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

55 lines
1.5 KiB
C

/*
* arch/arm/plat-orion/include/plat/addr-map.h
*
* Marvell Orion SoC address map handling.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_ADDR_MAP_H
#define __PLAT_ADDR_MAP_H
extern struct mbus_dram_target_info orion_mbus_dram_info;
struct orion_addr_map_cfg {
const int num_wins; /* Total number of windows */
const int remappable_wins;
void __iomem *bridge_virt_base;
int hw_io_coherency;
/* If NULL, the default cpu_win_can_remap will be used, using
the value in remappable_wins */
int (*cpu_win_can_remap) (const struct orion_addr_map_cfg *cfg,
const int win);
/* If NULL, the default win_cfg_base will be used, using the
value in bridge_virt_base */
void __iomem *(*win_cfg_base) (const struct orion_addr_map_cfg *cfg,
const int win);
};
/*
* Information needed to setup one address mapping.
*/
struct orion_addr_map_info {
const int win;
const u32 base;
const u32 size;
const u8 target;
const u8 attr;
const int remap;
};
void __init orion_config_wins(struct orion_addr_map_cfg *cfg,
const struct orion_addr_map_info *info);
void __init orion_setup_cpu_win(const struct orion_addr_map_cfg *cfg,
const int win, const u32 base,
const u32 size, const u8 target,
const u8 attr, const int remap);
void __init orion_setup_cpu_mbus_target(const struct orion_addr_map_cfg *cfg,
const void __iomem *ddr_window_cpu_base);
#endif