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-rw-r--r--cpu/mcf52x2/Makefile4
-rw-r--r--cpu/mcf52x2/cpu.c184
-rw-r--r--cpu/mcf52x2/cpu_init.c448
-rw-r--r--cpu/mcf52x2/fec.c605
-rw-r--r--cpu/mcf52x2/interrupts.c186
-rw-r--r--cpu/mcf52x2/serial.c215
-rw-r--r--cpu/mcf52x2/speed.c35
-rw-r--r--cpu/mcf52x2/start.S54
8 files changed, 496 insertions, 1235 deletions
diff --git a/cpu/mcf52x2/Makefile b/cpu/mcf52x2/Makefile
index 70d57cf..937cdd0 100644
--- a/cpu/mcf52x2/Makefile
+++ b/cpu/mcf52x2/Makefile
@@ -27,8 +27,8 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
-START =
-COBJS = serial.o interrupts.o cpu.o speed.o cpu_init.o fec.o
+START = start.o
+COBJS = interrupts.o cpu.o speed.o cpu_init.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index ce59d39..71ea408 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -28,33 +28,15 @@
#include <common.h>
#include <watchdog.h>
#include <command.h>
+#include <asm/immap.h>
#ifdef CONFIG_M5271
-#include <asm/immap_5271.h>
-#include <asm/m5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/immap_5272.h>
-#include <asm/m5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-#ifdef CONFIG_M5271
/*
* Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to
* determine which one we are running on, based on the Chip Identification
* Register (CIR).
*/
-int checkcpu (void)
+int checkcpu(void)
{
char buf[32];
unsigned short cir; /* Chip Identification Register */
@@ -80,156 +62,194 @@ int checkcpu (void)
if (cpu_model)
printf("CPU: Freescale ColdFire MCF%s rev. %hu, at %s MHz\n",
- cpu_model, prn, strmhz(buf, CFG_CLK));
+ cpu_model, prn, strmhz(buf, CFG_CLK));
else
printf("CPU: Unknown - Freescale ColdFire MCF5271 family"
- " (PIN: 0x%x) rev. %hu, at %s MHz\n",
- pin, prn, strmhz(buf, CFG_CLK));
+ " (PIN: 0x%x) rev. %hu, at %s MHz\n",
+ pin, prn, strmhz(buf, CFG_CLK));
return 0;
}
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
mbar_writeByte(MCF_RCM_RCR,
- MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
+ MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT);
return 0;
};
#if defined(CONFIG_WATCHDOG)
-void watchdog_reset (void)
+void watchdog_reset(void)
{
mbar_writeShort(MCF_WTM_WSR, 0x5555);
mbar_writeShort(MCF_WTM_WSR, 0xAAAA);
}
-int watchdog_disable (void)
+int watchdog_disable(void)
{
mbar_writeShort(MCF_WTM_WCR, 0);
return (0);
}
-int watchdog_init (void)
+int watchdog_init(void)
{
mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN);
return (0);
}
-#endif /* #ifdef CONFIG_WATCHDOG */
+#endif /* #ifdef CONFIG_WATCHDOG */
#endif
#ifdef CONFIG_M5272
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
- volatile wdog_t * wdp = (wdog_t *)(CFG_MBAR + MCFSIM_WRRR);
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
wdp->wdog_wrrr = 0;
- udelay (1000);
+ udelay(1000);
/* enable watchdog, set timeout to 0 and wait */
wdp->wdog_wrrr = 1;
- while (1);
+ while (1) ;
/* we don't return! */
return 0;
};
-int checkcpu(void) {
- ulong *dirp = (ulong *)(CFG_MBAR + MCFSIM_DIR);
+int checkcpu(void)
+{
+ volatile sysctrl_t *sysctrl = (sysctrl_t *) (MMAP_CFG);
uchar msk;
- char *suf;
+ char *suf;
- puts ("CPU: ");
- msk = (*dirp > 28) & 0xf;
+ puts("CPU: ");
+ msk = (sysctrl->sc_dir > 28) & 0xf;
switch (msk) {
- case 0x2: suf = "1K75N"; break;
- case 0x4: suf = "3K75N"; break;
- default:
- suf = NULL;
- printf ("Freescale MCF5272 (Mask:%01x)\n", msk);
- break;
- }
+ case 0x2:
+ suf = "1K75N";
+ break;
+ case 0x4:
+ suf = "3K75N";
+ break;
+ default:
+ suf = NULL;
+ printf("Freescale MCF5272 (Mask:%01x)\n", msk);
+ break;
+ }
if (suf)
- printf ("Freescale MCF5272 %s\n", suf);
+ printf("Freescale MCF5272 %s\n", suf);
return 0;
};
#if defined(CONFIG_WATCHDOG)
/* Called by macro WATCHDOG_RESET */
-void watchdog_reset (void)
+void watchdog_reset(void)
{
- volatile immap_t * regp = (volatile immap_t *)CFG_MBAR;
- regp->wdog_reg.wdog_wcr = 0;
+ volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
+ wdt->wdog_wcr = 0;
}
-int watchdog_disable (void)
+int watchdog_disable(void)
{
- volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
+ volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- regp->wdog_reg.wdog_wcr = 0; /* reset watchdog counter */
- regp->wdog_reg.wdog_wirr = 0; /* disable watchdog interrupt */
- regp->wdog_reg.wdog_wrrr = 0; /* disable watchdog timer */
+ wdt->wdog_wcr = 0; /* reset watchdog counter */
+ wdt->wdog_wirr = 0; /* disable watchdog interrupt */
+ wdt->wdog_wrrr = 0; /* disable watchdog timer */
- puts ("WATCHDOG:disabled\n");
+ puts("WATCHDOG:disabled\n");
return (0);
}
-int watchdog_init (void)
+int watchdog_init(void)
{
- volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
+ volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG);
- regp->wdog_reg.wdog_wirr = 0; /* disable watchdog interrupt */
+ wdt->wdog_wirr = 0; /* disable watchdog interrupt */
/* set timeout and enable watchdog */
- regp->wdog_reg.wdog_wrrr = ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
- regp->wdog_reg.wdog_wcr = 0; /* reset watchdog counter */
+ wdt->wdog_wrrr =
+ ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
+ wdt->wdog_wcr = 0; /* reset watchdog counter */
- puts ("WATCHDOG:enabled\n");
+ puts("WATCHDOG:enabled\n");
return (0);
}
-#endif /* #ifdef CONFIG_WATCHDOG */
-
-#endif /* #ifdef CONFIG_M5272 */
+#endif /* #ifdef CONFIG_WATCHDOG */
+#endif /* #ifdef CONFIG_M5272 */
#ifdef CONFIG_M5282
-int checkcpu (void)
+int checkcpu(void)
{
unsigned char resetsource = MCFRESET_RSR;
- printf ("CPU: Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
- MCFCCM_CIR>>8,MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
- printf ("Reset:%s%s%s%s%s%s%s\n",
- (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "",
