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authorJaehoon Chung <jh80.chung@samsung.com>2012-04-23 02:36:26 +0000
committerAndy Fleming <afleming@freescale.com>2012-05-08 18:02:22 -0500
commit236bfecff8091356d81e79da3281b9e4af967468 (patch)
tree0d877536adaf11f7e1d05ddc6c0e0ccab1db4600 /drivers/mmc/sdhci.c
parent3a6383207be3f71b39004e64464a6e99290b16fa (diff)
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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 <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Lei Wen<leiwen@marvell.com>
Diffstat (limited to 'drivers/mmc/sdhci.c')
-rw-r--r--drivers/mmc/sdhci.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 7790a1e..1709643 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);