From: Yangbo Lu Date: Thu, 17 Sep 2015 02:27:12 +0000 (+0800) Subject: mmc: fsl_esdhc: enable dat[4:7] for eMMC4.5 Adapter Card X-Git-Tag: v2016.01-rc1~141 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cdc69550d21f38c99a3c2428598f1a6f126e955e;p=platform%2Fkernel%2Fu-boot.git mmc: fsl_esdhc: enable dat[4:7] for eMMC4.5 Adapter Card If adapter card type identification is supported for platform, we would enable dat[4:7] for eMMC4.5 Adapter Card. Signed-off-by: Yangbo Lu Reviewed-by: York Sun --- 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 f36b794..5c20627 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -748,6 +748,9 @@ 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;