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Diffstat (limited to 'src/mainboard/amd/serengeti_cheetah')
-rw-r--r--src/mainboard/amd/serengeti_cheetah/get_bus_conf.c255
1 files changed, 134 insertions, 121 deletions
diff --git a/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c b/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c
index d4f44c0d93..f5cd846183 100644
--- a/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c
+++ b/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c
@@ -15,11 +15,10 @@
// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
struct mb_sysconf_t mb_sysconf;
-static 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,
+static 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,
@@ -27,8 +26,8 @@ static unsigned pci1234x[] =
// 0x0000ff0,
// 0x0000ff0
};
-static 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
+
+static 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,
@@ -39,39 +38,37 @@ static unsigned hcdnx[] =
// 0x20202020,
};
-
-
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 0x7458: //8132
- id = 1;
- break;
- case 0x7454: //8151
- id = 2;
+ switch (dev->device) {
+ case 0x7458: //8132
+ id = 1;
+ break;
+ case 0x7454: //8151
+ id = 2;
break;
- case 0x7450: //8131
- id = 3;
- break;
- }
+ case 0x7450: //8131
+ id = 3;
+ 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)
@@ -79,11 +76,12 @@ void get_bus_conf(void)
unsigned apicid_base;
- device_t dev;
+ device_t dev;
int i, j;
struct mb_sysconf_t *m;
- 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;
@@ -92,7 +90,7 @@ void get_bus_conf(void)
m = sysconf.mb;
sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
- for(i=0;i<sysconf.hc_possible_num; i++) {
+ for (i = 0; i < sysconf.hc_possible_num; i++) {
sysconf.pci1234[i] = pci1234x[i];
sysconf.hcdn[i] = hcdnx[i];
}
@@ -105,91 +103,106 @@ void get_bus_conf(void)
m->bus_8132_0 = (sysconf.pci1234[0] >> 16) & 0xff;
m->bus_8111_0 = m->bus_8132_0;
- /* 8111 */
- dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
- if (dev) {
- m->bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8111_0, sysconf.sbdn);
- }
-
- /* 8132-1 */
- dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3,0));
- if (dev) {
- m->bus_8132_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132_0, m->sbdn3);
- }
-
- /* 8132-2 */
- dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3+1,0));
- if (dev) {
- m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132_0, m->sbdn3+1);
- }
-
- /* HT chain 1 */
- j=0;
- for(i=1; i< sysconf.hc_possible_num; i++) {
- if(!(sysconf.pci1234[i] & 0x1) ) continue;
-
- // check hcid type here
- sysconf.hcid[i] = get_hcid(i);
-
- switch(sysconf.hcid[i]) {
-
- case 1: //8132
- case 3: //8131
-
- m->bus_8132a[j][0] = (sysconf.pci1234[i] >> 16) & 0xff;
-
- m->sbdn3a[j] = sysconf.hcdn[i] & 0xff;
-
- /* 8132-1 */
- dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j],0));
- if (dev) {
- m->bus_8132a[j][1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132a[j][0], m->sbdn3a[j]);
- }
-
- /* 8132-2 */
- dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1,0));
- if (dev) {
- m->bus_8132a[j][2] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132a[j][0], m->sbdn3a[j]+1);
- }
-
- break;
-
- case 2: //8151
-
- m->bus_8151[j][0] = (sysconf.pci1234[i] >> 16) & 0xff;
- m->sbdn5[j] = sysconf.hcdn[i] & 0xff;
- /* 8151 */
- dev = dev_find_slot(m->bus_8151[j][0], PCI_DEVFN(m->sbdn5[j]+1, 0));
-
- if (dev) {
- m->bus_8151[j][1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
- // printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151[j][1]);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8151[j][0], m->sbdn5[j]+1);
- }
-
- break;
- }
-
- j++;
- }
+ /* 8111 */
+ dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn, 0));
+ if (dev) {
+ m->bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ m->bus_8111_0, sysconf.sbdn);
+ }
+ /* 8132-1 */
+ dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3, 0));
+ if (dev) {
+ m->bus_8132_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ m->bus_8132_0, m->sbdn3);
+ }
+
+ /* 8132-2 */
+ dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3 + 1, 0));
+ if (dev) {
+ m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ m->bus_8132_0, m->sbdn3 + 1);
+ }
+
+ /* HT chain 1 */
+ j = 0;
+ for (i = 1; i < sysconf.hc_possible_num; i++) {
+ if (!(sysconf.pci1234[i] & 0x1))
+ continue;
+
+ // check hcid type here
+ sysconf.hcid[i] = get_hcid(i);
+
+ switch (sysconf.hcid[i]) {
+
+ case 1: //8132
+ case 3: //8131
+
+ m->bus_8132a[j][0] = (sysconf.pci1234[i] >> 16) & 0xff;
+
+ m->sbdn3a[j] = sysconf.hcdn[i] & 0xff;
+
+ /* 8132-1 */
+ dev =
+ dev_find_slot(m->bus_8132a[j][0],
+ PCI_DEVFN(m->sbdn3a[j], 0));
+ if (dev) {
+ m->bus_8132a[j][1] =
+ pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ m->bus_8132a[j][0], m->sbdn3a[j]);
+ }
+
+ /* 8132-2 */
+ dev =
+ dev_find_slot(m->bus_8132a[j][0],
+ PCI_DEVFN(m->sbdn3a[j] + 1, 0));
+ if (dev) {
+ m->bus_8132a[j][2] =
+ pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ m->bus_8132a[j][0], m->sbdn3a[j] + 1);
+ }
+
+ break;
+
+ case 2: //8151
+
+ m->bus_8151[j][0] = (sysconf.pci1234[i] >> 16) & 0xff;
+ m->sbdn5[j] = sysconf.hcdn[i] & 0xff;
+ /* 8151 */
+ dev =
+ dev_find_slot(m->bus_8151[j][0],
+ PCI_DEVFN(m->sbdn5[j] + 1, 0));
+
+ if (dev) {
+ m->bus_8151[j][1] =
+ pci_read_config8(dev, PCI_SECONDARY_BUS);
+ // printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151[j][1]);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:%02x.0, using defaults\n",
+ m->bus_8151[j][0], m->sbdn5[j] + 1);
+ }
+
+ break;
+ }
+
+ j++;
+ }
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS
@@ -197,12 +210,12 @@ void get_bus_conf(void)
#else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
- m->apicid_8111 = apicid_base+0;
- m->apicid_8132_1 = apicid_base+1;
- m->apicid_8132_2 = apicid_base+2;
- for(i=0;i<j;i++) {
- m->apicid_8132a[i][0] = apicid_base + 3 + i*2;
- m->apicid_8132a[i][1] = apicid_base + 3 + i*2 + 1;
- }
+ m->apicid_8111 = apicid_base + 0;
+ m->apicid_8132_1 = apicid_base + 1;
+ m->apicid_8132_2 = apicid_base + 2;
+ for (i = 0; i < j; i++) {
+ m->apicid_8132a[i][0] = apicid_base + 3 + i * 2;
+ m->apicid_8132a[i][1] = apicid_base + 3 + i * 2 + 1;
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 21:42:42 +0000