1 /*
2  * Copyright 2018-2021 NXP
3  * All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  *
7  */
8 
9 #include "fsl_iap.h"
10 #include "fsl_iap_ffr.h"
11 #include "fsl_iap_kbp.h"
12 #include "fsl_iap_skboot_authenticate.h"
13 #include "fsl_device_registers.h"
14 /*******************************************************************************
15  * Definitions
16  ******************************************************************************/
17 /* Component ID definition, used by tools. */
18 #ifndef FSL_COMPONENT_ID
19 #define FSL_COMPONENT_ID "platform.drivers.iap1"
20 #endif
21 
22 #if (defined(LPC5512_SERIES) || defined(LPC5514_SERIES) || defined(LPC55S14_SERIES) || defined(LPC5516_SERIES) || \
23      defined(LPC55S16_SERIES) || defined(LPC5524_SERIES) || defined(LPC5502_SERIES) || defined(LPC5504_SERIES) || \
24      defined(LPC5506_SERIES) || defined(LPC55S04_SERIES) || defined(LPC55S06_SERIES))
25 
26 #define BOOTLOADER_API_TREE_POINTER ((bootloader_tree_t *)0x1301fe00U)
27 
28 #elif (defined(LPC55S69_cm33_core0_SERIES) || defined(LPC55S69_cm33_core1_SERIES) || defined(LPC5526_SERIES) || \
29        defined(LPC55S26_SERIES) || defined(LPC5528_SERIES) || defined(LPC55S28_SERIES) ||                       \
30        defined(LPC55S66_cm33_core0_SERIES) || defined(LPC55S66_cm33_core1_SERIES))
31 
32 #define BOOTLOADER_API_TREE_POINTER ((bootloader_tree_t *)0x130010f0U)
33 
34 #else
35 #error "No valid CPU defined!"
36 
37 #endif
38 
39 /*******************************************************************************
40  * Prototypes
41  ******************************************************************************/
42 static status_t get_cfpa_higher_version(flash_config_t *config);
43 
44 /*!
45  * @name flash and ffr Structure
46  * @{
47  */
48 
49 typedef union functionCommandOption
50 {
51     uint32_t commandAddr;
52     status_t (*eraseCommand)(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key);
53     status_t (*programCommand)(flash_config_t *config, uint32_t start, const uint8_t *src, uint32_t lengthInBytes);
54     status_t (*verifyProgramCommand)(flash_config_t *config,
55                                      uint32_t start,
56                                      uint32_t lengthInBytes,
57                                      const uint8_t *expectedData,
58                                      uint32_t *failedAddress,
59                                      uint32_t *failedData);
60     status_t (*flashReadCommand)(flash_config_t *config, uint32_t start, uint8_t *dest, uint32_t lengthInBytes);
61 } function_command_option_t;
62 
63 /*
64  *!@brief Structure of version property.