- (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "",
- (resetsource & MCFRESET_RSR_EXT) ? " External" : "",
- (resetsource & MCFRESET_RSR_POR) ? " Power On" : "",
- (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "",
- (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "",
- (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : ""
- );
+ printf("CPU: Freescale Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n",
+ MCFCCM_CIR >> 8, MCFCCM_CIR & MCFCCM_CIR_PRN_MASK);
+ printf("Reset:%s%s%s%s%s%s%s\n",
+ (resetsource & MCFRESET_RSR_LOL) ? " Loss of Lock" : "",
+ (resetsource & MCFRESET_RSR_LOC) ? " Loss of Clock" : "",
+ (resetsource & MCFRESET_RSR_EXT) ? " External" : "",
+ (resetsource & MCFRESET_RSR_POR) ? " Power On" : "",
+ (resetsource & MCFRESET_RSR_WDR) ? " Watchdog" : "",
+ (resetsource & MCFRESET_RSR_SOFT) ? " Software" : "",
+ (resetsource & MCFRESET_RSR_LVD) ? " Low Voltage" : "");
return 0;
}
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
{
MCFRESET_RCR = MCFRESET_RCR_SOFTRST;
return 0;
};
#endif
-#ifdef CONFIG_M5249 /* test-only: todo... */
-int checkcpu (void)
+#ifdef CONFIG_M5249
+int checkcpu(void)
{
char buf[32];
- printf ("CPU: Freescale Coldfire MCF5249 at %s MHz\n", strmhz(buf, CFG_CLK));
+ printf("CPU: Freescale Coldfire MCF5249 at %s MHz\n",
+ strmhz(buf, CFG_CLK));
return 0;
}
-int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
/* enable watchdog, set timeout to 0 and wait */
mbar_writeByte(MCFSIM_SYPCR, 0xc0);
- while (1);
+ while (1) ;
+
+ /* we don't return! */
+ return 0;
+};
+#endif
+
+#ifdef CONFIG_M5253
+int checkcpu(void)
+{
+ char buf[32];
+
+ unsigned char resetsource = mbar_readLong(SIM_RSR);
+ printf("CPU: Freescale Coldfire MCF5253 at %s MHz\n",
+ strmhz(buf, CFG_CLK));
+
+ if ((resetsource & SIM_RSR_HRST) || (resetsource & SIM_RSR_SWTR)) {
+ printf("Reset:%s%s\n",
+ (resetsource & SIM_RSR_HRST) ? " Hardware/ System Reset"
+ : "",
+ (resetsource & SIM_RSR_SWTR) ? " Software Watchdog" :
+ "");
+ }
+ return 0;
+}
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ /* enable watchdog, set timeout to 0 and wait */
+ mbar_writeByte(SIM_SYPCR, 0xc0);
+ while (1) ;
/* we don't return! */
return 0;
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 1748ea9..458b85e 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -6,6 +6,10 @@
* (C) Copyright 2005
* BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ * Hayden Fraser (Hayden.Fraser@freescale.com)
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -27,28 +31,78 @@
#include <common.h>
#include <watchdog.h>
+#include <asm/immap.h>
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
+#if defined(CONFIG_M5253)
+/*
+ * Breath some life into the CPU...
+ *
+ * Set up the memory map,
+ * initialize a bunch of registers,
+ * initialize the UPM's
+ */
+void cpu_init_f(void)
+{
+ mbar_writeByte(MCFSIM_MPARK, 0x40); /* 5249 Internal Core takes priority over DMA */
+ mbar_writeByte(MCFSIM_SYPCR, 0x00);
+ mbar_writeByte(MCFSIM_SWIVR, 0x0f);
+ mbar_writeByte(MCFSIM_SWSR, 0x00);
+ mbar_writeByte(MCFSIM_SWDICR, 0x00);
+ mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
+ mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
+ mbar_writeByte(MCFSIM_I2CICR, 0x00);
+ mbar_writeByte(MCFSIM_UART1ICR, 0x00);
+ mbar_writeByte(MCFSIM_UART2ICR, 0x00);
+ mbar_writeByte(MCFSIM_ICR6, 0x00);
+ mbar_writeByte(MCFSIM_ICR7, 0x00);
+ mbar_writeByte(MCFSIM_ICR8, 0x00);
+ mbar_writeByte(MCFSIM_ICR9, 0x00);
+ mbar_writeByte(MCFSIM_QSPIICR, 0x00);
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
+ mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
+ mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
+ mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
+ /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
+ /*
+ * Setup chip selects...
+ */
+
+ mbar_writeShort(MCFSIM_CSAR1, CFG_CSAR1);
+ mbar_writeShort(MCFSIM_CSCR1, CFG_CSCR1);
+ mbar_writeLong(MCFSIM_CSMR1, CFG_CSMR1);
+
+ mbar_writeShort(MCFSIM_CSAR0, CFG_CSAR0);
+ mbar_writeShort(MCFSIM_CSCR0, CFG_CSCR0);
+ mbar_writeLong(MCFSIM_CSMR0, CFG_CSMR0);
+
+ /* enable instruction cache now */
+ icache_enable();
+}
+
+/*initialize higher level parts of CPU like timers */
+int cpu_init_r(void)
+{
+ return (0);
+}
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ break;
+ case 1:
+ break;
+ case 2:
+ break;
+ }
+}
+#endif /* #if defined(CONFIG_M5253) */
#if defined(CONFIG_M5271)
-void cpu_init_f (void)
+void cpu_init_f(void)
{
#ifndef CONFIG_WATCHDOG
/* Disable the watchdog if we aren't using it */
@@ -58,25 +112,35 @@ void cpu_init_f (void)
/* Set clockspeed to 100MHz */
mbar_writeShort(MCF_FMPLL_SYNCR,
MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
- while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK);
-
- /* Enable UART pins */
- mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
- MCF_GPIO_PAR_UART_U0RXD |
- MCF_GPIO_PAR_UART_U1RXD_UART1 |
- MCF_GPIO_PAR_UART_U1TXD_UART1);
-
- /* Enable Ethernet pins */
- mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C);
+ while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ;
}
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
+ MCF_GPIO_PAR_UART_U0RXD);
+ break;
+ case 1:
+ mbar_writeShort(MCF_GPIO_PAR_UART,
+ MCF_GPIO_PAR_UART_U1RXD_UART1 |
+ MCF_GPIO_PAR_UART_U1TXD_UART1);
+ break;
+ case 2:
+ mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000);
+ break;
+ }
+}
#endif
#if defined(CONFIG_M5272)
@@ -87,69 +151,68 @@ int cpu_init_r (void)
* initialize a bunch of registers,
* initialize the UPM's
*/
-void cpu_init_f (void)
+void cpu_init_f(void)
{
/* if we come from RAM we assume the CPU is
* already initialized.
