diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
index 002e340..f617e88 100644
--- a/arch/arm/mach-socfpga/misc.c
+++ b/arch/arm/mach-socfpga/misc.c
@@ -123,6 +123,12 @@
  */
 int cpu_mmc_init(bd_t *bis)
 {
+/*
+ * FIXME: Temporarily define CONFIG_HPS_SDMMC_BUSWIDTH to prevent breakage
+ *        due to missing patches in u-boot/master . The upcoming patch will
+ *        switch this to OF probing, so this whole block will go away.
+ */
+#define CONFIG_HPS_SDMMC_BUSWIDTH	8
 	return socfpga_dwmmc_init(SOCFPGA_SDMMC_ADDRESS,
 				  CONFIG_HPS_SDMMC_BUSWIDTH, 0);
 }