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author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-11-24 14:12:08 -0600 |
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committer | Martin Roth <martinroth@google.com> | 2016-02-05 22:28:38 +0100 |
commit | 4551b68c83e7693ae0b079dce9e4dcaf35050fa2 (patch) | |
tree | c468054755eac45fe3c2655f7dbaf25944c32c4a /src/mainboard/asus/kcma-d8/irq_tables.c | |
parent | f098a7310a6e1d1e86f3720d10eaa7c0b0687935 (diff) | |
download | coreboot-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.c | 128 |
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; +} |