125 lines
4.6 KiB
C
125 lines
4.6 KiB
C
/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <debug.h>
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#include <arch/arm/mmu.h>
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#include <arch/ops.h>
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#include <mmu.h>
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#include <string.h>
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#include <smem.h>
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/* COMMON memory - cacheable, write through */
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#define COMMON_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
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MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN)
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#define MB (1024 * 1024)
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static mmu_section_t ramdump_mmu_section_table_4gb[] =
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{
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/* Physical addr, Virtual addr, Mapping type , Size (in MB), Flags */
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{ 0xC0000000, 0xC0000000, MMU_L2_NS_SECTION_MAPPING, 512, COMMON_MEMORY},
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{ 0x100000000, 0xC0000000, MMU_L2_NS_SECTION_MAPPING, 1024, COMMON_MEMORY},
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/* This entry is 484 MB because the hyp uses last 28MB for page tables */
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{ 0x140000000, 0xC0000000, MMU_L2_NS_SECTION_MAPPING, 484, COMMON_MEMORY},
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};
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static mmu_section_t ramdump_mmu_section_table_3gb[] =
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{
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/* Physical addr, Virtual addr, Mapping type , Size (in MB), Flags */
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{ 0x20000000, 0x20000000, MMU_L2_NS_SECTION_MAPPING, 512, COMMON_MEMORY},
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{ 0xC0000000, 0xC0000000, MMU_L2_NS_SECTION_MAPPING, 484, COMMON_MEMORY},
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};
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uint32_t vaddr_4gb[] = {0xc2300000, 0xcd000000, 0xde000000};
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uint64_t paddr_4gb[] = {0xc2300000, 0x10d000000, 0x15e000000};
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uint32_t vaddr_3gb[] = {0x23000000, 0xcd000000, 0xde000000};
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uint64_t paddr_3gb[] = {0x23000000, 0xcd000000, 0xde000000};
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void ramdump_table_map()
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{
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uint32_t i, j;
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uint32_t table_sz = 0;
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char *ptr = NULL;
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bool pass_access = true;
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bool pass_conversion = true;
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uint64_t paddr_v;
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uint32_t vaddr_v;
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uint32_t *vaddr = NULL;
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uint64_t *paddr = NULL;
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mmu_section_t *ramdump_mmu_section_table = NULL;
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if (smem_get_ddr_size() == MEM_4GB)
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{
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vaddr = vaddr_4gb;
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paddr = paddr_4gb;
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ramdump_mmu_section_table = ramdump_mmu_section_table_4gb;
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table_sz = ARRAY_SIZE(ramdump_mmu_section_table_4gb);
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}
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else if (smem_get_ddr_size() == MEM_3GB)
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{
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vaddr = vaddr_3gb;
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paddr = paddr_3gb;
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ramdump_mmu_section_table = ramdump_mmu_section_table_3gb;
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table_sz = ARRAY_SIZE(ramdump_mmu_section_table_3gb);
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}
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for (i = 0 ; i < table_sz; i++)
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{
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arm_mmu_map_entry(&ramdump_mmu_section_table[i]);
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vaddr_v = physical_to_virtual_mapping(paddr[i]);
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if (vaddr_v != vaddr[i])
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pass_conversion = false;
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paddr_v = virtual_to_physical_mapping(vaddr[i]);
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if (paddr_v != paddr[i])
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pass_conversion = false;
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ptr = (char *)(uintptr_t)ramdump_mmu_section_table[i].vaddress;
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for (j = 0 ; j < (ramdump_mmu_section_table[i].size * MB)/6; j++)
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{
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strlcpy(ptr, "hello", 6);
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ptr+=6;
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}
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ptr = (char *)(uintptr_t)ramdump_mmu_section_table[i].vaddress;
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for (j = 0 ; j < (ramdump_mmu_section_table[i].size * MB)/6; j++)
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{
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if (memcmp((void *)ptr, "hello", 5))
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{
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pass_access = false;
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break;
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}
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ptr+=6;
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}
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if (pass_access)
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dprintf(CRITICAL, "LAPE TEST PASS for addr: 0x%llx\n", ramdump_mmu_section_table[i].paddress);
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}
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if (pass_conversion)
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dprintf(CRITICAL, "Physical to virtual conversion TEST PASS\n");
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}
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