diff --git a/configs/omap3_logic_defconfig b/configs/omap3_logic_defconfig index f200e87a38f95f6f098df1f854f12a151d0169aa..37ee2670372155cb419f857564d754c16ee6c89a 100644 --- a/configs/omap3_logic_defconfig +++ b/configs/omap3_logic_defconfig @@ -33,6 +33,7 @@ CONFIG_CMD_UBI=y CONFIG_ISO_PARTITION=y CONFIG_EFI_PARTITION=y CONFIG_MMC_OMAP_HS=y +CONFIG_MMC_OMAP36XX_PINS=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_USB_MUSB_GADGET=y diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index 0c0778111593e97a4ab48fe497e0aa3b87a659cd..01d1dbfb1b51675870ccb79bbbfc22ae02c6fb34 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -131,6 +131,18 @@ config MMC_OMAP_HS If unsure, say N. +config MMC_OMAP36XX_PINS + bool "Enable MMC1 on OMAP36xx/37xx" + depends on OMAP34XX && MMC_OMAP_HS + help + This enables extended-drain in the MMC/SD/SDIO1I/O and + GPIO-associated I/O cells (gpio_126, gpio_127, and gpio_129) + specific to the OMAP36xx/37xx using MMC1 + + If you have a controller with this interface, say Y here. + + If unsure, say N. + config SH_SDHI bool "SuperH/Renesas ARM SoCs on-chip SDHI host controller support" depends on RMOBILE diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 5bb628d1250aed9c627f5a4d8963611387ceae09..b63ce565f2bf0b5aec21c40e898335ae3918e373 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -38,6 +38,7 @@ #include <asm/arch/sys_proto.h> #endif #include <dm.h> +#include <asm/arch-omap3/mux.h> DECLARE_GLOBAL_DATA_PTR; @@ -102,12 +103,22 @@ static unsigned char mmc_board_init(struct mmc *mmc) t2_t *t2_base = (t2_t *)T2_BASE; struct prcm *prcm_base = (struct prcm *)PRCM_BASE; u32 pbias_lite; +#ifdef CONFIG_MMC_OMAP36XX_PINS + u32 wkup_ctrl = readl(OMAP34XX_CTRL_WKUP_CTRL); +#endif 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 +#ifdef CONFIG_MMC_OMAP36XX_PINS + if (get_cpu_family() == CPU_OMAP36XX) { + /* Disable extended drain IO before changing PBIAS */ + wkup_ctrl &= ~OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ; + writel(wkup_ctrl, OMAP34XX_CTRL_WKUP_CTRL); + } #endif writel(pbias_lite, &t2_base->pbias_lite); @@ -115,6 +126,13 @@ static unsigned char mmc_board_init(struct mmc *mmc) PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0, &t2_base->pbias_lite); +#ifdef CONFIG_MMC_OMAP36XX_PINS + if (get_cpu_family() == CPU_OMAP36XX) + /* Enable extended drain IO after changing PBIAS */ + writel(wkup_ctrl | + OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ, + OMAP34XX_CTRL_WKUP_CTRL); +#endif writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL, &t2_base->devconf0);