The default controller configuration which was previously setup by
platform helper functions is moved into the driver.
Cc: Ben Dooks <ben-linux@xxxxxxxxx>
Signed-off-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx>
---
drivers/mmc/host/sdhci-s3c.c | 28 +++++++++++++++++-----------
1 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 2bd7bf4..d891682 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -203,17 +203,23 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL2);
}
- /* reconfigure the hardware for new clock rate */
-
- {
- struct mmc_ios ios;
-
- ios.clock = clock;
-
- if (ourhost->pdata->cfg_card)
- (ourhost->pdata->cfg_card)(ourhost->pdev, host->ioaddr,
- &ios, NULL);
- }
+ /* reprogram default hardware configuration */
+ writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA,
+ host->ioaddr + S3C64XX_SDHCI_CONTROL4);
+
+ ctrl = readl(host->ioaddr + S3C_SDHCI_CONTROL2);
+ ctrl |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
+ S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
+ S3C_SDHCI_CTRL2_ENFBCLKRX |
+ S3C_SDHCI_CTRL2_DFCNT_NONE |
+ S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
+ writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL2);
+
+ /* reconfigure the controller for new clock rate */
+ ctrl = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
+ if (clock < 25 * 1000000)
+ ctrl |= (S3C_SDHCI_CTRL3_FCSEL3 | S3C_SDHCI_CTRL3_FCSEL2);
+ writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL3);
}
/**
--
1.6.6.rc2
--
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