1 /* 2 * Copyright 2017 CS Systemes d'Information 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <mpc8xx.h> 9 #include <asm/cpm_8xx.h> 10 #include <asm/io.h> 11 12 void hw_watchdog_reset(void) 13 { 14 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; 15 16 out_be16(&immap->im_siu_conf.sc_swsr, 0x556c); /* write magic1 */ 17 out_be16(&immap->im_siu_conf.sc_swsr, 0xaa39); /* write magic2 */ 18 } 19 20