1/* $NetBSD: picreg.h,v 1.4 2005/12/11 12:18:52 christos Exp $ */ 2 3/* 4 * Copyright (c) 2002 Steve Rumble 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#ifndef _ARCH_SGIMIPS_DEV_PICREG_H_ 31#define _ARCH_SGIMIPS_DEV_PICREG_H_ 32 33#define PIC_CPUCTRL 0x00 /* CPU control */ 34 35#define PIC_CPUCTRL_REFRESH 0x0001 /* refresh enable */ 36#define PIC_CPUCTRL_BIGENDIAN 0x0002 /* big endian mode */ 37#define PIC_CPUCTRL_DBREFILL 0x0004 /* data block refill */ 38#define PIC_CPUCTRL_IBREFILL 0x0008 /* instruction block refill */ 39#define PIC_CPUCTRL_GDMAINTR 0x0010 /* gfx intr on completion */ 40#define PIC_CPUCTRL_GDMASYNC 0x0020 /* gfx dma sync */ 41#define PIC_CPUCTRL_FREFRESH 0x0040 /* fast refresh on 33 MHz+ gio */ 42#define PIC_CPUCTRL_NOVMEERR 0x0080 /* disables vme bus errors */ 43#define PIC_CPUCTRL_FREFRESHB 0x0080 /* fast refresh on revs. a+b */ 44#define PIC_CPUCTRL_GR2 0x0100 /* gio gr2 mode (?) */ 45#define PIC_CPUCTRL_SYSRESET 0x0200 /* vme sysreset line */ 46#define PIC_CPUCTRL_MPR 0x0400 /* memory read parity enable */ 47#define PIC_CPUCTRL_SLAVE 0x0800 /* slave accesses permitted */ 48#define PIC_CPUCTRL_VMEARB 0x1000 /* vme arbiter enable */ 49#define PIC_CPUCTRL_WPR 0x2000 /* write bad parity */ 50#define PIC_CPUCTRL_WDOG 0x4000 /* watchdog enable */ 51#define PIC_CPUCTRL_GFXRESET 0x8000 /* reset graphics */ 52 53#define PIC_MODE 0x04 /* system mode */ 54 55#define PIC_MODE_DBSIZ 0x0003 /* data block size */ 56#define PIC_MODE_IBSIZ 0x000c /* instruction block size */ 57#define PIC_MODE_ISTREAM 0x0010 /* instruction streaming */ 58#define PIC_MODE_NOCACHE 0x0020 /* cache disabled */ 59#define PIC_MODE_STOREPARTIAL 0x0040 /* store partial */ 60#define PIC_MODE_BUSDRIVE 0x0080 /* bus drive */ 61 62#define PIC_SYSID 0x08 /* system id */ 63 64#define PIC_SYSID_FPU 0x0001 /* fpu exists */ 65#define PIC_SYSID_GDMAERR 0x0004 /* graphics dma error */ 66#define PIC_SYSID_GDMADONE 0x0008 /* graphics dma complete */ 67#define PIC_SYSID_VMERMW 0x0010 /* vme read-mod-write */ 68#define PIC_SYSID_REVSHIFT 0x0006 /* Rev bits shifted */ 69#define PIC_SYSID_REVMASK 0x0007 /* PIC revision */ 70 71#define PIC_MEMCFG0 0x10000 /* memory config register 0 */ 72#define PIC_MEMCFG1 0x10004 /* memory config register 1 */ 73#define PIC_MEMCFG0_PHYSADDR (0x1fa00000 + PIC_MEMCFG0) 74#define PIC_MEMCFG1_PHYSADDR (0x1fa00000 + PIC_MEMCFG1) 75 76#define PIC_MEMCFG_4MB 0x0000 /* 4 megabytes (never occurs) */ 77#define PIC_MEMCFG_8MB 0x0001 /* 8 megabytes */ 78#define PIC_MEMCFG_16MB 0x0003 /* 16 megabytes */ 79#define PIC_MEMCFG_32MB 0x0007 /* 32 megabytes */ 80#define PIC_MEMCFG_64MB 0x000f /* 64 megabytes */ 81 82#define PIC_MEMCFG_BADSIZ 0x0000 /* bad memory size */ 83#define PIC_MEMCFG_ADDRMASK 0x003f /* memory address mask */ 84#define PIC_MEMCFG_BADADDR 0x003f /* no memory in bank */ 85#define PIC_MEMCFG_SIZMASK 0x0f00 /* bank size mask */ 86 87/* 88 * The bank memory address is computed the same way mc's is. 89 * Size is similar, only having one less bit (max. 64MB per bank). 90 */ 91#define PIC_MEMCFG_ADDR(x) \ 92 ((x & PIC_MEMCFG_ADDRMASK) << 22) 93#define PIC_MEMCFG_SIZ(x) \ 94 (((x & PIC_MEMCFG_SIZMASK) + 0x100) << 14) 95 96#define PIC_WRONLY_REFRESH 0x10100 /* write only refresh timer */ 97 98#define PIC_PARITY_ERROR 0x10200 /* parity errors */ 99 100#define PIC_PARITY_ERROR_GDMA 0x0001 /* graphics dma */ 101#define PIC_PARITY_ERROR_DMA 0x0002 102#define PIC_PARITY_ERROR_CPU 0x0004 103#define PIC_PARITY_ERROR_VME 0x0008 104#define PIC_PARITY_ERROR_BYTE3 0x0010 /* error in fourth byte */ 105#define PIC_PARITY_ERROR_BYTE2 0x0020 /* error in third byte */ 106#define PIC_PARITY_ERROR_BYTE1 0x0040 /* error in second byte */ 107#define PIC_PARITY_ERROR_BYTE0 0x0080 /* error in first byte */ 108 109#define PIC_PARITY_ADDR_CPU 0x10204 /* cpu error address */ 110#define PIC_PARITY_ADDR_DMA 0x10208 /* dma error address */ 111#define PIC_PARITY_ERROR_CLEAR 0x10210 /* clear parity errors */ 112 113/* 114 * GIO slot configuration registers described by the 'GIO BUS Specification' 115 * apparently no IP20 counterpart on mc. 116 */ 117#define PIC_GIO32ARB_SLOT0 0x20000 /* set slot 0 config */ 118#define PIC_GIO32ARB_SLOT1 0x20004 /* set slot 1 config */ 119 120#define PIC_GIO32ARB_SLOT_SLAVE 0x0001 /* slave only */ 121#define PIC_GIO32ARB_SLOT_LONG 0x0002 /* long burst */ 122 123#define PIC_GIO32ARB_BURST 0x20008 /* set gio burst */ 124 125#define PIC_GIO32ARB_DEFBURST 0x0001 /* default burst value */ 126 127#define PIC_GIO32ARB_DELAY 0x2000c /* set gio delay */ 128 129#define PIC_GIO32ARB_DEFDELAY 0x00f2 /* default delay value */ 130 131#endif /* _ARCH_SGIMIPS_DEV_PICREG_H_ */ 132