/*
|
* (C) Copyright 2000
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
*
|
* SPDX-License-Identifier: GPL-2.0+
|
*/
|
|
#include <common.h>
|
#include <bootretry.h>
|
#include <cli.h>
|
#include <errno.h>
|
#include <watchdog.h>
|
|
#ifndef CONFIG_BOOT_RETRY_MIN
|
#define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME
|
#endif
|
|
static uint64_t endtime; /* must be set, default is instant timeout */
|
static int retry_time = -1; /* -1 so can call readline before main_loop */
|
|
/***************************************************************************
|
* initialize command line timeout
|
*/
|
void bootretry_init_cmd_timeout(void)
|
{
|
char *s = env_get("bootretry");
|
|
if (s != NULL)
|
retry_time = (int)simple_strtol(s, NULL, 10);
|
else
|
retry_time = CONFIG_BOOT_RETRY_TIME;
|
|
if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN)
|
retry_time = CONFIG_BOOT_RETRY_MIN;
|
}
|
|
/***************************************************************************
|
* reset command line timeout to retry_time seconds
|
*/
|
void bootretry_reset_cmd_timeout(void)
|
{
|
endtime = endtick(retry_time);
|
}
|
|
int bootretry_tstc_timeout(void)
|
{
|
while (!tstc()) { /* while no incoming data */
|
if (retry_time >= 0 && get_ticks() > endtime)
|
return -ETIMEDOUT;
|
WATCHDOG_RESET();
|
}
|
|
return 0;
|
}
|
|
void bootretry_dont_retry(void)
|
{
|
retry_time = -1;
|
}
|
