imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01

[karo-tx-uboot.git] / cpu / arm926ejs / start.S

diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S
index 725c6639a1e506054d74a7642291d5c058b5277f..31bdcf0fbffce1733ec02e2d16030a91fd9bef47 100755 (executable)
--- a/cpu/arm926ejs/start.S
+++ b/cpu/arm926ejs/start.S
@@ -7,7 +7,7 @@
  *
  *  Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
  *  Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
- *  Copyright (c) 2002 Gary Jennejohn <gj@denx.de>
+ *  Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
  *  Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
  *  Copyright (c) 2003 Kshitij <kshitij@ti.com>
  *
@@ -32,6 +32,7 @@
 
 
 #include <config.h>
+#include <common.h>
 #include <version.h>
 
 #if defined(CONFIG_OMAP1610)
@@ -125,7 +126,7 @@ FIQ_STACK_START:
 /*
  * the actual reset code
  */
-
+.globl reset
 reset:
        /*
         * set the cpu to SVC32 mode
@@ -165,8 +166,8 @@ copy_loop:
        /* Set up the stack                                                 */
 stack_setup:
        ldr     r0, _TEXT_BASE          /* upper 128 KiB: relocated uboot   */
-       sub     r0, r0, #CFG_MALLOC_LEN /* malloc area                      */
-       sub     r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo                        */
+       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
@@ -175,13 +176,16 @@ stack_setup:
 clear_bss:
        ldr     r0, _bss_start          /* find start of bss segment        */
        ldr     r1, _bss_end            /* stop here                        */
-       mov     r2, #0x00000000         /* clear                            */
+       mov     r2, #0x00000000         /* clear                            */
 
 clbss_l:str    r2, [r0]                /* clear loop...                    */
        add     r0, r0, #4
        cmp     r0, r1
        ble     clbss_l
 
+       bl coloured_LED_init
+       bl red_LED_on
+
        ldr     pc, _start_armboot
 
 _start_armboot:
@@ -198,8 +202,7 @@ _start_armboot:
  *
  *************************************************************************
  */
-
-
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
 cpu_init_crit:
        /*
         * flush v4 I/D caches
@@ -225,6 +228,8 @@ cpu_init_crit:
        bl      lowlevel_init   /* go setup pll,mux,memory */
        mov     lr, ip          /* restore link */
        mov     pc, lr          /* back to my caller */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
 /*
  *************************************************************************
  *
@@ -272,8 +277,8 @@ cpu_init_crit:
        stmia   sp, {r0 - r12}  @ Save user registers (now in svc mode) r0-r12
 
        ldr     r2, _armboot_start
-       sub     r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN)
-       sub     r2, r2, #(CFG_GBL_DATA_SIZE+8)  @ set base 2 words into abort stack
+       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
        @ get values for "aborted" pc and cpsr (into parm regs)
        ldmia   r2, {r2 - r3}
        add     r0, sp, #S_FRAME_SIZE           @ grab pointer to old stack
@@ -306,8 +311,8 @@ cpu_init_crit:
 
        .macro get_bad_stack
        ldr     r13, _armboot_start             @ setup our mode stack
-       sub     r13, r13, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN)
-       sub     r13, r13, #(CFG_GBL_DATA_SIZE+8) @ reserved a couple spots in abort 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
 
        str     lr, [r13]       @ save caller lr in position 0 of saved stack
        mrs     lr, spsr        @ get the spsr
@@ -366,7 +371,7 @@ not_used:
 irq:
        get_irq_stack
        irq_save_user_regs
-       bl      do_irq
+       bl      do_irq
        irq_restore_user_regs
 
        .align  5
@@ -374,7 +379,7 @@ fiq:
        get_fiq_stack
        /* someone ought to write a more effiction fiq_save_user_regs */
        irq_save_user_regs
-       bl      do_fiq
+       bl      do_fiq
        irq_restore_user_regs
 
 #else