blob: a269b3b26cf98c23bb4e25b419f514da55478ed3 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2000 AG Electronics Ltd.
* Copyright (C) 2003-2004 Linux Networx
* Copyright (C) 2004 Tyan
* Copyright (C) 2005 Digital Design Corporation
*
* 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.
*/
/* RAM driver for SMSC LPC47B272 Super I/O chip. */
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <superio/conf_mode.h>
#include <console/console.h>
#include <device/smbus.h>
#include <string.h>
#include <pc80/keyboard.h>
#include <stdlib.h>
#include "lpc47b272.h"
/**
* Initialize the specified Super I/O device.
*
* Devices other than COM ports and the keyboard controller are ignored.
* For COM ports, we configure the baud rate.
*
* @param dev Pointer to structure describing a Super I/O device.
*/
static void lpc47b272_init(struct device *dev)
{
if (!dev->enabled)
return;
switch(dev->path.pnp.device) {
case LPC47B272_KBC:
pc_keyboard_init(NO_AUX_DEVICE);
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 = lpc47b272_init,
.ops_pnp_mode = &pnp_conf_mode_55_aa,
};
static struct pnp_info pnp_dev_info[] = {
{ &ops, LPC47B272_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
{ &ops, LPC47B272_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, },
{ &ops, LPC47B272_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, },
{ &ops, LPC47B272_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, },
{ &ops, LPC47B272_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, 0x07ff, 0x07ff, },
{ &ops, LPC47B272_RT, PNP_IO0, 0x0780, },
};
/**
* Create device structures and allocate resources to devices specified in the
* pnp_dev_info array (above).
*
* @param dev Pointer to structure describing a Super I/O device.
*/
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info),
pnp_dev_info);
}
struct chip_operations superio_smsc_lpc47b272_ops = {
CHIP_NAME("SMSC LPC47B272 Super I/O")
.enable_dev = enable_dev
};