diff options
author | Wolfgang Denk <wd@denx.de> | 2008-09-01 00:06:05 +0200 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2008-09-01 00:06:05 +0200 |
commit | a13b2d937941f6b525abfcfad96c034f94421188 (patch) | |
tree | 56e5bdaf62397b2f8cc2be9b17a035d9b059bf8a /cpu | |
parent | e155c9e00b5f21a6de28479259c440ba71289d00 (diff) | |
parent | d6e04258be8f2408845468d3cf722a4cf0433445 (diff) | |
download | u-boot-imx-a13b2d937941f6b525abfcfad96c034f94421188.zip u-boot-imx-a13b2d937941f6b525abfcfad96c034f94421188.tar.gz u-boot-imx-a13b2d937941f6b525abfcfad96c034f94421188.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/arm1176/Makefile | 50 | ||||
-rw-r--r-- | cpu/arm1176/config.mk | 35 | ||||
-rw-r--r-- | cpu/arm1176/cpu.c | 188 | ||||
-rw-r--r-- | cpu/arm1176/s3c64xx/Makefile | 49 | ||||
-rw-r--r-- | cpu/arm1176/s3c64xx/config.mk | 34 | ||||
-rw-r--r-- | cpu/arm1176/s3c64xx/cpu_init.S | 142 | ||||
-rw-r--r-- | cpu/arm1176/s3c64xx/interrupts.c | 174 | ||||
-rw-r--r-- | cpu/arm1176/s3c64xx/speed.c | 145 | ||||
-rw-r--r-- | cpu/arm1176/s3c64xx/usb.c | 45 | ||||
-rw-r--r-- | cpu/arm1176/start.S | 469 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/dp83848.c | 24 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/ether.c | 114 | ||||
-rw-r--r-- | cpu/arm926ejs/davinci/lxt972.c | 20 |
13 files changed, 1410 insertions, 79 deletions
diff --git a/cpu/arm1176/Makefile b/cpu/arm1176/Makefile new file mode 100644 index 0000000..1ca9199 --- /dev/null +++ b/cpu/arm1176/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2008 +# Guennadi Liakhovetki, DENX Software Engineering, <lg@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 = $(obj)lib$(CPU).a + +START = start.o +COBJS = cpu.o + +SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) +START := $(addprefix $(obj),$(START)) + +all: $(obj).depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/cpu/arm1176/config.mk b/cpu/arm1176/config.mk new file mode 100644 index 0000000..5083594 --- /dev/null +++ b/cpu/arm1176/config.mk @@ -0,0 +1,35 @@ +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, <gj@denx.de> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# +PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ + -msoft-float + +# Make ARMv5 to allow more compilers to work, even though its v6. +PLATFORM_CPPFLAGS += -march=armv5t +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,) +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/arm1176/cpu.c b/cpu/arm1176/cpu.c new file mode 100644 index 0000000..1e94f7d --- /dev/null +++ b/cpu/arm1176/cpu.c @@ -0,0 +1,188 @@ +/* + * (C) Copyright 2004 Texas Insturments + * + * (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 <s3c6400.h> + +static void cache_flush (void); + +/* 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"); + return value; +} + +/* write to co-processor 15, register #1 (control register) */ +static void write_p15_c1 (unsigned long value) +{ + __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; + + /* Many OMAP regs need at least 2 nops */ + for (i = 0; i < 100; i++) + __asm__ __volatile__("nop\n"); +} + +/* See also ARM Ref. Man. */ +#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_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 */ +#define RESERVED_1 (0xf << 3) /* must be 111b for R/W */ + +int cpu_init (void) +{ + 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 (); + + /* turn off I/D-cache */ + icache_disable(); + dcache_disable(); + cache_flush(); + + return 0; +} + + +/* * reset the cpu by setting up the watchdog timer and let him time out */ +void reset_cpu (ulong ignored) +{ + printf("reset... \n\n\n"); + SW_RST_REG = 0x6400; + /* loop forever and wait for reset to happen */ + while (1) { + if (serial_tstc()) { + serial_getc(); + break; + } + } + /*NOTREACHED*/ +} + +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + disable_interrupts (); + reset_cpu (0); + /*NOTREACHED*/ + return 0; +} + +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; +} + +/* It makes no sense to use the dcache if the MMU is not enabled */ +void dcache_enable (void) +{ + ulong reg; + + reg = read_p15_c1 (); + cp_delay (); + write_p15_c1 (reg | C1_DC); +} + +void dcache_disable (void) +{ + ulong reg; + + reg = read_p15_c1 (); + cp_delay (); + write_p15_c1 (reg & ~C1_DC); +} + +int dcache_status (void) +{ + return (read_p15_c1 () & C1_DC) != 0; +} + +/* flush I/D-cache */ +static void cache_flush (void) +{ + /* invalidate both caches and flush btb */ + asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (0)); + /* mem barrier to sync things */ + asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0)); +} diff --git a/cpu/arm1176/s3c64xx/Makefile b/cpu/arm1176/s3c64xx/Makefile new file mode 