diff options
Diffstat (limited to 'cpu/mcf547x_8x/start.S')
| -rw-r--r-- | cpu/mcf547x_8x/start.S | 83 | 
1 files changed, 1 insertions, 82 deletions
| 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: |