*/
#ifndef CONFIG_MONITOR_IS_IN_RAM
- volatile immap_t *regp = (immap_t *)CFG_MBAR;
-
- volatile unsigned char *mbar;
- mbar = (volatile unsigned char *) CFG_MBAR;
+ volatile sysctrl_t *sysctrl = (sysctrl_t *) (CFG_MBAR);
+ volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
+ volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
- regp->sysctrl_reg.sc_scr = CFG_SCR;
- regp->sysctrl_reg.sc_spr = CFG_SPR;
+ sysctrl->sc_scr = CFG_SCR;
+ sysctrl->sc_spr = CFG_SPR;
/* Setup Ports: */
- regp->gpio_reg.gpio_pacnt = CFG_PACNT;
- regp->gpio_reg.gpio_paddr = CFG_PADDR;
- regp->gpio_reg.gpio_padat = CFG_PADAT;
- regp->gpio_reg.gpio_pbcnt = CFG_PBCNT;
- regp->gpio_reg.gpio_pbddr = CFG_PBDDR;
- regp->gpio_reg.gpio_pbdat = CFG_PBDAT;
- regp->gpio_reg.gpio_pdcnt = CFG_PDCNT;
+ gpio->gpio_pacnt = CFG_PACNT;
+ gpio->gpio_paddr = CFG_PADDR;
+ gpio->gpio_padat = CFG_PADAT;
+ gpio->gpio_pbcnt = CFG_PBCNT;
+ gpio->gpio_pbddr = CFG_PBDDR;
+ gpio->gpio_pbdat = CFG_PBDAT;
+ gpio->gpio_pdcnt = CFG_PDCNT;
/* Memory Controller: */
- regp->csctrl_reg.cs_br0 = CFG_BR0_PRELIM;
- regp->csctrl_reg.cs_or0 = CFG_OR0_PRELIM;
+ csctrl->cs_br0 = CFG_BR0_PRELIM;
+ csctrl->cs_or0 = CFG_OR0_PRELIM;
#if (defined(CFG_OR1_PRELIM) && defined(CFG_BR1_PRELIM))
- regp->csctrl_reg.cs_br1 = CFG_BR1_PRELIM;
- regp->csctrl_reg.cs_or1 = CFG_OR1_PRELIM;
+ csctrl->cs_br1 = CFG_BR1_PRELIM;
+ csctrl->cs_or1 = CFG_OR1_PRELIM;
#endif
#if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
- regp->csctrl_reg.cs_br2 = CFG_BR2_PRELIM;
- regp->csctrl_reg.cs_or2 = CFG_OR2_PRELIM;
+ csctrl->cs_br2 = CFG_BR2_PRELIM;
+ csctrl->cs_or2 = CFG_OR2_PRELIM;
#endif
#if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM)
- regp->csctrl_reg.cs_br3 = CFG_BR3_PRELIM;
- regp->csctrl_reg.cs_or3 = CFG_OR3_PRELIM;
+ csctrl->cs_br3 = CFG_BR3_PRELIM;
+ csctrl->cs_or3 = CFG_OR3_PRELIM;
#endif
#if defined(CFG_OR4_PRELIM) && defined(CFG_BR4_PRELIM)
- regp->csctrl_reg.cs_br4 = CFG_BR4_PRELIM;
- regp->csctrl_reg.cs_or4 = CFG_OR4_PRELIM;
+ csctrl->cs_br4 = CFG_BR4_PRELIM;
+ csctrl->cs_or4 = CFG_OR4_PRELIM;
#endif
#if defined(CFG_OR5_PRELIM) && defined(CFG_BR5_PRELIM)
- regp->csctrl_reg.cs_br5 = CFG_BR5_PRELIM;
- regp->csctrl_reg.cs_or5 = CFG_OR5_PRELIM;
+ csctrl->cs_br5 = CFG_BR5_PRELIM;
+ csctrl->cs_or5 = CFG_OR5_PRELIM;
#endif
#if defined(CFG_OR6_PRELIM) && defined(CFG_BR6_PRELIM)
- regp->csctrl_reg.cs_br6 = CFG_BR6_PRELIM;
- regp->csctrl_reg.cs_or6 = CFG_OR6_PRELIM;
+ csctrl->cs_br6 = CFG_BR6_PRELIM;
+ csctrl->cs_or6 = CFG_OR6_PRELIM;
#endif
#if defined(CFG_OR7_PRELIM) && defined(CFG_BR7_PRELIM)
- regp->csctrl_reg.cs_br7 = CFG_BR7_PRELIM;
- regp->csctrl_reg.cs_or7 = CFG_OR7_PRELIM;
+ csctrl->cs_br7 = CFG_BR7_PRELIM;
+ csctrl->cs_or7 = CFG_OR7_PRELIM;
#endif
-#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
+#endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
/* enable instruction cache now */
icache_enable();
@@ -159,14 +222,30 @@ void cpu_init_f (void)
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
-#endif /* #if defined(CONFIG_M5272) */
+void uart_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-#ifdef CONFIG_M5282
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
+ gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
+ break;
+ case 1:
+ gpio->gpio_pdcnt &= ~(GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK);
+ gpio->gpio_pdcnt |= (GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD);
+ break;
+ }
+}
+#endif /* #if defined(CONFIG_M5272) */
+
+#if defined(CONFIG_M5282)
/*
* Breath some life into the CPU...
*
@@ -174,7 +253,7 @@ int cpu_init_r (void)
* initialize a bunch of registers,
* initialize the UPM's
*/
-void cpu_init_f (void)
+void cpu_init_f(void)
{
#ifndef CONFIG_WATCHDOG
/* disable watchdog if we aren't using it */
@@ -183,7 +262,11 @@ void cpu_init_f (void)
#ifndef CONFIG_MONITOR_IS_IN_RAM
/* Set speed /PLL */
- MCFCLOCK_SYNCR = MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+ MCFCLOCK_SYNCR =
+ MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD);
+ while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
+
+ MCFGPIO_PBCDPAR = 0xc0;
/* Set up the GPIO ports */
#ifdef CFG_PEPAR
@@ -228,29 +311,28 @@ void cpu_init_f (void)
defined(CFG_CS0_WIDTH) & defined(CFG_CS0_RO) & \
defined(CFG_CS0_WS)
- MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF;
-
- #if (CFG_CS0_WIDTH == 8)
- #define CFG_CS0_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS0_WIDTH == 16)
- #define CFG_CS0_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS0_WIDTH == 32)
- #define CFG_CS0_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS0_WIDTH: Fault - wrong bus with for CS0"
- #endif
- MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS)
- |CFG_CS0_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS0_RO != 0)
- MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)
- |MCFCSM_CSMR_WP|MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)|MCFCSM_CSMR_V;
- #endif
+ MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF;
+
+#if (CFG_CS0_WIDTH == 8)
+#define CFG_CS0_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS0_WIDTH == 16)
+#define CFG_CS0_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS0_WIDTH == 32)
+#define CFG_CS0_PS MCFCSM_CSCR_PS_32
+#else
+#error "CFG_CS0_WIDTH: Fault - wrong bus with for CS0"
+#endif
+ MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS)
+ | CFG_CS0_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS0_RO != 0)
+ MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
#else
- #waring "Chip Select 0 are not initialized/used"
+ MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE - 1) | MCFCSM_CSMR_V;
+#endif
+#else
+#waring "Chip Select 0 are not initialized/used"
#endif
#if defined(CFG_CS1_BASE) & defined(CFG_CS1_SIZE) & \
@@ -259,29 +341,27 @@ void cpu_init_f (void)
MCFCSM_CSAR1 = (CFG_CS1_BASE >> 16) & 0xFFFF;
- #if (CFG_CS1_WIDTH == 8)
- #define CFG_CS1_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS1_WIDTH == 16)
- #define CFG_CS1_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS1_WIDTH == 32)
- #define CFG_CS1_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS1_WIDTH: Fault - wrong bus with for CS1"
- #endif
- MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS)
- |CFG_CS1_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS1_RO != 0)
- MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1)
- |MCFCSM_CSMR_WP
- |MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1)
- |MCFCSM_CSMR_V;
- #endif
+#if (CFG_CS1_WIDTH == 8)
+#define CFG_CS1_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS1_WIDTH == 16)
+#define CFG_CS1_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS1_WIDTH == 32)
+#define CFG_CS1_PS MCFCSM_CSCR_PS_32
+#else
+#error "CFG_CS1_WIDTH: Fault - wrong bus with for CS1"
+#endif
+ MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS)
