From: Patrice Chotard patrice.chotard@st.com
Signed-off-by: Patrice Chotard patrice.chotard@st.com Reviewed-by: Jaehoon Chung jh80.chung@samsung.com Reviewed-by: Simon Glass sjg@chromium.org ---
v8: _ none
v7: _ none
v6: _ add reviewed-by Simon Glass
v5: _ none
v4: _ none
v3: _ none
v2: _ none
drivers/mmc/sti_sdhci.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-)
diff --git a/drivers/mmc/sti_sdhci.c b/drivers/mmc/sti_sdhci.c index 714afd9..c0436f8 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 +86,18 @@ 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)) + ret = reset_get_by_index(dev, 0, &plat->reset); + if (!ret) plat->instance = 1; else - plat->instance = 0; + if (ret == -ENOENT) + plat->instance = 0; + else + return ret;
- 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 |