diff options
30 files changed, 658 insertions, 599 deletions
diff --git a/cpu/mcf5227x/start.S b/cpu/mcf5227x/start.S index 0c9c89c40..30428f15d 100644 --- a/cpu/mcf5227x/start.S +++ b/cpu/mcf5227x/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 ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END- 4) -#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END- 8) -#define CACR_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-12) - #define _START _start #define _FAULT _fault @@ -378,21 +374,19 @@ _start: movec %d0, %RAMBAR1 #endif + /* invalidate and disable cache */ + move.l #CF_CACR_CINV, %d0 /* Invalidate cache cmd */ + movec %d0, %CACR /* Invalidate cache */ + move.l #0, %d0 + movec %d0, %ACR0 + movec %d0, %ACR1 + /* initialize general use internal ram */ move.l #0, %d0 move.l #(ICACHE_STATUS), %a1 /* icache */ move.l #(DCACHE_STATUS), %a2 /* icache */ - move.l #(CACR_STATUS), %a3 /* CACR */ move.l %d0, (%a1) move.l %d0, (%a2) - move.l %d0, (%a3) - - /* invalidate and disable cache */ - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0, %d0 - movec %d0, %ACR0 - movec %d0, %ACR1 /* set stackpointer to end of internal ram to get some stackspace for the first c-code */ @@ -510,84 +504,6 @@ _int_handler: RESTORE_ALL /*------------------------------------------------------------------------------*/ -/* cache functions */ - .globl icache_enable -icache_enable: - move.l #0x01200000, %d0 /* Invalid cache */ - movec %d0, %CACR - - move.l #(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0 - movec %d0, %ACR0 - - move.l #0x81600610, %d0 /* Enable cache */ - movec %d0, %CACR - - move.l #(ICACHE_STATUS), %a1 - moveq #1, %d0 - move.l %d0, (%a1) - rts - - .globl icache_disable -icache_disable: - move.l #0x01F00000, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Invalidate icache */ - clr.l %d0 - movec %d0, %ACR0 - movec %d0, %ACR1 - - 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 #0x80600610, %d0 /* Invalidate icache */ - movec %d0, %CACR /* Enable and invalidate cache */ - rts - - .globl dcache_enable -dcache_enable: - move.l #0x01200000, %d0 /* Invalid cache */ - movec %d0, %CACR - - move.l #0x81300610, %d0 - movec %d0, %CACR - - move.l #(DCACHE_STATUS), %a1 - moveq #1, %d0 - move.l %d0, (%a1) - rts - - .globl dcache_disable -dcache_disable: - move.l #0x81600610, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Invalidate icache */ - - move.l #(DCACHE_STATUS), %a1 - moveq #0, %d0 - move.l %d0, (%a1) - rts - - .globl dcache_invalid -dcache_invalid: - move.l #0x81100610, %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: diff --git a/cpu/mcf523x/start.S b/cpu/mcf523x/start.S index d44da37ec..20b50e757 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: diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S index 0dd4de516..9ef206aa0 100644 --- a/cpu/mcf52x2/start.S +++ b/cpu/mcf52x2/start.S @@ -24,12 +24,12 @@ #include <config.h> #include <timestamp.h> #include "version.h" +#include <asm/cache.h> #ifndef CONFIG_IDENT_STRING #define CONFIG_IDENT_STRING "" #endif - #define _START _start #define _FAULT _fault @@ -201,6 +201,13 @@ _after_flashbar_copy: movec %d0, %RAMBAR1 #endif + /* initialize general use internal ram */ + move.l #0, %d0 + move.l #(ICACHE_STATUS), %a1 /* icache */ + move.l #(DCACHE_STATUS), %a2 /* icache */ + move.l %d0, (%a1) + move.l %d0, (%a2) + /* set stackpointer to end of internal ram to get some stackspace for the first c-code */ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp clr.l %sp@- @@ -283,23 +290,6 @@ clear_bss: cmp.l %a2, %a1 bne 7b -#if defined(CONFIG_M5281) || defined(CONFIG_M5282) - /* patch the 3 accesspoints to 3 ichache_state */ - /* quick and dirty */ - - move.l %a0,%d1 - add.l #(icache_state - CONFIG_SYS_MONITOR_BASE),%d1 - move.l %a0,%a1 - add.l #(icache_state_access_1+2 - CONFIG_SYS_MONITOR_BASE),%a1 - move.l %d1,(%a1) - move.l %a0,%a1 - add.l #(icache_state_access_2+2 - CONFIG_SYS_MONITOR_BASE),%a1 - move.l %d1,(%a1) - move.l %a0,%a1 - add.l #(icache_state_access_3+2 - CONFIG_SYS_MONITOR_BASE),%a1 - move.l %d1,(%a1) -#endif - /* calculate relative jump to board_init_r in ram */ move.l %a0, %a1 add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1 @@ -336,156 +326,6 @@ _int_handler: RESTORE_ALL /*------------------------------------------------------------------------------*/ -/* cache functions */ -#ifdef CONFIG_M5208 - .globl icache_enable -icache_enable: - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #(CONFIG_SYS_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 #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 - moveq #1, %d0 - move.l %d0, (%a1) - rts -#endif - -#ifdef CONFIG_M5271 - .globl icache_enable -icache_enable: - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #(CONFIG_SYS_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 #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 - moveq #1, %d0 - move.l %d0, (%a1) - rts -#endif - -#ifdef CONFIG_M5272 - .globl icache_enable -icache_enable: - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0x0000c000, %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - move.l #0xff00c000, %d0 /* Setup cache mask */ - movec %d0, %ACR1 /* Enable cache */ - move.l #0x80000100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - moveq #1, %d0 - move.l %d0, icache_state - rts -#endif - -#if defined(CONFIG_M5275) -/* - * Instruction cache only - */ - .globl icache_enable -icache_enable: - move.l #0x01400000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0x0000c000, %d0 /* Setup SDRAM caching */ - movec %d0, %ACR0 /* Enable cache */ - move.l #0x00000000, %d0 /* No other caching */ - movec %d0, %ACR1 /* Enable cache */ - move.l #0x80400100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - moveq #1, %d0 - move.l %d0, icache_state - rts -#endif - -#ifdef CONFIG_M5282 - .globl icache_enable -icache_enable: - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0x0000c000, %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - move.l #0xff00c000, %d0 /* Setup cache mask */ - movec %d0, %ACR1 /* Enable cache */ - move.l #0x80400100, %d0 /* Setup cache mask, data cache disabel*/ - movec %d0, %CACR /* Enable cache */ - moveq #1, %d0 -icache_state_access_1: - move.l %d0, icache_state - rts -#endif - -#if defined(CONFIG_M5249) || defined(CONFIG_M5253) - .globl icache_enable -icache_enable: - /* - * Note: The 5249 Documentation doesn't give a bit position for CINV! - * From the 5272 and the 5307 documentation, I have deduced that it is - * probably CACR[24]. Should someone say something to Motorola? - * ~Jeremy - */ - move.l #0x01000000, %d0 /* Invalidate whole cache */ - move.c %d0,%CACR - move.l #0xff00c000, %d0 /* Set FLASH cachable: always match (SM=0b10) */ - move.c %d0, %ACR0 - move.l #0x0000c000, %d0 /* Set SDRAM cachable: always match (SM=0b10) */ - move.c %d0, %ACR1 - move.l #0x90000200, %d0 /* Set cache enable cmd */ - move.c %d0,%CACR - moveq #1, %d0 - move.l %d0, icache_state - rts -#endif - - .globl icache_disable -icache_disable: - move.l #0x00000100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - clr.l %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - movec %d0, %ACR1 /* Enable cache */ - moveq #0, %d0 -icache_state_access_2: - move.l %d0, icache_state - rts - - .globl icache_status -icache_status: -icache_state_access_3: - 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 version_string: diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S index 5abd944eb..a80b0a994 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 - 1) << 16)), %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 diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S index d2d443915..738e4a711 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: diff --git a/cpu/mcf547x_8x/start.S b/cpu/mcf547x_8x/start.S index 94ef14bf3..84118629e 100644 --- a/cpu/mcf547x_8x/start.S +++ b/cpu/mcf547x_8x/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 ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END- 4) -#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END- 8) -#define CACR_STATUS (CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-12) - #define _START _start #define _FAULT _fault @@ -158,10 +154,8 @@ _start: move.l #0, %d0 move.l #(ICACHE_STATUS), %a1 /* icache */ move.l #(DCACHE_STATUS), %a2 /* icache */ - move.l #(CACR_STATUS), %a3 /* CACR */ move.l %d0, (%a1) move.l %d0, (%a2) - move.l %d0, (%a3) /* set stackpointer to end of internal ram to get some stackspace for the first c-code */ @@ -279,81 +273,6 @@ _int_handler: RESTORE_ALL /*------------------------------------------------------------------------------*/ -/* cache functions */ - .globl icache_enable -icache_enable: - move.l #(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0 - movec %d0, %ACR2 /* Enable cache */ - - move.l #0x020C8100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - nop - - move.l #(ICACHE_STATUS), %a1 - moveq #1, %d0 - move.l %d0, (%a1) - rts - - .globl icache_disable -icache_disable: - move.l #0x000C8100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Disable cache */ - clr.l %d0 /* Setup cache mask */ - movec %d0, %ACR2 - movec %d0, %ACR3 - - move.l #(ICACHE_STATUS), %a1 - moveq #0, %d0 - move.l %d0, (%a1) - rts - - .globl icache_invalid -icache_invalid: - move.l #0x000C8100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - rts - - .globl icache_status -icache_status: - move.l #(ICACHE_STATUS), %a1 - move.l (%a1), %d0 - rts - - .globl dcache_enable -dcache_enable: - bsr icache_disable - - move.l #(CONFIG_SYS_SDRAM_BASE + 0xc000), %d0 - movec %d0, %ACR0 /* Enable cache */ - - move.l #0xA30C8100, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - - move.l #(DCACHE_STATUS), %a1 - moveq #1, %d0 - move.l %d0, (%a1) - rts - - .globl dcache_disable -dcache_disable: - move.l #0xA30C8100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Disable cache */ - clr.l %d0 /* Setup cache mask */ - movec %d0, %ACR0 - movec %d0, %ACR1 - - move.l #(DCACHE_STATUS), %a1 - moveq #0, %d0 - move.l %d0, (%a1) - rts - - .globl dcache_status -dcache_status: - move.l #(DCACHE_STATUS), %a1 - move.l (%a1), %d0 - rts - -/*------------------------------------------------------------------------------*/ .globl version_string version_string: diff --git a/include/asm-m68k/cache.h b/include/asm-m68k/cache.h new file mode 100644 index 000000000..7c84e4847 --- /dev/null +++ b/include/asm-m68k/cache.h @@ -0,0 +1,210 @@ +/* + * ColdFire cache + * + * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * 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 + */ + +#ifndef __CACHE_H +#define __CACHE_H + +#if defined(CONFIG_MCF520x) || defined(CONFIG_MCF523x) || \ + defined(CONFIG_MCF52x2) || defined(CONFIG_MCF5227x) +#define CONFIG_CF_V2 +#endif + +#if defined(CONFIG_MCF532x) || defined(CONFIG_MCF5301x) +#define CONFIG_CF_V3 +#endif + +#if defined(CONFIG_MCF547x_8x) || defined(CONFIG_MCF5445x) +#define CONFIG_CF_V4 +#if defined(CONFIG_MCF5441x) +#define CONFIG_CF_V4E /* Four Extra ACRn */ +#endif +#endif + +/* ***** CACR ***** */ +/* V2 Core */ +#ifdef CONFIG_CF_V2 + +#define CF_CACR_CENB (1 << 31) +#define CF_CACR_CPD (1 << 28) +#define CF_CACR_CFRZ (1 << 27) +#define CF_CACR_CEIB (1 << 10) +#define CF_CACR_DCM (1 << 9) +#define CF_CACR_DBWE (1 << 8) + +#if defined(CONFIG_MCF5249) || defined(CONFIG_MCF5253) +#define CF_CACR_DWP (1 << 6) +#else +#define CF_CACR_CINV (1 << 24) +#define CF_CACR_DISI (1 << 23) +#define CF_CACR_DISD (1 << 22) +#define CF_CACR_INVI (1 << 21) +#define CF_CACR_INVD (1 << 20) +#define CF_CACR_DWP (1 << 5) +#define CF_CACR_EUSP (1 << 4) +#endif /* CONFIG_MCF5249 || CONFIG_MCF5253 */ + +#endif /* CONFIG_CF_V2 */ + +/* V3 Core */ +#ifdef CONFIG_CF_V3 + +#define CF_CACR_EC (1 << 31) +#define CF_CACR_ESB (1 << 29) +#define CF_CACR_DPI (1 << 28) +#define CF_CACR_HLCK (1 << 27) +#define CF_CACR_CINVA (1 << 24) +#define CF_CACR_DNFB (1 << 10) +#define CF_CACR_DCM_UNMASK 0xFFFFFCFF +#define CF_CACR_DCM_WT (0 << 8) +#define CF_CACR_DCM_CB (1 << 8) +#define CF_CACR_DCM_P (2 << 8) +#define CF_CACR_DCM_IP (3 << 8) +#define CF_CACR_DW (1 << 5) +#define CF_CACR_EUSP (1 << 4) + +#endif /* CONFIG_CF_V3 */ + +/* V4 Core */ +#ifdef CONFIG_CF_V4 + +#define CF_CACR_DEC (1 << 31) +#define CF_CACR_DW (1 << 30) +#define CF_CACR_DESB (1 << 29) +#define CF_CACR_DDPI (1 << 28) +#define CF_CACR_DHLCK (1 << 27) +#define CF_CACR_DDCM_UNMASK (0xF9FFFFFF) +#define CF_CACR_DDCM_WT (0 << 25) +#define CF_CACR_DDCM_CB (1 << 25) +#define CF_CACR_DDCM_P (2 << 25) +#define CF_CACR_DDCM_IP (3 << 25) +#define CF_CACR_DCINVA (1 << 24) + +#define CF_CACR_DDSP (1 << 23) +#define CF_CACR_BEC (1 << 19) +#define CF_CACR_BCINVA (1 << 18) +#define CF_CACR_IEC (1 << 15) +#define CF_CACR_DNFB (1 << 13) +#define CF_CACR_IDPI (1 << 12) +#define CF_CACR_IHLCK (1 << 11) +#define CF_CACR_IDCM (1 << 10) +#define CF_CACR_ICINVA (1 << 8) +#define CF_CACR_IDSP (1 << 7) +#define CF_CACR_EUSP (1 << 5) + +#ifdef CONFIG_MCF5445x +#define CF_CACR_IVO (1 << 20) +#define CF_CACR_SPA (1 << 14) +#else +#define CF_CACR_DF (1 << 4) +#endif + +#endif /* CONFIG_CF_V4 */ + +/* ***** ACR ***** */ +#define CF_ACR_ADR_UNMASK (0x00FFFFFF) +#define CF_ACR_ADR(x) ((x & 0xFF) << 24) +#define CF_ACR_ADRMSK_UNMASK (0xFF00FFFF) +#define CF_ACR_ADRMSK(x) ((x & 0xFF) << 16) +#define CF_ACR_EN (1 << 15) +#define CF_ACR_SM_UNMASK (0xFFFF9FFF) +#define CF_ACR_SM_UM (0 << 13) +#define CF_ACR_SM_SM (1 << 13) +#define CF_ACR_SM_ALL (3 << 13) +#define CF_ACR_WP (1 << 2) + +/* V2 Core */ +#ifdef CONFIG_CF_V2 +#define CF_ACR_CM (1 << 6) +#define CF_ACR_BWE (1 << 5) +#else +/* V3 & V4 */ +#define CF_ACR_CM_UNMASK (0xFFFFFF9F) +#define CF_ACR_CM_WT (0 << 5) +#define CF_ACR_CM_CB (1 << 5) +#define CF_ACR_CM_P (2 << 5) +#define CF_ACR_CM_IP (3 << 5) +#endif /* CONFIG_CF_V2 */ + +/* V4 Core */ +#ifdef CONFIG_CF_V4 +#define CF_ACR_AMM (1 << 10) +#define CF_ACR_SP (1 << 3) +#endif /* CONFIG_CF_V4 */ + + +#ifndef CONFIG_SYS_CACHE_ICACR +#define CONFIG_SYS_CACHE_ICACR 0 +#endif + +#ifndef CONFIG_SYS_CACHE_DCACR +#ifdef CONFIG_SYS_CACHE_ICACR +#define CONFIG_SYS_CACHE_DCACR CONFIG_SYS_CACHE_ICACR +#else +#define CONFIG_SYS_CACHE_DCACR 0 +#endif +#endif + +#ifndef CONFIG_SYS_CACHE_ACR0 +#define CONFIG_SYS_CACHE_ACR0 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR1 +#define CONFIG_SYS_CACHE_ACR1 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR2 +#define CONFIG_SYS_CACHE_ACR2 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR3 +#define CONFIG_SYS_CACHE_ACR3 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR4 +#define CONFIG_SYS_CACHE_ACR4 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR5 +#define CONFIG_SYS_CACHE_ACR5 