include/sym53c8xx.h - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2001
  * Denis Peter, MPL AG Switzerland
  *
  * SPDX-License-Identifier:	GPL-2.0+
  *
  * Most of these definitions are derived from
  * linux/drivers/scsi/sym53c8xx_defs.h
  */

 #ifndef _SYM53C8XX_DEFS_H
 #define _SYM53C8XX_DEFS_H


 #define SCNTL0		0x00    /* full arb., ena parity, par->ATN  */

 #define SCNTL1		0x01    /* no reset                         */
   #define   ISCON   0x10  /* connected to scsi						*/
   #define   CRST    0x08  /* force reset                      */
   #define   IARB    0x02  /* immediate arbitration            */

 #define SCNTL2		0x02    /* no disconnect expected           */
 	#define   SDU     0x80  /* cmd: disconnect will raise error */
 	#define   CHM     0x40  /* sta: chained mode                */
 	#define   WSS     0x08  /* sta: wide scsi send           [W]*/
 	#define   WSR     0x01  /* sta: wide scsi received       [W]*/

 #define SCNTL3		0x03    /* cnf system clock dependent       */
 	#define   EWS     0x08  /* cmd: enable wide scsi         [W]*/
 	#define   ULTRA   0x80  /* cmd: ULTRA enable                */
 				/* bits 0-2, 7 rsvd for C1010       */

 #define SCID			0x04		/* cnf host adapter scsi address    */
 	#define   RRE     0x40  /* r/w:e enable response to resel.  */
 	#define   SRE     0x20  /* r/w:e enable response to select  */

 #define SXFER			0x05		/* ### Sync speed and count         */
 				/* bits 6-7 rsvd for C1010          */

 #define SDID			0x06	/* ### Destination-ID               */

 #define GPREG			0x07	/* ??? IO-Pins                      */

 #define SFBR			0x08	/* ### First byte in phase          */

 #define SOCL			0x09
 	#define   CREQ	  0x80	/* r/w: SCSI-REQ                    */
 	#define   CACK	  0x40	/* r/w: SCSI-ACK                    */
 	#define   CBSY	  0x20	/* r/w: SCSI-BSY                    */
 	#define   CSEL	  0x10	/* r/w: SCSI-SEL                    */
 	#define   CATN	  0x08	/* r/w: SCSI-ATN                    */
 	#define   CMSG	  0x04	/* r/w: SCSI-MSG                    */
 	#define   CC_D	  0x02	/* r/w: SCSI-C_D                    */
 	#define   CI_O	  0x01	/* r/w: SCSI-I_O                    */

 #define SSID			0x0a

 #define SBCL			0x0b

 #define DSTAT			0x0c
   #define   DFE     0x80  /* sta: dma fifo empty              */
   #define   MDPE    0x40  /* int: master data parity error    */
   #define   BF      0x20  /* int: script: bus fault           */
   #define   ABRT    0x10  /* int: script: command aborted     */
   #define   SSI     0x08  /* int: script: single step         */
   #define   SIR     0x04  /* int: script: interrupt instruct. */
   #define   IID     0x01  /* int: script: illegal instruct.   */

 #define SSTAT0		0x0d
   #define   ILF     0x80  /* sta: data in SIDL register lsb   */
   #define   ORF     0x40  /* sta: data in SODR register lsb   */
   #define   OLF     0x20  /* sta: data in SODL register lsb   */
   #define   AIP     0x10  /* sta: arbitration in progress     */
   #define   LOA     0x08  /* sta: arbitration lost            */
   #define   WOA     0x04  /* sta: arbitration won             */
   #define   IRST    0x02  /* sta: scsi reset signal           */
   #define   SDP     0x01  /* sta: scsi parity signal          */

 #define SSTAT1		0x0e
 	#define   FF3210  0xf0	/* sta: bytes in the scsi fifo      */

 #define SSTAT2		0x0f
   #define   ILF1    0x80  /* sta: data in SIDL register msb[W]*/
   #define   ORF1    0x40  /* sta: data in SODR register msb[W]*/
   #define   OLF1    0x20  /* sta: data in SODL register msb[W]*/
   #define   DM      0x04  /* sta: DIFFSENS mismatch (895/6 only) */
   #define   LDSC    0x02  /* sta: disconnect & reconnect      */

 #define DSA				0x10		/* --> Base page                    */
 #define DSA1			0x11
 #define DSA2			0x12
 #define DSA3			0x13

 #define ISTAT			0x14	/* --> Main Command and status      */
   #define   CABRT   0x80  /* cmd: abort current operation     */
   #define   SRST    0x40  /* mod: reset chip                  */
   #define   SIGP    0x20  /* r/w: message from host to ncr    */
   #define   SEM     0x10  /* r/w: message between host + ncr  */
   #define   CON     0x08  /* sta: connected to scsi           */
   #define   INTF    0x04  /* sta: int on the fly (reset by wr)*/
   #define   SIP     0x02  /* sta: scsi-interrupt              */
   #define   DIP     0x01  /* sta: host/script interrupt       */


