diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/core/regmap.c | 42 | ||||
| -rw-r--r-- | drivers/i2c/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/mmc/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/mmc/Makefile | 2 | ||||
| -rw-r--r-- | drivers/mmc/am654_sdhci.c | 333 | ||||
| -rw-r--r-- | drivers/mmc/k3_arsan_sdhci.c | 109 | ||||
| -rw-r--r-- | drivers/mmc/sdhci.c | 50 | ||||
| -rw-r--r-- | drivers/mmc/xenon_sdhci.c | 4 | ||||
| -rw-r--r-- | drivers/mmc/zynq_sdhci.c | 45 |
9 files changed, 439 insertions, 157 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index 5ef0f71c8b..d1d12eef38 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -108,6 +108,48 @@ static int init_range(ofnode node, struct regmap_range *range, int addr_len, return 0; } +int regmap_init_mem_index(ofnode node, struct regmap **mapp, int index) +{ + struct regmap *map; + int addr_len, size_len; + int ret; + + addr_len = ofnode_read_simple_addr_cells(ofnode_get_parent(node)); + if (addr_len < 0) { + debug("%s: Error while reading the addr length (ret = %d)\n", + ofnode_get_name(node), addr_len); + return addr_len; + } + + size_len = ofnode_read_simple_size_cells(ofnode_get_parent(node)); + if (size_len < 0) { + debug("%s: Error while reading the size length: (ret = %d)\n", + ofnode_get_name(node), size_len); + return size_len; + } + + map = regmap_alloc(1); + if (!map) + return -ENOMEM; + + ret = init_range(node, map->ranges, addr_len, size_len, index); + if (ret) + return ret; + + if (ofnode_read_bool(node, "little-endian")) + map->endianness = REGMAP_LITTLE_ENDIAN; + else if (ofnode_read_bool(node, "big-endian")) + map->endianness = REGMAP_BIG_ENDIAN; + else if (ofnode_read_bool(node, "native-endian")) + map->endianness = REGMAP_NATIVE_ENDIAN; + else /* Default: native endianness */ + map->endianness = REGMAP_NATIVE_ENDIAN; + + *mapp = map; + + return ret; +} + int regmap_init_mem(ofnode node, struct regmap **mapp) { struct regmap_range *range; diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 095a9bc6a4..4772db3837 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -330,7 +330,7 @@ endif config SYS_I2C_OMAP24XX bool "TI OMAP2+ I2C driver" - depends on ARCH_OMAP2PLUS + depends on ARCH_OMAP2PLUS || ARCH_K3 help Add support for the OMAP2+ I2C driver. diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index 890ef358a0..4cdae41b59 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -468,14 +468,15 @@ config MMC_SDHCI_CADENCE If unsure, say N. -config MMC_SDHCI_K3_ARASAN - bool "Arasan SDHCI controller for TI's K3 based SoCs" +config MMC_SDHCI_AM654 + bool "SDHCI Controller on TI's Am654 devices" depends on ARCH_K3 depends on MMC_SDHCI depends on DM_MMC && OF_CONTROL && BLK + depends on REGMAP help - Support for Arasan SDHCI host controller on Texas Instruments' - K3 family based SoC platforms + Support for Secure Digital Host Controller Interface (SDHCI) + controllers present on TI's AM654 SOCs. config MMC_SDHCI_KONA bool "SDHCI support on Broadcom KONA platform" diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 3c8c53a9e1..6cc018bb67 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -50,7 +50,7 @@ obj-$(CONFIG_MMC_SDHCI_ATMEL) += atmel_sdhci.o obj-$(CONFIG_MMC_SDHCI_BCM2835) += bcm2835_sdhci.o obj-$(CONFIG_MMC_SDHCI_BCMSTB) += bcmstb_sdhci.o obj-$(CONFIG_MMC_SDHCI_CADENCE) += sdhci-cadence.o -obj-$(CONFIG_MMC_SDHCI_K3_ARASAN) += k3_arsan_sdhci.o +obj-$(CONFIG_MMC_SDHCI_AM654) += am654_sdhci.o