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1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License version 2 as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * Copyright (C) 2012 ARM Limited
12 */
13
14 #ifndef _LINUX_VEXPRESS_H
15 #define _LINUX_VEXPRESS_H
16
17 #include <linux/device.h>
18 #include <linux/regmap.h>
19
20 #define VEXPRESS_SITE_MB 0
21 #define VEXPRESS_SITE_DB1 1
22 #define VEXPRESS_SITE_DB2 2
23 #define VEXPRESS_SITE_MASTER 0xf
24
25 /* Config infrastructure */
26
27 void vexpress_config_set_master(u32 site);
28 u32 vexpress_config_get_master(void);
29
30 void vexpress_config_lock(void *arg);
31 void vexpress_config_unlock(void *arg);
32
33 int vexpress_config_get_topo(struct device_node *node, u32 *site,
34 u32 *position, u32 *dcc);
35
36 /* Config bridge API */
37
38 struct vexpress_config_bridge_ops {
39 struct regmap * (*regmap_init)(struct device *dev, void *context);
40 void (*regmap_exit)(struct regmap *regmap, void *context);
41 };
42
43 struct device *vexpress_config_bridge_register(struct device *parent,
44 struct vexpress_config_bridge_ops *ops, void *context);
45
46 /* Config regmap API */
47
48 struct regmap *devm_regmap_init_vexpress_config(struct device *dev);
49
50 /* Platform control */
51
52 void vexpress_flags_set(u32 data);
53
54 #endif