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leds.c revision 1.1 
      1 /*	$NetBSD: leds.c,v 1.1 2002/03/07 14:44:03 simonb Exp $	*/
      2 
      3 /*
      4  * Copyright 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Simon Burge for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #include <sys/types.h>
     39 
     40 #include <mips/cpuregs.h>
     41 
     42 #include <evbmips/malta/maltareg.h>
     43 
     44 void
     45 led_bar(uint8_t val)
     46 {
     47 	uint8_t *ledbar = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_LEDBAR);
     48 
     49 	*ledbar = val;
     50 }
     51 
     52 void
     53 led_display_word(uint32_t val)
     54 {
     55 	uint32_t *ledbar = (uint32_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCIIWORD);
     56 
     57 	*ledbar = val;
     58 }
     59 
     60 void
     61 led_display_str(const char *str)
     62 {
     63 	uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
     64 	int i;
     65 
     66 	for (i = 0; *str != 0 && i <= MALTA_ASCIIPOS7 + 1; str++, i += 8)
     67 		leds[i] = *str;
     68 	/* Fill with spaces */
     69 	for (; i <= MALTA_ASCIIPOS7; i += 8)
     70 		leds[i] = ' ';
     71 }
     72 
     73 void
     74 led_display_char(int pos, uint8_t val)
     75 {
     76 	uint8_t *leds = (uint8_t *)MIPS_PHYS_TO_KSEG1(MALTA_ASCII_BASE);
     77 
     78 	if (pos > 7)
     79 		return;
     80 
     81 	leds[pos * 8] = val;
     82 }
     83