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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Joseph Smith <joe@settoplinux.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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#define PME_DEV PNP_DEV(0x2e, 0x0a)
#define PME_IO_BASE_ADDR 0x800 /* Runtime register base address */
#define ICH_IO_BASE_ADDR 0x00000500 /* GPIO base address register */
/* Early mainboard specific GPIO setup. */
static void mb_gpio_init(void)
{
device_t dev;
uint16_t port;
uint32_t set_gpio;
/* Southbridge GPIOs. */
/* Set the LPC device statically. */
dev = PCI_DEV(0x0, 0x1f, 0x0);
/* Set the value for GPIO base address register and enable GPIO. */
pci_write_config32(dev, GPIO_BASE, (ICH_IO_BASE_ADDR | 1));
pci_write_config8(dev, GPIO_CNTL, 0x10);
/* Set GPIO23 to high, this enables the LAN controller. */
udelay(10);
set_gpio = inl(ICH_IO_BASE_ADDR + 0x0c);
set_gpio |= 1 << 23;
outl(set_gpio, ICH_IO_BASE_ADDR + 0x0c);
/* Disable AC97 Modem */
pci_write_config8(dev, 0xf2, 0x40);
/* Super I/O GPIOs. */
dev = PME_DEV;
port = dev >> 8;
/* Enter the configuration state. */
outb(0x55, port);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, PME_IO_BASE_ADDR);
pnp_set_enable(dev, 1);
/* GP21 - LED_RED */
outl(0x01, PME_IO_BASE_ADDR + 0x2c);
/* GP30 - FAN2_TACH */
outl(0x05, PME_IO_BASE_ADDR + 0x33);
/* GP31 - FAN1_TACH */
outl(0x05, PME_IO_BASE_ADDR + 0x34);
/* GP32 - FAN2_CTRL */
outl(0x04, PME_IO_BASE_ADDR + 0x35);
/* GP33 - FAN1_CTRL */
outl(0x04, PME_IO_BASE_ADDR + 0x36);
/* GP34 - AUD_MUTE_OUT_R */
outl(0x00, PME_IO_BASE_ADDR + 0x37);
/* GP36 - KBRST */
outl(0x00, PME_IO_BASE_ADDR + 0x39);
/* GP37 - A20GATE */
outl(0x00, PME_IO_BASE_ADDR + 0x3a);
/* GP42 - GPIO_PME_OUT */
outl(0x00, PME_IO_BASE_ADDR + 0x3d);
/* GP50 - SER2_RI */
outl(0x05, PME_IO_BASE_ADDR + 0x3f);
/* GP51 - SER2_DCD */
outl(0x05, PME_IO_BASE_ADDR + 0x40);
/* GP52 - SER2_RX */
outl(0x05, PME_IO_BASE_ADDR + 0x41);
/* GP53 - SER2_TX */
outl(0x04, PME_IO_BASE_ADDR + 0x42);
/* GP55 - SER2_RTS */
outl(0x04, PME_IO_BASE_ADDR + 0x44);
/* GP56 - SER2_CTS */
outl(0x05, PME_IO_BASE_ADDR + 0x45);
/* GP57 - SER2_DTR */
outl(0x04, PME_IO_BASE_ADDR + 0x46);
/* GP60 - LED_GREEN */
outl(0x01, PME_IO_BASE_ADDR + 0x47);
/* GP61 - LED_YELLOW */
outl(0x01, PME_IO_BASE_ADDR + 0x48);
/* GP3 */
outl(0xc0, PME_IO_BASE_ADDR + 0x4d);
/* GP4 */
outl(0x04, PME_IO_BASE_ADDR + 0x4e);
/* FAN1 */
outl(0x01, PME_IO_BASE_ADDR + 0x56);
/* FAN2 */
outl(0x01, PME_IO_BASE_ADDR + 0x57);
/* Fan Control */
outl(0x50, PME_IO_BASE_ADDR + 0x58);
/* Fan1 Tachometer */
outl(0xff, PME_IO_BASE_ADDR + 0x59);
/* Fan2 Tachometer */
outl(0xff, PME_IO_BASE_ADDR + 0x5a);
/* LED1 */
outl(0x00, PME_IO_BASE_ADDR + 0x5d);
/* LED2 */
outl(0x00, PME_IO_BASE_ADDR + 0x5e);
/* Keyboard Scan Code */
outl(0x00, PME_IO_BASE_ADDR + 0x5f);
/* Exit the configuration state. */
outb(0xaa, port);
}
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