lithium.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- #ifndef __I386_LITHIUM_H
- #define __I386_LITHIUM_H
- #include <linux/config.h>
- /*
- * Lithium is the I/O ASIC on the SGI 320 and 540 Visual Workstations
- */
- #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
- #ifdef CONFIG_X86_VISWS_APIC
- /* 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
- #endif