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      1 /*	$NetBSD: plx9060reg.h,v 1.1 2000/05/17 17:47:00 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Zembu Labs, Inc.
      5  * All rights reserved.
      6  *
      7  * Author: Jason R. Thorpe <thorpej (at) zembu.com>
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed by Zembu Labs, Inc.
     20  * 4. Neither the name of Zembu Labs nor the names of its employees may
     21  *    be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS
     25  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
     26  * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
     27  * CLAIMED.  IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT,
     28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34  */
     35 
     36 /*
     37  * Register description for the PLX 9060-family of PCI bus
     38  * controllers.
     39  *
     40  * In order for this file to be really useful to you, you'll want to
     41  * have the PLX 9060 datasheet in front of you.
     42  */
     43 
     44 #ifndef _DEV_PCI_PLX9060REG_H_
     45 #define	_DEV_PCI_PLX9060REG_H_
     46 
     47 /*
     48  * PLX 9060 PCI configuration space registers.
     49  */
     50 
     51 #define	PLX_PCI_RUNTIME_MEMADDR	0x10	/* memory mapped 9060 */
     52 #define	PLX_PCI_RUNTIME_IOADDR	0x14	/* i/o mapped 9060 */
     53 #define	PLX_PCI_LOCAL_ADDR0	0x18	/* PCI address of 9060 local bus */
     54 
     55 /*
     56  * PLX 9060 Runtime registers, in PCI space.
     57  */
     58 
     59 /* Local Address Space 0 Range Register */
     60 #define	PLX_LAS0RR		0x00
     61 #define	LASRR_IO		0x00000001
     62 #define	LASRR_MEM_1M		0x00000002
     63 #define	LASRR_MEM_64BIT		0x00000004
     64 #define	LASRR_MEM_PREFETCH	0x00000008
     65 #define	LASRR_MEM_MASK		0xfffffff0
     66 #define	LASRR_IO_MASK		0xfffffffc
     67 
     68 
     69 /* Local Address Space 0 Local Base Address (remap) Register */
     70 #define	PLX_LAS0BA		0x04
     71 #define	LASBA_ENABLE		0x00000001
     72 #define	LASBA_MEM_MASK		0xfffffff0
     73 #define	LASBA_IO_MASK		0xfffffffc
     74 
     75 
     76 /* Local Arbitration Register */
     77 #define	PLX_LAR			0x08
     78 #define	LAR_LATTMR		0x000000ff
     79 #define	LAR_PAUSETMR		0x0000ff00
     80 #define	LAR_LATTMR_EN		0x00010000
     81 #define	LAR_BREQ_EN		0x00040000
     82 #define	LAR_DSGIVEUP		0x00200000
     83 #define	LAR_DSLOCK_EN		0x00400000
     84 #define	LAR_PCI21_MODE		0x01000000
     85 
     86 
     87 /* Big/Little Endian Register */
     88 #define	PLX_ENDIAN		0x0c
     89 #define	ENDIAN_CRBE		0x00000001
     90 #define	ENDIAN_DMBE		0x00000002
     91 #define	ENDIAN_DSAS0BE		0x00000004
     92 #define	ENDIAN_DSAERBE		0x00000008
     93 #define	ENDIAN_BEBL		0x00000010
     94 
     95 
     96 /* Expansion ROM Range Register */
     97 #define	PLX_EROMRR		0x10
     98 #define	EROMRR_MASK		0xffffffc0
     99 
    100 
    101 /* Expansion ROM Base Address (remap) Register */
    102 #define	PLX_EROMBA		0x14
    103 #define	EROMBA_BREQ_DC		0x0000000f
    104 #define	EROMBA_BREQ_EN		0x00000010
    105 #define	EROMBA_MASK		0xffffffc0
    106 
    107 
    108 /* Local Bus Region Descriptor for PCI to Local Access Register */
    109 #define	PLX_LBRD		0x18
    110 
    111 
