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| author | Jaehoon Chung <jh80.chung@samsung.com> | 2012-04-23 02:36:26 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2012-05-08 18:02:22 -0500 |
| commit | 236bfecff8091356d81e79da3281b9e4af967468 (patch) | |
| tree | 0d877536adaf11f7e1d05ddc6c0e0ccab1db4600 /drivers/mmc/sdhci.c | |
| parent | 3a6383207be3f71b39004e64464a6e99290b16fa (diff) | |
| download | talos-obmc-uboot-236bfecff8091356d81e79da3281b9e4af967468.tar.gz talos-obmc-uboot-236bfecff8091356d81e79da3281b9e4af967468.zip | |
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.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 7790a1e8da..1709643da8 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); |
