> -----Original Message-----
> From: Holger Brunck [mailto:holger.bru...@keymile.com]
> Sent: 20 July 2012 18:04
> To: u-boot@lists.denx.de
> Cc: Gerlando Falauto; Holger Brunck; Prafulla Wadaskar; Valentin
> Longchamp; Marek Vasut
> Subject: [PATCH v3 3/4] kirkwood: implement kw_sdram_size_adjust
>
> From: Gerlando Falauto <gerlando.fala...@keymile.com>
>
> Size of the SDRAM chips might differ between any two (otherwise
> identical) instances of the same board. So add a function which reads
> out the current ram size and set them in the SDRAM size register of
> kirkwood.
>
> Signed-off-by: Gerlando Falauto <gerlando.fala...@keymile.com>
> Signed-off-by: Holger Brunck <holger.bru...@keymile.com>
> cc: Prafulla Wadaskar <prafu...@marvell.com>
> cc: Valentin Longchamp <valentin.longch...@keymile.com>
> cc: Marek Vasut <ma...@denx.de>
> ---
> chages for v3:
> - rename dram_size_fixup to kw_sdramsize_adjust and move them to
> kirkwood/dram.c
>
> changes for v2:
> - rebase to current u-boot-marvell.git master branch
>
> arch/arm/cpu/arm926ejs/kirkwood/dram.c | 11 +++++++++++
> arch/arm/include/asm/arch-kirkwood/cpu.h | 1 +
> 2 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/cpu/arm926ejs/kirkwood/dram.c
> b/arch/arm/cpu/arm926ejs/kirkwood/dram.c
> index 5e2f9d8..9f97964 100644
> --- a/arch/arm/cpu/arm926ejs/kirkwood/dram.c
> +++ b/arch/arm/cpu/arm926ejs/kirkwood/dram.c
> @@ -97,6 +97,17 @@ u32 kw_sdram_bs(enum memory_bank bank)
> return result;
> }
>
> +void kw_sdram_size_adjust(void)
I think you must pass bank_id to this function so that one can tune any/all of
the four available DRAM banks.
Regards..
Prafulla . . .
> +{
> + u32 size;
> +
> + /* probe currently equipped RAM size */
> + size = get_ram_size((void *)kw_sdram_bar(0), kw_sdram_bs(0));
> +
> + /* adjust SDRAM window size accordingly */
> + kw_sdram_bs_set(0, size);
> +}
> +
> #ifndef CONFIG_SYS_BOARD_DRAM_INIT
> int dram_init(void)
> {
> diff --git a/arch/arm/include/asm/arch-kirkwood/cpu.h
> b/arch/arm/include/asm/arch-kirkwood/cpu.h
> index d28c51a..128393c 100644
> --- a/arch/arm/include/asm/arch-kirkwood/cpu.h
> +++ b/arch/arm/include/asm/arch-kirkwood/cpu.h
> @@ -159,6 +159,7 @@ void reset_cpu(unsigned long ignored);
> unsigned char get_random_hex(void);
> unsigned int kw_sdram_bar(enum memory_bank bank);
> unsigned int kw_sdram_bs(enum memory_bank bank);
> +void kw_sdram_size_adjust(void);
> int kw_config_adr_windows(void);
> void kw_config_gpio(unsigned int gpp0_oe_val, unsigned int
> gpp1_oe_val,
> unsigned int gpp0_oe, unsigned int gpp1_oe);
> --
> 1.7.1
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