diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/asus/m2v/Kconfig | 5 | ||||
| -rw-r--r-- | src/mainboard/asus/m2v/irq_tables.c | 91 |
2 files changed, 96 insertions, 0 deletions
diff --git a/src/mainboard/asus/m2v/Kconfig b/src/mainboard/asus/m2v/Kconfig index 22ab1274f0..24b00b521d 100644 --- a/src/mainboard/asus/m2v/Kconfig +++ b/src/mainboard/asus/m2v/Kconfig @@ -17,6 +17,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy select BOARD_ROMSIZE_KB_512 select RAMINIT_SYSINFO select TINY_BOOTBLOCK + select HAVE_PIRQ_TABLE config MAINBOARD_DIR string @@ -74,4 +75,8 @@ config MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID hex default 0x1043 +config IRQ_SLOT_COUNT + int + default 14 + endif # BOARD_ASUS_M2V diff --git a/src/mainboard/asus/m2v/irq_tables.c b/src/mainboard/asus/m2v/irq_tables.c new file mode 100644 index 0000000000..0770f027bd --- /dev/null +++ b/src/mainboard/asus/m2v/irq_tables.c @@ -0,0 +1,91 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Tobias Diedrich <ranma+coreboot@tdiedrich.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; 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. + * + * 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 + * + * IRQ Routing Table + * + * Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM + */ +#include <string.h> +#include <stdint.h> +#include <arch/pirq_routing.h> +#include <device/pci_ids.h> + +/* Free irqs are 3, 5, 10 and 11 */ +#define IRQBM ((1<<3)|(1<<5)|(1<<10)|(1<<11)) + +#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 + +const struct irq_routing_table intel_irq_routing_table = { + PIRQ_SIGNATURE, /* u32 signature */ + PIRQ_VERSION, /* u16 version */ + 32+16*CONFIG_IRQ_SLOT_COUNT, /* there can be total CONFIG_IRQ_SLOT_COUNT devices on the bus */ + 0, /* Where the interrupt router lies (bus) */ + (0x11<<3)|0, /* Where the interrupt router lies (dev) */ + 0, /* IRQs devoted exclusively to PCI usage */ + PCI_VENDOR_ID_VIA, /* Compatible Vendor (VIA) */ + PCI_DEVICE_ID_VIA_82C596, /* Compatible Device (82C596) */ + 0, /* Miniport data */ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ + 0x5f, /* u8 checksum, this has to be set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ + { + /* bus, dev | fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */ + /* peg bridge */ + {0x00, (0x02 << 3) | 0x0, {{LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}}, 0x0, 0x0}, + /* pcie bridge */ + {0x00, (0x03 << 3) | 0x0, {{LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}}, 0x0, 0x0}, + /* sata/ide */ + {0x00, (0x0f << 3) | 0x0, {{0x00, 0x0000}, {LNKB, IRQBM}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x0, 0x0}, + /* usb */ + {0x00, (0x10 << 3) | 0x0, {{LNKA, IRQBM}, {LNKB, IRQBM}, {LNKC, IRQBM}, {LNKD, IRQBM}}, 0x0, 0x0}, + /* agp bus? */ + {0x01, (0x00 << 3) | 0x0, {{LNKA, IRQBM}, {LNKB, IRQBM}, {LNKC, IRQBM}, {LNKD, IRQBM}}, 0x0, 0x0}, + /* pcie graphics */ + {0x02, (0x00 << 3) | 0x0, {{LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}}, 0x6, 0x0}, + /* onboard pcie atl1 ethernet */ + {0x03, (0x00 << 3) | 0x0, {{LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}}, 0x0, 0x0}, + /* pcie slot */ + {0x04, (0x00 << 3) | 0x0, {{LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}}, 0x5, 0x0}, + /* onboard marvell mv6121 sata */ + {0x05, (0x00 << 3) | 0x0, {{LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}, {LNKH, IRQBM}}, 0x0, 0x0}, + /* Azalia HDAC */ + {0x06, (0x01 << 3) | 0x0, {{LNKB, IRQBM}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x0, 0x0}, + /* PCI slots */ + {0x07, (0x06 << 3) | 0x0, {{LNKA, IRQBM}, {LNKB, IRQBM}, {LNKC, IRQBM}, {LNKD, IRQBM}}, 0x1, 0x0}, + {0x07, (0x07 << 3) | 0x0, {{LNKB, IRQBM}, {LNKC, IRQBM}, {LNKD, IRQBM}, {LNKA, IRQBM}}, 0x2, 0x0}, + {0x07, (0x08 << 3) | 0x0, {{LNKC, IRQBM}, {LNKD, IRQBM}, {LNKA, IRQBM}, {LNKB, IRQBM}}, 0x3, 0x0}, + {0x07, (0x09 << 3) | 0x0, {{LNKD, IRQBM}, {LNKA, IRQBM}, {LNKB, IRQBM}, {LNKC, IRQBM}}, 0x4, 0x0}, + } +}; + +unsigned long write_pirq_routing_table(unsigned long addr) +{ + return copy_pirq_routing_table(addr); +} |