 #define CTEST0		0x18
 #define CTEST1		0x19
 #define CTEST2		0x1a
 	#define   CSIGP   0x40
 				/* bits 0-2,7 rsvd for C1010        */

 #define CTEST3		0x1b
 	#define   FLF     0x08  /* cmd: flush dma fifo              */
 	#define   CLF		0x04	/* cmd: clear dma fifo		    */
 	#define   FM      0x02  /* mod: fetch pin mode              */
 	#define   WRIE    0x01  /* mod: write and invalidate enable */
 				/* bits 4-7 rsvd for C1010          */

 #define DFIFO			0x20
 #define CTEST4		0x21
 	#define   BDIS    0x80  /* mod: burst disable               */
 	#define   MPEE    0x08  /* mod: master parity error enable  */

 #define CTEST5		0x22
 	#define   DFS     0x20  /* mod: dma fifo size               */
 				/* bits 0-1, 3-7 rsvd for C1010          */
 #define CTEST6		0x23

 #define DBC				0x24	/* ### Byte count and command       */
 #define DNAD			0x28	/* ### Next command register        */
 #define DSP				0x2c	/* --> Script Pointer               */
 #define DSPS			0x30	/* --> Script pointer save/opcode#2 */

 #define SCRATCHA	0x34  /* Temporary register a            */
 #define SCRATCHA1	0x35
 #define SCRATCHA2	0x36
 #define SCRATCHA3	0x37

 #define DMODE			0x38
 	#define   BL_2    0x80  /* mod: burst length shift value +2 */
 	#define   BL_1    0x40  /* mod: burst length shift value +1 */
 	#define   ERL     0x08  /* mod: enable read line            */
 	#define   ERMP    0x04  /* mod: enable read multiple        */
 	#define   BOF     0x02  /* mod: burst op code fetch         */
 	#define   MAN     0x01  /* mod: manual start				         */

 #define DIEN		0x39
 #define SBR			0x3a

 #define DCNTL		0x3b			/* --> Script execution control     */
 	#define   CLSE    0x80  /* mod: cache line size enable      */
 	#define   PFF     0x40  /* cmd: pre-fetch flush             */
 	#define   PFEN    0x20  /* mod: pre-fetch enable            */
 	#define   SSM     0x10  /* mod: single step mode            */
 	#define   IRQM    0x08  /* mod: irq mode (1 = totem pole !) */
 	#define   STD     0x04  /* cmd: start dma mode              */
 	#define   IRQD    0x02  /* mod: irq disable                 */
 	#define	  NOCOM   0x01	/* cmd: protect sfbr while reselect */
 				/* bits 0-1 rsvd for C1010          */

 #define ADDER			0x3c

 #define SIEN			0x40	/* -->: interrupt enable            */
 #define SIST			0x42	/* <--: interrupt status            */
   #define   SBMC    0x1000/* sta: SCSI Bus Mode Change (895/6 only) */
   #define   STO     0x0400/* sta: timeout (select)            */
   #define   GEN     0x0200/* sta: timeout (general)           */
   #define   HTH     0x0100/* sta: timeout (handshake)         */
   #define   MA      0x80  /* sta: phase mismatch              */
   #define   CMP     0x40  /* sta: arbitration complete        */
   #define   SEL     0x20  /* sta: selected by another device  */
   #define   RSL     0x10  /* sta: reselected by another device*/
   #define   SGE     0x08  /* sta: gross error (over/underflow)*/
   #define   UDC     0x04  /* sta: unexpected disconnect       */
   #define   RST     0x02  /* sta: scsi bus reset detected     */
   #define   PAR     0x01  /* sta: scsi parity error           */

 #define SLPAR				0x44
 #define SWIDE				0x45
 #define MACNTL			0x46
 #define GPCNTL			0x47
 #define STIME0			0x48    /* cmd: timeout for select&handshake*/
 #define STIME1			0x49    /* cmd: timeout user defined        */
 #define RESPID			0x4a    /* sta: Reselect-IDs                */

 #define STEST0			0x4c

 #define STEST1			0x4d
 	#define   SCLK    0x80	/* Use the PCI clock as SCSI clock	*/
 	#define   DBLEN   0x08	/* clock doubler running		*/
 	#define   DBLSEL  0x04	/* clock doubler selected		*/


 #define STEST2			0x4e
 	#define   ROF     0x40	/* reset scsi offset (after gross error!) */
 	#define   EXT     0x02  /* extended filtering                     */

 #define STEST3			0x4f
 	#define   TE     0x80	/* c: tolerAnt enable */
 	#define   HSC    0x20	/* c: Halt SCSI Clock */
 	#define   CSF    0x02	/* c: clear scsi fifo */

 #define SIDL			0x50	/* Lowlevel: latched from scsi data */
 #define STEST4		0x52
 	#define SMODE	0xc0	/* SCSI bus mode      (895/6 only) */
 	#define SMODE_HVD 0x40	/* High Voltage Differential       */
 	#define SMODE_SE  0x80	/* Single Ended                    */
 	#define SMODE_LVD 0xc0	/* Low Voltage Differential        */
 	#define LCKFRQ 0x20	/* Frequency Lock (895/6 only)     */
 				/* bits 0-5 rsvd for C1010          */

