2 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 6851abaf5524..cfd5bef3190b 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -106,6 +106,16 @@ static struct map_desc ixp2000_io_desc[] __initdata = {
                 .length         = IXP2000_MSF_SIZE,
                 .type           = MT_IXP2000_DEVICE,
         }, {
+                .virtual        = IXP2000_SCRATCH_RING_VIRT_BASE,
+                .pfn            = __phys_to_pfn(IXP2000_SCRATCH_RING_PHYS_BASE),
+                .length         = IXP2000_SCRATCH_RING_SIZE,
+                .type           = MT_IXP2000_DEVICE,
+        }, {
+                .virtual        = IXP2000_SRAM0_VIRT_BASE,
+                .pfn            = __phys_to_pfn(IXP2000_SRAM0_PHYS_BASE),
+                .length         = IXP2000_SRAM0_SIZE,
+                .type           = MT_IXP2000_DEVICE,
+        }, {
                 .virtual        = IXP2000_PCI_IO_VIRT_BASE,
                 .pfn            = __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE),
                 .length         = IXP2000_PCI_IO_SIZE,
diff --git a/include/asm-arm/arch-ixp2000/ixp2000-regs.h b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
index 8cf70ff160af..2b57f91b4ebd 100644
--- a/include/asm-arm/arch-ixp2000/ixp2000-regs.h
+++ b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
@@ -26,6 +26,8 @@
  * fc000000     da000000        16M             PCI CFG0
  * fd000000     d8000000        16M             PCI I/O
  * fe[0-7]00000                 8M              per-platform mappings
+ * fe900000     80000000        1M              SRAM #0 (first MB)
+ * fea00000     cb400000        1M              SCRATCH ring get/put
  * feb00000     c8000000        1M              MSF
  * fec00000     df000000        1M              PCI CSRs
  * fed00000     de000000        1M              PCI CREG
@@ -91,6 +93,14 @@
 #define IXP2000_MSF_VIRT_BASE           0xfeb00000
 #define IXP2000_MSF_SIZE                0x00100000
 
+#define IXP2000_SCRATCH_RING_PHYS_BASE  0xcb400000
+#define IXP2000_SCRATCH_RING_VIRT_BASE  0xfea00000
+#define IXP2000_SCRATCH_RING_SIZE       0x00100000
+
+#define IXP2000_SRAM0_PHYS_BASE         0x80000000
+#define IXP2000_SRAM0_VIRT_BASE         0xfe900000
+#define IXP2000_SRAM0_SIZE              0x00100000
+
 #define IXP2000_PCI_IO_PHYS_BASE        0xd8000000
 #define IXP2000_PCI_IO_VIRT_BASE        0xfd000000
 #define IXP2000_PCI_IO_SIZE             0x01000000