| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <device/mmio.h> |
| #include <soc/iomap.h> |
| #include <reset.h> |
| |
| /* 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(); |
| } |