Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020-2022, Intel Corporation. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <arch_helpers.h> |
| 8 | #include <lib/mmio.h> |
| 9 | |
| 10 | #include "socfpga_fcs.h" |
| 11 | #include "socfpga_mailbox.h" |
| 12 | #include "socfpga_sip_svc.h" |
| 13 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 14 | bool is_size_4_bytes_aligned(uint32_t size) |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 15 | { |
| 16 | if ((size % MBOX_WORD_BYTE) != 0U) { |
| 17 | return false; |
| 18 | } else { |
| 19 | return true; |
| 20 | } |
| 21 | } |
| 22 | |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 23 | uint32_t intel_fcs_random_number_gen(uint64_t addr, uint64_t *ret_size, |
| 24 | uint32_t *mbox_error) |
| 25 | { |
| 26 | int status; |
| 27 | unsigned int i; |
| 28 | unsigned int resp_len = FCS_RANDOM_WORD_SIZE; |
| 29 | uint32_t random_data[FCS_RANDOM_WORD_SIZE] = {0U}; |
| 30 | |
| 31 | if (!is_address_in_ddr_range(addr, FCS_RANDOM_BYTE_SIZE)) { |
| 32 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 33 | } |
| 34 | |
| 35 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_RANDOM_GEN, NULL, 0U, |
| 36 | CMD_CASUAL, random_data, &resp_len); |
| 37 | |
| 38 | if (status < 0) { |
| 39 | *mbox_error = -status; |
| 40 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 41 | } |
| 42 | |
| 43 | if (resp_len != FCS_RANDOM_WORD_SIZE) { |
| 44 | *mbox_error = GENERIC_RESPONSE_ERROR; |
| 45 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 46 | } |
| 47 | |
| 48 | *ret_size = FCS_RANDOM_BYTE_SIZE; |
| 49 | |
| 50 | for (i = 0U; i < FCS_RANDOM_WORD_SIZE; i++) { |
| 51 | mmio_write_32(addr, random_data[i]); |
| 52 | addr += MBOX_WORD_BYTE; |
| 53 | } |
| 54 | |
| 55 | flush_dcache_range(addr - *ret_size, *ret_size); |
| 56 | |
| 57 | return INTEL_SIP_SMC_STATUS_OK; |
| 58 | } |
| 59 | |
| 60 | uint32_t intel_fcs_send_cert(uint64_t addr, uint64_t size, |
| 61 | uint32_t *send_id) |
| 62 | { |
| 63 | int status; |
| 64 | |
| 65 | if (!is_address_in_ddr_range(addr, size)) { |
| 66 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 67 | } |
| 68 | |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 69 | if (!is_size_4_bytes_aligned(size)) { |
| 70 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 71 | } |
| 72 | |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 73 | status = mailbox_send_cmd_async(send_id, MBOX_CMD_VAB_SRC_CERT, |
| 74 | (uint32_t *)addr, size / MBOX_WORD_BYTE, |
| 75 | CMD_DIRECT); |
| 76 | |
| 77 | if (status < 0) { |
| 78 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 79 | } |
| 80 | |
| 81 | return INTEL_SIP_SMC_STATUS_OK; |
| 82 | } |
| 83 | |
| 84 | uint32_t intel_fcs_get_provision_data(uint32_t *send_id) |
| 85 | { |
| 86 | int status; |
| 87 | |
| 88 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_GET_PROVISION, |
| 89 | NULL, 0U, CMD_DIRECT); |
| 90 | |
| 91 | if (status < 0) { |
| 92 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 93 | } |
| 94 | |
| 95 | return INTEL_SIP_SMC_STATUS_OK; |
| 96 | } |
| 97 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 98 | uint32_t intel_fcs_encryption(uint32_t src_addr, uint32_t src_size, |
| 99 | uint32_t dst_addr, uint32_t dst_size, uint32_t *send_id) |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 100 | { |
| 101 | int status; |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 102 | uint32_t load_size; |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 103 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 104 | fcs_encrypt_payload payload = { |
| 105 | FCS_ENCRYPTION_DATA_0, |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 106 | src_addr, |
