[U-Boot] [PATCH 3/4] OneNAND: Introduce CONFIG_SYS_IPL_LOAD_ADDR

[Kyungmin Park]

Acked-by: Kyungmin Park <kyungmin.park at samsung.com>

On Sun, Oct 3, 2010 at 2:33 AM, Marek Vasut <marek.vasut at gmail.com> wrote:
> This allows to specify where the OneNAND IPL should load the U-Boot binary. The
> purpose of CONFIG_SYS_LOAD_ADDR is different I believe.
>
> On PXA, this is needed with OneNAND memories that expose only first 1kb of data,
> which is insufficient for SDRAM init. U-Boot can then be copied into SRAM.
>
> Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> ---
>  include/configs/apollon.h  |    1 +
>  onenand_ipl/onenand_boot.c |    4 ++--
>  2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/include/configs/apollon.h b/include/configs/apollon.h
> index c1295de..d34e24d 100644
> --- a/include/configs/apollon.h
> +++ b/include/configs/apollon.h
> @@ -199,6 +199,7 @@
>
>  /* default load address */
>  #define        CONFIG_SYS_LOAD_ADDR    (OMAP2420_SDRC_CS0)
> +#define        CONFIG_SYS_IPL_LOAD_ADDR        (OMAP2420_SDRC_CS0)
>
>  /* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2)
>  * or by 32KHz clk, or from external sig. This rate is divided by a local
> diff --git a/onenand_ipl/onenand_boot.c b/onenand_ipl/onenand_boot.c
> index 22baebb..2a0c7ce 100644
> --- a/onenand_ipl/onenand_boot.c
> +++ b/onenand_ipl/onenand_boot.c
> @@ -33,11 +33,11 @@ void start_oneboot(void)
>  {
>        uchar *buf;
>
> -       buf = (uchar *) CONFIG_SYS_LOAD_ADDR;
> +       buf = (uchar *) CONFIG_SYS_IPL_LOAD_ADDR;
>
>        onenand_read_block(buf);
>
> -       ((init_fnc_t *)CONFIG_SYS_LOAD_ADDR)();
> +       ((init_fnc_t *)CONFIG_SYS_IPL_LOAD_ADDR)();
>
>        /* should never come here */
>  }
> --
> 1.7.1
>
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