diff options
author | Yinghai Lu <yinghailu@gmail.com> | 2005-12-06 23:34:09 +0000 |
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committer | Yinghai Lu <yinghailu@gmail.com> | 2005-12-06 23:34:09 +0000 |
commit | 968bbe89cdc0a8bb47852388842bdf4ab625126e (patch) | |
tree | 74c95722c3a6b02e3cf8a3f532221ee4a42c1ef4 /src/mainboard/tyan/s2881/irq_tables.c | |
parent | 2c2d54479d777f4095851f65bda67c6ace26b35b (diff) |
use hcdn to simplify the mptable.c and irqtable.c --- patch fro issue
48
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2136 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/tyan/s2881/irq_tables.c')
-rw-r--r-- | src/mainboard/tyan/s2881/irq_tables.c | 122 |
1 files changed, 96 insertions, 26 deletions
diff --git a/src/mainboard/tyan/s2881/irq_tables.c b/src/mainboard/tyan/s2881/irq_tables.c index 028c279ba0..ad4785b899 100644 --- a/src/mainboard/tyan/s2881/irq_tables.c +++ b/src/mainboard/tyan/s2881/irq_tables.c @@ -4,34 +4,104 @@ 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> -const struct irq_routing_table intel_irq_routing_table = { - PIRQ_SIGNATURE, /* u32 signature */ - PIRQ_VERSION, /* u16 version */ - 32+16*9, /* there can be total 9 devices on the bus */ - 1, /* Where the interrupt router lies (bus) */ - (4<<3)|3, /* Where the interrupt router lies (dev) */ - 0, /* IRQs devoted exclusively to PCI usage */ - 0x1022, /* Vendor */ - 0x746b, /* Device */ - 0, /* Crap (miniport) */ - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ - 0x66, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ - { - {1,(4<<3)|0, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0, 0}, - {0x4,0, {{0, 0}, {0, 0}, {0, 0}, {0x4, 0xdef8}}, 0, 0}, - {0x3,0x18, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}, {0x4, 0xdef8}}, 0x1, 0}, - {0x2,0x38, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0}, - {0x2,0x40, {{0x4, 0xdef8}, {0x1, 0xdef8}, {0x2, 0xdef8}, {0x3, 0xdef8}}, 0x4, 0}, - {0x4,0x30, {{0x3, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0}, - {0x2,0x48, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0}, - {0x2,0x50, {{0x1, 0xdef8}, {0x2, 0xdef8}, {0, 0}, {0, 0}}, 0, 0}, - {0x4,0x28, {{0x2, 0xdef8}, {0, 0}, {0, 0}, {0, 0}}, 0, 0}, - } -}; +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_8131_0; +extern unsigned char bus_8131_1; +extern unsigned char bus_8131_2; +extern unsigned char bus_8111_0; +extern unsigned char bus_8111_1; + +extern unsigned sbdn; +extern unsigned hcdn[]; +extern unsigned sbdn3; + +extern void get_bus_conf(void); + unsigned long write_pirq_routing_table(unsigned long addr) { - return copy_pirq_routing_table(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(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c + + /* 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_8111_0; + pirq->rtr_devfn = ((sbdn+1)<<3)|0; + + pirq->exclusive_irqs = 0; + + pirq->rtr_vendor = 0x1022; + pirq->rtr_device = 0x746b; + + pirq->miniport_data = 0; + + memset(pirq->rfu, 0, sizeof(pirq->rfu)); + + pirq_info = (void *) ( &pirq->checksum + 1); + slot_num = 0; +//pci bridge + write_pirq_info(pirq_info, bus_8111_0, ((sbdn+1)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); + pirq_info++; slot_num++; +//pcix bridge +// write_pirq_info(pirq_info, bus_8131_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); +// pirq_info++; slot_num++; + + 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; + } |