100644 index 0000000..4ab1811 --- /dev/null +++ b/cpu/arm1176/s3c64xx/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2008 +# Guennadi Liakhovetki, DENX Software Engineering, <lg@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 = $(obj)lib$(SOC).a + +COBJS-y = interrupts.o +COBJS-$(CONFIG_S3C6400) += cpu_init.o speed.o +COBJS-$(CONFIG_USB_OHCI_NEW) += usb.o + +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) + +all: $(obj).depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/cpu/arm1176/s3c64xx/config.mk b/cpu/arm1176/s3c64xx/config.mk new file mode 100644 index 0000000..204e880 --- /dev/null +++ b/cpu/arm1176/s3c64xx/config.mk @@ -0,0 +1,34 @@ +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, <gj@denx.de> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# +PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ + -msoft-float + +# Make ARMv5 to allow more compilers to work, even though its v6. +PLATFORM_CPPFLAGS += -march=armv5t +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +#PLATFORM_CPPFLAGS +=$(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/arm1176/s3c64xx/cpu_init.S b/cpu/arm1176/s3c64xx/cpu_init.S new file mode 100644 index 0000000..08bda99 --- /dev/null +++ b/cpu/arm1176/s3c64xx/cpu_init.S @@ -0,0 +1,142 @@ +/* + * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400 + * + * Copyright (C) 2008 + * Guennadi Liakhovetki, DENX Software Engineering, <lg@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 <config.h> +#include <s3c6400.h> + + .globl mem_ctrl_asm_init +mem_ctrl_asm_init: + /* Memory subsystem address 0x7e00f120 */ + ldr r0, =ELFIN_MEM_SYS_CFG + + /* Xm0CSn2 = NFCON CS0, Xm0CSn3 = NFCON CS1 */ + mov r1, #0xd + str r1, [r0] + + /* DMC1 base address 0x7e001000 */ + ldr r0, =ELFIN_DMC1_BASE + + ldr r1, =0x4 + str r1, [r0, #INDEX_DMC_MEMC_CMD] + + ldr r1, =DMC_DDR_REFRESH_PRD + str r1, [r0, #INDEX_DMC_REFRESH_PRD] + + ldr r1, =DMC_DDR_CAS_LATENCY + str r1, [r0, #INDEX_DMC_CAS_LATENCY] + + ldr r1, =DMC_DDR_t_DQSS + str r1, [r0, #INDEX_DMC_T_DQSS] + + ldr r1, =DMC_DDR_t_MRD + str r1, [r0, #INDEX_DMC_T_MRD] + + ldr r1, =DMC_DDR_t_RAS + str r1, [r0, #INDEX_DMC_T_RAS] + + ldr r1, =DMC_DDR_t_RC + str r1, [r0, #INDEX_DMC_T_RC] + + ldr r1, =DMC_DDR_t_RCD + ldr r2, =DMC_DDR_schedule_RCD + orr r1, r1, r2 + str r1, [r0, #INDEX_DMC_T_RCD] + + ldr r1, =DMC_DDR_t_RFC + ldr r2, =DMC_DDR_schedule_RFC + orr r1, r1, r2 + str r1, [r0, #INDEX_DMC_T_RFC] + + ldr r1, =DMC_DDR_t_RP + ldr r2, =DMC_DDR_schedule_RP + orr r1, r1, r2 + str r1, [r0, #INDEX_DMC_T_RP] + + ldr r1, =DMC_DDR_t_RRD + str r1, [r0, #INDEX_DMC_T_RRD] + + ldr r1, =DMC_DDR_t_WR + str r1, [r0, #INDEX_DMC_T_WR] + + ldr r1, =DMC_DDR_t_WTR + str r1, [r0, #INDEX_DMC_T_WTR] + + ldr r1, =DMC_DDR_t_XP + str r1, [r0, #INDEX_DMC_T_XP] + + ldr r1, =DMC_DDR_t_XSR + str r1, [r0, #INDEX_DMC_T_XSR] + + ldr r1, =DMC_DDR_t_ESR + str r1, [r0, #INDEX_DMC_T_ESR] + + ldr r1, =DMC1_MEM_CFG + str r1, [r0, #INDEX_DMC_MEMORY_CFG] + + ldr r1, =DMC1_MEM_CFG2 + str r1, [r0, #INDEX_DMC_MEMORY_CFG2] + + ldr r1, =DMC1_CHIP0_CFG + str r1, [r0, #INDEX_DMC_CHIP_0_CFG] + + ldr r1, =DMC_DDR_32_CFG + str r1, [r0, #INDEX_DMC_USER_CONFIG] + + /* DMC0 DDR Chip 0 configuration direct command reg */ + ldr r1, =DMC_NOP0 + str r1, [r0, #INDEX_DMC_DIRECT_CMD] + + /* Precharge All */ + ldr r1, =DMC_PA0 + str r1, [r0, #INDEX_DMC_DIRECT_CMD] + + /* Auto Refresh 2 time */ + ldr r1, =DMC_AR0 + str r1, [r0, #INDEX_DMC_DIRECT_CMD] + str r1, [r0, #INDEX_DMC_DIRECT_CMD] + + /* MRS */ + ldr r1, =DMC_mDDR_EMR0 + str r1, [r0, #INDEX_DMC_DIRECT_CMD] + + /* Mode Reg */ + ldr r1, =DMC_mDDR_MR0 + str r1, [r0, #INDEX_DMC_DIRECT_CMD] + + /* Enable DMC1 */ + mov r1, #0x0 + str r1, [r0, #INDEX_DMC_MEMC_CMD] + +check_dmc1_ready: + ldr r1, [r0, #INDEX_DMC_MEMC_STATUS] + mov r2, #0x3 + and r1, r1, r2 + cmp r1, #0x1 + bne check_dmc1_ready + nop + + mov pc, lr + + .ltorg diff --git a/cpu/arm1176/s3c64xx/interrupts.c b/cpu/arm1176/s3c64xx/interrupts.c new file mode 100644 index 0000000..8356ae4 --- /dev/null +++ b/cpu/arm1176/s3c64xx/interrupts.c @@ -0,0 +1,174 @@ +/* + * (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> + * + * (C) Copyright 2008 + * Guennadi Liakhovetki, DENX Software Engineering, <lg@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 <common.h> +#include <asm/proc-armv/ptrace.h> +#include <s3c6400.h> + +static ulong timer_load_val; + +#define PRESCALER 167 + +static s3c64xx_timers *s3c64xx_get_base_timers(void) +{ + return (s3c64xx_timers *)ELFIN_TIMER_BASE; +} + +/* macro to read the 16 bit timer */ +static inline ulong read_timer(void) +{ + s3c64xx_timers *const timers = s3c64xx_get_base_timers(); + + return timers->TCNTO4; +} + +/* Internal tick units */ +/* Last decremneter snapshot */ +static unsigned long lastdec; +/* Monotonic incrementing timer */ +static unsigned long long timestamp; + +int interrupt_init(void) +{ + s3c64xx_timers *const timers = s3c64xx_get_base_timers(); + + /* use PWM Timer 4 because it has no output */ + /* + * We use the following scheme for the timer: + * Prescaler is hard fixed at 167, divider at 1/4. + * This gives at PCLK frequency 66MHz approx. 