obj-$(CONFIG_MMC_SDHCI_KONA) += kona_sdhci.o obj-$(CONFIG_MMC_SDHCI_MSM) += msm_sdhci.o obj-$(CONFIG_MMC_SDHCI_MV) += mv_sdhci.o diff --git a/drivers/mmc/am654_sdhci.c b/drivers/mmc/am654_sdhci.c new file mode 100644 index 0000000000..fb0fb58070 --- /dev/null +++ b/drivers/mmc/am654_sdhci.c @@ -0,0 +1,333 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * + * Texas Instruments' K3 SD Host Controller Interface + */ + +#include <clk.h> +#include <common.h> +#include <dm.h> +#include <malloc.h> +#include <power-domain.h> +#include <regmap.h> +#include <sdhci.h> + +/* CTL_CFG Registers */ +#define CTL_CFG_2 0x14 + +#define SLOTTYPE_MASK GENMASK(31, 30) +#define SLOTTYPE_EMBEDDED BIT(30) + +/* PHY Registers */ +#define PHY_CTRL1 0x100 +#define PHY_CTRL2 0x104 +#define PHY_CTRL3 0x108 +#define PHY_CTRL4 0x10C +#define PHY_CTRL5 0x110 +#define PHY_CTRL6 0x114 +#define PHY_STAT1 0x130 +#define PHY_STAT2 0x134 + +#define IOMUX_ENABLE_SHIFT 31 +#define IOMUX_ENABLE_MASK BIT(IOMUX_ENABLE_SHIFT) +#define OTAPDLYENA_SHIFT 20 +#define OTAPDLYENA_MASK BIT(OTAPDLYENA_SHIFT) +#define OTAPDLYSEL_SHIFT 12 +#define OTAPDLYSEL_MASK GENMASK(15, 12) +#define STRBSEL_SHIFT 24 +#define STRBSEL_MASK GENMASK(27, 24) +#define SEL50_SHIFT 8 +#define SEL50_MASK BIT(SEL50_SHIFT) +#define SEL100_SHIFT 9 +#define SEL100_MASK BIT(SEL100_SHIFT) +#define DLL_TRIM_ICP_SHIFT 4 +#define DLL_TRIM_ICP_MASK GENMASK(7, 4) +#define DR_TY_SHIFT 20 +#define DR_TY_MASK GENMASK(22, 20) +#define ENDLL_SHIFT 1 +#define ENDLL_MASK BIT(ENDLL_SHIFT) +#define DLLRDY_SHIFT 0 +#define DLLRDY_MASK BIT(DLLRDY_SHIFT) +#define PDB_SHIFT 0 +#define PDB_MASK BIT(PDB_SHIFT) +#define CALDONE_SHIFT 1 +#define CALDONE_MASK BIT(CALDONE_SHIFT) +#define RETRIM_SHIFT 17 +#define RETRIM_MASK BIT(RETRIM_SHIFT) + +#define DRIVER_STRENGTH_50_OHM 0x0 +#define DRIVER_STRENGTH_33_OHM 0x1 +#define DRIVER_STRENGTH_66_OHM 0x2 +#define DRIVER_STRENGTH_100_OHM 0x3 +#define DRIVER_STRENGTH_40_OHM 0x4 + +#define AM654_SDHCI_MIN_FREQ 400000 + +struct am654_sdhci_plat { + struct mmc_config cfg; + struct mmc mmc; + struct regmap *base; + bool non_removable; + u32 otap_del_sel; + u32 trm_icp; + u32 drv_strength; + bool dll_on; +}; + +static void am654_sdhci_set_control_reg(struct sdhci_host *host) +{ + struct mmc *mmc = (struct mmc *)host->mmc; + u32 reg; + + if (IS_SD(host->mmc) && + mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) { + reg = sdhci_readw(host, SDHCI_HOST_CONTROL2); + reg |= SDHCI_CTRL_VDD_180; + sdhci_writew(host, reg, SDHCI_HOST_CONTROL2); + } + + sdhci_set_uhs_timing(host); +} + +static int am654_sdhci_set_ios_post(struct sdhci_host *host) +{ + struct udevice *dev = host->mmc->dev; + struct am654_sdhci_plat *plat = dev_get_platdata(dev); + unsigned int speed = host->mmc->clock; + int sel50, sel100; + u32 mask, val; + int ret; + + /* Reset SD Clock Enable */ + val = sdhci_readw(host, SDHCI_CLOCK_CONTROL); + val &= ~SDHCI_CLOCK_CARD_EN; + sdhci_writew(host, val, SDHCI_CLOCK_CONTROL); + + /* power off phy */ + if (plat->dll_on) { + regmap_update_bits(plat->base, PHY_CTRL1, ENDLL_MASK, 0); + + plat->dll_on = false; + } + + /* restart clock */ + sdhci_set_clock(host->mmc, speed); + + /* switch phy back on */ + if (speed > AM654_SDHCI_MIN_FREQ) { + mask = OTAPDLYENA_MASK | OTAPDLYSEL_MASK; + val = (1 << OTAPDLYENA_SHIFT) | + (plat->otap_del_sel << OTAPDLYSEL_SHIFT); + regmap_update_bits(plat->base, PHY_CTRL4, mask, val); + switch (speed) { + case 