X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Fs3c44b0%2Fstart.S;h=78183fc19bc40874a341e000277868164d5447f2;hb=69f14dc2fd64307f012381dd333a06001dec75dc;hp=8c7100c2bf756c49c86ceb053bb1fe6d25320a3b;hpb=3336ca60d412b2e1285c0d5e76b7b6f9b4ff19ef;p=karo-tx-uboot.git

diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S
index 8c7100c2bf..78183fc19b 100644
--- a/arch/arm/cpu/s3c44b0/start.S
+++ b/arch/arm/cpu/s3c44b0/start.S
@@ -64,7 +64,11 @@ _start:	b       reset
 
 .globl _TEXT_BASE
 _TEXT_BASE:
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
+	.word	CONFIG_SPL_TEXT_BASE
+#else
 	.word	CONFIG_SYS_TEXT_BASE
+#endif
 
 /*
  * These are defined in the board-specific linker script.
@@ -78,6 +82,10 @@ _bss_start_ofs:
 
 .globl _bss_end_ofs
 _bss_end_ofs:
+	.word __bss_end - _start
+
+.globl _end_ofs
+_end_ofs:
 	.word _end - _start
 
 #ifdef CONFIG_USE_IRQ
@@ -124,128 +132,14 @@ reset:
 	bl	lowlevel_init
 #endif
 
-/* Set stackpointer in internal RAM to call board_init_f */
-call_board_init_f:
-	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
-	ldr	r0,=0x00000000
-	bl	board_init_f
+	bl	_main
 
 /*------------------------------------------------------------------------------*/
 
-/*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
- *
- */
-	.globl	relocate_code
-relocate_code:
-	mov	r4, r0	/* save addr_sp */
-	mov	r5, r1	/* save addr of gd */
-	mov	r6, r2	/* save addr of destination */
-	mov	r7, r2	/* save addr of destination */
-
-	/* Set up the stack						    */
-stack_setup:
-	mov	sp, r4
-
-	adr	r0, _start
-	ldr	r2, _TEXT_BASE
-	ldr	r3, _bss_start_ofs
-	add	r2, r0, r3		/* r2 <- source end address	    */
-	cmp	r0, r6
-	beq	clear_bss
-
-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 address [r2]    */
-	blo	copy_loop
-
-#ifndef CONFIG_PRELOADER
-	/*
-	 * fix .rel.dyn relocations
-	 */
-	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
-	sub	r9, r7, r0		/* r9 <- relocation offset */
-	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
-	add	r10, r10, r0		/* r10 <- sym table in FLASH */
-	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
-	add	r2, r2, r0		/* r2 <- rel dyn start in FLASH */
-	ldr	r3, _rel_dyn_end_ofs	/* r3 <- rel dyn end ofs */
-	add	r3, r3, r0		/* r3 <- rel dyn end in FLASH */
-fixloop:
-	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
-	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
-	ldr	r1, [r2, #4]
-	and	r8, r1, #0xff
-	cmp	r8, #23			/* relative fixup? */
-	beq	fixrel
-	cmp	r8, #2			/* absolute fixup? */
-	beq	fixabs
-	/* ignore unknown type of fixup */
-	b	fixnext
-fixabs:
-	/* absolute fix: set location to (offset) symbol value */
-	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
-	add	r1, r10, r1		/* r1 <- address of symbol in table */
-	ldr	r1, [r1, #4]		/* r1 <- symbol value */
-	add	r1, r9			/* r1 <- relocated sym addr */
-	b	fixnext
-fixrel:
-	/* relative fix: increase location by offset */
-	ldr	r1, [r0]
-	add	r1, r1, r9
-fixnext:
-	str	r1, [r0]
-	add	r2, r2, #8		/* each rel.dyn entry is 8 bytes */
-	cmp	r2, r3
-	blo	fixloop
-#endif
-
-clear_bss:
-#ifndef CONFIG_PRELOADER
-	ldr	r0, _bss_start_ofs
-	ldr	r1, _bss_end_ofs
-	ldr	r3, _TEXT_BASE		/* Text base */
-	mov	r4, r7			/* reloc addr */
-	add	r0, r0, r4
-	add	r1, r1, r4
-	mov	r2, #0x00000000		/* clear			    */
-
-clbss_l:str	r2, [r0]		/* clear loop...		    */
-	add	r0, r0, #4
-	cmp	r0, r1
-	bne	clbss_l
-
-	bl coloured_LED_init
-	bl red_LED_on
-#endif
-
-/*
- * We are done. Do not return, instead branch to second part of board
- * initialization, now running from RAM.
- */
-	ldr	r0, _board_init_r_ofs
-	adr	r1, _start
-	add	lr, r0, r1
-	add	lr, lr, r9
-	/* setup parameters for board_init_r */
-	mov	r0, r5		/* gd_t */
-	mov	r1, r7		/* dest_addr */
-	/* jump to it ... */
-	mov	pc, lr
-
-_board_init_r_ofs:
-	.word board_init_r - _start
+	.globl	c_runtime_cpu_setup
+c_runtime_cpu_setup:
 
-_rel_dyn_start_ofs:
-	.word __rel_dyn_start - _start
-_rel_dyn_end_ofs:
-	.word __rel_dyn_end - _start
-_dynsym_start_ofs:
-	.word __dynsym_start - _start
+	bx	lr
 
 /*
  *************************************************************************