diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/mmc/meson_gx_mmc.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/mmc.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 23 | ||||
| -rw-r--r-- | drivers/mmc/sh_mmcif.c | 165 | ||||
| -rw-r--r-- | drivers/mmc/tmio-common.c | 22 | ||||
| -rw-r--r-- | drivers/mmc/uniphier-sd.c | 29 |
7 files changed, 214 insertions, 36 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index 6935da2177d..4fa8dd83bb7 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -266,6 +266,12 @@ config SH_SDHI help Support for the on-chip SDHI host controller on SuperH/Renesas ARM SoCs platform +config SH_MMCIF + bool "SuperH/Renesas ARM SoCs on-chip MMCIF host controller support" + depends on ARCH_RMOBILE || SH + help + Support for the on-chip MMCIF host controller on SuperH/Renesas ARM SoCs platform + config MMC_UNIPHIER bool "UniPhier SD/MMC Host Controller support" depends on ARCH_UNIPHIER diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c index a2cd5d3a446..454593eec43 100644 --- a/drivers/mmc/meson_gx_mmc.c +++ b/drivers/mmc/meson_gx_mmc.c @@ -35,6 +35,9 @@ static void meson_mmc_config_clock(struct mmc *mmc) uint32_t meson_mmc_clk = 0; unsigned int clk, clk_src, clk_div; + if (!mmc->clock) + return; + /* 1GHz / CLK_MAX_DIV = 15,9 MHz */ if (mmc->clock > 16000000) { clk = SD_EMMC_CLKSRC_DIV2; diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index c9308933003..f72b80c7048 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1334,7 +1334,7 @@ static int sd_set_card_speed(struct mmc *mmc, enum bus_mode mode) return 0; } -int sd_select_bus_width(struct mmc *mmc, int w) +static int sd_select_bus_width(struct mmc *mmc, int w) { int err; struct mmc_cmd cmd; diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 56a43ca7d3f..8e49b2f73cc 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -330,8 +330,10 @@ static const struct udevice_id renesas_sdhi_match[] = { static int renesas_sdhi_probe(struct udevice *dev) { + struct tmio_sd_priv *priv = dev_get_priv(dev); u32 quirks = dev_get_driver_data(dev); struct fdt_resource reg_res; + struct clk clk; DECLARE_GLOBAL_DATA_PTR; int ret; @@ -348,6 +350,27 @@ static int renesas_sdhi_probe(struct udevice *dev) quirks |= TMIO_SD_CAP_16BIT; } + ret = clk_get_by_index(dev, 0, &clk); + if (ret < 0) { + dev_err(dev, "failed to get host clock\n"); + return ret; + } + + /* set to max rate */ + priv->mclk = clk_set_rate(&clk, ULONG_MAX); + if (IS_ERR_VALUE(priv->mclk)) { + dev_err(dev, "failed to set rate for host clock\n"); + clk_free(&clk); + return priv->mclk; + } + + ret = clk_enable(&clk); + clk_free(&clk); + if (ret) { + dev_err(dev, "failed to enable host clock\n"); + return ret; + } + ret = tmio_sd_probe(dev, quirks); #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) if (!ret) diff --git a/drivers/mmc/sh_mmcif.c b/drivers/mmc/sh_mmcif.c index 1ff59f06d57..26fe125cea7 100644 --- a/drivers/mmc/sh_mmcif.c +++ b/drivers/mmc/sh_mmcif.c @@ -11,9 +11,13 @@ #include <watchdog.h> #include <command.h> #include <mmc.h> +#include <clk.h> +#include <dm.h> #include <malloc.h> #include <linux/errno.h> -#include <asm/io.h> +#include <linux/compat.h> +#include <linux/io.h> +#include <linux/sizes.h> #include "sh_mmcif.h" #define DRIVER_NAME "sh_mmcif" @@ -510,10 +514,9 @@ static int sh_mmcif_start_cmd(struct sh_mmcif_host *host, return ret; } -static int sh_mmcif_request(struct mmc *mmc, struct mmc_cmd *cmd, - struct mmc_data *data) +static int sh_mmcif_send_cmd_common(struct sh_mmcif_host *host, + struct mmc_cmd *cmd, struct mmc_data *data) { - struct sh_mmcif_host *host = mmc->priv; int ret; WATCHDOG_RESET(); @@ -539,10 +542,8 @@ static int sh_mmcif_request(struct mmc *mmc, struct mmc_cmd *cmd, return ret; } -static int sh_mmcif_set_ios(struct mmc *mmc) +static int sh_mmcif_set_ios_common(struct sh_mmcif_host *host, struct mmc *mmc) { - struct sh_mmcif_host *host = mmc->priv; - if (mmc->clock) sh_mmcif_clock_control(host, mmc->clock); @@ -558,19 +559,45 @@ static int sh_mmcif_set_ios(struct mmc *mmc) return 0; } -static int sh_mmcif_init(struct mmc *mmc) +static int sh_mmcif_initialize_common(struct sh_mmcif_host *host) { - struct sh_mmcif_host *host = mmc->priv; - sh_mmcif_sync_reset(host); sh_mmcif_write(MASK_ALL, &host->regs->ce_int_mask); return 0; } +#ifndef CONFIG_DM_MMC +static void *mmc_priv(struct mmc *mmc) +{ + return (void *)mmc->priv; +} + +static int sh_mmcif_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + struct sh_mmcif_host *host = mmc_priv(mmc); + + return sh_mmcif_send_cmd_common(host, cmd, data); +} + +static int sh_mmcif_set_ios(struct mmc *mmc) +{ + struct sh_mmcif_host *host = mmc_priv(mmc); + + return sh_mmcif_set_ios_common(host, mmc); +} + +static int sh_mmcif_initialize(struct mmc *mmc) +{ + struct sh_mmcif_host *host = mmc_priv(mmc); + + return sh_mmcif_initialize_common(host); +} + static const struct mmc_ops sh_mmcif_ops = { - .send_cmd = sh_mmcif_request, - .set_ios = sh_mmcif_set_ios, - .init = sh_mmcif_init, + .send_cmd = sh_mmcif_send_cmd, + .set_ios = sh_mmcif_set_ios, + .init = sh_mmcif_initialize, }; static struct mmc_config sh_mmcif_cfg = { @@ -606,3 +633,115 @@ int mmcif_mmc_init(void) return 0; } + +#else +struct sh_mmcif_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + +int sh_mmcif_dm_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + struct sh_mmcif_host *host = dev_get_priv(dev); + + return sh_mmcif_send_cmd_common(host, cmd, data); +} + +int sh_mmcif_dm_set_ios(struct udevice *dev) +{ + struct sh_mmcif_host *host = dev_get_priv(dev); + struct mmc *mmc = mmc_get_mmc_dev(dev); + + return sh_mmcif_set_ios_common(host, mmc); +} + +static const struct dm_mmc_ops sh_mmcif_dm_ops = { + .send_cmd = sh_mmcif_dm_send_cmd, + .set_ios = sh_mmcif_dm_set_ios, +}; + +static int sh_mmcif_dm_bind(struct udevice *dev) +{ + struct sh_mmcif_plat *plat = dev_get_platdata(dev); + + return mmc_bind(dev, &plat->mmc, &plat->cfg); +} + +static int sh_mmcif_dm_probe(struct udevice *dev) +{ + struct sh_mmcif_plat *plat = dev_get_platdata(dev); + struct sh_mmcif_host *host = dev_get_priv(dev); + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct clk sh_mmcif_clk; + fdt_addr_t base; + int ret; + + base = devfdt_get_addr(dev); + if (base == FDT_ADDR_T_NONE) + return -EINVAL; + + host->regs = (struct sh_mmcif_regs *)devm_ioremap(dev, base, SZ_2K); + if (!host->regs) + return -ENOMEM; + + ret = clk_get_by_index(dev, 0, &sh_mmcif_clk); + if (ret) { + debug("failed to get clock, ret=%d\n", ret); + return ret; + } + + ret = clk_enable(&sh_mmcif_clk); + if (ret) { + debug("failed to enable