LXR linux/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
  14extern struct mbus_dram_target_info orion_mbus_dram_info;
  15
  16struct 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 */
  35struct 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
  44void __init orion_config_wins(struct orion_addr_map_cfg *cfg,
  45                              const struct orion_addr_map_info *info);
  46
  47void __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
  52void __init orion_setup_cpu_mbus_target(const struct orion_addr_map_cfg *cfg,
  53                                        const void __iomem *ddr_window_cpu_base);
  54#endif
  55