65  *
66  *!@ingroup bl_core
67  */
68 typedef union StandardVersion
69 {
70     struct
71     {
72         uint32_t bugfix : 8; /*!< bugfix version [7:0] */
73         uint32_t minor : 8;  /*!< minor version [15:8] */
74         uint32_t major : 8;  /*!< major version [23:16] */
75         uint32_t name : 8;   /*!< name [31:24] */
76     };
77     uint32_t version; /*!< combined version numbers. */
78 #if defined(__cplusplus)
StandardVersion()79     StandardVersion() : version(0)
80     {
81     }
StandardVersion(uint32_t version)82     StandardVersion(uint32_t version) : version(version)
83     {
84     }
85 #endif
86 } standard_version_t;
87 
88 /*! @brief Interface for the flash driver.*/
89 typedef struct version1FlashDriverInterface
90 {
91     standard_version_t version; /*!< flash driver API version number.*/
92 
93     /*!< Flash driver.*/
94     status_t (*flash_init)(flash_config_t *config);
95     status_t (*flash_erase)(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key);
96     status_t (*flash_program)(flash_config_t *config, uint32_t start, const uint8_t *src, uint32_t lengthInBytes);
97     status_t (*flash_verify_erase)(flash_config_t *config, uint32_t start, uint32_t lengthInBytes);
98     status_t (*flash_verify_program)(flash_config_t *config,
99                                      uint32_t start,
100                                      uint32_t lengthInBytes,
101                                      const uint8_t *expectedData,
102                                      uint32_t *failedAddress,
103                                      uint32_t *failedData);
104     status_t (*flash_get_property)(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t *value);
105     uint32_t reserved[3]; /*! Reserved for future use */
106     /*!< Flash FFR driver*/
107     status_t (*ffr_init)(flash_config_t *config);
108     status_t (*ffr_lock_all)(flash_config_t *config);
109     status_t (*ffr_cust_factory_page_write)(flash_config_t *config, uint8_t *page_data, bool seal_part);
110     status_t (*ffr_get_uuid)(flash_config_t *config, uint8_t *uuid);
111     status_t (*ffr_get_customer_data)(flash_config_t *config, uint8_t *pData, uint32_t offset, uint32_t len);
112     status_t (*ffr_keystore_write)(flash_config_t *config, ffr_key_store_t *pKeyStore);
113     status_t (*ffr_keystore_get_ac)(flash_config_t *config, uint8_t *pActivationCode);
114     status_t (*ffr_keystore_get_kc)(flash_config_t *config, uint8_t *pKeyCode, ffr_key_type_t keyIndex);
115     status_t (*ffr_infield_page_write)(flash_config_t *config, uint8_t *page_data, uint32_t valid_len);
116     status_t (*ffr_get_customer_infield_data)(flash_config_t *config, uint8_t *pData, uint32_t offset, uint32_t len);
117 } version1_flash_driver_interface_t;
118 
119 /*! @brief Interface for the flash driver.*/
120 typedef struct version0FlashDriverInterface
121 {
122     standard_version_t version; /*!< flash driver API version number.*/
123 
124     /*!< Flash driver.*/
125     status_t (*flash_init)(flash_config_t *config);
126     status_t (*flash_erase)(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key);
127     status_t (*flash_program)(flash_config_t *config, uint32_t start, const uint8_t *src, uint32_t lengthInBytes);
128     status_t (*flash_verify_erase)(flash_config_t *config, uint32_t start, uint32_t lengthInBytes);
129     status_t (*flash_verify_program)(flash_config_t *config,
130                                      uint32_t start,
131                                      uint32_t lengthInBytes,
132                                      const uint8_t *expectedData,
133                                      uint32_t *failedAddress,
134                                      uint32_t *failedData);
135     status_t (*flash_get_property)(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t *value);
136 
137     /*!< Flash FFR driver*/
138     status_t (*ffr_init)(flash_config_t *config);
139     status_t (*ffr_lock_all)(flash_config_t *config);
140     status_t (*ffr_cust_factory_page_write)(flash_config_t *config, uint8_t *page_data, bool seal_part);
141     status_t (*ffr_get_uuid)(flash_config_t *config, uint8_t *uuid);
142     status_t (*ffr_get_customer_data)(flash_config_t *config, uint8_t *pData, uint32_t offset, uint32_t len);
143     status_t (*ffr_keystore_write)(flash_config_t *config, ffr_key_store_t *pKeyStore);
144     status_t (*ffr_keystore_get_ac)(flash_config_t *config, uint8_t *pActivationCode);
145     status_t (*ffr_keystore_get_kc)(flash_config_t *config, uint8_t *pKeyCode, ffr_key_type_t keyIndex);
146     status_t (*ffr_infield_page_write)(flash_config_t *config, uint8_t *page_data, uint32_t valid_len);
147     status_t (*ffr_get_customer_infield_data)(flash_config_t *config, uint8_t *pData, uint32_t offset, uint32_t len);
148 } version0_flash_driver_interface_t;
149 
150 typedef union flashDriverInterface
151 {
152     const version1_flash_driver_interface_t *version1FlashDriver;
153     const version0_flash_driver_interface_t *version0FlashDriver;
154 } flash_driver_interface_t;
155 
156 /*! @}*/
157 
158 /*!
