]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - lib/addr_map.c
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright 2008 Freescale Semiconductor, Inc.
13 } address_map
[CONFIG_SYS_NUM_ADDR_MAP
];
15 phys_addr_t
addrmap_virt_to_phys(void * vaddr
)
19 for (i
= 0; i
< CONFIG_SYS_NUM_ADDR_MAP
; i
++) {
20 u64 base
, upper
, addr
;
22 if (address_map
[i
].size
== 0)
25 addr
= (u64
)((u32
)vaddr
);
26 base
= (u64
)(address_map
[i
].vaddr
);
27 upper
= (u64
)(address_map
[i
].size
) + base
- 1;
29 if (addr
>= base
&& addr
<= upper
) {
30 return addr
- address_map
[i
].vaddr
+ address_map
[i
].paddr
;
34 return (phys_addr_t
)(~0);
37 void *addrmap_phys_to_virt(phys_addr_t paddr
)
41 for (i
= 0; i
< CONFIG_SYS_NUM_ADDR_MAP
; i
++) {
42 phys_addr_t base
, upper
;
44 if (address_map
[i
].size
== 0)
47 base
= address_map
[i
].paddr
;
48 upper
= address_map
[i
].size
+ base
- 1;
50 if (paddr
>= base
&& paddr
<= upper
) {
53 offset
= address_map
[i
].paddr
- address_map
[i
].vaddr
;
55 return (void *)(unsigned long)(paddr
- offset
);
62 void addrmap_set_entry(unsigned long vaddr
, phys_addr_t paddr
,
63 phys_size_t size
, int idx
)
65 if (idx
> CONFIG_SYS_NUM_ADDR_MAP
)
68 address_map
[idx
].vaddr
= vaddr
;
69 address_map
[idx
].paddr
= paddr
;
70 address_map
[idx
].size
= size
;