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[MIPS] remove unneeded button check for reset 

Removed unneeded button check for reset.
Because, the Cobalt has power switch.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Yoichi Yuasa 2007-12-12 22:20:19 +09:00 committed by Ralf Baechle
parent 991f8b6ac5
commit 71466dd477
2 changed files with 3 additions and 33 deletions
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21
arch/mips/cobalt/reset.c
View File

@ -10,7 +10,6 @@
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/leds.h>
#include <cobalt.h>
@ -29,29 +28,13 @@ device_initcall(ledtrig_power_off_init);
void cobalt_machine_halt(void)
{
int state, last, diff;
unsigned long mark;
/*
* turn on power off LED on RaQ
*
* restart if ENTER and SELECT are pressed
*/
last = COBALT_KEY_PORT;
led_trigger_event(power_off_led_trigger, LED_FULL);
for (state = 0;;) {
diff = COBALT_KEY_PORT ^ last;
last ^= diff;
if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)))
writeb(RESET, RESET_PORT);
for (mark = jiffies; jiffies - mark < HZ;)
;
}
local_irq_disable();
while (1) ;
}
void cobalt_machine_restart(char *command)

15
include/asm-mips/mach-cobalt/cobalt.h
View File

@ -1,5 +1,5 @@
/*
* Lowlevel hardware stuff for the MIPS based Cobalt microservers.
* The Cobalt board ID information.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@ -12,9 +12,6 @@
#ifndef __ASM_COBALT_H
#define __ASM_COBALT_H
/*
* The Cobalt board ID information.
*/
extern int cobalt_board_id;
#define COBALT_BRD_ID_QUBE1 0x3
@ -22,14 +19,4 @@ extern int cobalt_board_id;
#define COBALT_BRD_ID_QUBE2 0x5
#define COBALT_BRD_ID_RAQ2 0x6
#define COBALT_KEY_PORT ((~*(volatile unsigned int *) CKSEG1ADDR(0x1d000000) >> 24) & COBALT_KEY_MASK)
# define COBALT_KEY_CLEAR (1 << 1)
# define COBALT_KEY_LEFT (1 << 2)
# define COBALT_KEY_UP (1 << 3)
# define COBALT_KEY_DOWN (1 << 4)
# define COBALT_KEY_RIGHT (1 << 5)
# define COBALT_KEY_ENTER (1 << 6)
# define COBALT_KEY_SELECT (1 << 7)
# define COBALT_KEY_MASK 0xfe
#endif /* __ASM_COBALT_H */