summaryrefslogtreecommitdiff
path: root/include/linux/vexpress.h
blob: 0e130b5077a571851df0ab4e67f6184feb5c40d4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *
 * Copyright (C) 2012 ARM Limited
 */

#ifndef _LINUX_VEXPRESS_H
#define _LINUX_VEXPRESS_H

#include <linux/device.h>
#include <linux/regmap.h>

#define VEXPRESS_SITE_MB		0
#define VEXPRESS_SITE_DB1		1
#define VEXPRESS_SITE_DB2		2
#define VEXPRESS_SITE_MASTER		0xf

/* Config infrastructure */

void vexpress_config_set_master(u32 site);
u32 vexpress_config_get_master(void);

void vexpress_config_lock(void *arg);
void vexpress_config_unlock(void *arg);

int vexpress_config_get_topo(struct device_node *node, u32 *site,
		u32 *position, u32 *dcc);

/* Config bridge API */

struct vexpress_config_bridge_ops {
	struct regmap * (*regmap_init)(struct device *dev, void *context);
	void (*regmap_exit)(struct regmap *regmap, void *context);
};

struct device *vexpress_config_bridge_register(struct device *parent,
		struct vexpress_config_bridge_ops *ops, void *context);

/* Config regmap API */

struct regmap *devm_regmap_init_vexpress_config(struct device *dev);

/* Platform control */

void vexpress_flags_set(u32 data);

#endif