| Ovidiu Panait | 87a739e | 2022-05-31 21:14:31 +0300 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Copyright (C) 2022, Ovidiu Panait <ovpanait@gmail.com> |
| 4 | */ |
| 5 | |
| 6 | #ifndef __ASM_MICROBLAZE_CPUINFO_H |
| 7 | #define __ASM_MICROBLAZE_CPUINFO_H |
| 8 | |
| 9 | /** |
| 10 | * struct microblaze_cpuinfo - CPU info for microblaze processor core. |
| 11 | * |
| 12 | * @icache_size: Size of instruction cache memory in bytes. |
| 13 | * @icache_line_length: Instruction cache line length in bytes. |
| 14 | * @dcache_size: Size of data cache memory in bytes. |
| 15 | * @dcache_line_length: Data cache line length in bytes. |
| 16 | */ |
| 17 | struct microblaze_cpuinfo { |
| 18 | u32 icache_size; |
| 19 | u32 icache_line_length; |
| 20 | |
| 21 | u32 dcache_size; |
| 22 | u32 dcache_line_length; |
| 23 | }; |
| 24 | |
| 25 | /** |
| 26 | * microblaze_early_cpuinfo_init() - Initialize cpuinfo with default values. |
| 27 | * |
| 28 | * Initializes the global data cpuinfo structure with default values (cache |
| 29 | * size, cache line size, etc.). It is called very early in the boot process |
| 30 | * (start.S codepath right before the first cache flush call) to ensure that |
| 31 | * cache related operations are properly handled. |
| 32 | */ |
| 33 | void microblaze_early_cpuinfo_init(void); |
| 34 | |
| 35 | #endif /* __ASM_MICROBLAZE_CPUINFO_H */ |