diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/sdhci.c | 28 | ||||
| -rw-r--r-- | drivers/mmc/zynq_sdhci.c | 45 |
2 files changed, 37 insertions, 36 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 61cf216e12..0a0770cc20 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -534,6 +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) { 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 |