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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2012-04-16 21:47:16 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-04-17 22:02:54 +0200 |
| commit | b1109600d403ee05060ab2c8294b7a9aba34d266 (patch) | |
| tree | 4ae108e45e0646aef5f99c767333e60740cf6fd7 /drivers | |
| parent | 0f0d40217f83596b93ff12cdb589931f8d9c3fa4 (diff) | |
| download | barebox-b1109600d403ee05060ab2c8294b7a9aba34d266.tar.gz barebox-b1109600d403ee05060ab2c8294b7a9aba34d266.tar.xz | |
mci: pxamci fix CMD12 handling
The pxamci requires a bit to be set in the command control
register when a CMD12 is sent. Set it, as required in the
PXA Developer Manuel, chapter "Stop Data Transmission
Command (CMD12 or IO/Abort with CMD52)".
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mci/pxamci.c | 3 | ||||
| -rw-r--r-- | drivers/mci/pxamci.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mci/pxamci.c b/drivers/mci/pxamci.c index f251d75f4e..c51fb771a0 100644 --- a/drivers/mci/pxamci.c +++ b/drivers/mci/pxamci.c @@ -188,6 +188,9 @@ static void pxamci_start_cmd(struct pxamci_host *host, struct mci_cmd *cmd, break; } + if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) + cmdat |= CMDAT_STOP_TRAN; + mmc_writel(cmd->cmdidx, MMC_CMD); mmc_writel(cmd->cmdarg >> 16, MMC_ARGH); mmc_writel(cmd->cmdarg & 0xffff, MMC_ARGL); diff --git a/drivers/mci/pxamci.h b/drivers/mci/pxamci.h index 18d12a3038..07dea451c1 100644 --- a/drivers/mci/pxamci.h +++ b/drivers/mci/pxamci.h @@ -40,6 +40,7 @@ #define MMC_CMDAT 0x0010 #define CMDAT_SDIO_INT_EN (1 << 11) +#define CMDAT_STOP_TRAN (1 << 10) #define CMDAT_SD_4DAT (1 << 8) #define CMDAT_DMAEN (1 << 7) #define CMDAT_INIT (1 << 6) |