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>

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

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;