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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 424 | giacomo | 1 | #ifndef __I386_SGI_LITHIUM_H |
| 2 | #define __I386_SGI_LITHIUM_H |
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| 3 | |||
| 4 | #include <asm/fixmap.h> |
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| 5 | |||
| 6 | /* |
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| 7 | * Lithium is the SGI Visual Workstation I/O ASIC |
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| 8 | */ |
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| 9 | |||
| 10 | #define LI_PCI_A_PHYS 0xfc000000 /* Enet is dev 3 */ |
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| 11 | #define LI_PCI_B_PHYS 0xfd000000 /* PIIX4 is here */ |
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| 12 | |||
| 13 | /* see set_fixmap() and asm/fixmap.h */ |
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| 14 | #define LI_PCIA_VADDR (fix_to_virt(FIX_LI_PCIA)) |
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| 15 | #define LI_PCIB_VADDR (fix_to_virt(FIX_LI_PCIB)) |
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| 16 | |||
| 17 | /* Not a standard PCI? (not in linux/pci.h) */ |
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| 18 | #define LI_PCI_BUSNUM 0x44 /* lo8: primary, hi8: sub */ |
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| 19 | #define LI_PCI_INTEN 0x46 |
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| 20 | |||
| 21 | /* LI_PCI_INTENT bits */ |
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| 22 | #define LI_INTA_0 0x0001 |
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| 23 | #define LI_INTA_1 0x0002 |
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| 24 | #define LI_INTA_2 0x0004 |
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| 25 | #define LI_INTA_3 0x0008 |
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| 26 | #define LI_INTA_4 0x0010 |
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| 27 | #define LI_INTB 0x0020 |
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| 28 | #define LI_INTC 0x0040 |
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| 29 | #define LI_INTD 0x0080 |
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| 30 | |||
| 31 | /* More special purpose macros... */ |
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| 32 | extern __inline void li_pcia_write16(unsigned long reg, unsigned short v) |
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| 33 | { |
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| 34 | *((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v; |
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| 35 | } |
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| 36 | |||
| 37 | extern __inline unsigned short li_pcia_read16(unsigned long reg) |
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| 38 | { |
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| 39 | return *((volatile unsigned short *)(LI_PCIA_VADDR+reg)); |
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| 40 | } |
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| 41 | |||
| 42 | extern __inline void li_pcib_write16(unsigned long reg, unsigned short v) |
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| 43 | { |
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| 44 | *((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v; |
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| 45 | } |
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| 46 | |||
| 47 | extern __inline unsigned short li_pcib_read16(unsigned long reg) |
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| 48 | { |
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| 49 | return *((volatile unsigned short *)(LI_PCIB_VADDR+reg)); |
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| 50 | } |
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| 51 | |||
| 52 | #endif |
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| 53 |