tiny-printf: Support assert()
[oweals/u-boot.git] / drivers / mmc / sdhci.c
index 5c71ab8d058e7a24b2186cd92573b7661932a672..de8d8ea70c447a4bdff18f7e0273d6db761f1c19 100644 (file)
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <errno.h>
 #include <malloc.h>
 #include <mmc.h>
 #include <sdhci.h>
@@ -127,10 +128,19 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
 #define CONFIG_SDHCI_CMD_MAX_TIMEOUT           3200
 #endif
 #define CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT       100
+#define SDHCI_READ_STATUS_TIMEOUT              1000
 
+#ifdef CONFIG_DM_MMC_OPS
+static int sdhci_send_command(struct udevice *dev, struct mmc_cmd *cmd,
+                             struct mmc_data *data)
+{
+       struct mmc *mmc = mmc_get_mmc_dev(dev);
+
+#else
 static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
-                      struct mmc_data *data)
+                             struct mmc_data *data)
 {
+#endif
        struct sdhci_host *host = mmc->priv;
        unsigned int stat = 0;
        int ret = 0;
@@ -243,9 +253,9 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
                if (stat & SDHCI_INT_ERROR)
                        break;
        } while (((stat & mask) != mask) &&
-                (get_timer(start) < CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT));
+                (get_timer(start) < SDHCI_READ_STATUS_TIMEOUT));
 
-       if (get_timer(start) >= CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT) {
+       if (get_timer(start) >= SDHCI_READ_STATUS_TIMEOUT) {
                if (host->quirks & SDHCI_QUIRK_BROKEN_R1B)
                        return 0;
                else {
@@ -388,8 +398,14 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
        sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
 }
 
+#ifdef CONFIG_DM_MMC_OPS
+static int sdhci_set_ios(struct udevice *dev)
+{
+       struct mmc *mmc = mmc_get_mmc_dev(dev);
+#else
 static void sdhci_set_ios(struct mmc *mmc)
 {
+#endif
        u32 ctrl;
        struct sdhci_host *host = mmc->priv;
 
@@ -425,6 +441,9 @@ static void sdhci_set_ios(struct mmc *mmc)
                ctrl &= ~SDHCI_CTRL_HISPD;
 
        sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
+#ifdef CONFIG_DM_MMC_OPS
+       return 0;
+#endif
 }
 
 static int sdhci_init(struct mmc *mmc)
@@ -471,80 +490,110 @@ static int sdhci_init(struct mmc *mmc)
        return 0;
 }
 
+#ifdef CONFIG_DM_MMC_OPS
+int sdhci_probe(struct udevice *dev)
+{
+       struct mmc *mmc = mmc_get_mmc_dev(dev);
+
+       return sdhci_init(mmc);
+}
 
+const struct dm_mmc_ops sdhci_ops = {
+       .send_cmd       = sdhci_send_command,
+       .set_ios        = sdhci_set_ios,
+};
+#else
 static const struct mmc_ops sdhci_ops = {
        .send_cmd       = sdhci_send_command,
        .set_ios        = sdhci_set_ios,
        .init           = sdhci_init,
 };
+#endif
 
