From 9dd8d56192f617bb0afd20a59622f69b92353b2d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghailu@gmail.com>
Date: Thu, 18 May 2006 17:09:14 +0000
Subject: [PATCH] co processor support with s2891

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2310 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
 src/mainboard/tyan/s2891/get_bus_conf.c | 16 ++++++++++++----
 src/mainboard/tyan/s2891/irq_tables.c   |  8 ++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/mainboard/tyan/s2891/get_bus_conf.c b/src/mainboard/tyan/s2891/get_bus_conf.c
index 3462a5f557..aeb1ef4473 100644
--- a/src/mainboard/tyan/s2891/get_bus_conf.c
+++ b/src/mainboard/tyan/s2891/get_bus_conf.c
@@ -20,6 +20,7 @@
         unsigned char bus_8131_0;  //7
         unsigned char bus_8131_1;  //8
         unsigned char bus_8131_2;  //9
+	unsigned char bus_coproc_0;
         unsigned apicid_ck804;
         unsigned apicid_8131_1;
         unsigned apicid_8131_2;
@@ -28,9 +29,9 @@ unsigned sblk;
 unsigned pci1234[] = 
 {        //Here you only need to set value in pci1234 for HT-IO that could be installed or not
 	 //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
-        0x0000ff0,
-        0x0000ff0,
-//        0x0000ff0,
+        0x0000000,
+        0x0000200,
+        0x0000100,
 //        0x0000ff0,
 //        0x0000ff0,
 //        0x0000ff0,
@@ -43,7 +44,7 @@ unsigned hcdn[] =
 { //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
 	0x20202020,
 	0x20202020,
-//        0x20202020,
+        0x20202020,
 //        0x20202020,
 //        0x20202020,
 //        0x20202020,
@@ -52,6 +53,7 @@ unsigned hcdn[] =
 };
 
 unsigned sbdn3;
+unsigned coprocdn;
 
 extern void get_sblk_pci1234(void);
 
@@ -79,6 +81,12 @@ void get_bus_conf(void)
 //	bus_ck804_0 = node_link_to_bus(0, sblk);
 	bus_ck804_0 = (pci1234[0] >> 16) & 0xff;
 
+        if(pci1234[2] & 1) {
+		bus_coproc_0 = (pci1234[2] >> 16) & 0xff;
+		coprocdn =  (hcdn[2] & 0xff);
+        }
+
+
 
                 /* CK804 */
                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x09,0));
diff --git a/src/mainboard/tyan/s2891/irq_tables.c b/src/mainboard/tyan/s2891/irq_tables.c
index b4d61aaaea..922dced7c9 100644
--- a/src/mainboard/tyan/s2891/irq_tables.c
+++ b/src/mainboard/tyan/s2891/irq_tables.c
@@ -38,10 +38,12 @@ extern  unsigned char bus_ck804_5; //6
 extern  unsigned char bus_8131_0;//7
 extern  unsigned char bus_8131_1;//8
 extern  unsigned char bus_8131_2;//9
+extern  unsigned char bus_coproc_0;
 
 extern  unsigned sbdn;
 extern  unsigned hcdn[];
 extern  unsigned sbdn3;
+extern unsigned coprocdn;
 
 extern void get_bus_conf(void);
 
@@ -91,6 +93,12 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 //pcix bridge
         write_pirq_info(pirq_info, bus_8131_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
         pirq_info++; slot_num++;
+
+//co processor
+        if(pci1234[2] & 1) {
+                write_pirq_info(pirq_info, bus_coproc_0, (coprocdn<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+                pirq_info++; slot_num++;
+        }
              
 #if 0
 //smbus