61 строка
1.6 KiB
C
61 строка
1.6 KiB
C
/*
|
|
* arch/mips/emma2rh/markeins/led.c
|
|
* This file defines the led display for Mark-eins.
|
|
*
|
|
* Copyright (C) NEC Electronics Corporation 2004-2006
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/string.h>
|
|
#include <asm/emma2rh/emma2rh.h>
|
|
|
|
const unsigned long clear = 0x20202020;
|
|
|
|
#define LED_BASE 0xb1400038
|
|
|
|
void markeins_led_clear(void)
|
|
{
|
|
emma2rh_out32(LED_BASE, clear);
|
|
emma2rh_out32(LED_BASE + 4, clear);
|
|
}
|
|
|
|
void markeins_led(const char *str)
|
|
{
|
|
int i;
|
|
int len = strlen(str);
|
|
|
|
markeins_led_clear();
|
|
if (len > 8)
|
|
len = 8;
|
|
|
|
if (emma2rh_in32(0xb0000800) & (0x1 << 18))
|
|
for (i = 0; i < len; i++)
|
|
emma2rh_out8(LED_BASE + i, str[i]);
|
|
else
|
|
for (i = 0; i < len; i++)
|
|
emma2rh_out8(LED_BASE + (i & 4) + (3 - (i & 3)),
|
|
str[i]);
|
|
}
|
|
|
|
void markeins_led_hex(u32 val)
|
|
{
|
|
char str[10];
|
|
|
|
sprintf(str, "%08x", val);
|
|
markeins_led(str);
|
|
}
|