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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-18 05:05:42 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 09:55:20 +0400 |
| commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
| tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/visws/lithium.h | |
| parent | 8ede0bdb63305d3353efd97e9af6210afb05734e (diff) | |
| download | linux-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz | |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/visws/lithium.h')
| -rw-r--r-- | arch/x86/include/asm/visws/lithium.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/x86/include/asm/visws/lithium.h b/arch/x86/include/asm/visws/lithium.h new file mode 100644 index 000000000000..b36d3b378c63 --- /dev/null +++ b/arch/x86/include/asm/visws/lithium.h @@ -0,0 +1,53 @@ +#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 */ + |