include/linux/vexpress.h

   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