| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210 | /* * 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 */typedef struct {	volatile unsigned long csr __attribute__((aligned(64)));} io7_csr;typedef struct {	/* I/O Port Control Registers */	io7_csr	POx_CTRL;	       	/* 0x0000 */	io7_csr	POx_CACHE_CTL;	io7_csr POx_TIMER;	io7_csr POx_IO_ADR_EXT;	io7_csr	POx_MEM_ADR_EXT;	/* 0x0100 */	io7_csr POx_XCAL_CTRL;	io7_csr rsvd1[2];	/* ?? spec doesn't show 0x180 */	io7_csr POx_DM_SOURCE;		/* 0x0200 */	io7_csr POx_DM_DEST;	io7_csr POx_DM_SIZE;	io7_csr POx_DM_CTRL;	io7_csr rsvd2[4];		/* 0x0300 */	/* AGP Control Registers -- port 3 only */	io7_csr AGP_CAP_ID;		/* 0x0400 */	io7_csr AGP_STAT;	io7_csr	AGP_CMD;	io7_csr	rsvd3;	/* I/O Port Monitor Registers */	io7_csr	POx_MONCTL;		/* 0x0500 */	io7_csr POx_CTRA;	io7_csr POx_CTRB;	io7_csr POx_CTR56;	io7_csr POx_SCRATCH;		/* 0x0600 */	io7_csr POx_XTRA_A;	io7_csr POx_XTRA_TS;	io7_csr POx_XTRA_Z;	io7_csr rsvd4;			/* 0x0700 */	io7_csr POx_THRESHA;	io7_csr POx_THRESHB;	io7_csr rsvd5[33];	/* System Address Space Window Control Registers */	io7_csr POx_WBASE[4];		/* 0x1000 */	io7_csr POx_WMASK[4];	io7_csr POx_TBASE[4];	io7_csr POx_SG_TBIA;	io7_csr POx_MSI_WBASE;	io7_csr rsvd6[50];	/* I/O Port Error Registers */	io7_csr POx_ERR_SUM;	io7_csr POx_FIRST_ERR;	io7_csr POx_MSK_HEI;	io7_csr POx_TLB_ERR;	io7_csr POx_SPL_COMPLT;	io7_csr POx_TRANS_SUM;	io7_csr POx_FRC_PCI_ERR;	io7_csr POx_MULT_ERR;	io7_csr rsvd7[8];	/* I/O Port End of Interrupt Registers */	io7_csr EOI_DAT;	io7_csr rsvd8[7];	io7_csr POx_IACK_SPECIAL;	io7_csr rsvd9[103];} io7_ioport_csrs;typedef struct {	io7_csr IO_ASIC_REV;		/* 0x30.0000 */	io7_csr IO_SYS_REV;	io7_csr SER_CHAIN3;	io7_csr PO7_RST1;	io7_csr PO7_RST2;		/* 0x30.0100 */	io7_csr POx_RST[4];	io7_csr IO7_DWNH;	io7_csr IO7_MAF;	io7_csr IO7_MAF_TO;	io7_csr IO7_ACC_CLUMP;		/* 0x30.0300 */	io7_csr IO7_PMASK;	io7_csr IO7_IOMASK;	io7_csr IO7_UPH;	io7_csr IO7_UPH_TO;		/* 0x30.0400 */	io7_csr RBX_IREQ_OFF;	io7_csr RBX_INTA_OFF;	io7_csr INT_RTY;	io7_csr PO7_MONCTL;		/* 0x30.0500 */	io7_csr PO7_CTRA;	io7_csr PO7_CTRB;	io7_csr PO7_CTR56;	io7_csr PO7_SCRATCH;		/* 0x30.0600 */	io7_csr PO7_XTRA_A;	io7_csr PO7_XTRA_TS;	io7_csr PO7_XTRA_Z;	io7_csr PO7_PMASK;		/* 0x30.0700 */	io7_csr PO7_THRESHA;	io7_csr PO7_THRESHB;	io7_csr rsvd1[97];	io7_csr PO7_ERROR_SUM;		/* 0x30.2000 */	io7_csr PO7_BHOLE_MASK;	io7_csr PO7_HEI_MSK;	io7_csr PO7_CRD_MSK;	io7_csr PO7_UNCRR_SYM;		/* 0x30.2100 */	io7_csr PO7_CRRCT_SYM;	io7_csr PO7_ERR_PKT[2];	io7_csr PO7_UGBGE_SYM;		/* 0x30.2200 */	io7_csr rsbv2[887];	io7_csr PO7_LSI_CTL[128];	/* 0x31.0000 */	io7_csr rsvd3[123];	io7_csr HLT_CTL;		/* 0x31.3ec0 */	io7_csr HPI_CTL;		/* 0x31.3f00 */	io7_csr CRD_CTL;	io7_csr STV_CTL;	io7_csr HEI_CTL;	io7_csr PO7_MSI_CTL[16];	/* 0x31.4000 */	io7_csr rsvd4[240];	/*	 * Interrupt Diagnostic / Test	 */	struct {		io7_csr INT_PND;		io7_csr INT_CLR;		io7_csr INT_EOI;		io7_csr rsvd[29];	} INT_DIAG[4];	io7_csr rsvd5[125];	    	/* 0x31.a000 */	io7_csr MISC_PND;		/* 0x31.b800 */	io7_csr rsvd6[31];	io7_csr MSI_PND[16];		/* 0x31.c000 */	io7_csr rsvd7[16];	io7_csr MSI_CLR[16];		/* 0x31.c800 */} io7_port7_csrs;/*  * IO7 DMA Window Base register (POx_WBASEx) */#define wbase_m_ena  0x1#define wbase_m_sg   0x2#define wbase_m_dac  0x4#define wbase_m_addr 0xFFF00000union IO7_POx_WBASE {	struct {		unsigned ena : 1;	/* <0>			*/
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