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| author | Faiz Abbas <faiz_abbas@ti.com> | 2021-02-04 15:10:50 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2021-02-04 20:37:57 +0530 |
| commit | 8c32b5f3707fedeebe2d34ebd6aa4a77c4bacbd3 (patch) | |
| tree | 468a1799d412dd4da0e2907373e1add99e6ea4ce /drivers | |
| parent | 5b29fd4a8db22a63f0e7b3ce773e81bf1d855428 (diff) | |
| download | u-boot-8c32b5f3707fedeebe2d34ebd6aa4a77c4bacbd3.tar.gz u-boot-8c32b5f3707fedeebe2d34ebd6aa4a77c4bacbd3.tar.bz2 u-boot-8c32b5f3707fedeebe2d34ebd6aa4a77c4bacbd3.zip | |
mmc: am654_sdhci: Add support for AM65x SR2.0
Add Support for AM65x PG2.0. Use the SoC bus framework to fixup
the platform data and do DLL calibration if the revision is 1.0
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/am654_sdhci.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/mmc/am654_sdhci.c b/drivers/mmc/am654_sdhci.c index 1e06541838..5790fa3d0d 100644 --- a/drivers/mmc/am654_sdhci.c +++ b/drivers/mmc/am654_sdhci.c @@ -12,6 +12,7 @@ #include <power-domain.h> #include <regmap.h> #include <sdhci.h> +#include <soc.h> #include <dm/device_compat.h> #include <linux/bitops.h> #include <linux/err.h> @@ -293,6 +294,11 @@ const struct sdhci_ops am654_sdhci_ops = { const struct am654_driver_data am654_drv_data = { .ops = &am654_sdhci_ops, + .flags = DLL_PRESENT | IOMUX_PRESENT | FREQSEL_2_BIT | STRBSEL_4_BIT, +}; + +const struct am654_driver_data am654_sr1_drv_data = { + .ops = &am654_sdhci_ops, .flags = IOMUX_PRESENT | FREQSEL_2_BIT | DLL_PRESENT | DLL_CALIB | STRBSEL_4_BIT, }; @@ -326,6 +332,11 @@ const struct am654_driver_data j721e_4bit_drv_data = { .flags = IOMUX_PRESENT, }; +const struct soc_attr am654_sdhci_soc_attr[] = { + { .family = "AM65X", .revision = "SR1.0", .data = &am654_sr1_drv_data}, + {/* sentinel */} +}; + static int sdhci_am654_get_otap_delay(struct udevice *dev, struct mmc_config *cfg) { @@ -365,6 +376,8 @@ static int am654_sdhci_probe(struct udevice *dev) struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); struct sdhci_host *host = dev_get_priv(dev); struct mmc_config *cfg = &plat->cfg; + const struct soc_attr *soc; + const struct am654_driver_data *soc_drv_data; struct clk clk; unsigned long clock; int ret; @@ -394,6 +407,14 @@ static int am654_sdhci_probe(struct udevice *dev) return ret; host->ops = drv_data->ops; + + /* Update ops based on SoC revision */ + soc = soc_device_match(am654_sdhci_soc_attr); + if (soc && soc->data) { + soc_drv_data = soc->data; + host->ops = soc_drv_data->ops; + } + host->mmc->priv = host; upriv->mmc = host->mmc; @@ -458,9 +479,18 @@ static int am654_sdhci_bind(struct udevice *dev) struct am654_driver_data *drv_data = (struct am654_driver_data *)dev_get_driver_data(dev); struct am654_sdhci_plat *plat = dev_get_plat(dev); + const struct soc_attr *soc; + const struct am654_driver_data *soc_drv_data; plat->flags = drv_data->flags; + /* Update flags based on SoC revision */ + soc = soc_device_match(am654_sdhci_soc_attr); + if (soc && soc->data) { + soc_drv_data = soc->data; + plat->flags = soc_drv_data->flags; + } + return sdhci_bind(dev, &plat->mmc, &plat->cfg); } |