10us ticks + * The timer is set to wrap after 100s, at 66MHz this obviously + * happens after 10,000,000 ticks. A long variable can thus + * keep values up to 40,000s, i.e., 11 hours. This should be + * enough for most uses:-) Possible optimizations: select a + * binary-friendly frequency, e.g., 1ms / 128. Also calculate + * the prescaler automatically for other PCLK frequencies. + */ + timers->TCFG0 = PRESCALER << 8; + if (timer_load_val == 0) { + timer_load_val = get_PCLK() / PRESCALER * (100 / 4); /* 100s */ + timers->TCFG1 = (timers->TCFG1 & ~0xf0000) | 0x20000; + } + + /* load value for 10 ms timeout */ + lastdec = timers->TCNTB4 = timer_load_val; + /* auto load, manual update of Timer 4 */ + timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | + TCON_4_UPDATE; + + /* auto load, start Timer 4 */ + timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | COUNT_4_ON; + timestamp = 0; + + return 0; +} + +/* + * timer without interrupts + */ + +/* + * 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) +{ + ulong now = read_timer(); + + if (lastdec >= now) { + /* normal mode */ + timestamp += lastdec - now; + } else { + /* we have an overflow ... */ + timestamp += lastdec + timer_load_val - now; + } + lastdec = now; + + return timestamp; +} + +/* + * 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) +{ + /* We overrun in 100s */ + return (ulong)(timer_load_val / 100); +} + +void reset_timer_masked(void) +{ + /* reset time */ + lastdec = read_timer(); + timestamp = 0; +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer_masked(void) +{ + return get_ticks() / (timer_load_val / (100 * CFG_HZ)); +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +void set_timer(ulong t) +{ + timestamp = t * (timer_load_val / (100 * CFG_HZ)); +} + +void udelay(unsigned long usec) +{ + unsigned long long tmp; + ulong tmo; + + tmo = (usec + 9) / 10; + tmp = get_ticks() + tmo; /* get current timestamp */ + + while (get_ticks() < tmp)/* loop till event */ + /*NOP*/; +} diff --git a/cpu/arm1176/s3c64xx/speed.c b/cpu/arm1176/s3c64xx/speed.c new file mode 100644 index 0000000..5c335a5 --- /dev/null +++ b/cpu/arm1176/s3c64xx/speed.c @@ -0,0 +1,145 @@ +/* + * (C) Copyright 2001-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * David Mueller, ELSOFT AG, d.mueller@elsoft.ch + * + * 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 + */ + +/* + * This code should work for both the S3C2400 and the S3C2410 + * as they seem to have the same PLL and clock machinery inside. + * The different address mapping is handled by the s3c24xx.h files below. + */ + +#include <common.h> +#include <s3c6400.h> + +#define APLL 0 +#define MPLL 1 +#define EPLL 2 + +/* ------------------------------------------------------------------------- */ +/* + * NOTE: This describes the proper use of this file. + * + * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL. + * + * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of + * the specified bus in HZ. + */ +/* ------------------------------------------------------------------------- */ + +static ulong get_PLLCLK(int pllreg) +{ + ulong r, m, p, s; + + switch (pllreg) { + case APLL: + r = APLL_CON_REG; + break; + case MPLL: + r = MPLL_CON_REG; + break; + case EPLL: + r = EPLL_CON0_REG; + break; + default: + hang(); + } + + m = (r >> 16) & 0x3ff; + p = (r >> 8) & 0x3f; + s = r & 0x7; + + return m * (CONFIG_SYS_CLK_FREQ / (p * (1 << s))); +} + +/* return ARMCORE frequency */ +ulong get_ARMCLK(void) +{ + ulong div; + + div = CLK_DIV0_REG; + + return get_PLLCLK(APLL) / ((div & 0x7) + 1); +} + +/* return FCLK frequency */ +ulong get_FCLK(void) +{ + return get_PLLCLK(APLL); +} + +/* return HCLK frequency */ +ulong get_HCLK(void) +{ + ulong fclk; + + uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1; + uint hclk_div = ((CLK_DIV0_REG >> 8) & 0x1) + 1; + + /* + * Bit 7 exists on s3c6410, and not on s3c6400, it is reserved on + * s3c6400 and is always 0, and it is indeed running in ASYNC mode + */ + if (OTHERS_REG & 0x80) + fclk = get_FCLK(); /* SYNC Mode */ + else + fclk = get_PLLCLK(MPLL); /* ASYNC Mode */ + + return fclk / (hclk_div * hclkx2_div); +} + +/* return PCLK frequency */ +ulong get_PCLK(void) +{ + ulong fclk; + uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1; + uint pre_div = ((CLK_DIV0_REG >> 12) & 0xf) + 1; + + if (OTHERS_REG & 0x80) + fclk = get_FCLK(); /* SYNC Mode */ + else + fclk = get_PLLCLK(MPLL); /* ASYNC Mode */ + + return fclk / (hclkx2_div * pre_div); +} + +/* return UCLK frequency */ +ulong get_UCLK(void) +{ + return get_PLLCLK(EPLL); +} + +int print_cpuinfo(void) +{ + printf("\nCPU: S3C6400@%luMHz\n", get_ARMCLK() / 1000000); + printf(" Fclk = %luMHz, Hclk = %luMHz, Pclk = %luMHz ", + get_FCLK() / 1000000, get_HCLK() / 1000000, + get_PCLK() / 1000000); + + if (OTHERS_REG & 0x80) + printf("(SYNC Mode) \n"); + else + printf("(ASYNC Mode) \n"); + return 0; +} diff --git a/cpu/arm1176/s3c64xx/usb.c b/cpu/arm1176/s3c64xx/usb.c new file mode 100644 index 0000000..274a4ed --- /dev/null +++ b/cpu/arm1176/s3c64xx/usb.c @@ -0,0 +1,45 @@ +/* + * URB OHCI HCD (Host Controller Driver) initialization for USB on the S3C64XX. + * + * Copyright (C) 2008, + * Guennadi Liakhovetski, DENX Software Engineering <lg@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 <common.h> +#include <s3c6400.h> + +int usb_cpu_init(void) +{ + OTHERS_REG |= 0x10000; + return 0; +} + +int usb_cpu_stop(void) +{ + OTHERS_REG &= ~0x10000; + return 0; +} + +void usb_cpu_init_fail(void) +{ + OTHERS_REG &= ~0x10000; +} diff --git a/cpu/arm1176/start.S b/cpu/arm1176/start.S new file mode 100644 index 0000000..991277f --- /dev/null +++ b/cpu/arm1176/start.S @@ -0,0 +1,469 @@ +/* + * armboot - Startup Code for S3C6400/ARM1176 CPU-core + * + * Copyright (c) 2007 Samsung Electronics + * + * Copyright (C) 2008 + * Guennadi Liakhovetki, DENX Software Engineering, <lg@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 + * + * 2007-09-21 - Restructured codes by jsgood (jsgood.yang@samsung.com) + * 2007-09-21 - Added MoviNAND and OneNAND boot codes by + * jsgood (jsgood.yang@samsung.com) + * Base codes by scsuh (sc.suh) + */ + +#include <config.h> +#include <version.h> +#ifdef CONFIG_ENABLE_MMU +#include <asm/proc/domain.h> +#endif +#include <s3c6400.h> + +#if !defined(CONFIG_ENABLE_MMU) && !defined(CFG_PHY_UBOOT_BASE) +#define CFG_PHY_UBOOT_BASE CFG_UBOOT_BASE +#endif + +/* + ************************************************************************* + * + * Jump vector table as in table 3.1 in [1] + * + ************************************************************************* + */ + +.globl _start +_start: b reset +#ifndef CONFIG_NAND_SPL + 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 +_pad: + .word 0x12345678 /* now 16*4=64 */ +#else + . = _start + 64 +#endif + +.global _end_vect +_end_vect: + .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 + +/* + * Below variable is very important because we use MMU in U-Boot. + * Without it, we cannot run code correctly before MMU is ON. + * by scsuh. + */ +_TEXT_PHY_BASE: + .word CFG_PHY_UBOOT_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 + +/* + * the actual reset code + */ + +reset: + /* + * set the cpu to SVC32 mode + */ + mrs r0, cpsr + bic r0, r0, #0x3f + orr r0, r0, #0xd3 + msr cpsr, r0 + +/* + ************************************************************************* + * + * CPU_init_critical registers + * + * setup important registers + * setup memory timing + * + ************************************************************************* + */ + /* + * we do sys-critical inits only at reboot, + * not when booting from ram! + */ +cpu_init_crit: + /* + * When booting from NAND - it has definitely been a reset, so, no need + * to flush caches and disable the MMU + */ +#ifndef CONFIG_NAND_SPL + /* + * flush v4 I/D caches + */ + mov r0, #0 + mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */ + mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */ + + /* + * 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 + /* Prepare to disable the MMU */ + adr r1, mmu_disable_phys + /* We presume we're within the first 1024 bytes */ + and r1, r1, #0x3fc + ldr r2, _TEXT_PHY_BASE + ldr r3, =0xfff00000 + and r2, r2, r3 + orr r2, r2, r1 + b mmu_disable + + .align 5 + /* Run in a single cache-line */ +mmu_disable: + mcr p15, 0, r0, c1, c0, 0 + nop + nop + mov pc, r2 +#endif + +mmu_disable_phys: + /* Peri port setup */ + ldr r0, =0x70000000 + orr r0, r0, #0x13 + mcr p15,0,r0,c15,c2,4 @ 256M (0x70000000 - 0x7fffffff) + + /* + * Go setup Memory and board specific bits prior to relocation. + */ + bl lowlevel_init /* go setup pll,mux,memory */ + +after_copy: +#ifdef CONFIG_ENABLE_MMU +enable_mmu: + /* enable domain access */ + ldr r5, =0x0000ffff + mcr p15, 0, r5, c3, c0, 0 /* load domain access register */ + + /* Set the TTB register */ + ldr r0, _mmu_table_base + ldr r1, =CFG_PHY_UBOOT_BASE + ldr r2, =0xfff00000 + bic r0, r0, r2 + orr r1, r0, r1 + mcr p15, 0, r1, c2, c0, 0 + + /* Enable the MMU */ + mrc p15, 0, r0, c1, c0, 0 + orr r0, r0, #1 /* Set CR_M to enable MMU */ + + /* Prepare to enable the MMU */ + adr r1, skip_hw_init + and r1, r1, #0x3fc + ldr r2, _TEXT_BASE + ldr r3, =0xfff00000 + and r2, r2, r3 + orr r2, r2, r1 + b mmu_enable + + .align 5 + /* Run in a single cache-line */ +mmu_enable: + + mcr p15, 0, r0, c1, c0, 0 + nop + nop + mov pc, r2 +#endif + +skip_hw_init: + /* Set up the stack */ +stack_setup: +#ifdef CONFIG_MEMORY_UPPER_CODE + ldr sp, =(CFG_UBOOT_BASE + CFG_UBOOT_SIZE - 0xc) +#else + 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 */ + sub sp, r0, #12 /* leave 3 words for abort-stack */ + +#endif + +clear_bss: + ldr r0, _bss_start /* find start of bss segment */ + ldr r1, _bss_end /* stop here */ + mov r2, #0 /* clear */ + +clbss_l: + str r2, [r0] /* clear loop... */ + add r0, r0, #4 + cmp r0, r1 + ble clbss_l + +#ifndef CONFIG_NAND_SPL + ldr pc, _start_armboot + +_start_armboot: + .word start_armboot +#else + b nand_boot +/* .word nand_boot*/ +#endif + +#ifdef CONFIG_ENABLE_MMU +_mmu_table_base: + .word mmu_table +#endif + +#ifndef CONFIG_NAND_SPL +/* + * we assume that cache operation is done before. (eg. cleanup_before_linux()) + * actually, we don't need to do anything about cache if not use d-cache in + * U-Boot. So, in this function we clean only MMU. by scsuh + * + * void theLastJump(void *kernel, int arch_num, uint boot_params); + */ +#ifdef CONFIG_ENABLE_MMU + .globl theLastJump +theLastJump: + mov r9, r0 + ldr r3, =0xfff00000 + ldr r4, _TEXT_PHY_BASE + adr r5, phy_last_jump + bic r5, r5, r3 + orr r5, r5, r4 + mov pc, r5 +phy_last_jump: + /* + * disable MMU stuff + */ + 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 + + mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */ + + mov r0, #0 + mov pc, r9 +#endif +/* + ************************************************************************* + * + * 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 ... + */ + + .macro bad_save_user_regs + /* carve out a frame on current user stack */ + sub sp, sp, #S_FRAME_SIZE + /* Save user registers (now in svc mode) r0-r12 */ + stmia sp, {r0 - r12} + + ldr r2, _armboot_start + sub r2, r2, #(CFG_MALLOC_LEN) + /* set base 2 words into abort stack */ + sub r2, r2, #(CFG_GBL_DATA_SIZE+8) + /* get values for "aborted" pc and cpsr (into parm regs) */ + ldmia r2, {r2 - r3} + /* grab pointer to old stack */ + add r0, sp, #S_FRAME_SIZE + + add r5, sp, #S_SP + mov r1, lr + /* save sp_SVC, lr_SVC, pc, cpsr */ + stmia r5, {r0 - r3} + /* save current stack into r0 (param register) */ + mov r0, sp + .endm + + .macro get_bad_stack + /* setup our mode stack (enter in banked mode) */ + ldr r13, _armboot_start + /* move past malloc pool */ + sub r13, r13, #(CFG_MALLOC_LEN) + /* move to reserved a couple spots for abort stack */ + sub r13, r13, #(CFG_GBL_DATA_SIZE + 8) + + /* save caller lr in position 0 of saved stack */ + str lr, [r13] + /* get the spsr */ + mrs lr, spsr + /* save spsr in position 1 of saved stack */ + str lr, [r13, #4] + + /* prepare SVC-Mode */ + mov r13, #MODE_SVC + @ msr spsr_c, r13 + /* switch modes, make sure moves will execute */ + msr spsr, r13 + /* capture return pc */ + mov lr, pc + /* jump to next instruction & switch modes. */ + movs pc, lr + .endm + + .macro get_bad_stack_swi + /* space on current stack for scratch reg. */ + sub r13, r13, #4 + /* save R0's value. */ + str r0, [r13] + /* get data regions start */ + ldr r0, _armboot_start + /* move past malloc pool */ + sub r0, r0, #(CFG_MALLOC_LEN) + /* move past gbl and a couple spots for abort stack */ + sub r0, r0, #(CFG_GBL_DATA_SIZE + 8) + /* save caller lr in position 0 of saved stack */ + str lr, [r0] + /* get the spsr */ + mrs r0, spsr + /* save spsr in position 1 of saved stack */ + str lr, [r0, #4] + /* restore r0 */ + ldr r0, [r13] + /* pop stack entry */ + add r13, r13, #4 + .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_swi + 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 + + .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 /* CONFIG_NAND_SPL */ diff --git a/cpu/arm926ejs/davinci/dp83848.c b/cpu/arm926ejs/davinci/dp83848.c index 2aa9ef1..59f039b 100644 --- a/cpu/arm926ejs/davinci/dp83848.c +++ b/cpu/arm926ejs/davinci/dp83848.c @@ -38,9 +38,9 @@ int dp83848_is_phy_connected(int phy_addr) { u_int16_t id1, id2; - if (!dm644x_eth_phy_read(phy_addr, DP83848_PHYID1_REG, &id1)) + if (!davinci_eth_phy_read(phy_addr, DP83848_PHYID1_REG, &id1)) return(0); - if (!dm644x_eth_phy_read(phy_addr, DP83848_PHYID2_REG, &id2)) + if (!davinci_eth_phy_read(phy_addr, DP83848_PHYID2_REG, &id2)) return(0); if ((id1 == DP83848_PHYID1_OUI) && (id2 == DP83848_PHYID2_OUI)) @@ -54,13 +54,13 @@ int dp83848_get_link_speed(int phy_addr) u_int16_t tmp; volatile emac_regs* emac = (emac_regs *)EMAC_BASE_ADDR; - if (!dm644x_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp)) return(0); if (!