Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-61

Creator:  Yinghai Lu <yhlu@tyan.com>

write_pirq_routing_table for x86


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1979 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

30 files changed, 821 insertions, 125 deletions

diff --git a/src/mainboard/Iwill/DK8S2/irq_tables.c b/src/mainboard/Iwill/DK8S2/irq_tables.c
index a2b973f245..28c90e0f85 100644
--- a/src/mainboard/Iwill/DK8S2/irq_tables.c
+++ b/src/mainboard/Iwill/DK8S2/irq_tables.c
@@ -35,3 +35,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x02,(0x05<<3)|0x0, {{0x02, 0xdef8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/Iwill/DK8X/irq_tables.c b/src/mainboard/Iwill/DK8X/irq_tables.c
index 9be2d1cf14..6322c3df21 100644
--- a/src/mainboard/Iwill/DK8X/irq_tables.c
+++ b/src/mainboard/Iwill/DK8X/irq_tables.c
@@ -50,3 +50,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		IRQ_SLOT (0, 1,4,3, 0,0,0,0 ),
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/amd/quartet/irq_tables.c b/src/mainboard/amd/quartet/irq_tables.c
index 142864fbb1..5b9c9fabc4 100644
--- a/src/mainboard/amd/quartet/irq_tables.c
+++ b/src/mainboard/amd/quartet/irq_tables.c
@@ -32,3 +32,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x01, (0x04<<3)|3, {{0x00, 0xdef8}, {0x00, 0xdef8}, {0x00, 0xdef8}, {0x00, 0xdef8}}, 0x00, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/amd/serenade/irq_tables.c b/src/mainboard/amd/serenade/irq_tables.c
index 008d512a42..f340a2d31e 100644
--- a/src/mainboard/amd/serenade/irq_tables.c
+++ b/src/mainboard/amd/serenade/irq_tables.c
@@ -55,3 +55,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/amd/solo/irq_tables.c b/src/mainboard/amd/solo/irq_tables.c
index b6ed888d10..783d8bd7b8 100644
--- a/src/mainboard/amd/solo/irq_tables.c
+++ b/src/mainboard/amd/solo/irq_tables.c
@@ -52,3 +52,8 @@ const struct irq_routing_table intel_irq_routing_table = {
 
 	 }
 };
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/arima/hdama/irq_tables.c b/src/mainboard/arima/hdama/irq_tables.c
index c54d43bbd1..add22b4e03 100644
--- a/src/mainboard/arima/hdama/irq_tables.c
+++ b/src/mainboard/arima/hdama/irq_tables.c
@@ -42,3 +42,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		IRQ_SLOT(0, 1,4,3, 0,0,0,0 ),
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/densitron/dpx114/irq_tables.c b/src/mainboard/densitron/dpx114/irq_tables.c
index e0bfea4519..6c1acd0a51 100644
--- a/src/mainboard/densitron/dpx114/irq_tables.c
+++ b/src/mainboard/densitron/dpx114/irq_tables.c
@@ -28,3 +28,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x00,(0x02<<3)|0x0, {{0x59, 0xdeb8}, {0x00, 0xdeb8}, {0x00, 0xdeb8}, {0x00, 0x0deb8}}, 0x0, 0x0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/digitallogic/adl855pc/irq_tables.c b/src/mainboard/digitallogic/adl855pc/irq_tables.c
index 894c27dec5..d24672dcc8 100644
--- a/src/mainboard/digitallogic/adl855pc/irq_tables.c
+++ b/src/mainboard/digitallogic/adl855pc/irq_tables.c
@@ -30,3 +30,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0x98, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x4, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/digitallogic/msm586seg/irq_tables.c b/src/mainboard/digitallogic/msm586seg/irq_tables.c
index 894c27dec5..d24672dcc8 100644
--- a/src/mainboard/digitallogic/msm586seg/irq_tables.c
+++ b/src/mainboard/digitallogic/msm586seg/irq_tables.c
@@ -30,3 +30,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0x98, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x4, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/eaglelion/5bcm/irq_tables.c b/src/mainboard/eaglelion/5bcm/irq_tables.c
index dd80d654f4..636f129119 100644
--- a/src/mainboard/eaglelion/5bcm/irq_tables.c
+++ b/src/mainboard/eaglelion/5bcm/irq_tables.c
@@ -25,3 +25,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x00,(0x0f<<3)|0x0, {{0x03, 0xdeb8}, {0x04, 0xdeb8}, {0x01, 0xdeb8}, {0x02, 0x0deb8}}, 0x2, 0x0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/emulation/qemu-i386/irq_tables.c b/src/mainboard/emulation/qemu-i386/irq_tables.c
index 894c27dec5..d24672dcc8 100644
--- a/src/mainboard/emulation/qemu-i386/irq_tables.c
+++ b/src/mainboard/emulation/qemu-i386/irq_tables.c
@@ -30,3 +30,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0x98, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x4, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/ibm/e325/irq_tables.c b/src/mainboard/ibm/e325/irq_tables.c
index 008d512a42..f340a2d31e 100644
--- a/src/mainboard/ibm/e325/irq_tables.c
+++ b/src/mainboard/ibm/e325/irq_tables.c
@@ -55,3 +55,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/island/aruma/irq_tables.c b/src/mainboard/island/aruma/irq_tables.c
index a6e3ee8be0..2ebb94f41b 100644
--- a/src/mainboard/island/aruma/irq_tables.c
+++ b/src/mainboard/island/aruma/irq_tables.c
@@ -54,3 +54,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		IRQ_SLOT(0, 1,4,3, 0,0,0,0 ),
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/newisys/khepri/irq_tables.c b/src/mainboard/newisys/khepri/irq_tables.c
index 142864fbb1..37a652ef63 100644
--- a/src/mainboard/newisys/khepri/irq_tables.c
+++ b/src/mainboard/newisys/khepri/irq_tables.c
@@ -32,3 +32,8 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x01, (0x04<<3)|3, {{0x00, 0xdef8}, {0x00, 0xdef8}, {0x00, 0xdef8}, {0x00, 0xdef8}}, 0x00, 0},
 	}
 };
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/technologic/ts5300/irq_tables.c b/src/mainboard/technologic/ts5300/irq_tables.c
index 6a7e9b3f8e..a2463b9e6b 100644
--- a/src/mainboard/technologic/ts5300/irq_tables.c
+++ b/src/mainboard/technologic/ts5300/irq_tables.c
@@ -26,3 +26,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0x98, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x4, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2735/irq_tables.c b/src/mainboard/tyan/s2735/irq_tables.c
index b85847e9aa..526fb3e334 100644
--- a/src/mainboard/tyan/s2735/irq_tables.c
+++ b/src/mainboard/tyan/s2735/irq_tables.c
@@ -38,3 +38,8 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x03,(0x05<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0x0dcf8}}, 0x6, 0x0},
 	}
 };
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2850/irq_tables.c b/src/mainboard/tyan/s2850/irq_tables.c
index f0bcd77c8c..be2a259cd9 100644
--- a/src/mainboard/tyan/s2850/irq_tables.c
+++ b/src/mainboard/tyan/s2850/irq_tables.c
@@ -34,3 +34,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x2,(0x0c<<3)|0, {{0x2, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2875/irq_tables.c b/src/mainboard/tyan/s2875/irq_tables.c
index ca230ba969..59aa3821b1 100644
--- a/src/mainboard/tyan/s2875/irq_tables.c
+++ b/src/mainboard/tyan/s2875/irq_tables.c
@@ -35,3 +35,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x3,(0x0b<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0, 0}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2880/irq_tables.c b/src/mainboard/tyan/s2880/irq_tables.c
index 92a5198e2d..4ffc5cffa0 100644
--- a/src/mainboard/tyan/s2880/irq_tables.c
+++ b/src/mainboard/tyan/s2880/irq_tables.c
@@ -35,3 +35,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x3,(5<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x7, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2881/irq_tables.c b/src/mainboard/tyan/s2881/irq_tables.c
index 37c5df677e..028c279ba0 100644
--- a/src/mainboard/tyan/s2881/irq_tables.c
+++ b/src/mainboard/tyan/s2881/irq_tables.c
@@ -31,3 +31,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x4,0x28, {{0x2, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2882/irq_tables.c b/src/mainboard/tyan/s2882/irq_tables.c
index 059f7210a9..cdff230a2f 100644
--- a/src/mainboard/tyan/s2882/irq_tables.c
+++ b/src/mainboard/tyan/s2882/irq_tables.c
@@ -4,36 +4,298 @@
 
    Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
 */
-
+#include <console/console.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
 #include <arch/pirq_routing.h>
 
 const struct irq_routing_table intel_irq_routing_table = {
-	PIRQ_SIGNATURE, /* u32 signature */
-	PIRQ_VERSION,   /* u16 version   */
-	32+16*15,        /* there can be total 15 devices on the bus */
-	1,           /* Where the interrupt router lies (bus) */
-	(4<<3)|3,           /* Where the interrupt router lies (dev) */
-	0,         /* IRQs devoted exclusively to PCI usage */
-	0x1022,         /* Vendor */
-	0x746b,         /* Device */
-	0,         /* Crap (miniport) */
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
-	0xff,         /*  u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
-	{
-		{1,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0},
-		{0x4,0, {{0, 0}, {0, 0}, {0, 0}, {0x4, 0xdef8}}, 0, 0},
-		{0x4,(6<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
-		{0x3,(3<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0},
-		{0x3,(1<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x2, 0},
-		{0x2,(3<<3)|0, {{0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}}, 0x3, 0},
-		{0x2,(2<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x4, 0},
-		{0x4,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x5, 0},
-		{0x4,(5<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
-		{0x4,(8<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
-		{0x2,(6<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0},
-		{0x2,(5<<3)|0, {{0x3, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}}, 0, 0},
-		{0x2,(9<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0}, 
-		{0x3,(4<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x6, 0}, 
-		{0x3,(5<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x7, 0},
-	}
+        PIRQ_SIGNATURE, /* u32 signature */
+        PIRQ_VERSION,   /* u16 version   */
+        32+16*15,        /* there can be total 15 devices on the bus */
+        1,           /* Where the interrupt router lies (bus) */
+        (4<<3)|3,           /* Where the interrupt router lies (dev) */
+        0,         /* IRQs devoted exclusively to PCI usage */
+        0x1022,         /* Vendor */
+        0x746b,         /* Device */
+        0,         /* Crap (miniport) */
+        { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+        0xff,         /*  u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structu
+re (including checksum) */
+        {
+                {1,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0},
+                {0x4,0, {{0, 0}, {0, 0}, {0, 0}, {0x4, 0xdef8}}, 0, 0},
+                {0x4,(6<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
+                {0x3,(3<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0},
+                {0x3,(1<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x2, 0},
+                {0x2,(3<<3)|0, {{0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}}, 0x3, 0},
+                {0x2,(2<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x4, 0},
+                {0x4,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x5, 0},
+                {0x4,(5<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
+                {0x4,(8<<3)|0, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
+                {0x2,(6<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0},
+                {0x2,(5<<3)|0, {{0x3, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}}, 0, 0},
+                {0x2,(9<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0},
+                {0x3,(4<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x6, 0},
+                {0x3,(5<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x7, 0},
+        }
 };
+
+static unsigned node_link_to_bus(unsigned node, unsigned link)
+{
+        device_t dev;
+        unsigned reg;
+
+        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
+        if (!dev) {
+                return 0;
+        }
+        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
+                uint32_t config_map;
+                unsigned dst_node;
+                unsigned dst_link;
+                unsigned bus_base;
+                config_map = pci_read_config32(dev, reg);
+                if ((config_map & 3) != 3) {
+                        continue;
+                }
+                dst_node = (config_map >> 4) & 7;
+                dst_link = (config_map >> 8) & 3;
+                bus_base = (config_map >> 16) & 0xff;
+#if 0                           
+                printk_debug("node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
+                        dst_node, dst_link, bus_base,
+                        reg, config_map);
+#endif
+                if ((dst_node == node) && (dst_link == link))
+                {
+                        return bus_base;
+                }
+        }
+        return 0;
+}
+
+static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0, 
+		uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
+		uint8_t slot, uint8_t rfu)
+{
+        pirq_info->bus = bus; 
+        pirq_info->devfn = devfn;
+                pirq_info->irq[0].link = link0;
+                pirq_info->irq[0].bitmap = bitmap0;
+                pirq_info->irq[1].link = link1;
+                pirq_info->irq[1].bitmap = bitmap1;
+                pirq_info->irq[2].link = link2;
+                pirq_info->irq[2].bitmap = bitmap2;
+                pirq_info->irq[3].link = link3;
+                pirq_info->irq[3].bitmap = bitmap3;
+        pirq_info->slot = slot;
+        pirq_info->rfu = rfu;
+}
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+
+	struct irq_routing_table *pirq;
+	struct irq_info *pirq_info;
+	unsigned slot_num;
+	uint8_t *v;
+
+        uint8_t sum=0;
+        int i;
+
+        unsigned char bus_chain_0;
+        unsigned char bus_8131_1;
+        unsigned char bus_8131_2;
+        unsigned char bus_8111_1;
+        {
+                device_t dev;
+
+                /* HT chain 0 */
+                bus_chain_0 = node_link_to_bus(0, 0);
+                if (bus_chain_0 == 0) {
+                        printk_debug("ERROR - cound not find bus for node 0 chain 0, using defaults\n");
+                        bus_chain_0 = 1;
+                }
+
+                /* 8111 */
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
