arch/arm/plat-orion/include/plat/addr-map.h

   1 /*
   2  * arch/arm/plat-orion/include/plat/addr-map.h
   3  *
   4  * Marvell Orion SoC address map handling.
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 #ifndef __PLAT_ADDR_MAP_H
  12 #define __PLAT_ADDR_MAP_H
  13
  14 extern struct mbus_dram_target_info orion_mbus_dram_info;
  15
  16 struct orion_addr_map_cfg {
  17         const int num_wins;     /* Total number of windows */
  18         const int remappable_wins;
  19         const u32 bridge_virt_base;
  20
  21         /* If NULL, the default cpu_win_can_remap will be used, using
  22            the value in remappable_wins */
  23         int (*cpu_win_can_remap) (const struct orion_addr_map_cfg *cfg,
  24                                   const int win);
  25         /* If NULL, the default win_cfg_base will be used, using the
  26            value in bridge_virt_base */
  27         void __iomem *(*win_cfg_base) (const struct orion_addr_map_cfg *cfg,
  28                                  const int win);
  29 };
  30
  31 /*
  32  * Information needed to setup one address mapping.
  33  */
  34 struct orion_addr_map_info {
  35         const int win;
  36         const u32 base;
  37         const u32 size;
  38         const u8 target;
  39         const u8 attr;
  40         const int remap;
  41 };
  42
  43 void __init orion_config_wins(struct orion_addr_map_cfg *cfg,
  44                               const struct orion_addr_map_info *info);
  45
  46 void __init orion_setup_cpu_win(const struct orion_addr_map_cfg *cfg,
  47                                 const int win, const u32 base,
  48                                 const u32 size, const u8 target,
  49                                 const u8 attr, const int remap);
  50
  51 void __init orion_setup_cpu_mbus_target(const struct orion_addr_map_cfg *cfg,
  52                                         const u32 ddr_window_cpu_base);
  53 #endif