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 DECLARE_GLOBAL_DATA_PTR;
13 
14 void hw_watchdog_reset(void)
15 {
16 	immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
17 
18 	out_be16(&immap->im_siu_conf.sc_swsr, 0x556c);	/* write magic1 */
19 	out_be16(&immap->im_siu_conf.sc_swsr, 0xaa39);	/* write magic2 */
20 }
21 
22