blob: 106ab0ea4280ed83b22fd7ee9e473753316dd6c0 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
*
* 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 <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <superio/conf_mode.h>
#include <console/console.h>
#include "chip.h"
#include "f81216h.h"
static void pnp_enter_ext_func_mode(struct device *dev)
{
const struct superio_fintek_f81216h_config *conf = dev->chip_info;
u8 key;
/**
* KEY1 KEY0 Enter key
* 0 0 0x77 (default)
* 0 1 0xA0
* 1 0 0x87
* 1 1 0x67
*
* See page 17 of data sheet.
*/
switch (conf->conf_key_mode) {
case MODE_6767:
case MODE_7777:
case MODE_8787:
case MODE_A0A0:
key = conf->conf_key_mode;
break;
default:
printk(BIOS_WARNING, "Warning: Undefined F81216 unlock key assignment!\n");
printk(BIOS_WARNING, "Setting conf_key_mode to default\n");
key = MODE_7777; /* try the hw default */
break;
}
outb(key, dev->path.pnp.port);
outb(key, dev->path.pnp.port);
}
static void pnp_exit_ext_func_mode(struct device *dev)
{
outb(0xaa, dev->path.pnp.port);
}
static const struct pnp_mode_ops pnp_conf_mode_ops = {
.enter_conf_mode = pnp_enter_ext_func_mode,
.exit_conf_mode = pnp_exit_ext_func_mode,
};
static void f81216h_init(struct device *dev)
{
if (!dev->enabled)
return;
switch (dev->path.pnp.device) {
case F81216H_SP1:
case F81216H_SP2:
case F81216H_SP3:
case F81216H_SP4:
case F81216H_WDT:
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 = f81216h_init,
.ops_pnp_mode = &pnp_conf_mode_ops,
};
static struct pnp_info pnp_dev_info[] = {
{ NULL, F81216H_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, },
{ NULL, F81216H_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, },
{ NULL, F81216H_SP3, PNP_IO0 | PNP_IRQ0, 0x07f8, },
{ NULL, F81216H_SP4, PNP_IO0 | PNP_IRQ0, 0x07f8, },
{ NULL, F81216H_WDT, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_fintek_f81216h_ops = {
CHIP_NAME("Fintek F81216H/D/DG/F/FG Super I/O")
.enable_dev = enable_dev
};