| /* |
| * This file is part of the coreboot 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 version 2 as |
| * published by the Free Software Foundation. |
| * |
| * 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 <arch/pirq_routing.h> |
| #include <console/console.h> |
| #include <arch/io.h> |
| #include "southbridge/amd/cs5536/cs5536.h" |
| |
| /* Platform IRQs */ |
| #define PIRQA 11 |
| #define PIRQB 10 |
| #define PIRQC 11 |
| #define PIRQD 9 |
| |
| /* Map */ |
| #define M_PIRQA (1 << PIRQA) /* Bitmap of supported IRQs */ |
| #define M_PIRQB (1 << PIRQB) /* Bitmap of supported IRQs */ |
| #define M_PIRQC (1 << PIRQC) /* Bitmap of supported IRQs */ |
| #define M_PIRQD (1 << PIRQD) /* Bitmap of supported IRQs */ |
| |
| /* Link */ |
| #define L_PIRQA 1 /* Means Slot INTx# Connects To Chipset INTA# */ |
| #define L_PIRQB 2 /* Means Slot INTx# Connects To Chipset INTB# */ |
| #define L_PIRQC 3 /* Means Slot INTx# Connects To Chipset INTC# */ |
| #define L_PIRQD 4 /* Means Slot INTx# Connects To Chipset INTD# */ |
| |
| /* |
| * ALIX1.C interrupt wiring. |
| * |
| * Devices are: |
| * |
| * 00:01.0 Host bridge: Advanced Micro Devices [AMD] CS5536 [Geode companion] Host Bridge (rev 31) |
| * 00:01.2 Entertainment encryption device: Advanced Micro Devices [AMD] Geode LX AES Security Block |
| * 00:0d.0 Ethernet controller: VIA Technologies, Inc. VT6105M [Rhine-III] (rev 96) |
| * 00:0e.0 Network controller: Intersil Corporation Prism 2.5 Wavelan chipset (rev 01) |
| * 00:0f.0 ISA bridge: Advanced Micro Devices [AMD] CS5536 [Geode companion] ISA (rev 03) |
| * 00:0f.2 IDE interface: Advanced Micro Devices [AMD] CS5536 [Geode companion] IDE (rev 01) |
| * 00:0f.3 Multimedia audio controller: Advanced Micro Devices [AMD] CS5536 [Geode companion] Audio (rev 01) |
| * 00:0f.4 USB Controller: Advanced Micro Devices [AMD] CS5536 [Geode companion] OHC (rev 02) |
| * 00:0f.5 USB Controller: Advanced Micro Devices [AMD] CS5536 [Geode companion] EHC (rev 02) |
| * |
| * The only devices that interrupt are: |
| * |
| * What Device IRQ PIN PIN WIRED TO |
| * ------------------------------------------------- |
| * AES 00:01.2 0a 01 A A |
| * 3VPCI 00:0c.0 0a 01 A A |
| * eth0 00:0d.0 0b 01 A B |
| * mpci 00:0e.0 0a 01 A A |
| * usb 00:0f.3 0b 02 B B |
| * usb 00:0f.4 0b 04 D D |
| * usb 00:0f.5 0b 04 D D |
| * |
| * The only swizzled interrupt is eth0, where INTA is wired to interrupt controller line B. |
| */ |
| |
| static const struct irq_routing_table intel_irq_routing_table = { |
| PIRQ_SIGNATURE, |
| PIRQ_VERSION, |
| 32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* Max. number of devices on the bus */ |
| 0x00, /* Where the interrupt router lies (bus) */ |
| (0x0F << 3) | 0x0, /* Where the interrupt router lies (dev) */ |
| 0x00, /* IRQs devoted exclusively to PCI usage */ |
| 0x100B, /* Vendor */ |
| 0x002B, /* Device */ |
| 0, /* Miniport data */ |
| {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* u8 rfu[11] */ |
| 0x00, /* Checksum */ |
| { |
| /* If you change the number of entries, change CONFIG_IRQ_SLOT_COUNT above! */ |
| |
| /* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */ |
| |
| /* CPU */ |
| {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, |
| |
| /* PCI (slot 1) */ |
| {0x00, (0x0C << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x4, 0x0}, |
| |
| /* On-board ethernet */ |
| {0x00, (0x0D << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, |
| |
| /* Mini PCI (slot 2) */ |
| {0x00, (0x0E << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x1, 0x0}, |
| |
| /* Chipset slots -- f.3 wires to B, and f.4 and f.5 wires to D. */ |
| {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0}, |
| } |
| }; |
| |
| unsigned long write_pirq_routing_table(unsigned long addr) |
| { |
| return copy_pirq_routing_table(addr, &intel_irq_routing_table); |
| } |