Initial AMD Serengeti_Cheetah_FAM10 platform for Barcelona support.

Signed-off-by: Marc Jones <marc.jones@amd.com>
Reviewed-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3016 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 144 insertions, 0 deletions

diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/irq_tables.c b/src/mainboard/amd/serengeti_cheetah_fam10/irq_tables.c
new file mode 100644
index 0000000000..2896b31377
--- /dev/null
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/irq_tables.c
@@ -0,0 +1,144 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+
+#include <console/console.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
+#include <arch/pirq_routing.h>
+#include <cpu/amd/amdfam10_sysconf.h>
+
+#include "mb_sysconf.h"
+
+static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn, u8 link0, u16 bitmap0,
+		u8 link1, u16 bitmap1, u8 link2, u16 bitmap2,u8 link3, u16 bitmap3,
+		u8 slot, u8 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 void get_bus_conf(void);
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+
+	struct irq_routing_table *pirq;
+	struct irq_info *pirq_info;
+	u32 slot_num;
+	u8 *v;
+
+	u8 sum=0;
+	int i;
+
+	struct mb_sysconf_t *m;
+
+	get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c
+
+	m = sysconf.mb;
+
+	/* 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 = (u8 *)(addr);
+
+	pirq->signature = PIRQ_SIGNATURE;
+	pirq->version  = PIRQ_VERSION;
+
+	pirq->rtr_bus = m->bus_8111_0;
+	pirq->rtr_devfn = ((sysconf.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, m->bus_8111_0, ((sysconf.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, m->bus_8132_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+//	pirq_info++; slot_num++;
+
+	int j=0;
+
+	for(i=1; i< sysconf.hc_possible_num; i++) {
+		if(!(sysconf.pci1234[i] & 0x1) ) continue;
+		u32 busn = (sysconf.pci1234[i] >> 12) & 0xff;
+		u32 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++;
+		j++;
+
+	}
+
+#if CBB
+	write_pirq_info(pirq_info, CBB, (0<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+	pirq_info++; slot_num++;
+	if(sysconf.nodes>32) {
+		write_pirq_info(pirq_info, CBB-1, (0<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
+		pirq_info++; slot_num++;
+	}
+#endif
+
+	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;
+
+}