Add support for using driver model for block devices and MMC operations in
this driver.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/mmc/msm_sdhci.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 49 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c
index 1e2a29b..150adf0 100644
--- a/drivers/mmc/msm_sdhci.c
+++ b/drivers/mmc/msm_sdhci.c
@@ -36,6 +36,11 @@
/* Non standard (?) SDHCI register */
#define SDHCI_VENDOR_SPEC_CAPABILITIES0 0x11c
+struct msm_sdhc_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
struct msm_sdhc {
struct sdhci_host host;
void *base;
@@ -74,9 +79,14 @@ static int msm_sdc_clk_init(struct udevice *dev)
static int msm_sdc_probe(struct udevice *dev)
{
+ struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+#ifdef CONFIG_BLK
+ struct msm_sdhc_plat *plat = dev_get_platdata(dev);
+#endif
struct msm_sdhc *prv = dev_get_priv(dev);
struct sdhci_host *host = &prv->host;
u32 core_version, core_minor, core_major;
+ u32 caps;
int ret;
host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_BROKEN_R1B;
@@ -120,7 +130,7 @@ static int msm_sdc_probe(struct udevice *dev)
* controller versions and must be explicitly enabled.
*/
if (core_major >= 1 && core_minor != 0x11 && core_minor != 0x12) {
- u32 caps = readl(host->ioaddr + SDHCI_CAPABILITIES);
+ caps = readl(host->ioaddr + SDHCI_CAPABILITIES);
caps |= SDHCI_CAN_VDD_300 | SDHCI_CAN_DO_8BIT;
writel(caps, host->ioaddr + SDHCI_VENDOR_SPEC_CAPABILITIES0);
}
@@ -128,8 +138,26 @@ static int msm_sdc_probe(struct udevice *dev)
/* Set host controller version */
host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
+#ifdef CONFIG_BLK
+ caps = sdhci_readl(host, SDHCI_CAPABILITIES);
+ ret = sdhci_setup_cfg(&plat->cfg, dev->name, host->bus_width,
+ caps, 0, 0, host->version, host->quirks, 0);
+ host->mmc = &plat->mmc;
+#else
/* automatically detect max and min speed */
- return add_sdhci(host, 0, 0);
+ ret = add_sdhci(host, 0, 0);
+#endif
+ if (ret)
+ return ret;
+ host->mmc->priv = &prv->host;
+ host->mmc->dev = dev;
+ upriv->mmc = host->mmc;
+
+#ifdef CONFIG_DM_MMC_OPS
+ return sdhci_probe(dev);
+#else
+ return 0;
+#endif
}
static int msm_sdc_remove(struct udevice *dev)
@@ -164,6 +192,20 @@ static int msm_ofdata_to_platdata(struct udevice *dev)
return 0;
}
+static int msm_sdc_bind(struct udevice *dev)
+{
+#ifdef CONFIG_BLK
+ struct msm_sdhc_plat *plat = dev_get_platdata(dev);
+ int ret;
+
+ ret = sdhci_bind(dev, &plat->mmc, &plat->cfg);
+ if (ret)
+ return ret;
+#endif
+
+ return 0;
+}
+
static const struct udevice_id msm_mmc_ids[] = {
{ .compatible = "qcom,sdhci-msm-v4" },
{ }
@@ -174,7 +216,12 @@ U_BOOT_DRIVER(msm_sdc_drv) = {
.id = UCLASS_MMC,
.of_match = msm_mmc_ids,
.ofdata_to_platdata = msm_ofdata_to_platdata,
+#ifdef CONFIG_DM_MMC_OPS
+ .ops = &sdhci_ops,
+#endif
+ .bind = msm_sdc_bind,
.probe = msm_sdc_probe,
.remove = msm_sdc_remove,
.priv_auto_alloc_size = sizeof(struct msm_sdhc),
+ .platdata_auto_alloc_size = sizeof(struct msm_sdhc_plat),
};
--
2.8.0.rc3.226.g39d4020
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