diff options
Diffstat (limited to 'drivers/mmc/davinci_mmc.c')
| -rw-r--r-- | drivers/mmc/davinci_mmc.c | 73 |
1 files changed, 26 insertions, 47 deletions
diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c index 0d63279db0..c3f7b57665 100644 --- a/drivers/mmc/davinci_mmc.c +++ b/drivers/mmc/davinci_mmc.c @@ -26,22 +26,12 @@ #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; }; @@ -173,7 +163,7 @@ davinci_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data * /* Clear status registers */ mmcstatus = get_val(®s->mmcst0); - fifo_words = (host->version == MMC_CTLR_VERSION_2) ? 16 : 8; + fifo_words = 16; fifo_bytes = fifo_words << 2; /* Wait for any previous busy signal to be cleared */ @@ -211,8 +201,7 @@ davinci_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data * set_val(®s->mmcfifoctl, (MMCFIFOCTL_FIFOLEV | MMCFIFOCTL_FIFORST)); - if (host->version == MMC_CTLR_VERSION_2) - cmddata |= MMCCMD_DMATRIG; + cmddata |= MMCCMD_DMATRIG; cmddata |= MMCCMD_WDATX; if (data->flags == MMC_DATA_READ) { @@ -491,21 +480,18 @@ int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host) 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); + struct mmc_config *cfg = &priv->cfg; +#ifdef CONFIG_SPL_BUILD + int ret; +#endif + 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; - } + cfg->name = "da830-mmc"; priv->reg_base = (struct davinci_mmc_regs *)dev_read_addr(dev); priv->input_clk = clk_get(DAVINCI_MMCSD_CLKID); @@ -516,40 +502,34 @@ static int davinci_mmc_probe(struct udevice *dev) gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, GPIOD_IS_IN); #endif - upriv->mmc = &plat->mmc; + upriv->mmc = &priv->mmc; + +#ifdef CONFIG_SPL_BUILD + /* + * FIXME This is a temporary workaround to enable the driver model in + * SPL on omapl138-lcdk. For some reason the bind() callback is not + * being called in SPL for MMC which breaks the mmc boot - the hack + * is to call mmc_bind() from probe(). We also don't have full DT + * support in SPL, hence the hard-coded base register address. + */ + priv->reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE; + ret = mmc_bind(dev, &priv->mmc, &priv->cfg); + if (ret) + return ret; +#endif return davinci_dm_mmc_init(dev); } static int davinci_mmc_bind(struct udevice *dev) { - struct davinci_mmc_plat *plat = dev_get_platdata(dev); + struct davinci_mmc_priv *priv = dev_get_priv(dev); - return mmc_bind(dev, &plat->mmc, &plat->cfg); + return mmc_bind(dev, &priv->mmc, &priv->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] - }, + { .compatible = "ti,da830-mmc" }, {}, }; @@ -562,7 +542,6 @@ U_BOOT_DRIVER(davinci_mmc_drv) = { #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 |