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/*
* Copyright (C) 2014 Michael Olbrich, Pengutronix
*
* 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.
*
*/
#include <common.h>
#include <malloc.h>
#include <bbu.h>
#include <fs.h>
#include <fcntl.h>
static int nand_update(struct bbu_handler *handler, struct bbu_data *data)
{
int fd, ret;
if (file_detect_type(data->image, 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;
debug("%s: eraseing %s from 0 to 0x%08x\n", __func__,
data->devicefile, data->len);
ret = erase(fd, data->len, 0);
if (ret) {
printf("erasing %s failed with %s\n", data->devicefile,
strerror(-ret));
goto err_close;
}
ret = write(fd, data->image, data->len);
if (ret < 0) {
printf("writing update to %s failed with %s\n", data->devicefile,
strerror(-ret));
goto err_close;
}
ret = 0;
err_close:
close(fd);
return ret;
}
/*
* Register a s3c24x0 update handler for NAND
*/
int s3c24x0_bbu_nand_register_handler(void)
{
struct bbu_handler *handler;
int ret;
handler = xzalloc(sizeof(*handler));
handler->devicefile = "/dev/nand0.barebox";
handler->name = "nand";
handler->handler = nand_update;
handler->flags = BBU_HANDLER_FLAG_DEFAULT;
ret = bbu_register_handler(handler);
if (ret)
free(handler);
return ret;
}
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