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/*
* Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <lib/mmio.h>
#include "rcar_def.h"
#include "rom_api.h"
typedef uint32_t(*rom_secure_boot_api_f) (uint32_t *key, uint32_t *cert,
rom_read_flash_f pFuncReadFlash);
typedef uint32_t(*rom_get_lcs_api_f) (uint32_t *lcs);
#define OLD_API_TABLE1 (0U) /* H3 Ver.1.0/Ver.1.1 */
#define OLD_API_TABLE2 (1U) /* H3 Ver.2.0 */
#define OLD_API_TABLE3 (2U) /* M3 Ver.1.0 */
#define NEW_API_TABLE (3U) /* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
#define NEW_API_TABLE2 (4U) /* V3M WS1.0 */
#define API_TABLE_MAX (5U) /* table max */
/* Later than H3 Ver.2.0 */
static uint32_t get_table_index(void)
{
uint32_t product;
uint32_t cut_ver;
uint32_t index;
product = mmio_read_32(RCAR_PRR) & RCAR_PRODUCT_MASK;
cut_ver = mmio_read_32(RCAR_PRR) & RCAR_CUT_MASK;
switch (product) {
case RCAR_PRODUCT_H3:
if (cut_ver == RCAR_CUT_VER10)
index = OLD_API_TABLE1;
else if (cut_ver == RCAR_CUT_VER11)
index = OLD_API_TABLE1;
else if (cut_ver == RCAR_CUT_VER20)
index = OLD_API_TABLE2;
else
/* Later than H3 Ver.2.0 */
index = NEW_API_TABLE;
break;
case RCAR_PRODUCT_M3:
if (cut_ver == RCAR_CUT_VER10)
index = OLD_API_TABLE3;
else
/* M3 Ver.1.1 or later */
index = NEW_API_TABLE;
break;
case RCAR_PRODUCT_V3M:
if (cut_ver == RCAR_CUT_VER10)
/* V3M WS1.0 */
index = NEW_API_TABLE2;
else
/* V3M WS2.0 or later */
index = NEW_API_TABLE;
break;
default:
index = NEW_API_TABLE;
break;
}
return index;
}
uint32_t rcar_rom_secure_boot_api(uint32_t *key, uint32_t *cert,
rom_read_flash_f read_flash)
{
static const uintptr_t rom_api_table[API_TABLE_MAX] = {
0xEB10DD64U, /* H3 Ver.1.0/Ver.1.1 */
0xEB116ED4U, /* H3 Ver.2.0 */
0xEB1102FCU, /* M3 Ver.1.0 */
0xEB100180U, /* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
0xEB110128U, /* V3M WS1.0 */
};
rom_secure_boot_api_f secure_boot;
uint32_t index;
index = get_table_index();
secure_boot = (rom_secure_boot_api_f) rom_api_table[index];
return secure_boot(key, cert, read_flash);
}
uint32_t rcar_rom_get_lcs(uint32_t *lcs)
{
static const uintptr_t rom_get_lcs_table[API_TABLE_MAX] = {
0xEB10DFE0U, /* H3 Ver.1.0/Ver.1.1 */
0xEB117150U, /* H3 Ver.2.0 */
0xEB110578U, /* M3 Ver.1.0 */
0xEB10018CU, /* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
0xEB1103A4U, /* V3M WS1.0 */
};
rom_get_lcs_api_f get_lcs;
uint32_t index;
index = get_table_index();
get_lcs = (rom_get_lcs_api_f) rom_get_lcs_table[index];
return get_lcs(lcs);
}
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