From cdc69550d21f38c99a3c2428598f1a6f126e955e Mon Sep 17 00:00:00 2001
From: Yangbo Lu <yangbo.lu@freescale.com>
Date: Thu, 17 Sep 2015 10:27:12 +0800
Subject: [PATCH] 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 | 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 51ce9c328d..450cd0ddbd 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 f36b794969..5c20627c1c 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;
--
2.39.5