72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2008 Freescale Semiconductor, Inc.
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*/
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#include <common.h>
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#include <addr_map.h>
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static struct {
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phys_addr_t paddr;
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phys_size_t size;
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unsigned long vaddr;
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} address_map[CONFIG_SYS_NUM_ADDR_MAP];
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phys_addr_t addrmap_virt_to_phys(void * vaddr)
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{
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int i;
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for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
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u64 base, upper, addr;
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if (address_map[i].size == 0)
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continue;
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addr = (u64)((u32)vaddr);
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base = (u64)(address_map[i].vaddr);
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upper = (u64)(address_map[i].size) + base - 1;
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if (addr >= base && addr <= upper) {
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return addr - address_map[i].vaddr + address_map[i].paddr;
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}
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}
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return (phys_addr_t)(~0);
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}
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void *addrmap_phys_to_virt(phys_addr_t paddr)
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{
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int i;
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for (i = 0; i < CONFIG_SYS_NUM_ADDR_MAP; i++) {
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phys_addr_t base, upper;
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if (address_map[i].size == 0)
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continue;
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base = address_map[i].paddr;
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upper = address_map[i].size + base - 1;
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if (paddr >= base && paddr <= upper) {
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phys_addr_t offset;
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offset = address_map[i].paddr - address_map[i].vaddr;
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return (void *)(unsigned long)(paddr - offset);
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}
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}
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return (void *)(~0);
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}
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void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr,
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phys_size_t size, int idx)
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{
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if (idx > CONFIG_SYS_NUM_ADDR_MAP)
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return;
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address_map[idx].vaddr = vaddr;
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address_map[idx].paddr = paddr;
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address_map[idx].size = size;
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}
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