(tmp & DP83848_LINK_STATUS)) /* link up? */ return(0); - if (!dm644x_eth_phy_read(phy_addr, DP83848_PHY_STAT_REG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, DP83848_PHY_STAT_REG, &tmp)) return(0); /* Speed doesn't matter, there is no setting for it in EMAC... */ @@ -101,7 +101,7 @@ int dp83848_init_phy(int phy_addr) } /* Disable PHY Interrupts */ - dm644x_eth_phy_write(phy_addr, DP83848_PHY_INTR_CTRL_REG, 0); + davinci_eth_phy_write(phy_addr, DP83848_PHY_INTR_CTRL_REG, 0); return(ret); } @@ -112,13 +112,13 @@ int dp83848_auto_negotiate(int phy_addr) u_int16_t tmp; - if (!dm644x_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp)) return(0); /* Restart Auto_negotiation */ tmp &= ~DP83848_AUTONEG; /* remove autonegotiation enable */ tmp |= DP83848_ISOLATE; /* Electrically isolate PHY */ - dm644x_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); + davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); /* Set the Auto_negotiation Advertisement Register * MII advertising for Next page, 100BaseTxFD and HD, @@ -126,23 +126,23 @@ int dp83848_auto_negotiate(int phy_addr) */ tmp = DP83848_NP | DP83848_TX_FDX | DP83848_TX_HDX | DP83848_10_FDX | DP83848_10_HDX | DP83848_AN_IEEE_802_3; - dm644x_eth_phy_write(phy_addr, DP83848_ANA_REG, tmp); + davinci_eth_phy_write(phy_addr, DP83848_ANA_REG, tmp); /* Read Control Register */ - if (!dm644x_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp)) return(0); tmp |= DP83848_SPEED_SELECT | DP83848_AUTONEG | DP83848_DUPLEX_MODE; - dm644x_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); + davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); /* Restart Auto_negotiation */ tmp |= DP83848_RESTART_AUTONEG; - dm644x_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); + davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); /*check AutoNegotiate complete */ udelay(10000); - if (!dm644x_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp)) return(0); if (!(tmp & DP83848_AUTONEG_COMP)) diff --git a/cpu/arm926ejs/davinci/ether.c b/cpu/arm926ejs/davinci/ether.c index 5ae035b..f6f81df 100644 --- a/cpu/arm926ejs/davinci/ether.c +++ b/cpu/arm926ejs/davinci/ether.c @@ -50,12 +50,12 @@ unsigned int emac_dbg = 0; #define debug_emac(fmt,args...) if (emac_dbg) printf(fmt,##args) /* Internal static functions */ -static int dm644x_eth_hw_init (void); -static int dm644x_eth_open (void); -static int dm644x_eth_close (void); -static int dm644x_eth_send_packet (volatile void *packet, int length); -static int dm644x_eth_rcv_packet (void); -static void dm644x_eth_mdio_enable(void); +static int davinci_eth_hw_init (void); +static int davinci_eth_open (void); +static int davinci_eth_close (void); +static int davinci_eth_send_packet (volatile void *packet, int length); +static int davinci_eth_rcv_packet (void); +static void davinci_eth_mdio_enable(void); static int gen_init_phy(int phy_addr); static int gen_is_phy_connected(int phy_addr); @@ -65,48 +65,48 @@ static int gen_auto_negotiate(int phy_addr); /* Wrappers exported to the U-Boot proper */ int eth_hw_init(void) { - return(dm644x_eth_hw_init()); + return(davinci_eth_hw_init()); } int eth_init(bd_t * bd) { - return(dm644x_eth_open()); + return(davinci_eth_open()); } void eth_halt(void) { - dm644x_eth_close(); + davinci_eth_close(); } int eth_send(volatile void *packet, int length) { - return(dm644x_eth_send_packet(packet, length)); + return(davinci_eth_send_packet(packet, length)); } int eth_rx(void) { - return(dm644x_eth_rcv_packet()); + return(davinci_eth_rcv_packet()); } void eth_mdio_enable(void) { - dm644x_eth_mdio_enable(); + davinci_eth_mdio_enable(); } /* End of wrappers */ -static u_int8_t dm644x_eth_mac_addr[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; +static u_int8_t davinci_eth_mac_addr[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; /* * This function must be called before emac_open() if you want to override * the default mac address. */ -void dm644x_eth_set_mac_addr(const u_int8_t *addr) +void davinci_eth_set_mac_addr(const u_int8_t *addr) { int i; - for (i = 0; i < sizeof (dm644x_eth_mac_addr); i++) { - dm644x_eth_mac_addr[i] = addr[i]; + for (i = 0; i < sizeof (davinci_eth_mac_addr); i++) { + davinci_eth_mac_addr[i] = addr[i]; } } @@ -130,7 +130,7 @@ static volatile u_int8_t active_phy_addr = 0xff; phy_t phy; -static void dm644x_eth_mdio_enable(void) +static void davinci_eth_mdio_enable(void) { u_int32_t clkdiv; @@ -149,7 +149,7 @@ static void dm644x_eth_mdio_enable(void) * If no active PHY (or more than one PHY) found returns 0. * Sets active_phy_addr variable. */ -static int dm644x_eth_phy_detect(void) +static int