| 107 | src_size, |
| 108 | dst_addr, |
| 109 | dst_size }; |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 110 | load_size = sizeof(payload) / MBOX_WORD_BYTE; |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 111 | |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 112 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 113 | !is_address_in_ddr_range(dst_addr, dst_size)) { |
| 114 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 115 | } |
| 116 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 117 | if (!is_size_4_bytes_aligned(src_size)) { |
Sieu Mun Tang | db79fa5 | 2022-03-20 00:49:57 +0800 | [diff] [blame] | 118 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 119 | } |
| 120 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 121 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_ENCRYPT_REQ, |
| 122 | (uint32_t *) &payload, load_size, |
| 123 | CMD_INDIRECT); |
| 124 | inv_dcache_range(dst_addr, dst_size); |
| 125 | |
| 126 | if (status < 0) { |
| 127 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 128 | } |
| 129 | |
| 130 | return INTEL_SIP_SMC_STATUS_OK; |
| 131 | } |
| 132 | |
| 133 | uint32_t intel_fcs_decryption(uint32_t src_addr, uint32_t src_size, |
| 134 | uint32_t dst_addr, uint32_t dst_size, uint32_t *send_id) |
| 135 | { |
| 136 | int status; |
| 137 | uint32_t load_size; |
| 138 | uintptr_t id_offset; |
| 139 | |
| 140 | id_offset = src_addr + FCS_OWNER_ID_OFFSET; |
| 141 | fcs_decrypt_payload payload = { |
| 142 | FCS_DECRYPTION_DATA_0, |
| 143 | {mmio_read_32(id_offset), |
| 144 | mmio_read_32(id_offset + MBOX_WORD_BYTE)}, |
| 145 | src_addr, |
| 146 | src_size, |
| 147 | dst_addr, |
| 148 | dst_size }; |
| 149 | load_size = sizeof(payload) / MBOX_WORD_BYTE; |
| 150 | |
| 151 | if (!is_address_in_ddr_range(src_addr, src_size) || |
| 152 | !is_address_in_ddr_range(dst_addr, dst_size)) { |
| 153 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 154 | } |
| 155 | |
| 156 | if (!is_size_4_bytes_aligned(src_size)) { |
| 157 | return INTEL_SIP_SMC_STATUS_REJECTED; |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 158 | } |
| 159 | |
Sieu Mun Tang | 128d2a7 | 2022-05-11 09:49:25 +0800 | [diff] [blame^] | 160 | status = mailbox_send_cmd_async(send_id, MBOX_FCS_DECRYPT_REQ, |
| 161 | (uint32_t *) &payload, load_size, |
Sieu Mun Tang | 9f22cbf | 2022-03-02 11:04:09 +0800 | [diff] [blame] | 162 | CMD_INDIRECT); |
| 163 | inv_dcache_range(dst_addr, dst_size); |
| 164 | |
| 165 | if (status < 0) { |
| 166 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 167 | } |
| 168 | |
| 169 | return INTEL_SIP_SMC_STATUS_OK; |
| 170 | } |
Sieu Mun Tang | a34b881 | 2022-03-17 03:11:55 +0800 | [diff] [blame] | 171 | |
| 172 | uint32_t intel_fcs_get_rom_patch_sha384(uint64_t addr, uint64_t *ret_size, |
| 173 | uint32_t *mbox_error) |
| 174 | { |
| 175 | int status; |
| 176 | unsigned int resp_len = FCS_SHA384_WORD_SIZE; |
| 177 | |
| 178 | if (!is_address_in_ddr_range(addr, FCS_SHA384_BYTE_SIZE)) { |
| 179 | return INTEL_SIP_SMC_STATUS_REJECTED; |
| 180 | } |
| 181 | |
| 182 | status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_GET_ROM_PATCH_SHA384, NULL, 0U, |
| 183 | CMD_CASUAL, (uint32_t *) addr, &resp_len); |
| 184 | |
| 185 | if (status < 0) { |
| 186 | *mbox_error = -status; |
| 187 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 188 | } |
| 189 | |
| 190 | if (resp_len != FCS_SHA384_WORD_SIZE) { |
| 191 | *mbox_error = GENERIC_RESPONSE_ERROR; |
| 192 | return INTEL_SIP_SMC_STATUS_ERROR; |
| 193 | } |
| 194 | |
| 195 | *ret_size = FCS_SHA384_BYTE_SIZE; |
| 196 | |
| 197 | flush_dcache_range(addr, *ret_size); |
| 198 | |
| 199 | return INTEL_SIP_SMC_STATUS_OK; |
| 200 | } |