1 /* $NetBSD: led.c,v 1.3 2001/06/22 06:02:54 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include "opt_algor_p4032.h" 40 #include "opt_algor_p5064.h" 41 #include "opt_algor_p6032.h" 42 43 #include <sys/param.h> 44 45 #include <machine/autoconf.h> 46 47 #ifdef ALGOR_P4032 48 #include <algor/algor/algor_p4032reg.h> 49 #endif 50 51 #ifdef ALGOR_P5064 52 #include <algor/algor/algor_p5064reg.h> 53 #endif 54 55 #ifdef ALGOR_P6032 56 #include <algor/algor/algor_p6032reg.h> 57 #endif 58 59 #if defined(ALGOR_P4032) 60 #define LEDBASE MIPS_PHYS_TO_KSEG1(P4032_LED) 61 #define LED(x) ((3 - (x)) * 4) 62 #elif defined(ALGOR_P5064) 63 #define LEDBASE MIPS_PHYS_TO_KSEG1(P5064_LED1) 64 #define LED(x) ((3 - (x)) * 4) 65 #elif defined(ALGOR_P6032) 66 #define HD2532_STRIDE 4 67 #define HD2532_NFLASH_OFFSET 0x80 68 #define HD2532_CRAM (HD2532_NFLASH_OFFSET + (0x18 * HD2532_STRIDE)) 69 #define LEDBASE MIPS_PHYS_TO_KSEG1(P6032_HDSP2532_BASE + HD2532_CRAM) 70 #define LED(x) ((x) * HD2532_STRIDE) 71 #endif 72 73 /* 74 * led_display: 75 * 76 * Set the LED display to the characters provided. 77 */ 78 void 79 led_display(u_int8_t a, u_int8_t b, u_int8_t c, u_int8_t d) 80 { 81 u_int8_t *leds = (u_int8_t *) LEDBASE; 82 83 leds[LED(0)] = a; 84 leds[LED(1)] = b; 85 leds[LED(2)] = c; 86 leds[LED(3)] = d; 87 #if defined(ALGOR_P6032) /* XXX Should support these */ 88 leds[LED(4)] = ' '; 89 leds[LED(5)] = ' '; 90 leds[LED(6)] = ' '; 91 leds[LED(7)] = ' '; 92 #endif 93 } 94