200000000: + sel50 = 0; + sel100 = 0; + break; + case 100000000: + sel50 = 0; + sel100 = 1; + break; + default: + sel50 = 1; + sel100 = 0; + } + + /* Configure PHY DLL frequency */ + mask = SEL50_MASK | SEL100_MASK; + val = (sel50 << SEL50_SHIFT) | (sel100 << SEL100_SHIFT); + regmap_update_bits(plat->base, PHY_CTRL5, mask, val); + + /* Enable DLL */ + regmap_update_bits(plat->base, PHY_CTRL1, ENDLL_MASK, + 0x1 << ENDLL_SHIFT); + /* + * Poll for DLL ready. Use a one second timeout. + * Works in all experiments done so far + */ + ret = regmap_read_poll_timeout(plat->base, PHY_STAT1, val, + val & DLLRDY_MASK, 1000, 1000000); + if (ret) + return ret; + + plat->dll_on = true; + } + + return 0; +} + +const struct sdhci_ops am654_sdhci_ops = { + .set_ios_post = &am654_sdhci_set_ios_post, + .set_control_reg = &am654_sdhci_set_control_reg, +}; + +int am654_sdhci_init(struct am654_sdhci_plat *plat) +{ + u32 ctl_cfg_2 = 0; + u32 mask, val; + int ret; + + /* Reset OTAP to default value */ + mask = OTAPDLYENA_MASK | OTAPDLYSEL_MASK; + regmap_update_bits(plat->base, PHY_CTRL4, mask, 0x0); + + regmap_read(plat->base, PHY_STAT1, &val); + if (~val & CALDONE_MASK) { + /* Calibrate IO lines */ + regmap_update_bits(plat->base, PHY_CTRL1, PDB_MASK, PDB_MASK); + ret = regmap_read_poll_timeout(plat->base, PHY_STAT1, val, + val & CALDONE_MASK, 1, 20); + if (ret) + return ret; + } + + /* Configure DLL TRIM */ + mask = DLL_TRIM_ICP_MASK; + val = plat->trm_icp << DLL_TRIM_ICP_SHIFT; + + /* Configure DLL driver strength */ + mask |= DR_TY_MASK; + val |= plat->drv_strength << DR_TY_SHIFT; + regmap_update_bits(plat->base, PHY_CTRL1, mask, val); + + /* Enable pins by setting IO mux to 0 */ + regmap_update_bits(plat->base, PHY_CTRL1, IOMUX_ENABLE_MASK, 0); + + /* Set slot type based on SD or eMMC */ + if (plat->non_removable) + ctl_cfg_2 = SLOTTYPE_EMBEDDED; + + regmap_update_bits(plat->base, CTL_CFG_2, SLOTTYPE_MASK, ctl_cfg_2); + + return 0; +} + +static int am654_sdhci_probe(struct udevice *dev) +{ + struct am654_sdhci_plat *plat = dev_get_platdata(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; + struct power_domain sdhci_pwrdmn; + struct clk clk; + unsigned long clock; + int ret; + + ret = power_domain_get_by_index(dev, &sdhci_pwrdmn, 0); + if (!ret) { + ret = power_domain_on(&sdhci_pwrdmn); + if (ret) { + dev_err(dev, "Power domain on failed (%d)\n", ret); + return ret; + } + } else if (ret != -ENOENT && ret != -ENODEV && ret != -ENOSYS) { + dev_err(dev, "failed to get power domain (%d)\n", ret); + return ret; + } + + ret = clk_get_by_index(dev, 0, &clk); + if (ret) { + dev_err(dev, "failed to get clock\n"); + return ret; + } + + clock = clk_get_rate(&clk); + if (IS_ERR_VALUE(clock)) { + dev_err(dev, "failed to get rate\n"); + return clock; + } + + host->max_clk = clock; + host->mmc = &plat->mmc; + host->mmc->dev = dev; + ret = sdhci_setup_cfg(cfg, host, cfg->f_max, + AM654_SDHCI_MIN_FREQ); + if (ret) + return ret; + host->ops = &am654_sdhci_ops; + host->mmc->priv = host; + upriv->mmc = host->mmc; + + regmap_init_mem_index(dev_ofnode(dev), &plat->base, 1); + + am654_sdhci_init(plat); + + return sdhci_probe(dev); +} + +static int am654_sdhci_ofdata_to_platdata(struct udevice *dev) +{ + struct am654_sdhci_plat *plat = dev_get_platdata(dev); + struct sdhci_host *host = dev_get_priv(dev); + struct mmc_config *cfg = &plat->cfg; + u32 drv_strength; + int ret; + + host->name = dev->name; + host->ioaddr = (void *)dev_read_addr(dev); + plat->non_removable = dev_read_bool(dev, "non-removable"); + + ret = dev_read_u32(dev, "ti,trm-icp", &plat->trm_icp); + if (ret) + return ret; + + ret = dev_read_u32(dev, "ti,otap-del-sel", &plat->otap_del_sel); + if (ret) + return ret; + + ret = dev_read_u32(dev, "ti,driver-strength-ohm", &drv_strength); + if (ret) + return ret; + + switch (drv_strength) { + case 50: + plat->drv_strength = DRIVER_STRENGTH_50_OHM; + break; + case 33: + plat->drv_strength = DRIVER_STRENGTH_33_OHM; + break; + case 66: + plat->drv_strength = DRIVER_STRENGTH_66_OHM; + break; + case 100: + plat->drv_strength = DRIVER_STRENGTH_100_OHM; + break; + case 40: + plat->drv_strength = DRIVER_STRENGTH_40_OHM; + break; + default: + dev_err(dev, "Invalid driver strength\n"); + return -EINVAL; + } + + ret = mmc_of_parse(dev, cfg); + if (ret) + return ret; + + return 0; +} + +static int am654_sdhci_bind(struct udevice *dev) +{ + struct am654_sdhci_plat *plat = dev_get_platdata(dev); + + return sdhci_bind(dev, &plat->mmc, &plat->cfg); +} + +static const struct udevice_id am654_sdhci_ids[] = { + { .compatible = "ti,am654-sdhci-5.1" }, + { } +}; + +U_BOOT_DRIVER(am654_sdhci_drv) = { + .name = "am654_sdhci", + .id = UCLASS_MMC, + .of_match = am654_sdhci_ids, + .ofdata_to_platdata = am654_sdhci_ofdata_to_platdata, + .ops = &sdhci_ops, + .bind = am654_sdhci_bind, + .probe = am654_sdhci_probe, + .priv_auto_alloc_size = sizeof(struct sdhci_host), + .platdata_auto_alloc_size = sizeof(struct am654_sdhci_plat), +}; diff --git a/drivers/mmc/k3_arsan_sdhci.c b/drivers/mmc/k3_arsan_sdhci.c deleted file mode 100644 index d5f2857382..0000000000 --- a/drivers/mmc/k3_arsan_sdhci.c +++ /dev/null @@ -1,109 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ - * - * Texas Instruments' K3 SD Host Controller Interface - */ - -#include <clk.h> -#include <common.h> -#include <dm.h> -#include <malloc.h> -#include <power-domain.h> -#include <sdhci.h> - -#define K3_ARASAN_SDHCI_MIN_FREQ 0 - -struct k3_arasan_sdhci_plat { - struct mmc_config cfg; - struct mmc mmc; - unsigned int f_max; -}; - -static int k3_arasan_sdhci_probe(struct udevice *dev) -{ - struct k3_arasan_sdhci_plat *plat = dev_get_platdata(dev); - struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); - struct sdhci_host *host = dev_get_priv(dev); - struct power_domain sdhci_pwrdmn; - struct clk clk; - unsigned long clock; - int ret; - - ret = power_domain_get_by_index(dev, &sdhci_pwrdmn, 0); - if (ret) { - dev_err(dev, "failed to get power domain\n"); - return ret; - } - - ret = power_domain_on(&sdhci_pwrdmn); - if (ret) { - dev_err(dev, "Power domain on failed\n"); - return ret; - } - - ret = clk_get_by_index(dev, 0, &clk); - if (ret) { - dev_err(dev, "failed to get clock\n"); - return ret; - } - - clock = clk_get_rate(&clk); - if (IS_ERR_VALUE(clock)) { - dev_err(dev, "failed to get rate\n"); - return clock; - } - - host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | - SDHCI_QUIRK_BROKEN_R1B; - - host->max_clk = clock; - - ret = sdhci_setup_cfg(&plat->cfg, host, plat->f_max, - K3_ARASAN_SDHCI_MIN_FREQ); - host->mmc = &plat->mmc; - if (ret) - return ret; - host->mmc->priv = host; - host->mmc->dev = dev; - upriv->mmc = host->mmc; - - return sdhci_probe(dev); -} - -static int k3_arasan_sdhci_ofdata_to_platdata(struct udevice *dev) -{ - struct k3_arasan_sdhci_plat *plat = dev_get_platdata(dev); - struct sdhci_host *host = dev_get_priv(dev); - - host->name = dev->name; - host->ioaddr = (void *)dev_read_addr(dev); - host->bus_width = dev_read_u32_default(dev, "bus-width", 4); - plat->f_max = dev_read_u32_default(dev, "max-frequency", 0); - - return 0; -} - -static int k3_arasan_sdhci_bind(struct udevice *dev) -{ - struct k3_arasan_sdhci_plat *plat = dev_get_platdata(dev); - - return sdhci_bind(dev, &plat->mmc, &plat->cfg); -} - -static const struct udevice_id k3_arasan_sdhci_ids[] = { - { .compatible = "arasan,sdhci-5.1" }, - { } -}; - -U_BOOT_DRIVER(k3_arasan_sdhci_drv) = { - .name = "k3_arasan_sdhci", - .id = UCLASS_MMC, - .of_match = k3_arasan_sdhci_ids, - .ofdata_to_platdata = k3_arasan_sdhci_ofdata_to_platdata, - .ops = &sdhci_ops, - .bind = k3_arasan_sdhci_bind, - .probe = k3_arasan_sdhci_probe, - .priv_auto_alloc_size = sizeof(struct sdhci_host), - .platdata_auto_alloc_size = sizeof(struct k3_arasan_sdhci_plat), -}; diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index c4e88790bc..0a0770cc20 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -8,6 +8,7 @@ */ #include <common.h> +#include <dm.h> #include <errno.h> #include <malloc.h> #include <mmc.h> @@ -409,7 +410,7 @@ static int sdhci_execute_tuning(struct udevice *dev, uint opcode) return 0; } #endif -static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) +int sdhci_set_clock(struct mmc *mmc, unsigned int clock) { struct sdhci_host *host = mmc->priv; unsigned int div, clk = 0, timeout; @@ -533,6 +534,34 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power) sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); } +void sdhci_set_uhs_timing(struct sdhci_host *host) +{ + struct mmc *mmc = (struct mmc *)host->mmc; + u32 reg; + + reg = sdhci_readw(host, SDHCI_HOST_CONTROL2); + reg &= ~SDHCI_CTRL_UHS_MASK; + + switch (mmc->selected_mode) { + case UHS_SDR50: + case MMC_HS_52: + reg |= SDHCI_CTRL_UHS_SDR50; + break; + case UHS_DDR50: + case MMC_DDR_52: + reg |= SDHCI_CTRL_UHS_DDR50; + break; + case UHS_SDR104: + case MMC_HS_200: + reg |= SDHCI_CTRL_UHS_SDR104; + break; + default: + reg |= SDHCI_CTRL_UHS_SDR12; + } + + sdhci_writew(host, reg, SDHCI_HOST_CONTROL2); +} + #ifdef CONFIG_DM_MMC static int sdhci_set_ios(struct udevice *dev) { @@ -583,7 +612,7 @@ static int sdhci_set_ios(struct mmc *mmc) /* If available, call the driver specific "post" set_ios() function */ if (host->ops && host->ops->set_ios_post) - host->ops->set_ios_post(host); + return host->ops->set_ios_post(host); return 0; } @@ -681,8 +710,18 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, u32 f_max, u32 f_min) { u32 caps, caps_1 = 0; +#if CONFIG_IS_ENABLED(DM_MMC) + u32 mask[2] = {0}; + int ret; + ret = dev_read_u32_array(host->mmc->dev, "sdhci-caps-mask", + mask, 2); + if (ret && ret != -1) + return ret; + caps = ~mask[1] & sdhci_readl(host, SDHCI_CAPABILITIES); +#else caps = sdhci_readl(host, SDHCI_CAPABILITIES); +#endif #ifdef CONFIG_MMC_SDHCI_SDMA if (!(caps & SDHCI_CAN_DO_SDMA)) { @@ -722,7 +761,11 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, /* Check whether the clock multiplier is supported or not */ if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) { +#if CONFIG_IS_ENABLED(DM_MMC) + caps_1 = ~mask[0] & sdhci_readl(host, SDHCI_CAPABILITIES_1); +#else caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1); +#endif host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >> SDHCI_CLOCK_MUL_SHIFT; } @@ -779,9 +822,6 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, cfg->host_caps &= ~MMC_MODE_HS_52MHz; } - if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) - caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1); - if (!