 #define SODL			0x54	/* Lowlevel: data out to scsi data  */

 #define SBDL			0x58	/* Lowlevel: data from scsi data    */


 /*-----------------------------------------------------------
 **
 **	Utility macros for the script.
 **
 **-----------------------------------------------------------
 */

 #define REG(r) (r)

 /*-----------------------------------------------------------
 **
 **	SCSI phases
 **
 **	DT phases illegal for ncr driver.
 **
 **-----------------------------------------------------------
 */

 #define	SCR_DATA_OUT	0x00000000
 #define	SCR_DATA_IN	0x01000000
 #define	SCR_COMMAND	0x02000000
 #define	SCR_STATUS	0x03000000
 #define SCR_DT_DATA_OUT	0x04000000
 #define SCR_DT_DATA_IN	0x05000000
 #define SCR_MSG_OUT	0x06000000
 #define SCR_MSG_IN      0x07000000

 #define SCR_ILG_OUT	0x04000000
 #define SCR_ILG_IN	0x05000000

 /*-----------------------------------------------------------
 **
 **	Data transfer via SCSI.
 **
 **-----------------------------------------------------------
 **
 **	MOVE_ABS (LEN)
 **	<<start address>>
 **
 **	MOVE_IND (LEN)
 **	<<dnad_offset>>
 **
 **	MOVE_TBL
 **	<<dnad_offset>>
 **
 **-----------------------------------------------------------
 */

 #define OPC_MOVE          0x08000000

 #define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l))
 #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l))
 #define SCR_MOVE_TBL     (0x10000000 | OPC_MOVE)

 #define SCR_CHMOV_ABS(l) ((0x00000000) | (l))
 #define SCR_CHMOV_IND(l) ((0x20000000) | (l))
 #define SCR_CHMOV_TBL     (0x10000000)


 /*-----------------------------------------------------------
 **
 **	Selection
 **
 **-----------------------------------------------------------
 **
 **	SEL_ABS | SCR_ID (0..15)    [ | REL_JMP]
 **	<<alternate_address>>
 **
 **	SEL_TBL | << dnad_offset>>  [ | REL_JMP]
 **	<<alternate_address>>
 **
 **-----------------------------------------------------------
 */

 #define	SCR_SEL_ABS	0x40000000
 #define	SCR_SEL_ABS_ATN	0x41000000
 #define	SCR_SEL_TBL	0x42000000
 #define	SCR_SEL_TBL_ATN	0x43000000


 #define SCR_JMP_REL     0x04000000
 #define SCR_ID(id)	(((unsigned long)(id)) << 16)

 /*-----------------------------------------------------------
 **
 **	Waiting for Disconnect or Reselect
 **
 **-----------------------------------------------------------
 **
 **	WAIT_DISC
 **	dummy: <<alternate_address>>
 **
 **	WAIT_RESEL
 **	<<alternate_address>>
 **
 **-----------------------------------------------------------
 */

 #define	SCR_WAIT_DISC	0x48000000
 #define SCR_WAIT_RESEL  0x50000000

 /*-----------------------------------------------------------
 **
 **	Bit Set / Reset
 **
 **-----------------------------------------------------------
 **
 **	SET (flags {|.. })
 **
 **	CLR (flags {|.. })
 **
 **-----------------------------------------------------------
 */

 #define SCR_SET(f)     (0x58000000 | (f))
 #define SCR_CLR(f)     (0x60000000 | (f))

 #define	SCR_CARRY	0x00000400
 #define	SCR_TRG		0x00000200
 #define	SCR_ACK		0x00000040
 #define	SCR_ATN		0x00000008


 /*-----------------------------------------------------------
 **
 **	Memory to memory move
 **
 **-----------------------------------------------------------
 **
 **	COPY (bytecount)
 **	<< source_address >>
 **	<< destination_address >>
 **
 **	SCR_COPY   sets the NO FLUSH option by default.
 **	SCR_COPY_F does not set this option.
 **
 **	For chips which do not support this option,
 **	ncr_copy_and_bind() will remove this bit.
 **-----------------------------------------------------------
 */

 #define SCR_NO_FLUSH 0x01000000

 #define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
 #define SCR_COPY_F(n) (0xc0000000 | (n))

 /*-----------------------------------------------------------
 **
 **	Register move and binary operations
 **
 **-----------------------------------------------------------
 **
 **	SFBR_REG (reg, op, data)        reg  = SFBR op data
 **	<< 0 >>
 **
 **	REG_SFBR (reg, op, data)        SFBR = reg op data
 **	<< 0 >>
 **
 **	REG_REG  (reg, op, data)        reg  = reg op data
 **	<< 0 >>
 **
 **-----------------------------------------------------------
 **	On 810A, 860, 825A, 875, 895 and 896 chips the content
 **	of SFBR register can be used as data (SCR_SFBR_DATA).
 **	The 896 has additionnal IO registers starting at
 **	offset 0x80. Bit 7 of register offset is stored in
 **	bit 7 of the SCRIPTS instruction first DWORD.
 **-----------------------------------------------------------
 */

