| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768 | /* * Marvel systems use the IO7 I/O chip provides PCI/PCIX/AGP access * * This file is based on: * * Marvel / EV7 System Programmer's Manual * Revision 1.00 * 14 May 2001 */#ifndef __ALPHA_MARVEL__H__#define __ALPHA_MARVEL__H__#include <linux/types.h>#include <linux/spinlock.h>#include <asm/compiler.h>#define MARVEL_MAX_PIDS		 32 /* as long as we rely on 43-bit superpage */#define MARVEL_IRQ_VEC_PE_SHIFT	(10)#define MARVEL_IRQ_VEC_IRQ_MASK	((1 << MARVEL_IRQ_VEC_PE_SHIFT) - 1)#define MARVEL_NR_IRQS		\	(16 + (MARVEL_MAX_PIDS * (1 << MARVEL_IRQ_VEC_PE_SHIFT)))/* * EV7 RBOX Registers */typedef struct {	volatile unsigned long csr __attribute__((aligned(16)));} ev7_csr;typedef struct {	ev7_csr	RBOX_CFG;		/* 0x0000 */	ev7_csr	RBOX_NSVC;	ev7_csr	RBOX_EWVC;	ev7_csr	RBOX_WHAMI;	ev7_csr	RBOX_TCTL;		/* 0x0040 */	ev7_csr	RBOX_INT;	ev7_csr	RBOX_IMASK;	ev7_csr	RBOX_IREQ;	ev7_csr	RBOX_INTQ;		/* 0x0080 */	ev7_csr	RBOX_INTA;	ev7_csr	RBOX_IT;	ev7_csr	RBOX_SCRATCH1;	ev7_csr	RBOX_SCRATCH2;		/* 0x00c0 */	ev7_csr	RBOX_L_ERR;} ev7_csrs;/* * EV7 CSR addressing macros */#define EV7_MASK40(addr)        ((addr) & ((1UL << 41) - 1))#define EV7_KERN_ADDR(addr)	((void *)(IDENT_ADDR | EV7_MASK40(addr)))#define EV7_PE_MASK		0x1ffUL /* 9 bits ( 256 + mem/io ) */#define EV7_IPE(pe)		((~((long)(pe)) & EV7_PE_MASK) << 35)#define EV7_CSR_PHYS(pe, off)	(EV7_IPE(pe) | (0x7FFCUL << 20) | (off))#define EV7_CSRS_PHYS(pe)	(EV7_CSR_PHYS(pe, 0UL))#define EV7_CSR_KERN(pe, off)	(EV7_KERN_ADDR(EV7_CSR_PHYS(pe, off)))#define EV7_CSRS_KERN(pe)	(EV7_KERN_ADDR(EV7_CSRS_PHYS(pe)))#define EV7_CSR_OFFSET(name)	((unsigned long)&((ev7_csrs *)NULL)->name.csr)/* * IO7 registers */
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