+ | CFG_CS1_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS1_RO != 0)
+ MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+ MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE - 1)
+ | MCFCSM_CSMR_V;
+#endif
#else
- #warning "Chip Select 1 are not initialized/used"
+#warning "Chip Select 1 are not initialized/used"
#endif
#if defined(CFG_CS2_BASE) & defined(CFG_CS2_SIZE) & \
@@ -290,29 +370,27 @@ void cpu_init_f (void)
MCFCSM_CSAR2 = (CFG_CS2_BASE >> 16) & 0xFFFF;
- #if (CFG_CS2_WIDTH == 8)
- #define CFG_CS2_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS2_WIDTH == 16)
- #define CFG_CS2_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS2_WIDTH == 32)
- #define CFG_CS2_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS2_WIDTH: Fault - wrong bus with for CS2"
- #endif
- MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS)
- |CFG_CS2_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS2_RO != 0)
- MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1)
- |MCFCSM_CSMR_WP
- |MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1)
- |MCFCSM_CSMR_V;
- #endif
+#if (CFG_CS2_WIDTH == 8)
+#define CFG_CS2_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS2_WIDTH == 16)
+#define CFG_CS2_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS2_WIDTH == 32)
+#define CFG_CS2_PS MCFCSM_CSCR_PS_32
#else
- #warning "Chip Select 2 are not initialized/used"
+#error "CFG_CS2_WIDTH: Fault - wrong bus with for CS2"
+#endif
+ MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS)
+ | CFG_CS2_PS | MCFCSM_CSCR_AA;
+
+#if (CFG_CS2_RO != 0)
+ MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+ MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE - 1)
+ | MCFCSM_CSMR_V;
+#endif
+#else
+#warning "Chip Select 2 are not initialized/used"
#endif
#if defined(CFG_CS3_BASE) & defined(CFG_CS3_SIZE) & \
@@ -321,32 +399,30 @@ void cpu_init_f (void)
MCFCSM_CSAR3 = (CFG_CS3_BASE >> 16) & 0xFFFF;
- #if (CFG_CS3_WIDTH == 8)
- #define CFG_CS3_PS MCFCSM_CSCR_PS_8
- #elif (CFG_CS3_WIDTH == 16)
- #define CFG_CS3_PS MCFCSM_CSCR_PS_16
- #elif (CFG_CS3_WIDTH == 32)
- #define CFG_CS3_PS MCFCSM_CSCR_PS_32
- #else
- #error "CFG_CS3_WIDTH: Fault - wrong bus with for CS1"
- #endif
- MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS)
- |CFG_CS3_PS
- |MCFCSM_CSCR_AA;
-
- #if (CFG_CS3_RO != 0)
- MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1)
- |MCFCSM_CSMR_WP
- |MCFCSM_CSMR_V;
- #else
- MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1)
- |MCFCSM_CSMR_V;
- #endif
+#if (CFG_CS3_WIDTH == 8)
+#define CFG_CS3_PS MCFCSM_CSCR_PS_8
+#elif (CFG_CS3_WIDTH == 16)
+#define CFG_CS3_PS MCFCSM_CSCR_PS_16
+#elif (CFG_CS3_WIDTH == 32)
+#define CFG_CS3_PS MCFCSM_CSCR_PS_32
#else
- #warning "Chip Select 3 are not initialized/used"
+#error "CFG_CS3_WIDTH: Fault - wrong bus with for CS1"
#endif
+ MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS)
+ | CFG_CS3_PS | MCFCSM_CSCR_AA;
-#endif /* CONFIG_MONITOR_IS_IN_RAM */
+#if (CFG_CS3_RO != 0)
+ MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1)
+ | MCFCSM_CSMR_WP | MCFCSM_CSMR_V;
+#else
+ MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE - 1)
+ | MCFCSM_CSMR_V;
+#endif
+#else
+#warning "Chip Select 3 are not initialized/used"
+#endif
+
+#endif /* CONFIG_MONITOR_IS_IN_RAM */
/* defer enabling cache until boot (see do_go) */
/* icache_enable(); */
@@ -355,10 +431,29 @@ void cpu_init_f (void)
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ MCFGPIO_PUAPAR &= 0xFc;
+ MCFGPIO_PUAPAR |= 0x03;
+ break;
+ case 1:
+ MCFGPIO_PUAPAR &= 0xF3;
+ MCFGPIO_PUAPAR |= 0x0C;
+ break;
+ case 2:
+ MCFGPIO_PASPAR &= 0xFF0F;
+ MCFGPIO_PASPAR |= 0x00A0;
+ break;
+ }
+}
#endif
#if defined(CONFIG_M5249)
@@ -369,33 +464,13 @@ int cpu_init_r (void)
* initialize a bunch of registers,
* initialize the UPM's
*/
-void cpu_init_f (void)
+void cpu_init_f(void)
{
-#ifndef CFG_PLL_BYPASS
- /*
- * Setup the PLL to run at the specified speed
- *
- */
- volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
- unsigned long pllcr;
-#ifdef CFG_FAST_CLK
- pllcr = 0x925a3100; /* ~140MHz clock (PLL bypass = 0) */
-#else
- pllcr = 0x135a4140; /* ~72MHz clock (PLL bypass = 0) */
-#endif
- cpll = cpll & 0xfffffffe; /* Set PLL bypass mode = 0 (PSTCLK = crystal) */
- mbar2_writeLong(MCFSIM_PLLCR, cpll); /* Set the PLL to bypass mode (PSTCLK = crystal) */
- mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* set the clock speed */
- pllcr ^= 0x00000001; /* Set pll bypass to 1 */
- mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* Start locking (pll bypass = 1) */
- udelay(0x20); /* Wait for a lock ... */
-#endif /* #ifndef CFG_PLL_BYPASS */
-
/*
* NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins
- * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
- * which is their primary function.
- * ~Jeremy
+ * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
+ * which is their primary function.
+ * ~Jeremy
*/
mbar2_writeLong(MCFSIM_GPIO_FUNC, CFG_GPIO_FUNC);
mbar2_writeLong(MCFSIM_GPIO1_FUNC, CFG_GPIO1_FUNC);
@@ -411,7 +486,7 @@ void cpu_init_f (void)
* ~Jeremy
*
*/
- mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
+ mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
mbar_writeByte(MCFSIM_SYPCR, 0x00);
mbar_writeByte(MCFSIM_SWIVR, 0x0f);
mbar_writeByte(MCFSIM_SWSR, 0x00);
@@ -431,7 +506,7 @@ void cpu_init_f (void)
mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
- mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
+ mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
/* Setup interrupt priorities for gpio7 */
/* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */
@@ -459,8 +534,19 @@ void cpu_init_f (void)
/*
* initialize higher level parts of CPU like timers
*/
-int cpu_init_r (void)
+int cpu_init_r(void)
{
return (0);
}
-#endif /* #if defined(CONFIG_M5249) */
+
+void uart_port_conf(void)
+{
+ /* Setup Ports: */
+ switch (CFG_UART_PORT) {
+ case 0:
+ break;
+ case 1:
+ break;
+ }
+}
+#endif /* #if defined(CONFIG_M5249) */
diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c
deleted file mode 100644
index b6540b5..0000000
--- a/cpu/mcf52x2/fec.c
+++ /dev/null
@@ -1,605 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * 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 <common.h>
-#include <malloc.h>
-#include <asm/fec.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#include <net.h>
-#include <command.h>
-
-#ifdef CONFIG_M5272
-#define FEC_ADDR (CFG_MBAR + 0x840)
-#endif
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
-#define FEC_ADDR (CFG_MBAR + 0x1000)
-#endif
-
-#undef ET_DEBUG
-#undef MII_DEBUG
-
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET)
-
-#ifdef CFG_DISCOVER_PHY
-#include <miiphy.h>
-static void mii_discover_phy (void);
-#endif
-
-/* Ethernet Transmit and Receive Buffers */
-#define DBUF_LENGTH 1520
-
-#define TX_BUF_CNT 2
-
-#define TOUT_LOOP 100
-
-#define PKT_MAXBUF_SIZE 1518
