diff options
Diffstat (limited to 'drivers/mmc/arm_pl180_mmci.c')
| -rw-r--r-- | drivers/mmc/arm_pl180_mmci.c | 67 |
1 files changed, 40 insertions, 27 deletions
diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c index e267cd782e8..c4d94d102cc 100644 --- a/drivers/mmc/arm_pl180_mmci.c +++ b/drivers/mmc/arm_pl180_mmci.c @@ -357,13 +357,13 @@ static const struct mmc_ops arm_pl180_mmci_ops = { .set_ios = host_set_ios, .init = mmc_host_reset, }; -#endif /* * mmc_host_init - initialize the mmc controller. * Set initial clock and power for mmc slot. * Initialize mmc struct and register with mmc framework. */ + int arm_pl180_mmci_init(struct pl180_mmc_host *host, struct mmc **mmc) { u32 sdi_u32; @@ -377,9 +377,8 @@ int arm_pl180_mmci_init(struct pl180_mmc_host *host, struct mmc **mmc) writel(sdi_u32, &host->base->mask0); host->cfg.name = host->name; -#ifndef CONFIG_DM_MMC host->cfg.ops = &arm_pl180_mmci_ops; -#endif + /* TODO remove the duplicates */ host->cfg.host_caps = host->caps; host->cfg.voltages = host->voltages; @@ -393,20 +392,34 @@ int arm_pl180_mmci_init(struct pl180_mmc_host *host, struct mmc **mmc) *mmc = mmc_create(&host->cfg, host); if (!*mmc) return -1; - debug("registered mmc interface number is:%d\n", (*mmc)->block_dev.devnum); return 0; } +#endif #ifdef CONFIG_DM_MMC +static void arm_pl180_mmc_init(struct pl180_mmc_host *host) +{ + u32 sdi_u32; + + writel(host->pwr_init, &host->base->power); + writel(host->clkdiv_init, &host->base->clock); + udelay(CLK_CHANGE_DELAY); + + /* Disable mmc interrupts */ + sdi_u32 = readl(&host->base->mask0) & ~SDI_MASK0_MASK; + writel(sdi_u32, &host->base->mask0); +} + static int arm_pl180_mmc_probe(struct udevice *dev) { struct arm_pl180_mmc_plat *pdata = dev_get_platdata(dev); struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); struct mmc *mmc = &pdata->mmc; - struct pl180_mmc_host *host = mmc->priv; + struct pl180_mmc_host *host = dev->priv; + struct mmc_config *cfg = &pdata->cfg; struct clk clk; u32 bus_width; int ret; @@ -421,27 +434,28 @@ static int arm_pl180_mmc_probe(struct udevice *dev) return ret; } - strcpy(host->name, "MMC"); host->pwr_init = INIT_PWR; host->clkdiv_init = SDI_CLKCR_CLKDIV_INIT_V1 | SDI_CLKCR_CLKEN | SDI_CLKCR_HWFC_EN; - host->voltages = VOLTAGE_WINDOW_SD; - host->caps = 0; host->clock_in = clk_get_rate(&clk); - host->clock_min = host->clock_in / (2 * (SDI_CLKCR_CLKDIV_INIT_V1 + 1)); - host->clock_max = dev_read_u32_default(dev, "max-frequency", - MMC_CLOCK_MAX); host->version2 = dev_get_driver_data(dev); + cfg->name = dev->name; + cfg->voltages = VOLTAGE_WINDOW_SD; + cfg->host_caps = 0; + cfg->f_min = host->clock_in / (2 * (SDI_CLKCR_CLKDIV_INIT_V1 + 1)); + cfg->f_max = dev_read_u32_default(dev, "max-frequency", MMC_CLOCK_MAX); + cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; + gpio_request_by_name(dev, "cd-gpios", 0, &host->cd_gpio, GPIOD_IS_IN); bus_width = dev_read_u32_default(dev, "bus-width", 1); switch (bus_width) { case 8: - host->caps |= MMC_MODE_8BIT; + cfg->host_caps |= MMC_MODE_8BIT; /* Hosts capable of 8-bit transfers can also do 4 bits */ case 4: - host->caps |= MMC_MODE_4BIT; + cfg->host_caps |= MMC_MODE_4BIT; break; case 1: break; @@ -449,19 +463,21 @@ static int arm_pl180_mmc_probe(struct udevice *dev) dev_err(dev, "Invalid bus-width value %u\n", bus_width); } - ret = arm_pl180_mmci_init(host, &mmc); - if (ret) { - dev_err(dev, "arm_pl180_mmci init failed\n"); - return ret; - } - + arm_pl180_mmc_init(host); + mmc->priv = host; mmc->dev = dev; - dev->priv = host; upriv->mmc = mmc; return 0; } +int arm_pl180_mmc_bind(struct udevice *dev) +{ + struct arm_pl180_mmc_plat *plat = dev_get_platdata(dev); + + return mmc_bind(dev, &plat->mmc, &plat->cfg); +} + static int dm_host_request(struct udevice *dev, struct mmc_cmd *cmd, struct mmc_data *data) { @@ -479,9 +495,7 @@ static int dm_host_set_ios(struct udevice *dev) static int dm_mmc_getcd(struct udevice *dev) { - struct arm_pl180_mmc_plat *pdata = dev_get_platdata(dev); - struct mmc *mmc = &pdata->mmc; - struct pl180_mmc_host *host = mmc->priv; + struct pl180_mmc_host *host = dev->priv; int value = 1; if (dm_gpio_is_valid(&host->cd_gpio)) { @@ -501,12 +515,10 @@ static const struct dm_mmc_ops arm_pl180_dm_mmc_ops = { static int arm_pl180_mmc_ofdata_to_platdata(struct udevice *dev) { - struct arm_pl180_mmc_plat *pdata = dev_get_platdata(dev); - struct mmc *mmc = &pdata->mmc; - struct pl180_mmc_host *host = mmc->priv; + struct pl180_mmc_host *host = dev->priv; fdt_addr_t addr; - addr = devfdt_get_addr(dev); + addr = dev_read_addr(dev); if (addr == FDT_ADDR_T_NONE) return -EINVAL; @@ -527,6 +539,7 @@ U_BOOT_DRIVER(arm_pl180_mmc) = { .ops = &arm_pl180_dm_mmc_ops, .probe = arm_pl180_mmc_probe, .ofdata_to_platdata = arm_pl180_mmc_ofdata_to_platdata, + .bind = arm_pl180_mmc_bind, .priv_auto_alloc_size = sizeof(struct pl180_mmc_host), .platdata_auto_alloc_size = sizeof(struct arm_pl180_mmc_plat), }; |