mainboard: copy nvidia/l1_2pvv to sunw/ultra40m2 and rename

Change-Id: Ia275a697caa73168553b5d588d54df651e0539d7
Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
Reviewed-on: http://review.coreboot.org/12303
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/sunw/ultra40m2/irq_tables.c b/src/mainboard/sunw/ultra40m2/irq_tables.c
new file mode 100644
index 0000000..d643cd4
--- /dev/null
+++ b/src/mainboard/sunw/ultra40m2/irq_tables.c
@@ -0,0 +1,125 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 AMD
+ * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* 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>
+
+#include <cpu/amd/amdk8_sysconf.h>
+#include "mb_sysconf.h"
+
+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;
+}
+
+
+
+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;
+	struct mb_sysconf_t *m;
+	unsigned sbdn;
+
+	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
+	sbdn = sysconf.sbdn;
+	m = sysconf.mb;
+
+	/* Align the table to be 16 byte aligned. */
+	addr += 15;
+	addr &= ~15;
+
+	/* This table must be between 0xf0000 & 0x100000 */
+	printk(BIOS_INFO, "Writing IRQ routing tables to 0x%lx...", addr);
+
+	pirq = (void *)(addr);
+	v = (uint8_t *)(addr);
+
+	pirq->signature = PIRQ_SIGNATURE;
+	pirq->version  = PIRQ_VERSION;
+
+	pirq->rtr_bus = m->bus_mcp55;
+	pirq->rtr_devfn = ((sbdn+6)<<3)|0;
+
+	pirq->exclusive_irqs = 0;
+
+	pirq->rtr_vendor = 0x10de;
+	pirq->rtr_device = 0x0370;
+
+	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, m->bus_mcp55, ((sbdn+6)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+
+	for (i = 1; i < sysconf.hc_possible_num; i++) {
+		if(!(sysconf.pci1234[i] & 0x1) ) continue;
+		unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
+		unsigned devn = sysconf.hcdn[i] & 0xff;
+
+		write_pirq_info(pirq_info, busn, (devn<<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(BIOS_INFO, "done.\n");
+
+	return	(unsigned long) pirq_info;
+
+}