1d888a9784
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6535 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
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* Copyright (C) 2007 AMD
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* (Written by Yinghai Lu <yinghai.lu@amd.com> for AMD)
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* Copyright (C) 2007 Ward Vandewege <ward@gnu.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <device/device.h>
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#include <device/pnp.h>
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#include <console/console.h>
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#include <uart8250.h>
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#include <pc80/keyboard.h>
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#include <arch/io.h>
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#include <stdlib.h>
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#include "chip.h"
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#include "it8716f.h"
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static void pnp_enter_ext_func_mode(device_t dev)
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{
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u16 port = dev->path.pnp.port;
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outb(0x87, port);
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outb(0x01, port);
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outb(0x55, port);
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outb((port == 0x4e) ? 0xaa : 0x55, port);
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}
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static void pnp_exit_ext_func_mode(device_t dev)
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{
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pnp_write_config(dev, 0x02, 0x02);
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}
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#if !CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL
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static void pnp_write_index(u16 port_base, u8 reg, u8 value)
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{
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outb(reg, port_base);
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outb(value, port_base + 1);
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}
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static u8 pnp_read_index(u16 port_base, u8 reg)
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{
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outb(reg, port_base);
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return inb(port_base + 1);
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}
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static void init_ec(u16 base)
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{
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u8 value;
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/* Read out current value of FAN_CTL (0x14). */
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value = pnp_read_index(base, 0x14);
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printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, read value = 0x%02x\n",
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base + 0x14, value);
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/* Set FAN_CTL (0x14) polarity to high, activate fans 1, 2 and 3. */
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pnp_write_index(base, 0x14, value | 0x87);
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printk(BIOS_DEBUG, "FAN_CTL: reg = 0x%04x, writing value = 0x%02x\n",
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base + 0x14, value | 0x87);
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}
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#endif
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static void it8716f_init(device_t dev)
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{
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struct superio_ite_it8716f_config *conf = dev->chip_info;
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struct resource *res0;
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if (!dev->enabled)
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return;
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/* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */
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switch (dev->path.pnp.device) {
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case IT8716F_EC:
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res0 = find_resource(dev, PNP_IDX_IO0);
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#define EC_INDEX_PORT 5
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init_ec(res0->base + EC_INDEX_PORT);
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break;
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case IT8716F_KBCK:
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pc_keyboard_init(&conf->keyboard);
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break;
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}
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}
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static void it8716f_pnp_set_resources(device_t dev)
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{
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pnp_enter_ext_func_mode(dev);
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pnp_set_resources(dev);
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pnp_exit_ext_func_mode(dev);
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}
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static void it8716f_pnp_enable_resources(device_t dev)
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{
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pnp_enter_ext_func_mode(dev);
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pnp_enable_resources(dev);
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pnp_exit_ext_func_mode(dev);
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}
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static void it8716f_pnp_enable(device_t dev)
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{
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pnp_enter_ext_func_mode(dev);
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, !!dev->enabled);
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pnp_exit_ext_func_mode(dev);
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}
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static struct device_operations ops = {
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.read_resources = pnp_read_resources,
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.set_resources = it8716f_pnp_set_resources,
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.enable_resources = it8716f_pnp_enable_resources,
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.enable = it8716f_pnp_enable,
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.init = it8716f_init,
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};
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static struct pnp_info pnp_dev_info[] = {
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{ &ops, IT8716F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
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{ &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
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{ &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
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{ &ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
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{ &ops, IT8716F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, },
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{ &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07ff, 4}, },
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{ &ops, IT8716F_KBCM, PNP_IRQ0, },
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{ &ops, IT8716F_GPIO, PNP_IO1 | PNP_IO2, {0, 0}, {0x07f8, 0}, {0x07f8, 0}, },
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{ &ops, IT8716F_MIDI, PNP_IO0 | PNP_IRQ0, {0x07fe, 4}, },
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{ &ops, IT8716F_GAME, PNP_IO0, {0x07ff, 0}, },
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{ &ops, IT8716F_IR, },
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};
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static void enable_dev(struct device *dev)
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{
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pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
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}
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struct chip_operations superio_ite_it8716f_ops = {
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CHIP_NAME("ITE IT8716F Super I/O")
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.enable_dev = enable_dev,
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};
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