diff options
| author | TsiChung Liew <tsicliew@gmail.com> | 2010-03-11 22:12:53 -0600 |
|---|---|---|
| committer | TsiChung Liew <tsicliew@gmail.com> | 2010-03-24 11:09:37 -0500 |
| commit | dd9f054ede433de73b137987fb3dc066e8d24ebb (patch) | |
| tree | c4bafde866a253612976f0f3f8805093360c5c44 /cpu/mcf523x | |
| parent | f628e2f72daee810aa568619b6629da68ad042d6 (diff) | |
ColdFire: Cache update for all platforms
The CF will call cache functions in lib_m68/cache.c and the
cache settings are defined in platform configuration file.
Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
Diffstat (limited to 'cpu/mcf523x')
| -rw-r--r-- | cpu/mcf523x/start.S | 75 |
1 files changed, 4 insertions, 71 deletions
diff --git a/cpu/mcf523x/start.S b/cpu/mcf523x/start.S index d44da37ec7..20b50e7579 100644 --- a/cpu/mcf523x/start.S +++ b/cpu/mcf523x/start.S @@ -24,6 +24,7 @@ #include <config.h> #include <timestamp.h> #include "version.h" +#include <asm/cache.h> #ifndef CONFIG_IDENT_STRING #define CONFIG_IDENT_STRING "" @@ -135,7 +136,7 @@ _start: movec %d0, %RAMBAR1 /* invalidate and disable cache */ - move.l #0x01000000, %d0 /* Invalidate cache cmd */ + move.l #CF_CACR_CINV, %d0 /* Invalidate cache cmd */ movec %d0, %CACR /* Invalidate cache */ nop move.l #0, %d0 @@ -144,8 +145,8 @@ _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) @@ -265,74 +266,6 @@ _int_handler: RESTORE_ALL /*------------------------------------------------------------------------------*/ -/* cache functions */ - .globl icache_enable -icache_enable: - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - nop - move.l #(CONFIG_SYS_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - move.l #(CONFIG_SYS_FLASH_BASE + 0xc000), %d0 /* Setup cache mask */ - movec %d0, %ACR1 /* Enable cache */ - - move.l #0x80400100, %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 #0x00000100, %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 #0x80600100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - nop - 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: |