    112 /* Local Range for Direct Master to PCI */
    113 #define	PLX_DMRR		0x1c
    114 
    115 
    116 /* Local Bus Base Address for Direct Master to PCI Memory */
    117 #define	PLX_DMLBAM		0x20
    118 
    119 
    120 /* Local Bus Base Address for Direct Master to PCI IO/Config */
    121 #define	PLX_DMLBAI		0x24
    122 
    123 
    124 /* PCI Base Address (remap) for Direct Master to PCI Memory */
    125 #define	PLX_DMBPAM		0x28
    126 
    127 
    128 /* PCI Base Address (remap) for Direct Master to PCI IO/Config */
    129 #define	PLX_DMPBAI		0x2c
    130 
    131 
    132 #define	PLX_MAILBOX0		0x40	/* Mailbox register 0 */
    133 #define	PLX_MAILBOX1		0x44	/* Mailbox register 1 */
    134 #define	PLX_MAILBOX2		0x48	/* Mailbox register 2 */
    135 #define	PLX_MAILBOX3		0x4c	/* Mailbox register 3 */
    136 #define	PLX_MAILBOX4		0x50	/* Mailbox register 4 (not 9060ES) */
    137 #define	PLX_MAILBOX5		0x54	/* Mailbox register 5 (not 9060ES) */
    138 #define	PLX_MAILBOX6		0x58	/* Mailbox register 6 (not 9060ES) */
    139 #define	PLX_MAILBOX7		0x5c	/* Mailbox register 7 (not 9060ES) */
    140 
    141 
    142 #define	PLX_PCI_LOCAL_DOORBELL	0x60	/* PCI -> local doorbell */
    143 #define	PLX_LOCAL_PCI_DOORBELL	0x64	/* local -> PCI doorbell */
    144 
    145 
    146 /* Interrupt Control/Status */
    147 #define	PLX_INTCSR		0x68
    148 #define	INTCSR_LSERR_TAMA	0x00000001
    149 #define	INTCSR_LSERR_PA		0x00000002
    150 #define	INTCSR_SERR		0x00000004
    151 #define	INTCSR_PCI_EN		0x00000100
    152 #define	INTCSR_PCIDB_EN		0x00000200
    153 #define	INTCSR_PCIAB_EN		0x00000400
    154 #define	INTCSR_PCILOC_EN	0x00000800
    155 #define	INTCSR_RETRYAB_EN	0x00001000
    156 #define	INTCSR_PCIDB_INT	0x00002000
    157 #define	INTCSR_PCIAB_INT	0x00004000
    158 #define	INTCSR_PCILOC_INT	0x00008000
    159 #define	INTCSR_LOCOE_EN		0x00010000
    160 #define	INTCSR_LOCDB_EN		0x00020000
    161 #define	INTCSR_LOCDB_INT	0x00100000
    162 #define	INTCSR_BIST_INT		0x00800000
    163 #define	INTCSR_DMAB_INT		0x01000000
    164 #define	INTCSR_RETRYAB_INT	0x08000000
    165 
    166 
    167 /* EEPROM Control, PCI Command Codes, User I/O Control, Init Control */
    168 #define	PLX_CONTROL		0x6c
    169 #define	CONTROL_PCIMRC		0x00000f00
    170 #define	CONTROL_PCIMRC_SHIFT	8
    171 #define	CONTROL_PCIMWC		0x0000f000
    172 #define	CONTORL_PCIMWC_SHIFT	12
    173 #define	CONTROL_GPO		0x00010000
    174 #define	CONTROL_GPI		0x00020000
    175 #define	CONTROL_EESK		0x01000000
    176 #define	CONTROL_EECS		0x02000000
    177 #define	CONTROL_EEDO		0x04000000	/* PLX -> EEPROM */
    178 #define	CONTROL_EEDI		0x08000000	/* EEPROM -> PLX */
    179 #define	CONTROL_EEPRESENT	0x10000000
    180 #define	CONTROL_RELOADCFG	0x20000000
    181 #define	CONTROL_SWR		0x40000000
    182 #define	CONTROL_LOCALINIT	0x80000000
    183 
    184 	/* EEPROM opcodes */
    185 #define	PLX_EEPROM_OPC_READ(x)	(0x0080 | ((x) & 0x3f))
    186 #define	PLX_EEPROM_OPC_WRITE(x)	(0x0040 | ((x) & 0x3f))
    187 #define	PLX_EEPROM_OPC_WREN	0x0030
    188 #define	PLX_EEPROM_OPC_WRPR	0x0000
    189 #define	PLX_EEPROM_COMMAND(y)	(((y) & 0xff) | 0x100)
    190 
    191 
    192 /* PCI Configuration ID */
    193 #define	PLX_IDREG		0x70
    194 
    195 #endif /* _DEV_PCI_PLX9060REG_H_ */
    196