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https://github.com/AsahiLinux/u-boot
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281996110c
Update this feature so that it works on sandbox, using a basic identity mapping. This allows us to run the 'ut addrmap' test. Also fix up the test to use the correct macros to access the linker list, so that the 'ut addrmap' command actually works. Signed-off-by: Simon Glass <sjg@chromium.org>
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
// 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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#include <mapmem.h>
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struct addrmap 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 = map_to_sysmem(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 map_sysmem(paddr - offset, 0);
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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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