davinci_eth_phy_detect(void) { u_int32_t phy_act_state; int i; @@ -159,7 +159,7 @@ static int dm644x_eth_phy_detect(void) if ((phy_act_state = adap_mdio->ALIVE) == 0) return(0); /* No active PHYs */ - debug_emac("dm644x_eth_phy_detect(), ALIVE = 0x%08x\n", phy_act_state); + debug_emac("davinci_eth_phy_detect(), ALIVE = 0x%08x\n", phy_act_state); for (i = 0; i < 32; i++) { if (phy_act_state & (1 << i)) { @@ -177,7 +177,7 @@ static int dm644x_eth_phy_detect(void) /* Read a PHY register via MDIO inteface. Returns 1 on success, 0 otherwise */ -int dm644x_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data) +int davinci_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data) { int tmp; @@ -201,7 +201,7 @@ int dm644x_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data) } /* Write to a PHY register via MDIO inteface. Blocks until operation is complete. */ -int dm644x_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data) +int davinci_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data) { while (adap_mdio->USERACCESS0 & MDIO_USERACCESS0_GO) {;} @@ -235,14 +235,14 @@ static int gen_is_phy_connected(int phy_addr) { u_int16_t dummy; - return(dm644x_eth_phy_read(phy_addr, PHY_PHYIDR1, &dummy)); + return(davinci_eth_phy_read(phy_addr, PHY_PHYIDR1, &dummy)); } static int gen_get_link_speed(int phy_addr) { u_int16_t tmp; - if (dm644x_eth_phy_read(phy_addr, MII_STATUS_REG, &tmp) && (tmp & 0x04)) + if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &tmp) && (tmp & 0x04)) return(1); return(0); @@ -252,16 +252,16 @@ static int gen_auto_negotiate(int phy_addr) { u_int16_t tmp; - if (!dm644x_eth_phy_read(phy_addr, PHY_BMCR, &tmp)) + if (!davinci_eth_phy_read(phy_addr, PHY_BMCR, &tmp)) return(0); /* Restart Auto_negotiation */ tmp |= PHY_BMCR_AUTON; - dm644x_eth_phy_write(phy_addr, PHY_BMCR, tmp); + davinci_eth_phy_write(phy_addr, PHY_BMCR, tmp); /*check AutoNegotiate complete */ udelay (10000); - if (!dm644x_eth_phy_read(phy_addr, PHY_BMSR, &tmp)) + if (!davinci_eth_phy_read(phy_addr, PHY_BMSR, &tmp)) return(0); if (!(tmp & PHY_BMSR_AUTN_COMP)) @@ -273,19 +273,19 @@ static int gen_auto_negotiate(int phy_addr) #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) -static int dm644x_mii_phy_read(char *devname, unsigned char addr, unsigned char reg, unsigned short *value) +static int davinci_mii_phy_read(char *devname, unsigned char addr, unsigned char reg, unsigned short *value) { - return(dm644x_eth_phy_read(addr, reg, value) ? 0 : 1); + return(davinci_eth_phy_read(addr, reg, value) ? 0 : 1); } -static int dm644x_mii_phy_write(char *devname, unsigned char addr, unsigned char reg, unsigned short value) +static int davinci_mii_phy_write(char *devname, unsigned char addr, unsigned char reg, unsigned short value) { - return(dm644x_eth_phy_write(addr, reg, value) ? 0 : 1); + return(davinci_eth_phy_write(addr, reg, value) ? 0 : 1); } -int dm644x_eth_miiphy_initialize(bd_t *bis) +int davinci_eth_miiphy_initialize(bd_t *bis) { - miiphy_register(phy.name, dm644x_mii_phy_read, dm644x_mii_phy_write); + miiphy_register(phy.name, davinci_mii_phy_read, davinci_mii_phy_write); return(1); } @@ -296,13 +296,13 @@ int dm644x_eth_miiphy_initialize(bd_t *bis) * EMAC modules power or pin multiplexors, that is done by board_init() * much earlier in bootup process. Returns 1 on success, 0 otherwise. */ -static int dm644x_eth_hw_init(void) +static int davinci_eth_hw_init(void) { u_int32_t phy_id; u_int16_t tmp; int i; - dm644x_eth_mdio_enable(); + davinci_eth_mdio_enable(); for (i = 0; i < 256; i++) { if (adap_mdio->ALIVE) @@ -316,18 +316,18 @@ static int dm644x_eth_hw_init(void) } /* Find if a PHY is connected and get it's address */ - if (!dm644x_eth_phy_detect()) + if (!davinci_eth_phy_detect()) return(0); /* Get PHY ID and initialize phy_ops for a detected PHY */ - if (!dm644x_eth_phy_read(active_phy_addr, PHY_PHYIDR1, &tmp)) { + if (!davinci_eth_phy_read(active_phy_addr, PHY_PHYIDR1, &tmp)) { active_phy_addr = 0xff; return(0); } phy_id = (tmp << 16) & 0xffff0000; - if (!dm644x_eth_phy_read(active_phy_addr, PHY_PHYIDR2, &tmp)) { + if (!davinci_eth_phy_read(active_phy_addr, PHY_PHYIDR2, &tmp)) { active_phy_addr = 0xff; return(0); } @@ -364,7 +364,7 @@ static int dm644x_eth_hw_init(void) /* Eth device open */ -static int dm644x_eth_open(void) +static int davinci_eth_open(void) { dv_reg_p addr; u_int32_t clkdiv, cnt; @@ -389,26 +389,26 @@ static int dm644x_eth_open(void) /* Using channel 0 only - other channels are disabled */ adap_emac->MACINDEX = 0; adap_emac->MACADDRHI = - (dm644x_eth_mac_addr[3] << 24) | - (dm644x_eth_mac_addr[2] << 16) | - (dm644x_eth_mac_addr[1] << 8) | - (dm644x_eth_mac_addr[0]); + (davinci_eth_mac_addr[3] << 24) | + (davinci_eth_mac_addr[2] << 