From 236bfecff8091356d81e79da3281b9e4af967468 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Mon, 23 Apr 2012 02:36:26 +0000 Subject: mmc: add the quirk to use the sdhci for samsung-soc To support the Samsung-SoC, added the basically functions. Samsung-SoC didn't used the SDHCI_CTRL_HISPD. And added set_control_reg callback for s3c64xx. Signed-off-by: Jaehoon Chung Signed-off-by: Kyungmin Park Acked-by: Lei Wen --- drivers/mmc/sdhci.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/mmc/sdhci.c') diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 7790a1e8da6..1709643da83 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -337,6 +337,9 @@ void sdhci_set_ios(struct mmc *mmc) u32 ctrl; struct sdhci_host *host = (struct sdhci_host *)mmc->priv; + if (host->set_control_reg) + host->set_control_reg(host); + if (mmc->clock != host->clock) sdhci_set_clock(mmc, mmc->clock); @@ -360,6 +363,9 @@ void sdhci_set_ios(struct mmc *mmc) else ctrl &= ~SDHCI_CTRL_HISPD; + if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT) + ctrl &= ~SDHCI_CTRL_HISPD; + sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); } @@ -443,9 +449,15 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) mmc->voltages |= MMC_VDD_29_30 | MMC_VDD_30_31; if (caps & SDHCI_CAN_VDD_180) mmc->voltages |= MMC_VDD_165_195; + + if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE) + mmc->voltages |= host->voltages; + mmc->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT; if (caps & SDHCI_CAN_DO_8BIT) mmc->host_caps |= MMC_MODE_8BIT; + if (host->host_caps) + mmc->host_caps |= host->host_caps; sdhci_reset(host, SDHCI_RESET_ALL); mmc_register(mmc); -- cgit v1.2.3