159  * @name Bootloader API and image authentication Structure
160  * @{
161  */
162 
163 /*! @brief Interface for Bootloader API functions. */
164 typedef struct _kb_interface
165 {
166     /*!< Initialize the API. */
167     status_t (*kb_init_function)(kb_session_ref_t **session, const kb_options_t *options);
168     status_t (*kb_deinit_function)(kb_session_ref_t *session);
169     status_t (*kb_execute_function)(kb_session_ref_t *session, const uint8_t *data, uint32_t dataLength);
170 } kb_interface_t;
171 
172 //! @brief Interface for image authentication API
173 typedef struct _skboot_authenticate_interface
174 {
175     skboot_status_t (*skboot_authenticate_function)(const uint8_t *imageStartAddr, secure_bool_t *isSignVerified);
176     void (*skboot_hashcrypt_irq_handler)(void);
177 } skboot_authenticate_interface_t;
178 /*! @}*/
179 
180 /*!
181  * @brief Root of the bootloader API tree.
182  *
183  * An instance of this struct resides in read-only memory in the bootloader. It
184  * provides a user application access to APIs exported by the bootloader.
185  *
186  * @note The order of existing fields must not be changed.
187  */
188 typedef struct BootloaderTree
189 {
190     void (*runBootloader)(void *arg);      /*!< Function to start the bootloader executing. */
191     standard_version_t bootloader_version; /*!< Bootloader version number. */
192     const char *copyright;                 /*!< Copyright string. */
193     const uint32_t reserved0;              /*!< Do NOT use. */
194     flash_driver_interface_t flashDriver;
195     const kb_interface_t *kbApi;                               /*!< Bootloader API. */
196     const uint32_t reserved1[4];                               /*!< Do NOT use. */
197     const skboot_authenticate_interface_t *skbootAuthenticate; /*!< Image authentication API. */
198 } bootloader_tree_t;
199 
200 /*******************************************************************************
201  * Prototype
202  ******************************************************************************/
203 static uint32_t get_rom_api_version(void);
204 
205 /*******************************************************************************
206  * Variables
207  ******************************************************************************/
208 
209 /*! Get pointer to flash driver API table in ROM. */
210 #define VERSION1_FLASH_API_TREE       BOOTLOADER_API_TREE_POINTER->flashDriver.version1FlashDriver
211 #define VERSION0_FLASH_API_TREE       BOOTLOADER_API_TREE_POINTER->flashDriver.version0FlashDriver
212 #define LPC55S69_REV0_FLASH_READ_ADDR (0x130043a3U)
213 #define LPC55S69_REV1_FLASH_READ_ADDR (0x13007539U)
214 #define LPC55S16_REV0_FLASH_READ_ADDR (0x1300ade5U)
215 
216 /*******************************************************************************
217  * Code
218  ******************************************************************************/
219 
get_rom_api_version(void)220 static uint32_t get_rom_api_version(void)
221 {
222     if (BOOTLOADER_API_TREE_POINTER->bootloader_version.major == 3u)
223     {
224         return 1u;
225     }
226     else
227     {
228         return 0u;
229     }
230 }
231 
232 /*!
233  * @brief Initializes the global flash properties structure members.
234  *
235  * This function checks and initializes the Flash module for the other Flash APIs.
236  */
FLASH_Init(flash_config_t * config)237 status_t FLASH_Init(flash_config_t *config)
238 {
239     status_t status;
240     /* Initialize the clock to 96MHz */
241     config->modeConfig.sysFreqInMHz = (uint32_t)kSysToFlashFreq_defaultInMHz;
242     if (get_rom_api_version() == 1u)
243     {
244         status = VERSION1_FLASH_API_TREE->flash_init(config);
245     }
246     else
247     {
248         status = VERSION0_FLASH_API_TREE->flash_init(config);
249     }
250 
251     if (config->PFlashTotalSize == 0xA0000U)
252     {
253         config->PFlashTotalSize -= 17U * config->PFlashPageSize;
254     }
255 
256     return status;
257 }
258 
259 /*!
