a1e22b8192
Drop 'include <string.h>' when it is not used and add it when it is missing. Also extra lines removed, or added just before local includes. Change-Id: Iccac4dbaa2dd4144fc347af36ecfc9747da3de20 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31966 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright (C) 2013 Vladimir Serbinenko
|
|
*
|
|
* 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 <types.h>
|
|
#include <device/device.h>
|
|
#include <device/smbus.h>
|
|
#include <smbios.h>
|
|
#include <console/console.h>
|
|
|
|
static void at24rf08c_init(struct device *dev)
|
|
{
|
|
int i, j;
|
|
|
|
if (!dev->enabled)
|
|
return;
|
|
|
|
/* Ensure that EEPROM/RFID chip is not accessible through RFID.
|
|
Need to do it only on 5c. */
|
|
if (dev->path.type != DEVICE_PATH_I2C || dev->path.i2c.device != 0x5c)
|
|
return;
|
|
|
|
printk (BIOS_DEBUG, "Locking EEPROM RFID\n");
|
|
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
/* After a register write AT24RF08C sometimes stops responding.
|
|
Retry several times in case of failure.
|
|
*/
|
|
for (j = 0; j < 100; j++)
|
|
if (smbus_write_byte(dev, i, 0x0f) >= 0)
|
|
break;
|
|
}
|
|
|
|
printk (BIOS_DEBUG, "init EEPROM done\n");
|
|
}
|
|
|
|
static struct device_operations at24rf08c_operations = {
|
|
.read_resources = DEVICE_NOOP,
|
|
.set_resources = DEVICE_NOOP,
|
|
.enable_resources = DEVICE_NOOP,
|
|
.init = at24rf08c_init,
|
|
};
|
|
|
|
static void enable_dev(struct device *dev)
|
|
{
|
|
dev->ops = &at24rf08c_operations;
|
|
}
|
|
|
|
struct chip_operations drivers_i2c_at24rf08c_ops = {
|
|
CHIP_NAME("AT24RF08C")
|
|
.enable_dev = enable_dev,
|
|
};
|