[U-Boot] [PATCH 8/9] mxs: Fix MMC reset to avoid write errors and timeout in iMX23

[Otavio Salvador]

This does the same reset mask as done in v3.7 Linux kernel code; it
fixed the saveenv command in mx23evk.

Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---
 drivers/mmc/mxsmmc.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index 618659e..0a3f0c4 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -354,11 +354,17 @@ static int mxsmmc_init(struct mmc *mmc)
 	/* Reset SSP */
 	mxs_reset_block(&ssp_regs->hw_ssp_ctrl0_reg);
 
-	/* 8 bits word length in MMC mode */
-	clrsetbits_le32(&ssp_regs->hw_ssp_ctrl1,
-		SSP_CTRL1_SSP_MODE_MASK | SSP_CTRL1_WORD_LENGTH_MASK |
-		SSP_CTRL1_DMA_ENABLE,
-		SSP_CTRL1_SSP_MODE_SD_MMC | SSP_CTRL1_WORD_LENGTH_EIGHT_BITS);
+	/* Reset MMC */
+	writel(SSP_CTRL1_SSP_MODE_SD_MMC |
+		SSP_CTRL1_WORD_LENGTH_EIGHT_BITS |
+		SSP_CTRL1_DMA_ENABLE |
+		SSP_CTRL1_POLARITY |
+		SSP_CTRL1_RECV_TIMEOUT_IRQ_EN |
+		SSP_CTRL1_DATA_CRC_IRQ_EN |
+		SSP_CTRL1_DATA_TIMEOUT_IRQ_EN |
+		SSP_CTRL1_RESP_TIMEOUT_IRQ_EN |
+		SSP_CTRL1_RESP_ERR_IRQ_EN,
+		&ssp_regs->hw_ssp_ctrl1_set);
 
 	/* Set initial bit clock 400 KHz */
 	mxs_set_ssp_busclock(priv->id, 400);
-- 
1.8.1