 #define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul)) /* + ((ofs) & 0x80)) */

 #define SCR_SFBR_REG(reg,op,data) \
 	(0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))

 #define SCR_REG_SFBR(reg,op,data) \
 	(0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))

 #define SCR_REG_REG(reg,op,data) \
 	(0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))


 #define      SCR_LOAD   0x00000000
 #define      SCR_SHL    0x01000000
 #define      SCR_OR     0x02000000
 #define      SCR_XOR    0x03000000
 #define      SCR_AND    0x04000000
 #define      SCR_SHR    0x05000000
 #define      SCR_ADD    0x06000000
 #define      SCR_ADDC   0x07000000

 #define      SCR_SFBR_DATA   (0x00800000>>8ul)	/* Use SFBR as data */

 /*-----------------------------------------------------------
 **
 **	FROM_REG (reg)		  SFBR = reg
 **	<< 0 >>
 **
 **	TO_REG	 (reg)		  reg  = SFBR
 **	<< 0 >>
 **
 **	LOAD_REG (reg, data)	  reg  = <data>
 **	<< 0 >>
 **
 **	LOAD_SFBR(data)		  SFBR = <data>
 **	<< 0 >>
 **
 **-----------------------------------------------------------
 */

 #define	SCR_FROM_REG(reg) \
 	SCR_REG_SFBR(reg,SCR_OR,0)

 #define	SCR_TO_REG(reg) \
 	SCR_SFBR_REG(reg,SCR_OR,0)

 #define	SCR_LOAD_REG(reg,data) \
 	SCR_REG_REG(reg,SCR_LOAD,data)

 #define SCR_LOAD_SFBR(data) \
 	(SCR_REG_SFBR (gpreg, SCR_LOAD, data))

 /*-----------------------------------------------------------
 **
 **	LOAD  from memory   to register.
 **	STORE from register to memory.
 **
 **	Only supported by 810A, 860, 825A, 875, 895 and 896.
 **
 **-----------------------------------------------------------
 **
 **	LOAD_ABS (LEN)
 **	<<start address>>
 **
 **	LOAD_REL (LEN)        (DSA relative)
 **	<<dsa_offset>>
 **
 **-----------------------------------------------------------
 */

 #define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
 #define SCR_NO_FLUSH2	0x02000000
 #define SCR_DSA_REL2	0x10000000

 #define SCR_LOAD_R(reg, how, n) \
 	(0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))

 #define SCR_STORE_R(reg, how, n) \
 	(0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))

 #define SCR_LOAD_ABS(reg, n)	SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
 #define SCR_LOAD_REL(reg, n)	SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n)
 #define SCR_LOAD_ABS_F(reg, n)	SCR_LOAD_R(reg, 0, n)
 #define SCR_LOAD_REL_F(reg, n)	SCR_LOAD_R(reg, SCR_DSA_REL2, n)

 #define SCR_STORE_ABS(reg, n)	SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
 #define SCR_STORE_REL(reg, n)	SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n)
 #define SCR_STORE_ABS_F(reg, n)	SCR_STORE_R(reg, 0, n)
 #define SCR_STORE_REL_F(reg, n)	SCR_STORE_R(reg, SCR_DSA_REL2, n)


 /*-----------------------------------------------------------
 **
 **	Waiting for Disconnect or Reselect
 **
 **-----------------------------------------------------------
 **
 **	JUMP            [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<address>>
 **
 **	JUMPR           [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<distance>>
 **
 **	CALL            [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<address>>
 **
 **	CALLR           [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<distance>>
 **
 **	RETURN          [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<dummy>>
 **
 **	INT             [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<ident>>
 **
 **	INT_FLY         [ | IFTRUE/IFFALSE ( ... ) ]
 **	<<ident>>
 **
 **	Conditions:
 **	     WHEN (phase)
 **	     IF   (phase)
 **	     CARRYSET
 **	     DATA (data, mask)
 **
 **-----------------------------------------------------------
 */

 #define SCR_NO_OP       0x80000000
 #define SCR_JUMP        0x80080000
 #define SCR_JUMP64      0x80480000
 #define SCR_JUMPR       0x80880000
 #define SCR_CALL        0x88080000
 #define SCR_CALLR       0x88880000
 #define SCR_RETURN      0x90080000
 #define SCR_INT         0x98080000
 #define SCR_INT_FLY     0x98180000

 #define IFFALSE(arg)   (0x00080000 | (arg))
 #define IFTRUE(arg)    (0x00000000 | (arg))

 #define WHEN(phase)    (0x00030000 | (phase))
 #define IF(phase)      (0x00020000 | (phase))

 #define DATA(D)        (0x00040000 | ((D) & 0xff))
 #define MASK(D,M)      (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))

 #define CARRYSET       (0x00200000)


