sdk-hwV1.3/lichee/brandy-2.0/u-boot-2018/cmd/sunxi_burn.c

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2024-05-07 10:09:20 +00:00
/*
* (C) Copyright 2018 allwinnertech <wangwei@allwinnertech.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <command.h>
#include <securestorage.h>
#include <sunxi_board.h>
extern int sunxi_usb_dev_register(uint dev_name);
extern void sunxi_usb_main_loop(int delaytime);
extern int sunxi_usb_extern_loop(void);
extern int sunxi_usb_init(int delaytime);
extern int sunxi_usb_exit(void);
DECLARE_GLOBAL_DATA_PTR;
extern volatile int sunxi_usb_burn_from_boot_handshake, sunxi_usb_burn_from_boot_init, sunxi_usb_burn_from_boot_setup;
int do_burn_from_boot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret;
ulong begin_time= 0, over_time = 0;
pr_force("usb burn from boot\n");
if(sunxi_usb_dev_register(4) < 0)
{
pr_err("usb burn fail: not support burn private data\n");
return -1;
}
if(sunxi_usb_init(0))
{
pr_err("%s usb init fail\n", __func__);
sunxi_usb_exit();
return 0;
}
tick_printf("usb prepare ok\n");
begin_time = get_timer(0);
over_time = 300;
while(1)
{
if(sunxi_usb_burn_from_boot_init)
{
pr_force("usb sof ok\n");
break;
}
if(get_timer(begin_time) > over_time)
{
tick_printf("overtime\n");
sunxi_usb_exit();
tick_printf("%s usb : no usb exist\n", __func__);
return 0;
}
}
tick_printf("usb probe ok\n");
tick_printf("usb setup ok\n");
begin_time = get_timer(0);
over_time = 400;
while(1)
{
ret = sunxi_usb_extern_loop();
if(ret)
{
break;
}
if(!sunxi_usb_burn_from_boot_handshake)
{
if(get_timer(begin_time) > over_time)
{
sunxi_usb_exit();
tick_printf("%s usb : have no handshake\n", __func__);
return 0;
}
}
if(ctrlc())
{
ret = SUNXI_UPDATE_NEXT_ACTION_NORMAL;
break;
}
}
tick_printf("exit usb burn from boot\n");
sunxi_usb_exit();
sunxi_update_subsequent_processing(ret);
return 0;
}
U_BOOT_CMD(
uburn, CONFIG_SYS_MAXARGS, 1, do_burn_from_boot,
"do a burn from boot",
"pburn [mode]"
"NULL"
);
/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
int do_read_from_boot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#ifdef CONFIG_SUNXI_SECURE_STORAGE
if(argc == 1)
{
return sunxi_secure_storage_list();
}
if(argc == 2)
{
char buffer[4096];
int ret, data_len;
memset(buffer, 0, 4096);
ret = sunxi_secure_storage_init();
if(ret < 0)
{
pr_err("%s secure storage init err\n", __func__);
return -1;
}
ret = sunxi_secure_object_read(argv[1], buffer, 4096, &data_len);
if(ret < 0)
{
pr_err("private data %s is not exist\n", argv[1]);
return -1;
}
pr_force("private data:\n");
sunxi_dump(buffer, strlen((const char *)buffer));
return 0;
}
#endif
return -1;
}
U_BOOT_CMD(
pbread, CONFIG_SYS_MAXARGS, 1, do_read_from_boot,
"read data from private data",
"pread [name]"
"NULL"
);