diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/Kconfig | 20 | ||||
-rw-r--r-- | drivers/mmc/bcmstb_sdhci.c | 73 | ||||
-rw-r--r-- | drivers/mmc/dw_mmc.c | 38 | ||||
-rw-r--r-- | drivers/mmc/fsl_esdhc.c | 29 | ||||
-rw-r--r-- | drivers/mmc/renesas-sdhi.c | 185 | ||||
-rw-r--r-- | drivers/mmc/rockchip_dw_mmc.c | 4 | ||||
-rw-r--r-- | drivers/mmc/sdhci.c | 188 | ||||
-rw-r--r-- | drivers/mmc/tmio-common.h | 4 |
8 files changed, 451 insertions, 90 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index c34dd5d1879..c23299ea962 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -78,6 +78,12 @@ config SUPPORT_EMMC_RPMB Enable support for reading, writing and programming the key for the Replay Protection Memory Block partition in eMMC. +config SUPPORT_EMMC_BOOT + bool "Support some additional features of the eMMC boot partitions" + help + Enable support for eMMC boot partitions. This also enables + extensions within the mmc command. + config MMC_IO_VOLTAGE bool "Support IO voltage configuration" help @@ -385,6 +391,20 @@ config MMC_SDHCI_SDMA This enables support for the SDMA (Single Operation DMA) defined in the SD Host Controller Standard Specification Version 1.00 . +config MMC_SDHCI_ADMA + bool "Support SDHCI ADMA2" + depends on MMC_SDHCI + help + This enables support for the ADMA (Advanced DMA) defined + in the SD Host Controller Standard Specification Version 3.00 + +config SPL_MMC_SDHCI_ADMA + bool "Support SDHCI ADMA2 in SPL" + depends on MMC_SDHCI + help + This enables support for the ADMA (Advanced DMA) defined + in the SD Host Controller Standard Specification Version 3.00 in SPL. + config MMC_SDHCI_ATMEL bool "Atmel SDHCI controller support" depends on ARCH_AT91 diff --git a/drivers/mmc/bcmstb_sdhci.c b/drivers/mmc/bcmstb_sdhci.c index 443ae8d4817..eef46f3af15 100644 --- a/drivers/mmc/bcmstb_sdhci.c +++ b/drivers/mmc/bcmstb_sdhci.c @@ -1,11 +1,13 @@ // SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2018 Cisco Systems, Inc. + * (C) Copyright 2019 Synamedia * * Author: Thomas Fitzsimmons <fitzsim@fitzsim.org> */ #include <common.h> +#include <dm.h> #include <mach/sdhci.h> #include <malloc.h> #include <sdhci.h> @@ -36,32 +38,67 @@ */ #define BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY 400000 -static char *BCMSTB_SDHCI_NAME = "bcmstb-sdhci"; - /* * This driver has only been tested with eMMC devices; SD devices may * not work. */ -int bcmstb_sdhci_init(phys_addr_t regbase) +struct sdhci_bcmstb_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + +static int sdhci_bcmstb_bind(struct udevice *dev) { - struct sdhci_host *host = NULL; + struct sdhci_bcmstb_plat *plat = dev_get_platdata(dev); - host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); - if (!host) { - printf("%s: Failed to allocate memory\n", __func__); - return 1; - } - memset(host, 0, sizeof(*host)); + return sdhci_bind(dev, &plat->mmc, &plat->cfg); +} + +static int sdhci_bcmstb_probe(struct udevice *dev) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct sdhci_bcmstb_plat *plat = dev_get_platdata(dev); + struct sdhci_host *host = dev_get_priv(dev); + fdt_addr_t base; + int ret; - host->name = BCMSTB_SDHCI_NAME; - host->ioaddr = (void *)regbase; - host->quirks = 0; + base = devfdt_get_addr(dev); + if (base == FDT_ADDR_T_NONE) + return -EINVAL; - host->cfg.part_type = PART_TYPE_DOS; + host->name = dev->name; + host->ioaddr = (void *)base; - host->version = sdhci_readw(host, SDHCI_HOST_VERSION); + ret = mmc_of_parse(dev, &plat->cfg); + if (ret) + return ret; - return add_sdhci(host, - BCMSTB_SDHCI_MAXIMUM_CLOCK_FREQUENCY, - BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY); + ret = sdhci_setup_cfg(&plat->cfg, host, + BCMSTB_SDHCI_MAXIMUM_CLOCK_FREQUENCY, + BCMSTB_SDHCI_MINIMUM_CLOCK_FREQUENCY); + if (ret) + return ret; + + upriv->mmc = &plat->mmc; + host->mmc = &plat->mmc; + host->mmc->priv = host; + + return sdhci_probe(dev); } + +static const struct udevice_id sdhci_bcmstb_match[] = { + { .compatible = "brcm,bcm7425-sdhci" }, + { .compatible = "brcm,sdhci-brcmstb" }, + { } +}; + +U_BOOT_DRIVER(sdhci_bcmstb) = { + .name = "sdhci-bcmstb", + .id = UCLASS_MMC, + .of_match = sdhci_bcmstb_match, + .ops = &sdhci_ops, + .bind = sdhci_bcmstb_bind, + .probe = sdhci_bcmstb_probe, + .priv_auto_alloc_size = sizeof(struct sdhci_host), + .platdata_auto_alloc_size = sizeof(struct sdhci_bcmstb_plat), +}; diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 93a836eac36..1992d611821 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -74,15 +74,15 @@ static void dwmci_prepare_data(struct dwmci_host *host, dwmci_set_idma_desc(cur_idmac, flags, cnt, (ulong)bounce_buffer + (i * PAGE_SIZE)); + cur_idmac++; if (blk_cnt <= 8) break; blk_cnt -= 8; - cur_idmac++; i++; } while(1); data_end = (ulong)cur_idmac; - flush_dcache_range(data_start, data_end + ARCH_DMA_MINALIGN); + flush_dcache_range(data_start, roundup(data_end, ARCH_DMA_MINALIGN)); ctrl = dwmci_readl(host, DWMCI_CTRL); ctrl |= DWMCI_IDMAC_EN | DWMCI_DMA_EN; @@ -114,22 +114,40 @@ static int dwmci_fifo_ready(struct dwmci_host *host, u32 bit, u32 *len) return 0; } +static unsigned int dwmci_get_timeout(struct mmc *mmc, const unsigned int size) +{ + unsigned int timeout; + + timeout = size * 8 * 1000; /* counting in bits and msec */ + timeout *= 2; /* wait twice as long */ + timeout /= mmc->clock; + timeout /= mmc->bus_width; + timeout /= mmc->ddr_mode ? 2 : 1; + timeout = (timeout < 1000) ? 1000 : timeout; + + return timeout; +} + static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data) { + struct mmc *mmc = host->mmc; int ret = 0; - u32 timeout = 240000; - u32 mask, size, i, len = 0; + u32 timeout, mask, size, i, len = 0; u32 *buf = NULL; ulong start = get_timer(0); u32 fifo_depth = (((host->fifoth_val & RX_WMARK_MASK) >> RX_WMARK_SHIFT) + 1) * 2; - size = data->blocksize * data->blocks / 4; + size = data->blocksize * data->blocks; if (data->flags == MMC_DATA_READ) buf = (unsigned int *)data->dest; else buf = (unsigned int *)data->src; + timeout = dwmci_get_timeout(mmc, size); + + size /= 4; + for (;;) { mask = dwmci_readl(host, DWMCI_RINTSTS); /* Error during data transfer. */ @@ -252,14 +270,20 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, dwmci_wait_reset(host, DWMCI_CTRL_FIFO_RESET); } else { if (data->flags == MMC_DATA_READ) { - bounce_buffer_start(&bbstate, (void*)data->dest, + ret = bounce_buffer_start(&bbstate, + (void*)data->dest, data->blocksize * data->blocks, GEN_BB_WRITE); } else { - bounce_buffer_start(&bbstate, (void*)data->src, + ret = bounce_buffer_start(&bbstate, + (void*)data->src, data->blocksize * data->blocks, GEN_BB_READ); } + + if (ret) + return ret; + dwmci_prepare_data(host, data, cur_idmac, bbstate.bounce_buffer); } diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 9e34557d165..672691fa6a7 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -297,6 +297,13 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, printf("\nThe SD card is locked. Can not write to a locked card.\n\n"); return -ETIMEDOUT; } + } else { +#ifdef CONFIG_DM_GPIO + if (dm_gpio_is_valid(&priv->wp_gpio) && dm_gpio_get_value(&priv->wp_gpio)) { + printf("\nThe SD card is locked. Can not write to a locked card.