amdfam10 boards: Drop extern on bus_rs780 and sbdn_rs780

Change-Id: I7dc943f3376e9b706d3d486231525df85f806858
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30631
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

38 files changed, 26 insertions, 64 deletions

diff --git a/src/mainboard/advansus/a785e-i/get_bus_conf.c b/src/mainboard/advansus/a785e-i/get_bus_conf.c
index 1738bf878e..8b995e4535 100644
--- a/src/mainboard/advansus/a785e-i/get_bus_conf.c
+++ b/src/mainboard/advansus/a785e-i/get_bus_conf.c
@@ -23,7 +23,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 };
 
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb800;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/advansus/a785e-i/irq_tables.c b/src/mainboard/advansus/a785e-i/irq_tables.c
index b0b8af88eb..b194b41b89 100644
--- a/src/mainboard/advansus/a785e-i/irq_tables.c
+++ b/src/mainboard/advansus/a785e-i/irq_tables.c
@@ -39,7 +39,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
diff --git a/src/mainboard/advansus/a785e-i/mptable.c b/src/mainboard/advansus/a785e-i/mptable.c
index 5d0650305e..6dd8342d09 100644
--- a/src/mainboard/advansus/a785e-i/mptable.c
+++ b/src/mainboard/advansus/a785e-i/mptable.c
@@ -20,10 +20,8 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb800;
 
 u8 intr_data[] = {
diff --git a/src/mainboard/amd/bimini_fam10/get_bus_conf.c b/src/mainboard/amd/bimini_fam10/get_bus_conf.c
index 2b25770b3b..5359c0e249 100644
--- a/src/mainboard/amd/bimini_fam10/get_bus_conf.c
+++ b/src/mainboard/amd/bimini_fam10/get_bus_conf.c
@@ -23,7 +23,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 };
 
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb800;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/amd/bimini_fam10/irq_tables.c b/src/mainboard/amd/bimini_fam10/irq_tables.c
index 3b5faabbcb..c5f85063ae 100644
--- a/src/mainboard/amd/bimini_fam10/irq_tables.c
+++ b/src/mainboard/amd/bimini_fam10/irq_tables.c
@@ -39,7 +39,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
diff --git a/src/mainboard/amd/bimini_fam10/mptable.c b/src/mainboard/amd/bimini_fam10/mptable.c
index 07df03a349..49cbd088e2 100644
--- a/src/mainboard/amd/bimini_fam10/mptable.c
+++ b/src/mainboard/amd/bimini_fam10/mptable.c
@@ -21,10 +21,8 @@
 #include <southbridge/amd/sb800/sb800.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb800;
 
 u8 intr_data[] = {
diff --git a/src/mainboard/amd/mahogany_fam10/get_bus_conf.c b/src/mainboard/amd/mahogany_fam10/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/amd/mahogany_fam10/get_bus_conf.c
+++ b/src/mainboard/amd/mahogany_fam10/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/amd/mahogany_fam10/irq_tables.c b/src/mainboard/amd/mahogany_fam10/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/amd/mahogany_fam10/irq_tables.c
+++ b/src/mainboard/amd/mahogany_fam10/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/amd/mahogany_fam10/mptable.c b/src/mainboard/amd/mahogany_fam10/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/amd/mahogany_fam10/mptable.c
+++ b/src/mainboard/amd/mahogany_fam10/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/amd/tilapia_fam10/get_bus_conf.c b/src/mainboard/amd/tilapia_fam10/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/amd/tilapia_fam10/get_bus_conf.c
+++ b/src/mainboard/amd/tilapia_fam10/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/amd/tilapia_fam10/irq_tables.c b/src/mainboard/amd/tilapia_fam10/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/amd/tilapia_fam10/irq_tables.c
+++ b/src/mainboard/amd/tilapia_fam10/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/amd/tilapia_fam10/mptable.c b/src/mainboard/amd/tilapia_fam10/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/amd/tilapia_fam10/mptable.c
+++ b/src/mainboard/amd/tilapia_fam10/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/asus/m4a78-em/get_bus_conf.c b/src/mainboard/asus/m4a78-em/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/asus/m4a78-em/get_bus_conf.c
+++ b/src/mainboard/asus/m4a78-em/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/asus/m4a78-em/mptable.c b/src/mainboard/asus/m4a78-em/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/asus/m4a78-em/mptable.c
+++ b/src/mainboard/asus/m4a78-em/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/asus/m4a785-m/get_bus_conf.c b/src/mainboard/asus/m4a785-m/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/asus/m4a785-m/get_bus_conf.c
+++ b/src/mainboard/asus/m4a785-m/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/asus/m4a785-m/mptable.c b/src/mainboard/asus/m4a785-m/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/asus/m4a785-m/mptable.c
+++ b/src/mainboard/asus/m4a785-m/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/asus/m5a88-v/get_bus_conf.c b/src/mainboard/asus/m5a88-v/get_bus_conf.c
index ce663a52b2..e0d89b5f1e 100644
--- a/src/mainboard/asus/m5a88-v/get_bus_conf.c
+++ b/src/mainboard/asus/m5a88-v/get_bus_conf.c
@@ -23,7 +23,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 };
 