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR6 +#define CONFIG_SYS_CACHE_ACR6 0 +#endif + +#ifndef CONFIG_SYS_CACHE_ACR7 +#define CONFIG_SYS_CACHE_ACR7 0 +#endif + +#define CF_ADDRMASK(x) (((x > 0x10) ? ((x >> 4) - 1) : (x)) << 16) + +#ifndef __ASSEMBLY__ /* put C only stuff in this section */ + +void icache_invalid(void); +void dcache_invalid(void); + +#endif + +#endif /* __CACHE_H */ diff --git a/include/configs/EB+MCF-EV123.h b/include/configs/EB+MCF-EV123.h index a0b27a89c..880cb4ee6 100644 --- a/include/configs/EB+MCF-EV123.h +++ b/include/configs/EB+MCF-EV123.h @@ -208,6 +208,18 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV + CF_CACR_DCM) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_DISD | \ + CF_CACR_CEIB | CF_CACR_DBWE | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M5208EVBE.h b/include/configs/M5208EVBE.h index 3cc259ffd..e6632acbe 100644 --- a/include/configs/M5208EVBE.h +++ b/include/configs/M5208EVBE.h @@ -207,6 +207,19 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /* Chipselect bank definitions */ /* * CS0 - NOR Flash diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h index 1801d9d7d..6c6b5d6d5 100644 --- a/include/configs/M52277EVB.h +++ b/include/configs/M52277EVB.h @@ -302,6 +302,19 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M5235EVB.h b/include/configs/M5235EVB.h index 2b816ceae..5c0dc842a 100644 --- a/include/configs/M5235EVB.h +++ b/include/configs/M5235EVB.h @@ -237,6 +237,18 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_DISD | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Chipselect bank definitions */ diff --git a/include/configs/M5249EVB.h b/include/configs/M5249EVB.h index e3830e536..33ac2859d 100644 --- a/include/configs/M5249EVB.h +++ b/include/configs/M5249EVB.h @@ -60,6 +60,7 @@ * Command line configuration. */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #undef CONFIG_CMD_NET #define CONFIG_SYS_PROMPT "=> " @@ -165,6 +166,20 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_DCM) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_FLASH_BASE | \ + CF_ADDRMASK(2) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ACR1 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \ + CF_CACR_DBWE) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M5253DEMO.h b/include/configs/M5253DEMO.h index f813f8891..9944e12fe 100644 --- a/include/configs/M5253DEMO.h +++ b/include/configs/M5253DEMO.h @@ -57,6 +57,7 @@ */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #define CONFIG_CMD_LOADB #define CONFIG_CMD_LOADS #define CONFIG_CMD_EXT2 @@ -226,6 +227,20 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_DCM) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_FLASH_BASE | \ + CF_ADDRMASK(8) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ACR1 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \ + CF_CACR_DBWE) + /* Port configuration */ #define CONFIG_SYS_FECI2C 0xF0 diff --git a/include/configs/M5253EVBE.h b/include/configs/M5253EVBE.h index df6970cdf..206d1152e 100644 --- a/include/configs/M5253EVBE.h +++ b/include/configs/M5253EVBE.h @@ -64,6 +64,7 @@ * Command line configuration. */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #undef CONFIG_CMD_NET #define CONFIG_CMD_LOADB #define CONFIG_CMD_LOADS @@ -179,6 +180,20 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_DCM) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_FLASH_BASE | \ + CF_ADDRMASK(2) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ACR1 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \ + CF_CACR_DBWE) + /* Port configuration */ #define CONFIG_SYS_FECI2C 0xF0 diff --git a/include/configs/M5271EVB.h