diff options
Diffstat (limited to 'chip/max32660/wdt_chip.c')
-rw-r--r-- | chip/max32660/wdt_chip.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/chip/max32660/wdt_chip.c b/chip/max32660/wdt_chip.c deleted file mode 100644 index 1c99c798fc..0000000000 --- a/chip/max32660/wdt_chip.c +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright 2019 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* MAX32660 Watchdog Module */ - -#include "clock.h" -#include "common.h" -#include "gpio.h" -#include "hooks.h" -#include "task.h" -#include "util.h" -#include "watchdog.h" -#include "console.h" -#include "registers.h" -#include "board.h" -#include "wdt_regs.h" - -#define CPUTS(outstr) cputs(CC_COMMAND, outstr) -#define CPRINTS(format, args...) cprints(CC_COMMAND, format, ##args) - -/* For a System clock of 96MHz, - * Time in seconds = 96000000 / 2 * 2^power - * Example for MXC_S_WDT_CTRL_INT_PERIOD_WDT2POW29 - * Time in seconds = 96000000 / 2 * 2^29 - * = 11.1 Seconds - */ -#define WATCHDOG_TIMER_PERIOD MXC_S_WDT_CTRL_INT_PERIOD_WDT2POW29 - -volatile int starve_dog = 0; - -void watchdog_reload(void) -{ - if (!starve_dog) { - /* Reset the watchdog */ - MXC_WDT0->rst = 0x00A5; - MXC_WDT0->rst = 0x005A; - } -} -DECLARE_HOOK(HOOK_TICK, watchdog_reload, HOOK_PRIO_DEFAULT); - -int watchdog_init(void) -{ - /* Set the Watchdog period */ - MXC_SETFIELD(MXC_WDT0->ctrl, MXC_F_WDT_CTRL_RST_PERIOD, - (WATCHDOG_TIMER_PERIOD << 4)); - - /* We want the WD to reset us if it is not fed in time. */ - MXC_WDT0->ctrl |= MXC_F_WDT_CTRL_RST_EN; - /* Enable the watchdog */ - MXC_WDT0->ctrl |= MXC_F_WDT_CTRL_WDT_EN; - /* Reset the watchdog */ - MXC_WDT0->rst = 0x00A5; - MXC_WDT0->rst = 0x005A; - return EC_SUCCESS; -} - -static int command_watchdog_test(int argc, char **argv) -{ - starve_dog = 1; - - CPRINTS("done command_watchdog_test."); - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(wdttest, command_watchdog_test, "wdttest", - "Force a WDT reset."); |