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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Felix Held <felix-coreboot@felixheld.de>
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
*
* 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 <console/console.h>
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <pc80/keyboard.h>
#include <pc80/mc146818rtc.h>
#include <stdlib.h>
#include <arch/acpi.h>
#include <superio/conf_mode.h>
#include "nct5572d.h"
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
static void nct5572d_init(struct device *dev)
{
uint8_t byte;
uint8_t power_status;
uint8_t mouse_detected;
if (!dev->enabled)
return;
switch(dev->path.pnp.device) {
/* TODO: Might potentially need code for HWM or FDC etc. */
case NCT5572D_KBC:
/* Enable mouse controller */
pnp_enter_conf_mode_8787(dev);
byte = pnp_read_config(dev, 0x2a);
byte &= ~(0x1 << 1);
pnp_write_config(dev, 0x2a, byte);
pnp_exit_conf_mode_aa(dev);
mouse_detected = pc_keyboard_init(PROBE_AUX_DEVICE);
if (!mouse_detected) {
printk(BIOS_INFO, "%s: Disable mouse controller.",
__func__);
pnp_enter_conf_mode_8787(dev);
byte = pnp_read_config(dev, 0x2a);
byte |= 0x1 << 1;
pnp_write_config(dev, 0x2a, byte);
pnp_exit_conf_mode_aa(dev);
}
break;
case NCT5572D_ACPI:
/* Set power state after power fail */
power_status = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
get_option(&power_status, "power_on_after_fail");
pnp_enter_conf_mode_8787(dev);
pnp_set_logical_device(dev);
byte = pnp_read_config(dev, 0xe4);
byte &= ~0x60;
if (power_status == 1)
byte |= (0x1 << 5); /* Force power on */
else if (power_status == 2)
byte |= (0x2 << 5); /* Use last power state */
pnp_write_config(dev, 0xe4, byte);
pnp_exit_conf_mode_aa(dev);
printk(BIOS_INFO, "set power %s after power fail\n", power_status ? "on" : "off");
break;
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = pnp_enable_resources,
.enable = pnp_alt_enable,
.init = nct5572d_init,
.ops_pnp_mode = &pnp_conf_mode_8787_aa,
};
static struct pnp_info pnp_dev_info[] = {
{ NULL, NCT5572D_FDC}, /* no pins, removed from datasheet */
{ NULL, NCT5572D_PP}, /* no pins, removed from datasheet */
{ NULL, NCT5572D_SP1, PNP_IO0 | PNP_IRQ0, 0x0FF8, },
{ NULL, NCT5572D_IR, PNP_IO0 | PNP_IRQ0, 0x0FF8, },
{ NULL, NCT5572D_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1,
0x0FFF, 0x0FFF, },
{ NULL, NCT5572D_CIR, PNP_IO0 | PNP_IRQ0, 0x0FF8, },
{ NULL, NCT5572D_WDT1},
{ NULL, NCT5572D_ACPI},
{ NULL, NCT5572D_HWM_TSI_FPLED, PNP_IO0 | PNP_IO1 | PNP_IRQ0,
0x0FFE, 0x0FFE, },
{ NULL, NCT5572D_PECI},
{ NULL, NCT5572D_SUSLED},
{ NULL, NCT5572D_CIRWKUP, PNP_IO0 | PNP_IRQ0, 0x0FF8, },
{ NULL, NCT5572D_GPIO_PP_OD},
{ NULL, NCT5572D_GPIO2},
{ NULL, NCT5572D_GPIO3},
{ NULL, NCT5572D_GPIO4}, /* no pins, removed from datasheet */
{ NULL, NCT5572D_GPIO5},
{ NULL, NCT5572D_GPIO6},
{ NULL, NCT5572D_GPIO7}, /* no pins, removed from datasheet */
{ NULL, NCT5572D_GPIO8},
{ NULL, NCT5572D_GPIO9},
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_nuvoton_nct5572d_ops = {
CHIP_NAME("NUVOTON NCT5572D Super I/O")
.enable_dev = enable_dev,
};
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