+                if (dev) {
+                        bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:03.0, using defaults\n");
+
+                        bus_8111_1 = 4;
+                }
+                /* 8131-1 */
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
+                if (dev) {
+                        bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:01.0, using defaults\n");
+
+                        bus_8131_1 = 2;
+                }
+                /* 8131-2 */
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
+                if (dev) {
+                        bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:02.0, using defaults\n");
+
+                        bus_8131_2 = 3;
+                }
+        }
+
+        /* Align the table to be 16 byte aligned. */
+        addr += 15;
+        addr &= ~15;
+
+        /* This table must be betweeen 0xf0000 & 0x100000 */
+        printk_info("Writing IRQ routing tables to 0x%x...", addr);
+
+	pirq = (void *)(addr);
+	v = (uint8_t *)(addr);
+	
+	pirq->signature = PIRQ_SIGNATURE;
+	pirq->version  = PIRQ_VERSION;
+	
+	pirq->rtr_bus = bus_chain_0;
+	pirq->rtr_devfn = (4<<3)|3;
+
+	pirq->exclusive_irqs = 0;
+	
+	pirq->rtr_vendor = 0x1022;
+	pirq->rtr_device = 0x746b;
+
+	pirq->miniport_data = 0;
+
+	memset(pirq->rfu, 0, sizeof(pirq->rfu));
+
+	pirq_info = (void *) ( &pirq->checksum + 1);
+	slot_num = 0;
+
+        {
+                device_t dev;
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x04,3));
+                if (dev) {
+                        /* initialize PCI interupts - these assignments depend
+                        on the PCB routing of PINTA-D 
+
+                        PINTA = IRQ5
+                        PINTB = IRQ9
+                        PINTC = IRQ11
+                        PINTD = IRQ10
+                        */
+                        pci_write_config16(dev, 0x56, 0xab95);
+                }
+        }
+
+        printk_info("setting Onboard AMD Southbridge \n");
+        static const unsigned char slotIrqs_1_4[4] = { 5, 9, 11, 10 };
+        pci_assign_irqs(bus_chain_0, 4, slotIrqs_1_4);
+        write_pirq_info(pirq_info, bus_chain_0,(4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+	
+        printk_info("setting Onboard AMD USB \n");
+        static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 10 };
+        pci_assign_irqs(bus_8111_1, 0, slotIrqs_8111_1_0);
+        write_pirq_info(pirq_info, bus_8111_1,0, 0, 0, 0, 0, 0, 0, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard ATI Display Adapter\n");
+        static const unsigned char slotIrqs_8111_1_6[4] = { 11, 0, 0, 0 };
+        pci_assign_irqs(bus_8111_1, 6, slotIrqs_8111_1_6);
+        write_pirq_info(pirq_info, bus_8111_1,(6<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 1\n");
+        static const unsigned char slotIrqs_8131_2_3[4] = { 5, 9, 11, 10 };
+        pci_assign_irqs(bus_8131_2, 3, slotIrqs_8131_2_3);
+        write_pirq_info(pirq_info, bus_8131_2,(3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 2\n");
+        static const unsigned char slotIrqs_8131_2_1[4] = { 9, 11, 10, 5 };
+        pci_assign_irqs(bus_8131_2, 1, slotIrqs_8131_2_1);
+        write_pirq_info(pirq_info, bus_8131_2,(1<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 3\n");
+        static const unsigned char slotIrqs_8131_1_3[4] = { 10, 5, 9, 11 };
+        pci_assign_irqs(bus_8131_1, 3, slotIrqs_8131_1_3);
+        write_pirq_info(pirq_info, bus_8131_1,(3<<3)|0, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x3, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 4\n");
+        static const unsigned char slotIrqs_8131_1_2[4] = { 11, 10, 5, 9 };
+        pci_assign_irqs(bus_8131_1, 2, slotIrqs_8131_1_2);
+        write_pirq_info(pirq_info, bus_8131_1,(2<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x4, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Slot 5 \n");
+        static const unsigned char slotIrqs_8111_1_4[4] = { 5, 9, 11, 10 };
+        pci_assign_irqs(bus_8111_1, 4, slotIrqs_8111_1_4);
+        write_pirq_info(pirq_info, bus_8111_1,(4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x5, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard SI Serail ATA\n");
+        static const unsigned char slotIrqs_8111_1_5[4] = { 10, 0, 0, 0 };
+        pci_assign_irqs(bus_8111_1, 5, slotIrqs_8111_1_5);
+        write_pirq_info(pirq_info, bus_8111_1,(5<<3)|0, 0x4, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard Intel NIC\n");
+        static const unsigned char slotIrqs_8111_1_8[4] = { 11, 0, 0, 0 };
+        pci_assign_irqs(bus_8111_1, 8, slotIrqs_8111_1_8);
+        write_pirq_info(pirq_info, bus_8111_1,(8<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+
+        printk_info("setting Onboard Adaptec  SCSI\n");
+        static const unsigned char slotIrqs_8131_1_6[4] = { 5, 9, 0, 0 };
+        pci_assign_irqs(bus_8131_1, 6, slotIrqs_8131_1_6);
+        write_pirq_info(pirq_info, bus_8131_1,(6<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+#if 0
+	//??
+        write_pirq_info(pirq_info, bus_8131_1,(5<<3)|0, 0x3, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+#endif
+
+        printk_info("setting Onboard Broadcom NIC\n");
+        static const unsigned char slotIrqs_8131_1_9[4] = { 5, 9, 0, 0 };
+        pci_assign_irqs(bus_8131_1, 9, slotIrqs_8131_1_9);
+        write_pirq_info(pirq_info, bus_8131_1,(9<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
+	pirq_info++; slot_num++;
+#if 0
+	//?? what's this?
+        write_pirq_info(pirq_info, bus_8131_2,(4<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x6, 0);
+	pirq_info++; slot_num++;
+#endif
+
+#if 0	
+	//?? what's this?
+        write_pirq_info(pirq_info, bus_8131_2,(5<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x7, 0);
+	pirq_info++; slot_num++;
+#endif
+                
+	pirq->size = 32 + 16 * slot_num; 
+
+        for (i = 0; i < pirq->size; i++)
+                sum += v[i];	
+
+	sum = pirq->checksum - sum;
+
+        if (sum != pirq->checksum) {
+                pirq->checksum = sum;
+        }
+
+	return	(unsigned long) pirq_info;
+
+}
diff --git a/src/mainboard/tyan/s2882/mptable.c b/src/mainboard/tyan/s2882/mptable.c
index a331247fa9..6461a0be45 100644
--- a/src/mainboard/tyan/s2882/mptable.c
+++ b/src/mainboard/tyan/s2882/mptable.c
@@ -8,7 +8,40 @@
 #include <cpu/amd/dualcore.h>
 #endif
 
