void get_bus_conf(void)
{
unsigned apicid_base;
struct mb_sysconf_t *m;
int i;
if (get_bus_conf_done)
return; //do it only once
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];
}
get_sblk_pci1234();
sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
m->sbdnb = (sysconf.hcdn[1] & 0xff); // first byte of second chain
m->bus_mcp55 = (sysconf.pci1234[0] >> 16) & 0xff;
/* MCP55b */
for (i = 1; i < sysconf.hc_possible_num; i++) {
if (!(sysconf.pci1234[i] & 0x0f))
continue;
// check hcid type here
sysconf.hcid[i] = get_hcid(i);
if (!sysconf.hcid[i])
continue; //unknown co processor
m->bus_mcp55b = (sysconf.pci1234[1]>>16) & 0xff;
}
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS==1
apicid_base = get_apicid_base(2);
#else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
m->apicid_mcp55 = apicid_base+0;
m->apicid_mcp55b = apicid_base+1;
}
void get_bus_conf(void)
{
unsigned apicid_base;
device_t dev;
int i, j;
struct mb_sysconf_t *m;
if (get_bus_conf_done == 1)
return; //do it only once
get_bus_conf_done = 1;
sysconf.mb = &mb_sysconf;
m = sysconf.mb;
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();
sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff;
m->sbdn3 = sysconf.hcdn[0] & 0xff;
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);
} 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 (IS_ENABLED(CONFIG_LOGICAL_CPUS))
apicid_base = get_apicid_base(3);
else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
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;
}
}
