lithium.h
1.32 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
#ifndef ASM_X86__VISWS__LITHIUM_H
#define ASM_X86__VISWS__LITHIUM_H
#include <asm/fixmap.h>
/*
* Lithium is the SGI Visual Workstation I/O ASIC
*/
#define LI_PCI_A_PHYS 0xfc000000 /* Enet is dev 3 */
#define LI_PCI_B_PHYS 0xfd000000 /* PIIX4 is here */
/* see set_fixmap() and asm/fixmap.h */
#define LI_PCIA_VADDR (fix_to_virt(FIX_LI_PCIA))
#define LI_PCIB_VADDR (fix_to_virt(FIX_LI_PCIB))
/* Not a standard PCI? (not in linux/pci.h) */
#define LI_PCI_BUSNUM 0x44 /* lo8: primary, hi8: sub */
#define LI_PCI_INTEN 0x46
/* LI_PCI_INTENT bits */
#define LI_INTA_0 0x0001
#define LI_INTA_1 0x0002
#define LI_INTA_2 0x0004
#define LI_INTA_3 0x0008
#define LI_INTA_4 0x0010
#define LI_INTB 0x0020
#define LI_INTC 0x0040
#define LI_INTD 0x0080
/* More special purpose macros... */
static inline void li_pcia_write16(unsigned long reg, unsigned short v)
{
*((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v;
}
static inline unsigned short li_pcia_read16(unsigned long reg)
{
return *((volatile unsigned short *)(LI_PCIA_VADDR+reg));
}
static inline void li_pcib_write16(unsigned long reg, unsigned short v)
{
*((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v;
}
static inline unsigned short li_pcib_read16(unsigned long reg)
{
return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
}
#endif /* ASM_X86__VISWS__LITHIUM_H */