diff options
Diffstat (limited to 'drivers/pci/hotplug/shpchprm_legacy.h')
-rw-r--r-- | drivers/pci/hotplug/shpchprm_legacy.h | 113 |
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 | |||
36 | struct 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 */ | ||
50 | enum 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 | |||
63 | struct 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 */ | ||
77 | enum 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 | |||
90 | struct 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 | |||
100 | struct 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_ */ | ||