diff options
Diffstat (limited to 'drivers/mmc/sdhci.c')
-rw-r--r-- | drivers/mmc/sdhci.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 1709643da8..2e3c408bc5 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -260,7 +260,7 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) if (clock == 0) return 0; - if (host->version >= SDHCI_SPEC_300) { + if ((host->version & SDHCI_SPEC_VER_MASK) >= SDHCI_SPEC_300) { /* Version 3.00 divisors must be a multiple of 2. */ if (mmc->f_max <= clock) div = 1; @@ -279,6 +279,9 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) } div >>= 1; + if (host->set_clock) + host->set_clock(host->index, div); + clk = (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT; clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN) << SDHCI_DIVIDER_HI_SHIFT; @@ -347,10 +350,10 @@ void sdhci_set_ios(struct mmc *mmc) ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); if (mmc->bus_width == 8) { ctrl &= ~SDHCI_CTRL_4BITBUS; - if (host->version >= SDHCI_SPEC_300) + if ((host->version & SDHCI_SPEC_VER_MASK) >= SDHCI_SPEC_300) ctrl |= SDHCI_CTRL_8BITBUS; } else { - if (host->version >= SDHCI_SPEC_300) + if ((host->version & SDHCI_SPEC_VER_MASK) >= SDHCI_SPEC_300) ctrl &= ~SDHCI_CTRL_8BITBUS; if (mmc->bus_width == 4) ctrl |= SDHCI_CTRL_4BITBUS; @@ -381,12 +384,25 @@ int sdhci_init(struct mmc *mmc) } } + sdhci_set_power(host, fls(mmc->voltages) - 1); + + if (host->quirks & SDHCI_QUIRK_NO_CD) { + unsigned int status; + + sdhci_writel(host, SDHCI_CTRL_CD_TEST_INS | SDHCI_CTRL_CD_TEST, + SDHCI_HOST_CONTROL); + + status = sdhci_readl(host, SDHCI_PRESENT_STATE); + while ((!(status & SDHCI_CARD_PRESENT)) || + (!(status & SDHCI_CARD_STATE_STABLE)) || + (!(status & SDHCI_CARD_DETECT_PIN_LEVEL))) + status = sdhci_readl(host, SDHCI_PRESENT_STATE); + } + /* Eable all state */ sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_ENABLE); sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_SIGNAL_ENABLE); - sdhci_set_power(host, fls(mmc->voltages) - 1); - return 0; } @@ -421,7 +437,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) if (max_clk) mmc->f_max = max_clk; else { - if (host->version >= SDHCI_SPEC_300) + if ((host->version & SDHCI_SPEC_VER_MASK) >= SDHCI_SPEC_300) mmc->f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT; else @@ -436,7 +452,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) if (min_clk) mmc->f_min = min_clk; else { - if (host->version >= SDHCI_SPEC_300) + if ((host->version & SDHCI_SPEC_VER_MASK) >= SDHCI_SPEC_300) mmc->f_min = mmc->f_max / SDHCI_MAX_DIV_SPEC_300; else mmc->f_min = mmc->f_max / SDHCI_MAX_DIV_SPEC_200; |