2 files changed, 5 insertions, 9 deletions
diff --git a/src/mainboard/asus/m4a785-m/mainboard.c b/src/mainboard/asus/m4a785-m/mainboard.c
index a5a15e84d9..e490f31886 100644
--- a/src/mainboard/asus/m4a785-m/mainboard.c
+++ b/src/mainboard/asus/m4a785-m/mainboard.c
@@ -24,16 +24,13 @@
 #include <cpu/x86/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/pci_def.h>
-#include <southbridge/amd/sb700/sb700.h>
+#include "southbridge/amd/sb700/sb700.h"
+#include "southbridge/amd/sb700/smbus.h"
 #include "chip.h"
 
 #define ADT7461_ADDRESS 0x4C
 #define ARA_ADDRESS     0x0C /* Alert Response Address */
 
-extern int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address);
-extern int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address,
-			       u8 val);
-
 #define ADT7461_read_byte(address) \
 	do_smbus_read_byte(SMBUS_IO_BASE, ADT7461_ADDRESS, address)
 #define ARA_read_byte(address) \
@@ -41,8 +38,6 @@ extern int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address,
 #define ADT7461_write_byte(address, val) \
 	do_smbus_write_byte(SMBUS_IO_BASE, ADT7461_ADDRESS, address, val)
 
-#define SMBUS_IO_BASE 0x6000
-
 uint64_t uma_memory_base, uma_memory_size;
 
 void set_pcie_dereset(void);
diff --git a/src/mainboard/asus/m4a785-m/romstage.c b/src/mainboard/asus/m4a785-m/romstage.c
index 0675ee670f..b14a7c6845 100644
--- a/src/mainboard/asus/m4a785-m/romstage.c
+++ b/src/mainboard/asus/m4a785-m/romstage.c
@@ -48,14 +48,15 @@
 #include <cpu/amd/mtrr.h>
 #include "northbridge/amd/amdfam10/setup_resource_map.c"
 #include "southbridge/amd/rs780/early_setup.c"
-#include "southbridge/amd/sb700/early_setup.c"
+#include "southbridge/amd/sb700/sb700.h"
+#include "southbridge/amd/sb700/smbus.h"
 #include "northbridge/amd/amdfam10/debug.c"
 
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
 static int spd_read_byte(u32 device, u32 address)
 {
-	return smbus_read_byte(device, address);
+	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
 #include "northbridge/amd/amdfam10/amdfam10.h"