260  * @brief Erases the flash sectors encompassed by parameters passed into function.
261  *
262  * This function erases the appropriate number of flash sectors based on the
263  * desired start address and length.
264  */
FLASH_Erase(flash_config_t * config,uint32_t start,uint32_t lengthInBytes,uint32_t key)265 status_t FLASH_Erase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key)
266 {
267     uint32_t core_frequency = CLOCK_GetFreq(kCLOCK_CoreSysClk);
268 
269     /* Flash ERASE operations must be performed with a system clock below or equal to 100 MHz.*/
270     if (core_frequency > 100000000U)
271     {
272         return (status_t)kStatus_FLASH_EraseFrequencyError;
273     }
274 
275     if (get_rom_api_version() == 0u)
276     {
277         function_command_option_t runCmdFuncOption;
278         runCmdFuncOption.commandAddr = 0x1300413bU; /*!< get the flash erase api location adress in rom */
279         return runCmdFuncOption.eraseCommand(config, start, lengthInBytes, key);
280     }
281     else
282     {
283         return VERSION1_FLASH_API_TREE->flash_erase(config, start, lengthInBytes, key);
284     }
285 }
286 
287 /*! See fsl_iap.h for documentation of this function. */
FLASH_Program(flash_config_t * config,uint32_t start,const uint8_t * src,uint32_t lengthInBytes)288 status_t FLASH_Program(flash_config_t *config, uint32_t start, const uint8_t *src, uint32_t lengthInBytes)
289 {
290     uint32_t core_frequency = CLOCK_GetFreq(kCLOCK_CoreSysClk);
291 
292     /* Flash PROGRAM operations must be performed with a system clock below or equal to 100 MHz.*/
293     if (core_frequency > 100000000U)
294     {
295         return (status_t)kStatus_FLASH_ProgramFrequencyError;
296     }
297 
298     if (get_rom_api_version() == 0u)
299     {
300         function_command_option_t runCmdFuncOption;
301         runCmdFuncOption.commandAddr = 0x1300419dU; /*!< get the flash program api location adress in rom*/
302         return runCmdFuncOption.programCommand(config, start, src, lengthInBytes);
303     }
304     else
305     {
306         assert(VERSION1_FLASH_API_TREE);
307         return VERSION1_FLASH_API_TREE->flash_program(config, start, src, lengthInBytes);
308     }
309 }
310 
311 /*! See fsl_iap.h for documentation of this function. */
FLASH_Read(flash_config_t * config,uint32_t start,uint8_t * dest,uint32_t lengthInBytes)312 status_t FLASH_Read(flash_config_t *config, uint32_t start, uint8_t *dest, uint32_t lengthInBytes)
313 {
314     if (get_rom_api_version() == 0u)
315     {
316         /*!< get the flash read api location adress in rom*/
317         function_command_option_t runCmdFuncOption;
318         runCmdFuncOption.commandAddr = LPC55S69_REV0_FLASH_READ_ADDR;
319         return runCmdFuncOption.flashReadCommand(config, start, dest, lengthInBytes);
320     }
321     else
322     {
323         /*!< get the flash read api location adress in rom*/
324         function_command_option_t runCmdFuncOption;
325         if ((SYSCON->DIEID & SYSCON_DIEID_REV_ID_MASK) != 0u)
326         {
327             runCmdFuncOption.commandAddr = LPC55S69_REV1_FLASH_READ_ADDR;
328         }
329         else
330         {
331             runCmdFuncOption.commandAddr = LPC55S16_REV0_FLASH_READ_ADDR;
332         }
333         return runCmdFuncOption.flashReadCommand(config, start, dest, lengthInBytes);
334     }
335 }
336 
337 /*! See fsl_iap.h for documentation of this function. */
FLASH_VerifyErase(flash_config_t * config,uint32_t start,uint32_t lengthInBytes)338 status_t FLASH_VerifyErase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes)
339 {
340     assert(VERSION1_FLASH_API_TREE);
341     return VERSION1_FLASH_API_TREE->flash_verify_erase(config, start, lengthInBytes);
342 }
343 
344 /*!
