diff options
Diffstat (limited to 'src/mainboard/televideo/tc7020/irq_tables.c')
| -rw-r--r-- | src/mainboard/televideo/tc7020/irq_tables.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/mainboard/televideo/tc7020/irq_tables.c b/src/mainboard/televideo/tc7020/irq_tables.c new file mode 100644 index 0000000000..d31fa17700 --- /dev/null +++ b/src/mainboard/televideo/tc7020/irq_tables.c @@ -0,0 +1,148 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com> + * Copyright (C) 2007 Kenji Noguchi <tokyo246@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> +#include <console/console.h> +#include <device/pci.h> + +/* Platform IRQs */ +#define PIRQA 11 +#define PIRQB 10 +#define PIRQC 9 +#define PIRQD 12 + +/* Link */ +#define LINK_PIRQA 1 +#define LINK_PIRQB 2 +#define LINK_PIRQC 3 +#define LINK_PIRQD 4 +#define LINK_NONE 0 + +/* Map */ +#define IRQ_BITMAP_LINKA (1 << PIRQA) +#define IRQ_BITMAP_LINKB (1 << PIRQB) +#define IRQ_BITMAP_LINKC (1 << PIRQC) +#define IRQ_BITMAP_LINKD (1 << PIRQD) +#define IRQ_BITMAP_NOLINK 0x0 + +#define EXCLUSIVE_PCI_IRQS (IRQ_BITMAP_LINKA | IRQ_BITMAP_LINKB | IRQ_BITMAP_LINKC | IRQ_BITMAP_LINKD) + +const struct irq_routing_table intel_irq_routing_table = { + PIRQ_SIGNATURE, /* u32 signature */ + PIRQ_VERSION, /* u16 version */ + 32+16*IRQ_SLOT_COUNT, /* There can be a total of IRQ_SLOT_COUNT devices on the bus */ + 0x00, /* Where the interrupt router lies (bus) */ + (0x12<<3)|0x0, /* Where the interrupt router lies (dev) */ + EXCLUSIVE_PCI_IRQS, /* IRQs devoted exclusively to PCI usage */ + 0x1078, /* Vendor */ + 0x1, /* Device */ + 0, /* Crap (miniport) */ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ + 0x60, /* 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, /* means also "on board" */ + .bus = 0x00, + .devfn = (0x13<<3)|0x0, /* 0x13 is USB OHCI */ + .irq = { + [0] = { /* <-- 0 means this is INTA# output from the device or slot */ + .link = LINK_PIRQA, + .bitmap = IRQ_BITMAP_LINKA + }, + [1] = { /* <-- 1 means this is INTB# output from the device or slot */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + }, + [2] = { /* <-- 2 means this is INTC# output from the device or slot */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + }, + [3] = { /* <-- 3 means this is INTD# output from the device or slot */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + } + } + }, + + [1] = { + .slot = 0x0, /* means also "on board" */ + .bus = 0x00, + .devfn = (0x15<<3)|0x0, /* 0x15 is NSC Network device */ + .irq = { + [0] = { /* <-- 0 means this is INTA# output from the device or slot */ + .link = LINK_PIRQB, + .bitmap = IRQ_BITMAP_LINKB + }, + [1] = { /* <-- 1 means this is INTB# output from the device or slot */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + }, + [2] = { /* <-- 2 means this is INTC# output from the device or slot */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + }, + [3] = { /* <-- 3 means this is INTD# output from the device or slot */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + } + } + }, + + [2] = { + .slot = 0x1, /* This is a Mini PCI slot */ + .bus = 0x00, + .devfn = (0x14<<3)|0x0, + .irq = { + [0] = { /* <-- 0 means this is INTA# output from the device or slot */ + .link = LINK_PIRQC, + .bitmap = IRQ_BITMAP_LINKC + }, + [1] = { /* <-- 1 means this is INTB# output from the device or slot */ + /* NEEDSWORK: not confirmed. No device to test which uses both INTA and INTB */ + .link = LINK_PIRQD, + .bitmap = IRQ_BITMAP_LINKD + }, + [2] = { /* No INTC# for Mini PCI */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + }, + [3] = { /* No INTD# for Mini PCI */ + .link = LINK_NONE, + .bitmap = IRQ_BITMAP_NOLINK + } + } + }, + } +}; + +/** + * 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); +} |