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/*
* This file is part of the coreboot project.
*
* 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; version 2 of the License.
*
* 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 <device/device.h>
#include <device/smbus.h>
static void lm63_init(struct device *dev)
{
int result;
if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) {
if (ops_smbus_bus(get_pbus_smbus(dev))) {
if (dev->bus->dev->path.type == DEVICE_PATH_I2C)
smbus_set_link(dev); // it is under mux
result = smbus_read_byte(dev, 0x03);
// result &= ~0x04;
result |= 0x04;
smbus_write_byte(dev, 0x03, result & 0xff); // config lm63
}
}
}
static struct device_operations lm63_operations = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = lm63_init,
};
static void enable_dev(struct device *dev)
{
dev->ops = &lm63_operations;
}
struct chip_operations drivers_i2c_lm63_ops = {
CHIP_NAME("National Semiconductor LM63")
.enable_dev = enable_dev,
};
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