aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci/hotplug/shpchprm_legacy.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/hotplug/shpchprm_legacy.h')
-rw-r--r--drivers/pci/hotplug/shpchprm_legacy.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/shpchprm_legacy.h b/drivers/pci/hotplug/shpchprm_legacy.h
new file mode 100644
index 000000000000..29ccea5e57e5
--- /dev/null
+++ b/drivers/pci/hotplug/shpchprm_legacy.h
@@ -0,0 +1,113 @@
1/*
2 * SHPCHPRM Legacy: PHP Resource Manager for Non-ACPI/Legacy platform using HRT
3 *
4 * Copyright (C) 1995,2001 Compaq Computer Corporation
5 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
6 * Copyright (C) 2001 IBM Corp.
7 * Copyright (C) 2003-2004 Intel Corporation
8 *
9 * All rights reserved.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or (at
14 * your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
19 * NON INFRINGEMENT. See the GNU General Public License for more
20 * details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 *
26 * Send feedback to <greg@kroah.com>, <dely.l.sy@intel.com>
27 *
28 */
29
30#ifndef _SHPCHPRM_LEGACY_H_
31#define _SHPCHPRM_LEGACY_H_
32
33#define ROM_PHY_ADDR 0x0F0000
34#define ROM_PHY_LEN 0x00FFFF
35
36struct slot_rt {
37 u8 dev_func;
38 u8 primary_bus;
39 u8 secondary_bus;
40 u8 max_bus;
41 u16 io_base;
42 u16 io_length;
43 u16 mem_base;
44 u16 mem_length;
45 u16 pre_mem_base;
46 u16 pre_mem_length;
47} __attribute__ ((packed));
48
49/* offsets to the hotplug slot resource table registers based on the above structure layout */
50enum slot_rt_offsets {
51 DEV_FUNC = offsetof(struct slot_rt, dev_func),
52 PRIMARY_BUS = offsetof(struct slot_rt, primary_bus),
53 SECONDARY_BUS = offsetof(struct slot_rt, secondary_bus),
54 MAX_BUS = offsetof(struct slot_rt, max_bus),
55 IO_BASE = offsetof(struct slot_rt, io_base),
56 IO_LENGTH = offsetof(struct slot_rt, io_length),
57 MEM_BASE = offsetof(struct slot_rt, mem_base),
58 MEM_LENGTH = offsetof(struct slot_rt, mem_length),
59 PRE_MEM_BASE = offsetof(struct slot_rt, pre_mem_base),
60 PRE_MEM_LENGTH = offsetof(struct slot_rt, pre_mem_length),
61};
62
63struct hrt {
64 char sig0;
65 char sig1;
66 char sig2;
67 char sig3;
68 u16 unused_IRQ;
69 u16 PCIIRQ;
70 u8 number_of_entries;
71 u8 revision;
72 u16 reserved1;
73 u32 reserved2;
74} __attribute__ ((packed));
75
76/* offsets to the hotplug resource table registers based on the above structure layout */
77enum hrt_offsets {
78 SIG0 = offsetof(struct hrt, sig0),
79 SIG1 = offsetof(struct hrt, sig1),
80 SIG2 = offsetof(struct hrt, sig2),
81 SIG3 = offsetof(struct hrt, sig3),
82 UNUSED_IRQ = offsetof(struct hrt, unused_IRQ),
83 PCIIRQ = offsetof(struct hrt, PCIIRQ),
84 NUMBER_OF_ENTRIES = offsetof(struct hrt, number_of_entries),
85 REVISION = offsetof(struct hrt, revision),
86 HRT_RESERVED1 = offsetof(struct hrt, reserved1),
87 HRT_RESERVED2 = offsetof(struct hrt, reserved2),
88};
89
90struct irq_info {
91 u8 bus, devfn; /* bus, device and function */
92 struct {
93 u8 link; /* IRQ line ID, chipset dependent, 0=not routed */
94 u16 bitmap; /* Available IRQs */
95 } __attribute__ ((packed)) irq[4];
96 u8 slot; /* slot number, 0=onboard */
97 u8 rfu;
98} __attribute__ ((packed));
99
100struct irq_routing_table {
101 u32 signature; /* PIRQ_SIGNATURE should be here */
102 u16 version; /* PIRQ_VERSION */
103 u16 size; /* Table size in bytes */
104 u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */
105 u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */
106 u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */
107 u32 miniport_data; /* Crap */
108 u8 rfu[11];
109 u8 checksum; /* Modulo 256 checksum must give zero */
110 struct irq_info slots[0];
111} __attribute__ ((packed));
112
113#endif /* _SHPCHPRM_LEGACY_H_ */