-int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
+int sdhci_setup_cfg(struct mmc_config *cfg, const char *name, int buswidth,
+                   uint caps, u32 max_clk, u32 min_clk, uint version,
+                   uint quirks, uint host_caps)
 {
-       unsigned int caps;
-
-       host->cfg.name = host->name;
-       host->cfg.ops = &sdhci_ops;
-
-       caps = sdhci_readl(host, SDHCI_CAPABILITIES);
-#ifdef CONFIG_MMC_SDMA
-       if (!(caps & SDHCI_CAN_DO_SDMA)) {
-               printf("%s: Your controller doesn't support SDMA!!\n",
-                      __func__);
-               return -1;
-       }
+       cfg->name = name;
+#ifndef CONFIG_DM_MMC_OPS
+       cfg->ops = &sdhci_ops;
 #endif
-
        if (max_clk)
-               host->cfg.f_max = max_clk;
+               cfg->f_max = max_clk;
        else {
-               if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-                       host->cfg.f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK)
-                               >> SDHCI_CLOCK_BASE_SHIFT;
+               if (version >= SDHCI_SPEC_300)
+                       cfg->f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK) >>
+                               SDHCI_CLOCK_BASE_SHIFT;
                else
-                       host->cfg.f_max = (caps & SDHCI_CLOCK_BASE_MASK)
-                               >> SDHCI_CLOCK_BASE_SHIFT;
-               host->cfg.f_max *= 1000000;
-       }
-       if (host->cfg.f_max == 0) {
-               printf("%s: Hardware doesn't specify base clock frequency\n",
-                      __func__);
-               return -1;
+                       cfg->f_max = (caps & SDHCI_CLOCK_BASE_MASK) >>
+                               SDHCI_CLOCK_BASE_SHIFT;
+               cfg->f_max *= 1000000;
        }
+       if (cfg->f_max == 0)
+               return -EINVAL;
        if (min_clk)
-               host->cfg.f_min = min_clk;
+               cfg->f_min = min_clk;
        else {
-               if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-                       host->cfg.f_min = host->cfg.f_max /
-                               SDHCI_MAX_DIV_SPEC_300;
+               if (version >= SDHCI_SPEC_300)
+                       cfg->f_min = cfg->f_max / SDHCI_MAX_DIV_SPEC_300;
                else
-                       host->cfg.f_min = host->cfg.f_max /
-                               SDHCI_MAX_DIV_SPEC_200;
+                       cfg->f_min = cfg->f_max / SDHCI_MAX_DIV_SPEC_200;
        }
-
-       host->cfg.voltages = 0;
+       cfg->voltages = 0;
        if (caps & SDHCI_CAN_VDD_330)
-               host->cfg.voltages |= MMC_VDD_32_33 | MMC_VDD_33_34;
+               cfg->voltages |= MMC_VDD_32_33 | MMC_VDD_33_34;
        if (caps & SDHCI_CAN_VDD_300)
-               host->cfg.voltages |= MMC_VDD_29_30 | MMC_VDD_30_31;
+               cfg->voltages |= MMC_VDD_29_30 | MMC_VDD_30_31;
        if (caps & SDHCI_CAN_VDD_180)
-               host->cfg.voltages |= MMC_VDD_165_195;
+               cfg->voltages |= MMC_VDD_165_195;
 
-       if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE)
-               host->cfg.voltages |= host->voltages;
-
-       host->cfg.host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
-       if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
+       cfg->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
+       if (version >= SDHCI_SPEC_300) {
                if (caps & SDHCI_CAN_DO_8BIT)
-                       host->cfg.host_caps |= MMC_MODE_8BIT;
+                       cfg->host_caps |= MMC_MODE_8BIT;
        }
 
-       if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT)
-               host->cfg.host_caps &= ~(MMC_MODE_HS | MMC_MODE_HS_52MHz);
+       if (quirks & SDHCI_QUIRK_NO_HISPD_BIT)
+               cfg->host_caps &= ~(MMC_MODE_HS | MMC_MODE_HS_52MHz);
 
-       if (host->host_caps)
-               host->cfg.host_caps |= host->host_caps;
+       if (host_caps)
+               cfg->host_caps |= host_caps;
 
-       host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
+       cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
+       return 0;
+}
+
+#ifdef CONFIG_BLK
+int sdhci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg)
+{
+       return mmc_bind(dev, mmc, cfg);
+}
+#else
+int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
+{
+       unsigned int caps;
+
+       caps = sdhci_readl(host, SDHCI_CAPABILITIES);
+#ifdef CONFIG_MMC_SDMA
+       if (!(caps & SDHCI_CAN_DO_SDMA)) {
+               printf("%s: Your controller doesn't support SDMA!!\n",
+                      __func__);
+               return -1;
+       }
+#endif
+
+       if (sdhci_setup_cfg(&host->cfg, host->name, host->bus_width, caps,
+                           max_clk, min_clk, SDHCI_GET_VERSION(host),
+                           host->quirks, host->host_caps)) {
+               printf("%s: Hardware doesn't specify base clock frequency\n",
+                      __func__);
+               return -EINVAL;
+       }
+
+       if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE)
+               host->cfg.voltages |= host->voltages;
 
        sdhci_reset(host, SDHCI_RESET_ALL);
 
@@ -556,3 +605,4 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
 
        return 0;
 }
+#endif