ARM: mx31: Print the silicon version

[u-boot] / arch / arm / cpu / arm1136 / start.S

diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S
index aecc943c8e980be314a38bd0582fa790da87b674..3c5f3ef5fab1ca6f5bb2bce45070487f7cd302d5 100644 (file)
--- a/arch/arm/cpu/arm1136/start.S
+++ b/arch/arm/cpu/arm1136/start.S
@@ -102,23 +102,11 @@ _bss_start_ofs:
 
 .globl _bss_end_ofs
 _bss_end_ofs:
-       .word _end - _start
-
-.globl _datarel_start_ofs
-_datarel_start_ofs:
-       .word __datarel_start - _start
-
-.globl _datarelrolocal_start_ofs
-_datarelrolocal_start_ofs:
-       .word __datarelrolocal_start - _start
+       .word __bss_end__ - _start
 
-.globl _datarellocal_start_ofs
-_datarellocal_start_ofs:
-       .word __datarellocal_start - _start
-
-.globl _datarelro_start_ofs
-_datarelro_start_ofs:
-       .word __datarelro_start - _start
+.globl _end_ofs
+_end_ofs:
+       .word _end - _start
 
 #ifdef CONFIG_USE_IRQ
 /* IRQ stack memory (calculated at run-time) */
@@ -176,17 +164,10 @@ next:
 /* 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
 
-#ifdef CONFIG_NAND_SPL
-       bl      nand_boot
-#else
-#ifdef CONFIG_ONENAND_IPL
-       bl      start_oneboot
-#else
        bl      board_init_f
-#endif /* CONFIG_ONENAND_IPL */
-#endif /* CONFIG_NAND_SPL */
 
 /*------------------------------------------------------------------------------*/
 
@@ -202,22 +183,21 @@ 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
+       cmp     r0, r6
+       beq     clear_bss               /* skip relocation */
+       mov     r1, r6                  /* r1 <- scratch for copy_loop */
        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]    */
+       stmia   r1!, {r9-r10}           /* copy to   target address [r1]    */
        cmp     r0, r2                  /* until source end address [r2]    */
        blo     copy_loop
 
@@ -226,7 +206,7 @@ copy_loop:
         * fix .rel.dyn relocations
         */
        ldr     r0, _TEXT_BASE          /* r0 <- Text base */
-       sub     r9, r7, r0              /* r9 <- relocation offset */
+       sub     r9, r6, 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 */
@@ -237,10 +217,10 @@ 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? */
+       and     r7, r1, #0xff
+       cmp     r7, #23                 /* relative fixup? */
        beq     fixrel
-       cmp     r8, #2                  /* absolute fixup? */
+       cmp     r7, #2                  /* absolute fixup? */
        beq     fixabs
        /* ignore unknown type of fixup */
        b       fixnext
@@ -249,7 +229,7 @@ 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 */
@@ -266,8 +246,7 @@ 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 */
+       mov     r4, r6                  /* reloc addr */
        add     r0, r0, r4
        add     r1, r1, r4
        mov     r2, #0x00000000         /* clear                            */
@@ -284,19 +263,19 @@ clbss_l:str       r2, [r0]                /* clear loop...                    */
  */
 #ifdef CONFIG_NAND_SPL
        ldr     r0, _nand_boot_ofs
-       adr     r1, _start
-       add     pc, r0, r1
-_nand_boot_ofs
-       : .word nand_boot - _start
+       mov     pc, r0
+
+_nand_boot_ofs:
+       .word nand_boot
 #else
 jump_2_ram:
        ldr     r0, _board_init_r_ofs
-       adr     r1, _start
+       ldr     r1, _TEXT_BASE
        add     lr, r0, r1
        add     lr, lr, r9
        /* setup parameters for board_init_r */
        mov     r0, r5          /* gd_t */
-       mov     r1, r7          /* dest_addr */
+       mov     r1, r6          /* dest_addr */
        /* jump to it ... */
        mov     pc, lr