[U-Boot] [PATCH V2 2/4] arm: mx6: cm_fx6: detect 1GB DRAM correctly on solo

Nikita Kiryanov
2014-10-29T16:02:03Z

Forgot the changelog:

On 29/10/14 17:56, Nikita Kiryanov wrote:
> The 1GB DRAM configuration on mx6 solo uses 2 chip selects, but
> the code tests 1GB DRAM configuration as if it is all present on one
> chip select, and thus cannot see the full range of available memory.
>
> Refactor the check to detect 1GB DRAM correctly.
>
> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
> Cc: Igor Grinberg <grinberg@compulab.co.il>
> Cc: Stefano Babic <sbabic@denx.de>
> ---
Changes in V2:
- No changes.

> board/compulab/cm_fx6/spl.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/board/compulab/cm_fx6/spl.c b/board/compulab/cm_fx6/spl.c
> index 3948ba2..6fe937b 100644
> --- a/board/compulab/cm_fx6/spl.c
> +++ b/board/compulab/cm_fx6/spl.c
> @@ -235,10 +235,11 @@ static int cm_fx6_spl_dram_init(void)
>
> spl_mx6s_dram_init(DDR_32BIT_1GB, false);
> bank1_size = get_ram_size((long int *)PHYS_SDRAM_1, 0x80000000);
> - if (bank1_size == 0x40000000)
> - return 0;
> -
> + bank2_size = get_ram_size((long int *)PHYS_SDRAM_2, 0x80000000);
> if (bank1_size == 0x20000000) {
> + if (bank2_size == 0x20000000)
> + return 0;
> +
> spl_mx6s_dram_init(DDR_32BIT_512MB, true);
> return 0;
> }
>

--
Regards,
Nikita Kiryanov