blob: 29ccea5e57e567d41d28ea8ec2f5ee6a82d80621 [file] [log] [blame]
* SHPCHPRM Legacy: PHP Resource Manager for Non-ACPI/Legacy platform using HRT
* Copyright (C) 1995,2001 Compaq Computer Corporation
* Copyright (C) 2001 Greg Kroah-Hartman (
* Copyright (C) 2001 IBM Corp.
* Copyright (C) 2003-2004 Intel Corporation
* All rights reserved.
* 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
* NON INFRINGEMENT. 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., 675 Mass Ave, Cambridge, MA 02139, USA.
* Send feedback to <>, <>
#define ROM_PHY_ADDR 0x0F0000
#define ROM_PHY_LEN 0x00FFFF
struct slot_rt {
u8 dev_func;
u8 primary_bus;
u8 secondary_bus;
u8 max_bus;
u16 io_base;
u16 io_length;
u16 mem_base;
u16 mem_length;
u16 pre_mem_base;
u16 pre_mem_length;
} __attribute__ ((packed));
/* offsets to the hotplug slot resource table registers based on the above structure layout */
enum slot_rt_offsets {
DEV_FUNC = offsetof(struct slot_rt, dev_func),
PRIMARY_BUS = offsetof(struct slot_rt, primary_bus),
SECONDARY_BUS = offsetof(struct slot_rt, secondary_bus),
MAX_BUS = offsetof(struct slot_rt, max_bus),
IO_BASE = offsetof(struct slot_rt, io_base),
IO_LENGTH = offsetof(struct slot_rt, io_length),
MEM_BASE = offsetof(struct slot_rt, mem_base),
MEM_LENGTH = offsetof(struct slot_rt, mem_length),
PRE_MEM_BASE = offsetof(struct slot_rt, pre_mem_base),
PRE_MEM_LENGTH = offsetof(struct slot_rt, pre_mem_length),
struct hrt {
char sig0;
char sig1;
char sig2;
char sig3;
u16 unused_IRQ;
u8 number_of_entries;
u8 revision;
u16 reserved1;
u32 reserved2;
} __attribute__ ((packed));
/* offsets to the hotplug resource table registers based on the above structure layout */
enum hrt_offsets {
SIG0 = offsetof(struct hrt, sig0),
SIG1 = offsetof(struct hrt, sig1),
SIG2 = offsetof(struct hrt, sig2),
SIG3 = offsetof(struct hrt, sig3),
UNUSED_IRQ = offsetof(struct hrt, unused_IRQ),
PCIIRQ = offsetof(struct hrt, PCIIRQ),
NUMBER_OF_ENTRIES = offsetof(struct hrt, number_of_entries),
REVISION = offsetof(struct hrt, revision),
HRT_RESERVED1 = offsetof(struct hrt, reserved1),
HRT_RESERVED2 = offsetof(struct hrt, reserved2),
struct irq_info {
u8 bus, devfn; /* bus, device and function */
struct {
u8 link; /* IRQ line ID, chipset dependent, 0=not routed */
u16 bitmap; /* Available IRQs */
} __attribute__ ((packed)) irq[4];
u8 slot; /* slot number, 0=onboard */
u8 rfu;
} __attribute__ ((packed));
struct irq_routing_table {
u32 signature; /* PIRQ_SIGNATURE should be here */
u16 version; /* PIRQ_VERSION */
u16 size; /* Table size in bytes */
u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */
u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */
u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */
u32 miniport_data; /* Crap */
u8 rfu[11];
u8 checksum; /* Modulo 256 checksum must give zero */
struct irq_info slots[0];
} __attribute__ ((packed));
#endif /* _SHPCHPRM_LEGACY_H_ */