/*
|
* (C) Copyright 2018-2020
|
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
|
* wangwei <wangwei@allwinnertech.com>
|
*
|
* SPDX-License-Identifier: GPL-2.0+
|
*/
|
#include <common.h>
|
#include <sys_config.h>
|
#include <securestorage.h>
|
#include <private_uboot.h>
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
extern int do_burn_from_boot(cmd_tbl_t *cmdtp, int flag, int argc,
|
char *const argv[]);
|
|
//#define SUNXI_SECURESTORAGE_TEST_ERASE
|
|
int sunxi_keydata_burn_by_usb(void)
|
{
|
char buffer[512];
|
__maybe_unused int data_len;
|
__maybe_unused int ret = 0;
|
__maybe_unused uint burn_private_start;
|
__maybe_unused uint burn_private_len;
|
|
int workmode = uboot_spare_head.boot_data.work_mode;
|
int if_need_burn_key = 0;
|
|
ret = script_parser_fetch("/soc/target", "burn_key", &if_need_burn_key,
|
1);
|
|
if (if_need_burn_key != 1) {
|
pr_err("out of usb burn from boot: not need burn key\n");
|
return 0;
|
}
|
|
if (workmode != WORK_MODE_BOOT) {
|
pr_err("out of usb burn from boot: not boot mode\n");
|
return 0;
|
}
|
memset(buffer, 0, 512);
|
#ifdef CONFIG_SUNXI_SECURE_STORAGE
|
if (sunxi_secure_storage_init()) {
|
pr_err("sunxi secure storage is not supported\n");
|
} else {
|
#ifndef SUNXI_SECURESTORAGE_TEST_ERASE
|
ret = sunxi_secure_object_read("key_burned_flag", buffer, 512,
|
&data_len);
|
if (ret) {
|
pr_msg("sunxi secure storage has no flag\n");
|
} else {
|
if (!strcmp(buffer, "key_burned")) {
|
pr_msg("find key burned flag\n");
|
return 0;
|
}
|
pr_msg("do not find key burned flag\n");
|
}
|
#else
|
if (!sunxi_secure_storage_erase("key_burned_flag"))
|
sunxi_secure_storage_exit();
|
|
return 0;
|
#endif
|
}
|
#endif
|
return do_burn_from_boot(NULL, 0, 0, NULL);
|
}
|
