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rcar_gen3: drivers: rom api

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Signed-off-by: ldts <jramirez@baylibre.com>
This commit is contained in:
Jorge Ramirez-Ortiz 2018-09-23 09:41:21 +02:00 • committed by ldts
parent 32c70e4046
commit 0709efbef5
2 changed files with 124 additions and 0 deletions
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93
drivers/renesas/rcar/rom/rom_api.c Normal file
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/*
* Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <mmio.h>
#include <stdint.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 */
#define API_TABLE_MAX (4U) /* 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;
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 */
};
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 */
};
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);
}

31
drivers/renesas/rcar/rom/rom_api.h Normal file
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/*
* Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ROM_API_H__
#define ROM_API_H__
#include <stdint.h>
#define SBROM_OK (0x00000000U)
#define SBROM_ILLEGAL_INPUT_PARAM_ERR (0x0B000001U)
#define SBROM_ILLEGAL_OEM_HASH_VALUE_ERR (0x0B000008U)
#define SBROM_ILLEGAL_LCS_FOR_OPERATION_ERR (0x0B000010U)
#define SBROM_HASH_NOT_PROGRAMMED_ERR (0x0B000100U)
#define SBROM_PUB_KEY_HASH_VALIDATION_FAILURE (0xF1000006U)
#define SBROM_RSA_SIG_VERIFICATION_FAILED (0xF1000007U)
#define LCS_CM (0x0U)
#define LCS_DM (0x1U)
#define LCS_SD (0x3U)
#define LCS_SE (0x5U)
#define LCS_FA (0x7U)
typedef uint32_t(*rom_read_flash_f) (uint64_t src, uint8_t *dst, uint32_t len);
uint32_t rcar_rom_secure_boot_api(uint32_t *key, uint32_t *cert,
rom_read_flash_f f);
uint32_t rcar_rom_get_lcs(uint32_t *lcs);
#endif