diff options
Diffstat (limited to 'src/mainboard/asus/a8n_e/irq_tables.c')
| -rw-r--r-- | src/mainboard/asus/a8n_e/irq_tables.c | 60 |
1 files changed, 25 insertions, 35 deletions
diff --git a/src/mainboard/asus/a8n_e/irq_tables.c b/src/mainboard/asus/a8n_e/irq_tables.c index 9ae15f8cba..4c9417fdc4 100644 --- a/src/mainboard/asus/a8n_e/irq_tables.c +++ b/src/mainboard/asus/a8n_e/irq_tables.c @@ -21,8 +21,6 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -/* Documentation at: http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM */ - #include <console/console.h> #include <device/pci.h> #include <string.h> @@ -63,18 +61,14 @@ static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, */ unsigned long write_pirq_routing_table(unsigned long addr) { - struct irq_routing_table *pirq; struct irq_info *pirq_info; - unsigned slot_num; - uint8_t *v; - - uint8_t sum = 0; + unsigned slot_num, sbdn; + uint8_t *v, sum = 0; int i; - unsigned sbdn; - /* get_bus_conf() will find out all bus num and apic that share with - * mptable.c and mptable.c + /* get_bus_conf() will find out all bus num and APIC that share with + * mptable.c and mptable.c. */ get_bus_conf(); sbdn = sysconf.sbdn; @@ -83,23 +77,19 @@ unsigned long write_pirq_routing_table(unsigned long addr) addr += 15; addr &= ~15; - /* This table must be betweeen 0xf0000 & 0x100000 */ + /* This table must be betweeen 0xf0000 & 0x100000. */ printk_info("Writing IRQ routing tables to 0x%x...", addr); pirq = (void *)(addr); - v = (uint8_t *) (addr); + v = (uint8_t *)(addr); pirq->signature = PIRQ_SIGNATURE; pirq->version = PIRQ_VERSION; - pirq->rtr_bus = bus_ck804[0]; pirq->rtr_devfn = ((sbdn + 9) << 3) | 0; - pirq->exclusive_irqs = 0x828; - pirq->rtr_vendor = 0x10de; pirq->rtr_device = 0x005c; - pirq->miniport_data = 0; memset(pirq->rfu, 0, sizeof(pirq->rfu)); @@ -107,32 +97,31 @@ unsigned long write_pirq_routing_table(unsigned long addr) pirq_info = (void *)(&pirq->checksum + 1); slot_num = 0; -//Slot1 PCIE 16x + /* Slot1 PCIE 16x */ write_pirq_info(pirq_info, bus_ck804[1], (0 << 3) | 0, 0x3, 0xdeb8, 0x4, 0xdeb8, 0x1, 0xdeb8, 0x2, 0xdeb8, 4, 0); pirq_info++; slot_num++; -//Slot2 PCIE 1x + /* Slot2 PCIE 1x */ write_pirq_info(pirq_info, bus_ck804[2], (0 << 3) | 0, 0x4, 0xdeb8, 0x1, 0xdeb8, 0x2, 0xdeb8, 0x3, 0xdeb8, 5, 0); pirq_info++; slot_num++; -//Slot3 PCIE 1x + /* Slot3 PCIE 1x */ write_pirq_info(pirq_info, bus_ck804[3], (0 << 3) | 0, 0x1, 0xdeb8, 0x2, 0xdeb8, 0x3, 0xdeb8, 0x4, 0xdeb8, 6, 0); pirq_info++; slot_num++; -//Slot4 PCIE 4x - write_pirq_info(pirq_info, bus_ck804[4], (0x4 << 3) | 0, - 0x2, 0xdeb8, 0x3, 0xdeb8, 0x4, 0xdeb8, 0x1, 0xdeb8, - 7, 0); + /* Slot4 PCIE 4x */ + write_pirq_info(pirq_info, bus_ck804[4], (0x4 << 3) | 0, 0x2, + 0xdeb8, 0x3, 0xdeb8, 0x4, 0xdeb8, 0x1, 0xdeb8, 7, 0); pirq_info++; slot_num++; -//Slot5 - 7 PCI + /* Slot5 - Slot7 PCI */ for (i = 0; i < 3; i++) { write_pirq_info(pirq_info, bus_ck804[5], (0 << (6 + i)) | 0, ((i + 0) % 4) + 1, 0xdeb8, @@ -143,47 +132,50 @@ unsigned long write_pirq_routing_table(unsigned long addr) slot_num++; } -//pci bridge + /* PCI bridge */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 9) << 3) | 0, 0x1, 0xdeb8, 0x2, 0xdeb8, 0x3, 0xdeb8, 0x4, 0xdeb8, 0, 0); pirq_info++; slot_num++; -//smbus + /* SMBus */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 1) << 3) | 0, 0x2, 0xdeb8, 0, 0, 0, 0, 0, 0, 0, 0); pirq_info++; slot_num++; -//usb + /* USB */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 2) << 3) | 0, 0x1, 0xdeb8, 0x2, 0xdeb8, 0, 0, 0, 0, 0, 0); pirq_info++; slot_num++; -//audio + /* Audio */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 4) << 3) | 0, 0x1, 0xdeb8, 0, 0, 0, 0, 0, 0, 0, 0); pirq_info++; slot_num++; -//sata + + /* SATA */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 7) << 3) | 0, 0x1, 0xdeb8, 0, 0, 0, 0, 0, 0, 0, 0); pirq_info++; slot_num++; -//sata + + /* SATA */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 8) << 3) | 0, 0x1, 0xdeb8, 0, 0, 0, 0, 0, 0, 0, 0); pirq_info++; slot_num++; -//nic + + /* NIC */ write_pirq_info(pirq_info, bus_ck804[0], ((sbdn + 0xa) << 3) | 0, 0x1, 0xdeb8, 0, 0, 0, 0, 0, 0, 0, 0); pirq_info++; slot_num++; #if 0 -//firewire ?? + /* Firewire? */ write_pirq_info(pirq_info, bus_ck804_1, (0x5 << 3) | 0, 0x3, 0xdeb8, 0, 0, 0, 0, 0, 0, 0, 0); pirq_info++; @@ -196,10 +188,8 @@ unsigned long write_pirq_routing_table(unsigned long addr) sum += v[i]; sum = pirq->checksum - sum; - - if (sum != pirq->checksum) { + if (sum != pirq->checksum) pirq->checksum = sum; - } printk_info("done.\n"); |