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[PATCH 4/5] [loongson] yeeloong2f: cleanup the reset logic with ec_write

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 4/5] [loongson] yeeloong2f: cleanup the reset logic with ec_write function
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 20 Nov 2009 01:34:27 +0800
Cc: linux-mips@linux-mips.org, zhangfx@lemote.com, yanh@lemote.com, huhb@lemote.com, Wu Zhangjin <wuzhangjin@gmail.com>
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A commen ec_read/ec_write function is defined in "[loongson] yeeloong2f:
add basic ec operations", So, we can use it here to cleanup the reset
logic of yeeloong2f netbook.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
---
 arch/mips/loongson/lemote-2f/reset.c |   21 ++-------------------
 1 files changed, 2 insertions(+), 19 deletions(-)

diff --git a/arch/mips/loongson/lemote-2f/reset.c 
b/arch/mips/loongson/lemote-2f/reset.c
index 44bb984..51d1a60 100644
--- a/arch/mips/loongson/lemote-2f/reset.c
+++ b/arch/mips/loongson/lemote-2f/reset.c
@@ -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
-- 
1.6.2.1


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