diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-pci-o2micro.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-o2micro.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c index 0d4d343dbb77..bca1d095b759 100644 --- a/drivers/mmc/host/sdhci-pci-o2micro.c +++ b/drivers/mmc/host/sdhci-pci-o2micro.c @@ -32,6 +32,7 @@ #define O2_SD_CAPS 0xE0 #define O2_SD_ADMA1 0xE2 #define O2_SD_ADMA2 0xE7 +#define O2_SD_MISC_CTRL2 0xF0 #define O2_SD_INF_MOD 0xF1 #define O2_SD_MISC_CTRL4 0xFC #define O2_SD_MISC_CTRL 0x1C0 @@ -317,11 +318,12 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, u32 opcode) u32 reg_val; /* - * This handler only implements the eMMC tuning that is specific to + * This handler implements the hardware tuning that is specific to * this controller. Fall back to the standard method for other TIMING. */ if ((host->timing != MMC_TIMING_MMC_HS200) && - (host->timing != MMC_TIMING_UHS_SDR104)) + (host->timing != MMC_TIMING_UHS_SDR104) && + (host->timing != MMC_TIMING_UHS_SDR50)) return sdhci_execute_tuning(mmc, opcode); if (WARN_ON((opcode != MMC_SEND_TUNING_BLOCK_HS200) && @@ -631,6 +633,8 @@ static int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot) if (reg & 0x1) host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12; + host->quirks2 |= SDHCI_QUIRK2_BROKEN_DDR50; + sdhci_pci_o2_enable_msi(chip, host); if (chip->pdev->device == PCI_DEVICE_ID_O2_SEABIRD0) { @@ -874,6 +878,12 @@ static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip) /* Set Tuning Windows to 5 */ pci_write_config_byte(chip->pdev, O2_SD_TUNING_CTRL, 0x55); + //Adjust 1st and 2nd CD debounce time + pci_read_config_dword(chip->pdev, O2_SD_MISC_CTRL2, &scratch_32); + scratch_32 &= 0xFFE7FFFF; + scratch_32 |= 0x00180000; + pci_write_config_dword(chip->pdev, O2_SD_MISC_CTRL2, scratch_32); + pci_write_config_dword(chip->pdev, O2_SD_DETECT_SETTING, 1); /* Lock WP */ ret = pci_read_config_byte(chip->pdev, O2_SD_LOCK_WP, &scratch); |