\n\n"); + return -ETIMEDOUT; + } +#endif } esdhc_clrsetbits32(®s->wml, WML_WR_WML_MASK, @@ -1428,7 +1435,9 @@ void fdt_fixup_esdhc(void *blob, bd_t *bd) #endif #if CONFIG_IS_ENABLED(DM_MMC) +#ifndef CONFIG_PPC #include <asm/arch/clock.h> +#endif __weak void init_clk_usdhc(u32 index) { } @@ -1453,8 +1462,11 @@ static int fsl_esdhc_probe(struct udevice *dev) addr = dev_read_addr(dev); if (addr == FDT_ADDR_T_NONE) return -EINVAL; - +#ifdef CONFIG_PPC + priv->esdhc_regs = (struct fsl_esdhc *)lower_32_bits(addr); +#else priv->esdhc_regs = (struct fsl_esdhc *)addr; +#endif priv->dev = dev; priv->mode = -1; if (data) { @@ -1489,14 +1501,15 @@ static int fsl_esdhc_probe(struct udevice *dev) #endif } - priv->wp_enable = 1; - + if (dev_read_prop(dev, "fsl,wp-controller", NULL)) { + priv->wp_enable = 1; + } else { + priv->wp_enable = 0; #ifdef CONFIG_DM_GPIO - ret = gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, + gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, GPIOD_IS_IN); - if (ret) - priv->wp_enable = 0; #endif + } priv->vs18_enable = 0; @@ -1560,7 +1573,11 @@ static int fsl_esdhc_probe(struct udevice *dev) priv->sdhc_clk = clk_get_rate(&priv->per_clk); } else { +#ifndef CONFIG_PPC priv->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK + dev->seq); +#else + priv->sdhc_clk = gd->arch.sdhc_clk; +#endif if (priv->sdhc_clk <= 0) { dev_err(dev, "Unable to get clk for %s\n", dev->name); return -EINVAL; diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 6c51ccc294b..7c53aa221e5 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -23,24 +23,126 @@ /* SCC registers */ #define RENESAS_SDHI_SCC_DTCNTL 0x800 -#define RENESAS_SDHI_SCC_DTCNTL_TAPEN BIT(0) -#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT 16 -#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_MASK 0xff +#define RENESAS_SDHI_SCC_DTCNTL_TAPEN BIT(0) +#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT 16 +#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_MASK 0xff #define RENESAS_SDHI_SCC_TAPSET 0x804 #define RENESAS_SDHI_SCC_DT2FF 0x808 #define RENESAS_SDHI_SCC_CKSEL 0x80c -#define RENESAS_SDHI_SCC_CKSEL_DTSEL BIT(0) -#define RENESAS_SDHI_SCC_RVSCNTL 0x810 -#define RENESAS_SDHI_SCC_RVSCNTL_RVSEN BIT(0) +#define RENESAS_SDHI_SCC_CKSEL_DTSEL BIT(0) +#define RENESAS_SDHI_SCC_RVSCNTL 0x810 +#define RENESAS_SDHI_SCC_RVSCNTL_RVSEN BIT(0) #define RENESAS_SDHI_SCC_RVSREQ 0x814 -#define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2) +#define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2) #define RENESAS_SDHI_SCC_SMPCMP 0x818 -#define RENESAS_SDHI_SCC_TMPPORT2 0x81c -#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31) -#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4) +#define RENESAS_SDHI_SCC_TMPPORT2 0x81c +#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31) +#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4) +#define RENESAS_SDHI_SCC_TMPPORT3 0x828 +#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_0 3 +#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_1 2 +#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_2 1 +#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_3 0 +#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_MASK 0x3 +#define RENESAS_SDHI_SCC_TMPPORT4 0x82c +#define RENESAS_SDHI_SCC_TMPPORT4_DLL_ACC_START BIT(0) +#define RENESAS_SDHI_SCC_TMPPORT5 0x830 +#define RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_R BIT(8) +#define RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_W (0 << 8) +#define RENESAS_SDHI_SCC_TMPPORT5_DLL_ADR_MASK 0x3F +#define RENESAS_SDHI_SCC_TMPPORT6 0x834 +#define RENESAS_SDHI_SCC_TMPPORT7 0x838 +#define RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE 0xa5000000 +#define RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK 0x1f +#define RENESAS_SDHI_SCC_TMPPORT_MANUAL_MODE BIT(7) #define RENESAS_SDHI_MAX_TAP 3 +static u32 sd_scc_tmpport_read32(struct tmio_sd_priv *priv, u32 addr) +{ + /* read mode */ + tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_R | + (RENESAS_SDHI_SCC_TMPPORT5_DLL_ADR_MASK & addr), + RENESAS_SDHI_SCC_TMPPORT5); + + /* access start and stop */ + tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT4_DLL_ACC_START, + RENESAS_SDHI_SCC_TMPPORT4); + tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_TMPPORT4); + + return tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT7); +} + +static void sd_scc_tmpport_write32(struct tmio_sd_priv *priv, u32 addr, u32 val) +{ + /* write mode */ + tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_W | + (RENESAS_SDHI_SCC_TMPPORT5_DLL_ADR_MASK & addr), + RENESAS_SDHI_SCC_TMPPORT5); + tmio_sd_writel(priv, val, RENESAS_SDHI_SCC_TMPPORT6); + + /* access start and stop */ + tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT4_DLL_ACC_START, + RENESAS_SDHI_SCC_TMPPORT4); + tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_TMPPORT4); +} + +static void renesas_sdhi_adjust_hs400_mode_enable(struct tmio_sd_priv *priv) +{ + u32 calib_code; + + if (!priv->adjust_hs400_enable) + return; + + if (!priv->needs_adjust_hs400) + return; + + /* + * Enabled Manual adjust HS400 mode + * + * 1) Disabled Write Protect + * W(addr=0x00, WP_DISABLE_CODE) + * 2) Read Calibration code and adjust + * R(addr=0x26) - adjust value + * 3) Enabled Manual Calibration + * W(addr=0x22, manual mode | Calibration code) + * 4) Set Offset value to TMPPORT3 Reg + */ + sd_scc_tmpport_write32(priv, 0x00, + RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE); + calib_code = sd_scc_tmpport_read32(priv, 0x26); + calib_code &= RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK; + if (calib_code > priv->adjust_hs400_calibrate) + calib_code -= priv->adjust_hs400_calibrate; + else + calib_code = 0; + sd_scc_tmpport_write32(priv, 0x22, + RENESAS_SDHI_SCC_TMPPORT_MANUAL_MODE | + calib_code); + tmio_sd_writel(priv, priv->adjust_hs400_offset, + RENESAS_SDHI_SCC_TMPPORT3); + + /* Clear flag */ + priv->needs_adjust_hs400 = false; +} + +static void renesas_sdhi_adjust_hs400_mode_disable(struct tmio_sd_priv *priv) +{ + + /* Disabled Manual adjust HS400 mode + * + * 1) Disabled Write Protect + * W(addr=0x00, WP_DISABLE_CODE) + * 2) Disabled Manual Calibration + * W(addr=0x22, 0) + * 3) Clear offset value to TMPPORT3 Reg + */ + sd_scc_tmpport_write32(priv, 0x00, + RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE); + sd_scc_tmpport_write32(priv, 0x22, 0); + tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_TMPPORT3); +} + static unsigned int renesas_sdhi_init_tuning(struct tmio_sd_priv *priv) { u32 reg; @@ -96,6 +198,9 @@ static void renesas_sdhi_reset_tuning(struct tmio_sd_priv *priv) RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL); tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2); + /* Disable HS400 mode adjustment */ + renesas_sdhi_adjust_hs400_mode_disable(priv); + reg = tmio_sd_readl(priv, TMIO_SD_CLKCTL); reg |= TMIO_SD_CLKCTL_SCLKEN; tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL); @@ -137,6 +242,10 @@ static int renesas_sdhi_hs400(struct udevice *dev) tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2); + /* Disable HS400 mode adjustment */ + if (!hs400) + renesas_sdhi_adjust_hs400_mode_disable(priv); + tmio_sd_writel(priv, (0x8 << RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT) | RENESAS_SDHI_SCC_DTCNTL_TAPEN, RENESAS_SDHI_SCC_DTCNTL); @@ -159,6 +268,10 @@ static int renesas_sdhi_hs400(struct udevice *dev) reg |= RENESAS_SDHI_SCC_RVSCNTL_RVSEN; tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_RVSCNTL); + /* Execute adjust hs400 offset after setting to HS400 mode */ + if (hs400) + priv->needs_adjust_hs400 = true; + return 0; } @@ -188,6 +301,8 @@ static int renesas_sdhi_select_tuning(struct tmio_sd_priv *priv, bool select = false; u32 reg; + priv->needs_adjust_hs400 = false; + /* Clear SCC_RVSREQ */ tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_RVSREQ); @@ -405,8 +520,29 @@ static int renesas_sdhi_wait_dat0(struct udevice *dev, int state, int timeout) } #endif +static int renesas_sdhi_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + int ret; + + ret = tmio_sd_send_cmd(dev, cmd, data); + if (ret) + return ret; + +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + struct tmio_sd_priv *priv = dev_get_priv(dev); + + if (cmd->cmdidx == MMC_CMD_SEND_STATUS) + renesas_sdhi_adjust_hs400_mode_enable(priv); +#endif + + return 0; +} + static const struct dm_mmc_ops renesas_sdhi_ops = { - .send_cmd = tmio_sd_send_cmd, + .send_cmd = renesas_sdhi_send_cmd, .set_ios = renesas_sdhi_set_ios, .get_cd = tmio_sd_get_cd, #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \ @@ -451,14 +587,37 @@ static void renesas_sdhi_filter_caps(struct udevice *dev) if (!(priv->caps & TMIO_SD_CAP_RCAR_GEN3)) return; - /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1 */ + /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1,ES1.2 */ if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) && (rmobile_get_cpu_rev_integer() <= 1)) || ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && (rmobile_get_cpu_rev_integer() == 1) && - (rmobile_get_cpu_rev_fraction() <= 1))) + (rmobile_get_cpu_rev_fraction() <= 2))) plat->cfg.host_caps &= ~MMC_MODE_HS400; + /* M3W ES1.x for x>2 can use HS400 with manual adjustment */ + if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) && + (rmobile_get_cpu_rev_integer() == 1) && + (rmobile_get_cpu_rev_fraction() > 2)) { + priv->adjust_hs400_enable = true; + priv->adjust_hs400_offset = 0; + priv->adjust_hs400_calibrate = 0x9; + } + + /* M3N can use HS400 with manual adjustment */ + if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77965) { + priv->adjust_hs400_enable = true; + priv->adjust_hs400_offset = 0; + priv->adjust_hs400_calibrate = 0x0; + } + + /* E3 can use HS400 with manual adjustment */ + if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77990) { + priv->adjust_hs400_enable = true; + priv->adjust_hs400_offset = 0; + priv->adjust_hs400_calibrate = 0x2; + } + /* H3 ES2.0 uses 4 tuning taps */ if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) && (rmobile_get_cpu_rev_integer() == 2)) diff --git a/drivers/mmc/rockchip_dw_mmc.c b/drivers/mmc/rockchip_dw_mmc.c index bf2d83a52c5..b2a1201631a 100644 --- a/drivers/mmc/rockchip_dw_mmc.c +++ b/drivers/mmc/rockchip_dw_mmc.c @@ -13,8 +13,8 @@ #include <pwrseq.h> #include <syscon.h> #include <asm/gpio.h> -#include <asm/arch/clock.h> -#include <asm/arch/periph.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/periph.h> #include <linux/err.h> struct rockchip_mmc_plat { diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index cdeba914f95..e2bb90abbdf 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -67,17 +67,123 @@ static void sdhci_transfer_pio(struct sdhci_host *host, struct mmc_data *data) } } -static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data, - unsigned int start_addr) +#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA) +static void sdhci_adma_desc(struct sdhci_host *host, char *buf, u16 len, + bool end) +{ + struct sdhci_adma_desc *desc; + u8 attr; + + desc = &host->adma_desc_table[host->desc_slot]; + + attr = ADMA_DESC_ATTR_VALID | ADMA_DESC_TRANSFER_DATA; + if (!end) + host->desc_slot++; + else + attr |= ADMA_DESC_ATTR_END; + + desc->attr = attr; + desc->len = len; + desc->reserved = 0; + desc->addr_lo = (dma_addr_t)buf; +#ifdef CONFIG_DMA_ADDR_T_64BIT + desc->addr_hi = (u64)buf >> 32; +#endif +} + +static void sdhci_prepare_adma_table(struct sdhci_host *host, + struct mmc_data *data) +{ + uint trans_bytes = data->blocksize * data->blocks; + uint desc_count = DIV_ROUND_UP(trans_bytes, ADMA_MAX_LEN); + int i = desc_count; + char *buf; + + host->desc_slot = 0; + + if (data->flags & MMC_DATA_READ) + buf = data->dest; + else + buf = (char *)data->src; + + while (--i) { + sdhci_adma_desc(host, buf, ADMA_MAX_LEN, false); + buf += ADMA_MAX_LEN; + trans_bytes -= ADMA_MAX_LEN; + } + + sdhci_adma_desc(host, buf, trans_bytes, true); + + flush_cache((dma_addr_t)host->adma_desc_table, + ROUND(desc_count * sizeof(struct sdhci_adma_desc), + ARCH_DMA_MINALIGN)); +} +#elif defined(CONFIG_MMC_SDHCI_SDMA) +static void sdhci_prepare_adma_table(struct sdhci_host *host, + struct mmc_data *data) +{} +#endif +#if (defined(CONFIG_MMC_SDHCI_SDMA) || CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)) +static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data, + int *is_aligned, int trans_bytes) { - unsigned int stat, rdy, mask, timeout, block = 0; - bool transfer_done = false; -#ifdef CONFIG_MMC_SDHCI_SDMA unsigned char ctrl; + + if (data->flags == MMC_DATA_READ) + host->start_addr = (dma_addr_t)data->dest; + else + host->start_addr = (dma_addr_t)data->src; + ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); ctrl &= ~SDHCI_CTRL_DMA_MASK; + if (host->flags & USE_ADMA64) + ctrl |= SDHCI_CTRL_ADMA64; + else if (host->flags & USE_ADMA) + ctrl |= SDHCI_CTRL_ADMA32; sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); + + if (host->flags & USE_SDMA) { + if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && + (host->start_addr & 0x7) != 0x0) { + *is_aligned = 0; + host->start_addr = (unsigned long)aligned_buffer; + if (data->flags != MMC_DATA_READ) + memcpy(aligned_buffer, data->src, trans_bytes); + } + +#if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER) + /* + * Always use this bounce-buffer when + * CONFIG_FIXED_SDHCI_ALIGNED_BUFFER is defined + */ + *is_aligned = 0; + host->start_addr = (unsigned long)aligned_buffer; + if (data->flags != MMC_DATA_READ) + memcpy(aligned_buffer, data->src, trans_bytes); +#endif + sdhci_writel(host, host->start_addr, SDHCI_DMA_ADDRESS); + + } else if (host->flags & (USE_ADMA | USE_ADMA64)) { + sdhci_prepare_adma_table(host, data); + + sdhci_writel(host, (u32)host->adma_addr, SDHCI_ADMA_ADDRESS); + if (host->flags & USE_ADMA64) + sdhci_writel(host, (u64)host->adma_addr >> 32, + SDHCI_ADMA_ADDRESS_HI); + } + + flush_cache(host->start_addr, ROUND(trans_bytes, ARCH_DMA_MINALIGN)); +} +#else +static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data, + int *is_aligned, int trans_bytes) +{} #endif +static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data) +{ + dma_addr_t start_addr = host->start_addr; + unsigned int stat, rdy, mask, timeout, block = 0; + bool transfer_done = false; timeout = 1000000; rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL; @@ -104,14 +210,17 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data, continue; } } -#ifdef CONFIG_MMC_SDHCI_SDMA - if (!transfer_done && (stat & SDHCI_INT_DMA_END)) { + if ((host->flags & USE_DMA) && !transfer_done && + (stat & SDHCI_INT_DMA_END)) { sdhci_writel(host, SDHCI_INT_DMA_END, SDHCI_INT_STATUS); - start_addr &= ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1); - start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE; - sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS); + if (host->flags & USE_SDMA) { + start_addr &= + ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1); + start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE; + sdhci_writel(host, start_addr, + SDHCI_DMA_ADDRESS); + } } -#endif if (timeout-- > 0) udelay(10); else { @@ -149,10 +258,11 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, int ret = 0; int trans_bytes = 0, is_aligned = 1; u32 mask, flags, mode; - unsigned int time = 0, start_addr = 0; + unsigned int time = 0; int mmc_dev = mmc_get_blk_desc(mmc)->devnum; ulong start = get_timer(0); + host->start_addr = 0; /* Timeout unit - ms */ static unsigned int cmd_timeout = SDHCI_CMD_DEFAULT_TIMEOUT; @@ -218,33 +328,11 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, if (data->flags == MMC_DATA_READ) mode |= SDHCI_TRNS_READ; -#ifdef CONFIG_MMC_SDHCI_SDMA - if (data->flags == MMC_DATA_READ) - start_addr = (unsigned long)data->dest; - else - start_addr = (unsigned long)data->src; - if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && - (start_addr & 0x7) != 0x0) { - is_aligned = 0; - start_addr = (unsigned long)aligned_buffer; - if (data->flags != MMC_DATA_READ) - memcpy(aligned_buffer, data->src, trans_bytes); + if (host->flags & USE_DMA) { + mode |= SDHCI_TRNS_DMA; + sdhci_prepare_dma(host, data, &is_aligned, trans_bytes); } -#if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER) - /* - * Always use this bounce-buffer when - * CONFIG_FIXED_SDHCI_ALIGNED_BUFFER is defined - */ - is_aligned = 0; - start_addr = (unsigned long)aligned_buffer; - if (data->flags != MMC_DATA_READ) - memcpy(aligned_buffer, data->src, trans_bytes); -#endif - - sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS); - mode |= SDHCI_TRNS_DMA; -#endif sdhci_writew(host, SDHCI_MAKE_BLKSZ(SDHCI_DEFAULT_BOUNDARY_ARG, data->blocksize), SDHCI_BLOCK_SIZE); @@ -255,12 +343,6 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, } sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT); -#ifdef CONFIG_MMC_SDHCI_SDMA - if (data) { - trans_bytes = ALIGN(trans_bytes, CONFIG_SYS_CACHELINE_SIZE); - flush_cache(start_addr, trans_bytes); - } -#endif sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND); start = get_timer(0); do { @@ -286,7 +368,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, ret = -1; if (!ret && data) - ret = sdhci_transfer_data(host, data, start_addr); + ret = sdhci_transfer_data(host, data); if (host->quirks & SDHCI_QUIRK_WAIT_SEND_CMD) udelay(1000); @@ -570,6 +652,24 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, __func__); return -EINVAL; } + + host->flags |= USE_SDMA; +#endif +#if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA) + if (!(caps & SDHCI_CAN_DO_ADMA2)) { + printf("%s: Your controller doesn't support SDMA!!\n", + __func__); + return -EINVAL; + } + host->adma_desc_table = (struct sdhci_adma_desc *) + memalign(ARCH_DMA_MINALIGN, ADMA_TABLE_SZ); + + host->adma_addr = (dma_addr_t)host->adma_desc_table; +#ifdef CONFIG_DMA_ADDR_T_64BIT + host->flags |= USE_ADMA64; +#else + host->flags |= USE_ADMA; +#endif #endif if (host->quirks & SDHCI_QUIRK_REG32_RW) host->version = diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h index 58ce3d65b02..51607de1426 100644 --- a/drivers/mmc/tmio-common.h +++ b/drivers/mmc/tmio-common.h @@ -139,6 +139,10 @@ struct tmio_sd_priv { #if CONFIG_IS_ENABLED(RENESAS_SDHI) u8 tap_set; u8 nrtaps; + bool needs_adjust_hs400; + bool adjust_hs400_enable; + u8 adjust_hs400_offset; + u8 adjust_hs400_calibrate; #endif ulong (*clk_get_rate)(struct tmio_sd_priv *); }; |