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authorYinghai Lu <yinghailu@gmail.com>2005-12-06 23:34:09 +0000
committerYinghai Lu <yinghailu@gmail.com>2005-12-06 23:34:09 +0000
commit968bbe89cdc0a8bb47852388842bdf4ab625126e (patch)
tree74c95722c3a6b02e3cf8a3f532221ee4a42c1ef4 /src/mainboard/tyan/s2881/irq_tables.c
parent2c2d54479d777f4095851f65bda67c6ace26b35b (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.c122
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;
+
}