75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/*
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* Copyright (C) 2015 Lucas Stach <l.stach@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <common.h>
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#include <fcntl.h>
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#include <fs.h>
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#include <mach/tegra-bbu.h>
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#include <malloc.h>
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static int tegra_bbu_emmc_handler(struct bbu_handler *handler,
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struct bbu_data *data)
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{
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int fd, ret;
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if (file_detect_type(data->image + 0x4000, data->len) !=
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filetype_arm_barebox &&
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!bbu_force(data, "Not an ARM barebox image"))
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return -EINVAL;
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ret = bbu_confirm(data);
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if (ret)
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return ret;
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fd = open(data->devicefile, O_WRONLY);
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if (fd < 0)
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return fd;
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ret = write(fd, data->image, data->len);
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if (ret < 0) {
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pr_err("writing update to %s failed with %s\n",
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data->devicefile, strerror(-ret));
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goto err_close;
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}
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ret = 0;
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err_close:
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close(fd);
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return ret;
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}
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int tegra_bbu_register_emmc_handler(const char *name, char *devicefile,
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unsigned long flags)
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{
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struct bbu_handler *handler;
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int ret = 0;
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handler = xzalloc(sizeof(*handler));
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handler->name = name;
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handler->devicefile = devicefile;
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handler->flags = flags;
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handler->handler = tegra_bbu_emmc_handler;
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ret = bbu_register_handler(handler);
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if (ret)
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free(handler);
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return ret;
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}
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