diff options
Diffstat (limited to 'src/mainboard/axus/tc320/irq_tables.c')
| -rw-r--r-- | src/mainboard/axus/tc320/irq_tables.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/src/mainboard/axus/tc320/irq_tables.c b/src/mainboard/axus/tc320/irq_tables.c deleted file mode 100644 index 71cf2e1ef7..0000000000 --- a/src/mainboard/axus/tc320/irq_tables.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007 Juergen Beisert <juergen@kreuzholzen.de> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 - */ - -/** - * @file - * Interrupt routing description for the AXUS TC320 board. - * It was not possible to read back the PIRQ table. There was no BIOS to ask - * for it, only a bootloader for an embedded OS. - * But with the method described here: - * http://coreboot.org/Creating_Valid_IRQ_Tables - * it was possible to detect the physical IRQ routing on this board. - * - * This is the physical routing on this board: - * - * IRQ 5530 USB Network - * controller northbridge device device - * 00.13.0 00.0e.00 - * -------------------------------------------- - * 11 INTA# INTA# n.c. - * 15 INTB# n.c. INTA# - * INTC# n.c. n.c. - * INTD# n.c. n.c. - */ - -#include <arch/pirq_routing.h> - -#define INT_A 0x01 -#define INT_B 0x02 -#define INT_C 0x03 -#define INT_D 0x04 - -/* - * The USB controller should be connected to IRQ11, - * the network controller should be connected to IRQ15. - */ - -#define IRQ_BITMAP_LINK0 0x0800 -#define IRQ_BITMAP_LINK1 0x8000 -#define IRQ_BITMAP_LINK2 0x0000 -#define IRQ_BITMAP_LINK3 0x0000 - -/** Reserved interrupt channels for exclusive PCI usage. */ -#define IRQ_DEVOTED_TO_PCI (IRQ_BITMAP_LINK0 | IRQ_BITMAP_LINK1) - -/** - * Routing description. - * Documentation at: http://www.microsoft.com/whdc/archive/pciirq.mspx - */ -static const struct irq_routing_table intel_irq_routing_table = { - .signature = PIRQ_SIGNATURE, /* PIRQ signature */ - .version = PIRQ_VERSION, /* PIRQ version */ - .size = 32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* Max. CONFIG_IRQ_SLOT_COUNT devices */ - .rtr_bus = 0x00, /* Interrupt router bus */ - .rtr_devfn = (0x12 << 3) | 0x0, /* Interrupt router device */ - .exclusive_irqs = IRQ_DEVOTED_TO_PCI, /* IRQs devoted to PCI */ - .rtr_vendor = 0x1078, /* Vendor */ - .rtr_device = 0x0100, /* Device */ - .miniport_data = 0, /* Miniport data */ - .checksum = 0xe3, /* Checksum */ - .slots = { - /* - * Definition for "slot#1". There is no real slot, - * the USB device is embedded... - */ - [0] = { - .bus = 0x00, - .devfn = (0x13 << 3) | 0x0, - .irq = { - /* Link Bitmap */ - [0] = { INT_A, IRQ_BITMAP_LINK0 }, - [1] = { INT_B, IRQ_BITMAP_LINK1 }, - [2] = { INT_C, IRQ_BITMAP_LINK2 }, - [3] = { INT_D, IRQ_BITMAP_LINK3 }, - }, - .slot = 0x0, - }, - /* - * Definition for "slot#2". There is no real slot, - * the network device is soldered... - */ - [1] = { - .bus = 0x00, - .devfn = (0x0e << 3) | 0x0, - .irq = { - /* Link Bitmap */ - [0] = { INT_B, IRQ_BITMAP_LINK1 }, - [1] = { INT_C, IRQ_BITMAP_LINK2 }, - [2] = { INT_D, IRQ_BITMAP_LINK3 }, - [3] = { INT_A, IRQ_BITMAP_LINK0 }, - }, - .slot = 0x0, - } - } -}; - -/** - * Copy the IRQ routing table to memory. - * - * @param[in] addr Destination address (between 0xF0000...0x100000). - * @return TODO. - */ -unsigned long write_pirq_routing_table(unsigned long addr) -{ - return copy_pirq_routing_table(addr, &intel_irq_routing_table); -} |