diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c
index abe8c11..629ba67 100644
--- a/drivers/ddr/fsl/arm_ddr_gen3.c
+++ b/drivers/ddr/fsl/arm_ddr_gen3.c
@@ -13,6 +13,7 @@
 #include <fsl_immap.h>
 #include <fsl_ddr.h>
 #include <asm/arch/clock.h>
+#include <linux/delay.h>
 
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
index 2b8475f..eab5b82 100644
--- a/drivers/ddr/fsl/fsl_ddr_gen4.c
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -16,6 +16,7 @@
 	defined(CONFIG_ARM)
 #include <asm/arch/clock.h>
 #endif
+#include <linux/delay.h>
 
 #define CTLR_INTLV_MASK	0x20000000
 
diff --git a/drivers/ddr/fsl/fsl_mmdc.c b/drivers/ddr/fsl/fsl_mmdc.c
index 0828512..cbd625b 100644
--- a/drivers/ddr/fsl/fsl_mmdc.c
+++ b/drivers/ddr/fsl/fsl_mmdc.c
@@ -10,6 +10,7 @@
 #include <common.h>
 #include <fsl_mmdc.h>
 #include <asm/io.h>
+#include <linux/delay.h>
 
 static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits)
 {
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
index 4b39b17..572f370 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
@@ -7,6 +7,7 @@
 #include <log.h>
 #include <asm/io.h>
 #include <fsl_ddr_sdram.h>
+#include <linux/delay.h>
 
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
index 54c10a8..d7b8064 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
@@ -7,6 +7,7 @@
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <fsl_ddr_sdram.h>
+#include <linux/delay.h>
 
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
index c6e983b..ab8d2de 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <fsl_ddr_sdram.h>
 #include <asm/processor.h>
+#include <linux/delay.h>
 
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
diff --git a/drivers/ddr/fsl/mpc86xx_ddr.c b/drivers/ddr/fsl/mpc86xx_ddr.c
index 737a879..43ed1ba 100644
--- a/drivers/ddr/fsl/mpc86xx_ddr.c
+++ b/drivers/ddr/fsl/mpc86xx_ddr.c
@@ -7,6 +7,7 @@
 #include <log.h>
 #include <asm/io.h>
 #include <fsl_ddr_sdram.h>
+#include <linux/delay.h>
 
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c
index 7d6e08d..ac4f8d2 100644
--- a/drivers/ddr/fsl/util.c
+++ b/drivers/ddr/fsl/util.c
@@ -8,6 +8,7 @@
 #include <asm/fsl_law.h>
 #endif
 #include <div64.h>
+#include <linux/delay.h>
 
 #include <fsl_ddr.h>
 #include <fsl_immap.h>