diff options
Diffstat (limited to 'src/mainboard/broadcom/blast/irq_tables.c')
-rw-r--r-- | src/mainboard/broadcom/blast/irq_tables.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/mainboard/broadcom/blast/irq_tables.c b/src/mainboard/broadcom/blast/irq_tables.c new file mode 100644 index 0000000000..6695a900aa --- /dev/null +++ b/src/mainboard/broadcom/blast/irq_tables.c @@ -0,0 +1,108 @@ +/* This file was generated by getpir.c, do not modify! + (but if you do, please run checkpir on it to verify) + Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up + + Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM +*/ +#include <console/console.h> +#include <device/pci.h> +#include <string.h> +#include <stdint.h> +#include <arch/pirq_routing.h> + +extern unsigned pci1234[]; +extern unsigned sbdn; +extern unsigned hcdn[]; + +static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0, + uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3, + uint8_t slot, uint8_t rfu) +{ + pirq_info->bus = bus; + pirq_info->devfn = devfn; + + pirq_info->irq[0].link = link0; + pirq_info->irq[0].bitmap = bitmap0; + pirq_info->irq[1].link = link1; + pirq_info->irq[1].bitmap = bitmap1; + pirq_info->irq[2].link = link2; + pirq_info->irq[2].bitmap = bitmap2; + pirq_info->irq[3].link = link3; + pirq_info->irq[3].bitmap = bitmap3; + + pirq_info->slot = slot; + pirq_info->rfu = rfu; +} + +extern unsigned char bus_isa; +extern unsigned char bus_bcm5780[7]; +extern unsigned char bus_bcm5785_0; +extern unsigned char bus_bcm5785_1; +extern unsigned apicid_bcm5785[3]; + +extern unsigned sbdn2; + +extern void get_bus_conf(void); + +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; + int i; + + get_bus_conf(); + + /* Align the table to be 16 byte aligned. */ + addr += 15; + addr &= ~15; + + /* This table must be betweeen 0xf0000 & 0x100000 */ + printk_info("Writing IRQ routing tables to 0x%x...", addr); + + pirq = (void *)(addr); + v = (uint8_t *)(addr); + + pirq->signature = PIRQ_SIGNATURE; + pirq->version = PIRQ_VERSION; + + pirq->rtr_bus = bus_bcm5785_0; + pirq->rtr_devfn = (sbdn<<3)|0; + + pirq->exclusive_irqs = 0; + + pirq->rtr_vendor = 0x1166; + pirq->rtr_device = 0x0036; + + pirq->miniport_data = 0; + + memset(pirq->rfu, 0, sizeof(pirq->rfu)); + + get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c + + pirq_info = (void *) ( &pirq->checksum + 1); + slot_num = 0; +//pci bridge + write_pirq_info(pirq_info, bus_bcm5785_0, (sbdn<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); + pirq_info++; slot_num++; + + pirq->size = 32 + 16 * slot_num; + + for (i = 0; i < pirq->size; i++) + sum += v[i]; + + sum = pirq->checksum - sum; + + if (sum != pirq->checksum) { + pirq->checksum = sum; + } + + printk_info("done.\n"); + + return (unsigned long) pirq_info; + +} |