 #define SIR_COMPLETE					 0x10000000
 /* script errors */
 #define SIR_SEL_ATN_NO_MSG_OUT 0x00000001
 #define SIR_CMD_OUT_ILL_PH     0x00000002
 #define SIR_STATUS_ILL_PH			 0x00000003
 #define SIR_MSG_RECEIVED			 0x00000004
 #define SIR_DATA_IN_ERR        0x00000005
 #define SIR_DATA_OUT_ERR			 0x00000006
 #define SIR_SCRIPT_ERROR			 0x00000007
 #define SIR_MSG_OUT_NO_CMD		 0x00000008
 #define SIR_MSG_OVER7					 0x00000009
 /* Fly interrupt */
 #define INT_ON_FY							 0x00000080

 /* Hardware errors  are defined in scsi.h */

 #define SCSI_IDENTIFY					0xC0

 #endif
	/*
	* (C) Copyright 2001
	* Denis Peter, MPL AG Switzerland
	*
	* SPDX-License-Identifier: GPL-2.0+
	*
	* Most of these definitions are derived from
	* linux/drivers/scsi/sym53c8xx_defs.h
	*/

	#ifndef _SYM53C8XX_DEFS_H
	#define _SYM53C8XX_DEFS_H


	#define SCNTL0 0x00 /* full arb., ena parity, par->ATN */

	#define SCNTL1 0x01 /* no reset */
	#define ISCON 0x10 /* connected to scsi */
	#define CRST 0x08 /* force reset */
	#define IARB 0x02 /* immediate arbitration */

	#define SCNTL2 0x02 /* no disconnect expected */
	#define SDU 0x80 /* cmd: disconnect will raise error */
	#define CHM 0x40 /* sta: chained mode */
	#define WSS 0x08 /* sta: wide scsi send [W]*/
	#define WSR 0x01 /* sta: wide scsi received [W]*/

	#define SCNTL3 0x03 /* cnf system clock dependent */
	#define EWS 0x08 /* cmd: enable wide scsi [W]*/
	#define ULTRA 0x80 /* cmd: ULTRA enable */
	/* bits 0-2, 7 rsvd for C1010 */

	#define SCID 0x04 /* cnf host adapter scsi address */
	#define RRE 0x40 /* r/w:e enable response to resel. */
	#define SRE 0x20 /* r/w:e enable response to select */

	#define SXFER 0x05 /* ### Sync speed and count */
	/* bits 6-7 rsvd for C1010 */

	#define SDID 0x06 /* ### Destination-ID */

	#define GPREG 0x07 /* ??? IO-Pins */

	#define SFBR 0x08 /* ### First byte in phase */

	#define SOCL 0x09
	#define CREQ 0x80 /* r/w: SCSI-REQ */
	#define CACK 0x40 /* r/w: SCSI-ACK */
	#define CBSY 0x20 /* r/w: SCSI-BSY */
	#define CSEL 0x10 /* r/w: SCSI-SEL */
	#define CATN 0x08 /* r/w: SCSI-ATN */
	#define CMSG 0x04 /* r/w: SCSI-MSG */
	#define CC_D 0x02 /* r/w: SCSI-C_D */
	#define CI_O 0x01 /* r/w: SCSI-I_O */

	#define SSID 0x0a

	#define SBCL 0x0b

	#define DSTAT 0x0c
	#define DFE 0x80 /* sta: dma fifo empty */
	#define MDPE 0x40 /* int: master data parity error */
	#define BF 0x20 /* int: script: bus fault */
	#define ABRT 0x10 /* int: script: command aborted */
	#define SSI 0x08 /* int: script: single step */
	#define SIR 0x04 /* int: script: interrupt instruct. */
	#define IID 0x01 /* int: script: illegal instruct. */

	#define SSTAT0 0x0d
	#define ILF 0x80 /* sta: data in SIDL register lsb */
	#define ORF 0x40 /* sta: data in SODR register lsb */
	#define OLF 0x20 /* sta: data in SODL register lsb */
	#define AIP 0x10 /* sta: arbitration in progress */
	#define LOA 0x08 /* sta: arbitration lost */
	#define WOA 0x04 /* sta: arbitration won */
	#define IRST 0x02 /* sta: scsi reset signal */
	#define SDP 0x01 /* sta: scsi parity signal */

	#define SSTAT1 0x0e
	#define FF3210 0xf0 /* sta: bytes in the scsi fifo */

	#define SSTAT2 0x0f
	#define ILF1 0x80 /* sta: data in SIDL register msb[W]*/
	#define ORF1 0x40 /* sta: data in SODR register msb[W]*/
	#define OLF1 0x20 /* sta: data in SODL register msb[W]*/
	#define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */
	#define LDSC 0x02 /* sta: disconnect & reconnect */

	#define DSA 0x10 /* --> Base page */
	#define DSA1 0x11
	#define DSA2 0x12
	#define DSA3 0x13

	#define ISTAT 0x14 /* --> Main Command and status */
	#define CABRT 0x80 /* cmd: abort current operation */
	#define SRST 0x40 /* mod: reset chip */
	#define SIGP 0x20 /* r/w: message from host to ncr */
	#define SEM 0x10 /* r/w: message between host + ncr */
	#define CON 0x08 /* sta: connected to scsi */
	#define INTF 0x04 /* sta: int on the fly (reset by wr)*/
	#define SIP 0x02 /* sta: scsi-interrupt */
	#define DIP 0x01 /* sta: host/script interrupt */


