]>
git.ipfire.org Git - people/ms/u-boot.git/blob - lib/addr_map.c
2 * Copyright 2008 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0
14 } address_map
[CONFIG_SYS_NUM_ADDR_MAP
];
16 phys_addr_t
addrmap_virt_to_phys(void * vaddr
)
20 for (i
= 0; i
< CONFIG_SYS_NUM_ADDR_MAP
; i
++) {
21 u64 base
, upper
, addr
;
23 if (address_map
[i
].size
== 0)
26 addr
= (u64
)((u32
)vaddr
);
27 base
= (u64
)(address_map
[i
].vaddr
);
28 upper
= (u64
)(address_map
[i
].size
) + base
- 1;
30 if (addr
>= base
&& addr
<= upper
) {
31 return addr
- address_map
[i
].vaddr
+ address_map
[i
].paddr
;
35 return (phys_addr_t
)(~0);
38 void *addrmap_phys_to_virt(phys_addr_t paddr
)
42 for (i
= 0; i
< CONFIG_SYS_NUM_ADDR_MAP
; i
++) {
43 phys_addr_t base
, upper
;
45 if (address_map
[i
].size
== 0)
48 base
= address_map
[i
].paddr
;
49 upper
= address_map
[i
].size
+ base
- 1;
51 if (paddr
>= base
&& paddr
<= upper
) {
54 offset
= address_map
[i
].paddr
- address_map
[i
].vaddr
;
56 return (void *)(unsigned long)(paddr
- offset
);
63 void addrmap_set_entry(unsigned long vaddr
, phys_addr_t paddr
,
64 phys_size_t size
, int idx
)
66 if (idx
> CONFIG_SYS_NUM_ADDR_MAP
)
69 address_map
[idx
].vaddr
= vaddr
;
70 address_map
[idx
].paddr
= paddr
;
71 address_map
[idx
].size
= size
;