blob: b5198e7d51f9e6eb8162a07791ef7316970ce7b9 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 secunet Security Networks AG
* Copyright (C) 2017 Samuel Holland <samuel@sholland.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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <device/device.h>
#include <device/pnp.h>
#include <pc80/keyboard.h>
#include <option.h>
#include <superio/ite/common/env_ctrl.h>
#include <superio/conf_mode.h>
#include <types.h>
#include "chip.h"
#include "it8720f.h"
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#define MAINBOARD_POWER_KEEP 2
static void power_control_init(struct device *dev)
{
int power_on = MAINBOARD_POWER_OFF;
u8 value;
get_option(&power_on, "power_on_after_fail");
pnp_enter_conf_mode(dev);
pnp_set_logical_device(dev);
value = pnp_read_config(dev, IT8720F_EC_PCR1);
if (power_on == MAINBOARD_POWER_KEEP)
value |= (1 << 5);
else
value &= ~(1 << 5);
pnp_write_config(dev, IT8720F_EC_PCR1, value);
value = pnp_read_config(dev, IT8720F_EC_PCR2);
if (power_on == MAINBOARD_POWER_ON)
value |= (1 << 5);
else
value &= ~(1 << 5);
pnp_write_config(dev, IT8720F_EC_PCR2, value);
pnp_exit_conf_mode(dev);
}
static void it8720f_init(struct device *dev)
{
const struct superio_ite_it8720f_config *conf;
const struct resource *res;
if (!dev->enabled)
return;
switch (dev->path.pnp.device) {
case IT8720F_EC:
conf = dev->chip_info;
res = find_resource(dev, PNP_IDX_IO0);
if (!conf || !res)
break;
ite_ec_init(res->base, &conf->ec);
power_control_init(dev);
break;
case IT8720F_KBCK:
pc_keyboard_init(NO_AUX_DEVICE);
break;
default:
break;
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = pnp_enable_resources,
.enable = pnp_enable,
.init = it8720f_init,
.ops_pnp_mode = &pnp_conf_mode_870155_aa,
};
static struct pnp_info pnp_dev_info[] = {
{ NULL, IT8720F_FDC,
PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_MSC0 | PNP_MSC1,
0x0ff8, },
{ NULL, IT8720F_SP1,
PNP_IO0 | PNP_IRQ0 | PNP_MSC0 | PNP_MSC1,
0x0ff8, },
{ NULL, IT8720F_SP2,
PNP_IO0 | PNP_IRQ0 | PNP_MSC0 | PNP_MSC1,
0x0ff8, },
{ NULL, IT8720F_PP,
PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_DRQ0 | PNP_MSC0,
0x0ff8, 0x0ffc, },
{ NULL, IT8720F_EC,
PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_MSC0 | PNP_MSC1 | PNP_MSC2 |
PNP_MSC3 | PNP_MSC4 | PNP_MSC5 | PNP_MSC6,
0x0ff8, 0x0ffc, },
{ NULL, IT8720F_KBCK,
PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_MSC0,
0x0fff, 0x0fff, },
{ NULL, IT8720F_KBCM,
PNP_IRQ0 | PNP_MSC0, },
{ NULL, IT8720F_GPIO,
PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_MSC0 | PNP_MSC1 | PNP_MSC2 |
PNP_MSC3 | PNP_MSC4 | PNP_MSC5 | PNP_MSC6 | PNP_MSC7 |
PNP_MSC8 | PNP_MSC9 | PNP_MSCA | PNP_MSCB | PNP_MSCD | PNP_MSCE,
0x0ff8, 0x0ff8, 0x0ff8, },
{ NULL, IT8720F_CIR,
PNP_IO0 | PNP_IRQ0 | PNP_MSC0,
0x0ff8, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8720f_ops = {
CHIP_NAME("ITE IT8720F Super I/O")
.enable_dev = enable_dev,
};