-#define ASSIGN_IRQ 0
+
+static unsigned node_link_to_bus(unsigned node, unsigned link)
+{
+        device_t dev;
+        unsigned reg;
+
+        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
+        if (!dev) {
+                return 0;
+        }
+        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
+                uint32_t config_map;
+                unsigned dst_node;
+                unsigned dst_link;
+                unsigned bus_base;
+                config_map = pci_read_config32(dev, reg);
+                if ((config_map & 3) != 3) {
+                        continue;
+                }
+                dst_node = (config_map >> 4) & 7;
+                dst_link = (config_map >> 8) & 3;
+                bus_base = (config_map >> 16) & 0xff;
+#if 0                           
+                printk_debug("node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
+                        dst_node, dst_link, bus_base,
+                        reg, config_map);
+#endif
+                if ((dst_node == node) && (dst_link == link))
+                {
+                        return bus_base;
+                }
+        }
+        return 0;
+}
 
 void *smp_write_config_table(void *v)
 {
@@ -19,6 +52,7 @@ void *smp_write_config_table(void *v)
 
         unsigned char bus_num;
         unsigned char bus_isa;
+	unsigned char bus_chain_0;
         unsigned char bus_8131_1;
         unsigned char bus_8131_2;
         unsigned char bus_8111_1;
@@ -48,8 +82,15 @@ void *smp_write_config_table(void *v)
         {
                 device_t dev;
 