-#define PKT_MINBUF_SIZE 64
-#define PKT_MAXBLR_SIZE 1520
-
-
-static char txbuf[DBUF_LENGTH];
-
-static uint rxIdx; /* index of the current RX buffer */
-static uint txIdx; /* index of the current TX buffer */
-
-/*
- * FEC Ethernet Tx and Rx buffer descriptors allocated at the
- * immr->udata_bd address on Dual-Port RAM
- * Provide for Double Buffering
- */
-
-typedef volatile struct CommonBufferDescriptor {
- cbd_t rxbd[PKTBUFSRX]; /* Rx BD */
- cbd_t txbd[TX_BUF_CNT]; /* Tx BD */
-} RTXBD;
-
-static RTXBD *rtx = NULL;
-
-int eth_send (volatile void *packet, int length)
-{
- int j, rc;
- volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
- /* section 16.9.23.3
- * Wait for ready
- */
- j = 0;
- while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
- && (j < TOUT_LOOP)) {
- udelay (1);
- j++;
- }
- if (j >= TOUT_LOOP) {
- printf ("TX not ready\n");
- }
-
- rtx->txbd[txIdx].cbd_bufaddr = (uint) packet;
- rtx->txbd[txIdx].cbd_datlen = length;
- rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST;
-
- /* Activate transmit Buffer Descriptor polling */
- fecp->fec_x_des_active = 0x01000000; /* Descriptor polling active */
-
- j = 0;
- while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
- && (j < TOUT_LOOP)) {
- udelay (1);
- j++;
- }
- if (j >= TOUT_LOOP) {
- printf ("TX timeout\n");
- }
-#ifdef ET_DEBUG
- printf ("%s[%d] %s: cycles: %d status: %x retry cnt: %d\n",
- __FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc,
- (rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2);
-#endif
-
- /* return only status bits */ ;
- rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS);
-
- txIdx = (txIdx + 1) % TX_BUF_CNT;
-
- return rc;
-}
-
-int eth_rx (void)
-{
- int length;
- volatile fec_t *fecp = (fec_t *) FEC_ADDR;
-
- for (;;) {
- /* section 16.9.23.2 */
- if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
- length = -1;
- break; /* nothing received - leave for() loop */
- }
-
- length = rtx->rxbd[rxIdx].cbd_datlen;
-
- if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
-#ifdef ET_DEBUG
- printf ("%s[%d] err: %x\n",
- __FUNCTION__, __LINE__,
- rtx->rxbd[rxIdx].cbd_sc);
-#endif
- } else {
- /* Pass the packet up to the protocol layers. */
- NetReceive (NetRxPackets[rxIdx], length - 4);
- }
-
- /* Give the buffer back to the FEC. */
- rtx->rxbd[rxIdx].cbd_datlen = 0;
-
- /* wrap around buffer index when necessary */
- if ((rxIdx + 1) >= PKTBUFSRX) {
- rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
- (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
- rxIdx = 0;
- } else {
- rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
- rxIdx++;
- }
-
- /* Try to fill Buffer Descriptors */
- fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */
- }
-
- return length;
-}
-
-/**************************************************************
- *
- * FEC Ethernet Initialization Routine
- *
- *************************************************************/
-#define FEC_ECNTRL_ETHER_EN 0x00000002
-#define FEC_ECNTRL_RESET 0x00000001
-
-#define FEC_RCNTRL_BC_REJ 0x00000010
-#define FEC_RCNTRL_PROM 0x00000008
-#define FEC_RCNTRL_MII_MODE 0x00000004
-#define FEC_RCNTRL_DRT 0x00000002
-#define FEC_RCNTRL_LOOP 0x00000001
-
-#define FEC_TCNTRL_FDEN 0x00000004
-#define FEC_TCNTRL_HBC 0x00000002
-#define FEC_TCNTRL_GTS 0x00000001
-
-#define FEC_RESET_DELAY 50000
-
-int eth_init (bd_t * bd)
-{
-#ifndef CFG_ENET_BD_BASE
- DECLARE_GLOBAL_DATA_PTR;
-#endif
- int i;
- volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
- /* Whack a reset.
- * A delay is required between a reset of the FEC block and
- * initialization of other FEC registers because the reset takes
- * some time to complete. If you don't delay, subsequent writes
- * to FEC registers might get killed by the reset routine which is
- * still in progress.
- */
- fecp->fec_ecntrl = FEC_ECNTRL_RESET;
- for (i = 0;
- (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
- ++i) {
- udelay (1);
- }
- if (i == FEC_RESET_DELAY) {
- printf ("FEC_RESET_DELAY timeout\n");
- return 0;
- }
-
- /* We use strictly polling mode only
- */
- fecp->fec_imask = 0;
-
- /* Clear any pending interrupt */
- fecp->fec_ievent = 0xffffffff;
-
- /* Set station address */
-#define ea bd->bi_enetaddr
- fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) |
- (ea[2] << 8) | (ea[3]);
- fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16);
-#ifdef ET_DEBUG
- printf ("Eth Addrs: %02x:%02x:%02x:%02x:%02x:%02x\n",
- ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]);
-#endif
-#undef ea
-
-#ifdef CONFIG_M5271
- /* Clear multicast address hash table
- */
- fecp->fec_ghash_table_high = 0;
- fecp->fec_ghash_table_low = 0;
-
- /* Clear individual address hash table
- */
- fecp->fec_ihash_table_high = 0;
- fecp->fec_ihash_table_low = 0;
-#else
- /* Clear multicast address hash table
- */
-#ifdef CONFIG_M5282
- fecp->fec_ihash_table_high = 0;
- fecp->fec_ihash_table_low = 0;
-#else
- fecp->fec_hash_table_high = 0;
- fecp->fec_hash_table_low = 0;
-#endif
-#endif
-
- /* Set maximum receive buffer size.
- */
- fecp->fec_r_buff_size = PKT_MAXBLR_SIZE;
-
- /*
- * Setup Buffers and Buffer Desriptors
- */
- rxIdx = 0;
- txIdx = 0;
-
- if (!rtx) {
-#ifdef CFG_ENET_BD_BASE
- rtx = (RTXBD *) CFG_ENET_BD_BASE;
-#else
- rtx = (RTXBD *) (CFG_MONITOR_BASE+gd->reloc_off -
- (((PKTBUFSRX+TX_BUF_CNT)*+sizeof(cbd_t)
- +0xFF)
- & ~0xFF)
- );
- debug("set ENET_DB_BASE to %lX\n",(long) rtx);
-#endif
- }
-
- /*
- * Setup Receiver Buffer Descriptors (13.14.24.18)
- * Settings:
- * Empty, Wrap
- */
- for (i = 0; i < PKTBUFSRX; i++) {
- rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
- rtx->rxbd[i].cbd_datlen = 0; /* Reset */
- rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
- }
- rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
-
- /*
- * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
- * Settings:
- * Last, Tx CRC
- */
- for (i = 0; i < TX_BUF_CNT; i++) {
- rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC;
- rtx->txbd[i].cbd_datlen = 0; /* Reset */
- rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
- }
- rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
-
- /* Set receive and transmit descriptor base
- */
- fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]);
- fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]);
-
- /* Enable MII mode
- */
-
-#if 0 /* Full duplex mode */
- fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE;
- fecp->fec_x_cntrl = FEC_TCNTRL_FDEN;
-#else /* Half duplex mode */
- fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16); /* set max frame length */
- fecp->fec_r_cntrl |= FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT;
- fecp->fec_x_cntrl = 0;
-#endif
- /* Set MII speed */
- fecp->fec_mii_speed = (((CFG_CLK / 2) / (2500000 / 10)) + 5) / 10;
- fecp->fec_mii_speed *= 2;
-
- /* Configure port B for MII.
