diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2017-09-05 09:04:20 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-09-22 11:39:57 (GMT) |
| commit | dca3166f55973143b750a3e9517c6b646ebab132 (patch) | |
| tree | 30a79cb0f03216a32f5f005b4128da425f13e69c /drivers | |
| parent | 9ea2fc88ddcf8229534a2180eeea316c2c2760b4 (diff) | |
| download | u-boot-dca3166f55973143b750a3e9517c6b646ebab132.tar.xz | |
mmc: sti_sdhci: Use reset framework
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/sti_sdhci.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/mmc/sti_sdhci.c b/drivers/mmc/sti_sdhci.c index 714afd9..d8b5888 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> @@ -16,15 +17,10 @@ DECLARE_GLOBAL_DATA_PTR; struct sti_sdhci_plat { struct mmc_config cfg; struct mmc mmc; + struct reset_ctl reset; int instance; }; -/* - * used to get access to MMC1 reset, - * will be removed when STi reset driver will be available - */ -#define STIH410_SYSCONF5_BASE 0x092b0000 - /** * sti_mmc_core_config: configure the Arasan HC * @dev : udevice @@ -37,17 +33,19 @@ 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 +64,8 @@ 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 +80,18 @@ 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 | |