blob: f85fb0c7fb1b66f97980e1639dc66021ed503696 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2008 Freescale Semiconductor, Inc.
*/
#include <addr_map.h>
#include <mapmem.h>
struct addrmap address_map[CONFIG_SYS_NUM_ADDR_MAP];
phys_addr_t addrmap_virt_to_phys(void * vaddr)
{
int i;
for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
u64 base, upper, addr;
if (address_map[i].size == 0)
continue;
addr = map_to_sysmem(vaddr);
base = (u64)(address_map[i].vaddr);
upper = (u64)(address_map[i].size) + base - 1;
if (addr >= base && addr <= upper) {
return addr - address_map[i].vaddr + address_map[i].paddr;
}
}
return (phys_addr_t)(~0);
}
void *addrmap_phys_to_virt(phys_addr_t paddr)
{
int i;
for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
phys_addr_t base, upper;
if (address_map[i].size == 0)
continue;
base = address_map[i].paddr;
upper = address_map[i].size + base - 1;
if (paddr >= base && paddr <= upper) {
phys_addr_t offset;
offset = address_map[i].paddr - address_map[i].vaddr;
return map_sysmem(paddr - offset, 0);
}
}
return (void *)(~0);
}
void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr,
phys_size_t size, int idx)
{
if (idx >= CONFIG_SYS_NUM_ADDR_MAP)
return;
address_map[idx].vaddr = vaddr;
address_map[idx].paddr = paddr;
address_map[idx].size = size;
}
|