345  * @brief Verifies programming of the desired flash area at a specified margin level.
346  *
347  * This function verifies the data programed in the flash memory using the
348  * Flash Program Check Command and compares it to the expected data for a given
349  * flash area as determined by the start address and length.
350  */
FLASH_VerifyProgram(flash_config_t * config,uint32_t start,uint32_t lengthInBytes,const uint8_t * expectedData,uint32_t * failedAddress,uint32_t * failedData)351 status_t FLASH_VerifyProgram(flash_config_t *config,
352                              uint32_t start,
353                              uint32_t lengthInBytes,
354                              const uint8_t *expectedData,
355                              uint32_t *failedAddress,
356                              uint32_t *failedData)
357 {
358     if (get_rom_api_version() == 0u)
359     {
360         function_command_option_t runCmdFuncOption;
361         runCmdFuncOption.commandAddr = 0x1300427dU; /*!< get the flash verify program api location adress in rom*/
362         return runCmdFuncOption.verifyProgramCommand(config, start, lengthInBytes, expectedData, failedAddress,
363                                                      failedData);
364     }
365     else
366     {
367         assert(VERSION1_FLASH_API_TREE);
368         return VERSION1_FLASH_API_TREE->flash_verify_program(config, start, lengthInBytes, expectedData, failedAddress,
369                                                              failedData);
370     }
371 }
372 
373 /*!
374  * @brief Returns the desired flash property.
375  */
FLASH_GetProperty(flash_config_t * config,flash_property_tag_t whichProperty,uint32_t * value)376 status_t FLASH_GetProperty(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t *value)
377 {
378     assert(VERSION1_FLASH_API_TREE);
379     return VERSION1_FLASH_API_TREE->flash_get_property(config, whichProperty, value);
380 }
381 /********************************************************************************
382  * fsl iap ffr CODE
383  *******************************************************************************/
384 
get_cfpa_higher_version(flash_config_t * config)385 static status_t get_cfpa_higher_version(flash_config_t *config)
386 {
387     uint32_t pageData[FLASH_FFR_MAX_PAGE_SIZE / sizeof(uint32_t)];
388     uint32_t versionPing = 0U;
389     uint32_t versionPong = 0U;
390 
391     /* Get the CFPA ping page data and the corresponding version */
392     config->ffrConfig.cfpaPageOffset = 1U;
393     status_t status = FFR_GetCustomerInfieldData(config, (uint8_t *)pageData, 0U, FLASH_FFR_MAX_PAGE_SIZE);
394     if (status != (int32_t)kStatus_FLASH_Success)
395     {
396         return status;
397     }
398     versionPing = pageData[1];
399 
400     /* Get the CFPA pong page data and the corresponding version */
401     config->ffrConfig.cfpaPageOffset = 2U;
402     status = FFR_GetCustomerInfieldData(config, (uint8_t *)pageData, 0U, FLASH_FFR_MAX_PAGE_SIZE);
403     if (status != (int32_t)kStatus_FLASH_Success)
404     {
405         return status;
406     }
407     versionPong = pageData[1];
408 
409     /* Compare the CFPA ping version and pong version and set it correctly in flash_config structure */
410     if (versionPing > versionPong)
411     {
412         config->ffrConfig.cfpaPageVersion = versionPing;
413         config->ffrConfig.cfpaPageOffset  = 1U;
414     }
415     else
416     {
417         config->ffrConfig.cfpaPageVersion = versionPong;
418         config->ffrConfig.cfpaPageOffset  = 2U;
419     }
420     return (int32_t)kStatus_FLASH_Success;
421 }
422 
423 /*!
