diff --git a/arch/arm/mach-iop13xx/iq81340mc.c b/arch/arm/mach-iop13xx/iq81340mc.c
index ee59578..2a1bbfe 100644
--- a/arch/arm/mach-iop13xx/iq81340mc.c
+++ b/arch/arm/mach-iop13xx/iq81340mc.c
@@ -88,11 +88,11 @@
 
 MACHINE_START(IQ81340MC, "Intel IQ81340MC")
 	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
-	.phys_io        = PHYS_IO,
-	.io_pg_offst    = IO_PG_OFFSET,
+	.phys_io        = IOP13XX_PMMR_PHYS_MEM_BASE,
+	.io_pg_offst    = (IOP13XX_PMMR_VIRT_MEM_BASE >> 18) & 0xfffc,
+	.boot_params    = 0x00000100,
 	.map_io         = iop13xx_map_io,
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340mc_timer,
-	.boot_params    = BOOT_PARAM_OFFSET,
 	.init_machine   = iq81340mc_init,
 MACHINE_END
diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c
index 6677e14..5ad2b62 100644
--- a/arch/arm/mach-iop13xx/iq81340sc.c
+++ b/arch/arm/mach-iop13xx/iq81340sc.c
@@ -90,11 +90,11 @@
 
 MACHINE_START(IQ81340SC, "Intel IQ81340SC")
 	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
-	.phys_io        = PHYS_IO,
-	.io_pg_offst    = IO_PG_OFFSET,
+	.phys_io	= IOP13XX_PMMR_PHYS_MEM_BASE,
+	.io_pg_offst	= (IOP13XX_PMMR_VIRT_MEM_BASE >> 18) & 0xfffc,
+	.boot_params    = 0x00000100,
 	.map_io         = iop13xx_map_io,
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340sc_timer,
-	.boot_params    = BOOT_PARAM_OFFSET,
 	.init_machine   = iq81340sc_init,
 MACHINE_END
diff --git a/include/asm-arm/arch-iop13xx/iq81340.h b/include/asm-arm/arch-iop13xx/iq81340.h
index b98f8f1..ba2cf93 100644
--- a/include/asm-arm/arch-iop13xx/iq81340.h
+++ b/include/asm-arm/arch-iop13xx/iq81340.h
@@ -24,8 +24,5 @@
 #define PBI_CF_IDE_BASE     (IQ81340_CMP_FLSH)
 #define PBI_CF_BAR_ADDR     (IOP13XX_PBI_BAR1)
 
-/* These are the values used in the Machine description */
-#define PHYS_IO         0xfeffff00
-#define IO_PG_OFFSET    0xffffff00
-#define BOOT_PARAM_OFFSET  0x00000100
+
 #endif	/* _IQ81340_H_ */