- */
- /* port initialization was already made in cpu_init_f() */
-
- /* Now enable the transmit and receive processing
- */
- fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
-#ifdef CFG_DISCOVER_PHY
- /* wait for the PHY to wake up after reset */
- mii_discover_phy ();
-#endif
-
- /* And last, try to fill Rx Buffer Descriptors */
- fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */
-
- return 1;
-}
-
-void eth_halt (void)
-{
- volatile fec_t *fecp = (fec_t *) FEC_ADDR;
-
- fecp->fec_ecntrl = 0;
-}
-
-
-#if defined(CFG_DISCOVER_PHY) || (CONFIG_COMMANDS & CFG_CMD_MII)
-
-static int phyaddr = -1; /* didn't find a PHY yet */
-static uint phytype;
-
-/* Make MII read/write commands for the FEC.
-*/
-
-#define mk_mii_read(ADDR, REG) (0x60020000 | ((ADDR << 23) | \
- (REG & 0x1f) << 18))
-
-#define mk_mii_write(ADDR, REG, VAL) (0x50020000 | ((ADDR << 23) | \
- (REG & 0x1f) << 18) | \
- (VAL & 0xffff))
-
-/* Interrupt events/masks.
-*/
-#define FEC_ENET_HBERR ((uint)0x80000000) /* Heartbeat error */
-#define FEC_ENET_BABR ((uint)0x40000000) /* Babbling receiver */
-#define FEC_ENET_BABT ((uint)0x20000000) /* Babbling transmitter */
-#define FEC_ENET_GRA ((uint)0x10000000) /* Graceful stop complete */
-#define FEC_ENET_TXF ((uint)0x08000000) /* Full frame transmitted */
-#define FEC_ENET_TXB ((uint)0x04000000) /* A buffer was transmitted */
-#define FEC_ENET_RXF ((uint)0x02000000) /* Full frame received */
-#define FEC_ENET_RXB ((uint)0x01000000) /* A buffer was received */
-#define FEC_ENET_MII ((uint)0x00800000) /* MII interrupt */
-#define FEC_ENET_EBERR ((uint)0x00400000) /* SDMA bus error */
-
-/* PHY identification
- */
-#define PHY_ID_LXT970 0x78100000 /* LXT970 */
-#define PHY_ID_LXT971 0x001378e0 /* LXT971 and 972 */
-#define PHY_ID_82555 0x02a80150 /* Intel 82555 */
-#define PHY_ID_QS6612 0x01814400 /* QS6612 */
-#define PHY_ID_AMD79C784 0x00225610 /* AMD 79C784 */
-#define PHY_ID_LSI80225 0x0016f870 /* LSI 80225 */
-#define PHY_ID_LSI80225B 0x0016f880 /* LSI 80225/B */
-
-/* send command to phy using mii, wait for result */
-static uint mii_send (uint mii_cmd)
-{
- uint mii_reply;
- volatile fec_t *ep = (fec_t *) (FEC_ADDR);
-
- ep->fec_mii_data = mii_cmd; /* command to phy */
-
- /* wait for mii complete */
- while (!(ep->fec_ievent & FEC_ENET_MII)); /* spin until done */
- mii_reply = ep->fec_mii_data; /* result from phy */
- ep->fec_ievent = FEC_ENET_MII; /* clear MII complete */
-#ifdef ET_DEBUG
- printf ("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n",
- __FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply);
-#endif
- return (mii_reply & 0xffff); /* data read from phy */
-}
-#endif /* CFG_DISCOVER_PHY || (CONFIG_COMMANDS & CFG_CMD_MII) */
-
-#if defined(CFG_DISCOVER_PHY)
-static void mii_discover_phy (void)
-{
-#define MAX_PHY_PASSES 11
- uint phyno;
- int pass;
-
- phyaddr = -1; /* didn't find a PHY yet */
- for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) {
- if (pass > 1) {
- /* PHY may need more time to recover from reset.
- * The LXT970 needs 50ms typical, no maximum is
- * specified, so wait 10ms before try again.
- * With 11 passes this gives it 100ms to wake up.
- */
- udelay (10000); /* wait 10ms */
- }
- for (phyno = 1; phyno < 32 && phyaddr < 0; ++phyno) {
- phytype = mii_send (mk_mii_read (phyno, PHY_PHYIDR1));
-#ifdef ET_DEBUG
- printf ("PHY type 0x%x pass %d type ", phytype, pass);
-#endif
- if (phytype != 0xffff) {
- phyaddr = phyno;
- phytype <<= 16;
- phytype |= mii_send (mk_mii_read (phyno,
- PHY_PHYIDR2));
-
-#ifdef ET_DEBUG
- printf ("PHY @ 0x%x pass %d type ", phyno,
- pass);
- switch (phytype & 0xfffffff0) {
- case PHY_ID_LXT970:
- printf ("LXT970\n");
- break;
- case PHY_ID_LXT971:
- printf ("LXT971\n");
- break;
- case PHY_ID_82555:
- printf ("82555\n");
- break;
- case PHY_ID_QS6612:
- printf ("QS6612\n");
- break;
- case PHY_ID_AMD79C784:
- printf ("AMD79C784\n");
- break;
- case PHY_ID_LSI80225B:
- printf ("LSI L80225/B\n");
- break;
- default:
- printf ("0x%08x\n", phytype);
- break;
- }
-#endif
- }
- }
- }
- if (phyaddr < 0) {
- printf ("No PHY device found.\n");
- }
-}
-#endif /* CFG_DISCOVER_PHY */
-
-#if (CONFIG_COMMANDS & CFG_CMD_MII) && !defined(CONFIG_BITBANGMII)
-
-static int mii_init_done = 0;
-
-/****************************************************************************
- * mii_init -- Initialize the MII for MII command without ethernet
- * This function is a subset of eth_init
- ****************************************************************************
- */
-void mii_init (void)
-{
- volatile fec_t *fecp = (fec_t *) (FEC_ADDR);
-
- int i;
-
- if (mii_init_done != 0) {
- return;
- }
-
- /* Whack a reset.
- * A delay is required between a reset of the FEC block and
- * initialization of other FEC registers because the reset takes
- * some time to complete. If you don't delay, subsequent writes
- * to FEC registers might get killed by the reset routine which is
- * still in progress.
- */
-
- fecp->fec_ecntrl = FEC_ECNTRL_RESET;
- for (i = 0;
- (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
- ++i) {
- udelay (1);
- }
- if (i == FEC_RESET_DELAY) {
- printf ("FEC_RESET_DELAY timeout\n");
- return;
- }
-
- /* We use strictly polling mode only
- */
- fecp->fec_imask = 0;
-
- /* Clear any pending interrupt
- */
- fecp->fec_ievent = 0xffffffff;
-
- /* Set MII speed */
- fecp->fec_mii_speed = 0x0e;
-
- /* Configure port B for MII.
- */
- /* port initialization was already made in cpu_init_f() */
-
- /* Now enable the transmit and receive processing */
- fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
- mii_init_done = 1;
-}
-
-/*****************************************************************************
- * Read and write a MII PHY register, routines used by MII Utilities
- *
- * FIXME: These routines are expected to return 0 on success, but mii_send
- * does _not_ return an error code. Maybe 0xFFFF means error, i.e.
- * no PHY connected...
- * For now always return 0.
- * FIXME: These routines only work after calling eth_init() at least once!
- * Otherwise they hang in mii_send() !!! Sorry!
