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mb/lenovo/x201/smihandler: Remove mainboard_io_trap_handler function 

An io_trap_handler on this board is unused in SMM.

Change-Id: Ie922f8f1a10495ae887221735c96807261508041
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36252
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
This commit is contained in:
Peter Lemenkov 2019-10-23 08:58:30 +02:00 committed by Patrick Georgi
parent dbed7865d3
commit faaea99859
2 changed files with 9 additions and 52 deletions
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22
src/mainboard/lenovo/x201/smi.h
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@ -1,22 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
*
* 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; version 2 of the License.
*
* 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.
*/
#ifndef MAINBOARD_LENOVO_X60_SMI_H
#define MAINBOARD_LENOVO_X60_SMI_H
#define SMI_DOCK_CONNECT 0x01
#define SMI_DOCK_DISCONNECT 0x02
#endif

39
src/mainboard/lenovo/x201/smihandler.c
View File

@ -24,38 +24,10 @@
#include <ec/lenovo/h8/h8.h>
#include <delay.h>
#include "dock.h"
#include "smi.h"
#define GPE_EC_SCI 1
#define GPE_EC_WAKE 13
int mainboard_io_trap_handler(int smif)
{
switch (smif) {
case SMI_DOCK_CONNECT:
ec_clr_bit(0x03, 2);
udelay(250000);
dock_connect();
ec_set_bit(0x03, 2);
/* set dock LED to indicate status */
ec_write(0x0c, 0x09);
ec_write(0x0c, 0x88);
break;
case SMI_DOCK_DISCONNECT:
ec_clr_bit(0x03, 2);
dock_disconnect();
break;
default:
return 0;
}
/* On success, the IO Trap Handler returns 1
* On failure, the IO Trap Handler returns a value != 1 */
return 1;
}
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
@ -74,12 +46,19 @@ static void mainboard_smi_handle_ec_sci(void)
/* Power loss */
case 0x50:
/* Undock Key */
mainboard_io_trap_handler(SMI_DOCK_DISCONNECT);
ec_clr_bit(0x03, 2);
dock_disconnect();
break;
case 0x37:
case 0x58:
/* Dock Event */
mainboard_io_trap_handler(SMI_DOCK_CONNECT);
ec_clr_bit(0x03, 2);
udelay(250000);
dock_connect();
ec_set_bit(0x03, 2);
/* set dock LED to indicate status */
ec_write(0x0c, 0x09);
ec_write(0x0c, 0x88);
break;
default:
break;