diff options
Diffstat (limited to 'drivers/mmc/tegra_mmc.c')
| -rw-r--r-- | drivers/mmc/tegra_mmc.c | 78 |
1 files changed, 44 insertions, 34 deletions
diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c index 6c6affb925..7d945a172e 100644 --- a/drivers/mmc/tegra_mmc.c +++ b/drivers/mmc/tegra_mmc.c @@ -9,7 +9,7 @@ #include <bouncebuf.h> #include <common.h> -#include <dm/device.h> +#include <dm.h> #include <errno.h> #include <asm/gpio.h> #include <asm/io.h> @@ -18,6 +18,11 @@ DECLARE_GLOBAL_DATA_PTR; +struct tegra_mmc_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + struct tegra_mmc_priv { struct tegra_mmc *reg; struct reset_ctl reset_ctl; @@ -27,8 +32,6 @@ struct tegra_mmc_priv { struct gpio_desc wp_gpio; /* Write Protect GPIO */ unsigned int version; /* SDHCI spec. version */ unsigned int clock; /* Current clock (MHz) */ - struct mmc_config cfg; /* mmc configuration */ - struct mmc *mmc; }; static void tegra_mmc_set_power(struct tegra_mmc_priv *priv, @@ -151,11 +154,11 @@ static int tegra_mmc_wait_inhibit(struct tegra_mmc_priv *priv, return 0; } -static int tegra_mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd, +static int tegra_mmc_send_cmd_bounced(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data, struct bounce_buffer *bbstate) { - struct tegra_mmc_priv *priv = mmc->priv; + struct tegra_mmc_priv *priv = dev_get_priv(dev); int flags, i; int result; unsigned int mask = 0; @@ -324,7 +327,7 @@ static int tegra_mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd, return 0; } -static int tegra_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, +static int tegra_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) { void *buf; @@ -346,7 +349,7 @@ static int tegra_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, bounce_buffer_start(&bbstate, buf, len, bbflags); } - ret = tegra_mmc_send_cmd_bounced(mmc, cmd, data, &bbstate); + ret = tegra_mmc_send_cmd_bounced(dev, cmd, data, &bbstate); if (data) bounce_buffer_stop(&bbstate); @@ -408,9 +411,10 @@ out: priv->clock = clock; } -static int tegra_mmc_set_ios(struct mmc *mmc) +static int tegra_mmc_set_ios(struct udevice *dev) { - struct tegra_mmc_priv *priv = mmc->priv; + struct tegra_mmc_priv *priv = dev_get_priv(dev); + struct mmc *mmc = mmc_get_mmc_dev(dev); unsigned char ctrl; debug(" mmc_set_ios called\n"); @@ -434,7 +438,7 @@ static int tegra_mmc_set_ios(struct mmc *mmc) else if (mmc->bus_width == 4) ctrl |= (1 << 1); else - ctrl &= ~(1 << 1); + ctrl &= ~(1 << 1 | 1 << 5); writeb(ctrl, &priv->reg->hostctl); debug("mmc_set_ios: hostctl = %08X\n", ctrl); @@ -505,9 +509,10 @@ static void tegra_mmc_reset(struct tegra_mmc_priv *priv, struct mmc *mmc) tegra_mmc_pad_init(priv); } -static int tegra_mmc_init(struct mmc *mmc) +static int tegra_mmc_init(struct udevice *dev) { - struct tegra_mmc_priv *priv = mmc->priv; + struct tegra_mmc_priv *priv = dev_get_priv(dev); + struct mmc *mmc = mmc_get_mmc_dev(dev); unsigned int mask; debug(" tegra_mmc_init called\n"); @@ -566,9 +571,9 @@ static int tegra_mmc_init(struct mmc *mmc) return 0; } -static int tegra_mmc_getcd(struct mmc *mmc) +static int tegra_mmc_getcd(struct udevice *dev) { - struct tegra_mmc_priv *priv = mmc->priv; + struct tegra_mmc_priv *priv = dev_get_priv(dev); debug("tegra_mmc_getcd called\n"); @@ -578,32 +583,32 @@ static int tegra_mmc_getcd(struct mmc *mmc) return 1; } -static const struct mmc_ops tegra_mmc_ops = { +static const struct dm_mmc_ops tegra_mmc_ops = { .send_cmd = tegra_mmc_send_cmd, .set_ios = tegra_mmc_set_ios, - .init = tegra_mmc_init, - .getcd = tegra_mmc_getcd, + .get_cd = tegra_mmc_getcd, }; static int tegra_mmc_probe(struct udevice *dev) { struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct tegra_mmc_plat *plat = dev_get_platdata(dev); struct tegra_mmc_priv *priv = dev_get_priv(dev); + struct mmc_config *cfg = &plat->cfg; int bus_width, ret; - priv->cfg.name = "Tegra SD/MMC"; - priv->cfg.ops = &tegra_mmc_ops; + cfg->name = dev->name; bus_width = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "bus-width", 1); - priv->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; - priv->cfg.host_caps = 0; + cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; + cfg->host_caps = 0; if (bus_width == 8) - priv->cfg.host_caps |= MMC_MODE_8BIT; + cfg->host_caps |= MMC_MODE_8BIT; if (bus_width >= 4) - priv->cfg.host_caps |= MMC_MODE_4BIT; - priv->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; + cfg->host_caps |= MMC_MODE_4BIT; + cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; /* * min freq is for card identification, and is the highest @@ -611,12 +616,12 @@ static int tegra_mmc_probe(struct udevice *dev) * max freq is highest HS eMMC clock as per the SD/MMC spec * (actually 52MHz) */ - priv->cfg.f_min = 375000; - priv->cfg.f_max = 48000000; + cfg->f_min = 375000; + cfg->f_max = 48000000; - priv->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; + cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; - priv->reg = (void *)dev_get_addr(dev); + priv->reg = (void *)devfdt_get_addr(dev); ret = reset_get_by_name(dev, "sdhci", &priv->reset_ctl); if (ret) { @@ -652,14 +657,16 @@ static int tegra_mmc_probe(struct udevice *dev) if (dm_gpio_is_valid(&priv->pwr_gpio)) dm_gpio_set_value(&priv->pwr_gpio, 1); - priv->mmc = mmc_create(&priv->cfg, priv); - if (priv->mmc == NULL) - return -1; + upriv->mmc = &plat->mmc; - priv->mmc->dev = dev; - upriv->mmc = priv->mmc; + return tegra_mmc_init(dev); +} - return 0; +static int tegra_mmc_bind(struct udevice *dev) +{ + struct tegra_mmc_plat *plat = dev_get_platdata(dev); + + return mmc_bind(dev, &plat->mmc, &plat->cfg); } static const struct udevice_id tegra_mmc_ids[] = { @@ -676,6 +683,9 @@ U_BOOT_DRIVER(tegra_mmc_drv) = { .name = "tegra_mmc", .id = UCLASS_MMC, .of_match = tegra_mmc_ids, + .bind = tegra_mmc_bind, .probe = tegra_mmc_probe, + .ops = &tegra_mmc_ops, + .platdata_auto_alloc_size = sizeof(struct tegra_mmc_plat), .priv_auto_alloc_size = sizeof(struct tegra_mmc_priv), }; |