Merge 'u-boot-atmel/master' into 'u-boot-arm/master'

[karo-tx-uboot.git] / arch / arm / cpu / arm1176 / start.S

diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S
index dc692edc16e3e7293b75d0990d9c47621c97d528..40df4b161428dd3343ba0eb8730908a98bdd1720 100644 (file)
--- a/arch/arm/cpu/arm1176/start.S
+++ b/arch/arm/cpu/arm1176/start.S
@@ -121,6 +121,10 @@ _bss_start_ofs:
 
 .globl _bss_end_ofs
 _bss_end_ofs:
+       .word __bss_end__ - _start
+
+.globl _end_ofs
+_end_ofs:
        .word _end - _start
 
 /* IRQ stack memory (calculated at run-time) + 8 bytes */
@@ -220,12 +224,7 @@ skip_tcmdisable:
         */
        bl      lowlevel_init           /* go setup pll,mux,memory */
 
-/* Set stackpointer in internal RAM to call board_init_f */
-call_board_init_f:
-       ldr     sp, =(CONFIG_SYS_INIT_SP_ADDR)
-       bic     sp, sp, #7 /* 8-byte alignment for ABI compliance */
-       ldr     r0,=0x00000000
-       bl      board_init_f
+       bl      _main
 
 /*------------------------------------------------------------------------------*/
 
@@ -242,15 +241,11 @@ relocate_code:
        mov     r5, r1  /* save addr of gd */
        mov     r6, r2  /* save addr of destination */
 
-       /* Set up the stack                                                 */
-stack_setup:
-       mov     sp, r4
-
        adr     r0, _start
        cmp     r0, r6
-       beq     clear_bss               /* skip relocation */
+       moveq   r9, #0          /* no relocation. relocation offset(r9) = 0 */
+       beq     relocate_done           /* skip relocation */
        mov     r1, r6                  /* r1 <- scratch for copy_loop */
-       ldr     r2, _TEXT_BASE
        ldr     r3, _bss_start_ofs
        add     r2, r0, r3              /* r2 <- source end address         */
 
@@ -260,7 +255,7 @@ copy_loop:
        cmp     r0, r2                  /* until source end address [r2]    */
        blo     copy_loop
 
-#ifndef CONFIG_PRELOADER
+#ifndef CONFIG_SPL_BUILD
        /*
         * fix .rel.dyn relocations
         */
@@ -288,7 +283,7 @@ fixabs:
        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 */
+       add     r1, r1, r9              /* r1 <- relocated sym addr */
        b       fixnext
 fixrel:
        /* relative fix: increase location by offset */
@@ -339,47 +334,9 @@ mmu_enable:
 skip_hw_init:
 #endif
 
-clear_bss:
-#ifndef CONFIG_PRELOADER
-       ldr     r0, _bss_start_ofs
-       ldr     r1, _bss_end_ofs
-       ldr     r3, _TEXT_BASE          /* Text base */
-       mov     r4, r6                  /* 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.
- */
-#ifdef CONFIG_NAND_SPL
-       ldr     pc, _nand_boot
-
-_nand_boot: .word nand_boot
-#else
-       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, r6          /* dest_addr */
-       /* jump to it ... */
-       mov     pc, lr
+relocate_done:
 
-_board_init_r_ofs:
-       .word board_init_r - _start
-#endif
+       bx      lr
 
 _rel_dyn_start_ofs:
        .word __rel_dyn_start - _start
@@ -393,6 +350,11 @@ _mmu_table_base:
        .word mmu_table
 #endif
 
+       .globl  c_runtime_cpu_setup
+c_runtime_cpu_setup:
+
+       mov     pc, lr
+
 #ifndef CONFIG_NAND_SPL
 /*
  * we assume that cache operation is done before. (eg. cleanup_before_linux())