diff options
Diffstat (limited to 'drivers/mmc/host/sh_mobile_sdhi.c')
| -rw-r--r-- | drivers/mmc/host/sh_mobile_sdhi.c | 73 |
1 files changed, 54 insertions, 19 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index 87ed3fb5149..91058dabd11 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -33,8 +33,12 @@ #include "tmio_mmc.h" +#define EXT_ACC 0xe4 + struct sh_mobile_sdhi_of_data { unsigned long tmio_flags; + unsigned long capabilities; + unsigned long capabilities2; }; static const struct sh_mobile_sdhi_of_data sh_mobile_sdhi_of_cfg[] = { @@ -43,6 +47,31 @@ static const struct sh_mobile_sdhi_of_data sh_mobile_sdhi_of_cfg[] = { }, }; +static const struct sh_mobile_sdhi_of_data of_rcar_gen1_compatible = { + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE, + .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ, +}; + +static const struct sh_mobile_sdhi_of_data of_rcar_gen2_compatible = { + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE, + .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ, + .capabilities2 = MMC_CAP2_NO_MULTI_READ, +}; + +static const struct of_device_id sh_mobile_sdhi_of_match[] = { + { .compatible = "renesas,sdhi-shmobile" }, + { .compatible = "renesas,sdhi-sh7372" }, + { .compatible = "renesas,sdhi-sh73a0", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a73a4", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7740", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7778", .data = &of_rcar_gen1_compatible, }, + { .compatible = "renesas,sdhi-r8a7779", .data = &of_rcar_gen1_compatible, }, + { .compatible = "renesas,sdhi-r8a7790", .data = &of_rcar_gen2_compatible, }, + { .compatible = "renesas,sdhi-r8a7791", .data = &of_rcar_gen2_compatible, }, + {}, +}; +MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match); + struct sh_mobile_sdhi { struct clk *clk; struct tmio_mmc_data mmc_data; @@ -54,7 +83,7 @@ static int sh_mobile_sdhi_clk_enable(struct platform_device *pdev, unsigned int struct mmc_host *mmc = platform_get_drvdata(pdev); struct tmio_mmc_host *host = mmc_priv(mmc); struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data); - int ret = clk_enable(priv->clk); + int ret = clk_prepare_enable(priv->clk); if (ret < 0) return ret; @@ -67,7 +96,7 @@ static void sh_mobile_sdhi_clk_disable(struct platform_device *pdev) struct mmc_host *mmc = platform_get_drvdata(pdev); struct tmio_mmc_host *host = mmc_priv(mmc); struct sh_mobile_sdhi *priv = container_of(host->pdata, struct sh_mobile_sdhi, mmc_data); - clk_disable(priv->clk); + clk_disable_unprepare(priv->clk); } static int sh_mobile_sdhi_wait_idle(struct tmio_mmc_host *host) @@ -112,19 +141,6 @@ static const struct sh_mobile_sdhi_ops sdhi_ops = { .cd_wakeup = sh_mobile_sdhi_cd_wakeup, }; -static const struct of_device_id sh_mobile_sdhi_of_match[] = { - { .compatible = "renesas,shmobile-sdhi" }, - { .compatible = "renesas,sh7372-sdhi" }, - { .compatible = "renesas,sh73a0-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a73a4-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7740-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7778-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7779-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7790-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - {}, -}; -MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match); - static int sh_mobile_sdhi_probe(struct platform_device *pdev) { const struct of_device_id *of_id = @@ -133,9 +149,15 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev) struct tmio_mmc_data *mmc_data; struct sh_mobile_sdhi_info *p = pdev->dev.platform_data; struct tmio_mmc_host *host; + struct resource *res; int irq, ret, i = 0; bool multiplexed_isr = true; struct tmio_mmc_dma *dma_priv; + u16 ver; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_mobile_sdhi), GFP_KERNEL); if (priv == NULL) { @@ -204,13 +226,26 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev) if (of_id && of_id->data) { const struct sh_mobile_sdhi_of_data *of_data = of_id->data; mmc_data->flags |= of_data->tmio_flags; + mmc_data->capabilities |= of_data->capabilities; + mmc_data->capabilities2 |= of_data->capabilities2; } + /* SD control register space size is 0x100, 0x200 for bus_shift=1 */ + mmc_data->bus_shift = resource_size(res) >> 9; + ret = tmio_mmc_host_probe(&host, pdev, mmc_data); if (ret < 0) goto eprobe; /* + * FIXME: + * this Workaround can be more clever method + */ + ver = sd_ctrl_read16(host, CTL_VERSION); + if (ver == 0xCB0D) + sd_ctrl_write16(host, EXT_ACC, 1); + + /* * Allow one or more specific (named) ISRs or * one or more multiplexed (un-named) ISRs. */ @@ -297,10 +332,10 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev) } static const struct dev_pm_ops tmio_mmc_dev_pm_ops = { - .suspend = tmio_mmc_host_suspend, - .resume = tmio_mmc_host_resume, - .runtime_suspend = tmio_mmc_host_runtime_suspend, - .runtime_resume = tmio_mmc_host_runtime_resume, + SET_SYSTEM_SLEEP_PM_OPS(tmio_mmc_host_suspend, tmio_mmc_host_resume) + SET_RUNTIME_PM_OPS(tmio_mmc_host_runtime_suspend, + tmio_mmc_host_runtime_resume, + NULL) }; static struct platform_driver sh_mobile_sdhi_driver = { |