iris_cons.c revision 1.1.2.2
1 1.1.2.2 pgoyette /* $NetBSD: iris_cons.c,v 1.1.2.2 2019/01/18 08:50:23 pgoyette Exp $ */ 2 1.1.2.2 pgoyette 3 1.1.2.2 pgoyette /* 4 1.1.2.2 pgoyette * Copyright (c) 2018 Naruaki Etomi 5 1.1.2.2 pgoyette * All rights reserved. 6 1.1.2.2 pgoyette * 7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.1.2.2 pgoyette * are met: 10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.1.2.2 pgoyette * 16 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 pgoyette * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.2.2 pgoyette * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.2.2 pgoyette * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.2.2 pgoyette * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 1.1.2.2 pgoyette * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 1.1.2.2 pgoyette * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 1.1.2.2 pgoyette * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 1.1.2.2 pgoyette * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 1.1.2.2 pgoyette * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 1.1.2.2 pgoyette */ 27 1.1.2.2 pgoyette 28 1.1.2.2 pgoyette /* 29 1.1.2.2 pgoyette * Silicon Graphics "IRIS" series MIPS processors machine bootloader. 30 1.1.2.2 pgoyette * Front end of Zilog Z8530 Dual UART driver. 31 1.1.2.2 pgoyette */ 32 1.1.2.2 pgoyette 33 1.1.2.2 pgoyette #include <lib/libsa/stand.h> 34 1.1.2.2 pgoyette 35 1.1.2.2 pgoyette #include <machine/cpu.h> 36 1.1.2.2 pgoyette 37 1.1.2.2 pgoyette #include "iris_machdep.h" 38 1.1.2.2 pgoyette #include "iris_cons.h" 39 1.1.2.2 pgoyette #include "iris_zs.h" 40 1.1.2.2 pgoyette 41 1.1.2.2 pgoyette void zscnprobe(struct consdev *); 42 1.1.2.2 pgoyette void zscninit(struct consdev *); 43 1.1.2.2 pgoyette void zscnputchar(void *, int); 44 1.1.2.2 pgoyette int zscngetchar(void *); 45 1.1.2.2 pgoyette int zscnscan(void *); 46 1.1.2.2 pgoyette 47 1.1.2.2 pgoyette #define ZSCHAN 0x0 48 1.1.2.2 pgoyette #define ZSSPEED 9600 49 1.1.2.2 pgoyette 50 1.1.2.2 pgoyette struct consdev constab[] = { 51 1.1.2.2 pgoyette { "zs", ZSCHAN, ZSSPEED, 52 1.1.2.2 pgoyette zscnprobe, zscninit, zscngetchar, zscnputchar, zscnscan }, 53 1.1.2.2 pgoyette { 0 } 54 1.1.2.2 pgoyette }; 55 1.1.2.2 pgoyette 56 1.1.2.2 pgoyette struct consdev *cn_tab; 57 1.1.2.2 pgoyette 58 1.1.2.2 pgoyette char * 59 1.1.2.2 pgoyette cninit(int *addr, int *speed) 60 1.1.2.2 pgoyette { 61 1.1.2.2 pgoyette struct consdev *cp; 62 1.1.2.2 pgoyette 63 1.1.2.2 pgoyette cn_tab = NULL; 64 1.1.2.2 pgoyette for (cp = constab; cp->cn_probe; cp++) { 65 1.1.2.2 pgoyette (*cp->cn_probe)(cp); 66 1.1.2.2 pgoyette if (cp->cn_pri > CN_DEAD && 67 1.1.2.2 pgoyette (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 68 1.1.2.2 pgoyette cn_tab = cp; 69 1.1.2.2 pgoyette } 70 1.1.2.2 pgoyette if (cn_tab) { 71 1.1.2.2 pgoyette (*cn_tab->cn_init)(cn_tab); 72 1.1.2.2 pgoyette *addr = cn_tab->address; 73 1.1.2.2 pgoyette *speed = cn_tab->speed; 74 1.1.2.2 pgoyette return cn_tab->cn_name; 75 1.1.2.2 pgoyette } 76 1.1.2.2 pgoyette 77 1.1.2.2 pgoyette return NULL; 78 1.1.2.2 pgoyette } 79 1.1.2.2 pgoyette 80 1.1.2.2 pgoyette int 81 1.1.2.2 pgoyette cngetc(void) 82 1.1.2.2 pgoyette { 83 1.1.2.2 pgoyette 84 1.1.2.2 pgoyette if (cn_tab) 85 1.1.2.2 pgoyette return (*cn_tab->cn_getc)(cn_tab->cn_dev); 86 1.1.2.2 pgoyette return 0; 87 1.1.2.2 pgoyette } 88 1.1.2.2 pgoyette 89 1.1.2.2 pgoyette void 90 1.1.2.2 pgoyette cnputc(int c) 91 1.1.2.2 pgoyette { 92 1.1.2.2 pgoyette 93 1.1.2.2 pgoyette if (cn_tab) 94 1.1.2.2 pgoyette (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 95 1.1.2.2 pgoyette } 96 1.1.2.2 pgoyette 97 1.1.2.2 pgoyette int 98 1.1.2.2 pgoyette cnscan(void) 99 1.1.2.2 pgoyette { 100 1.1.2.2 pgoyette 101 1.1.2.2 pgoyette if (cn_tab) 102 1.1.2.2 pgoyette return (*cn_tab->cn_scan)(cn_tab->cn_dev); 103 1.1.2.2 pgoyette return -1; 104 1.1.2.2 pgoyette } 105 1.1.2.2 pgoyette 106 1.1.2.2 pgoyette void 107 1.1.2.2 pgoyette zscnprobe(struct consdev *cp) 108 1.1.2.2 pgoyette { 109 1.1.2.2 pgoyette 110 1.1.2.2 pgoyette cp->cn_pri = CN_REMOTE; 111 1.1.2.2 pgoyette } 112 1.1.2.2 pgoyette 113 1.1.2.2 pgoyette void 114 1.1.2.2 pgoyette zscninit(struct consdev *cp) 115 1.1.2.2 pgoyette { 116 1.1.2.2 pgoyette 117 1.1.2.2 pgoyette cp->cn_dev = zs_init(cp->address, cp->speed); 118 1.1.2.2 pgoyette } 119 1.1.2.2 pgoyette 120 1.1.2.2 pgoyette int 121 1.1.2.2 pgoyette zscngetchar(void *dev) 122 1.1.2.2 pgoyette { 123 1.1.2.2 pgoyette 124 1.1.2.2 pgoyette return zscngetc(dev); 125 1.1.2.2 pgoyette } 126 1.1.2.2 pgoyette 127 1.1.2.2 pgoyette void 128 1.1.2.2 pgoyette zscnputchar(void *dev, int c) 129 1.1.2.2 pgoyette { 130 1.1.2.2 pgoyette 131 1.1.2.2 pgoyette if (c == '\n') 132 1.1.2.2 pgoyette zscnputc(dev, '\r'); 133 1.1.2.2 pgoyette zscnputc(dev, c); 134 1.1.2.2 pgoyette } 135 1.1.2.2 pgoyette 136 1.1.2.2 pgoyette int 137 1.1.2.2 pgoyette zscnscan(void *dev) 138 1.1.2.2 pgoyette { 139 1.1.2.2 pgoyette 140 1.1.2.2 pgoyette return zscnscanc(dev); 141 1.1.2.2 pgoyette } 142
Indexes created Fri Oct 03 02:09:57 GMT 2025