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H. Peter Anvin05e4d312008-10-23 00:01:39 -07001#ifndef _ASM_X86_VISWS_LITHIUM_H
2#define _ASM_X86_VISWS_LITHIUM_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07003
4#include <asm/fixmap.h>
5
6/*
7 * Lithium is the SGI Visual Workstation I/O ASIC
8 */
9
10#define LI_PCI_A_PHYS 0xfc000000 /* Enet is dev 3 */
11#define LI_PCI_B_PHYS 0xfd000000 /* PIIX4 is here */
12
13/* see set_fixmap() and asm/fixmap.h */
14#define LI_PCIA_VADDR (fix_to_virt(FIX_LI_PCIA))
15#define LI_PCIB_VADDR (fix_to_virt(FIX_LI_PCIB))
16
17/* Not a standard PCI? (not in linux/pci.h) */
18#define LI_PCI_BUSNUM 0x44 /* lo8: primary, hi8: sub */
19#define LI_PCI_INTEN 0x46
20
21/* LI_PCI_INTENT bits */
22#define LI_INTA_0 0x0001
23#define LI_INTA_1 0x0002
24#define LI_INTA_2 0x0004
25#define LI_INTA_3 0x0008
26#define LI_INTA_4 0x0010
27#define LI_INTB 0x0020
28#define LI_INTC 0x0040
29#define LI_INTD 0x0080
30
31/* More special purpose macros... */
Adrian Bunk95c1e9a2007-10-17 18:04:39 +020032static inline void li_pcia_write16(unsigned long reg, unsigned short v)
Linus Torvalds1da177e2005-04-16 15:20:36 -070033{
34 *((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v;
35}
36
Adrian Bunk95c1e9a2007-10-17 18:04:39 +020037static inline unsigned short li_pcia_read16(unsigned long reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038{
39 return *((volatile unsigned short *)(LI_PCIA_VADDR+reg));
40}
41
Adrian Bunk95c1e9a2007-10-17 18:04:39 +020042static inline void li_pcib_write16(unsigned long reg, unsigned short v)
Linus Torvalds1da177e2005-04-16 15:20:36 -070043{
44 *((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v;
45}
46
Adrian Bunk95c1e9a2007-10-17 18:04:39 +020047static inline unsigned short li_pcib_read16(unsigned long reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048{
49 return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
50}
51
H. Peter Anvin05e4d312008-10-23 00:01:39 -070052#endif /* _ASM_X86_VISWS_LITHIUM_H */
Linus Torvalds1da177e2005-04-16 15:20:36 -070053