diff --git a/hw/application_fpga/fw/tk1_mem.h b/hw/application_fpga/fw/tk1_mem.h
index 1dec9f2..da26f2c 100644
--- a/hw/application_fpga/fw/tk1_mem.h
+++ b/hw/application_fpga/fw/tk1_mem.h
@@ -57,6 +57,9 @@
 #define TK1_RAM_BASE 0x40000000
 #define TK1_RAM_SIZE 0x20000
 
+#define TK1_MMIO_BASE 0xc0000000
+#define TK1_MMIO_SIZE 0x3fffffff
+
 #define TK1_APP_MAX_SIZE 0x20000
 
 #define TK1_MMIO_FW_RAM_BASE 0xd0000000