diff options
Diffstat (limited to 'arch/arm/mach-omap2/hsmmc.c')
| -rw-r--r-- | arch/arm/mach-omap2/hsmmc.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index 5496bc7d40ad..1348ac3d60e3 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -16,7 +16,9 @@ #include <mach/hardware.h> #include <plat/mmc.h> #include <plat/omap-pm.h> +#include <plat/mux.h> +#include "mux.h" #include "hsmmc.h" #include "control.h" @@ -204,6 +206,87 @@ static int nop_mmc_set_power(struct device *dev, int slot, int power_on, return 0; } +static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller, + int controller_nr) +{ + if ((mmc_controller->slots[0].switch_pin > 0) && \ + (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES)) + omap_mux_init_gpio(mmc_controller->slots[0].switch_pin, + OMAP_PIN_INPUT_PULLUP); + if ((mmc_controller->slots[0].gpio_wp > 0) && \ + (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES)) + omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp, + OMAP_PIN_INPUT_PULLUP); + if (cpu_is_omap34xx()) { + if (controller_nr == 0) { + omap_mux_init_signal("sdmmc1_clk", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_cmd", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_dat0", + OMAP_PIN_INPUT_PULLUP); + if (mmc_controller->slots[0].caps & + (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { + omap_mux_init_signal("sdmmc1_dat1", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_dat2", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_dat3", + OMAP_PIN_INPUT_PULLUP); + } + if (mmc_controller->slots[0].caps & + MMC_CAP_8_BIT_DATA) { + omap_mux_init_signal("sdmmc1_dat4", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_dat5", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_dat6", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc1_dat7", + OMAP_PIN_INPUT_PULLUP); + } + } + if (controller_nr == 1) { + /* MMC2 */ + omap_mux_init_signal("sdmmc2_clk", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_cmd", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_dat0", + OMAP_PIN_INPUT_PULLUP); + + /* + * For 8 wire configurations, Lines DAT4, 5, 6 and 7 + * need to be muxed in the board-*.c files + */ + if (mmc_controller->slots[0].caps & + (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { + omap_mux_init_signal("sdmmc2_dat1", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_dat2", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_dat3", + OMAP_PIN_INPUT_PULLUP); + } + if (mmc_controller->slots[0].caps & + MMC_CAP_8_BIT_DATA) { + omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6", + OMAP_PIN_INPUT_PULLUP); + omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7", + OMAP_PIN_INPUT_PULLUP); + } + } + + /* + * For MMC3 the pins need to be muxed in the board-*.c files + */ + } +} + static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata; void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) @@ -361,6 +444,7 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) continue; } hsmmc_data[c->mmc - 1] = mmc; + omap_hsmmc_mux(hsmmc_data[c->mmc - 1], (c->mmc - 1)); } omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC); |