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107 lines
2.6 KiB
107 lines
2.6 KiB
/*
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* Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdint.h>
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#include <lib/mmio.h>
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#include "rcar_def.h"
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#include "rom_api.h"
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typedef uint32_t(*rom_secure_boot_api_f) (uint32_t *key, uint32_t *cert,
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rom_read_flash_f pFuncReadFlash);
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typedef uint32_t(*rom_get_lcs_api_f) (uint32_t *lcs);
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#define OLD_API_TABLE1 (0U) /* H3 Ver.1.0/Ver.1.1 */
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#define OLD_API_TABLE2 (1U) /* H3 Ver.2.0 */
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#define OLD_API_TABLE3 (2U) /* M3 Ver.1.0 */
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#define NEW_API_TABLE (3U) /* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
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#define NEW_API_TABLE2 (4U) /* V3M WS1.0 */
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#define API_TABLE_MAX (5U) /* table max */
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/* Later than H3 Ver.2.0 */
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static uint32_t get_table_index(void)
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{
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uint32_t product;
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uint32_t cut_ver;
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uint32_t index;
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product = mmio_read_32(RCAR_PRR) & PRR_PRODUCT_MASK;
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cut_ver = mmio_read_32(RCAR_PRR) & PRR_CUT_MASK;
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switch (product) {
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case PRR_PRODUCT_H3:
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if (cut_ver == PRR_PRODUCT_10)
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index = OLD_API_TABLE1;
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else if (cut_ver == PRR_PRODUCT_11)
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index = OLD_API_TABLE1;
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else if (cut_ver == PRR_PRODUCT_20)
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index = OLD_API_TABLE2;
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else
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/* Later than H3 Ver.2.0 */
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index = NEW_API_TABLE;
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break;
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case PRR_PRODUCT_M3:
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if (cut_ver == PRR_PRODUCT_10)
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index = OLD_API_TABLE3;
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else
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/* M3 Ver.1.1 or later */
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index = NEW_API_TABLE;
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break;
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case PRR_PRODUCT_V3M:
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if (cut_ver == PRR_PRODUCT_10)
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/* V3M WS1.0 */
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index = NEW_API_TABLE2;
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else
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/* V3M WS2.0 or later */
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index = NEW_API_TABLE;
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break;
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default:
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index = NEW_API_TABLE;
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break;
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}
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return index;
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}
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uint32_t rcar_rom_secure_boot_api(uint32_t *key, uint32_t *cert,
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rom_read_flash_f read_flash)
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{
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static const uintptr_t rom_api_table[API_TABLE_MAX] = {
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0xEB10DD64U, /* H3 Ver.1.0/Ver.1.1 */
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0xEB116ED4U, /* H3 Ver.2.0 */
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0xEB1102FCU, /* M3 Ver.1.0 */
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0xEB100180U, /* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
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0xEB110128U, /* V3M WS1.0 */
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};
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rom_secure_boot_api_f secure_boot;
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uint32_t index;
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index = get_table_index();
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secure_boot = (rom_secure_boot_api_f) rom_api_table[index];
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return secure_boot(key, cert, read_flash);
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}
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uint32_t rcar_rom_get_lcs(uint32_t *lcs)
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{
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static const uintptr_t rom_get_lcs_table[API_TABLE_MAX] = {
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0xEB10DFE0U, /* H3 Ver.1.0/Ver.1.1 */
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0xEB117150U, /* H3 Ver.2.0 */
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0xEB110578U, /* M3 Ver.1.0 */
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0xEB10018CU, /* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
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0xEB1103A4U, /* V3M WS1.0 */
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};
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rom_get_lcs_api_f get_lcs;
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uint32_t index;
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index = get_table_index();
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get_lcs = (rom_get_lcs_api_f) rom_get_lcs_table[index];
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return get_lcs(lcs);
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}
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