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         void __iomem *bridge_virt_base;
  20         int hw_io_coherency;
  21
  22         /* If NULL, the default cpu_win_can_remap will be used, using
  23            the value in remappable_wins */
  24         int (*cpu_win_can_remap) (const struct orion_addr_map_cfg *cfg,
  25                                   const int win);
  26         /* If NULL, the default win_cfg_base will be used, using the
  27            value in bridge_virt_base */
  28         void __iomem *(*win_cfg_base) (const struct orion_addr_map_cfg *cfg,
  29                                  const int win);
  30 };
  31
  32 /*
  33  * Information needed to setup one address mapping.
  34  */
  35 struct orion_addr_map_info {
  36         const int win;
  37         const u32 base;
  38         const u32 size;
  39         const u8 target;
  40         const u8 attr;
  41         const int remap;
  42 };
  43
  44 void __init orion_config_wins(struct orion_addr_map_cfg *cfg,
  45                               const struct orion_addr_map_info *info);
  46
  47 void __init orion_setup_cpu_win(const struct orion_addr_map_cfg *cfg,
  48                                 const int win, const u32 base,
  49                                 const u32 size, const u8 target,
  50                                 const u8 attr, const int remap);
  51
  52 void __init orion_setup_cpu_mbus_target(const struct orion_addr_map_cfg *cfg,
  53                                         const void __iomem *ddr_window_cpu_base);
  54 #endif