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/*
* Copyright (C) 2015 Lucas Stach <l.stach@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include <common.h>
#include <fcntl.h>
#include <fs.h>
#include <mach/tegra-bbu.h>
#include <malloc.h>
static int tegra_bbu_emmc_handler(struct bbu_handler *handler,
struct bbu_data *data)
{
int fd, ret;
if (file_detect_type(data->image + 0x4000, data->len) !=
filetype_arm_barebox &&
!bbu_force(data, "Not an ARM barebox image"))
return -EINVAL;
ret = bbu_confirm(data);
if (ret)
return ret;
fd = open(data->devicefile, O_WRONLY);
if (fd < 0)
return fd;
ret = write(fd, data->image, data->len);
if (ret < 0) {
pr_err("writing update to %s failed with %s\n",
data->devicefile, strerror(-ret));
goto err_close;
}
ret = 0;
err_close:
close(fd);
return ret;
}
int tegra_bbu_register_emmc_handler(const char *name, char *devicefile,
unsigned long flags)
{
struct bbu_handler *handler;
int ret = 0;
handler = xzalloc(sizeof(*handler));
handler->name = name;
handler->devicefile = devicefile;
handler->flags = flags;
handler->handler = tegra_bbu_emmc_handler;
ret = bbu_register_handler(handler);
if (ret)
free(handler);
return ret;
}
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