+                /* HT chain 0 */
+                bus_chain_0 = node_link_to_bus(0, 0);
+                if (bus_chain_0 == 0) {
+                        printk_debug("ERROR - cound not find bus for node 0 chain 0, using defaults\n");
+                        bus_chain_0 = 1;
+                }
+
                 /* 8111 */
-                dev = dev_find_slot(1, PCI_DEVFN(0x03,0));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
                 if (dev) {
                         bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                         bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
@@ -62,7 +103,7 @@ void *smp_write_config_table(void *v)
                         bus_isa = 5;
                 }
                 /* 8131-1 */
-                dev = dev_find_slot(1, PCI_DEVFN(0x01,0));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
                 if (dev) {
                         bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 
@@ -73,7 +114,7 @@ void *smp_write_config_table(void *v)
                         bus_8131_1 = 2;
                 }
                 /* 8131-2 */
-                dev = dev_find_slot(1, PCI_DEVFN(0x02,0));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
                 if (dev) {
                         bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 
@@ -106,14 +147,14 @@ void *smp_write_config_table(void *v)
         {
                 device_t dev;
                 struct resource *res;
-                dev = dev_find_slot(1, PCI_DEVFN(0x1,1));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x1,1));
                 if (dev) {
                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
                         if (res) {
                                 smp_write_ioapic(mc, apicid_8131_1, 0x11, res->base);
                         }
                 }
-                dev = dev_find_slot(1, PCI_DEVFN(0x2,1));
+                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x2,1));
                 if (dev) {
                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
                         if (res) {
@@ -137,50 +178,16 @@ void *smp_write_config_table(void *v)
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xe, apicid_8111, 0xe);
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xf, apicid_8111, 0xf);
 
-#if ASSIGN_IRQ 
-	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x1, (4<<2)|3, apicid_8111, 0x13);
-
-	{
-		device_t dev;
-        	dev = dev_find_device(PCI_VENDOR_ID_AMD, 0x746b, 0);
-        	if (dev) {
-                	/* initialize PCI interupts - these assignments depend
-                   	on the PCB routing of PINTA-D 
-
-                   	PINTA = IRQ5
-                   	PINTB = IRQ9
-                   	PINTC = IRQ11
-                   	PINTD = IRQ10
-                	*/
-                	pci_write_config16(dev, 0x56, 0xab95);
-		}
-        }
-#endif
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chain_0, (4<<2)|3, apicid_8111, 0x13);
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard AMD Southbridge \n");
-        static const unsigned char slotIrqs_1_4[4] = { 5, 9, 11, 10 };
-        pci_assign_irqs(1, 4, slotIrqs_1_4);
-#endif
 	
 //On Board AMD USB
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (0<<2)|3, apicid_8111, 0x13);
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard AMD USB \n");
-        static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 10 };
-        pci_assign_irqs(bus_8111_1, 0, slotIrqs_8111_1_0);
-#endif
 
 //On Board ATI Display Adapter
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (6<<2)|0, apicid_8111, 0x12);
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard ATI Display Adapter\n");
-        static const unsigned char slotIrqs_8111_1_6[4] = { 11, 0, 0, 0 };
-        pci_assign_irqs(bus_8111_1, 6, slotIrqs_8111_1_6);
-#endif
-
 #if 1
 //Slot 5 PCI 32
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|0, apicid_8111, 0x10);
@@ -188,31 +195,13 @@ void *smp_write_config_table(void *v)
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|2, apicid_8111, 0x12); //
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (4<<2)|3, apicid_8111, 0x13); //
 
-#if ASSIGN_IRQ
-        printk_info("setting Slot 5 \n");
-        static const unsigned char slotIrqs_8111_1_4[4] = { 5, 9, 11, 10 };
-        pci_assign_irqs(bus_8111_1, 4, slotIrqs_8111_1_4);
-#endif
-
 #endif
 //Onboard SI Serial ATA
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (5<<2)|0, apicid_8111, 0x13);
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard SI Serail ATA\n");
-        static const unsigned char slotIrqs_8111_1_5[4] = { 10, 0, 0, 0 };
-        pci_assign_irqs(bus_8111_1, 5, slotIrqs_8111_1_5);
-#endif
-
 //Onboard Intel 82551 10/100M NIC
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8111_1, (8<<2)|0, apicid_8111, 0x12);
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard Intel NIC\n");
-        static const unsigned char slotIrqs_8111_1_8[4] = { 11, 0, 0, 0 };
-        pci_assign_irqs(bus_8111_1, 8, slotIrqs_8111_1_8);
-#endif
-
 #if 1
 //Slot 3 PCIX 100/66
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|0, apicid_8131_1, 0x3);
@@ -220,46 +209,23 @@ void *smp_write_config_table(void *v)
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|2, apicid_8131_1, 0x1);//
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (3<<2)|3, apicid_8131_1, 0x2);//
 
-#if ASSIGN_IRQ
-        printk_info("setting Slot 3\n");
-        static const unsigned char slotIrqs_8131_1_3[4] = { 10, 5, 9, 11 };
-        pci_assign_irqs(bus_8131_1, 3, slotIrqs_8131_1_3);
-#endif
-
 //Slot 4 PCIX 100/66        
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|0, apicid_8131_1, 0x2);
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|1, apicid_8131_1, 0x3);//
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|2, apicid_8131_1, 0x0);//
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (2<<2)|3, apicid_8131_1, 0x1);//
 
-#if ASSIGN_IRQ
-        printk_info("setting Slot 4\n");
-        static const unsigned char slotIrqs_8131_1_2[4] = { 11, 10, 5, 9 };
-        pci_assign_irqs(bus_8131_1, 2, slotIrqs_8131_1_2);
-#endif
 
