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

100 lines
2.2 KiB
C

/*
* (C) Copyright 2018 allwinnertech <wangwei@allwinnertech.com>
*
* SPDX-License-Identifier: GPL-2.0+
* wangwei@allwinnertech.com
*/
#include <common.h>
#include <console.h>
#include <command.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_auto_fel_from_boot_handshake, sunxi_usb_burn_from_boot_init, sunxi_usb_burn_from_boot_setup;
extern volatile int sunxi_usb_probe_update_action;
extern volatile int sunxi_auto_fel_runnning;
int do_fel_from_boot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret;
ulong begin_time= 0, over_time = 0;
tick_printf("probe MP tools from boot\n");
if (sunxi_usb_dev_register(4) < 0) {
printf("usb burn fail: not support burn private data\n");
return -1;
}
if (sunxi_usb_init(0)) {
printf("%s usb init fail\n", __func__);
sunxi_usb_exit();
return 0;
}
tick_printf("usb init ok\n");
begin_time = get_timer(0);
over_time = 500; /* ms */
while(1) {
if (sunxi_usb_burn_from_boot_init) {
printf("usb sof ok\n");
break;
}
if (get_timer(begin_time) > over_time) {
tick_printf("usb overtime\n");
sunxi_usb_exit();
return 0;
}
}
tick_printf("usb probe ok\n");
begin_time = get_timer(0);
over_time = 2000; /* ms */
sunxi_auto_fel_runnning = 1;
while(1) {
ret = sunxi_usb_extern_loop();
if (ret)
break;
if (!sunxi_auto_fel_from_boot_handshake) {
if(get_timer(begin_time) > over_time) {
sunxi_usb_exit();
printf("usb: have no handshake\n");
sunxi_auto_fel_runnning = 0;
return 0;
}
}
if (sunxi_usb_probe_update_action == 1) {
printf("usb: enter fel mode\n");
sunxi_board_run_fel();
}
else if (sunxi_usb_probe_update_action == 2) {
printf("ready to boot normal \n");
break ;
}
}
sunxi_auto_fel_runnning = 0;
tick_printf("exit usb fel from boot\n");
sunxi_usb_exit();
return 0;
}
U_BOOT_CMD(
sunxi_fel, CONFIG_SYS_MAXARGS, 1, do_fel_from_boot,
"do fel from boot",
"sunxi_fel"
"NULL"
);