diff options
| author | Seungwon Jeon <tgih.jun@samsung.com> | 2013-08-30 19:13:42 +0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-09-26 05:34:18 +0400 |
| commit | 524268990e54dab9bd71a984b70c13ce0eb1c525 (patch) | |
| tree | 52d312fc3b56492a6e4e7558aa09bef609523a69 /drivers/mmc/host/dw_mmc.h | |
| parent | 1f44a2a55787faa08a50266fa5dc99f0dcd36b7c (diff) | |
| download | linux-524268990e54dab9bd71a984b70c13ce0eb1c525.tar.xz | |
mmc: dw_mmc: adjust the fifoth with block size
This change helps to choose msize, rx_watermark and tx_watermark
depending on block size for IDMAC mode. For SDIO block size can be
variable, so if these values are set incorrectly, card clock may stop.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.h')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index b281fdc6835f..a0f2f8d35f5d 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -128,6 +128,10 @@ #define SDMMC_CMD_INDX(n) ((n) & 0x1F) /* Status register defines */ #define SDMMC_GET_FCNT(x) (((x)>>17) & 0x1FFF) +/* FIFOTH register defines */ +#define SDMMC_SET_FIFOTH(m, r, t) (((m) & 0x7) << 28 | \ + ((r) & 0xFFF) << 16 | \ + ((t) & 0xFFF)) /* Internal DMAC interrupt defines */ #define SDMMC_IDMAC_INT_AI BIT(9) #define SDMMC_IDMAC_INT_NI BIT(8) |