| #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 |
| |