home *** CD-ROM | disk | FTP | other *** search
- #ifndef __I386_SGI_LITHIUM_H
- #define __I386_SGI_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... */
- extern __inline void li_pcia_write16(unsigned long reg, unsigned short v)
- {
- *((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v;
- }
-
- extern __inline unsigned short li_pcia_read16(unsigned long reg)
- {
- return *((volatile unsigned short *)(LI_PCIA_VADDR+reg));
- }
-
- extern __inline void li_pcib_write16(unsigned long reg, unsigned short v)
- {
- *((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v;
- }
-
- extern __inline unsigned short li_pcib_read16(unsigned long reg)
- {
- return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
- }
-
- #endif
-
-