From: Patrice Chotard patrice.chotard@st.com
Signed-off-by: Patrice Chotard patrice.chotard@st.com Reviewed-by: Jaehoon Chung jh80.chung@samsung.com --- drivers/mmc/sti_sdhci.c | 31 ++++++++++++++++++++++--------- 1 file changed, 22 insertions(+), 9 deletions(-)
diff --git a/drivers/mmc/sti_sdhci.c b/drivers/mmc/sti_sdhci.c index d6c4d67..8b1b2c0 100644 --- a/drivers/mmc/sti_sdhci.c +++ b/drivers/mmc/sti_sdhci.c @@ -8,6 +8,7 @@ #include <common.h> #include <dm.h> #include <mmc.h> +#include <reset-uclass.h> #include <sdhci.h> #include <asm/arch/sdhci.h>
@@ -16,6 +17,7 @@ DECLARE_GLOBAL_DATA_PTR; struct sti_sdhci_plat { struct mmc_config cfg; struct mmc mmc; + struct reset_ctl reset; int instance; };
@@ -37,17 +39,19 @@ struct sti_sdhci_plat { * W/o these settings the SDHCI could configure and use the embedded controller * with limited features. */ -static void sti_mmc_core_config(struct udevice *dev) +static int sti_mmc_core_config(struct udevice *dev) { struct sti_sdhci_plat *plat = dev_get_platdata(dev); struct sdhci_host *host = dev_get_priv(dev); - unsigned long *sysconf; + int ret;
/* only MMC1 has a reset line */ if (plat->instance) { - sysconf = (unsigned long *)(STIH410_SYSCONF5_BASE + - ST_MMC_CCONFIG_REG_5); - generic_set_bit(SYSCONF_MMC1_ENABLE_BIT, sysconf); + ret = reset_deassert(&plat->reset); + if (ret < 0) { + error("MMC1 deassert failed: %d", ret); + return ret; + } }
writel(STI_FLASHSS_MMC_CORE_CONFIG_1, @@ -66,6 +70,8 @@ static void sti_mmc_core_config(struct udevice *dev) } writel(STI_FLASHSS_MMC_CORE_CONFIG4, host->ioaddr + FLASHSS_MMC_CORE_CONFIG_4); + + return 0; }
static int sti_sdhci_probe(struct udevice *dev) @@ -80,13 +86,20 @@ static int sti_sdhci_probe(struct udevice *dev) * MMC0 is wired to the SD slot, * MMC1 is wired on the high speed connector */ - - if (fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "resets", NULL)) + if (fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "resets", NULL)) { plat->instance = 1; - else + ret = reset_get_by_name(dev, "softreset", &plat->reset); + if (ret) { + error("can't get reset for %s (%d)", dev->name, ret); + return ret; + } + } else { plat->instance = 0; + }
- sti_mmc_core_config(dev); + ret = sti_mmc_core_config(dev); + if (ret) + return ret;
host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_32BIT_DMA_ADDR |