[thirdparty/u-boot.git] / drivers / sysreset / sysreset_microblaze.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2018 Xilinx, Inc. - Michal Simek
 */

#include <common.h>
#include <dm.h>
#include <errno.h>
#include <sysreset.h>
#include <linux/err.h>
#include <linux/stringify.h>

static int microblaze_sysreset_request(struct udevice *dev,
				       enum sysreset_t type)
{
	puts("Microblaze soft reset sysreset\n");
	__asm__ __volatile__ (
	    "mts rmsr, r0;" \
	    "brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));

	return -EINPROGRESS;
}

static struct sysreset_ops microblaze_sysreset = {
	.request = microblaze_sysreset_request,
};

U_BOOT_DRIVER(sysreset_microblaze) = {
	.id	= UCLASS_SYSRESET,
	.name	= "mb_soft_reset",
	.ops	= &microblaze_sysreset,
};
Commit	Line	Data
cae39ae3 MS	1	// SPDX-License-Identifier: GPL-2.0
	2	/*
	3	* Copyright (C) 2018 Xilinx, Inc. - Michal Simek
	4	*/
	5
d678a59d	6	#include <common.h>
cae39ae3 MS	7	#include <dm.h>
	8	#include <errno.h>
	9	#include <sysreset.h>
	10	#include <linux/err.h>
fc7220f0	11	#include <linux/stringify.h>
cae39ae3 MS	12
	13	static int microblaze_sysreset_request(struct udevice *dev,
	14	enum sysreset_t type)
	15	{
	16	puts("Microblaze soft reset sysreset\n");
fc7220f0 OP	17	__asm__ __volatile__ (
	18	"mts rmsr, r0;" \
	19	"brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));
cae39ae3 MS	20
	21	return -EINPROGRESS;
	22	}
	23
	24	static struct sysreset_ops microblaze_sysreset = {
	25	.request = microblaze_sysreset_request,
	26	};
	27
	28	U_BOOT_DRIVER(sysreset_microblaze) = {
	29	.id = UCLASS_SYSRESET,
	30	.name = "mb_soft_reset",
	31	.ops = &microblaze_sysreset,
	32	};