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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-10-26 07:54:25 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-10-26 07:54:25 +0200
commit4c25761337570e63e9e2631a81de221e692251e3 (patch)
treef288433990a6bec1c42261690ac573d0316f3d48 /drivers
parentc68436fa427a69ea308d74c410067507d6c7103b (diff)
parent9924ca6e9b1933b8ea2bb0ca49fe67df9856ccc5 (diff)
downloadu-boot-linaro-stable-4c25761337570e63e9e2631a81de221e692251e3.tar.gz
Merge remote-tracking branch 'u-boot-atmel/master'
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/gen_atmel_mci.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c
index 4968c5e49..67b2dbe8d 100644
--- a/drivers/mmc/gen_atmel_mci.c
+++ b/drivers/mmc/gen_atmel_mci.c
@@ -87,6 +87,11 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
| MMCI_BF(BLKLEN, blklen)
| MMCI_BIT(RDPROOF)
| MMCI_BIT(WRPROOF)), &mci->mr);
+ /*
+ * On some new platforms BLKLEN in mci->mr is ignored.
+ * Should use the BLKLEN in the block register.
+ */
+ writel(MMCI_BF(BLKLEN, blklen), &mci->blkr);
initialized = 1;
}
@@ -183,6 +188,12 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
/* Figure out the transfer arguments */
cmdr = mci_encode_cmd(cmd, data, &error_flags);
+ /* For multi blocks read/write, set the block register */
+ if ((cmd->cmdidx == MMC_CMD_READ_MULTIPLE_BLOCK)
+ || (cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK))
+ writel(data->blocks | MMCI_BF(BLKLEN, mmc->read_bl_len),
+ &mci->blkr);
+
/* Send the command */
writel(cmd->cmdarg, &mci->argr);
writel(cmdr, &mci->cmdr);
@@ -310,8 +321,8 @@ static int mci_init(struct mmc *mmc)
writel(MMCI_BIT(MCIEN), &mci->cr); /* enable mci */
writel(MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr); /* select port */
- /* Initial Time-outs */
- writel(0x5f, &mci->dtor);
+ /* This delay can be optimized, but stick with max value */
+ writel(0x7f, &mci->dtor);
/* Disable Interrupts */
writel(~0UL, &mci->idr);