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>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 7be8d659d91d..ae7d3a737baf 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -83,11 +83,13 @@ static struct {
         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 @@ static void __init omap3_beagle_init_rev(void)
                 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 void __init beagle_display_init(void)
 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 @@ static void __init omap3_beagle_init(void)
 
         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();