 #endif
 //Onboard adaptec scsi
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (6<<2)|0, apicid_8131_1, 0x0);
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (6<<2)|1, apicid_8131_1, 0x1);
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard Adaptec  SCSI\n");
-        static const unsigned char slotIrqs_8131_1_6[4] = { 5, 9, 0, 0 };
-        pci_assign_irqs(bus_8131_1, 6, slotIrqs_8131_1_6);
-#endif
-
 //On Board NIC
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (9<<2)|0, apicid_8131_1, 0x0);
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_1, (9<<2)|1, apicid_8131_1, 0x1);
 
 
-#if ASSIGN_IRQ
-        printk_info("setting Onboard Broadcom NIC\n");
-	static const unsigned char slotIrqs_8131_1_9[4] = { 5, 9, 0, 0 };	
-        pci_assign_irqs(bus_8131_1, 9, slotIrqs_8131_1_9);
-#endif
-
 #if 1
 //Slot 1 PCI-X 133/100/66
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|0, apicid_8131_2, 0x0);
@@ -267,24 +233,12 @@ void *smp_write_config_table(void *v)
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|2, apicid_8131_2, 0x2); //
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (3<<2)|3, apicid_8131_2, 0x3); //
 
-#if ASSIGN_IRQ
-        printk_info("setting Slot 1\n");
-        static const unsigned char slotIrqs_8131_2_3[4] = { 5, 9, 11, 10 };
-        pci_assign_irqs(bus_8131_2, 3, slotIrqs_8131_2_3);
-#endif
-
 //Slot 2 PCI-X 133/100/66
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|0, apicid_8131_2, 0x1);
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|1, apicid_8131_2, 0x2);
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|2, apicid_8131_2, 0x3);//
         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_8131_2, (1<<2)|3, apicid_8131_2, 0x0);//
 
-#if ASSIGN_IRQ
-        printk_info("setting Slot 2\n");
-        static const unsigned char slotIrqs_8131_2_1[4] = { 9, 11, 10, 5 };
-        pci_assign_irqs(bus_8131_2, 1, slotIrqs_8131_2_1);
-#endif
-
 #endif
 /*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
         smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
diff --git a/src/mainboard/tyan/s2885/irq_tables.c b/src/mainboard/tyan/s2885/irq_tables.c
index 09db24247b..82e783a6c9 100644
--- a/src/mainboard/tyan/s2885/irq_tables.c
+++ b/src/mainboard/tyan/s2885/irq_tables.c
@@ -33,3 +33,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x6,(0x0c<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2891/irq_tables.c b/src/mainboard/tyan/s2891/irq_tables.c
index 8a00214c18..d6f75a0950 100644
--- a/src/mainboard/tyan/s2891/irq_tables.c
+++ b/src/mainboard/tyan/s2891/irq_tables.c
@@ -33,3 +33,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x6,(0x0c<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2892/irq_tables.c b/src/mainboard/tyan/s2892/irq_tables.c
index 8a00214c18..d6f75a0950 100644
--- a/src/mainboard/tyan/s2892/irq_tables.c
+++ b/src/mainboard/tyan/s2892/irq_tables.c
@@ -33,3 +33,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x6,(0x0c<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s2895/irq_tables.c b/src/mainboard/tyan/s2895/irq_tables.c
index 8fe7516dca..cf1a438dc1 100644
--- a/src/mainboard/tyan/s2895/irq_tables.c
+++ b/src/mainboard/tyan/s2895/irq_tables.c
@@ -4,7 +4,10 @@
 
    Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
 */
-
+#include <console/console.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
 #include <arch/pirq_routing.h>
 
