arm: Remove deprecated and now unused NAND SPL

[u-boot] / arch / arm / cpu / arm1176 / start.S

diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S
index 667a0e0c48631b1f34c5fec04d1e994abae390ae..a7cf728ff199f58d0dcb85233da3931fad4a9c30 100644 (file)
--- a/arch/arm/cpu/arm1176/start.S
+++ b/arch/arm/cpu/arm1176/start.S
@@ -51,7 +51,7 @@
 
 .globl _start
 _start: b      reset
-#ifndef CONFIG_NAND_SPL
+#ifndef CONFIG_SPL_BUILD
        ldr     pc, _undefined_instruction
        ldr     pc, _software_interrupt
        ldr     pc, _prefetch_abort
@@ -98,7 +98,11 @@ _end_vect:
 
 .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
 
 /*
  * Below variable is very important because we use MMU in U-Boot.
@@ -119,9 +123,13 @@ _TEXT_PHY_BASE:
 _bss_start_ofs:
        .word __bss_start - _start
 
+.globl _image_copy_end_ofs
+_image_copy_end_ofs:
+       .word __image_copy_end - _start
+
 .globl _bss_end_ofs
 _bss_end_ofs:
-       .word __bss_end__ - _start
+       .word __bss_end - _start
 
 .globl _end_ofs
 _end_ofs:
@@ -164,7 +172,7 @@ cpu_init_crit:
         * When booting from NAND - it has definitely been a reset, so, no need
         * to flush caches and disable the MMU
         */
-#ifndef CONFIG_NAND_SPL
+#ifndef CONFIG_SPL_BUILD
        /*
         * flush v4 I/D caches
         */
@@ -224,43 +232,29 @@ 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
 
 /*------------------------------------------------------------------------------*/
 
 /*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
+ * void relocate_code(addr_moni)
  *
+ * This function relocates 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 */
-
-       /* Set up the stack                                                 */
-stack_setup:
-       mov     sp, r4
+       mov     r6, r0  /* save addr of destination */
 
        adr     r0, _start
-       cmp     r0, r6
-       moveq   r9, #0          /* no relocation. relocation offset(r9) = 0 */
-       beq     clear_bss               /* skip relocation */
+       subs    r9, r6, r0              /* r9 <- relocation offset */
+       beq     relocate_done           /* skip relocation */
        mov     r1, r6                  /* r1 <- scratch for copy_loop */
-       ldr     r3, _bss_start_ofs
+       ldr     r3, _image_copy_end_ofs
        add     r2, r0, r3              /* r2 <- source end address         */
 
 copy_loop:
-       ldmia   r0!, {r9-r10}           /* copy from source address [r0]    */
-       stmia   r1!, {r9-r10}           /* copy to   target address [r1]    */
+       ldmia   r0!, {r10-r11}          /* copy from source address [r0]    */
+       stmia   r1!, {r10-r11}          /* copy to   target address [r1]    */
        cmp     r0, r2                  /* until source end address [r2]    */
        blo     copy_loop
 
@@ -269,7 +263,6 @@ copy_loop:
         * fix .rel.dyn relocations
         */
        ldr     r0, _TEXT_BASE          /* r0 <- Text base */
-       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 */
@@ -343,49 +336,9 @@ mmu_enable:
 skip_hw_init:
 #endif
 
-clear_bss:
-#ifndef CONFIG_SPL_BUILD
-       ldr     r0, _bss_start_ofs
-       ldr     r1, _bss_end_ofs
-       mov     r4, r6                  /* reloc addr */
-       add     r0, r0, r4
-       add     r1, r1, r4
-       mov     r2, #0x00000000         /* clear                            */
-
-clbss_l:cmp    r0, r1                  /* clear loop... */
-       bhs     clbss_e                 /* if reached end of bss, exit */
-       str     r2, [r0]
-       add     r0, r0, #4
-       b       clbss_l
-clbss_e:
-#ifndef CONFIG_NAND_SPL
-       bl coloured_LED_init
-       bl red_led_on
-#endif
-#endif
+relocate_done:
 
-/*
- * 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
-
-_board_init_r_ofs:
-       .word board_init_r - _start
-#endif
+       bx      lr
 
 _rel_dyn_start_ofs:
        .word __rel_dyn_start - _start
@@ -399,7 +352,12 @@ _mmu_table_base:
        .word mmu_table
 #endif
 
-#ifndef CONFIG_NAND_SPL
+       .globl  c_runtime_cpu_setup
+c_runtime_cpu_setup:
+
+       mov     pc, lr
+
+#ifndef CONFIG_SPL_BUILD
 /*
  * we assume that cache operation is done before. (eg. cleanup_before_linux())
  * actually, we don't need to do anything about cache if not use d-cache in
@@ -577,4 +535,4 @@ fiq:
        get_bad_stack
        bad_save_user_regs
        bl      do_fiq
-#endif /* CONFIG_NAND_SPL */
+#endif /* CONFIG_SPL_BUILD */