- *****************************************************************************/
-
-int mcf52x2_miiphy_read (char *devname, unsigned char addr,
- unsigned char reg, unsigned short *value)
-{
- short rdreg; /* register working value */
-
-#ifdef MII_DEBUG
- printf ("miiphy_read(0x%x) @ 0x%x = ", reg, addr);
-#endif
- rdreg = mii_send (mk_mii_read (addr, reg));
-
- *value = rdreg;
-
-#ifdef MII_DEBUG
- printf ("0x%04x\n", *value);
-#endif
-
- return 0;
-}
-
-int mcf52x2_miiphy_write (char *devname, unsigned char addr,
- unsigned char reg, unsigned short value)
-{
- short rdreg; /* register working value */
-
-#ifdef MII_DEBUG
- printf ("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
-#endif
-
- rdreg = mii_send (mk_mii_write (addr, reg, value));
-
-#ifdef MII_DEBUG
- printf ("0x%04x\n", value);
-#endif
-
- 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/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c
index 116747a..2ccbde5 100644
--- a/cpu/mcf52x2/interrupts.c
+++ b/cpu/mcf52x2/interrupts.c
@@ -1,9 +1,10 @@
/*
- * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
- *
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -26,168 +27,75 @@
#include <common.h>
#include <watchdog.h>
#include <asm/processor.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#include <asm/immap_5271.h>
-#endif
+#include <asm/immap.h>
#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#include <asm/immap_5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#include <asm/immap_5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-
-#define NR_IRQS 31
-
-/*
- * Interrupt vector functions.
- */
-struct interrupt_action {
- interrupt_handler_t *handler;
- void *arg;
-};
-
-static struct interrupt_action irq_vecs[NR_IRQS];
-
-static __inline__ unsigned short get_sr (void)
+int interrupt_init(void)
{
- unsigned short sr;
-
- asm volatile ("move.w %%sr,%0":"=r" (sr):);
+ volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
- return sr;
-}
-
-static __inline__ void set_sr (unsigned short sr)
-{
- asm volatile ("move.w %0,%%sr"::"r" (sr));
-}
-
-/************************************************************************/
-/*
- * Install and free an interrupt handler
- */
-void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
-{
-#ifdef CONFIG_M5272
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
- int vec_base = 0;
-
-#ifdef CONFIG_M5272
- vec_base = intp->int_pivr & 0xe0;
-#endif
-
- if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) {
- printf ("irq_install_handler: wrong interrupt vector %d\n",
- vec);
- return;
- }
-
- irq_vecs[vec - vec_base].handler = handler;
- irq_vecs[vec - vec_base].arg = arg;
-}
-
-void irq_free_handler (int vec)
-{
-#ifdef CONFIG_M5272
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
- int vec_base = 0;
-
-#ifdef CONFIG_M5272
- vec_base = intp->int_pivr & 0xe0;
-#endif
+ /* disable all external interrupts */
+ intp->int_icr1 = 0x88888888;
+ intp->int_icr2 = 0x88888888;
+ intp->int_icr3 = 0x88888888;
+ intp->int_icr4 = 0x88888888;
+ intp->int_pitr = 0x00000000;
+ /* initialize vector register */
+ intp->int_pivr = 0x40;
- if ((vec < vec_base) || (vec > vec_base + NR_IRQS)) {
- return;
- }
+ enable_interrupts();
- irq_vecs[vec - vec_base].handler = NULL;
- irq_vecs[vec - vec_base].arg = NULL;
+ return 0;
}
-void enable_interrupts (void)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
{
- unsigned short sr;
+ volatile intctrl_t *intp = (intctrl_t *) (CFG_INTR_BASE);
- sr = get_sr ();
- set_sr (sr & ~0x0700);
+ intp->int_icr1 &= ~INT_ICR1_TMR3MASK;
+ intp->int_icr1 |= CFG_TMRINTR_PRI;
}
+#endif /* CONFIG_MCFTMR */
+#endif /* CONFIG_M5272 */
-int disable_interrupts (void)
+#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
+int interrupt_init(void)
{
- unsigned short sr;
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
- sr = get_sr ();
- set_sr (sr | 0x0700);
+ /* Make sure all interrupts are disabled */
+ intp->imrl0 |= 0x1;
- return ((sr & 0x0700) == 0); /* return TRUE, if interrupts were enabled before */
+ enable_interrupts();
+ return 0;
}
-void int_handler (struct pt_regs *fp)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
{
-#ifdef CONFIG_M5272
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-#endif
- int vec, vec_base = 0;
-
- vec = (fp->vector >> 2) & 0xff;
-#ifdef CONFIG_M5272
- vec_base = intp->int_pivr & 0xe0;
-#endif
+ volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
- if (irq_vecs[vec - vec_base].handler != NULL) {
- irq_vecs[vec -
- vec_base].handler (irq_vecs[vec - vec_base].arg);
- } else {
- printf ("\nBogus External Interrupt Vector %d\n", vec);
- }
+ intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
+ intp->imrl0 &= ~0xFFFFFFFE;
+ intp->imrl0 &= ~CFG_TMRINTR_MASK;
}
+#endif /* CONFIG_MCFTMR */
+#endif /* CONFIG_M5282 | CONFIG_M5271 */
-
-#ifdef CONFIG_M5272
-int interrupt_init (void)
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+int interrupt_init(void)
{
- volatile intctrl_t *intp = (intctrl_t *) (CFG_MBAR + MCFSIM_ICR1);
-
- /* disable all external interrupts */
- intp->int_icr1 = 0x88888888;
- intp->int_icr2 = 0x88888888;
- intp->int_icr3 = 0x88888888;
- intp->int_icr4 = 0x88888888;
- intp->int_pitr = 0x00000000;
- /* initialize vector register */
- intp->int_pivr = 0x40;
+ enable_interrupts();
- enable_interrupts ();
-
- return 0;
-}
-#endif
-
-#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
-int interrupt_init (void)
-{
return 0;
}
-#endif
-#ifdef CONFIG_M5249
-int interrupt_init (void)
+#if defined(CONFIG_MCFTMR)
+void dtimer_intr_setup(void)
{
- enable_interrupts ();
-
- return 0;
+ mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
+ mbar_writeByte(MCFSIM_TIMER2ICR, CFG_TMRINTR_PRI);
}
-#endif
+#endif /* CONFIG_MCFTMR */
+#endif /* CONFIG_M5249 || CONFIG_M5253 */
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
deleted file mode 100644
index 8be09e3..0000000
--- a/cpu/mcf52x2/serial.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * 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 <common.h>
-#include <command.h>
-#include <watchdog.h>
-
-#include <asm/mcfuart.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_M5249) || defined(CONFIG_M5271)
-#define DoubleClock(a) ((double)(CFG_CLK/2) / 32.0 / (double)(a))
-#else
-#define DoubleClock(a) ((double)(CFG_CLK) / 32.0 / (double)(a))
-#endif
-
-void rs_serial_setbaudrate(int port,int baudrate)
-{
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271)
- volatile unsigned char *uartp;
-# ifndef CONFIG_M5271
- double fraction;
-# endif
- double clock;
-
- if (port == 0)
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- else
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
-
- clock = DoubleClock(baudrate); /* Set baud above */
-
- uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */
- uartp[MCFUART_UBG2] = ((int)clock & 0xff); /* set lsb baud */
-
-# ifndef CONFIG_M5271
- fraction = ((clock - (int)clock) * 16.0) + 0.5;
- uartp[MCFUART_UFPD] = ((int)fraction & 0xf); /* set baud fraction adjust */
-# endif
-#endif
-
-#if defined(CONFIG_M5282)
- volatile unsigned char *uartp;
- long clock;
-
- switch (port) {
- case 1:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
- break;
- case 2:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
- break;
- default:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- }
-
- clock = (long) CFG_CLK / ((long) 32 * baudrate); /* Set baud above */
-
- uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */
- uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */
-
-#endif
-};
-
-void rs_serial_init (int port, int baudrate)
-{
- volatile unsigned char *uartp;
-
- /*
- * Reset UART, get it into known state...
