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Diffstat (limited to 'arch/powerpc/platforms/iseries/pci.h')
-rw-r--r-- | arch/powerpc/platforms/iseries/pci.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/pci.h b/arch/powerpc/platforms/iseries/pci.h new file mode 100644 index 00000000000..d9cf974c271 --- /dev/null +++ b/arch/powerpc/platforms/iseries/pci.h | |||
@@ -0,0 +1,58 @@ | |||
1 | #ifndef _PLATFORMS_ISERIES_PCI_H | ||
2 | #define _PLATFORMS_ISERIES_PCI_H | ||
3 | |||
4 | /* | ||
5 | * Created by Allan Trautman on Tue Feb 20, 2001. | ||
6 | * | ||
7 | * Define some useful macros for the iSeries pci routines. | ||
8 | * Copyright (C) 2001 Allan H Trautman, IBM Corporation | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with this program; if not, write to the: | ||
22 | * Free Software Foundation, Inc., | ||
23 | * 59 Temple Place, Suite 330, | ||
24 | * Boston, MA 02111-1307 USA | ||
25 | * | ||
26 | * Change Activity: | ||
27 | * Created Feb 20, 2001 | ||
28 | * Added device reset, March 22, 2001 | ||
29 | * Ported to ppc64, May 25, 2001 | ||
30 | * End Change Activity | ||
31 | */ | ||
32 | |||
33 | /* | ||
34 | * Decodes Linux DevFn to iSeries DevFn, bridge device, or function. | ||
35 | * For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h | ||
36 | */ | ||
37 | |||
38 | #define ISERIES_PCI_AGENTID(idsel, func) \ | ||
39 | (((idsel & 0x0F) << 4) | (func & 0x07)) | ||
40 | #define ISERIES_ENCODE_DEVICE(agentid) \ | ||
41 | ((0x10) | ((agentid & 0x20) >> 2) | (agentid & 0x07)) | ||
42 | |||
43 | #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7) | ||
44 | #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7) | ||
45 | |||
46 | struct pci_dev; | ||
47 | |||
48 | #ifdef CONFIG_PCI | ||
49 | extern void iSeries_pcibios_init(void); | ||
50 | extern void iSeries_pci_final_fixup(void); | ||
51 | extern void iSeries_pcibios_fixup_resources(struct pci_dev *dev); | ||
52 | #else | ||
53 | static inline void iSeries_pcibios_init(void) { } | ||
54 | static inline void iSeries_pci_final_fixup(void) { } | ||
55 | static inline void iSeries_pcibios_fixup_resources(struct pci_dev *dev) {} | ||
56 | #endif | ||
57 | |||
58 | #endif /* _PLATFORMS_ISERIES_PCI_H */ | ||