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git.ipfire.org Git - thirdparty/u-boot.git/blob - include/lmb.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
7 #include <asm/u-boot.h>
10 * Logical memory blocks.
12 * Copyright (C) 2001 Peter Bergner, IBM Corp.
15 #define MAX_LMB_REGIONS 8
25 struct lmb_property region
[MAX_LMB_REGIONS
+1];
29 struct lmb_region memory
;
30 struct lmb_region reserved
;
33 extern void lmb_init(struct lmb
*lmb
);
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
);
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
);
44 extern phys_addr_t
lmb_alloc_addr(struct lmb
*lmb
, phys_addr_t base
,
46 extern phys_size_t
lmb_get_free_size(struct lmb
*lmb
, phys_addr_t addr
);
47 extern int lmb_is_reserved(struct lmb
*lmb
, phys_addr_t addr
);
48 extern long lmb_free(struct lmb
*lmb
, phys_addr_t base
, phys_size_t size
);
50 extern void lmb_dump_all(struct lmb
*lmb
);
52 static inline phys_size_t
53 lmb_size_bytes(struct lmb_region
*type
, unsigned long region_nr
)
55 return type
->region
[region_nr
].size
;
58 void board_lmb_reserve(struct lmb
*lmb
);
59 void arch_lmb_reserve(struct lmb
*lmb
);
61 #endif /* __KERNEL__ */
63 #endif /* _LINUX_LMB_H */