1 /* $NetBSD: piocreg.h,v 1.1 2001/10/05 22:27:53 reinoud Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Mark Brinicombe. 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Mark Brinicombe. 18 * 4. The name of the company nor the name of the author may be used to 19 * endorse or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * Peripheral I/O controller registers 35 */ 36 37 /* 38 * 39 */ 40 41 #define PIOC_SIZE (0x1000 + 0x2000) /* XXX */ 42 43 /* 44 * I/O registers for managing PIOC configuration 45 */ 46 47 #define PIOC_CM_SELECT_REG 0x3f0 48 #define PIOC_CM_DATA_REG 0x3f1 49 50 /* 51 * Bytes to write to the select register to switch in and out for config mode 52 */ 53 54 #define PIOC_CM_ENTER_665 0x55 /* SMC FDC37GT665 */ 55 #define PIOC_CM_ENTER_666 0x44 /* SMC FDC37GT666 */ 56 #define PIOC_CM_EXIT 0xaa 57 58 /* 59 * Configuration register selection codes 60 */ 61 62 #define PIOC_CM_CR0 0x0 /* IDE and floppy setup */ 63 #define PIOC_WDC_ENABLE 0x01 /* wdc enable */ 64 #define PIOC_FDC_ENABLE 0x10 /* fdc enable */ 65 #define PIOC_CM_CR1 0x1 /* parallel and serial setup */ 66 #define PIOC_LPT_ADDR_MASK 0x03 /* lpt address mask */ 67 #define PIOC_LPT_ADDR_DISABLE 0x00 /* lpt disabled */ 68 #define PIOC_LPT_ADDR_1 0x01 /* lpt address 1 */ 69 #define PIOC_LPT_ADDR_2 0x02 /* lpt address 2 */ 70 #define PIOC_LPT_ADDR_3 0x03 /* lpt address 3 */ 71 #define PIOC_CM_CR2 0x2 /* serial setup */ 72 #define PIOC_UART1_ADDR_MASK 0x03 /* uart1 address mask */ 73 #define PIOC_UART1_ADDR_COM1 0x00 /* uart1 address com1 */ 74 #define PIOC_UART1_ADDR_COM2 0x01 /* uart1 address com2 */ 75 #define PIOC_UART1_ADDR_COM3 0x02 /* uart1 address com3 */ 76 #define PIOC_UART1_ADDR_COM4 0x03 /* uart1 address com4 */ 77 #define PIOC_UART1_ENABLE 0x04 /* uart1 enable */ 78 #define PIOC_UART2_ADDR_MASK 0x30 /* uart2 address mask */ 79 #define PIOC_UART2_ADDR_COM1 0x00 /* uart2 address com1 */ 80 #define PIOC_UART2_ADDR_COM2 0x10 /* uart2 address com2 */ 81 #define PIOC_UART2_ADDR_COM3 0x20 /* uart2 address com3 */ 82 #define PIOC_UART2_ADDR_COM4 0x30 /* uart2 address com4 */ 83 #define PIOC_UART2_ENABLE 0x40 /* uart2 enable */ 84 #define PIOC_CM_CR3 0x3 /* parallel setup */ 85 #define PIOC_CM_CR4 0x4 /* parallel and serial extended setup */ 86 #define PIOC_CM_CR5 0x5 /* floppy & IDE extended setup */ 87 #define PIOC_FDC_SECONDARY 0x01 /* fdc secondary address enable */ 88 #define PIOC_WDC_SECONDARY 0x02 /* wdc secondary address enable */ 89 #define PIOC_CM_CR6 0x6 /* floppy drive types */ 90 #define PIOC_CM_CR7 0x7 /* media ID & boot drive */ 91 #define PIOC_CM_CR8 0x8 /* PIOC address low */ 92 #define PIOC_CM_CR9 0x9 /* PIOC address high */ 93 #define PIOC_CM_CRA 0xa /* ECP FIFO threshold */ 94 #define PIOC_CM_CRB 0xb /* reserved */ 95 #define PIOC_CM_CRC 0xc /* reserved */ 96 #define PIOC_CM_CRD 0xd /* PIOC ID */ 97 #define PIOC_CM_CRE 0xe /* PIOC revision */ 98 #define PIOC_CM_CRF 0xf /* reserve for testing */ 99 #define PIOC_CM_REGS 0x10 /* number of registers */ 100 101 /* 102 * PIOC ID values 103 */ 104 105 #define PIOC_CM_ID_665 0x65 106 #define PIOC_CM_ID_666 0x66 107 108 /* 109 * PIOC offsets 110 */ 111 112 #define PIOC_FDC_PRIMARY_OFFSET 0x3f0 113 #define PIOC_FDC_SECONDARY_OFFSET 0x370 114 #define PIOC_WDC_PRIMARY_OFFSET 0x1f0 115 #define PIOC_WDC_SECONDARY_OFFSET 0x170 116 #define PIOC_LPT1_OFFSET 0x3bc 117 #define PIOC_LPT2_OFFSET 0x378 118 #define PIOC_LPT3_OFFSET 0x278 119 #define PIOC_COM1_OFFSET 0x3f8 120 #define PIOC_COM2_OFFSET 0x2f8 121 #define PIOC_COM3_OFFSET 0x338 122 #define PIOC_COM4_OFFSET 0x238 123 124 /* End of piocreg.h */ 125