	#define CTEST0 0x18
	#define CTEST1 0x19
	#define CTEST2 0x1a
	#define CSIGP 0x40
	/* bits 0-2,7 rsvd for C1010 */

	#define CTEST3 0x1b
	#define FLF 0x08 /* cmd: flush dma fifo */
	#define CLF 0x04 /* cmd: clear dma fifo */
	#define FM 0x02 /* mod: fetch pin mode */
	#define WRIE 0x01 /* mod: write and invalidate enable */
	/* bits 4-7 rsvd for C1010 */

	#define DFIFO 0x20
	#define CTEST4 0x21
	#define BDIS 0x80 /* mod: burst disable */
	#define MPEE 0x08 /* mod: master parity error enable */

	#define CTEST5 0x22
	#define DFS 0x20 /* mod: dma fifo size */
	/* bits 0-1, 3-7 rsvd for C1010 */
	#define CTEST6 0x23

	#define DBC 0x24 /* ### Byte count and command */
	#define DNAD 0x28 /* ### Next command register */
	#define DSP 0x2c /* --> Script Pointer */
	#define DSPS 0x30 /* --> Script pointer save/opcode#2 */

	#define SCRATCHA 0x34 /* Temporary register a */
	#define SCRATCHA1 0x35
	#define SCRATCHA2 0x36
	#define SCRATCHA3 0x37

	#define DMODE 0x38
	#define BL_2 0x80 /* mod: burst length shift value +2 */
	#define BL_1 0x40 /* mod: burst length shift value +1 */
	#define ERL 0x08 /* mod: enable read line */
	#define ERMP 0x04 /* mod: enable read multiple */
	#define BOF 0x02 /* mod: burst op code fetch */
	#define MAN 0x01 /* mod: manual start */

	#define DIEN 0x39
	#define SBR 0x3a

	#define DCNTL 0x3b /* --> Script execution control */
	#define CLSE 0x80 /* mod: cache line size enable */
	#define PFF 0x40 /* cmd: pre-fetch flush */
	#define PFEN 0x20 /* mod: pre-fetch enable */
	#define SSM 0x10 /* mod: single step mode */
	#define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */
	#define STD 0x04 /* cmd: start dma mode */
	#define IRQD 0x02 /* mod: irq disable */
	#define NOCOM 0x01 /* cmd: protect sfbr while reselect */
	/* bits 0-1 rsvd for C1010 */

	#define ADDER 0x3c

	#define SIEN 0x40 /* -->: interrupt enable */
	#define SIST 0x42 /* <--: interrupt status */
	#define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */
	#define STO 0x0400/* sta: timeout (select) */
	#define GEN 0x0200/* sta: timeout (general) */
	#define HTH 0x0100/* sta: timeout (handshake) */
	#define MA 0x80 /* sta: phase mismatch */
	#define CMP 0x40 /* sta: arbitration complete */
	#define SEL 0x20 /* sta: selected by another device */
	#define RSL 0x10 /* sta: reselected by another device*/
	#define SGE 0x08 /* sta: gross error (over/underflow)*/
	#define UDC 0x04 /* sta: unexpected disconnect */
	#define RST 0x02 /* sta: scsi bus reset detected */
	#define PAR 0x01 /* sta: scsi parity error */

	#define SLPAR 0x44
	#define SWIDE 0x45
	#define MACNTL 0x46
	#define GPCNTL 0x47
	#define STIME0 0x48 /* cmd: timeout for select&handshake*/
	#define STIME1 0x49 /* cmd: timeout user defined */
	#define RESPID 0x4a /* sta: Reselect-IDs */

	#define STEST0 0x4c

	#define STEST1 0x4d
	#define SCLK 0x80 /* Use the PCI clock as SCSI clock */
	#define DBLEN 0x08 /* clock doubler running */
	#define DBLSEL 0x04 /* clock doubler selected */


	#define STEST2 0x4e
	#define ROF 0x40 /* reset scsi offset (after gross error!) */
	#define EXT 0x02 /* extended filtering */

	#define STEST3 0x4f
	#define TE 0x80 /* c: tolerAnt enable */
	#define HSC 0x20 /* c: Halt SCSI Clock */
	#define CSF 0x02 /* c: clear scsi fifo */

	#define SIDL 0x50 /* Lowlevel: latched from scsi data */
	#define STEST4 0x52
	#define SMODE 0xc0 /* SCSI bus mode (895/6 only) */
	#define SMODE_HVD 0x40 /* High Voltage Differential */
	#define SMODE_SE 0x80 /* Single Ended */
	#define SMODE_LVD 0xc0 /* Low Voltage Differential */
	#define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */
	/* bits 0-5 rsvd for C1010 */

	#define SODL 0x54 /* Lowlevel: data out to scsi data */

	#define SBDL 0x58 /* Lowlevel: data from scsi data */


	/*-----------------------------------------------------------
	**
	** Utility macros for the script.
	**
	**-----------------------------------------------------------
	*/

	#define REG(r) (r)

	/*-----------------------------------------------------------
	**
	** SCSI phases
	**
	** DT phases illegal for ncr driver.
	**
	**-----------------------------------------------------------
	*/

