Yangbo,
On 09/13/2015 08:04 PM, Yangbo Lu wrote:
> If adapter card type identification is supported for platform, we would
> enable dat[4:7] for eMMC4.5 card.
>
> Signed-off-by: Yangbo Lu <yangbo...@freescale.com>
> Cc: York Sun <york...@freescale.com>
> ---
> board/freescale/common/qixis.h | 2 ++
> drivers/mmc/fsl_esdhc.c | 3 +++
> 2 files changed, 5 insertions(+)
>
> diff --git a/board/freescale/common/qixis.h b/board/freescale/common/qixis.h
> index 51ce9c3..450cd0d 100644
> --- a/board/freescale/common/qixis.h
> +++ b/board/freescale/common/qixis.h
> @@ -127,6 +127,8 @@ void qixis_write_i2c(unsigned int reg, u8 value);
> #define QIXIS_ESDHC_NO_ADAPTER 0x7 /* No Card is Present*/
> #define QIXIS_SDCLKIN 0x08
> #define QIXIS_SDCLKOUT 0x02
> +#define QIXIS_DAT5_6_7 0X02
> +#define QIXIS_DAT4 0X01
> #endif
>
> #endif
> diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
> index 0b37002..639ec02 100644
> --- a/drivers/mmc/fsl_esdhc.c
> +++ b/drivers/mmc/fsl_esdhc.c
> @@ -747,6 +747,9 @@ void mmc_adapter_card_type_ident(void)
>
> switch (card_id) {
> case QIXIS_ESDHC_ADAPTER_TYPE_EMMC45:
> + value = QIXIS_READ(brdcfg[5]);
> + value |= (QIXIS_DAT4 | QIXIS_DAT5_6_7);
> + QIXIS_WRITE(brdcfg[5], value);
> break;
> case QIXIS_ESDHC_ADAPTER_TYPE_SDMMC_LEGACY:
> break;
>
Does any other board have this identification feature? I see the code only use
qixis. How are RDB and customer boards handled?
York
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