ARM: OMAP: Mark Beagleboard-xM MMC bus as 4-bit
On Beagleboard-xM (all revisions) only MMC1_DAT0-MMC1_DAT3 are wired up.
Tested on Beagleboard-xM Rev C1 and Beagleboard Rev B4.
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 7be8d65..ae7d3a7 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -83,11 +83,13 @@
int usb_pwr_level;
int reset_gpio;
int usr_button_gpio;
+ int mmc_caps;
} beagle_config = {
.mmc1_gpio_wp = -EINVAL,
.usb_pwr_level = GPIOF_OUT_INIT_LOW,
.reset_gpio = 129,
.usr_button_gpio = 4,
+ .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
};
static struct gpio omap3_beagle_rev_gpios[] __initdata = {
@@ -145,10 +147,12 @@
printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
+ beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
break;
case 2:
printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
+ beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
break;
default:
printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
@@ -251,7 +255,7 @@
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
- .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
+ .caps = MMC_CAP_4_BIT_DATA,
.gpio_wp = -EINVAL,
.deferred = true,
},
@@ -523,6 +527,7 @@
if (beagle_config.mmc1_gpio_wp != -EINVAL)
omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
+ mmc[0].caps = beagle_config.mmc_caps;
omap_hsmmc_init(mmc);
omap3_beagle_i2c_init();