summaryrefslogtreecommitdiff
path: root/src/mainboard/tyan/s2891/get_bus_conf.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/tyan/s2891/get_bus_conf.c')
-rw-r--r--src/mainboard/tyan/s2891/get_bus_conf.c53
1 files changed, 27 insertions, 26 deletions
diff --git a/src/mainboard/tyan/s2891/get_bus_conf.c b/src/mainboard/tyan/s2891/get_bus_conf.c
index aeb1ef4473..8093f96332 100644
--- a/src/mainboard/tyan/s2891/get_bus_conf.c
+++ b/src/mainboard/tyan/s2891/get_bus_conf.c
@@ -7,6 +7,7 @@
#include <cpu/amd/dualcore.h>
#endif
+#include <cpu/amd/amdk8_sysconf.h>
// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
//busnum is default
@@ -24,9 +25,9 @@
unsigned apicid_ck804;
unsigned apicid_8131_1;
unsigned apicid_8131_2;
+
-unsigned sblk;
-unsigned pci1234[] =
+unsigned pci1234x[] =
{ //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
0x0000000,
@@ -38,9 +39,7 @@ unsigned pci1234[] =
// 0x0000ff0,
// 0x0000ff0
};
-unsigned hc_possible_num;
-unsigned sbdn;
-unsigned hcdn[] =
+unsigned hcdnx[] =
{ //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,
@@ -65,27 +64,27 @@ void get_bus_conf(void)
unsigned apicid_base;
device_t dev;
+ unsigned sbdn;
+ int i;
- if(get_bus_conf_done==1) return; //do it only once
+ if(get_bus_conf_done==1) return; //do it only once
- get_bus_conf_done = 1;
+ get_bus_conf_done = 1;
- hc_possible_num = sizeof(pci1234)/sizeof(pci1234[0]);
-
- get_sblk_pci1234();
-
- sbdn = (hcdn[0] & 0xff); // first byte of first chain
+ sysconf.hc_possible_num = sizeof(pci1234x)/sizeof(pci1234x[0]);
+ for(i=0;i<sysconf.hc_possible_num; i++) {
+ sysconf.pci1234[i] = pci1234x[i];
+ sysconf.hcdn[i] = hcdnx[i];
+ }
- sbdn3 = (hcdn[1] & 0xff); // first byte of second chain
+ get_sblk_pci1234();
+
+ sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
+ sbdn = sysconf.sbdn;
-// 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);
- }
+ sbdn3 = (sysconf.hcdn[1] & 0xff); // first byte of second chain
+ bus_ck804_0 = (sysconf.pci1234[0] >> 16) & 0xff;
/* CK804 */
@@ -153,16 +152,14 @@ void get_bus_conf(void)
dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn+ 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++;
- bus_isa = bus_8131_0; // incase only one installed
+ bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+ bus_isa++;
}
else {
printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e);
-
}
- bus_8131_0 = (pci1234[1] >> 16) & 0xff;
+ bus_8131_0 = (sysconf.pci1234[1] >> 16) & 0xff;
/* 8131-1 */
dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
@@ -191,7 +188,11 @@ void get_bus_conf(void)
bus_isa = bus_8131_1+2;
}
-
+ if(sysconf.pci1234[2] & 1) {
+ bus_coproc_0 = (sysconf.pci1234[2] >> 16) & 0xff;
+ coprocdn = (sysconf.hcdn[2] & 0xff);
+ }
+
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS==1