projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 4ed6552f KG |
2 | #ifndef _LINUX_LMB_H |
| 3 | #define _LINUX_LMB_H | |
| 4 | #ifdef __KERNEL__ | |
| 5 | ||
| 6 | #include <asm/types.h> | |
| 9cc2323f SG |
7 | #include <asm/u-boot.h> |
| 8 | ||
| 4ed6552f KG |
9 | /* |
| 10 | * Logical memory blocks. | |
| 11 | * | |
| 12 | * Copyright (C) 2001 Peter Bergner, IBM Corp. | |
| 4ed6552f KG |
13 | */ |
| 14 | ||
| 15 | #define MAX_LMB_REGIONS 8 | |
| 16 | ||
| 17 | struct lmb_property { | |
| 391fd93a BB |
18 | phys_addr_t base; |
| 19 | phys_size_t size; | |
| 4ed6552f KG |
20 | }; |
| 21 | ||
| 22 | struct lmb_region { | |
| 23 | unsigned long cnt; | |
| 391fd93a | 24 | phys_size_t size; |
| 4ed6552f KG |
25 | struct lmb_property region[MAX_LMB_REGIONS+1]; |
| 26 | }; | |
| 27 | ||
| 28 | struct lmb { | |
| 29 | struct lmb_region memory; | |
| 30 | struct lmb_region reserved; | |
| 31 | }; | |
| 32 | ||
| 4ed6552f | 33 | extern void lmb_init(struct lmb *lmb); |
| 9cc2323f SG |
34 | extern void lmb_init_and_reserve(struct lmb *lmb, bd_t *bd, void *fdt_blob); |
| 35 | extern void lmb_init_and_reserve_range(struct lmb *lmb, phys_addr_t base, | |
| 36 | phys_size_t size, void *fdt_blob); | |
| 391fd93a BB |
37 | extern long lmb_add(struct lmb *lmb, phys_addr_t base, phys_size_t size); |
| 38 | extern long lmb_reserve(struct lmb *lmb, phys_addr_t base, phys_size_t size); | |
| 39 | extern phys_addr_t lmb_alloc(struct lmb *lmb, phys_size_t size, ulong align); | |
| 40 | extern phys_addr_t lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align, | |
| 41 | phys_addr_t max_addr); | |
| 42 | extern phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align, | |
| 43 | phys_addr_t max_addr); | |
| 4cc8af80 SG |
44 | extern phys_addr_t lmb_alloc_addr(struct lmb *lmb, phys_addr_t base, |
| 45 | phys_size_t size); | |
| 65304aad | 46 | extern phys_size_t lmb_get_free_size(struct lmb *lmb, phys_addr_t addr); |
| 391fd93a | 47 | extern int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr); |
| 98874ff3 | 48 | extern long lmb_free(struct lmb *lmb, phys_addr_t base, phys_size_t size); |
| 4ed6552f KG |
49 | |
| 50 | extern void lmb_dump_all(struct lmb *lmb); | |
| 51 | ||
| 391fd93a | 52 | static inline phys_size_t |
| 4ed6552f KG |
53 | lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) |
| 54 | { | |
| 55 | return type->region[region_nr].size; | |
| 56 | } | |
| a16028da MF |
57 | |
| 58 | void board_lmb_reserve(struct lmb *lmb); | |
| 59 | void arch_lmb_reserve(struct lmb *lmb); | |
| 60 | ||
| 4ed6552f KG |
61 | #endif /* __KERNEL__ */ |
| 62 | ||
| 63 | #endif /* _LINUX_LMB_H */ |