diff options
| author | Simon Glass <sjg@chromium.org> | 2016-06-12 23:30:29 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-07-11 14:06:44 -0600 |
| commit | 12293f6d367e0832dfa08e3a74aad32671fcc3a3 (patch) | |
| tree | 1842be264e3ce7553a2b3a870c7a96f01ed50668 | |
| parent | ef1e4eda6b4ef2077a943b638b33f95d715062ae (diff) | |
dm: mmc: msm_sdhci: Support CONFIG_BLK and CONFIG_DM_MMC_OPS
Add support for using driver model for block devices and MMC operations in
this driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/mmc/msm_sdhci.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c index 96dcdbec51..61d214aaea 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; @@ -81,9 +86,14 @@ 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; @@ -127,7 +137,7 @@ 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); } @@ -135,13 +145,26 @@ 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 */ - ret = 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) @@ -176,6 +199,20 @@ 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" }, { } @@ -186,7 +223,12 @@ 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), }; |