424  * Initializes the global FFR properties structure members.
425  */
FFR_Init(flash_config_t * config)426 status_t FFR_Init(flash_config_t *config)
427 {
428     status_t status;
429     if (get_rom_api_version() == 0u)
430     {
431         assert(VERSION0_FLASH_API_TREE);
432         status = VERSION0_FLASH_API_TREE->ffr_init(config);
433         if (status != (status_t)kStatus_FLASH_Success)
434         {
435             return status;
436         }
437         return get_cfpa_higher_version(config);
438     }
439     else
440     {
441         assert(VERSION1_FLASH_API_TREE);
442         status = VERSION1_FLASH_API_TREE->ffr_init(config);
443         if (status != (status_t)kStatus_FLASH_Success)
444         {
445             return status;
446         }
447         return get_cfpa_higher_version(config);
448     }
449 }
450 
451 /*!
452  * Enable firewall for all flash banks.
453  */
FFR_Lock_All(flash_config_t * config)454 status_t FFR_Lock_All(flash_config_t *config)
455 {
456     if (get_rom_api_version() == 0u)
457     {
458         assert(VERSION0_FLASH_API_TREE);
459         return VERSION0_FLASH_API_TREE->ffr_lock_all(config);
460     }
461     else
462     {
463         assert(VERSION1_FLASH_API_TREE);
464         return VERSION1_FLASH_API_TREE->ffr_lock_all(config);
465     }
466 }
467 
468 /*!
469  * APIs to access CMPA pages;
470  * This routine will erase "customer factory page" and program the page with passed data.
471  */
FFR_CustFactoryPageWrite(flash_config_t * config,uint8_t * page_data,bool seal_part)472 status_t FFR_CustFactoryPageWrite(flash_config_t *config, uint8_t *page_data, bool seal_part)
473 {
474     if (get_rom_api_version() == 0u)
475     {
476         assert(VERSION0_FLASH_API_TREE);
477         return VERSION0_FLASH_API_TREE->ffr_cust_factory_page_write(config, page_data, seal_part);
478     }
479     else
480     {
481         assert(VERSION1_FLASH_API_TREE);
482         return VERSION1_FLASH_API_TREE->ffr_cust_factory_page_write(config, page_data, seal_part);
483     }
484 }
485 
486 /*!
487  * See fsl_iap_ffr.h for documentation of this function.
488  */
FFR_GetUUID(flash_config_t * config,uint8_t * uuid)489 status_t FFR_GetUUID(flash_config_t *config, uint8_t *uuid)
490 {
491     if (get_rom_api_version() == 0u)
492     {
493         assert(VERSION0_FLASH_API_TREE);
494         return VERSION0_FLASH_API_TREE->ffr_get_uuid(config, uuid);
495     }
496     else
497     {
498         assert(VERSION1_FLASH_API_TREE);
499         return VERSION1_FLASH_API_TREE->ffr_get_uuid(config, uuid);
500     }
501 }
502 
503 /*!
504  * APIs to access CMPA pages
505  * Read data stored in 'Customer Factory CFG Page'.
506  */
FFR_GetCustomerData(flash_config_t * config,uint8_t * pData,uint32_t offset,uint32_t len)507 status_t FFR_GetCustomerData(flash_config_t *config, uint8_t *pData, uint32_t offset, uint32_t len)
508 {
509     if (get_rom_api_version() == 0u)
510     {
511         assert(VERSION0_FLASH_API_TREE);
512         return VERSION0_FLASH_API_TREE->ffr_get_customer_data(config, pData, offset, len);
513     }
514     else
515     {
516         assert(VERSION1_FLASH_API_TREE);
517         return VERSION1_FLASH_API_TREE->ffr_get_customer_data(config, pData, offset, len);
518     }
519 }
520 
521 /*!
522  * This routine writes the 3 pages allocated for Key store data,
523  * Used during manufacturing. Should write pages when 'customer factory page' is not in sealed state.
