1 /*
2  * Copyright 2017 - 2021 NXP
3  * All rights reserved.
4  *
5  *
6  * SPDX-License-Identifier: BSD-3-Clause
7  */
8 
9 #ifndef _FSL_FLASH_H_
10 #define _FSL_FLASH_H_
11 
12 #if (defined(BL_TARGET_FLASH) || defined(BL_TARGET_ROM) || defined(BL_TARGET_RAM))
13 #include <assert.h>
14 #include <string.h>
15 #include "fsl_device_registers.h"
16 #include "bootloader_common.h"
17 #else
18 #include "fsl_common.h"
19 #endif
20 
21 /*******************************************************************************
22  * Definitions
23  ******************************************************************************/
24 
25 /*!
26  * @addtogroup flash_driver
27  * @{
28  */
29 
30 /*!
31  * @name Flash version
32  * @{
33  */
34 /*! @brief Constructs the version number for drivers. */
35 #if !defined(MAKE_VERSION)
36 #define MAKE_VERSION(major, minor, bugfix) (((major) << 16) | ((minor) << 8) | (bugfix))
37 #endif
38 
39 /*! @brief Flash driver version for SDK*/
40 #define FSL_FLASH_DRIVER_VERSION (MAKE_VERSION(2, 1, 2)) /*!< Version 2.1.2. */
41 
42 /*! @brief Flash driver version for ROM*/
43 enum _flash_driver_version_constants
44 {
45     kFLASH_DriverVersionName   = 'F', /*!< Flash driver version name.*/
46     kFLASH_DriverVersionMajor  = 2,   /*!< Major flash driver version.*/
47     kFLASH_DriverVersionMinor  = 1,   /*!< Minor flash driver version.*/
48     kFLASH_DriverVersionBugfix = 1    /*!< Bugfix for flash driver version.*/
49 };
50 /*@}*/
51 
52 /*!
53  * @name Flash configuration
54  * @{
55  */
56 /*! @brief Indicates whether to support EEPROM in the Flash driver */
57 #if (defined(FSL_FEATURE_FLASH_HAS_EEPROM) && FSL_FEATURE_FLASH_HAS_EEPROM)
58 #define FLASH_SSD_CONFIG_ENABLE_EEPROM_SUPPORT 1 /*!< Enables the EEPROM support. */
59 #else
60 #define FLASH_SSD_CONFIG_ENABLE_EEPROM_SUPPORT 0 /*!< Disables the EEPROM support. */
61 #endif
62 
63 /*! @brief Indicates whether the EEPROM is enabled in the Flash driver */
64 #define FLASH_SSD_IS_EEPROM_ENABLED FLASH_SSD_CONFIG_ENABLE_EEPROM_SUPPORT
65 
66 /*! @brief Indicates whether to support Secondary flash in the Flash driver */
67 #if !defined(FLASH_SSD_CONFIG_ENABLE_SECONDARY_FLASH_SUPPORT)
68 #define FLASH_SSD_CONFIG_ENABLE_SECONDARY_FLASH_SUPPORT 1 /*!< Enables the secondary flash support by default. */
69 #endif
70 
71 /*! @brief Indicates whether the secondary flash is supported in the Flash driver */
72 #if defined(FSL_FEATURE_FLASH_HAS_MULTIPLE_FLASH) || defined(FSL_FEATURE_FLASH_PFLASH_1_START_ADDRESS)
73 #define FLASH_SSD_IS_SECONDARY_FLASH_ENABLED (FLASH_SSD_CONFIG_ENABLE_SECONDARY_FLASH_SUPPORT)
74 #else
75 #define FLASH_SSD_IS_SECONDARY_FLASH_ENABLED (0)
76 #endif
77 
78 /*! @brief Flash driver location. */
79 #if !defined(FLASH_DRIVER_IS_FLASH_RESIDENT)
80 #if (!defined(BL_TARGET_ROM) && !defined(BL_TARGET_RAM))
81 #define FLASH_DRIVER_IS_FLASH_RESIDENT 1 /*!< Used for the flash resident application. */
82 #else
83 #define FLASH_DRIVER_IS_FLASH_RESIDENT 0 /*!< Used for the non-flash resident application. */
84 #endif
85 #endif
86 
87 /*! @brief Flash Driver Export option */
88 #if !defined(FLASH_DRIVER_IS_EXPORTED)
89 #if (defined(BL_TARGET_ROM) || defined(BL_TARGET_FLASH))
90 #define FLASH_DRIVER_IS_EXPORTED 1 /*!< Used for the ROM bootloader. */
91 #else
92 #define FLASH_DRIVER_IS_EXPORTED 0 /*!< Used for the MCUXpresso SDK application. */
93 #endif
94 #endif
95 
96 /*! @brief Enable flash stalling controller */
97 #define FLASH_ENABLE_STALLING_FLASH_CONTROLLER 1
98 /*@}*/
99 
100 /*!
