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| author | Linus Walleij <linus.walleij@stericsson.com> | 2010-04-08 07:38:52 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-04-14 16:08:17 +0100 |
| commit | 771dc157e06d69fcece0b2c8a29b9010345d8e9a (patch) | |
| tree | 69fb6b536735af812feca84a734d869e57844b47 /drivers/mmc/host/mmci.c | |
| parent | 8e797a7e4f588fb3b9cfe9860b00dcd3b14f8b60 (diff) | |
| download | kernel_samsung_smdk4412-771dc157e06d69fcece0b2c8a29b9010345d8e9a.zip kernel_samsung_smdk4412-771dc157e06d69fcece0b2c8a29b9010345d8e9a.tar.gz kernel_samsung_smdk4412-771dc157e06d69fcece0b2c8a29b9010345d8e9a.tar.bz2 | |
ARM: 6032/1: ARM: MMCI: support 8bit mode on the ST Micro version
This adds support for an 8bit wide bus to the card (data lines
MCIDAT0 through 7 exist) on the ST Micro version and alters the
U300 platform to support this. Also add some ST_ prefix to the
ST-specific registers.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/mmc/host/mmci.c')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 84c103a..7e70c1a 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); } |