/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include /* Watchdog bite time set to default reset value */ #define RESET_WDT_BITE_TIME 0x31F3 /* Watchdog bark time value is kept larger than the watchdog timeout * of 0x31F3, effectively disabling the watchdog bark interrupt */ #define RESET_WDT_BARK_TIME (5 * RESET_WDT_BITE_TIME) static void wdog_reset(void) { printk(BIOS_DEBUG, "\nResetting with watchdog!\n"); write32(APCS_WDT0_EN, 0); write32(APCS_WDT0_RST, 1); write32(APCS_WDT0_BARK_TIME, RESET_WDT_BARK_TIME); write32(APCS_WDT0_BITE_TIME, RESET_WDT_BITE_TIME); write32(APCS_WDT0_EN, 1); write32(APCS_WDT0_CPU0_WDOG_EXPIRED_ENABLE, 1); } void do_board_reset(void) { wdog_reset(); }