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

Kyungmin Park
2010-10-03T06:40:55Z

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

On Sun, Oct 3, 2010 at 2:33 AM, Marek Vasut <marek.vasut@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@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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