X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmmc%2Fomap_hsmmc.c;h=166744c3204ff4a8d1701fc37cae80f08f2f39f3;hb=f97d7e8be96888b622309d9563da0ab3fba0534b;hp=cb1a7bdd6544ac00631c88006bc3c06cac22b7b6;hpb=e874d5b001e9d7ea0fc7596ef0fe6dd520ed8ec6;p=u-boot diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index cb1a7bdd65..166744c320 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -42,6 +42,7 @@ struct omap_hsmmc_data { struct hsmmc *base_addr; int cd_gpio; + int wp_gpio; }; /* If we fail after 1 second wait, something is really bad */ @@ -74,6 +75,12 @@ static int omap_mmc_getcd(struct mmc *mmc) int cd_gpio = ((struct omap_hsmmc_data *)mmc->priv)->cd_gpio; return gpio_get_value(cd_gpio); } + +static int omap_mmc_getwp(struct mmc *mmc) +{ + int wp_gpio = ((struct omap_hsmmc_data *)mmc->priv)->wp_gpio; + return gpio_get_value(wp_gpio); +} #else static inline int omap_mmc_setup_gpio_in(int gpio, const char *label) { @@ -81,24 +88,22 @@ static inline int omap_mmc_setup_gpio_in(int gpio, const char *label) } #define omap_mmc_getcd NULL +#define omap_mmc_getwp NULL #endif #if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER) static void omap4_vmmc_pbias_config(struct mmc *mmc) { u32 value = 0; - struct omap_sys_ctrl_regs *const ctrl = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; - - value = readl(&ctrl->control_pbiaslite); + value = readl((*ctrl)->control_pbiaslite); value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ); - writel(value, &ctrl->control_pbiaslite); + writel(value, (*ctrl)->control_pbiaslite); /* set VMMC to 3V */ twl6030_power_mmc_init(); - value = readl(&ctrl->control_pbiaslite); + value = readl((*ctrl)->control_pbiaslite); value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ; - writel(value, &ctrl->control_pbiaslite); + writel(value, (*ctrl)->control_pbiaslite); } #endif @@ -106,26 +111,24 @@ static void omap4_vmmc_pbias_config(struct mmc *mmc) static void omap5_pbias_config(struct mmc *mmc) { u32 value = 0; - struct omap_sys_ctrl_regs *const ctrl = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; - value = readl(&ctrl->control_pbias); + value = readl((*ctrl)->control_pbias); value &= ~(SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ); value |= SDCARD_BIAS_HIZ_MODE; - writel(value, &ctrl->control_pbias); + writel(value, (*ctrl)->control_pbias); twl6035_mmc1_poweron_ldo(); - value = readl(&ctrl->control_pbias); + value = readl((*ctrl)->control_pbias); value &= ~SDCARD_BIAS_HIZ_MODE; value |= SDCARD_PBIASLITE_VMODE | SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ; - writel(value, &ctrl->control_pbias); + writel(value, (*ctrl)->control_pbias); - value = readl(&ctrl->control_pbias); + value = readl((*ctrl)->control_pbias); if (value & (1 << 23)) { value &= ~(SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ); value |= SDCARD_BIAS_HIZ_MODE; - writel(value, &ctrl->control_pbias); + writel(value, (*ctrl)->control_pbias); } } #endif @@ -580,7 +583,8 @@ static void mmc_set_ios(struct mmc *mmc) writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl); } -int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio) +int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, + int wp_gpio) { struct mmc *mmc = &hsmmc_dev[dev_index]; struct omap_hsmmc_data *priv_data = &hsmmc_dev_data[dev_index]; @@ -589,7 +593,6 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio) mmc->send_cmd = mmc_send_cmd; mmc->set_ios = mmc_set_ios; mmc->init = mmc_init_setup; - mmc->getcd = omap_mmc_getcd; mmc->priv = priv_data; switch (dev_index) { @@ -611,6 +614,13 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio) return 1; } priv_data->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd"); + if (priv_data->cd_gpio != -1) + mmc->getcd = omap_mmc_getcd; + + priv_data->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp"); + if (priv_data->wp_gpio != -1) + mmc->getwp = omap_mmc_getwp; + mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; mmc->host_caps = (MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC) & ~host_caps_mask;