b/include/configs/M5271EVB.h index 50b3ab280..798949cc5 100644 --- a/include/configs/M5271EVB.h +++ b/include/configs/M5271EVB.h @@ -72,6 +72,7 @@ */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #define CONFIG_CMD_PING #define CONFIG_CMD_NET #define CONFIG_CMD_MII @@ -229,6 +230,19 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /* Chip Select 0 : Boot Flash */ #define CONFIG_SYS_CS0_BASE 0xFFE00000 #define CONFIG_SYS_CS0_MASK 0x001F0001 diff --git a/include/configs/M5272C3.h b/include/configs/M5272C3.h index f824158a6..f704bb3ff 100644 --- a/include/configs/M5272C3.h +++ b/include/configs/M5272C3.h @@ -74,6 +74,7 @@ */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #define CONFIG_CMD_MII #define CONFIG_CMD_NET #define CONFIG_CMD_PING @@ -211,6 +212,19 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M5275EVB.h b/include/configs/M5275EVB.h index f8d43f0a5..981670ac0 100644 --- a/include/configs/M5275EVB.h +++ b/include/configs/M5275EVB.h @@ -72,6 +72,7 @@ /* Available command configuration */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #define CONFIG_CMD_PING #define CONFIG_CMD_MII #define CONFIG_CMD_NET @@ -220,6 +221,19 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M5282EVB.h b/include/configs/M5282EVB.h index 15590cfcd..6e0aa14d3 100644 --- a/include/configs/M5282EVB.h +++ b/include/configs/M5282EVB.h @@ -64,6 +64,7 @@ * Command line configuration. */ #include <config_cmd_default.h> +#define CONFIG_CMD_CACHE #define CONFIG_CMD_NET #define CONFIG_CMD_PING #define CONFIG_CMD_MII @@ -209,6 +210,18 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV + CF_CACR_DCM) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_DISD | \ + CF_CACR_CEIB | CF_CACR_DBWE | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M53017EVB.h b/include/configs/M53017EVB.h index c351d415c..d983a8fed 100644 --- a/include/configs/M53017EVB.h +++ b/include/configs/M53017EVB.h @@ -233,6 +233,17 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_EC | CF_CACR_CINVA | \ + CF_CACR_DCM_P) + /*----------------------------------------------------------------------- * Chipselect bank definitions */ diff --git a/include/configs/M5329EVB.h b/include/configs/M5329EVB.h index 8180c05e6..159b178f4 100644 --- a/include/configs/M5329EVB.h +++ b/include/configs/M5329EVB.h @@ -237,6 +237,17 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_EC | CF_CACR_CINVA | \ + CF_CACR_DCM_P) + /*----------------------------------------------------------------------- * Chipselect bank definitions */ diff --git a/include/configs/M5373EVB.h b/include/configs/M5373EVB.h index 8652a80aa..af1988ce0 100644 --- a/include/configs/M5373EVB.h +++ b/include/configs/M5373EVB.h @@ -237,6 +237,17 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_EC | CF_CACR_CINVA | \ + CF_CACR_DCM_P) + /*----------------------------------------------------------------------- * Chipselect bank definitions */ diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h index a5acfd284..a80d33047 100644 --- a/include/configs/M54451EVB.h +++ b/include/configs/M54451EVB.h @@ -309,6 +309,21 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA) +#define CONFIG_SYS_DCACHE_INV (CF_CACR_DCINVA) +#define CONFIG_SYS_CACHE_ACR2 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_IEC | \ + CF_CACR_ICINVA | CF_CACR_EUSP) +#define CONFIG_SYS_CACHE_DCACR ((CONFIG_SYS_CACHE_ICACR | \ + CF_CACR_DEC | CF_CACR_DDCM_P | \ + CF_CACR_DCINVA) & ~CF_CACR_ICINVA) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h index 7737284aa..5b4bba8c2 100644 --- a/include/configs/M54455EVB.h +++ b/include/configs/M54455EVB.h @@ -279,7 +279,7 @@ * Definitions for initial stack