]> git.sur5r.net Git - u-boot/blob - drivers/watchdog/mpc8xx_wdt.c
Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTR
[u-boot] / drivers / watchdog / mpc8xx_wdt.c
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