diff --git a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
index bdeb625..7759acd 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
@@ -42,7 +42,9 @@
 #else
 #define CONFIG_SYS_PCIE1_PHYS_SIZE	0x800000000
 #define CONFIG_SYS_PCIE2_PHYS_SIZE	0x800000000
+#ifndef CONFIG_SYS_PCIE3_PHYS_SIZE
 #define CONFIG_SYS_PCIE3_PHYS_SIZE	0x800000000
+#endif
 #define CONFIG_SYS_PCIE4_PHYS_SIZE	0x800000000
 #define SYS_PCIE5_PHYS_SIZE		0x800000000
 #define SYS_PCIE6_PHYS_SIZE		0x800000000
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index 2b12e9f..ee9b33b 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -186,6 +186,9 @@
 #elif CONFIG_ARCH_LS1028A
 #define CONFIG_SYS_PCIE1_PHYS_ADDR		0x8000000000ULL
 #define CONFIG_SYS_PCIE2_PHYS_ADDR		0x8800000000ULL
+#define CONFIG_SYS_PCIE3_PHYS_ADDR		0x01f0000000ULL
+/* this is used by integrated PCI on LS1028, includes ECAM and register space */
+#define CONFIG_SYS_PCIE3_PHYS_SIZE		0x0010000000ULL
 #else
 #define CONFIG_SYS_PCIE1_PHYS_ADDR		0x1000000000ULL
 #define CONFIG_SYS_PCIE2_PHYS_ADDR		0x1200000000ULL