diff options
| author | huang lin | 2015-11-17 14:20:22 +0800 |
|---|---|---|
| committer | Simon Glass | 2015-12-01 08:07:22 -0700 |
| commit | a65f51b97886f0b1d911eb1ea951fce9efd1700f (patch) | |
| tree | 8643901d9ba712fb8eb6a5ea67d9a5fe02158472 /include/dwmmc.h | |
| parent | f382eb833a06cf3d7cbf17603876a1fabca49144 (diff) | |
mmc: dw_mmc: support fifo mode in dwc mmc driver
some soc(rk3036 etc) use dw_mmc but do not have internal dma,
so we implement fifo mode to read and write data.
Signed-off-by: Lin Huang <hl@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dwmmc.h')
| -rw-r--r-- | include/dwmmc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/dwmmc.h b/include/dwmmc.h index 25cf42c606c..05b0817fe1e 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -105,6 +105,8 @@ /* Status Register */ #define DWMCI_BUSY (1 << 9) +#define DWMCI_FIFO_MASK 0x1ff +#define DWMCI_FIFO_SHIFT 17 /* FIFOTH Register */ #define MSIZE(x) ((x) << 28) @@ -180,6 +182,9 @@ struct dwmci_host { unsigned int (*get_mmc_clk)(struct dwmci_host *host, uint freq); struct mmc_config cfg; + + /* use fifo mode to read and write data */ + bool fifo_mode; }; struct dwmci_idmac { |