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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 <yangbo.lu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Yangbo Lu 2015-09-17 10:27:12 +08:00 committed by York Sun
parent 512bdbd46a
commit cdc69550d2
2 changed files with 5 additions and 0 deletions
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2
board/freescale/common/qixis.h
View File

@ -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

3
drivers/mmc/fsl_esdhc.c
View File

@ -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;