On 28/07/2017 14:49, Jaehoon Chung wrote:
Hi,
On 07/12/2017 01:20 AM, Jean-Jacques Hiblot wrote:
From: Kishon Vijay Abraham I <kis...@ti.com>
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 <kis...@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
---
drivers/mmc/omap_hsmmc.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 3419dc5..3ee81bb 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -490,6 +490,10 @@ 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;
Just i wonder that there is no side-effect..I'm not sure that all omap SoCs can
be supported Auto command12.
AFAIK it's supported.
Kishon,
can you confirm ?
JJ
Best Regards,
Jaehoon Chung
+
start = get_timer(0);
while ((readl(&mmc_base->pstate) & (DATI_MASK | CMDI_MASK)) != 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
@@ -546,7 +550,7 @@ 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);
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
