lithium.h

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#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 */