Hi Adam, On 01/12/2017 06:07 AM, Adam Ford wrote: > On the OMAP36xx (and 37xx) the CONTROL_WKUP_CTRL register has > a field (bit 6) named GPIO_IO_PWRDNZ. If 0, the IO buffers which > are related to the MMC are disabled. After the PBIAS is configured, > this bit should be set high to enable the MMC port. > > V2: Make this feature a config option and add it to the MMC section > of the Kconfig. This allows the precompiler to only include it > in a small handfull of OMAP36XX and 37XX boards using MMC1. > > V1: Original submission > > Signed-off-by: Adam Ford <aford...@gmail.com>
Sorry for late, Could you resend the patch on latest? Current patch has conflict.. Best Regards, Jaehoon Chung > > diff --git a/configs/omap3_logic_defconfig b/configs/omap3_logic_defconfig > index ac1a6a3..bd5f1a8 100644 > --- a/configs/omap3_logic_defconfig > +++ b/configs/omap3_logic_defconfig > @@ -15,6 +15,7 @@ CONFIG_CMD_BOOTZ=y > CONFIG_CMD_ASKENV=y > # CONFIG_CMD_FLASH is not set > CONFIG_CMD_MMC=y > +CONFIG_MMC_OMAP36XX_PINS=y > CONFIG_CMD_SPI=y > CONFIG_CMD_I2C=y > # CONFIG_CMD_FPGA is not set > diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig > index c3462ab..d6fcf7f 100644 > --- a/drivers/mmc/Kconfig > +++ b/drivers/mmc/Kconfig > @@ -204,6 +204,17 @@ config MMC_SDHCI_SPEAR > > If unsure, say N. > > +config MMC_OMAP36XX_PINS > + bool "Enable MMC1 on OMAP36XX/37XX" > + depends on OMAP34XX > + 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. > endif > > endmenu > diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c > index 0a1ee40..a4720e1 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; > > @@ -115,6 +116,13 @@ 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) > + writel(readl(OMAP34XX_CTRL_WKUP_CTRL) | > + OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ, > + OMAP34XX_CTRL_WKUP_CTRL); > +#endif > + > writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL, > &t2_base->devconf0); > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