clock, ret=%d\n", ret); + return ret; + } + + host->clk = clk_get_rate(&sh_mmcif_clk); + + plat->cfg.name = dev->name; + plat->cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS; + + switch (fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "bus-width", + 1)) { + case 8: + plat->cfg.host_caps |= MMC_MODE_8BIT; + break; + case 4: + plat->cfg.host_caps |= MMC_MODE_4BIT; + break; + case 1: + break; + default: + dev_err(dev, "Invalid \"bus-width\" value\n"); + return -EINVAL; + } + + sh_mmcif_initialize_common(host); + + plat->cfg.voltages = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34; + plat->cfg.f_min = MMC_CLK_DIV_MIN(host->clk); + plat->cfg.f_max = MMC_CLK_DIV_MAX(host->clk); + plat->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; + + upriv->mmc = &plat->mmc; + + return 0; +} + +static const struct udevice_id sh_mmcif_sd_match[] = { + { .compatible = "renesas,sh-mmcif" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(sh_mmcif_mmc) = { + .name = "sh-mmcif", + .id = UCLASS_MMC, + .of_match = sh_mmcif_sd_match, + .bind = sh_mmcif_dm_bind, + .probe = sh_mmcif_dm_probe, + .priv_auto_alloc_size = sizeof(struct sh_mmcif_host), + .platdata_auto_alloc_size = sizeof(struct sh_mmcif_plat), + .ops = &sh_mmcif_dm_ops, +}; +#endif diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c index 5f1c9c0bd4d..4ea66121427 100644 --- a/drivers/mmc/tmio-common.c +++ b/drivers/mmc/tmio-common.c @@ -713,7 +713,6 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks) struct tmio_sd_priv *priv = dev_get_priv(dev); struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); fdt_addr_t base; - struct clk clk; int ret; base = devfdt_get_addr(dev); @@ -728,27 +727,6 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks) device_get_supply_regulator(dev, "vqmmc-supply", &priv->vqmmc_dev); #endif - ret = clk_get_by_index(dev, 0, &clk); - if (ret < 0) { - dev_err(dev, "failed to get host clock\n"); - return ret; - } - - /* set to max rate */ - priv->mclk = clk_set_rate(&clk, ULONG_MAX); - if (IS_ERR_VALUE(priv->mclk)) { - dev_err(dev, "failed to set rate for host clock\n"); - clk_free(&clk); - return priv->mclk; - } - - ret = clk_enable(&clk); - clk_free(&clk); - if (ret) { - dev_err(dev, "failed to enable host clock\n"); - return ret; - } - ret = mmc_of_parse(dev, &plat->cfg); if (ret < 0) { dev_err(dev, "failed to parse host caps\n"); diff --git a/drivers/mmc/uniphier-sd.c b/drivers/mmc/uniphier-sd.c index 47379b0328e..61f8da4e413 100644 --- a/drivers/mmc/uniphier-sd.c +++ b/drivers/mmc/uniphier-sd.c @@ -32,6 +32,35 @@ static const struct udevice_id uniphier_sd_match[] = { static int uniphier_sd_probe(struct udevice *dev) { + struct tmio_sd_priv *priv = dev_get_priv(dev); +#ifndef CONFIG_SPL_BUILD + struct clk clk; + int ret; + + ret = clk_get_by_index(dev, 0, &clk); + if (ret < 0) { + dev_err(dev, "failed to get host clock\n"); + return ret; + } + + /* set to max rate */ + priv->mclk = clk_set_rate(&clk, ULONG_MAX); + if (IS_ERR_VALUE(priv->mclk)) { + dev_err(dev, "failed to set rate for host clock\n"); + clk_free(&clk); + return priv->mclk; + } + + ret = clk_enable(&clk); + clk_free(&clk); + if (ret) { + dev_err(dev, "failed to enable host clock\n"); + return ret; + } +#else + priv->mclk = 100000000; +#endif + return tmio_sd_probe(dev, 0); } |