X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmmc%2Fomap_hsmmc.c;h=dc725cb5b0d83428a6d8e6b65b180aa413f08c95;hb=36d0d3b4b4974f4183609ac8b4d77a1f46acba55;hp=ef2cbf9e2fa574cd2846c280149cca2cf1dbc28b;hpb=d0796defbe8eff6fc3c27c893dcbc47af59d4764;p=oweals%2Fu-boot.git

diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index ef2cbf9e2f..dc725cb5b0 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -134,13 +134,12 @@ static unsigned char mmc_board_init(struct mmc *mmc)
 
 	pbias_lite = readl(&t2_base->pbias_lite);
 	pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
-	writel(pbias_lite, &t2_base->pbias_lite);
-#endif
-#if defined(CONFIG_TWL4030_POWER)
-	twl4030_power_mmc_init();
-	mdelay(100);	/* ramp-up delay from Linux code */
+#ifdef CONFIG_TARGET_OMAP3_CAIRO
+	/* for cairo board, we need to set up 1.8 Volt bias level on MMC1 */
+	pbias_lite &= ~PBIASLITEVMODE0;
 #endif
-#if defined(CONFIG_OMAP34XX)
+	writel(pbias_lite, &t2_base->pbias_lite);
+
 	writel(pbias_lite | PBIASLITEPWRDNZ1 |
 		PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
 		&t2_base->pbias_lite);
@@ -611,7 +610,8 @@ static int omap_hsmmc_getcd(struct mmc *mmc)
 	if (cd_gpio < 0)
 		return 1;
 
-	return gpio_get_value(cd_gpio);
+	/* NOTE: assumes card detect signal is active-low */
+	return !gpio_get_value(cd_gpio);
 }
 
 static int omap_hsmmc_getwp(struct mmc *mmc)
@@ -624,6 +624,7 @@ static int omap_hsmmc_getwp(struct mmc *mmc)
 	if (wp_gpio < 0)
 		return 0;
 
+	/* NOTE: assumes write protect signal is active-high */
 	return gpio_get_value(wp_gpio);
 }
 #endif
@@ -661,7 +662,8 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
 	case 1:
 		priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
 #if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
-     defined(CONFIG_DRA7XX)) && defined(CONFIG_HSMMC2_8BIT)
+     defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)) && \
+		defined(CONFIG_HSMMC2_8BIT)
 		/* Enable 8-bit interface for eMMC on OMAP4/5 or DRA7XX */
 		host_caps_val |= MMC_MODE_8BIT;
 #endif
@@ -670,7 +672,7 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
 #ifdef OMAP_HSMMC3_BASE
 	case 2:
 		priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC3_BASE;
-#if defined(CONFIG_DRA7XX) && defined(CONFIG_HSMMC3_8BIT)
+#if (defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)) && defined(CONFIG_HSMMC3_8BIT)
 		/* Enable 8-bit interface for eMMC on DRA7XX */
 		host_caps_val |= MMC_MODE_8BIT;
 #endif