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb800;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/asus/m5a88-v/irq_tables.c b/src/mainboard/asus/m5a88-v/irq_tables.c
index b0b8af88eb..b194b41b89 100644
--- a/src/mainboard/asus/m5a88-v/irq_tables.c
+++ b/src/mainboard/asus/m5a88-v/irq_tables.c
@@ -39,7 +39,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
diff --git a/src/mainboard/asus/m5a88-v/mptable.c b/src/mainboard/asus/m5a88-v/mptable.c
index 1d6adc6409..90337f017d 100644
--- a/src/mainboard/asus/m5a88-v/mptable.c
+++ b/src/mainboard/asus/m5a88-v/mptable.c
@@ -20,10 +20,8 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb800;
 
 u8 intr_data[] = {
diff --git a/src/mainboard/avalue/eax-785e/get_bus_conf.c b/src/mainboard/avalue/eax-785e/get_bus_conf.c
index ce663a52b2..e0d89b5f1e 100644
--- a/src/mainboard/avalue/eax-785e/get_bus_conf.c
+++ b/src/mainboard/avalue/eax-785e/get_bus_conf.c
@@ -23,7 +23,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 };
 
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb800;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/avalue/eax-785e/irq_tables.c b/src/mainboard/avalue/eax-785e/irq_tables.c
index b0b8af88eb..b194b41b89 100644
--- a/src/mainboard/avalue/eax-785e/irq_tables.c
+++ b/src/mainboard/avalue/eax-785e/irq_tables.c
@@ -39,7 +39,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
diff --git a/src/mainboard/avalue/eax-785e/mptable.c b/src/mainboard/avalue/eax-785e/mptable.c
index 2d39f1cb78..d3af6ec17a 100644
--- a/src/mainboard/avalue/eax-785e/mptable.c
+++ b/src/mainboard/avalue/eax-785e/mptable.c
@@ -20,10 +20,8 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb800;
 
