1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2008 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <addr_map.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun static struct {
11*4882a593Smuzhiyun phys_addr_t paddr;
12*4882a593Smuzhiyun phys_size_t size;
13*4882a593Smuzhiyun unsigned long vaddr;
14*4882a593Smuzhiyun } address_map[CONFIG_SYS_NUM_ADDR_MAP];
15*4882a593Smuzhiyun
addrmap_virt_to_phys(void * vaddr)16*4882a593Smuzhiyun phys_addr_t addrmap_virt_to_phys(void * vaddr)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun int i;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
21*4882a593Smuzhiyun u64 base, upper, addr;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun if (address_map[i].size == 0)
24*4882a593Smuzhiyun continue;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun addr = (u64)((u32)vaddr);
27*4882a593Smuzhiyun base = (u64)(address_map[i].vaddr);
28*4882a593Smuzhiyun upper = (u64)(address_map[i].size) + base - 1;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun if (addr >= base && addr <= upper) {
31*4882a593Smuzhiyun return addr - address_map[i].vaddr + address_map[i].paddr;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun return (phys_addr_t)(~0);
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
addrmap_phys_to_virt(phys_addr_t paddr)38*4882a593Smuzhiyun void *addrmap_phys_to_virt(phys_addr_t paddr)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun int i;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
43*4882a593Smuzhiyun phys_addr_t base, upper;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun if (address_map[i].size == 0)
46*4882a593Smuzhiyun continue;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun base = address_map[i].paddr;
49*4882a593Smuzhiyun upper = address_map[i].size + base - 1;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun if (paddr >= base && paddr <= upper) {
52*4882a593Smuzhiyun phys_addr_t offset;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun offset = address_map[i].paddr - address_map[i].vaddr;
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun return (void *)(unsigned long)(paddr - offset);
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun return (void *)(~0);
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
addrmap_set_entry(unsigned long vaddr,phys_addr_t paddr,phys_size_t size,int idx)63*4882a593Smuzhiyun void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr,
64*4882a593Smuzhiyun phys_size_t size, int idx)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun if (idx > CONFIG_SYS_NUM_ADDR_MAP)
67*4882a593Smuzhiyun return;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun address_map[idx].vaddr = vaddr;
70*4882a593Smuzhiyun address_map[idx].paddr = paddr;
71*4882a593Smuzhiyun address_map[idx].size = size;
72*4882a593Smuzhiyun }
73