- */
- switch (port) {
- case 1:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
- break;
-#if defined(CONFIG_M5282)
- case 2:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
- break;
-#endif
- default:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- }
-
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */
-
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR; /* reset Error pointer */
-
- /*
- * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity.
- */
- uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8;
- uartp[MCFUART_UMR] = MCFUART_MR2_STOP1;
-
- /* Mask UART interrupts */
- uartp[MCFUART_UIMR] = 0;
-
- /* Set clock Select Register: Tx/Rx clock is timer */
- uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
-
- rs_serial_setbaudrate (port, baudrate);
-
- /* Enable Tx/Rx */
- uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
-
- return;
-}
-
-/****************************************************************************/
-/*
- * Output a single character, using UART polled mode.
- * This is used for console output.
- */
-
-void rs_put_char(char ch)
-{
- volatile unsigned char *uartp;
- int i;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-
- for (i = 0; (i < 0x10000); i++) {
- if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY)
- break;
- }
- uartp[MCFUART_UTB] = ch;
- return;
-}
-
-int rs_is_char(void)
-{
- volatile unsigned char *uartp;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- return((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0);
-}
-
-int rs_get_char(void)
-{
- volatile unsigned char *uartp;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- return(uartp[MCFUART_URB]);
-}
-
-void serial_setbrg(void) {
- rs_serial_setbaudrate(0,gd->bd->bi_baudrate);
-}
-
-int serial_init(void) {
- rs_serial_init(0,gd->baudrate);
- return 0;
-}
-
-
-void serial_putc(const char c) {
- if (c == '\n')
- serial_putc ('\r');
- rs_put_char(c);
-}
-
-void serial_puts (const char *s) {
- while (*s)
- serial_putc(*s++);
-}
-
-int serial_getc(void) {
- while(!rs_is_char())
- WATCHDOG_RESET();
-
- return rs_get_char();
-}
-
-int serial_tstc() {
- return rs_is_char();
-}
diff --git a/cpu/mcf52x2/speed.c b/cpu/mcf52x2/speed.c
index ac860b2..bc1e200 100644
--- a/cpu/mcf52x2/speed.c
+++ b/cpu/mcf52x2/speed.c
@@ -2,6 +2,9 @@
* (C) Copyright 2003
* Josef Baumgartner <josef.baumgartner@telex.de>
*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Hayden Fraser (Hayden.Fraser@freescale.com)
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -23,6 +26,7 @@
#include <common.h>
#include <asm/processor.h>
+#include <asm/immap.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -31,8 +35,37 @@ DECLARE_GLOBAL_DATA_PTR;
*/
int get_clocks (void)
{
- gd->cpu_clk = CFG_CLK;
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+ volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR);
+ unsigned long pllcr;
+
+#ifndef CFG_PLL_BYPASS
+
#ifdef CONFIG_M5249
+ /* Setup the PLL to run at the specified speed */
+#ifdef CFG_FAST_CLK
+ pllcr = 0x925a3100; /* ~140MHz clock (PLL bypass = 0) */
+#else
+ pllcr = 0x135a4140; /* ~72MHz clock (PLL bypass = 0) */
+#endif
+#endif /* CONFIG_M5249 */
+
+#ifdef CONFIG_M5253
+ pllcr = CFG_PLLCR;
+#endif /* CONFIG_M5253 */
+
+ cpll = cpll & 0xfffffffe; /* Set PLL bypass mode = 0 (PSTCLK = crystal) */
+ mbar2_writeLong(MCFSIM_PLLCR, cpll); /* Set the PLL to bypass mode (PSTCLK = crystal) */
+ mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* set the clock speed */
+ pllcr ^= 0x00000001; /* Set pll bypass to 1 */
+ mbar2_writeLong(MCFSIM_PLLCR, pllcr); /* Start locking (pll bypass = 1) */
+ udelay(0x20); /* Wait for a lock ... */
+#endif /* #ifndef CFG_PLL_BYPASS */
+
+#endif /* CONFIG_M5249 || CONFIG_M5253 */
+
+ gd->cpu_clk = CFG_CLK;
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
gd->bus_clk = gd->cpu_clk / 2;
#else
gd->bus_clk = gd->cpu_clk;
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index 7c9a7d2..686e2a5 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -121,7 +121,7 @@ _start:
nop
move.w #0x2700,%sr
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249)
+#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253)
move.l #(CFG_MBAR + 1), %d0 /* set MBAR address + valid flag */
move.c %d0, %MBAR
@@ -133,7 +133,7 @@ _start:
move.l #(CFG_INIT_RAM_ADDR + 1), %d0
movec %d0, %RAMBAR0
-#endif /* #if defined(CONFIG_M5272) || defined(CONFIG_M5249) */
+#endif /* CONFIG_M5272 || CONFIG_M5249 || CONFIG_M5253 */
#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
/* Initialize IPSBAR */
@@ -159,7 +159,7 @@ _copy_flash:
_flashbar_setup:
/* Initialize FLASHBAR: locate internal Flash and validate it */
- move.l #(CFG_INT_FLASH_BASE + 0x21), %d0
+ move.l #(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0
movec %d0, %RAMBAR0
jmp _after_flashbar_copy.L /* Force jump to absolute address */
_flashbar_setup_end:
@@ -167,7 +167,7 @@ _flashbar_setup_end:
_after_flashbar_copy:
#else
/* Setup code to initialize FLASHBAR, if start from external Memory */
- move.l #(CFG_INT_FLASH_BASE + 0x21), %d0
+ move.l #(CFG_INT_FLASH_BASE + CFG_INT_FLASH_ENABLE), %d0
movec %d0, %RAMBAR0
#endif /* (TEXT_BASE == CFG_INT_FLASH_BASE) */
@@ -326,10 +326,10 @@ clear_bss:
/* set parameters for board_init_r */
move.l %a0,-(%sp) /* dest_addr */
move.l %d0,-(%sp) /* gd */
- #if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \
- defined(CFG_HALT_BEFOR_RAM_JUMP)
- halt
- #endif
+#if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \
+ defined(CFG_HALT_BEFOR_RAM_JUMP)
+ halt
+#endif
jsr (%a1)
/*------------------------------------------------------------------------------*/
@@ -356,6 +356,24 @@ _int_handler:
/*------------------------------------------------------------------------------*/
/* cache functions */
+#ifdef CONFIG_M5271
+ .globl icache_enable
+icache_enable:
+ move.l #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ move.l #(CFG_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */
+ movec %d0, %ACR0 /* Enable cache */
+
+ move.l #0x80000200, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ nop
+
+ move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ moveq #1, %d0
+ move.l %d0, (%a1)
+ rts
+#endif
+
#ifdef CONFIG_M5272
.globl icache_enable
icache_enable:
@@ -389,7 +407,7 @@ icache_state_access_1:
rts
#endif
-#ifdef CONFIG_M5249
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
.globl icache_enable
icache_enable:
/*
@@ -426,13 +444,29 @@ icache_state_access_2:
.globl icache_status
icache_status:
icache_state_access_3:
- move.l icache_state, %d0
+ move.l #(icache_state), %a0
+ move.l (%a0), %d0
rts
.data
icache_state:
.long 0 /* cache is diabled on inirialization */
+ .globl dcache_enable
+dcache_enable:
+ /* dummy function */
+ rts
+
+ .globl dcache_disable
+dcache_disable:
+ /* dummy function */
+ rts
+
+ .globl dcache_status
+dcache_status:
+ /* dummy function */
+ rts
+
/*------------------------------------------------------------------------------*/
.globl version_string
generated by cgit v1.1 at 2024-11-07 08:44:21 +0000