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MIPS: Yeeloong 2F: Cleanup reset logic using the new ec_write function 

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/683/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Wu Zhangjin 2009-11-21 19:05:25 +08:00 committed by Ralf Baechle
parent cb1ed9e117
commit 70ab711df4
1 changed files with 2 additions and 19 deletions
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21
arch/mips/loongson/lemote-2f/reset.c
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@ -20,6 +20,7 @@
#include <loongson.h>
#include <cs5536/cs5536.h>
#include "ec_kb3310b.h"
static void reset_cpu(void)
{
@ -75,30 +76,12 @@ static void fl2f_shutdown(void)
/* reset support for yeeloong2f and mengloong2f notebook */
/*
* The following registers are determined by the EC index configuration.
* 1. fill the PORT_HIGH as EC register high part.
* 2. fill the PORT_LOW as EC register low part.
* 3. fill the PORT_DATA as EC register write data or get the data from it.
*/
#define EC_IO_PORT_HIGH 0x0381
#define EC_IO_PORT_LOW 0x0382
#define EC_IO_PORT_DATA 0x0383
#define REG_RESET_HIGH 0xF4 /* reset the machine auto-clear : rd/wr */
#define REG_RESET_LOW 0xEC
#define BIT_RESET_ON (1 << 0)
void ml2f_reboot(void)
{
reset_cpu();
/* sending an reset signal to EC(embedded controller) */
outb(REG_RESET_HIGH, EC_IO_PORT_HIGH);
outb(REG_RESET_LOW, EC_IO_PORT_LOW);
mmiowb();
outb(BIT_RESET_ON, EC_IO_PORT_DATA);
mmiowb();
ec_write(REG_RESET, BIT_RESET_ON);
}
#define yl2f89_reboot ml2f_reboot