101  * @name Flash status
102  * @{
103  */
104 /*! @brief Flash driver status group. */
105 #if defined(kStatusGroup_FlashDriver)
106 #define kStatusGroupGeneric     kStatusGroup_Generic
107 #define kStatusGroupFlashDriver kStatusGroup_FlashDriver
108 #elif defined(kStatusGroup_FLASH)
109 #define kStatusGroupGeneric     kStatusGroup_Generic
110 #define kStatusGroupFlashDriver kStatusGroup_FLASH
111 #else
112 #define kStatusGroupGeneric     0
113 #define kStatusGroupFlashDriver 1
114 #endif
115 
116 /*! @brief Constructs a status code value from a group and a code number. */
117 #if !defined(MAKE_STATUS)
118 #define MAKE_STATUS(group, code) ((((group)*100) + (code)))
119 #endif
120 
121 /*!
122  * @brief Flash driver status codes.
123  */
124 enum
125 {
126     kStatus_FLASH_Success         = MAKE_STATUS(kStatusGroupGeneric, 0),     /*!< API is executed successfully*/
127     kStatus_FLASH_InvalidArgument = MAKE_STATUS(kStatusGroupGeneric, 4),     /*!< Invalid argument*/
128     kStatus_FLASH_SizeError       = MAKE_STATUS(kStatusGroupFlashDriver, 0), /*!< Error size*/
129     kStatus_FLASH_AlignmentError =
130         MAKE_STATUS(kStatusGroupFlashDriver, 1), /*!< Parameter is not aligned with the specified baseline*/
131     kStatus_FLASH_AddressError = MAKE_STATUS(kStatusGroupFlashDriver, 2), /*!< Address is out of range */
132     kStatus_FLASH_AccessError =
133         MAKE_STATUS(kStatusGroupFlashDriver, 3), /*!< Invalid instruction codes and out-of bound addresses */
134     kStatus_FLASH_ProtectionViolation = MAKE_STATUS(
135         kStatusGroupFlashDriver, 4), /*!< The program/erase operation is requested to execute on protected areas */
136     kStatus_FLASH_CommandFailure =
137         MAKE_STATUS(kStatusGroupFlashDriver, 5), /*!< Run-time error during command execution. */
138     kStatus_FLASH_UnknownProperty = MAKE_STATUS(kStatusGroupFlashDriver, 6), /*!< Unknown property.*/
139     kStatus_FLASH_EraseKeyError   = MAKE_STATUS(kStatusGroupFlashDriver, 7), /*!< API erase key is invalid.*/
140     kStatus_FLASH_RegionExecuteOnly =
141         MAKE_STATUS(kStatusGroupFlashDriver, 8), /*!< The current region is execute-only.*/
142     kStatus_FLASH_ExecuteInRamFunctionNotReady =
143         MAKE_STATUS(kStatusGroupFlashDriver, 9), /*!< Execute-in-RAM function is not available.*/
144     kStatus_FLASH_PartitionStatusUpdateFailure =
145         MAKE_STATUS(kStatusGroupFlashDriver, 10), /*!< Failed to update partition status.*/
146     kStatus_FLASH_SetFlexramAsEepromError =
147         MAKE_STATUS(kStatusGroupFlashDriver, 11), /*!< Failed to set FlexRAM as EEPROM.*/
148     kStatus_FLASH_RecoverFlexramAsRamError =
149         MAKE_STATUS(kStatusGroupFlashDriver, 12), /*!< Failed to recover FlexRAM as RAM.*/
150     kStatus_FLASH_SetFlexramAsRamError = MAKE_STATUS(kStatusGroupFlashDriver, 13), /*!< Failed to set FlexRAM as RAM.*/
151     kStatus_FLASH_RecoverFlexramAsEepromError =
152         MAKE_STATUS(kStatusGroupFlashDriver, 14), /*!< Failed to recover FlexRAM as EEPROM.*/
