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mmc: omap_hsmmc: Enable Auto command (CMD12) enable

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Instead of sending STOP TRANSMISSION command from MMC core, enable
the auto command feature so that the Host Controller issues CMD12
automatically when last block transfer is completed.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Kishon Vijay Abraham I 2017-09-21 16:51:35 +02:00 committed by Tom Rini
parent f0d53e88a6
commit 866bb98468
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/omap_hsmmc.c
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@ -494,6 +494,10 @@ static int omap_hsmmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
ulong start;
mmc_base = priv->base_addr;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
return 0;
start = get_timer(0);
while ((readl(&mmc_base->pstate) & (DATI_MASK | CMDI_MASK)) != 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
@ -550,7 +554,7 @@ static int omap_hsmmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
if (data) {
if ((cmd->cmdidx == MMC_CMD_READ_MULTIPLE_BLOCK) ||
(cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK)) {
flags |= (MSBS_MULTIBLK | BCE_ENABLE);
flags |= (MSBS_MULTIBLK | BCE_ENABLE | ACEN_ENABLE);
data->blocksize = 512;
writel(data->blocksize | (data->blocks << 16),
&mmc_base->blk);