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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /drivers/renesas/common/rom/rom_api.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/renesas/common/rom/rom_api.c')
-rw-r--r-- | drivers/renesas/common/rom/rom_api.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/renesas/common/rom/rom_api.c b/drivers/renesas/common/rom/rom_api.c new file mode 100644 index 0000000..fda2815 --- /dev/null +++ b/drivers/renesas/common/rom/rom_api.c @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2015-2019, 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) & PRR_PRODUCT_MASK; + cut_ver = mmio_read_32(RCAR_PRR) & PRR_CUT_MASK; + + switch (product) { + case PRR_PRODUCT_H3: + if (cut_ver == PRR_PRODUCT_10) + index = OLD_API_TABLE1; + else if (cut_ver == PRR_PRODUCT_11) + index = OLD_API_TABLE1; + else if (cut_ver == PRR_PRODUCT_20) + index = OLD_API_TABLE2; + else + /* Later than H3 Ver.2.0 */ + index = NEW_API_TABLE; + break; + case PRR_PRODUCT_M3: + if (cut_ver == PRR_PRODUCT_10) + index = OLD_API_TABLE3; + else + /* M3 Ver.1.1 or later */ + index = NEW_API_TABLE; + break; + case PRR_PRODUCT_V3M: + if (cut_ver == PRR_PRODUCT_10) + /* 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); +} |