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/*
* This file is part of the coreboot project.
*
* Copyright 2016 Google Inc.
*
* 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.
*/
#include <arch/acpi.h>
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <rules.h>
#include <soc/southbridge.h>
#include <variant/ec.h>
static void ramstage_ec_init(void)
{
const struct google_chromeec_event_info info = {
.log_events = MAINBOARD_EC_LOG_EVENTS,
.sci_events = MAINBOARD_EC_SCI_EVENTS,
.s3_wake_events = MAINBOARD_EC_S3_WAKE_EVENTS,
.s5_wake_events = MAINBOARD_EC_S5_WAKE_EVENTS,
};
printk(BIOS_DEBUG, "mainboard: EC init\n");
google_chromeec_events_init(&info, acpi_is_wakeup_s3());
}
static void early_ec_init(void)
{
uint16_t ec_ioport_base;
size_t ec_ioport_size;
int status;
/*
* Set up LPC decoding for the ChromeEC I/O port ranges:
* - Ports 62/66, 60/64, and 200->208
* -- set by hudson_lpc_decode() in pre
* - ChromeEC specific communication I/O ports.
*/
google_chromeec_ioport_range(&ec_ioport_base, &ec_ioport_size);
printk(BIOS_DEBUG,
"LPC Setup google_chromeec_ioport_range: %04x, %08zx\n",
ec_ioport_base, ec_ioport_size);
status = sb_set_wideio_range(ec_ioport_base, ec_ioport_size);
if (status == WIDEIO_RANGE_ERROR)
printk(BIOS_WARNING, "ERROR: Failed to assign a range\n");
else
printk(BIOS_DEBUG, "Range assigned to wide IO %d\n", status);
}
void mainboard_ec_init(void)
{
if (ENV_RAMSTAGE)
ramstage_ec_init();
else
early_ec_init();
}
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