diff options
| 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.h | |
| parent | 8e797a7e4f588fb3b9cfe9860b00dcd3b14f8b60 (diff) | |
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.h')
| -rw-r--r-- | drivers/mmc/host/mmci.h | 6 |
1 files changed, 4 insertions, 2 deletions
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 |