pointer and data area (in DPRAM) */ #define CONFIG_SYS_INIT_RAM_ADDR 0x80000000 -#define CONFIG_SYS_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */ +#define CONFIG_SYS_INIT_RAM_END 0x8000 /* End of used area in internal SRAM */ #define CONFIG_SYS_INIT_RAM_CTRL 0x221 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ #define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 32) @@ -408,6 +408,21 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA) +#define CONFIG_SYS_DCACHE_INV (CF_CACR_DCINVA) +#define CONFIG_SYS_CACHE_ACR2 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_IEC | \ + CF_CACR_ICINVA | CF_CACR_EUSP) +#define CONFIG_SYS_CACHE_DCACR ((CONFIG_SYS_CACHE_ICACR | \ + CF_CACR_DEC | CF_CACR_DDCM_P | \ + CF_CACR_DCINVA) & ~CF_CACR_ICINVA) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/M5475EVB.h b/include/configs/M5475EVB.h index 4534002e4..d0077667f 100644 --- a/include/configs/M5475EVB.h +++ b/include/configs/M5475EVB.h @@ -286,6 +286,22 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA + \ + CF_CACR_IDCM) +#define CONFIG_SYS_DCACHE_INV (CF_CACR_DCINVA) +#define CONFIG_SYS_CACHE_ACR2 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_BCINVA | \ + CF_CACR_IEC | CF_CACR_ICINVA) +#define CONFIG_SYS_CACHE_DCACR ((CONFIG_SYS_CACHE_ICACR | \ + CF_CACR_DEC | CF_CACR_DDCM_P | \ + CF_CACR_DCINVA) & ~CF_CACR_ICINVA) + /*----------------------------------------------------------------------- * Chipselect bank definitions */ diff --git a/include/configs/M5485EVB.h b/include/configs/M5485EVB.h index 971cb67ba..f23b8b0ef 100644 --- a/include/configs/M5485EVB.h +++ b/include/configs/M5485EVB.h @@ -272,6 +272,22 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA + \ + CF_CACR_IDCM) +#define CONFIG_SYS_DCACHE_INV (CF_CACR_DCINVA) +#define CONFIG_SYS_CACHE_ACR2 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_BCINVA | \ + CF_CACR_IEC | CF_CACR_ICINVA) +#define CONFIG_SYS_CACHE_DCACR ((CONFIG_SYS_CACHE_ICACR | \ + CF_CACR_DEC | CF_CACR_DDCM_P | \ + CF_CACR_DCINVA) & ~CF_CACR_ICINVA) + /*----------------------------------------------------------------------- * Chipselect bank definitions */ diff --git a/include/configs/TASREG.h b/include/configs/TASREG.h index 25f3a26f3..b69f015c7 100644 --- a/include/configs/TASREG.h +++ b/include/configs/TASREG.h @@ -252,6 +252,17 @@ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_DCM) +#define CONFIG_SYS_CACHE_ACR1 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \ + CF_CACR_DBWE) + /*----------------------------------------------------------------------- * Memory bank definitions */ diff --git a/include/configs/astro_mcf5373l.h b/include/configs/astro_mcf5373l.h index 1fe42f682..7c8281cae 100644 --- a/include/configs/astro_mcf5373l.h +++ b/include/configs/astro_mcf5373l.h @@ -386,4 +386,15 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_EC | CF_CACR_CINVA | \ + CF_CACR_DCM_P) + #endif /* _CONFIG_ASTRO_MCF5373L_H */ diff --git a/include/configs/cobra5272.h b/include/configs/cobra5272.h index 1c3ea23c7..330e3ac66 100644 --- a/include/configs/cobra5272.h +++ b/include/configs/cobra5272.h @@ -331,6 +331,19 @@ from which user programs will be started */ */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /*----------------------------------------------------------------------- * Memory bank definitions * diff --git a/include/configs/idmr.h b/include/configs/idmr.h index 841affb7c..61e3bad4f 100644 --- a/include/configs/idmr.h +++ b/include/configs/idmr.h @@ -224,6 +224,19 @@ /* Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 +#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 CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) +#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ + CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ + CF_ACR_EN | CF_ACR_SM_ALL) +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ + CF_CACR_DISD | CF_CACR_INVI | \ + CF_CACR_CEIB | CF_CACR_DCM | \ + CF_CACR_EUSP) + /* Port configuration */ #define CONFIG_SYS_FECI2C 0xF0 diff --git a/lib_m68k/cache.c b/lib_m68k/cache.c index 84fb6c2fb..ed881783f 100644 --- a/lib_m68k/cache.c +++ b/lib_m68k/cache.c @@ -22,8 +22,129 @@ */ #include <common.h> +#include <asm/immap.h> +#include <asm/cache.h> -void flush_cache (ulong start_addr, ulong size) +volatile int *cf_icache_status = (int *)ICACHE_STATUS; +volatile int *cf_dcache_status = (int *)DCACHE_STATUS; + +void flush_cache(ulong start_addr, ulong size) { /* Must be implemented for all M68k processors with copy-back data cache */ } + +int icache_status(void) +{ + return *cf_icache_status; +} + +int dcache_status(void) +{ + return *cf_dcache_status; +} + +void icache_enable(void) +{ + icache_invalid(); + + *cf_icache_status = 1; + +#ifdef CONFIG_CF_V4 + __asm__ __volatile__("movec %0, %%acr2"::"r"(CONFIG_SYS_CACHE_ACR2)); + __asm__ __volatile__("movec %0, %%acr3"::"r"(CONFIG_SYS_CACHE_ACR3)); +#elif defined(CONFIG_CF_V4e) + __asm__ __volatile__("movec %0, %%acr6"::"r"(CONFIG_SYS_CACHE_ACR6)); + __asm__ __volatile__("movec %0, %%acr7"::"r"(CONFIG_SYS_CACHE_ACR7)); +#else + __asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0)); + __asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1)); +#endif + + __asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_ICACR)); +} + +void icache_disable(void) +{ + u32 temp = 0; + + *cf_icache_status = 0; + icache_invalid(); + +#ifdef CONFIG_CF_V4 + __asm__ __volatile__("movec %0, %%acr2"::"r"(temp)); + __asm__ __volatile__("movec %0, %%acr3"::"r"(temp)); +#elif defined(CONFIG_CF_V4e) + __asm__ __volatile__("movec %0, %%acr6"::"r"(temp)); + __asm__ __volatile__("movec %0, %%acr7"::"r"(temp)); +#else + __asm__ __volatile__("movec %0, %%acr0"::"r"(temp)); + __asm__ __volatile__("movec %0, %%acr1"::"r"(temp)); + +#endif +} + +void icache_invalid(void) +{ + u32 temp; + + temp = CONFIG_SYS_ICACHE_INV; + if (*cf_icache_status) + temp |= CONFIG_SYS_CACHE_ICACR; + + __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); +} + +/* + * data cache only for ColdFire V4 such as MCF547x_8x, MCF5445x + * the dcache will be dummy in ColdFire V2 and V3 + */ +void dcache_enable(void) +{ + dcache_invalid(); + *cf_dcache_status = 1; + +#ifdef CONFIG_CF_V4 + __asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0)); + __asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1)); +#elif defined(CONFIG_CF_V4e) + __asm__ __volatile__("movec %0, %%acr4"::"r"(CONFIG_SYS_CACHE_ACR4)); + __asm__ __volatile__("movec %0, %%acr5"::"r"(CONFIG_SYS_CACHE_ACR5)); + +#endif + + __asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_DCACR)); +} + +void dcache_disable(void) +{ + u32 temp = 0; + + *cf_dcache_status = 0; + dcache_invalid(); + + __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); + +#ifdef CONFIG_CF_V4 + __asm__ __volatile__("movec %0, %%acr0"::"r"(temp)); + __asm__ __volatile__("movec %0, %%acr1"::"r"(temp)); +#elif defined(CONFIG_CF_V4e) + __asm__ __volatile__("movec %0, %%acr4"::"r"(temp)); + __asm__ __volatile__("movec %0, %%acr5"::"r"(temp)); + +#endif +} + +void dcache_invalid(void) +{ +#ifdef CONFIG_CF_V4 + u32 temp; + + temp = CONFIG_SYS_DCACHE_INV; + if (*cf_dcache_status) + temp |= CONFIG_SYS_CACHE_DCACR; + if (*cf_icache_status) + temp |= CONFIG_SYS_CACHE_ICACR; + + __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); +#endif +} |