mmc: fsl_esdhc: Fix i.MX53 eSDHCv3 clock

[people/ms/u-boot.git] / drivers / mmc / fsl_esdhc.c

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 71c62f42337b01073ca100b43a5e8fd4631b1249..8d1e2f8a01cfbdefaebef8811044741ba3392bc2 100644 (file)
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -528,14 +528,19 @@ out:
 
 static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
 {
+       struct fsl_esdhc *regs = priv->esdhc_regs;
        int div = 1;
 #ifdef ARCH_MXC
+#ifdef CONFIG_MX53
+       /* For i.MX53 eSDHCv3, SYSCTL.SDCLKFS may not be set to 0. */
+       int pre_div = (regs == (struct fsl_esdhc *)MMC_SDHC3_BASE_ADDR) ? 2 : 1;
+#else
        int pre_div = 1;
+#endif
 #else
        int pre_div = 2;
 #endif
        int ddr_pre_div = mmc->ddr_mode ? 2 : 1;
-       struct fsl_esdhc *regs = priv->esdhc_regs;
        int sdhc_clk = priv->sdhc_clk;
        uint clk;