diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 6 | ||||
| -rw-r--r-- | drivers/mmc/host/mmci.h | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 84c103a7ee1..7e70c1a06d8 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -55,14 +55,16 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired) host->cclk = host->mclk / (2 * (clk + 1)); } if (host->hw_designer == AMBA_VENDOR_ST) - clk |= MCI_FCEN; /* Bug fix in ST IP block */ + clk |= MCI_ST_FCEN; /* Bug fix in ST IP block */ clk |= MCI_CLK_ENABLE; /* This hasn't proven to be worthwhile */ /* clk |= MCI_CLK_PWRSAVE; */ } if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) - clk |= MCI_WIDE_BUS; + clk |= MCI_4BIT_BUS; + if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8) + clk |= MCI_ST_8BIT_BUS; writel(clk, host->base + MMCICLOCK); } diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 1ceb9a90f59..d77062e5e3a 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -25,9 +25,11 @@ #define MCI_CLK_ENABLE (1 << 8) #define MCI_CLK_PWRSAVE (1 << 9) #define MCI_CLK_BYPASS (1 << 10) -#define MCI_WIDE_BUS (1 << 11) +#define MCI_4BIT_BUS (1 << 11) +/* 8bit wide buses supported in ST Micro versions */ +#define MCI_ST_8BIT_BUS (1 << 12) /* HW flow control on the ST Micro version */ -#define MCI_FCEN (1 << 13) +#define MCI_ST_FCEN (1 << 13) #define MMCIARGUMENT 0x008 #define MMCICOMMAND 0x00c |