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authorSeungwon Jeon <tgih.jun@samsung.com>2013-08-30 19:13:42 +0400
committerChris Ball <cjb@laptop.org>2013-09-26 05:34:18 +0400
commit524268990e54dab9bd71a984b70c13ce0eb1c525 (patch)
tree52d312fc3b56492a6e4e7558aa09bef609523a69 /drivers/mmc/host/dw_mmc.h
parent1f44a2a55787faa08a50266fa5dc99f0dcd36b7c (diff)
downloadlinux-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.h4
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)