39 lines
941 B
C
39 lines
941 B
C
/* This file is part of the coreboot project. */
|
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
#include <arch/io.h>
|
|
#include <console/console.h>
|
|
#include <cpu/x86/smm.h>
|
|
#include <soc/pm.h>
|
|
#include <soc/smm.h>
|
|
#include <elog.h>
|
|
#include <ec/google/chromeec/ec.h>
|
|
#include <soc/gpio.h>
|
|
#include <soc/iomap.h>
|
|
#include <soc/nvs.h>
|
|
#include <soc/pm.h>
|
|
#include <soc/smm.h>
|
|
#include "ec.h"
|
|
#include "gpio.h"
|
|
|
|
int mainboard_io_trap_handler(int smif)
|
|
{
|
|
switch (smif) {
|
|
case 0x99:
|
|
printk(BIOS_DEBUG, "Sample\n");
|
|
smm_get_gnvs()->smif = 0;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
/* On success, the IO Trap Handler returns 0
|
|
* On failure, the IO Trap Handler returns a value != 0
|
|
*
|
|
* For now, we force the return value to 0 and log all traps to
|
|
* see what's going on.
|
|
*/
|
|
//smm_get_gnvs()->smif = 0;
|
|
return 1;
|
|
}
|