 const struct irq_routing_table intel_irq_routing_table = {
@@ -27,7 +30,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{1,((CK804_DEVN_BASE+9)<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0},
 		{0x4,(1<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0},
 		{0x7,((CK804_DEVN_BASE+9)<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x0, 0},
-		{0x5,(3<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0},
+		{0x8,((CK804_DEVN_BASE+9)<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0},
 		{0x5,(6<<3)|0, {{0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}}, 0x2, 0},
 		{0x4,(8<<3)|0, {{0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}}, 0x3, 0},
 		{0x4,(7<<3)|0, {{0x3, 0xdef8}, {0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}}, 0x4, 0},
@@ -37,3 +40,369 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x6,(0x0c<<3)|0, {{0x4, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
 	}
 };
+
+static unsigned node_link_to_bus(unsigned node, unsigned link)
+{
+        device_t dev;
+        unsigned reg;
+
+        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
+        if (!dev) {
+                return 0;
+        }
+        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
+                uint32_t config_map;
+                unsigned dst_node;
+                unsigned dst_link;
+                unsigned bus_base;
+                config_map = pci_read_config32(dev, reg);
+                if ((config_map & 3) != 3) {
+                        continue;
+                }
+                dst_node = (config_map >> 4) & 7;
+                dst_link = (config_map >> 8) & 3;
+                bus_base = (config_map >> 16) & 0xff;
+#if 0                           
+                printk_debug("node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
+                        dst_node, dst_link, bus_base,
+                        reg, config_map);
+#endif
+                if ((dst_node == node) && (dst_link == link))
+                {
+                        return bus_base;
+                }
+        }
+        return 0;
+}
+
+static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0, 
+		uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
+		uint8_t slot, uint8_t rfu)
+{
+        pirq_info->bus = bus; 
+        pirq_info->devfn = devfn;
+                pirq_info->irq[0].link = link0;
+                pirq_info->irq[0].bitmap = bitmap0;
+                pirq_info->irq[1].link = link1;
+                pirq_info->irq[1].bitmap = bitmap1;
+                pirq_info->irq[2].link = link2;
+                pirq_info->irq[2].bitmap = bitmap2;
+                pirq_info->irq[3].link = link3;
+                pirq_info->irq[3].bitmap = bitmap3;
+        pirq_info->slot = slot;
+        pirq_info->rfu = rfu;
+}
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+
+	struct irq_routing_table *pirq;
+	struct irq_info *pirq_info;
+	unsigned slot_num;
+	uint8_t *v;
+
+        uint8_t sum=0;
+        int i;
+
+        unsigned char bus_ck804_0; //1
+        unsigned char bus_ck804_1; //2
+        unsigned char bus_ck804_2; //3
+        unsigned char bus_ck804_3; //4
+        unsigned char bus_ck804_4; //5
+        unsigned char bus_ck804_5; //6
+        unsigned char bus_8131_0;  //7
+        unsigned char bus_8131_1;  //8
+        unsigned char bus_8131_2;  //9 
+        unsigned char bus_ck804b_0;//a 
+        unsigned char bus_ck804b_1;//b
+        unsigned char bus_ck804b_2;//c
+        unsigned char bus_ck804b_3;//d
+        unsigned char bus_ck804b_4;//e
+        unsigned char bus_ck804b_5;//f
+
+      {
+                device_t dev;
+                
+
+                bus_ck804_0 = node_link_to_bus(0, 0);
+                if (bus_ck804_0 == 0) {
+                        printk_debug("ERROR - cound not find bus for node 0 chain 0, using defaults\n");
+                        bus_ck804_0 = 1;
+                }       
+                /* CK804 */
+                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(CK804_DEVN_BASE + 0x09,0));
+                if (dev) {
+                        bus_ck804_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+#if 0                   
+                        bus_ck804_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804_2++;
+#else 
+                        bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804_5++;
+#endif                  
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", CK804_DEVN_BASE + 0x09);
+
+                        bus_ck804_1 = 2;
+#if 0
+                        bus_ck804_2 = 3;
+#else
+                        bus_ck804_5 = 3;
+#endif
+
+                }
+#if 0                
+                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0b,0));
+                if (dev) {
+                        bus_ck804_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804_3++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", CK804_DEVN_BASE + 0x0b);
+
+                        bus_ck804_3 = bus_ck804_2+1;
+                }
+
+                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0c,0));
+                if (dev) {
+                        bus_ck804_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804_4++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", CK804_DEVN_BASE + 0x0c);
+
+                        bus_ck804_4 = bus_ck804_3+1;
+                }
+
+                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0d,0));
+                if (dev) {
+                        bus_ck804_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804_5++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n",CK804_DEVN_BASE + 0x0d);
+
+                        bus_ck804_5 = bus_ck804_4+1;
+                }
+#endif
+
+                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0e,0));
+                if (dev) {
+                        bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_8131_0 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_8131_0++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n",CK804_DEVN_BASE + 0x0e);
+
+                        bus_8131_0 = bus_ck804_5+1;
+                }
+
+                /* 8131-1 */
+                dev = dev_find_slot(bus_8131_0, PCI_DEVFN(0x01,0));
+                if (dev) {
+                        bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_8131_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_8131_2++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);
+
+                        bus_8131_1 = bus_8131_0+1;
+                        bus_8131_2 = bus_8131_0+2;
+                }
+                /* 8131-2 */
+                dev = dev_find_slot(bus_8131_0, PCI_DEVFN(0x02,0));
+                if (dev) {
+                        bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804b_0 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804b_0++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
+
+                        bus_8131_2 = bus_8131_1+1;
+                        bus_ck804b_0 = bus_8131_1+2;
+                }
+
+                /* CK804b */
+
+#if 0
+                dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(CK804_DEVN_BASE + 0x09,0));
+                if (dev) {
+                        bus_ck804b_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804b_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804b_2++;
+                }       
