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| author | angelo@sysam.it <angelo@sysam.it> | 2016-04-27 21:50:44 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-05-17 09:54:43 -0600 |
| commit | 5044c9cc6c4dffb2959769a785663f46cb418461 (patch) | |
| tree | 3ca99b08de48e0ceff100d5d84bb183a44243a80 /arch/m68k/cpu/mcf530x | |
| parent | 037734393ef6181e87d85be15468af4baee70b42 (diff) | |
| download | u-boot-imx-5044c9cc6c4dffb2959769a785663f46cb418461.zip u-boot-imx-5044c9cc6c4dffb2959769a785663f46cb418461.tar.gz u-boot-imx-5044c9cc6c4dffb2959769a785663f46cb418461.tar.bz2 | |
m68k: add malloc memory for early malloc
To use serial uclass and DM, CONFIG_SYS_MALLOC_F must be used.
So CONFIG_SYS_GENERIC_GLOBAL_DATA has been undefined and
call to board_init_f_mem() is added for all cpu's.
Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/m68k/cpu/mcf530x')
| -rw-r--r-- | arch/m68k/cpu/mcf530x/cpu_init.c | 2 | ||||
| -rw-r--r-- | arch/m68k/cpu/mcf530x/start.S | 25 |
2 files changed, 19 insertions, 8 deletions
diff --git a/arch/m68k/cpu/mcf530x/cpu_init.c b/arch/m68k/cpu/mcf530x/cpu_init.c index 80dc239..b09eed8 100644 --- a/arch/m68k/cpu/mcf530x/cpu_init.c +++ b/arch/m68k/cpu/mcf530x/cpu_init.c @@ -142,7 +142,7 @@ int cpu_init_r(void) return 0; } -void uart_port_conf(void) +void uart_port_conf(int port) { } diff --git a/arch/m68k/cpu/mcf530x/start.S b/arch/m68k/cpu/mcf530x/start.S index 097958a..ca8bb32 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 */ |