524  */
FFR_KeystoreWrite(flash_config_t * config,ffr_key_store_t * pKeyStore)525 status_t FFR_KeystoreWrite(flash_config_t *config, ffr_key_store_t *pKeyStore)
526 {
527     if (get_rom_api_version() == 0u)
528     {
529         assert(VERSION0_FLASH_API_TREE);
530         return VERSION0_FLASH_API_TREE->ffr_keystore_write(config, pKeyStore);
531     }
532     else
533     {
534         assert(VERSION1_FLASH_API_TREE);
535         return VERSION1_FLASH_API_TREE->ffr_keystore_write(config, pKeyStore);
536     }
537 }
538 
539 /*! See fsl_iap_ffr.h for documentation of this function. */
FFR_KeystoreGetAC(flash_config_t * config,uint8_t * pActivationCode)540 status_t FFR_KeystoreGetAC(flash_config_t *config, uint8_t *pActivationCode)
541 {
542     if (get_rom_api_version() == 0u)
543     {
544         assert(VERSION0_FLASH_API_TREE);
545         return VERSION0_FLASH_API_TREE->ffr_keystore_get_ac(config, pActivationCode);
546     }
547     else
548     {
549         assert(VERSION1_FLASH_API_TREE);
550         return VERSION1_FLASH_API_TREE->ffr_keystore_get_ac(config, pActivationCode);
551     }
552 }
553 
554 /*! See fsl_iap_ffr.h for documentation of this function. */
FFR_KeystoreGetKC(flash_config_t * config,uint8_t * pKeyCode,ffr_key_type_t keyIndex)555 status_t FFR_KeystoreGetKC(flash_config_t *config, uint8_t *pKeyCode, ffr_key_type_t keyIndex)
556 {
557     if (get_rom_api_version() == 0u)
558     {
559         assert(VERSION0_FLASH_API_TREE);
560         return VERSION0_FLASH_API_TREE->ffr_keystore_get_kc(config, pKeyCode, keyIndex);
561     }
562     else
563     {
564         assert(VERSION1_FLASH_API_TREE);
565         return VERSION1_FLASH_API_TREE->ffr_keystore_get_kc(config, pKeyCode, keyIndex);
566     }
567 }
568 
569 /*!
570  * APIs to access CFPA pages
571  * This routine will erase CFPA and program the CFPA page with passed data.
572  */
FFR_InfieldPageWrite(flash_config_t * config,uint8_t * page_data,uint32_t valid_len)573 status_t FFR_InfieldPageWrite(flash_config_t *config, uint8_t *page_data, uint32_t valid_len)
574 {
575     if (get_rom_api_version() == 0u)
576     {
577         assert(VERSION0_FLASH_API_TREE);
578         return VERSION0_FLASH_API_TREE->ffr_infield_page_write(config, page_data, valid_len);
579     }
580     else
581     {
582         assert(VERSION1_FLASH_API_TREE);
583         return VERSION1_FLASH_API_TREE->ffr_infield_page_write(config, page_data, valid_len);
584     }
585 }
586 
587 /*!
588  * APIs to access CFPA pages
589  * Generic read function, used by customer to read data stored in 'Customer In-field Page'.
590  */
FFR_GetCustomerInfieldData(flash_config_t * config,uint8_t * pData,uint32_t offset,uint32_t len)591 status_t FFR_GetCustomerInfieldData(flash_config_t *config, uint8_t *pData, uint32_t offset, uint32_t len)
592 {
593     if (get_rom_api_version() == 0u)
594     {
595         assert(VERSION0_FLASH_API_TREE);
596         return VERSION0_FLASH_API_TREE->ffr_get_customer_infield_data(config, pData, offset, len);
597     }
598     else
599     {
600         assert(VERSION1_FLASH_API_TREE);
601         return VERSION1_FLASH_API_TREE->ffr_get_customer_infield_data(config, pData, offset, len);
602     }
603 }
604 
605 /********************************************************************************
606  * Bootloader API
607  *******************************************************************************/
608 /*!
