/* $NetBSD: bcureg.h,v 1.3 2000/01/27 06:25:54 sato Exp $ */ /*- * Copyright (c) 1999 SATO Kazumi. All rights reserved. * Copyright (c) 1999 PocketBSD Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the PocketBSD project * and its contributors. * 4. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ /* * BCU (Bus Control Unit) Registers definitions. * start 0xB000000 */ #define BCUCNT1_REG_W 0x000 /* BCU Control Register 1 */ #define BCUCNT1_ROMMASK (1<<15) /* ROM SIZE */ #define BCUCNT1_ROM64M (1<<15) /* ROM SIZE 64Mbit*/ #define BCUCNT1_ROM32M (0<<15) /* ROM SIZE 32Mbit*/ #define BCUCNT1_DRAMMASK (1<<14) /* DRAM SIZE */ #define BCUCNT1_DRAM64M (1<<14) /* DRAM SIZE 64Mbit*/ #define BCUCNT1_DRAM32M (0<<14) /* DRAM SIZE 32Mbit*/ #define BCUCNT1_ISAMLCD (1<<13) /* ISAM/LCD 0x0a000000 to 0xaffffff*/ #define BCUCNT1_ISA (1<<13) /* ISA memory space */ #define BCUCNT1_LCD (0<<13) /* LCD space*/ #define BCUCNT1_PAGEMASK (1<<12) /* Maximum burst access size for Page Rom */ #define BCUCNT1_PAGE128 (1<<12) /* 128bit */ #define BCUCNT1_PAGE64 (0<<12) /* 64bit */ #define BCUCNT1_PAGE2MASK (1<<10) /* */ #define BCUCNT1_PAGE2PAGE (1<<10) /* Page ROM */ #define BCUCNT1_PAGE2ORD (0<<10) /* Prginary ROM */ #define BCUCNT1_PAGE0MASK (1<<8) /* */ #define BCUCNT1_PAGE0PAGE (1<<8) /* Page ROM */ #define BCUCNT1_PAGE0ORD (0<<8) /* Prginary ROM */ #define BCUCNT1_ROMWEN2 (1<<6) /* Enable Flash memory write ROM 2*/ #define BCUCNT1_ROMWEN2EN (1<<6) /* Enable */ #define BCUCNT1_ROMWEN2DS (0<<6) /* Prohibit */ #define BCUCNT1_ROMWEN0 (1<<4) /* Enable Flash memory write ROM 0*/ #define BCUCNT1_ROMWEN0EN (1<<4) /* Enable */ #define BCUCNT1_ROMWEN0DS (0<<4) /* Prohibit */ #define BCUCNT1_BUSHERR (1<<1) /* Bus Timeout detection enable */ #define BCUCNT1_BUSHERREN (1<<1) /* Enable */ #define BCUCNT1_BUSHERRDS (0<<1) /* Prohibit */ #define BCUCNT1_RSTOUT (1) /* RSTOUT control bit */ #define BCUCNT1_RSTOUTH (1) /* RSTOUT high level*/ #define BCUCNT1_RSTOUTL (0) /* RSTOUT low level*/ #define BCUCNT2_REG_W 0x002 /* BCU Control Register 2 */ #define BCUCNT2_GMODE (1) /* LCD access control */ #define BCUCNT2_GMODENOM (1) /* not invert LCD */ #define BCUCNT2_GMODEINV (0) /* invert LCD */ #define BCUSPEED_REG_W 0x00A /* BCU Access Cycle Change Register */ #define BCUSPD_WPROM (0x3<<12) /* Page ROM access speed */ #define BCUSPD_WPROMRFU (0x3<<12) /* RFU */ #define BCUSPD_WPROM1T (0x2<<12) /* 1TClock */ #define BCUSPD_WPROM2T (0x1<<12) /* 2TClock */ #define BCUSPD_WPROM3T (0x0<<12) /* 3TClock */ #define BCUSPD_WLCDM (0x7<<18) /* access speed 0x0a000000-0affffff */ /* BCUCNT1_ISAMLCD == BCUCNT1_LCD */ #define BCUSPD_WLCDRFU (0x7<<12) /* LCD RFU */ #define BCUSPD_WLCDRFU1 (0x6<<12) /* LCD RFU */ #define BCUSPD_WLCDRFU2 (0x5<<12) /* LCD RFU */ #define BCUSPD_WLCDRFU3 (0x4<<12) /* LCD RFU */ #define BCUSPD_WLCD2T (0x3<<12) /* LCD 2TClock */ #define BCUSPD_WLCD4T (0x2<<12) /* LCD 4TClock */ #define BCUSPD_WLCD6T (0x1<<12) /* LCD 6TClock */ #define BCUSPD_WLCD8T (0x0<<12) /* LCD 8TClock */ /* BCUCNT1_ISAMLCD == BCUCNT1_ISAM */ #define BCUSPD_ISAM1T (0x7<<12) /* ISAM 1TClock */ #define BCUSPD_ISAM2T (0x6<<12) /* ISAM 2TClock */ #define BCUSPD_ISAM3T (0x5<<12) /* ISAM 3TClock */ #define BCUSPD_ISAM4T (0x4<<12) /* ISAM 4TClock */ #define BCUSPD_ISAM5T (0x3<<12) /* ISAM 5TClock */ #define BCUSPD_ISAM6T (0x2<<12) /* ISAM 6TClock */ #define BCUSPD_ISAM7T (0x1<<12) /* ISAM 7TClock */ #define BCUSPD_ISAM8T (0x0<<12) /* ISAM 8TClock */ #define BCUSPD_WISAA (0x7<<4) /* System Bus Access Speed */ #define