fsl_esdhc: Add the workaround for erratum ESDHC135 (enable on P4080)

[platform/kernel/u-boot.git] / drivers / mmc / fsl_esdhc.c

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index fe94164..d01c926 100644 (file)
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -472,6 +472,11 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 
        voltage_caps = 0;
        caps = regs->hostcapblt;
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC135
+       caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
+                       ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
+#endif
        if (caps & ESDHC_HOSTCAPBLT_VS18)
                voltage_caps |= MMC_VDD_165_195;
        if (caps & ESDHC_HOSTCAPBLT_VS30)