xref: /aosp_15_r20/external/arm-trusted-firmware/plat/imx/common/imx_wdog.c (revision 54fd6939e177f8ff529b10183254802c76df6d08) 
1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3*54fd6939SJiyong Park  *
4*54fd6939SJiyong Park  * SPDX-License-Identifier: BSD-3-Clause
5*54fd6939SJiyong Park  */
6*54fd6939SJiyong Park 
7*54fd6939SJiyong Park #include <lib/mmio.h>
8*54fd6939SJiyong Park 
9*54fd6939SJiyong Park #include <imx_regs.h>
10*54fd6939SJiyong Park #include <imx_wdog.h>
11*54fd6939SJiyong Park 
imx_wdog_power_down(unsigned long base)12*54fd6939SJiyong Park static void imx_wdog_power_down(unsigned long base)
13*54fd6939SJiyong Park {
14*54fd6939SJiyong Park 	struct wdog_regs *wdog = (struct wdog_regs *)base;
15*54fd6939SJiyong Park 
16*54fd6939SJiyong Park 	mmio_write_16((uintptr_t)&wdog->wmcr, 0);
17*54fd6939SJiyong Park }
18*54fd6939SJiyong Park 
imx_wdog_init(void)19*54fd6939SJiyong Park void imx_wdog_init(void)
20*54fd6939SJiyong Park {
21*54fd6939SJiyong Park 	imx_wdog_power_down(WDOG1_BASE);
22*54fd6939SJiyong Park 	imx_wdog_power_down(WDOG2_BASE);
23*54fd6939SJiyong Park 	imx_wdog_power_down(WDOG3_BASE);
24*54fd6939SJiyong Park 	imx_wdog_power_down(WDOG4_BASE);
25*54fd6939SJiyong Park }
26