1 #ifndef __I386_SGI_LITHIUM_H
2 #define __I386_SGI_LITHIUM_H
4 #include <asm/fixmap.h>
7 * Lithium is the SGI Visual Workstation I/O ASIC
10 #define LI_PCI_A_PHYS 0xfc000000 /* Enet is dev 3 */
11 #define LI_PCI_B_PHYS 0xfd000000 /* PIIX4 is here */
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))
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
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
31 /* More special purpose macros... */
32 static inline void li_pcia_write16(unsigned long reg, unsigned short v)
34 *((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v;
37 static inline unsigned short li_pcia_read16(unsigned long reg)
39 return *((volatile unsigned short *)(LI_PCIA_VADDR+reg));
42 static inline void li_pcib_write16(unsigned long reg, unsigned short v)
44 *((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v;
47 static inline unsigned short li_pcib_read16(unsigned long reg)
49 return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));