diff options
Diffstat (limited to 'arch/m68k/cpu/mcf530x/start.S')
| -rw-r--r-- | arch/m68k/cpu/mcf530x/start.S | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/m68k/cpu/mcf530x/start.S b/arch/m68k/cpu/mcf530x/start.S index 097958afda..ca8bb32063 100644 --- a/arch/m68k/cpu/mcf530x/start.S +++ b/arch/m68k/cpu/mcf530x/start.S @@ -126,21 +126,32 @@ _start: move.l %d0, (%a1) move.l %d0, (%a2) + /* put relocation table address to a5 */ + move.l #__got_start, %a5 + + /* setup stack initially on top of internal static ram */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE), %sp + /* - * set stackpointer to internal sram end - 80 - * (global data struct size + some bytes) - * get some stackspace for the first c-code, + * if configured, malloc_f arena will be reserved first, + * then (and always) gd struct space will be reserved */ - move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp - clr.l %sp@- + move.l %sp, -(%sp) + bsr board_init_f_alloc_reserve - /* put relocation table address to a5 */ - move.l #__got_start, %a5 + /* update stack and frame-pointers */ + move.l %d0, %sp + move.l %sp, %fp + + /* initialize reserved area */ + move.l %d0, -(%sp) + bsr board_init_f_init_reserve /* run low-level CPU init code (from flash) */ bsr cpu_init_f /* run low-level board init code (from flash) */ + clr.l %sp@- bsr board_init_f /* board_init_f() does not return */ |