+                else {  
+                        printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,CK804_DEVN_BASE+0x09);
+                
+                        bus_ck804b_1 = bus_ck804b_0+1;
+                        bus_ck804b_2 = bus_ck804b_0+2;
+                }
+                        
+                dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0b,0));
+                if (dev) {
+                        bus_ck804b_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804b_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804b_3++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,CK804_DEVN_BASE+0x0b);
+
+                        bus_ck804b_2 = bus_ck804b_0+1;
+                        bus_ck804b_3 = bus_ck804b_0+2;
+                }
+
+                dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0c,0));
+                if (dev) {
+                        bus_ck804b_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804b_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804b_4++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,CK804_DEVN_BASE+0x0c);
+
+                        bus_ck804b_4 = bus_ck804b_3+1;
+                }
+
+                dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0d,0));
+                if (dev) {
+                        bus_ck804b_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                        bus_ck804b_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+                        bus_ck804b_5++;
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,CK804_DEVN_BASE+0x0d);
+
+                        bus_ck804b_5 = bus_ck804b_4+1;
+                }
+
+#endif
+
+                dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(CK804_DEVN_BASE + 0x0e,0));
+                if (dev) {
+                        bus_ck804b_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+                }
+                else {
+                        printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,CK804_DEVN_BASE+0x0e);
+#if 1
+                        bus_ck804b_5 = bus_ck804b_0+1;
+#endif
+
+                }
+
+        }
+
+        /* Align the table to be 16 byte aligned. */
+        addr += 15;
+        addr &= ~15;
+
+        /* This table must be betweeen 0xf0000 & 0x100000 */
+        printk_info("Writing IRQ routing tables to 0x%x...", addr);
+
+	pirq = (void *)(addr);
+	v = (uint8_t *)(addr);
+	
+	pirq->signature = PIRQ_SIGNATURE;
+	pirq->version  = PIRQ_VERSION;
+	
+	pirq->rtr_bus = bus_ck804_0;
+	pirq->rtr_devfn = ((CK804_DEVN_BASE+9)<<3)|0;
+
+	pirq->exclusive_irqs = 0;
+	
+	pirq->rtr_vendor = 0x10de;
+	pirq->rtr_device = 0x005c;
+
+	pirq->miniport_data = 0;
+
+	memset(pirq->rfu, 0, sizeof(pirq->rfu));
+
+	pirq_info = (void *) ( &pirq->checksum + 1);
+	slot_num = 0;
+//pci bridge
+	write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+9)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+//pcix bridge
+        write_pirq_info(pirq_info, bus_8131_0, (1<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+        pirq_info++; slot_num++;
+             
+//second pci beidge   
+        write_pirq_info(pirq_info, bus_ck804b_0, ((CK804_DEVN_BASE+9)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x0, 0);
+        pirq_info++; slot_num++;
+#if 0
+//smbus
+	write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+1)<<3)|0, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+
+//usb
+	write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+2)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+
+//audio
+	write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+4)<<3)|0, 0x1, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+//sata
+	write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+7)<<3)|0, 0x1, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+//sata
+        write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+8)<<3)|0, 0x1, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+//nic
+        write_pirq_info(pirq_info, bus_ck804_0, ((CK804_DEVN_BASE+0xa)<<3)|0, 0x1, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+
+//Slot1 PCIE x16
+        write_pirq_info(pirq_info, bus_ck804_5, (0<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 1, 0);
+        pirq_info++; slot_num++;
+
+//firewire
+        write_pirq_info(pirq_info, bus_ck804_1, (0x5<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+
+//Slot2 pci
+        write_pirq_info(pirq_info, bus_ck804_1, (0x4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 2, 0);
+        pirq_info++; slot_num++;
+//nic   
+        write_pirq_info(pirq_info, bus_ck804b_0, ((CK804_DEVN_BASE+0xa)<<3)|0, 0x1, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+//Slot3 PCIE x16 
+        write_pirq_info(pirq_info, bus_ck804b_5, (0<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 3, 0);
+        pirq_info++; slot_num++;
+
+//Slot4 PCIX
+        write_pirq_info(pirq_info, bus_8131_2, (4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 4, 0);
+        pirq_info++; slot_num++;
+
+//Slot5 PCIX
+        write_pirq_info(pirq_info, bus_8131_2, (9<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 5, 0);
+        pirq_info++; slot_num++;
+
+//onboard scsi
+        write_pirq_info(pirq_info, bus_8131_2, (6<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0);
+        pirq_info++; slot_num++;
+
+//Slot6 PCIX
+        write_pirq_info(pirq_info, bus_8131_1, (4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 6, 0);
+        pirq_info++; slot_num++;
+#endif
+                
+	pirq->size = 32 + 16 * slot_num; 
+
+        for (i = 0; i < pirq->size; i++)
+                sum += v[i];	
+
+	sum = pirq->checksum - sum;
+
+        if (sum != pirq->checksum) {
+                pirq->checksum = sum;
+        }
+
+	return	(unsigned long) pirq_info;
+
+}
diff --git a/src/mainboard/tyan/s4880/irq_tables.c b/src/mainboard/tyan/s4880/irq_tables.c
index dd293ca966..b5f492f5ea 100644
--- a/src/mainboard/tyan/s4880/irq_tables.c
+++ b/src/mainboard/tyan/s4880/irq_tables.c
@@ -44,3 +44,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0xd8, {{0, 0xdef8}, {0, 0xdef8}, {0, 0xdef8}, {0, 0xdef8}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/tyan/s4882/irq_tables.c b/src/mainboard/tyan/s4882/irq_tables.c
index 6bd4a2123a..4d19297ece 100644
--- a/src/mainboard/tyan/s4882/irq_tables.c
+++ b/src/mainboard/tyan/s4882/irq_tables.c
@@ -44,3 +44,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0xd8, {{0, 0xdef8}, {0, 0xdef8}, {0, 0xdef8}, {0, 0xdef8}}, 0, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/via/epia-m/irq_tables.c b/src/mainboard/via/epia-m/irq_tables.c
index 8e8aadcbf4..828f6b3c20 100644
--- a/src/mainboard/via/epia-m/irq_tables.c
+++ b/src/mainboard/via/epia-m/irq_tables.c
@@ -28,3 +28,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0x00,(0x01<<3)|0x0, {{0x01, 0xdeb8}, {0x02, 0xdeb8}, {0x03, 0xdeb8}, {0x04, 0x0deb8}}, 0x0, 0x0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/via/epia/irq_tables.c b/src/mainboard/via/epia/irq_tables.c
index 894c27dec5..d24672dcc8 100644
--- a/src/mainboard/via/epia/irq_tables.c
+++ b/src/mainboard/via/epia/irq_tables.c
@@ -30,3 +30,7 @@ const struct irq_routing_table intel_irq_routing_table = {
 		{0,0x98, {{0x4, 0xdeb8}, {0x3, 0xdeb8}, {0x2, 0xdeb8}, {0x1, 0xdeb8}}, 0x4, 0},
 	}
 };
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+        return copy_pirq_routing_table(addr);
+}