kernel-ark/arch/mips/emma/markeins/led.c
Ralf Baechle 49316cbf0a MIPS: Eleminate filenames from comments
They tend to get not updated when files are moved around or copied and
lack any obvious use.  While at it zap some only too obvious comments and
as per Shinya's suggestion, add a copyright header to extable.c.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
2009-08-03 17:52:40 +01:00

58 lines
1.5 KiB
C

/*
* 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/emma/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);
}