202625e61f
is based on amd-lx800/cs5536. Tutorial: http://www.coreboot.org/IEI_LX_800_Build_Tutorial Signed-off-by: Nikolay Petukhov <nikolay.petukhov@gmail.com> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3261 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
296 lines
8.5 KiB
C
296 lines
8.5 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/pirq_routing.h>
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// #include <console/console.h>
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#include <arch/io.h>
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/* Platform IRQs */
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#define PIRQA 11
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#define PIRQB 10
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#define PIRQC 11
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#define PIRQD 5
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/* Link */
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#define LINK_PIRQA 1
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#define LINK_PIRQB 2
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#define LINK_PIRQC 3
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#define LINK_PIRQD 4
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#define LINK_NONE 0
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/* Map */
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#define IRQ_BITMAP_LINKA (1 << PIRQA)
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#define IRQ_BITMAP_LINKB (1 << PIRQB)
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#define IRQ_BITMAP_LINKC (1 << PIRQC)
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#define IRQ_BITMAP_LINKD (1 << PIRQD)
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#define IRQ_BITMAP_NOLINK 0x0
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#define EXCLUSIVE_PCI_IRQS (IRQ_BITMAP_LINKA | IRQ_BITMAP_LINKB | IRQ_BITMAP_LINKC | IRQ_BITMAP_LINKD)
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const struct irq_routing_table intel_irq_routing_table = {
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PIRQ_SIGNATURE, /* u32 signature */
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PIRQ_VERSION, /* u16 version */
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32 + 16 * IRQ_SLOT_COUNT,/* there can be total 6 devices on the bus */
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0x00, /* Where the interrupt router lies (bus) */
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(0x0F << 3) | 0x0, /* Where the interrupt router lies (dev) */
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EXCLUSIVE_PCI_IRQS, /* IRQs devoted exclusively to PCI usage */
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0x1078, /* Vendor */
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0x0002, /* Device */
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0, /* Crap (miniport) */
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{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* u8 rfu[11] */
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0x62, /* u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
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.slots = {
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[0] = {
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.slot = 0x0, /* means also "on board" */
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.bus = 0x00,
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.devfn = (0x01<<3)|0x0, /* 0x01 is CS5536 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQA,
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.bitmap = IRQ_BITMAP_LINKA
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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}
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}
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},
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[1] = {
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.slot = 0x0, /* means also "on board" */
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.bus = 0x00,
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.devfn = (0x0f<<3)|0x0, /* 0x0f is CS5536 (USB, AUDIO) */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_PIRQB, /* Audio */
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.bitmap = IRQ_BITMAP_LINKB
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_PIRQD, /* USB */
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.bitmap = IRQ_BITMAP_LINKD
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}
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}
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},
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[2] = {
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.slot = 0x0, /* means also "on board" */
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.bus = 0x00,
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.devfn = (0x0e<<3)|0x0, /* 0x0e is eth0 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQD,
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.bitmap = IRQ_BITMAP_LINKD
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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}
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}
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},
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[3] = {
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.slot = 0x0, /* means also "on board" */
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.bus = 0x00,
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.devfn = (0x10<<3)|0x0, /* 0x10 is eth1 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQB,
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.bitmap = IRQ_BITMAP_LINKB
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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}
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}
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},
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[4] = {
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.slot = 0x0, /* means also "on board" */
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.bus = 0x00,
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.devfn = (0x11<<3)|0x0, /* 0x11 is SATA */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQA,
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.bitmap = IRQ_BITMAP_LINKA
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_NONE,
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.bitmap = IRQ_BITMAP_NOLINK
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}
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}
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},
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/*
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* ################### backplane ###################
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*/
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/*
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* PCI1
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*/
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[5] = {
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.slot = 0x1, /* This is real PCI slot. */
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.bus = 0x00,
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.devfn = (0x09<<3)|0x0, /* 0x09 is PCI1 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQA,
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.bitmap = IRQ_BITMAP_LINKA
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_PIRQB,
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.bitmap = IRQ_BITMAP_LINKB
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_PIRQC,
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.bitmap = IRQ_BITMAP_LINKC
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_PIRQD,
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.bitmap = IRQ_BITMAP_LINKD
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}
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}
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},
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/*
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* PCI2
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*/
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[6] = {
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.slot = 0x2, /* This is real PCI slot. */
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.bus = 0x00,
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.devfn = (0x0a<<3)|0x0, /* 0x0a is PCI2 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQD,
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.bitmap = IRQ_BITMAP_LINKD
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_PIRQA,
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.bitmap = IRQ_BITMAP_LINKA
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_PIRQB,
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.bitmap = IRQ_BITMAP_LINKB
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_PIRQC,
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.bitmap = IRQ_BITMAP_LINKC
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}
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}
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},
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/*
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* PCI3
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*/
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[7] = {
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.slot = 0x3, /* This is real PCI slot. */
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.bus = 0x00,
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.devfn = (0x0b<<3)|0x0, /* 0x0b is PCI3 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQC,
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.bitmap = IRQ_BITMAP_LINKC
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_PIRQD,
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.bitmap = IRQ_BITMAP_LINKD
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_PIRQA,
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.bitmap = IRQ_BITMAP_LINKA
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_PIRQB,
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.bitmap = IRQ_BITMAP_LINKB
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}
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}
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},
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/*
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* PCI4
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*/
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[8] = {
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.slot = 0x4, /* This is real PCI slot. */
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.bus = 0x00,
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.devfn = (0x0c<<3)|0x0, /* 0x0c is PCI4 */
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.irq = {
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[0] = { /* <-- 0 means this is INTA# output from the device or slot */
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.link = LINK_PIRQB,
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.bitmap = IRQ_BITMAP_LINKB
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},
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[1] = { /* <-- 1 means this is INTB# output from the device or slot */
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.link = LINK_PIRQC,
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.bitmap = IRQ_BITMAP_LINKC
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},
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[2] = { /* <-- 2 means this is INTC# output from the device or slot */
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.link = LINK_PIRQD,
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.bitmap = IRQ_BITMAP_LINKD
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},
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[3] = { /* <-- 3 means this is INTD# output from the device or slot */
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.link = LINK_PIRQA,
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.bitmap = IRQ_BITMAP_LINKA
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}
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}
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},
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}
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};
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unsigned long write_pirq_routing_table(unsigned long addr)
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{
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/* Put the PIR table in memory and checksum. */
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return copy_pirq_routing_table(addr);
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}
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