BCUSPD_WISAA3T (0x5<<4) /* 3TClock */ #define BCUSPD_WISAA4T (0x4<<4) /* 4TClock */ #define BCUSPD_WISAA5T (0x3<<4) /* 5TClock */ #define BCUSPD_WISAA6T (0x2<<4) /* 6TClock */ #define BCUSPD_WISAA7T (0x1<<4) /* 7TClock */ #define BCUSPD_WISAA8T (0x0<<4) /* 8TClock */ #define BCUSPD_WROMA (0x7<<0) /* System Bus Access Speed */ #define BCUSPD_WROMA2T (0x7<<0) /* 2TClock */ #define BCUSPD_WROMA3T (0x6<<0) /* 3TClock */ #define BCUSPD_WROMA4T (0x5<<0) /* 4TClock */ #define BCUSPD_WROMA5T (0x4<<0) /* 5TClock */ #define BCUSPD_WROMA6T (0x3<<0) /* 6TClock */ #define BCUSPD_WROMA7T (0x2<<0) /* 7TClock */ #define BCUSPD_WROMA8T (0x1<<0) /* 8TClock */ #define BCUSPD_WROMA9T (0x0<<0) /* 9TClock */ #define BCUERRST_REG_W 0x00C /* BCU BUS ERROR Status Register */ #define BCUERRST_BUSERRMASK (1) /* Bus error, clear to 0 when 1 is written */ #define BCUERRST_BUSERR (1) /* Bus error */ #define BCUERRST_BUSNORM (0) /* Normal */ #define BCURFCNT_REG_W 0x00E /* BCU Refresh Control Register */ #define BCURFCNT_MASK 0x3fff /* refresh interval MASK */ #define BCUREVID_REG_W 0x010 /* BCU Revision ID Register */ #define BCUREVID_RIDMASK (0x7<<12) /* Revision ID */ #define BCUREVID_RIDSHFT (12) /* Revision ID */ #define BCUREVID_RID_4121 (0x3) /* VR4121 */ #define BCUREVID_RID_4111 (0x2) /* VR4111 */ #define BCUREVID_RID_4102 (0x1) /* VR4102 */ #define BCUREVID_RID_4101 (0x0) /* VR4101 */ #define BCUREVID_MJREVMASK (0x7<<8) /* Major Revision */ #define BCUREVID_MJREVSHFT (8) /* Major Revision */ #define BCUREVID_MNREVMASK (0x7) /* Minor Revision */ #define BCUREVID_MNREVSHFT (0) /* Minor Revision */ #define BCUREFCOUNT_REG_W 0x012 /* BCU Refresh Count Register */ #define BCUREFCOUNT_MASK 0x3fff /* refresh count MASK */ #define BCUCLKSPEED_REG_W 0x014 /* Clock Speed Register */ #define BCUCLKSPEED_DIVT2B (1<<15) /* (= vr4102, vr4111) */ #define BCUCLKSPEED_DIVT3B (1<<14) /* (= vr4111) */ #define BCUCLKSPEED_DIVT4B (1<<13) /* (= vr4111) */ #define BCUCLKSPEED_DIVTMASK (0xf<<12) /* (= vr4121) */ #define BCUCLKSPEED_DIVT3 0x3 #define BCUCLKSPEED_DIVT4 0x4 #define BCUCLKSPEED_DIVT5 0x5 #define BCUCLKSPEED_DIVT6 0x6 #define BCUCLKSPEED_DIVTSHFT (12) #define BCUCLKSPEED_DIVVTMASK (0xf<<8) /* (= vr4121) */ #define BCUCLKSPEED_DIVVT1 0x1 #define BCUCLKSPEED_DIVVT2 0x2 #define BCUCLKSPEED_DIVVT3 0x3 #define BCUCLKSPEED_DIVVT4 0x4 #define BCUCLKSPEED_DIVVT5 0x5 #define BCUCLKSPEED_DIVVT6 0x6 #define BCUCLKSPEED_DIVVT1_5 0x9 #define BCUCLKSPEED_DIVVT2_5 0xa #define BCUCLKSPEED_DIVVTSHFT (8) #define BCUCLKSPEED_CLKSPMASK (0x1f) /* calculate for Clock */ #define BCUCLKSPEED_CLKSPSHFT (0) #define BCUCNT3_REG_W 0x016 /* BCU Control Register 3 (>= vr4111) */ #define BCUCNT3_EXTROMMASK (1<<15) /* ROM SIZE */ #define BCUCNT3_EXTROM64M (1<<15) /* 64Mbit DRAM */ #define BCUCNT3_EXTROM32M (0<<15) /* 32Mbit DRAM */ #define BCUCNT3_EXTDRAMMASK (1<<14) /* DRAM SIZE */ #define BCUCNT3_EXTDRAM64M (1<<14) /* 64Mbit DRAM */ #define BCUCNT3_EXTDRAM16M (0<<14) /* 16Mbit DRAM */ #define BCUCNT3_EXTROMCS (0x3<<12) /* Bank3,2 */ #define BCUCNT3_ROMROM (0x3<<12) /* Bank3 ROM ,2 ROM */ #define BCUCNT3_ROMRAM (0x2<<12) /* Bank3 ROM ,2 RAM */ #define BCUCNT3_RAMRAM (0x0<<12) /* Bank3 RAM ,2 RAM */ #define BCUCNT3_EXTMEM (1<<11) /* EXT MEN enable */ #define BCUCNT3_EXTMEMEN (1<<11) /* EXT MEN enable */ #define BCUCNT3_EXTMEMDS (0<<11) /* EXT MEN disable */ #define BCUCNT3_LCDSIZE (1<<7) /* LCD bus size */ #define BCUCNT3_LCD32 (1<<7) /* LCD bus 32bit */ #define BCUCNT3_LCD16 (0<<7) /* LCD bus 16bit */ /* END bcureg.h */