[U-Boot] [PATCH 2/2] support blackfin board initialization in generic board_f

Sonic Zhang sonic.adi at gmail.com
Tue Jul 29 04:50:43 CEST 2014


Hi,

Any comment?

Regards,

Sonic

On Thu, Jul 24, 2014 at 10:47 AM, Sonic Zhang <sonic.adi at gmail.com> wrote:
> From: Sonic Zhang <sonic.zhang at analog.com>
>
> - init hardware watchdog if applicable
> - use CONFIG_SYS_MONITOR_LEN as the gd monitor len for Blackfin
> - reserve u-boot memory at the top field of the RAM for Blackfin
> - avoid refer to CONFIG_SYS_MONITOR_LEN, which is not defined by Blackfin
>
> Signed-off-by: Sonic Zhang <sonic.zhang at analog.com>
> ---
>
>  common/board_f.c | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)
>
> diff --git a/common/board_f.c b/common/board_f.c
> index bdab38e..079e1fa 100644
> --- a/common/board_f.c
> +++ b/common/board_f.c
> @@ -107,6 +107,9 @@ __weak void blue_led_off(void) {}
>  #if defined(CONFIG_WATCHDOG)
>  static int init_func_watchdog_init(void)
>  {
> +#ifdef CONFIG_HW_WATCHDOG
> +       hw_watchdog_init();
> +#endif
>         puts("       Watchdog enabled\n");
>         WATCHDOG_RESET();
>
> @@ -144,7 +147,11 @@ static int display_text_info(void)
>         bss_end = (ulong)&__bss_end;
>
>         debug("U-Boot code: %08X -> %08lX  BSS: -> %08lX\n",
> +#ifdef CONFIG_SYS_TEXT_BASE
>               CONFIG_SYS_TEXT_BASE, bss_start, bss_end);
> +#else
> +             CONFIG_SYS_MONITOR_BASE, bss_start, bss_end);
> +#endif
>  #endif
>
>  #ifdef CONFIG_MODEM_SUPPORT
> @@ -259,6 +266,8 @@ static int setup_mon_len(void)
>         gd->mon_len = (ulong)&__bss_end - (ulong)_start;
>  #elif defined(CONFIG_SANDBOX)
>         gd->mon_len = (ulong)&_end - (ulong)_init;
> +#elif defined(CONFIG_BLACKFIN)
> +       gd->mon_len = CONFIG_SYS_MONITOR_LEN;
>  #else
>         /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */
>         gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
> @@ -719,7 +728,9 @@ static int reloc_fdt(void)
>
>  static int setup_reloc(void)
>  {
> +#ifdef CONFIG_SYS_TEXT_BASE
>         gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE;
> +#endif
>         memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
>
>         debug("Relocation Offset is: %08lx\n", gd->reloc_off);
> @@ -802,7 +813,7 @@ static init_fnc_t init_sequence_f[] = {
>         /* TODO: can we rename this to timer_init()? */
>         init_timebase,
>  #endif
> -#if defined(CONFIG_ARM) || defined(CONFIG_MIPS)
> +#if defined(CONFIG_ARM) || defined(CONFIG_MIPS) || defined(CONFIG_BLACKFIN)
>         timer_init,             /* initialize timer */
>  #endif
>  #ifdef CONFIG_SYS_ALLOC_DPRAM
> @@ -901,6 +912,10 @@ static init_fnc_t init_sequence_f[] = {
>          *  - board info struct
>          */
>         setup_dest_addr,
> +#if defined(CONFIG_BLACKFIN)
> +       /* Blackfin u-boot monitor should be on top of the ram */
> +       reserve_uboot,
> +#endif
>  #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
>         reserve_logbuffer,
>  #endif
> @@ -921,7 +936,9 @@ static init_fnc_t init_sequence_f[] = {
>                 && !defined(CONFIG_ARM) && !defined(CONFIG_X86)
>         reserve_video,
>  #endif
> +#if !defined(CONFIG_BLACKFIN)
>         reserve_uboot,
> +#endif
>  #ifndef CONFIG_SPL_BUILD
>         reserve_malloc,
>         reserve_board,
> --
> 1.8.2.3
>
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