diff options
Diffstat (limited to 'src/mainboard/iei/juki-511p/irq_tables.c')
| -rw-r--r-- | src/mainboard/iei/juki-511p/irq_tables.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/mainboard/iei/juki-511p/irq_tables.c b/src/mainboard/iei/juki-511p/irq_tables.c new file mode 100644 index 0000000000..1a1e373e02 --- /dev/null +++ b/src/mainboard/iei/juki-511p/irq_tables.c @@ -0,0 +1,103 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com> + * + * 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 + */ + +#include <arch/pirq_routing.h> + +#define IRQ_BITMAP_LINK0 0x0800 /* chipset's INTA# input should be routed to IRQ11 */ +#define IRQ_BITMAP_LINK1 0x0400 /* chipset's INTB# input should be routed to IRQ10 */ +#define IRQ_BITMAP_LINK2 0x0000 /* chipset's INTC# input should be routed to nothing (disabled) */ +#define IRQ_BITMAP_LINK3 0x0000 /* chipset's INTD# input should be routed to nothing (disabled) */ + +const struct irq_routing_table intel_irq_routing_table = { + PIRQ_SIGNATURE, /* u32 signature */ + PIRQ_VERSION, /* u16 version */ + 32+16*2, /* There can be a total of 2 devices on the bus */ + 0x00, /* Where the interrupt router lies (bus) */ + (0x12<<3)|0x0, /* Where the interrupt router lies (dev) */ + 0xc00, /* IRQs devoted exclusively to PCI usage */ + 0x1078, /* Vendor */ + 0x2, /* Device */ + 0, /* Crap (miniport) */ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ + 0x57, /* 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) */ + + .slots = { + [0] = { + .slot = 0x0, /* should be 0 when it is no real slot. My device is soldered */ + .bus = 0x00, + .devfn = (0x13<<3)|0x0, /* 0x13 is my USB OHCI */ + .irq = { + [0] = { /* <-- 0 means this is INTA# output from the device or slot */ + .link = 0x01, /* 0x01 means its connected to INTA# input at chipset */ + .bitmap = IRQ_BITMAP_LINK0 + }, + [1] = { /* <-- 1 means this is INTB# output from the device or slot */ + .link = 0x02, /* 0x02 means its connected to INTB# input at chipset */ + .bitmap = IRQ_BITMAP_LINK1 + }, + [2] = { /* <-- 2 means this is INTC# output from the device or slot */ + .link = 0x03, /* 0x03 means its connected to INTC# input at chipset */ + .bitmap = IRQ_BITMAP_LINK2 + }, + [3] = { /* <-- 3 means this is INTD# output from the device or slot */ + .link = 0x04, /* 0x04 means its connected to INTD# input at chipset */ + .bitmap = IRQ_BITMAP_LINK3 + } + } + }, + + [1] = { + .slot = 0x0, /* means also "on board" */ + .bus = 0x00, + .devfn = (0x0e<<3)|0x0, /* 0x0e is my Realtek Network device */ + .irq = { + [0] = { /* <-- 0 means this is INTA# output from the device or slot */ + .link = 0x02, /* 0x02 means its connected to INTB# input at chipset */ + .bitmap = IRQ_BITMAP_LINK1 + }, + [1] = { /* <-- 1 means this is INTB# output from the device or slot */ + .link = 0x03, /* 0x03 means its connected to INTC# input at chipset */ + .bitmap = IRQ_BITMAP_LINK2 + }, + [2] = { /* <-- 2 means this is INTC# output from the device or slot */ + .link = 0x04, /* 0x04 means its connected to INTD# input at chipset */ + .bitmap = IRQ_BITMAP_LINK3 + }, + [3] = { /* <-- 3 means this is INTD# output from the device or slot */ + .link = 0x01, /* 0x01 means its connected to INTA# input at chipset */ + .bitmap = IRQ_BITMAP_LINK0 + } + } + } + } +}; + +/** + * Copy the IRQ routing table to memory. + * + * @param addr Destination address (between 0xF0000...0x100000). + * @return The end address of the pirq routing table in memory. + */ +unsigned long write_pirq_routing_table(unsigned long addr) +{ + return copy_pirq_routing_table(addr); +} |