diff options
Diffstat (limited to 'src/mainboard/amd/serengeti_cheetah/get_bus_conf.c')
-rw-r--r-- | src/mainboard/amd/serengeti_cheetah/get_bus_conf.c | 114 |
1 files changed, 98 insertions, 16 deletions
diff --git a/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c b/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c index cc4c0e4219..d76b1ef2b9 100644 --- a/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c +++ b/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c @@ -42,13 +42,44 @@ extern void get_sblk_pci1234(void); static unsigned get_bus_conf_done = 0; +static unsigned get_hcid(unsigned i) +{ + unsigned id = 0; + + unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff; + + unsigned devn = sysconf.hcdn[i] & 0xff; + + device_t dev; + + dev = dev_find_slot(busn, PCI_DEVFN(devn,0)); + + switch (dev->device) { + case 0x7458: //8132 + id = 1; + break; + case 0x7454: //8151 + id = 2; + break; + case 0x7450: //8131 + id = 3; + break; + } + + // 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 + + return id; +} + void get_bus_conf(void) { unsigned apicid_base; device_t dev; - int i; + int i, j; struct mb_sysconf_t *m; if(get_bus_conf_done == 1) return; //do it only once @@ -69,7 +100,6 @@ void get_bus_conf(void) sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff; m->sbdn3 = sysconf.hcdn[0] & 0xff; - m->sbdn5 = sysconf.hcdn[1] & 0xff; m->bus_8132_0 = (sysconf.pci1234[0] >> 16) & 0xff; m->bus_8111_0 = m->bus_8132_0; @@ -112,22 +142,69 @@ void get_bus_conf(void) } /* HT chain 1 */ - if((sysconf.pci1234[1] & 0x1) == 1) { - m->bus_8151_0 = (sysconf.pci1234[1] >> 16) & 0xff; - /* 8151 */ - dev = dev_find_slot(m->bus_8151_0, PCI_DEVFN(m->sbdn5+1, 0)); - - if (dev) { - m->bus_8151_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); -// printk_debug("bus_8151_1=%d\n",bus_8151_1); - m->bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); - m->bus_isa++; - } - else { - printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8151_0, m->sbdn5+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_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); + m->bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + m->bus_isa++; + // printk_debug("bus_isa=%d\n",bus_isa); + } + else { + printk_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_debug("bus_8151_1=%d\n",bus_8151[j][1]); + m->bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + m->bus_isa++; + } + else { + printk_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==1 apicid_base = get_apicid_base(3); @@ -137,4 +214,9 @@ void get_bus_conf(void) 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; + } + } |