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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/plat-orion/include/plat/addr-map.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/plat-orion/include/plat/addr-map.h')
-rw-r--r-- | arch/arm/plat-orion/include/plat/addr-map.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/plat-orion/include/plat/addr-map.h b/arch/arm/plat-orion/include/plat/addr-map.h new file mode 100644 index 000000000..b76c06569 --- /dev/null +++ b/arch/arm/plat-orion/include/plat/addr-map.h @@ -0,0 +1,54 @@ +/* + * 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 |