114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
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/*
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* SHPCHPRM Legacy: PHP Resource Manager for Non-ACPI/Legacy platform using HRT
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*
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* Copyright (C) 1995,2001 Compaq Computer Corporation
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* Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
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* Copyright (C) 2001 IBM Corp.
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* Copyright (C) 2003-2004 Intel Corporation
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Send feedback to <greg@kroah.com>, <dely.l.sy@intel.com>
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*
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*/
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#ifndef _SHPCHPRM_LEGACY_H_
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#define _SHPCHPRM_LEGACY_H_
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#define ROM_PHY_ADDR 0x0F0000
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#define ROM_PHY_LEN 0x00FFFF
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struct slot_rt {
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u8 dev_func;
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u8 primary_bus;
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u8 secondary_bus;
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u8 max_bus;
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u16 io_base;
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u16 io_length;
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u16 mem_base;
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u16 mem_length;
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u16 pre_mem_base;
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u16 pre_mem_length;
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} __attribute__ ((packed));
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/* offsets to the hotplug slot resource table registers based on the above structure layout */
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enum slot_rt_offsets {
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DEV_FUNC = offsetof(struct slot_rt, dev_func),
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PRIMARY_BUS = offsetof(struct slot_rt, primary_bus),
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SECONDARY_BUS = offsetof(struct slot_rt, secondary_bus),
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MAX_BUS = offsetof(struct slot_rt, max_bus),
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IO_BASE = offsetof(struct slot_rt, io_base),
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IO_LENGTH = offsetof(struct slot_rt, io_length),
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MEM_BASE = offsetof(struct slot_rt, mem_base),
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MEM_LENGTH = offsetof(struct slot_rt, mem_length),
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PRE_MEM_BASE = offsetof(struct slot_rt, pre_mem_base),
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PRE_MEM_LENGTH = offsetof(struct slot_rt, pre_mem_length),
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};
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struct hrt {
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char sig0;
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char sig1;
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char sig2;
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char sig3;
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u16 unused_IRQ;
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u16 PCIIRQ;
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u8 number_of_entries;
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u8 revision;
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u16 reserved1;
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u32 reserved2;
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} __attribute__ ((packed));
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/* offsets to the hotplug resource table registers based on the above structure layout */
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enum hrt_offsets {
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SIG0 = offsetof(struct hrt, sig0),
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SIG1 = offsetof(struct hrt, sig1),
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SIG2 = offsetof(struct hrt, sig2),
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SIG3 = offsetof(struct hrt, sig3),
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UNUSED_IRQ = offsetof(struct hrt, unused_IRQ),
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PCIIRQ = offsetof(struct hrt, PCIIRQ),
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NUMBER_OF_ENTRIES = offsetof(struct hrt, number_of_entries),
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REVISION = offsetof(struct hrt, revision),
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HRT_RESERVED1 = offsetof(struct hrt, reserved1),
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HRT_RESERVED2 = offsetof(struct hrt, reserved2),
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};
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struct irq_info {
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u8 bus, devfn; /* bus, device and function */
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struct {
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u8 link; /* IRQ line ID, chipset dependent, 0=not routed */
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u16 bitmap; /* Available IRQs */
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} __attribute__ ((packed)) irq[4];
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u8 slot; /* slot number, 0=onboard */
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u8 rfu;
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} __attribute__ ((packed));
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struct irq_routing_table {
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u32 signature; /* PIRQ_SIGNATURE should be here */
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u16 version; /* PIRQ_VERSION */
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u16 size; /* Table size in bytes */
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u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */
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u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */
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u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */
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u32 miniport_data; /* Crap */
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u8 rfu[11];
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u8 checksum; /* Modulo 256 checksum must give zero */
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struct irq_info slots[0];
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} __attribute__ ((packed));
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#endif /* _SHPCHPRM_LEGACY_H_ */
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