amdfam10 boards: Drop array bus_rs780

Values in the array are not used anywhere.

Change-Id: I608b8c2e21bc515c56a27982815c1da43f3bb976
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30637
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

13 files changed, 13 insertions, 201 deletions

diff --git a/src/mainboard/advansus/a785e-i/get_bus_conf.c b/src/mainboard/advansus/a785e-i/get_bus_conf.c
index 4a8a03b7ea..2e035b5fa5 100644
--- a/src/mainboard/advansus/a785e-i/get_bus_conf.c
+++ b/src/mainboard/advansus/a785e-i/get_bus_conf.c
@@ -23,7 +23,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -63,15 +62,8 @@ void get_bus_conf(void)
 	sysconf.sbdn = (sysconf.hcdn[0] & 0xff);
 
 	memset(bus_sb800, 0, sizeof(bus_sb800));
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
-
-
-
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb800[0] = bus_rs780[0];
 
+	bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb800 */
 	dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(0x14, 4));
@@ -86,16 +78,6 @@ void get_bus_conf(void)
 		}
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-			if(255 != bus_rs780[i]) {
-			}
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/amd/bimini_fam10/get_bus_conf.c b/src/mainboard/amd/bimini_fam10/get_bus_conf.c
index 579ca7bbfe..76048190bb 100644
--- a/src/mainboard/amd/bimini_fam10/get_bus_conf.c
+++ b/src/mainboard/amd/bimini_fam10/get_bus_conf.c
@@ -23,7 +23,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -64,13 +63,7 @@ void get_bus_conf(void)
 
 	memset(bus_sb800, 0, sizeof(bus_sb800));
 
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
-
-
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb800[0] = bus_rs780[0];
+	bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb800 */
 	dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(0x14, 4));
@@ -85,16 +78,6 @@ void get_bus_conf(void)
 		}
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-			if(255 != bus_rs780[i]) {
-			}
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/amd/mahogany_fam10/get_bus_conf.c b/src/mainboard/amd/mahogany_fam10/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/amd/mahogany_fam10/get_bus_conf.c
+++ b/src/mainboard/amd/mahogany_fam10/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/amd/tilapia_fam10/get_bus_conf.c b/src/mainboard/amd/tilapia_fam10/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/amd/tilapia_fam10/get_bus_conf.c
+++ b/src/mainboard/amd/tilapia_fam10/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/asus/m4a78-em/get_bus_conf.c b/src/mainboard/asus/m4a78-em/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/asus/m4a78-em/get_bus_conf.c
+++ b/src/mainboard/asus/m4a78-em/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/asus/m4a785-m/get_bus_conf.c b/src/mainboard/asus/m4a785-m/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/asus/m4a785-m/get_bus_conf.c
+++ b/src/mainboard/asus/m4a785-m/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/asus/m5a88-v/get_bus_conf.c b/src/mainboard/asus/m5a88-v/get_bus_conf.c
index f08ad8633b..2e035b5fa5 100644
--- a/src/mainboard/asus/m5a88-v/get_bus_conf.c
+++ b/src/mainboard/asus/m5a88-v/get_bus_conf.c
@@ -23,7 +23,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -64,14 +63,7 @@ void get_bus_conf(void)
 
 	memset(bus_sb800, 0, sizeof(bus_sb800));
 
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
-
-
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb800[0] = bus_rs780[0];
-
+	bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb800 */
 	dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(0x14, 4));
@@ -86,16 +78,6 @@ void get_bus_conf(void)
 		}
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-			if(255 != bus_rs780[i]) {
-			}
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/avalue/eax-785e/get_bus_conf.c b/src/mainboard/avalue/eax-785e/get_bus_conf.c
index f08ad8633b..2e035b5fa5 100644
--- a/src/mainboard/avalue/eax-785e/get_bus_conf.c
+++ b/src/mainboard/avalue/eax-785e/get_bus_conf.c
@@ -23,7 +23,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb800[6];
 u32 apicid_sb800;
 
@@ -64,14 +63,7 @@ void get_bus_conf(void)
 
 	memset(bus_sb800, 0, sizeof(bus_sb800));
 
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
-
-
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb800[0] = bus_rs780[0];
-
+	bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb800 */
 	dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(0x14, 4));
@@ -86,16 +78,6 @@ void get_bus_conf(void)
 		}
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-			if(255 != bus_rs780[i]) {
-			}
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/gigabyte/ma785gm/get_bus_conf.c b/src/mainboard/gigabyte/ma785gm/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/gigabyte/ma785gm/get_bus_conf.c
+++ b/src/mainboard/gigabyte/ma785gm/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c b/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c
+++ b/src/mainboard/gigabyte/ma785gmt/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/gigabyte/ma78gm/get_bus_conf.c b/src/mainboard/gigabyte/ma78gm/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/gigabyte/ma78gm/get_bus_conf.c
+++ b/src/mainboard/gigabyte/ma78gm/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
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 9812b00ae5..b97556c4b3 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 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/jetway/pa78vm5/get_bus_conf.c b/src/mainboard/jetway/pa78vm5/get_bus_conf.c
index 9812b00ae5..b97556c4b3 100644
--- a/src/mainboard/jetway/pa78vm5/get_bus_conf.c
+++ b/src/mainboard/jetway/pa78vm5/get_bus_conf.c
@@ -24,7 +24,6 @@
 /* Global variables for MB layouts and these will be shared by irqtable mptable
 * and acpi_tables busnum is default.
 */
-static u8 bus_rs780[11];
 u8 bus_sb700[2];
 u32 apicid_sb700;
 
@@ -65,12 +64,8 @@ void get_bus_conf(void)
 	for (i = 0; i < 2; i++) {
 		bus_sb700[i] = 0;
 	}
-	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
-		bus_rs780[i] = 0;
-	}
 
-	bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff;
-	bus_sb700[0] = bus_rs780[0];
+	bus_sb700[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* sb700 */
 	dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(0x14, 4));
@@ -78,14 +73,6 @@ void get_bus_conf(void)
 		bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
 	}
 
-	/* rs780 */
-	for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) {
-		dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sysconf.sbdn + i, 0));
-		if (dev) {
-			bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
-		}
-	}
-
 	/* I/O APICs:   APIC ID Version State   Address */
 	if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
 		apicid_base = get_apicid_base(1);