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-rw-r--r--cpu/mcf5445x/cpu_init.c45
-rw-r--r--cpu/mcf5445x/start.S123
2 files changed, 46 insertions, 122 deletions
diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c
index 48b37df..8d51d35 100644
--- a/cpu/mcf5445x/cpu_init.c
+++ b/cpu/mcf5445x/cpu_init.c
@@ -28,6 +28,7 @@
#include <common.h>
#include <watchdog.h>
#include <asm/immap.h>
+#include <asm/processor.h>
#include <asm/rtc.h>
#if defined(CONFIG_CMD_NET)
@@ -105,6 +106,14 @@ void cpu_init_f(void)
fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
#endif
+ /*
+ * now the flash base address is no longer at 0 (Newer ColdFire family
+ * boot at address 0 instead of 0xFFnn_nnnn). The vector table must
+ * also move to the new location.
+ */
+ if (CONFIG_SYS_CS0_BASE != 0)
+ setvbr(CONFIG_SYS_CS0_BASE);
+
#ifdef CONFIG_FSL_I2C
gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
#endif
@@ -128,19 +137,43 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
- gpio->par_uart =
+ gpio->par_uart &=
+ ~(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
+ gpio->par_uart |=
(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
break;
case 1:
- gpio->par_uart =
+#ifdef CONFIG_SYS_UART1_PRI_GPIO
+ gpio->par_uart &=
+ ~(GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
+ gpio->par_uart |=
(GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
+#elif defined(CONFIG_SYS_UART1_ALT1_GPIO)
+ gpio->par_ssi &=
+ (GPIO_PAR_SSI_SRXD_UNMASK | GPIO_PAR_SSI_STXD_UNMASK);
+ gpio->par_ssi |=
+ (GPIO_PAR_SSI_SRXD_U1RXD | GPIO_PAR_SSI_STXD_U1TXD);
+#endif
+ break;
+ case 2:
+#if defined(CONFIG_SYS_UART2_ALT1_GPIO)
+ gpio->par_timer &=
+ (GPIO_PAR_TIMER_T3IN_UNMASK | GPIO_PAR_TIMER_T2IN_UNMASK);
+ gpio->par_timer |=
+ (GPIO_PAR_TIMER_T3IN_U2RXD | GPIO_PAR_TIMER_T2IN_U2TXD);
+#elif defined(CONFIG_SYS_UART2_ALT2_GPIO)
+ gpio->par_timer &=
+ (GPIO_PAR_FECI2C_SCL_UNMASK | GPIO_PAR_FECI2C_SDA_UNMASK);
+ gpio->par_timer |=
+ (GPIO_PAR_FECI2C_SCL_U2TXD | GPIO_PAR_FECI2C_SDA_U2RXD);
+#endif
break;
}
}
@@ -164,9 +197,9 @@ int fecpin_setclear(struct eth_device *dev, int setclear)
~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
- gpio->par_fec &= GPIO_PAR_FEC_FEC0_MASK;
+ gpio->par_fec &= GPIO_PAR_FEC_FEC0_UNMASK;
else
- gpio->par_fec &= GPIO_PAR_FEC_FEC1_MASK;
+ gpio->par_fec &= GPIO_PAR_FEC_FEC1_UNMASK;
}
return 0;
}
diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S
index d2d4439..738e4a7 100644
--- a/cpu/mcf5445x/start.S
+++ b/cpu/mcf5445x/start.S
@@ -24,16 +24,12 @@
#include <config.h>
#include <timestamp.h>
#include "version.h"
+#include <asm/cache.h>
#ifndef CONFIG_IDENT_STRING
#define CONFIG_IDENT_STRING ""
#endif
-/* last three long word reserved for cache status */
-#define CACR_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-12)
-#define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END- 8)
-#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END- 4)
-
#define _START _start
#define _FAULT _fault
@@ -160,15 +156,13 @@ asm_dram_init:
/* initialize general use internal ram */
move.l #0, %d0
- move.l #(CACR_STATUS), %a1 /* CACR */
- move.l #(ICACHE_STATUS), %a2 /* icache */
- move.l #(DCACHE_STATUS), %a3 /* dcache */
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* dcache */
move.l %d0, (%a1)
