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Diffstat (limited to 'cpu/mcf532x/start.S')
-rw-r--r--cpu/mcf532x/start.S72
1 files changed, 4 insertions, 68 deletions
diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S
index 5b134aa..a80b0a9 100644
--- a/cpu/mcf532x/start.S
+++ b/cpu/mcf532x/start.S
@@ -27,6 +27,7 @@
#include <config.h>
#include <timestamp.h>
#include "version.h"
+#include <asm/cache.h>
#ifndef CONFIG_IDENT_STRING
#define CONFIG_IDENT_STRING ""
@@ -142,7 +143,7 @@ _start:
movec %d0, %RAMBAR1
/* invalidate and disable cache */
- move.l #0x01000000, %d0 /* Invalidate cache cmd */
+ move.l #CF_CACR_CINVA, %d0 /* Invalidate cache cmd */
movec %d0, %CACR /* Invalidate cache */
move.l #0, %d0
movec %d0, %ACR0
@@ -158,8 +159,8 @@ _start:
/* initialize general use internal ram */
move.l #0, %d0
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a2
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* icache */
move.l %d0, (%a1)
move.l %d0, (%a2)
@@ -279,71 +280,6 @@ _int_handler:
RESTORE_ALL
/*------------------------------------------------------------------------------*/
-/* cache functions */
- .globl icache_enable
-icache_enable:
- move.l #0x01000000, %d0 /* Invalidate cache cmd */
- movec %d0, %CACR /* Invalidate cache */
- move.l #(CONFIG_SYS_SDRAM_BASE + 0xc000 + ((CONFIG_SYS_SDRAM_SIZE & 0x1fe0) << 11)), %d0
- movec %d0, %ACR0 /* Enable cache */
-
- move.l #0x80000200, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- nop
-
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
- moveq #1, %d0
- move.l %d0, (%a1)
- rts
-
- .globl icache_disable
-icache_disable:
- move.l #0x01000000, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Disable cache */
- clr.l %d0 /* Setup cache mask */
- movec %d0, %ACR0
- movec %d0, %ACR1
-
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
- moveq #0, %d0
- move.l %d0, (%a1)
- rts
-
- .globl icache_status
-icache_status:
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
- move.l (%a1), %d0
- rts
-
- .globl icache_invalid
-icache_invalid:
- move.l #0x81000200, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- rts
-
- .globl dcache_enable
-dcache_enable:
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1
- moveq #1, %d0
- move.l %d0, (%a1)
- rts
-
- /* No dcache, just a dummy function */
- .globl dcache_disable
-dcache_disable:
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1
- moveq #0, %d0
- move.l %d0, (%a1)
- rts
-
- .globl dcache_status
-dcache_status:
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1
- move.l (%a1), %d0
- rts
-
-/*------------------------------------------------------------------------------*/
-
.globl version_string
version_string:
.ascii U_BOOT_VERSION