usb: dwc3: Add DWC3 controller driver support

[u-boot] / drivers / mmc / omap_hsmmc.c

diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 6bf602fea59401559a1ee93a361b137a3807a483..8238a7e8e0087852cc05d882b5d32b60400efec0 100644 (file)
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -24,6 +24,7 @@
 
 #include <config.h>
 #include <common.h>
+#include <malloc.h>
 #include <mmc.h>
 #include <part.h>
 #include <i2c.h>
@@ -49,6 +50,7 @@
 
 struct omap_hsmmc_data {
        struct hsmmc *base_addr;
+       struct mmc_config cfg;
 #ifdef OMAP_HSMMC_USE_GPIO
        int cd_gpio;
        int wp_gpio;
@@ -61,20 +63,23 @@ struct omap_hsmmc_data {
 static int mmc_read_data(struct hsmmc *mmc_base, char *buf, unsigned int size);
 static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
                        unsigned int siz);
-static struct mmc hsmmc_dev[3];
-static struct omap_hsmmc_data hsmmc_dev_data[3];
 
 #ifdef OMAP_HSMMC_USE_GPIO
 static int omap_mmc_setup_gpio_in(int gpio, const char *label)
 {
-       if (!gpio_is_valid(gpio))
-               return -1;
+       int ret;
 
-       if (gpio_request(gpio, label) < 0)
+#ifndef CONFIG_DM_GPIO
+       if (!gpio_is_valid(gpio))
                return -1;
+#endif
+       ret = gpio_request(gpio, label);
+       if (ret)
+               return ret;
 
-       if (gpio_direction_input(gpio) < 0)
-               return -1;
+       ret = gpio_direction_input(gpio);
+       if (ret)
+               return ret;
 
        return gpio;
 }
@@ -120,7 +125,7 @@ static void omap5_pbias_config(struct mmc *mmc)
 }
 #endif
 
-unsigned char mmc_board_init(struct mmc *mmc)
+static unsigned char mmc_board_init(struct mmc *mmc)
 {
 #if defined(CONFIG_OMAP34XX)
        t2_t *t2_base = (t2_t *)T2_BASE;
@@ -129,13 +134,12 @@ 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);
+#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_TWL4030_POWER)
-       twl4030_power_mmc_init();
-       mdelay(100);    /* ramp-up delay from Linux code */
-#endif
-#if defined(CONFIG_OMAP34XX)
+       writel(pbias_lite, &t2_base->pbias_lite);
+
        writel(pbias_lite | PBIASLITEPWRDNZ1 |
                PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
                &t2_base->pbias_lite);
@@ -147,7 +151,7 @@ unsigned char mmc_board_init(struct mmc *mmc)
                &t2_base->devconf1);
 
        /* Change from default of 52MHz to 26MHz if necessary */
-       if (!(mmc->host_caps & MMC_MODE_HS_52MHz))
+       if (!(mmc->cfg->host_caps & MMC_MODE_HS_52MHz))
                writel(readl(&t2_base->ctl_prog_io1) & ~CTLPROGIO1SPEEDCTRL,
                        &t2_base->ctl_prog_io1);
 
@@ -606,7 +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)
@@ -619,6 +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
@@ -636,14 +642,16 @@ static const struct mmc_ops omap_hsmmc_ops = {
 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];
-       uint host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS |
-                            MMC_MODE_HC;
+       struct mmc *mmc;
+       struct omap_hsmmc_data *priv_data;
+       struct mmc_config *cfg;
+       uint host_caps_val;
+
+       priv_data = malloc(sizeof(*priv_data));
+       if (priv_data == NULL)
+               return -1;
 
-       sprintf(mmc->name, "OMAP SD/MMC");
-       mmc->ops = &omap_hsmmc_ops;
-       mmc->priv = priv_data;
+       host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS;
 
        switch (dev_index) {
        case 0:
@@ -653,7 +661,8 @@ 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
@@ -662,7 +671,7 @@ 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
@@ -678,34 +687,40 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
        priv_data->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp");
 #endif
 
-       mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
-       mmc->host_caps = host_caps_val & ~host_caps_mask;
+       cfg = &priv_data->cfg;
 
-       mmc->f_min = 400000;
+       cfg->name = "OMAP SD/MMC";
+       cfg->ops = &omap_hsmmc_ops;
+
+       cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
+       cfg->host_caps = host_caps_val & ~host_caps_mask;
+
+       cfg->f_min = 400000;
 
        if (f_max != 0)
-               mmc->f_max = f_max;
+               cfg->f_max = f_max;
        else {
-               if (mmc->host_caps & MMC_MODE_HS) {
-                       if (mmc->host_caps & MMC_MODE_HS_52MHz)
-                               mmc->f_max = 52000000;
+               if (cfg->host_caps & MMC_MODE_HS) {
+                       if (cfg->host_caps & MMC_MODE_HS_52MHz)
+                               cfg->f_max = 52000000;
                        else
-                               mmc->f_max = 26000000;
+                               cfg->f_max = 26000000;
                } else
-                       mmc->f_max = 20000000;
+                       cfg->f_max = 20000000;
        }
 
-       mmc->b_max = 0;
+       cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
 #if defined(CONFIG_OMAP34XX)
        /*
         * Silicon revs 2.1 and older do not support multiblock transfers.
         */
        if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
-               mmc->b_max = 1;
+               cfg->b_max = 1;
 #endif
-
-       mmc_register(mmc);
+       mmc = mmc_create(cfg, priv_data);
+       if (mmc == NULL)
+               return -1;
 
        return 0;
 }