609  * @brief Initialize ROM API for a given operation.
610  *
611  * Inits the ROM API based on the options provided by the application in the second
612  * argument. Every call to rom_init() should be paired with a call to rom_deinit().
613  */
kb_init(kb_session_ref_t ** session,const kb_options_t * options)614 status_t kb_init(kb_session_ref_t **session, const kb_options_t *options)
615 {
616     assert(BOOTLOADER_API_TREE_POINTER);
617     return BOOTLOADER_API_TREE_POINTER->kbApi->kb_init_function(session, options);
618 }
619 
620 /*!
621  * @brief Cleans up the ROM API context.
622  *
623  * After this call, the @a context parameter can be reused for another operation
624  * by calling rom_init() again.
625  */
kb_deinit(kb_session_ref_t * session)626 status_t kb_deinit(kb_session_ref_t *session)
627 {
628     assert(BOOTLOADER_API_TREE_POINTER);
629     return BOOTLOADER_API_TREE_POINTER->kbApi->kb_deinit_function(session);
630 }
631 
632 /*!
633  * Perform the operation configured during init.
634  *
635  * This application must call this API repeatedly, passing in sequential chunks of
636  * data from the boot image (SB file) that is to be processed. The ROM will perform
637  * the selected operation on this data and return. The application may call this
638  * function with as much or as little data as it wishes, which can be used to select
639  * the granularity of time given to the application in between executing the operation.
640  *
641  * @param context Current ROM context pointer.
642  * @param data Buffer of boot image data provided to the ROM by the application.
643  * @param dataLength Length in bytes of the data in the buffer provided to the ROM.
644  *
645  * @retval #kStatus_Success The operation has completed successfully.
646  * @retval #kStatus_Fail An error occurred while executing the operation.
647  * @retval #kStatus_RomApiNeedMoreData No error occurred, but the ROM needs more data to
648  *     continue processing the boot image.
649  */
kb_execute(kb_session_ref_t * session,const uint8_t * data,uint32_t dataLength)650 status_t kb_execute(kb_session_ref_t *session, const uint8_t *data, uint32_t dataLength)
651 {
652     assert(BOOTLOADER_API_TREE_POINTER);
653     return BOOTLOADER_API_TREE_POINTER->kbApi->kb_execute_function(session, data, dataLength);
654 }
655 
656 /********************************************************************************
657  * Image authentication API
658  *******************************************************************************/
659 
660 /*!
661  * @brief Authenticate entry function with ARENA allocator init
662  *
663  * This is called by ROM boot or by ROM API g_skbootAuthenticateInterface
664  */
skboot_authenticate(const uint8_t * imageStartAddr,secure_bool_t * isSignVerified)665 skboot_status_t skboot_authenticate(const uint8_t *imageStartAddr, secure_bool_t *isSignVerified)
666 {
667     assert(BOOTLOADER_API_TREE_POINTER);
668     return BOOTLOADER_API_TREE_POINTER->skbootAuthenticate->skboot_authenticate_function(imageStartAddr,
669                                                                                          isSignVerified);
670 }
671 
672 /*!
673  * @brief Interface for image authentication API
674  */
HASH_IRQHandler(void)675 void HASH_IRQHandler(void)
676 {
677     assert(BOOTLOADER_API_TREE_POINTER);
678     BOOTLOADER_API_TREE_POINTER->skbootAuthenticate->skboot_hashcrypt_irq_handler();
679 }
680 
681 /********************************************************************************
682  * runBootloader API
683  *******************************************************************************/
BOOTLOADER_UserEntry(void * arg)684 void BOOTLOADER_UserEntry(void *arg)
685 {
686     assert(BOOTLOADER_API_TREE_POINTER);
687     BOOTLOADER_API_TREE_POINTER->runBootloader(arg);
688 }
689 /********************************************************************************
690  * EOF
691  *******************************************************************************/
692