blob: a6af33346a3f526ddac4c8acc50541d1179697b0 [file] [log] [blame]
/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <debug.h>
#include <platform.h>
#include <platform/iomap.h>
#include <reg.h>
#include <wdog.h>
#include <target.h>
#include <scm.h>
#include <dload_util.h>
#include <kernel/thread.h>
#define WDOG_FEED_FREQUENCY 1000
static int wdog_feed_handler(void *param) {
while(1) {
writel(1, APPS_WDOG_RESET_REG);
thread_sleep(WDOG_FEED_FREQUENCY);
}
return 0;
}
static void wdog_feed_func_thread(void)
{
static bool is_thread_start;
thread_t *thr;
if (!is_thread_start) {
thr = thread_create("wdogfeed", wdog_feed_handler,
0, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE);
if (!thr) {
dprintf(CRITICAL, "ERROR: create feed dog thread failed!!\n");
return;
}
thread_resume(thr);
is_thread_start = true;
}
}
void msm_wdog_init()
{
/* Set Bite and Bark times 10s */
writel(0x77FD3, APPS_WDOG_BARK_VAL_REG);
writel(0x77FD3, APPS_WDOG_BITE_VAL_REG);
/* Reset WDOG */
writel(1, APPS_WDOG_RESET_REG);
/* Enable WDOG */
writel((readl(APPS_WDOG_CTL_REG) | 0x1), APPS_WDOG_CTL_REG);
wdog_feed_func_thread();
set_download_mode(NORMAL_DLOAD);
}