Merge branch 'master' of git://git.denx.de/u-boot-i2c

[oweals/u-boot.git] / arch / arm / cpu / pxa / start.S

diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index 96bfb5484195d81d2f1372b7eba610c4307ba41a..ae358a56e61f816d4c87930a022f07c5e7ba48e8 100644 (file)
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -29,10 +29,10 @@
  * MA 02111-1307 USA
  */
 
+#include <asm-offsets.h>
 #include <config.h>
 #include <version.h>
 #include <asm/arch/pxa-regs.h>
-#include <asm/arch/macro.h>
 
 /* takes care the CP15 update has taken place */
 .macro CPWAIT reg
@@ -250,7 +250,6 @@ stack_setup:
        cmp     r0, r6
        beq     clear_bss
 
-#ifndef CONFIG_SKIP_RELOCATE_UBOOT
        stmfd sp!, {r0-r12}
 copy_loop:
        ldmia   r0!, {r3-r5, r7-r11}    /* copy from source address [r0]    */
@@ -298,8 +297,7 @@ fixnext:
        add     r2, r2, #8      /* each rel.dyn entry is 8 bytes */
        cmp     r2, r3
        blo     fixloop
-#endif
-#endif /* #ifndef CONFIG_SKIP_RELOCATE_UBOOT */
+#endif /* #ifndef CONFIG_PRELOADER */
 
 clear_bss:
 #ifndef CONFIG_PRELOADER
@@ -315,7 +313,7 @@ clbss_l:str r2, [r0]                /* clear loop...                    */
        add     r0, r0, #4
        cmp     r0, r1
        bne     clbss_l
-#endif
+#endif /* #ifndef CONFIG_PRELOADER */
 
 /*
  * We are done. Do not return, instead branch to second part of board
@@ -330,8 +328,8 @@ _start_oneboot_ofs
 #else
        ldr     r0, _board_init_r_ofs
        adr     r1, _start
-       add     r0, r0, r1
-       add     lr, r0, r9
+       add     lr, r0, r1
+       add     lr, lr, r9
        /* setup parameters for board_init_r */
        mov     r0, r5          /* gd_t */
        mov     r1, r7          /* dest_addr */
@@ -340,7 +338,7 @@ _start_oneboot_ofs
 
 _board_init_r_ofs:
        .word board_init_r - _start
-#endif
+#endif /* CONFIG_ONENAND_IPL */
 
 _rel_dyn_start_ofs:
        .word __rel_dyn_start - _start
@@ -349,7 +347,7 @@ _rel_dyn_end_ofs:
 _dynsym_start_ofs:
        .word __dynsym_start - _start
 
-#else /* #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC) */
+#else /* CONFIG_PRELOADER */
 
 /****************************************************************************/
 /*                                                                         */
@@ -374,7 +372,7 @@ reset:
        /* Start OneNAND IPL */
        ldr     pc, =start_oneboot
 
-#endif /* #if !defined(CONFIG_ONENAND_IPL) */
+#endif /* CONFIG_PRELOADER */
 
 #ifndef CONFIG_PRELOADER
 /****************************************************************************/
@@ -416,13 +414,7 @@ reset:
        stmia   sp, {r0 - r12}                  /* Calling r0-r12           */
        add     r8, sp, #S_PC
 
-#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
-       ldr     r2, _armboot_start
-       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
-#else
        ldr     r2, IRQ_STACK_START_IN
-#endif
        ldmia   r2, {r2 - r4}                   /* get pc, cpsr, old_r0     */
        add     r0, sp, #S_FRAME_SIZE           /* restore sp_SVC           */
 
@@ -457,13 +449,7 @@ reset:
        .endm
 
        .macro get_bad_stack
-#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
-       ldr     r13, _armboot_start             @ setup our mode 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
-#else
        ldr     r13, IRQ_STACK_START_IN         @ setup our mode stack
-#endif
 
        str     lr, [r13]                       @ save caller lr / spsr
        mrs     lr, spsr
@@ -482,7 +468,7 @@ reset:
        .macro get_fiq_stack                    @ setup FIQ stack
        ldr     sp, FIQ_STACK_START
        .endm
-#endif /* CONFIG_PRELOADER */
+#endif /* CONFIG_PRELOADER
 
 
 /****************************************************************************/
@@ -496,7 +482,7 @@ reset:
 do_hang:
        ldr     sp, _TEXT_BASE                  /* use 32 words abort stack */
        bl      hang                            /* hang and never return */
-#else  /* !CONFIG_PRELOADER */
+#else
        .align  5
 undefined_instruction:
        get_bad_stack
@@ -566,13 +552,7 @@ fiq:
 /*                                                                         */
 /****************************************************************************/
 /* Operating System Timer */
-OSTIMER_BASE:  .word   0x40a00000
-#define OSMR3  0x0C
-#define OSCR   0x10
-#define OWER   0x18
-#define OIER   0x1C
-
-       .align  5
+.align 5
 .globl reset_cpu
 
        /* FIXME: this code is PXA250 specific. How is this handled on      */
@@ -582,18 +562,20 @@ reset_cpu:
 
        /* We set OWE:WME (watchdog enable) and wait until timeout happens  */
 
-       ldr     r0, OSTIMER_BASE
-       ldr     r1, [r0, #OWER]
+       ldr     r0, =OWER
+       ldr     r1, [r0]
        orr     r1, r1, #0x0001                 /* bit0: WME                */
-       str     r1, [r0, #OWER]
+       str     r1, [r0]
 
        /* OS timer does only wrap every 1165 seconds, so we have to set    */
        /* the match register as well.                                      */
 
-       ldr     r1, [r0, #OSCR]                 /* read OS timer            */
+       ldr     r0, =OSCR
+       ldr     r1, [r0]                        /* read OS timer            */
        add     r1, r1, #0x800                  /* let OSMR3 match after    */
        add     r1, r1, #0x800                  /* 4096*(1/3.6864MHz)=1ms   */
-       str     r1, [r0, #OSMR3]
+       ldr     r0, =OSMR3
+       str     r1, [r0]
 
 reset_endless:
 
@@ -619,4 +601,4 @@ mmu_table:
        .word   (__base << 20) | 0xc12
        .set    __base, __base + 1
        .endr
-#endif
+#endif /* CONFIG_PRELOADER */