diff options
| -rw-r--r-- | drivers/mmc/sdhci.c | 8 | ||||
| -rw-r--r-- | include/sdhci.h | 6 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index d31793a7b7..1e5e8a6159 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -462,7 +462,8 @@ static int sdhci_set_ios(struct mmc *mmc) else ctrl &= ~SDHCI_CTRL_HISPD; - if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT) + if ((host->quirks & SDHCI_QUIRK_NO_HISPD_BIT) || + (host->quirks & SDHCI_QUIRK_BROKEN_HISPD_MODE)) ctrl &= ~SDHCI_CTRL_HISPD; sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); @@ -602,6 +603,11 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, cfg->host_caps &= ~MMC_MODE_8BIT; } + if (host->quirks & SDHCI_QUIRK_BROKEN_HISPD_MODE) { + cfg->host_caps &= ~MMC_MODE_HS; + cfg->host_caps &= ~MMC_MODE_HS_52MHz; + } + if (host->host_caps) cfg->host_caps |= host->host_caps; diff --git a/include/sdhci.h b/include/sdhci.h index 7e84012f60..ed35f0434a 100644 --- a/include/sdhci.h +++ b/include/sdhci.h @@ -213,6 +213,12 @@ #define SDHCI_QUIRK_BROKEN_R1B (1 << 2) #define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3) #define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4) +/* + * SDHCI_QUIRK_BROKEN_HISPD_MODE + * the hardware cannot operate correctly in high-speed mode, + * this quirk forces the sdhci host-controller to non high-speed mode + */ +#define SDHCI_QUIRK_BROKEN_HISPD_MODE BIT(5) #define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6) #define SDHCI_QUIRK_USE_WIDE8 (1 << 8) |