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