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Diffstat (limited to 'src/mainboard/tyan/s2912/get_bus_conf.c')
-rw-r--r--src/mainboard/tyan/s2912/get_bus_conf.c130
1 files changed, 64 insertions, 66 deletions
diff --git a/src/mainboard/tyan/s2912/get_bus_conf.c b/src/mainboard/tyan/s2912/get_bus_conf.c
index 9d6b9d7232..04f930fb12 100644
--- a/src/mainboard/tyan/s2912/get_bus_conf.c
+++ b/src/mainboard/tyan/s2912/get_bus_conf.c
@@ -36,28 +36,28 @@
// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
struct mb_sysconf_t mb_sysconf;
-unsigned pci1234x[] =
-{ //Here you only need to set value in pci1234 for HT-IO that could be installed or not
+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
- 0x0000ff0,
- 0x0000ff0,
- 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0
+ 0x0000ff0,
+ 0x0000ff0,
+ 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0,
+// 0x0000ff0
};
-unsigned hcdnx[] =
+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,
- 0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
+ 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
+// 0x20202020,
};
@@ -67,27 +67,27 @@ static unsigned get_bus_conf_done = 0;
static unsigned get_hcid(unsigned i)
{
- unsigned id = 0;
+ unsigned id = 0;
- unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
+ unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
- unsigned devn = sysconf.hcdn[i] & 0xff;
+ unsigned devn = sysconf.hcdn[i] & 0xff;
- device_t dev;
+ device_t dev;
- dev = dev_find_slot(busn, PCI_DEVFN(devn,0));
+ dev = dev_find_slot(busn, PCI_DEVFN(devn,0));
- switch (dev->device) {
- case 0x0369: //IO55
- id = 4;
- break;
- }
+ switch (dev->device) {
+ case 0x0369: //IO55
+ id = 4;
+ break;
+ }
- // we may need more way to find out hcid: subsystem id? GPIO read ?
+ // we may need more way to find out hcid: subsystem id? GPIO read ?
- // we need use id for 1. bus num, 2. mptable, 3. acpi table
+ // we need use id for 1. bus num, 2. mptable, 3. acpi table
- return id;
+ return id;
}
void get_bus_conf(void)
@@ -96,70 +96,68 @@ void get_bus_conf(void)
unsigned apicid_base;
struct mb_sysconf_t *m;
- device_t dev;
- int i, j;
+ device_t dev;
+ int i, j;
- 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;
sysconf.mb = &mb_sysconf;
-
+
m = sysconf.mb;
memset(m, 0, sizeof(struct mb_sysconf_t));
- sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
- for(i=0;i<sysconf.hc_possible_num; i++) {
- sysconf.pci1234[i] = pci1234x[i];
- sysconf.hcdn[i] = hcdnx[i];
- }
+ sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
+ for(i=0;i<sysconf.hc_possible_num; i++) {
+ sysconf.pci1234[i] = pci1234x[i];
+ sysconf.hcdn[i] = hcdnx[i];
+ }
- get_sblk_pci1234();
+ get_sblk_pci1234();
sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
m->bus_type[0] = 1; //pci
-
+
m->bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff;
- /* MCP55 */
- dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0));
- if (dev) {
- m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06);
- }
+ /* MCP55 */
+ dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0));
+ if (dev) {
+ m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ }
+ else {
+ printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06);
+ }
for(i=2; i<8;i++) {
- dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0));
- if (dev) {
- m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 );
- }
+ dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0));
+ if (dev) {
+ m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ }
+ else {
+ printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 );
+ }
}
for(i=0; i< sysconf.hc_possible_num; i++) {
if(!(sysconf.pci1234[i] & 0x1) ) continue;
- unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
- unsigned busn_max = (sysconf.pci1234[i] >> 24) & 0xff;
- for (j = busn; j <= busn_max; j++)
+ unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
+ unsigned busn_max = (sysconf.pci1234[i] >> 24) & 0xff;
+ for (j = busn; j <= busn_max; j++)
m->bus_type[j] = 1;
- if(m->bus_isa <= busn_max)
+ if(m->bus_isa <= busn_max)
m->bus_isa = busn_max + 1;
- printk_debug("i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
+ printk_debug("i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
}
-
-
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS==1
apicid_base = get_apicid_base(1);
-#else
- apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
+#else
+ apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
m->apicid_mcp55 = apicid_base+0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-17 21:08:23 +0000