blob: a4c9547aae64bb3a811a9d25a8f62c1963bbea7c [file] [log] [blame]
Pawel Moll3ecbf052012-09-24 14:55:40 +01001/*
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>
Pawel Moll3b9334a2014-04-30 16:46:29 +010018#include <linux/platform_device.h>
Robin Holt7b6d8642013-07-08 16:01:40 -070019#include <linux/reboot.h>
Pawel Moll3b9334a2014-04-30 16:46:29 +010020#include <linux/regmap.h>
Pawel Moll3ecbf052012-09-24 14:55:40 +010021
22#define VEXPRESS_SITE_MB 0
23#define VEXPRESS_SITE_DB1 1
24#define VEXPRESS_SITE_DB2 2
25#define VEXPRESS_SITE_MASTER 0xf
26
Pawel Moll88e0abc2012-09-18 12:24:57 +010027#define VEXPRESS_RES_FUNC(_site, _func) \
28{ \
29 .start = (_site), \
30 .end = (_func), \
31 .flags = IORESOURCE_BUS, \
32}
33
Pawel Moll3b9334a2014-04-30 16:46:29 +010034/* Config infrastructure */
35
36void vexpress_config_set_master(u32 site);
37u32 vexpress_config_get_master(void);
38
39void vexpress_config_lock(void *arg);
40void vexpress_config_unlock(void *arg);
41
42int vexpress_config_get_topo(struct device_node *node, u32 *site,
43 u32 *position, u32 *dcc);
44
Pawel Moll3ecbf052012-09-24 14:55:40 +010045/* Config bridge API */
46
Pawel Moll3b9334a2014-04-30 16:46:29 +010047struct vexpress_config_bridge_ops {
48 struct regmap * (*regmap_init)(struct device *dev, void *context);
49 void (*regmap_exit)(struct regmap *regmap, void *context);
Pawel Moll3ecbf052012-09-24 14:55:40 +010050};
51
Pawel Moll3b9334a2014-04-30 16:46:29 +010052struct device *vexpress_config_bridge_register(struct device *parent,
53 struct vexpress_config_bridge_ops *ops, void *context);
Pawel Moll3ecbf052012-09-24 14:55:40 +010054
Pawel Moll3b9334a2014-04-30 16:46:29 +010055/* Config regmap API */
Pawel Moll3ecbf052012-09-24 14:55:40 +010056
Pawel Moll3b9334a2014-04-30 16:46:29 +010057struct regmap *devm_regmap_init_vexpress_config(struct device *dev);
Pawel Moll3ecbf052012-09-24 14:55:40 +010058
Pawel Moll88e0abc2012-09-18 12:24:57 +010059/* Platform control */
60
Pawel Moll974cc7b2014-04-23 10:49:31 +010061unsigned int vexpress_get_mci_cardin(struct device *dev);
Pawel Moll88e0abc2012-09-18 12:24:57 +010062u32 vexpress_get_procid(int site);
Pawel Moll88e0abc2012-09-18 12:24:57 +010063void *vexpress_get_24mhz_clock_base(void);
64void vexpress_flags_set(u32 data);
65
Pawel Moll88e0abc2012-09-18 12:24:57 +010066void vexpress_sysreg_early_init(void __iomem *base);
Pawel Moll974cc7b2014-04-23 10:49:31 +010067int vexpress_syscfg_device_register(struct platform_device *pdev);
Pawel Moll88e0abc2012-09-18 12:24:57 +010068
Pawel Moll38669e02012-10-09 12:56:36 +010069/* Clocks */
70
Pawel Moll38669e02012-10-09 12:56:36 +010071void vexpress_clk_init(void __iomem *sp810_base);
Pawel Moll38669e02012-10-09 12:56:36 +010072
Pawel Moll3ecbf052012-09-24 14:55:40 +010073#endif