 u8 intr_data[] = {
diff --git a/src/mainboard/gigabyte/ma785gm/get_bus_conf.c b/src/mainboard/gigabyte/ma785gm/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/gigabyte/ma785gm/get_bus_conf.c
+++ b/src/mainboard/gigabyte/ma785gm/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/gigabyte/ma785gm/irq_tables.c b/src/mainboard/gigabyte/ma785gm/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/gigabyte/ma785gm/irq_tables.c
+++ b/src/mainboard/gigabyte/ma785gm/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/gigabyte/ma785gm/mptable.c b/src/mainboard/gigabyte/ma785gm/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/gigabyte/ma785gm/mptable.c
+++ b/src/mainboard/gigabyte/ma785gm/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c b/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c
+++ b/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/gigabyte/ma785gmt/irq_tables.c b/src/mainboard/gigabyte/ma785gmt/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/gigabyte/ma785gmt/irq_tables.c
+++ b/src/mainboard/gigabyte/ma785gmt/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/gigabyte/ma785gmt/mptable.c b/src/mainboard/gigabyte/ma785gmt/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/gigabyte/ma785gmt/mptable.c
+++ b/src/mainboard/gigabyte/ma785gmt/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/gigabyte/ma78gm/get_bus_conf.c b/src/mainboard/gigabyte/ma78gm/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/gigabyte/ma78gm/get_bus_conf.c
+++ b/src/mainboard/gigabyte/ma78gm/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/gigabyte/ma78gm/irq_tables.c b/src/mainboard/gigabyte/ma78gm/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/gigabyte/ma78gm/irq_tables.c
+++ b/src/mainboard/gigabyte/ma78gm/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/gigabyte/ma78gm/mptable.c b/src/mainboard/gigabyte/ma78gm/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/gigabyte/ma78gm/mptable.c
+++ b/src/mainboard/gigabyte/ma78gm/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/iei/kino-780am2-fam10/get_bus_conf.c b/src/mainboard/iei/kino-780am2-fam10/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/iei/kino-780am2-fam10/get_bus_conf.c
+++ b/src/mainboard/iei/kino-780am2-fam10/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/iei/kino-780am2-fam10/irq_tables.c b/src/mainboard/iei/kino-780am2-fam10/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/iei/kino-780am2-fam10/irq_tables.c
+++ b/src/mainboard/iei/kino-780am2-fam10/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/iei/kino-780am2-fam10/mptable.c b/src/mainboard/iei/kino-780am2-fam10/mptable.c
index e2b28900fa..4ea9e66913 100644
--- a/src/mainboard/iei/kino-780am2-fam10/mptable.c
+++ b/src/mainboard/iei/kino-780am2-fam10/mptable.c
@@ -20,12 +20,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/jetway/pa78vm5/get_bus_conf.c b/src/mainboard/jetway/pa78vm5/get_bus_conf.c
index 3c4894085a..299393791f 100644
--- a/src/mainboard/jetway/pa78vm5/get_bus_conf.c
+++ b/src/mainboard/jetway/pa78vm5/get_bus_conf.c
@@ -24,7 +24,7 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-u8 bus_rs780[11];
+static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -45,7 +45,7 @@ u32 hcdnx[] = {
 	0x20202020,
 };
 
-u32 sbdn_rs780;
+static u32 sbdn_rs780;
 u32 sbdn_sb700;
 
 void get_bus_conf(void)
diff --git a/src/mainboard/jetway/pa78vm5/irq_tables.c b/src/mainboard/jetway/pa78vm5/irq_tables.c
index 526be4f4cd..83a701df43 100644
--- a/src/mainboard/jetway/pa78vm5/irq_tables.c
+++ b/src/mainboard/jetway/pa78vm5/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sb700[2];
 extern unsigned long sbdn_sb700;
 
diff --git a/src/mainboard/jetway/pa78vm5/mptable.c b/src/mainboard/jetway/pa78vm5/mptable.c
index 40340877f0..edbc0e6a9d 100644
--- a/src/mainboard/jetway/pa78vm5/mptable.c
+++ b/src/mainboard/jetway/pa78vm5/mptable.c
@@ -21,12 +21,10 @@
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
-extern u8 bus_rs780[11];
 extern u8 bus_sb700[2];
 
 extern u32 apicid_sb700;
 
-extern u32 sbdn_rs780;
 extern u32 sbdn_sb700;
 
 static void *smp_write_config_table(void *v)
diff --git a/src/mainboard/supermicro/h8scm_fam10/irq_tables.c b/src/mainboard/supermicro/h8scm_fam10/irq_tables.c
index 39c68db66d..82e773621e 100644
--- a/src/mainboard/supermicro/h8scm_fam10/irq_tables.c
+++ b/src/mainboard/supermicro/h8scm_fam10/irq_tables.c
@@ -40,7 +40,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 
-extern u8 bus_rs780[8];
 extern u8 bus_sp5100[2];
 extern unsigned long sbdn_sp5100;