1 /* $NetBSD: led.c,v 1.6 2008/04/28 20:23:10 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: led.c,v 1.6 2008/04/28 20:23:10 martin Exp $"); 34 35 #include "opt_algor_p4032.h" 36 #include "opt_algor_p5064.h" 37 #include "opt_algor_p6032.h" 38 39 #include <sys/param.h> 40 41 #include <machine/autoconf.h> 42 43 #ifdef ALGOR_P4032 44 #include <algor/algor/algor_p4032reg.h> 45 #endif 46 47 #ifdef ALGOR_P5064 48 #include <algor/algor/algor_p5064reg.h> 49 #endif 50 51 #ifdef ALGOR_P6032 52 #include <algor/algor/algor_p6032reg.h> 53 #endif 54 55 #if defined(ALGOR_P4032) 56 #define LEDBASE MIPS_PHYS_TO_KSEG1(P4032_LED) 57 #define LED(x) ((3 - (x)) * 4) 58 #elif defined(ALGOR_P5064) 59 #define LEDBASE MIPS_PHYS_TO_KSEG1(P5064_LED1) 60 #define LED(x) ((3 - (x)) * 4) 61 #elif defined(ALGOR_P6032) 62 #define HD2532_STRIDE 4 63 #define HD2532_NFLASH_OFFSET 0x80 64 #define HD2532_CRAM (HD2532_NFLASH_OFFSET + (0x18 * HD2532_STRIDE)) 65 #define LEDBASE MIPS_PHYS_TO_KSEG1(P6032_HDSP2532_BASE + HD2532_CRAM) 66 #define LED(x) ((x) * HD2532_STRIDE) 67 #endif 68 69 /* 70 * led_display: 71 * 72 * Set the LED display to the characters provided. 73 */ 74 void 75 led_display(u_int8_t a, u_int8_t b, u_int8_t c, u_int8_t d) 76 { 77 u_int8_t *leds = (u_int8_t *) LEDBASE; 78 79 leds[LED(0)] = a; 80 leds[LED(1)] = b; 81 leds[LED(2)] = c; 82 leds[LED(3)] = d; 83 #if defined(ALGOR_P6032) /* XXX Should support these */ 84 leds[LED(4)] = ' '; 85 leds[LED(5)] = ' '; 86 leds[LED(6)] = ' '; 87 leds[LED(7)] = ' '; 88 #endif 89 } 90