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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2015-11-24 14:12:08 -0600
committerMartin Roth <martinroth@google.com>2016-02-05 22:28:38 +0100
commit4551b68c83e7693ae0b079dce9e4dcaf35050fa2 (patch)
treec468054755eac45fe3c2655f7dbaf25944c32c4a /src/mainboard/asus/kcma-d8/irq_tables.c
parentf098a7310a6e1d1e86f3720d10eaa7c0b0687935 (diff)
downloadcoreboot-4551b68c83e7693ae0b079dce9e4dcaf35050fa2.tar.xz
mainboard/asus/kcma-d8: Copy ASUS KGPE-D16 for initial support work
Also updated KGPE-D16 strings to KCMA-D8 throughout the copy to work around Jenkins failures caused by an unmodified clone. Change-Id: I943e81c8c2987a8333fc2a1cdb3675abf2d90cf1 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: https://review.coreboot.org/13521 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/asus/kcma-d8/irq_tables.c')
-rw-r--r--src/mainboard/asus/kcma-d8/irq_tables.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/mainboard/asus/kcma-d8/irq_tables.c b/src/mainboard/asus/kcma-d8/irq_tables.c
new file mode 100644
index 0000000000..ef39db2610
--- /dev/null
+++ b/src/mainboard/asus/kcma-d8/irq_tables.c
@@ -0,0 +1,128 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2015 Raptor Engineering
+ *
+ * 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.
+ */
+
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
+#include <arch/pirq_routing.h>
+
+#include <cpu/amd/amdfam10_sysconf.h>
+
+/* Free irqs are 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, and 15 */
+#define IRQBM ((1<<3)|(1<<4)|(1<<5)|(1<<6)|(1<<7)|(1<<9)|(1<<10)|(1<<11)|(1<<12)|(1<<14)|(1<<15))
+
+#define LNKA 1
+#define LNKB 2
+#define LNKC 3
+#define LNKD 4
+
+/*
+ * For simplicity map LNK[E-H] to LNK[A-D].
+ * This also means we are 82C596 compatible.
+ * Needs 0:11.0 0x46[4] set to 0.
+ */
+#define LNKE 1
+#define LNKF 2
+#define LNKG 3
+#define LNKH 4
+
+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 u8 bus_isa;
+extern u8 bus_sr5650[14];
+extern u8 bus_sp5100[2];
+extern u32 sbdn_sp5100;
+extern u32 sbdn_sr5650;
+
+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;
+
+ 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 between 0xf0000 & 0x100000 */
+ printk(BIOS_INFO, "Writing IRQ routing tables to 0x%lx...", addr);
+
+ pirq = (void *)(addr);
+ v = (u8 *) (addr);
+
+ pirq->signature = PIRQ_SIGNATURE;
+ pirq->version = PIRQ_VERSION;
+
+ /* Where the interrupt router resides */
+ pirq->rtr_bus = bus_sp5100[0];
+ pirq->rtr_devfn = PCI_DEVFN(0x14, 4);
+
+ pirq->exclusive_irqs = 0;
+
+ pirq->rtr_vendor = PCI_VENDOR_ID_ATI;
+ pirq->rtr_device = PCI_DEVICE_ID_ATI_SB700_PCI;
+
+ 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_sp5100[0], ((sbdn_sp5100 + 0x14) << 3) | 4,
+ LNKA, IRQBM, LNKB, IRQBM, LNKC, IRQBM, LNKD, IRQBM, 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;
+}