[mirror_ubuntu-bionic-kernel.git] / include / asm-x86 / visws / lithium.h

#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 */
Commit	Line	Data
77ef50a5 VN	1	#ifndef ASM_X86__VISWS__LITHIUM_H
77ef50a5 VN	2	#define ASM_X86__VISWS__LITHIUM_H
1da177e4 LT	3
	4	#include <asm/fixmap.h>
	5
	6	/*
	7	* Lithium is the SGI Visual Workstation I/O ASIC
	8	*/
	9
	10	#define LI_PCI_A_PHYS 0xfc000000 /* Enet is dev 3 */
	11	#define LI_PCI_B_PHYS 0xfd000000 /* PIIX4 is here */
	12
	13	/* see set_fixmap() and asm/fixmap.h */
	14	#define LI_PCIA_VADDR (fix_to_virt(FIX_LI_PCIA))
	15	#define LI_PCIB_VADDR (fix_to_virt(FIX_LI_PCIB))
	16
	17	/* Not a standard PCI? (not in linux/pci.h) */
	18	#define LI_PCI_BUSNUM 0x44 /* lo8: primary, hi8: sub */
	19	#define LI_PCI_INTEN 0x46
	20
	21	/* LI_PCI_INTENT bits */
	22	#define LI_INTA_0 0x0001
	23	#define LI_INTA_1 0x0002
	24	#define LI_INTA_2 0x0004
	25	#define LI_INTA_3 0x0008
	26	#define LI_INTA_4 0x0010
	27	#define LI_INTB 0x0020
	28	#define LI_INTC 0x0040
	29	#define LI_INTD 0x0080
	30
	31	/* More special purpose macros... */
95c1e9ae	32	static inline void li_pcia_write16(unsigned long reg, unsigned short v)
1da177e4 LT	33	{
	34	((volatile unsigned short )(LI_PCIA_VADDR+reg))=v;
	35	}
	36
95c1e9ae	37	static inline unsigned short li_pcia_read16(unsigned long reg)
1da177e4 LT	38	{
	39	return ((volatile unsigned short )(LI_PCIA_VADDR+reg));
	40	}
	41
95c1e9ae	42	static inline void li_pcib_write16(unsigned long reg, unsigned short v)
1da177e4 LT	43	{
	44	((volatile unsigned short )(LI_PCIB_VADDR+reg))=v;
	45	}
	46
95c1e9ae	47	static inline unsigned short li_pcib_read16(unsigned long reg)
1da177e4 LT	48	{
	49	return ((volatile unsigned short )(LI_PCIB_VADDR+reg));
	50	}
	51
77ef50a5	52	#endif /* ASM_X86__VISWS__LITHIUM_H */
1da177e4	53