1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2018 Xilinx, Inc. - Michal Simek
4  */
5 
6 #include <common.h>
7 #include <dm.h>
8 #include <errno.h>
9 #include <sysreset.h>
10 #include <linux/err.h>
11 
12 static int microblaze_sysreset_request(struct udevice *dev,
13 				       enum sysreset_t type)
14 {
15 	puts("Microblaze soft reset sysreset\n");
16 	__asm__ __volatile__ ("	mts rmsr, r0;" \
17 				"bra r0");
18 
19 	return -EINPROGRESS;
20 }
21 
22 static struct sysreset_ops microblaze_sysreset = {
23 	.request = microblaze_sysreset_request,
24 };
25 
26 U_BOOT_DRIVER(sysreset_microblaze) = {
27 	.id	= UCLASS_SYSRESET,
28 	.name	= "mb_soft_reset",
29 	.ops	= &microblaze_sysreset,
30 };
31