16) | + (davinci_eth_mac_addr[1] << 8) | + (davinci_eth_mac_addr[0]); adap_emac->MACADDRLO = - (dm644x_eth_mac_addr[5] << 8) | - (dm644x_eth_mac_addr[4]); + (davinci_eth_mac_addr[5] << 8) | + (davinci_eth_mac_addr[4]); adap_emac->MACHASH1 = 0; adap_emac->MACHASH2 = 0; /* Set source MAC address - REQUIRED */ adap_emac->MACSRCADDRHI = - (dm644x_eth_mac_addr[3] << 24) | - (dm644x_eth_mac_addr[2] << 16) | - (dm644x_eth_mac_addr[1] << 8) | - (dm644x_eth_mac_addr[0]); + (davinci_eth_mac_addr[3] << 24) | + (davinci_eth_mac_addr[2] << 16) | + (davinci_eth_mac_addr[1] << 8) | + (davinci_eth_mac_addr[0]); adap_emac->MACSRCADDRLO = - (dm644x_eth_mac_addr[4] << 8) | - (dm644x_eth_mac_addr[5]); + (davinci_eth_mac_addr[4] << 8) | + (davinci_eth_mac_addr[5]); /* Set DMA 8 TX / 8 RX Head pointers to 0 */ addr = &adap_emac->TX0HDP; @@ -473,7 +473,7 @@ static int dm644x_eth_open(void) } /* EMAC Channel Teardown */ -static void dm644x_eth_ch_teardown(int ch) +static void davinci_eth_ch_teardown(int ch) { dv_reg dly = 0xff; dv_reg cnt; @@ -516,12 +516,12 @@ static void dm644x_eth_ch_teardown(int ch) } /* Eth device close */ -static int dm644x_eth_close(void) +static int davinci_eth_close(void) { debug_emac("+ emac_close\n"); - dm644x_eth_ch_teardown(EMAC_CH_TX); /* TX Channel teardown */ - dm644x_eth_ch_teardown(EMAC_CH_RX); /* RX Channel teardown */ + davinci_eth_ch_teardown(EMAC_CH_TX); /* TX Channel teardown */ + davinci_eth_ch_teardown(EMAC_CH_RX); /* RX Channel teardown */ /* Reset EMAC module and disable interrupts in wrapper */ adap_emac->SOFTRESET = 1; @@ -537,7 +537,7 @@ static int tx_send_loop = 0; * This function sends a single packet on the network and returns * positive number (number of bytes transmitted) or negative for error */ -static int dm644x_eth_send_packet (volatile void *packet, int length) +static int davinci_eth_send_packet (volatile void *packet, int length) { int ret_status = -1; @@ -568,7 +568,7 @@ static int dm644x_eth_send_packet (volatile void *packet, int length) /* Wait for packet to complete or link down */ while (1) { if (!phy.get_link_speed (active_phy_addr)) { - dm644x_eth_ch_teardown (EMAC_CH_TX); + davinci_eth_ch_teardown (EMAC_CH_TX); return (ret_status); } if (adap_emac->TXINTSTATRAW & 0x01) { @@ -584,7 +584,7 @@ static int dm644x_eth_send_packet (volatile void *packet, int length) /* * This function handles receipt of a packet from the network */ -static int dm644x_eth_rcv_packet (void) +static int davinci_eth_rcv_packet (void) { volatile emac_desc *rx_curr_desc; volatile emac_desc *curr_desc; diff --git a/cpu/arm926ejs/davinci/lxt972.c b/cpu/arm926ejs/davinci/lxt972.c index 8130b48..ce3e41c 100644 --- a/cpu/arm926ejs/davinci/lxt972.c +++ b/cpu/arm926ejs/davinci/lxt972.c @@ -39,9 +39,9 @@ int lxt972_is_phy_connected(int phy_addr) { u_int16_t id1, id2; - if (!dm644x_eth_phy_read(phy_addr, PHY_PHYIDR1, &id1)) + if (!davinci_eth_phy_read(phy_addr, PHY_PHYIDR1, &id1)) return(0); - if (!dm644x_eth_phy_read(phy_addr, PHY_PHYIDR2, &id2)) + if (!davinci_eth_phy_read(phy_addr, PHY_PHYIDR2, &id2)) return(0); if ((id1 == (0x0013)) && ((id2 & 0xfff0) == 0x78e0)) @@ -55,20 +55,20 @@ int lxt972_get_link_speed(int phy_addr) u_int16_t stat1, tmp; volatile emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR; - if (!dm644x_eth_phy_read(phy_addr, PHY_LXT971_STAT2, &stat1)) + if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_STAT2, &stat1)) return(0); if (!(stat1 & PHY_LXT971_STAT2_LINK)) /* link up? */ return(0); - if (!dm644x_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp)) return(0); tmp |= PHY_LXT971_DIG_CFG_MII_DRIVE; - dm644x_eth_phy_write(phy_addr, PHY_LXT971_DIG_CFG, tmp); + davinci_eth_phy_write(phy_addr, PHY_LXT971_DIG_CFG, tmp); /* Read back */ - if (!dm644x_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp)) + if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp)) return(0); /* Speed doesn't matter, there is no setting for it in EMAC... */ @@ -95,7 +95,7 @@ int lxt972_init_phy(int phy_addr) } /* Disable PHY Interrupts */ - dm644x_eth_phy_write(phy_addr, PHY_LXT971_INT_ENABLE, 0); + davinci_eth_phy_write(phy_addr, PHY_LXT971_INT_ENABLE, 0); return(ret); } @@ -105,16 +105,16 @@ int lxt972_auto_negotiate(int phy_addr) { u_int16_t tmp; - if (!dm644x_eth_phy_read(phy_addr, PHY_BMCR, &tmp)) + if (!davinci_eth_phy_read(phy_addr, PHY_BMCR, &tmp)) return(0); /* Restart Auto_negotiation */ tmp |= PHY_BMCR_RST_NEG; - dm644x_eth_phy_write(phy_addr, PHY_BMCR, tmp); + davinci_eth_phy_write(phy_addr, PHY_BMCR, tmp); /*check AutoNegotiate complete */ udelay (10000); - if (!dm644x_eth_phy_read(phy_addr, PHY_BMSR, &tmp)) + if (!davinci_eth_phy_read(phy_addr, PHY_BMSR, &tmp)) return(0); if (!(tmp & PHY_BMSR_AUTN_COMP)) |