diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/davinci_mmc.c | 199 | ||||
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 14 |
2 files changed, 197 insertions, 16 deletions
diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c index d7cb88a40a..0d63279db0 100644 --- a/drivers/mmc/davinci_mmc.c +++ b/drivers/mmc/davinci_mmc.c @@ -7,13 +7,15 @@ #include <config.h> #include <common.h> -#include <command.h> +#include <dm.h> #include <errno.h> #include <mmc.h> +#include <command.h> #include <part.h> #include <malloc.h> #include <asm/io.h> #include <asm/arch/sdmmc_defs.h> +#include <asm-generic/gpio.h> #define DAVINCI_MAX_BLOCKS (32) #define WATCHDOG_COUNT (100000) @@ -23,10 +25,40 @@ #define set_bit(addr, val) set_val((addr), (get_val(addr) | (val))) #define clear_bit(addr, val) set_val((addr), (get_val(addr) & ~(val))) +#ifdef CONFIG_DM_MMC +struct davinci_of_data { + const char *name; + u8 version; +}; + +/* Davinci MMC board definitions */ +struct davinci_mmc_priv { + struct davinci_mmc_regs *reg_base; /* Register base address */ + uint input_clk; /* Input clock to MMC controller */ + uint version; /* MMC Controller version */ + struct gpio_desc cd_gpio; /* Card Detect GPIO */ + struct gpio_desc wp_gpio; /* Write Protect GPIO */ +}; + +struct davinci_mmc_plat +{ + struct mmc_config cfg; + struct mmc mmc; +}; +#endif + /* Set davinci clock prescalar value based on the required clock in HZ */ +#if !CONFIG_IS_ENABLED(DM_MMC) static void dmmc_set_clock(struct mmc *mmc, uint clock) { struct davinci_mmc *host = mmc->priv; +#else + +static void davinci_mmc_set_clock(struct udevice *dev, uint clock) +{ + struct davinci_mmc_priv *host = dev_get_priv(dev); + struct mmc *mmc = mmc_get_mmc_dev(dev); +#endif struct davinci_mmc_regs *regs = host->reg_base; uint clkrt, sysclk2, act_clock; @@ -120,13 +152,19 @@ static int dmmc_check_status(volatile struct davinci_mmc_regs *regs, } /* - * Sends a command out on the bus. Takes the mmc pointer, + * Sends a command out on the bus. Takes the device pointer, * a command pointer, and an optional data pointer. */ -static int -dmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) +#if !CONFIG_IS_ENABLED(DM_MMC) +static int dmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) { struct davinci_mmc *host = mmc->priv; +#else +static int +davinci_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) +{ + struct davinci_mmc_priv *host = dev_get_priv(dev); +#endif volatile struct davinci_mmc_regs *regs = host->reg_base; uint mmcstatus, status_rdy, status_err; uint i, cmddata, bytes_left = 0; @@ -312,9 +350,15 @@ dmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) } /* Initialize Davinci MMC controller */ +#if !CONFIG_IS_ENABLED(DM_MMC) static int dmmc_init(struct mmc *mmc) { struct davinci_mmc *host = mmc->priv; +#else +static int davinci_dm_mmc_init(struct udevice *dev) +{ + struct davinci_mmc_priv *host = dev_get_priv(dev); +#endif struct davinci_mmc_regs *regs = host->reg_base; /* Clear status registers explicitly - soft reset doesn't clear it @@ -347,11 +391,19 @@ static int dmmc_init(struct mmc *mmc) } /* Set buswidth or clock as indicated by the MMC framework */ +#if !CONFIG_IS_ENABLED(DM_MMC) static int dmmc_set_ios(struct mmc *mmc) { struct davinci_mmc *host = mmc->priv; struct davinci_mmc_regs *regs = host->reg_base; +#else +static int davinci_mmc_set_ios(struct udevice *dev) +{ + struct mmc *mmc = mmc_get_mmc_dev(dev); + struct davinci_mmc_priv *host = dev_get_priv(dev); + struct davinci_mmc_regs *regs = host->reg_base; +#endif /* Set the bus width */ if (mmc->bus_width == 4) set_bit(®s->mmcctl, MMCCTL_WIDTH_4_BIT); @@ -359,21 +411,65 @@ static int dmmc_set_ios(struct mmc *mmc) clear_bit(®s->mmcctl, MMCCTL_WIDTH_4_BIT); /* Set clock speed */ - if (mmc->clock) + if (mmc->clock) { +#if !CONFIG_IS_ENABLED(DM_MMC) dmmc_set_clock(mmc, mmc->clock); - +#else + davinci_mmc_set_clock(dev, mmc->clock); +#endif + } return 0; } +#if !CONFIG_IS_ENABLED(DM_MMC) static const struct mmc_ops dmmc_ops = { - .send_cmd = dmmc_send_cmd, - .set_ios = dmmc_set_ios, - .init = dmmc_init, + .send_cmd = dmmc_send_cmd, + .set_ios = dmmc_set_ios, + .init = dmmc_init, +}; +#else + +static int davinci_mmc_getcd(struct udevice *dev) +{ + int value = -1; +#if CONFIG_IS_ENABLED(DM_GPIO) + struct davinci_mmc_priv *priv = dev_get_priv(dev); + value = dm_gpio_get_value(&priv->cd_gpio); +#endif + /* if no CD return as 1 */ + if (value < 0) + return 1; + + return value; +} + +static int davinci_mmc_getwp(struct udevice *dev) +{ + int value = -1; +#if CONFIG_IS_ENABLED(DM_GPIO) + struct davinci_mmc_priv *priv = dev_get_priv(dev); + + value = dm_gpio_get_value(&priv->wp_gpio); +#endif + /* if no WP return as 0 */ + if (value < 0) + return 0; + + return value; +} + +static const struct dm_mmc_ops davinci_mmc_ops = { + .send_cmd = davinci_mmc_send_cmd, + .set_ios = davinci_mmc_set_ios, + .get_cd = davinci_mmc_getcd, + .get_wp = davinci_mmc_getwp, }; +#endif +#if !CONFIG_IS_ENABLED(DM_MMC) /* Called from board_mmc_init during startup. Can be called multiple times - * depending on the number of slots available on board and controller - */ +* depending on the number of slots available on board and controller +*/ int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host) { host->cfg.name = "davinci"; @@ -389,3 +485,84 @@ int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host) return 0; } +#else + + +static int davinci_mmc_probe(struct udevice *dev) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct davinci_mmc_plat *plat = dev_get_platdata(dev); + struct davinci_mmc_priv *priv = dev_get_priv(dev); + struct mmc_config *cfg = &plat->cfg; + struct davinci_of_data *data = + (struct davinci_of_data *)dev_get_driver_data(dev); + cfg->f_min = 200000; + cfg->f_max = 25000000; + cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + cfg->host_caps = MMC_MODE_4BIT, /* DA850 supports only 4-bit SD/MMC */ + cfg->b_max = DAVINCI_MAX_BLOCKS; + + if (data) { + cfg->name = data->name; + priv->version = data->version; + } + + priv->reg_base = (struct davinci_mmc_regs *)dev_read_addr(dev); + priv->input_clk = clk_get(DAVINCI_MMCSD_CLKID); + +#if CONFIG_IS_ENABLED(DM_GPIO) + /* These GPIOs are optional */ + gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN); + gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, GPIOD_IS_IN); +#endif + + upriv->mmc = &plat->mmc; + + return davinci_dm_mmc_init(dev); +} + +static int davinci_mmc_bind(struct udevice *dev) +{ + struct davinci_mmc_plat *plat = dev_get_platdata(dev); + + return mmc_bind(dev, &plat->mmc, &plat->cfg); +} + + +const struct davinci_of_data davinci_mmc_host_info[] = { + { + .name = "dm6441-mmc", + .version = MMC_CTLR_VERSION_1, + }, + { + .name = "da830-mmc", + .version = MMC_CTLR_VERSION_2, + }, + {}, +}; + +static const struct udevice_id davinci_mmc_ids[] = { + { + .compatible = "ti,dm6441-mmc", + .data = (ulong) &davinci_mmc_host_info[MMC_CTLR_VERSION_1] + }, + { + .compatible = "ti,da830-mmc", + .data = (ulong) &davinci_mmc_host_info[MMC_CTLR_VERSION_2] + }, + {}, +}; + +U_BOOT_DRIVER(davinci_mmc_drv) = { + .name = "davinci_mmc", + .id = UCLASS_MMC, + .of_match = davinci_mmc_ids, +#if CONFIG_BLK + .bind = davinci_mmc_bind, +#endif + .probe = davinci_mmc_probe, + .ops = &davinci_mmc_ops, + .platdata_auto_alloc_size = sizeof(struct davinci_mmc_plat), + .priv_auto_alloc_size = sizeof(struct davinci_mmc_priv), +}; +#endif diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index caaa914604..4d171f457e 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -1365,9 +1365,10 @@ static int omap_hsmmc_set_ios(struct udevice *dev) static int omap_hsmmc_getcd(struct udevice *dev) { struct omap_hsmmc_data *priv = dev_get_priv(dev); - int value; - + int value = -1; +#if CONFIG_IS_ENABLED(DM_GPIO) value = dm_gpio_get_value(&priv->cd_gpio); +#endif /* if no CD return as 1 */ if (value < 0) return 1; @@ -1379,10 +1380,11 @@ static int omap_hsmmc_getcd(struct udevice *dev) static int omap_hsmmc_getwp(struct udevice *dev) { + int value = 0; +#if CONFIG_IS_ENABLED(DM_GPIO) struct omap_hsmmc_data *priv = dev_get_priv(dev); - int value; - value = dm_gpio_get_value(&priv->wp_gpio); +#endif /* if no WP return as 0 */ if (value < 0) return 0; @@ -1901,10 +1903,12 @@ static int omap_hsmmc_probe(struct udevice *dev) device_get_supply_regulator(dev, "pbias-supply", &priv->pbias_supply); #endif -#if defined(OMAP_HSMMC_USE_GPIO) && CONFIG_IS_ENABLED(OF_CONTROL) +#if defined(OMAP_HSMMC_USE_GPIO) +#if CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(DM_GPIO) gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN); gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, GPIOD_IS_IN); #endif +#endif mmc->dev = dev; upriv->mmc = mmc; |