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-rw-r--r--drivers/mmc/fsl_esdhc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index a2f35e3e99..e8b304ab2f 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2007, 2010-2011 Freescale Semiconductor, Inc
+ * Copyright 2007, 2010-2012 Freescale Semiconductor, Inc
* Andy Fleming
*
* Based vaguely on the pxa mmc code:
@@ -428,8 +428,11 @@ static int esdhc_init(struct mmc *mmc)
udelay(1000);
/* Enable cache snooping */
- if (cfg && !cfg->no_snoop)
+
+ if (cfg && !cfg->no_snoop) {
+ asm volatile("" ::: "memory");
esdhc_write32(&regs->scr, 0x00000040);
+ }
esdhc_write32(&regs->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
@@ -542,6 +545,9 @@ int fsl_esdhc_mmc_init(bd_t *bis)
cfg = malloc(sizeof(struct fsl_esdhc_cfg));
memset(cfg, 0, sizeof(struct fsl_esdhc_cfg));
cfg->esdhc_base = CONFIG_SYS_FSL_ESDHC_ADDR;
+#ifdef CONFIG_ESDHC_NO_SNOOP
+ cfg->no_snoop = 1;
+#endif
return fsl_esdhc_initialize(bis, cfg);
}