move.l %d0, (%a2)
- move.l %d0, (%a3)
/* invalidate and disable cache */
- move.l #0x01004100, %d0 /* Invalidate cache cmd */
+ move.l #(CONFIG_SYS_ICACHE_INV + CONFIG_SYS_DCACHE_INV), %d0
movec %d0, %CACR /* Invalidate cache */
move.l #0, %d0
movec %d0, %ACR0
@@ -411,15 +405,13 @@ _start:
/* initialize general use internal ram */
move.l #0, %d0
- move.l #(CACR_STATUS), %a1 /* CACR */
- move.l #(ICACHE_STATUS), %a2 /* icache */
- move.l #(DCACHE_STATUS), %a3 /* dcache */
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* dcache */
move.l %d0, (%a1)
move.l %d0, (%a2)
- move.l %d0, (%a3)
/* invalidate and disable cache */
- move.l #0x01004100, %d0 /* Invalidate cache cmd */
+ move.l #(CONFIG_SYS_ICACHE_INV + CONFIG_SYS_DCACHE_INV), %d0
movec %d0, %CACR /* Invalidate cache */
move.l #0, %d0
movec %d0, %ACR0
@@ -544,107 +536,6 @@ _int_handler:
RESTORE_ALL
/*------------------------------------------------------------------------------*/
-/* cache functions */
- .globl icache_enable
-icache_enable:
- move.l #(CACR_STATUS), %a1 /* read CACR Status */
- move.l (%a1), %d1
-
- move.l #0x00040100, %d0 /* Invalidate icache */
- movec %d0, %CACR
-
- move.l #(CONFIG_SYS_SDRAM_BASE + 0xC000), %d0 /* Setup icache */
- movec %d0, %ACR2
-
- move.l #0x04088020, %d0 /* Enable bcache and icache */
- movec %d0, %CACR
-
- move.l #(ICACHE_STATUS), %a1
- moveq #1, %d0
- move.l %d0, (%a1)
- rts
-
- .globl icache_disable
-icache_disable:
- move.l #(CACR_STATUS), %a1 /* read CACR Status */
- move.l (%a1), %d0
-
- move.l #0xFFF77BFF, %d0
- or.l #0x00040100, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Invalidate icache */
- clr.l %d0
- movec %d0, %ACR2
- movec %d0, %ACR3
-
- move.l #(ICACHE_STATUS), %a1
- moveq #0, %d0
- move.l %d0, (%a1)
- rts
-
- .globl icache_status
-icache_status:
- move.l #(ICACHE_STATUS), %a1
- move.l (%a1), %d0
- rts
-
- .globl icache_invalid
-icache_invalid:
- move.l #(CACR_STATUS), %a1 /* read CACR Status */
- move.l (%a1), %d0
-
- move.l #0x00040100, %d0 /* Invalidate icache */
- movec %d0, %CACR /* Enable and invalidate cache */
- rts
-
- .globl dcache_enable
-dcache_enable:
- move.l #(CACR_STATUS), %a1 /* read CACR Status */
- move.l (%a1), %d1
-
- move.l #0x01040100, %d0
- movec %d0, %CACR /* Invalidate dcache */
-
- move.l #0x80088020, %d0 /* Enable bcache and icache */
- movec %d0, %CACR
-
- move.l #(DCACHE_STATUS), %a1
- moveq #1, %d0
- move.l %d0, (%a1)
- rts
-
- .globl dcache_disable
-dcache_disable:
- move.l #(CACR_STATUS), %a1 /* read CACR Status */
- move.l (%a1), %d0
-
- and.l #0x7FFFFFFF, %d0
- or.l #0x01000000, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Disable dcache */
- clr.l %d0
- movec %d0, %ACR0
- movec %d0, %ACR1
-
- move.l #(DCACHE_STATUS), %a1
- moveq #0, %d0
- move.l %d0, (%a1)
- rts
-
- .globl dcache_invalid
-dcache_invalid:
- move.l #(CACR_STATUS), %a1 /* read CACR Status */
- move.l (%a1), %d0
-
- move.l #0x81088020, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable and invalidate cache */
- rts
-
- .globl dcache_status
-dcache_status:
- move.l #(DCACHE_STATUS), %a1
- move.l (%a1), %d0
- rts
-
-/*------------------------------------------------------------------------------*/
.globl version_string
version_string:
generated by cgit v1.1 at 2024-11-28 23:59:20 +0000