power: Export register access functions from as3722

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

diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c
index ca9c4aa15feea77686f8d5e87b7f24bdb8e1be89..d555692f7fc0626c659e5e4712bc9666a7c726b5 100644 (file)
--- a/drivers/mmc/tegra_mmc.c
+++ b/drivers/mmc/tegra_mmc.c
@@ -13,6 +13,7 @@
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/arch-tegra/tegra_mmc.h>
 #include <mmc.h>
 
@@ -292,7 +293,7 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
                                /* Transfer Complete */
                                debug("r/w is done\n");
                                break;
-                       } else if (get_timer(start) > 2000UL) {
+                       } else if (get_timer(start) > 8000UL) {
                                writel(mask, &host->reg->norintsts);
                                printf("%s: MMC Timeout\n"
                                       "    Interrupt status        0x%08x\n"
@@ -508,14 +509,14 @@ static int tegra_mmc_core_init(struct mmc *mmc)
        return 0;
 }
 
-int tegra_mmc_getcd(struct mmc *mmc)
+static int tegra_mmc_getcd(struct mmc *mmc)
 {
        struct mmc_host *host = mmc->priv;
 
        debug("tegra_mmc_getcd called\n");
 
-       if (fdt_gpio_isvalid(&host->cd_gpio))
-               return fdtdec_get_gpio(&host->cd_gpio);
+       if (dm_gpio_is_valid(&host->cd_gpio))
+               return dm_gpio_get_value(&host->cd_gpio);
 
        return 1;
 }
@@ -527,10 +528,9 @@ static const struct mmc_ops tegra_mmc_ops = {
        .getcd          = tegra_mmc_getcd,
 };
 
-static int do_mmc_init(int dev_index)
+static int do_mmc_init(int dev_index, bool removable)
 {
        struct mmc_host *host;
-       char gpusage[12]; /* "SD/MMCn PWR" or "SD/MMCn CD" */
        struct mmc *mmc;
 
        /* DT should have been read & host config filled in */
@@ -538,27 +538,15 @@ static int do_mmc_init(int dev_index)
        if (!host->enabled)
                return -1;
 
-       debug(" do_mmc_init: index %d, bus width %d "
-               "pwr_gpio %d cd_gpio %d\n",
-               dev_index, host->width,
-               host->pwr_gpio.gpio, host->cd_gpio.gpio);
+       debug(" do_mmc_init: index %d, bus width %d pwr_gpio %d cd_gpio %d\n",
+             dev_index, host->width, gpio_get_number(&host->pwr_gpio),
+             gpio_get_number(&host->cd_gpio));
 
        host->clock = 0;
        clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000);
 
-       if (fdt_gpio_isvalid(&host->pwr_gpio)) {
-               sprintf(gpusage, "SD/MMC%d PWR", dev_index);
-               gpio_request(host->pwr_gpio.gpio, gpusage);
-               gpio_direction_output(host->pwr_gpio.gpio, 1);
-               debug(" Power GPIO name = %s\n", host->pwr_gpio.name);
-       }
-
-       if (fdt_gpio_isvalid(&host->cd_gpio)) {
-               sprintf(gpusage, "SD/MMC%d CD", dev_index);
-               gpio_request(host->cd_gpio.gpio, gpusage);
-               gpio_direction_input(host->cd_gpio.gpio);
-               debug(" CD GPIO name = %s\n", host->cd_gpio.name);
-       }
+       if (dm_gpio_is_valid(&host->pwr_gpio))
+               dm_gpio_set_value(&host->pwr_gpio, 1);
 
        memset(&host->cfg, 0, sizeof(host->cfg));
 
@@ -571,7 +559,7 @@ static int do_mmc_init(int dev_index)
                host->cfg.host_caps |= MMC_MODE_8BIT;
        if (host->width >= 4)
                host->cfg.host_caps |= MMC_MODE_4BIT;
-       host->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC;
+       host->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
 
        /*
         * min freq is for card identification, and is the highest
@@ -585,6 +573,7 @@ static int do_mmc_init(int dev_index)
        host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
        mmc = mmc_create(&host->cfg, host);
+       mmc->block_dev.removable = removable;
        if (mmc == NULL)
                return -1;
 
@@ -598,7 +587,8 @@ static int do_mmc_init(int dev_index)
  * @param node         Device index (0-3)
  * @param host         Structure to fill in (reg, width, mmc_id)
  */
-static int mmc_get_config(const void *blob, int node, struct mmc_host *host)
+static int mmc_get_config(const void *blob, int node, struct mmc_host *host,
+                         bool *removablep)
 {
        debug("%s: node = %d\n", __func__, node);
 
@@ -625,9 +615,13 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host)
                debug("%s: no sdmmc width found\n", __func__);
 
        /* These GPIOs are optional */
-       fdtdec_decode_gpio(blob, node, "cd-gpios", &host->cd_gpio);
-       fdtdec_decode_gpio(blob, node, "wp-gpios", &host->wp_gpio);
-       fdtdec_decode_gpio(blob, node, "power-gpios", &host->pwr_gpio);
+       gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
+                                  GPIOD_IS_IN);
+       gpio_request_by_name_nodev(blob, node, "wp-gpios", 0, &host->wp_gpio,
+                                  GPIOD_IS_IN);
+       gpio_request_by_name_nodev(blob, node, "power-gpios", 0,
+                                  &host->pwr_gpio, GPIOD_IS_OUT);
+       *removablep = !fdtdec_get_bool(blob, node, "non-removable");
 
        debug("%s: found controller at %p, width = %d, periph_id = %d\n",
                __func__, host->reg, host->width, host->mmc_id);
@@ -645,6 +639,7 @@ static int mmc_get_config(const void *blob, int node, struct mmc_host *host)
 static int process_nodes(const void *blob, int node_list[], int count)
 {
        struct mmc_host *host;
+       bool removable;
        int i, node;
 
        debug("%s: count = %d\n", __func__, count);
@@ -658,11 +653,11 @@ static int process_nodes(const void *blob, int node_list[], int count)
                host = &mmc_host[i];
                host->id = i;
 
-               if (mmc_get_config(blob, node, host)) {
+               if (mmc_get_config(blob, node, host, &removable)) {
                        printf("%s: failed to decode dev %d\n", __func__, i);
                        return -1;
                }
-               do_mmc_init(i);
+               do_mmc_init(i, removable);
        }
        return 0;
 }