1 /*
2 * Copyright 2022-2023 NXP
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include "fsl_silicon_id.h"
8 #if defined(SIM)
9 #include "fsl_sim.h"
10 #elif defined(FSL_FEATURE_SYSCON_IAP_ENTRY_LOCATION)
11 #include "fsl_iap.h"
12 #elif (defined(FSL_FEATURE_SYSCON_ROMAPI) && (FSL_FEATURE_SYSCON_ROMAPI == 1))
13 #include "fsl_flash.h"
14 #include "fsl_flash_ffr.h"
15 #endif
16
17 /* Component ID definition, used by tools. */
18 #ifndef FSL_COMPONENT_ID
19 #define FSL_COMPONENT_ID "component.silicon_id"
20 #endif
21
SILICONID_GetID(uint8_t * siliconId,uint32_t * idLen)22 status_t SILICONID_GetID(uint8_t *siliconId, uint32_t *idLen)
23 {
24 assert((siliconId != NULL) && (idLen != NULL) && (*idLen != 0U));
25
26 status_t result = kStatus_Fail;
27
28 #if defined(SIM)
29 assert(sizeof(sim_uid_t) <= SILICONID_MAX_LENGTH);
30 uint32_t readBytes = *idLen;
31 sim_uid_t uid;
32 SIM_GetUniqueId(&uid);
33 readBytes = (readBytes > sizeof(sim_uid_t)) ? sizeof(sim_uid_t) : readBytes;
34 (void)memcpy((void *)&siliconId[0], (void *)(uint8_t *)&uid, readBytes);
35 *idLen = readBytes;
36 result = kStatus_Success;
37 #elif defined(FSL_FEATURE_SYSCON_IAP_ENTRY_LOCATION)
38 uint32_t readBytes = *idLen;
39 uint8_t uid[16];
40 result = IAP_ReadUniqueID((uint32_t *)(uintptr_t)&uid[0]);
41 if (result == kStatus_Success)
42 {
43 readBytes = (readBytes > 16U) ? 16U : readBytes;
44 (void)memcpy((void *)&siliconId[0], (void *)&uid[0], readBytes);
45 *idLen = readBytes;
46 }
47 else
48 {
49 *idLen = 0;
50 }
51 #elif (defined(FSL_FEATURE_SYSCON_ROMAPI) && FSL_FEATURE_SYSCON_ROMAPI)
52 flash_config_t s_flashDriver;
53 (void)memset(&s_flashDriver, 0, sizeof(flash_config_t));
54
55 result = FLASH_Init(&s_flashDriver);
56
57 if (result == kStatus_Success)
58 {
59 result = FFR_Init(&s_flashDriver);
60
61 if (result == kStatus_Success)
62 {
63 result = FFR_GetUUID(&s_flashDriver, siliconId);
64 *idLen = 4;
65 }
66 }
67 #else
68 extern status_t SILICONID_ReadUniqueID(uint8_t *siliconId, uint32_t *idLen);
69 result = SILICONID_ReadUniqueID(&siliconId[0], idLen);
70 #endif
71
72 return result;
73 }
74
SILICONID_ConvertToMacAddr(uint8_t (* macAddr)[6])75 status_t SILICONID_ConvertToMacAddr(uint8_t (*macAddr)[6])
76 {
77 status_t result;
78
79 uint8_t siliconId[SILICONID_MAX_LENGTH];
80 uint32_t idLen = sizeof(siliconId);
81
82 result = SILICONID_GetID(&siliconId[0], &idLen);
83 if (result != kStatus_Success)
84 {
85 return result;
86 }
87
88 /* Valid ID should > 3. */
89 assert(idLen >= 3U);
90
91 /* Set NXP OUI. */
92 macAddr[0][0] = 0x54;
93 macAddr[0][1] = 0x27;
94 macAddr[0][2] = 0x8d;
95
96 /* Set with silicon id. */
97 macAddr[0][3] = siliconId[0];
98 macAddr[0][4] = siliconId[1];
99 macAddr[0][5] = siliconId[2];
100
101 return result;
102 }
103