	#define SCR_DATA_OUT 0x00000000
	#define SCR_DATA_IN 0x01000000
	#define SCR_COMMAND 0x02000000
	#define SCR_STATUS 0x03000000
	#define SCR_DT_DATA_OUT 0x04000000
	#define SCR_DT_DATA_IN 0x05000000
	#define SCR_MSG_OUT 0x06000000
	#define SCR_MSG_IN 0x07000000

	#define SCR_ILG_OUT 0x04000000
	#define SCR_ILG_IN 0x05000000

	/*-----------------------------------------------------------
	**
	** Data transfer via SCSI.
	**
	**-----------------------------------------------------------
	**
	** MOVE_ABS (LEN)
	** <<start address>>
	**
	** MOVE_IND (LEN)
	** <<dnad_offset>>
	**
	** MOVE_TBL
	** <<dnad_offset>>
	**
	**-----------------------------------------------------------
	*/

	#define OPC_MOVE 0x08000000

	#define SCR_MOVE_ABS(l) ((0x00000000 \| OPC_MOVE) \| (l))
	#define SCR_MOVE_IND(l) ((0x20000000 \| OPC_MOVE) \| (l))
	#define SCR_MOVE_TBL (0x10000000 \| OPC_MOVE)

	#define SCR_CHMOV_ABS(l) ((0x00000000) \| (l))
	#define SCR_CHMOV_IND(l) ((0x20000000) \| (l))
	#define SCR_CHMOV_TBL (0x10000000)


	/*-----------------------------------------------------------
	**
	** Selection
	**
	**-----------------------------------------------------------
	**
	** SEL_ABS \| SCR_ID (0..15) [ \| REL_JMP]
	** <<alternate_address>>
	**
	** SEL_TBL \| << dnad_offset>> [ \| REL_JMP]
	** <<alternate_address>>
	**
	**-----------------------------------------------------------
	*/

	#define SCR_SEL_ABS 0x40000000
	#define SCR_SEL_ABS_ATN 0x41000000
	#define SCR_SEL_TBL 0x42000000
	#define SCR_SEL_TBL_ATN 0x43000000


	#define SCR_JMP_REL 0x04000000
	#define SCR_ID(id) (((unsigned long)(id)) << 16)

	/*-----------------------------------------------------------
	**
	** Waiting for Disconnect or Reselect
	**
	**-----------------------------------------------------------
	**
	** WAIT_DISC
	** dummy: <<alternate_address>>
	**
	** WAIT_RESEL
	** <<alternate_address>>
	**
	**-----------------------------------------------------------
	*/

	#define SCR_WAIT_DISC 0x48000000
	#define SCR_WAIT_RESEL 0x50000000

	/*-----------------------------------------------------------
	**
	** Bit Set / Reset
	**
	**-----------------------------------------------------------
	**
	** SET (flags {\|.. })
	**
	** CLR (flags {\|.. })
	**
	**-----------------------------------------------------------
	*/

	#define SCR_SET(f) (0x58000000 \| (f))
	#define SCR_CLR(f) (0x60000000 \| (f))

	#define SCR_CARRY 0x00000400
	#define SCR_TRG 0x00000200
	#define SCR_ACK 0x00000040
	#define SCR_ATN 0x00000008


	/*-----------------------------------------------------------
	**
	** Memory to memory move
	**
	**-----------------------------------------------------------
	**
	** COPY (bytecount)
	** << source_address >>
	** << destination_address >>
	**
	** SCR_COPY sets the NO FLUSH option by default.
	** SCR_COPY_F does not set this option.
	**
	** For chips which do not support this option,
	** ncr_copy_and_bind() will remove this bit.
	**-----------------------------------------------------------
	*/

	#define SCR_NO_FLUSH 0x01000000

	#define SCR_COPY(n) (0xc0000000 \| SCR_NO_FLUSH \| (n))
	#define SCR_COPY_F(n) (0xc0000000 \| (n))

	/*-----------------------------------------------------------
	**
	** Register move and binary operations
	**
	**-----------------------------------------------------------
	**
	** SFBR_REG (reg, op, data) reg = SFBR op data
	** << 0 >>
	**
	** REG_SFBR (reg, op, data) SFBR = reg op data
	** << 0 >>
	**
	** REG_REG (reg, op, data) reg = reg op data
	** << 0 >>
	**
	**-----------------------------------------------------------
	** On 810A, 860, 825A, 875, 895 and 896 chips the content
	** of SFBR register can be used as data (SCR_SFBR_DATA).
	** The 896 has additionnal IO registers starting at
	** offset 0x80. Bit 7 of register offset is stored in
	** bit 7 of the SCRIPTS instruction first DWORD.
	**-----------------------------------------------------------
	*/

	#define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul)) /* + ((ofs) & 0x80)) */

	#define SCR_SFBR_REG(reg,op,data) \
	(0x68000000 \| (SCR_REG_OFS(REG(reg))) \| (op) \| (((data)&0xff)<<8ul))

