[U-Boot] [PATCH] powerpc/c29xpcie: Getting DDR SPD image from 16-bit sub-address EEPROM
York Sun
yorksun at freescale.com
Fri Sep 20 21:03:03 CEST 2013
On 08/20/2013 11:26 PM, Po Liu wrote:
> Currently, there is only one EEPROM on c29xpcie board which isAT24C1024.
> We program the SPD data at beginning of the AT24C1024.But the AT24C1024
> has a 16-bit sub-address mode. This patch is tomake it work when getting
> SPD in a 16-bit sub-address EEPROM.
>
> Signed-off-by: Po Liu <Po.Liu at freescale.com>
> ---
> board/freescale/c29xpcie/ddr.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/board/freescale/c29xpcie/ddr.c b/board/freescale/c29xpcie/ddr.c
> index 3337d6c..28f1bd2 100644
> --- a/board/freescale/c29xpcie/ddr.c
> +++ b/board/freescale/c29xpcie/ddr.c
> @@ -84,3 +84,15 @@ void fsl_ddr_board_options(memctl_options_t *popts,
> popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS;
> }
> }
> +
> +void get_spd(generic_spd_eeprom_t *spd, u8 i2c_address)
> +{
> + int ret = i2c_read(i2c_address, 0, 2, (uchar *)spd,
> + sizeof(generic_spd_eeprom_t));
> +
> + if (ret) {
> + printf("DDR: failed to read SPD from address %u\n",
> + i2c_address);
> + memset(spd, 0, sizeof(generic_spd_eeprom_t));
> + }
> +}
>
Please fix the compiling warning. You need to include i2c.h, per
internal review.
York
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