be7dfb 100644 --- a/cpu/sa1100/config.mk +++ b/cpu/sa1100/config.mk @@ -23,6 +23,13 @@ # PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ - -mshort-load-bytes -msoft-float + -msoft-float -PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100 +PLATFORM_CPPFLAGS += -march=armv4 -mtune=strongarm1100 +# ========================================================================= +# +# Supply options according to compiler version +# +# ======================================================================== +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) |