(cfg->voltages & MMC_VDD_165_195) || (host->quirks & SDHCI_QUIRK_NO_1_8_V)) caps_1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | diff --git a/drivers/mmc/xenon_sdhci.c b/drivers/mmc/xenon_sdhci.c index b576511338..829b75683b 100644 --- a/drivers/mmc/xenon_sdhci.c +++ b/drivers/mmc/xenon_sdhci.c @@ -326,7 +326,7 @@ static void xenon_mask_cmd_conflict_err(struct sdhci_host *host) } /* Platform specific function for post set_ios configuration */ -static void xenon_sdhci_set_ios_post(struct sdhci_host *host) +static int xenon_sdhci_set_ios_post(struct sdhci_host *host) { struct xenon_sdhci_priv *priv = host->mmc->priv; uint speed = host->mmc->tran_speed; @@ -364,6 +364,8 @@ static void xenon_sdhci_set_ios_post(struct sdhci_host *host) /* Re-init the PHY */ xenon_mmc_phy_set(host); + + return 0; } /* Install a driver specific handler for post set_ios configuration */ diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index 08023783de..c525084250 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -48,11 +48,6 @@ static const u8 mode2timing[] = { [MMC_HS_200] = MMC_HS200_BUS_SPEED, }; -#define SDHCI_HOST_CTRL2 0x3E -#define SDHCI_CTRL2_MODE_MASK 0x7 -#define SDHCI_18V_SIGNAL 0x8 -#define SDHCI_CTRL_EXEC_TUNING 0x0040 -#define SDHCI_CTRL_TUNED_CLK 0x80 #define SDHCI_TUNING_LOOP_COUNT 40 static void arasan_zynqmp_dll_reset(struct sdhci_host *host, u8 deviceid) @@ -99,9 +94,9 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) host = priv->host; deviceid = priv->deviceid; - ctrl = sdhci_readw(host, SDHCI_HOST_CTRL2); + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ctrl |= SDHCI_CTRL_EXEC_TUNING; - sdhci_writew(host, ctrl, SDHCI_HOST_CTRL2); + sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); mdelay(1); @@ -133,7 +128,7 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE); mmc_send_cmd(mmc, &cmd, NULL); - ctrl = sdhci_readw(host, SDHCI_HOST_CTRL2); + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); if (cmd.cmdidx == MMC_CMD_SEND_TUNING_BLOCK) udelay(1); @@ -142,7 +137,7 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) if (tuning_loop_counter < 0) { ctrl &= ~SDHCI_CTRL_TUNED_CLK; - sdhci_writel(host, ctrl, SDHCI_HOST_CTRL2); + sdhci_writel(host, ctrl, SDHCI_HOST_CONTROL2); } if (!(ctrl & SDHCI_CTRL_TUNED_CLK)) { @@ -184,36 +179,14 @@ static void arasan_sdhci_set_control_reg(struct sdhci_host *host) return; if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) { - reg = sdhci_readw(host, SDHCI_HOST_CTRL2); - reg |= SDHCI_18V_SIGNAL; - sdhci_writew(host, reg, SDHCI_HOST_CTRL2); + reg = sdhci_readw(host, SDHCI_HOST_CONTROL2); + reg |= SDHCI_CTRL_VDD_180; + sdhci_writew(host, reg, SDHCI_HOST_CONTROL2); } if (mmc->selected_mode > SD_HS && - mmc->selected_mode <= UHS_DDR50) { - reg = sdhci_readw(host, SDHCI_HOST_CTRL2); - reg &= ~SDHCI_CTRL2_MODE_MASK; - switch (mmc->selected_mode) { - case UHS_SDR12: - reg |= UHS_SDR12_BUS_SPEED; - break; - case UHS_SDR25: - reg |= UHS_SDR25_BUS_SPEED; - break; - case UHS_SDR50: - reg |= UHS_SDR50_BUS_SPEED; - break; - case UHS_SDR104: - reg |= UHS_SDR104_BUS_SPEED; - break; - case UHS_DDR50: - reg |= UHS_DDR50_BUS_SPEED; - break; - default: - break; - } - sdhci_writew(host, reg, SDHCI_HOST_CTRL2); - } + mmc->selected_mode <= UHS_DDR50) + sdhci_set_uhs_timing(host); } #endif |