X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Fsa1100%2Fstart.S;h=ace0c074df77f409f2e7f64d04eb648d04615948;hb=3388db2cd72d85717596158131b3e48efe2acfea;hp=4730e5a9ab050c2c667371cd39e37a49acd25910;hpb=e30ceca21fd64303c01d1fcf58f9b342a364e0d7;p=u-boot

diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S
index 4730e5a9ab..ace0c074df 100644
--- a/arch/arm/cpu/sa1100/start.S
+++ b/arch/arm/cpu/sa1100/start.S
@@ -25,11 +25,10 @@
  * MA 02111-1307 USA
  */
 
-
+#include <asm-offsets.h>
 #include <config.h>
 #include <version.h>
 
-
 /*
  *************************************************************************
  *
@@ -75,13 +74,7 @@ _fiq:			.word fiq
 
 .globl _TEXT_BASE
 _TEXT_BASE:
-	.word	TEXT_BASE
-
-#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
-.globl _armboot_start
-_armboot_start:
-	.word _start
-#endif
+	.word	CONFIG_SYS_TEXT_BASE
 
 /*
  * These are defined in the board-specific linker script.
@@ -106,7 +99,6 @@ FIQ_STACK_START:
 	.word 0x0badc0de
 #endif
 
-#if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
 /* IRQ stack memory (calculated at run-time) + 8 bytes */
 .globl IRQ_STACK_START_IN
 IRQ_STACK_START_IN:
@@ -191,12 +183,11 @@ stack_setup:
 	cmp	r0, r6
 	beq	clear_bss
 
-#ifndef CONFIG_SKIP_RELOCATE_UBOOT
 copy_loop:
 	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
 	stmia	r6!, {r9-r10}		/* copy to   target address [r1]    */
-	cmp	r0, r2			/* until source end addreee [r2]    */
-	ble	copy_loop
+	cmp	r0, r2			/* until source end address [r2]    */
+	blo	copy_loop
 
 #ifndef CONFIG_PRELOADER
 	/* fix got entries */
@@ -216,9 +207,8 @@ fixloop:
 	str	r4, [r2]
 	add	r2, r2, #4
 	cmp	r2, r3
-	bne	fixloop
+	blo	fixloop
 #endif
-#endif	/* #ifndef CONFIG_SKIP_RELOCATE_UBOOT */
 
 clear_bss:
 #ifndef CONFIG_PRELOADER
@@ -255,75 +245,6 @@ clbss_l:str	r2, [r0]		/* clear loop...		    */
 
 _board_init_r: .word board_init_r
 
-#else /* #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC) */
-
-/*
- * the actual reset code
- */
-
-reset:
-	/*
-	 * set the cpu to SVC32 mode
-	 */
-	mrs	r0,cpsr
-	bic	r0,r0,#0x1f
-	orr	r0,r0,#0x13
-	msr	cpsr,r0
-
-	/*
-	 * we do sys-critical inits only at reboot,
-	 * not when booting from ram!
-	 */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-	bl	cpu_init_crit
-#endif
-
-#ifndef CONFIG_SKIP_RELOCATE_UBOOT
-relocate:				/* relocate U-Boot to RAM	    */
-	adr	r0, _start		/* r0 <- current position of code   */
-	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */
-	cmp     r0, r1                  /* don't reloc during debug         */
-	beq     stack_setup
-
-	ldr	r2, _armboot_start
-	ldr	r3, _bss_start
-	sub	r2, r3, r2		/* r2 <- size of armboot            */
-	add	r2, r0, r2		/* r2 <- source end address         */
-
-copy_loop:
-	ldmia	r0!, {r3-r10}		/* copy from source address [r0]    */
-	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
-	cmp	r0, r2			/* until source end addreee [r2]    */
-	ble	copy_loop
-#endif	/* CONFIG_SKIP_RELOCATE_UBOOT */
-
-	/* Set up the stack						    */
-stack_setup:
-	ldr	r0, _TEXT_BASE		/* upper 128 KiB: relocated uboot   */
-	sub	r0, r0, #CONFIG_SYS_MALLOC_LEN	/* malloc area                      */
-	sub	r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo                        */
-#ifdef CONFIG_USE_IRQ
-	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
-#endif
-	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
-	bic	sp, sp, #7		/* 8-byte alignment for ABI compliance */
-
-clear_bss:
-	ldr	r0, _bss_start		/* find start of bss segment        */
-	ldr	r1, _bss_end		/* stop here                        */
-	mov	r2, #0x00000000		/* clear                            */
-
-clbss_l:str	r2, [r0]		/* clear loop...                    */
-	add	r0, r0, #4
-	cmp	r0, r1
-	ble	clbss_l
-
-	ldr	pc, _start_armboot
-
-_start_armboot:	.word start_armboot
-
-#endif /* #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC) */
-
 /*
  *************************************************************************
  *
@@ -442,13 +363,7 @@ cpu_init_crit:
 	stmia	sp, {r0 - r12}			@ Calling r0-r12
 	add     r8, sp, #S_PC
 
-#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
-	ldr	r2, _armboot_start
-	sub	r2, r2, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
-	sub	r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE+8)  @ set base 2 words into abort stack
-#else
 	ldr	r2, IRQ_STACK_START_IN
-#endif
 	ldmia	r2, {r2 - r4}                   @ get pc, cpsr, old_r0
 	add	r0, sp, #S_FRAME_SIZE		@ restore sp_SVC
 
@@ -479,13 +394,7 @@ cpu_init_crit:
 	.endm
 
 	.macro get_bad_stack
-#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
-	ldr	r13, _armboot_start		@ setup our mode stack
-	sub	r13, r13, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
-	sub	r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack
-#else
 	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack
-#endif
 
 	str	lr, [r13]			@ save caller lr / spsr
 	mrs	lr, spsr