	#define SCR_REG_SFBR(reg,op,data) \
	(0x70000000 \| (SCR_REG_OFS(REG(reg))) \| (op) \| (((data)&0xff)<<8ul))

	#define SCR_REG_REG(reg,op,data) \
	(0x78000000 \| (SCR_REG_OFS(REG(reg))) \| (op) \| (((data)&0xff)<<8ul))


	#define SCR_LOAD 0x00000000
	#define SCR_SHL 0x01000000
	#define SCR_OR 0x02000000
	#define SCR_XOR 0x03000000
	#define SCR_AND 0x04000000
	#define SCR_SHR 0x05000000
	#define SCR_ADD 0x06000000
	#define SCR_ADDC 0x07000000

	#define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */

	/*-----------------------------------------------------------
	**
	** FROM_REG (reg) SFBR = reg
	** << 0 >>
	**
	** TO_REG (reg) reg = SFBR
	** << 0 >>
	**
	** LOAD_REG (reg, data) reg = <data>
	** << 0 >>
	**
	** LOAD_SFBR(data) SFBR = <data>
	** << 0 >>
	**
	**-----------------------------------------------------------
	*/

	#define SCR_FROM_REG(reg) \
	SCR_REG_SFBR(reg,SCR_OR,0)

	#define SCR_TO_REG(reg) \
	SCR_SFBR_REG(reg,SCR_OR,0)

	#define SCR_LOAD_REG(reg,data) \
	SCR_REG_REG(reg,SCR_LOAD,data)

	#define SCR_LOAD_SFBR(data) \
	(SCR_REG_SFBR (gpreg, SCR_LOAD, data))

	/*-----------------------------------------------------------
	**
	** LOAD from memory to register.
	** STORE from register to memory.
	**
	** Only supported by 810A, 860, 825A, 875, 895 and 896.
	**
	**-----------------------------------------------------------
	**
	** LOAD_ABS (LEN)
	** <<start address>>
	**
	** LOAD_REL (LEN) (DSA relative)
	** <<dsa_offset>>
	**
	**-----------------------------------------------------------
	*/

	#define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
	#define SCR_NO_FLUSH2 0x02000000
	#define SCR_DSA_REL2 0x10000000

	#define SCR_LOAD_R(reg, how, n) \
	(0xe1000000 \| how \| (SCR_REG_OFS2(REG(reg))) \| (n))

	#define SCR_STORE_R(reg, how, n) \
	(0xe0000000 \| how \| (SCR_REG_OFS2(REG(reg))) \| (n))

	#define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
	#define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2\|SCR_DSA_REL2, n)
	#define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n)
	#define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n)

	#define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
	#define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2\|SCR_DSA_REL2,n)
	#define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n)
	#define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n)


	/*-----------------------------------------------------------
	**
	** Waiting for Disconnect or Reselect
	**
	**-----------------------------------------------------------
	**
	** JUMP [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<address>>
	**
	** JUMPR [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<distance>>
	**
	** CALL [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<address>>
	**
	** CALLR [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<distance>>
	**
	** RETURN [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<dummy>>
	**
	** INT [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<ident>>
	**
	** INT_FLY [ \| IFTRUE/IFFALSE ( ... ) ]
	** <<ident>>
	**
	** Conditions:
	** WHEN (phase)
	** IF (phase)
	** CARRYSET
	** DATA (data, mask)
	**
	**-----------------------------------------------------------
	*/

	#define SCR_NO_OP 0x80000000
	#define SCR_JUMP 0x80080000
	#define SCR_JUMP64 0x80480000
	#define SCR_JUMPR 0x80880000
	#define SCR_CALL 0x88080000
	#define SCR_CALLR 0x88880000
	#define SCR_RETURN 0x90080000
	#define SCR_INT 0x98080000
	#define SCR_INT_FLY 0x98180000

	#define IFFALSE(arg) (0x00080000 \| (arg))
	#define IFTRUE(arg) (0x00000000 \| (arg))

	#define WHEN(phase) (0x00030000 \| (phase))
	#define IF(phase) (0x00020000 \| (phase))

	#define DATA(D) (0x00040000 \| ((D) & 0xff))
	#define MASK(D,M) (0x00040000 \| (((M ^ 0xff) & 0xff) << 8ul)\|((D) & 0xff))

	#define CARRYSET (0x00200000)


	#define SIR_COMPLETE 0x10000000
	/* script errors */
	#define SIR_SEL_ATN_NO_MSG_OUT 0x00000001
	#define SIR_CMD_OUT_ILL_PH 0x00000002
	#define SIR_STATUS_ILL_PH 0x00000003
	#define SIR_MSG_RECEIVED 0x00000004
	#define SIR_DATA_IN_ERR 0x00000005
	#define SIR_DATA_OUT_ERR 0x00000006
	#define SIR_SCRIPT_ERROR 0x00000007
	#define SIR_MSG_OUT_NO_CMD 0x00000008
	#define SIR_MSG_OVER7 0x00000009
	/* Fly interrupt */
	#define INT_ON_FY 0x00000080

	/* Hardware errors are defined in scsi.h */

	#define SCSI_IDENTIFY 0xC0

	#endif