diff options
| author | Albert ARIBAUD \(3ADEV\) <albert.aribaud@3adev.fr> | 2015-01-16 09:09:50 +0100 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-29 12:00:50 -0500 |
| commit | 5bfdd1fc971126e4617ac1388b809a83b6ffa0e5 (patch) | |
| tree | 825dbaf41621a2bc7e3613fbc8b497a04321ba97 | |
| parent | d215b3e5e3e40235b5f644e5b66e2f16d110b117 (diff) | |
omap3: mmc: add 1.8v bias setting for MMC1
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/mmc_host_def.h | 1 | ||||
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap3/mmc_host_def.h b/arch/arm/include/asm/arch-omap3/mmc_host_def.h index 0ba621a1b82..9f2896c4b91 100644 --- a/arch/arm/include/asm/arch-omap3/mmc_host_def.h +++ b/arch/arm/include/asm/arch-omap3/mmc_host_def.h @@ -51,6 +51,7 @@ typedef struct t2 { #define PBIASLITEPWRDNZ0 (1 << 1) #define PBIASSPEEDCTRL0 (1 << 2) #define PBIASLITEPWRDNZ1 (1 << 9) +#define PBIASLITEVMODE0 (1 << 0) #define CTLPROGIO1SPEEDCTRL (1 << 20) diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index c880cedb0ad..dc725cb5b0d 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -134,6 +134,10 @@ static unsigned char mmc_board_init(struct mmc *mmc) pbias_lite = readl(&t2_base->pbias_lite); pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0); +#ifdef CONFIG_TARGET_OMAP3_CAIRO + /* for cairo board, we need to set up 1.8 Volt bias level on MMC1 */ + pbias_lite &= ~PBIASLITEVMODE0; +#endif writel(pbias_lite, &t2_base->pbias_lite); writel(pbias_lite | PBIASLITEPWRDNZ1 | |