153     kStatus_FLASH_CommandNotSupported = MAKE_STATUS(kStatusGroupFlashDriver, 15), /*!< Flash API is not supported.*/
154     kStatus_FLASH_SwapSystemNotInUninitialized =
155         MAKE_STATUS(kStatusGroupFlashDriver, 16), /*!< Swap system is not in an uninitialzed state.*/
156     kStatus_FLASH_SwapIndicatorAddressError =
157         MAKE_STATUS(kStatusGroupFlashDriver, 17), /*!< The swap indicator address is invalid.*/
158     kStatus_FLASH_ReadOnlyProperty = MAKE_STATUS(kStatusGroupFlashDriver, 18), /*!< The flash property is read-only.*/
159     kStatus_FLASH_InvalidPropertyValue =
160         MAKE_STATUS(kStatusGroupFlashDriver, 19), /*!< The flash property value is out of range.*/
161     kStatus_FLASH_InvalidSpeculationOption =
162         MAKE_STATUS(kStatusGroupFlashDriver, 20), /*!< The option of flash prefetch speculation is invalid.*/
163 
164     kStatus_FLASH_ClockDivider = MAKE_STATUS(kStatusGroupFlashDriver, 21), /*!<Flash clock prescaler is wrong*/
165     kStatus_FLASH_EepromDoubleBitFault =
166         MAKE_STATUS(kStatusGroupFlashDriver, 22), /*!< A double bit fault was detected in the stored parity.*/
167     kStatus_FLASH_EepromSingleBitFault =
168         MAKE_STATUS(kStatusGroupFlashDriver, 23), /*!< A single bit fault was detected in the stored parity.*/
169 
170 };
171 
172 /*@}*/
173 
174 /*!
175  * @name Flash API key
176  * @{
177  */
178 /*! @brief Constructs the four character code for the Flash driver API key. */
179 #if !defined(FOUR_CHAR_CODE)
180 #define FOUR_CHAR_CODE(a, b, c, d) (((d) << 24) | ((c) << 16) | ((b) << 8) | ((a)))
181 #endif
182 
183 /*!
184  * @brief Enumeration for Flash driver API keys.
185  *
186  * @note The resulting value is built with a byte order such that the string
187  * being readable in expected order when viewed in a hex editor, if the value
188  * is treated as a 32-bit little endian value.
189  */
190 enum _flash_driver_api_keys
191 {
192     kFLASH_ApiEraseKey = FOUR_CHAR_CODE('k', 'f', 'e', 'k') /*!< Key value used to validate all flash erase APIs.*/
193 };
194 /*@}*/
195 
196 /*!
197  * @brief Enumeration for supported flash user margin levels.
198  */
199 typedef enum _flash_user_margin_value
200 {
201     kFLASH_ReadMarginValueNormal = 0x0000U, /*!< Use the 'normal' read level for 1s.*/
202     kFLASH_UserMarginValue1      = 0x0001U, /*!< Apply the 'User' margin to the normal read-1 level.*/
203     kFLASH_UserMarginValue0      = 0x0002U, /*!< Apply the 'User' margin to the normal read-0 level.*/
204 } flash_user_margin_value_t;
205 
206 /*!
207  * @brief Enumeration for supported factory margin levels.
208  */
209 typedef enum _flash_factory_margin_value
210 {
211     kFLASH_FactoryMarginValue1 = 0x0003U, /*!< Apply the 'Factory' margin to the normal read-1 level.*/
212     kFLASH_FactoryMarginValue0 = 0x0004U, /*!< Apply the 'Factory' margin to the normal read-0 level.*/
213 } flash_factory_margin_value_t;
214 
215 /*!
216  * @brief Enumeration for supported flash margin levels.
217  */
218 typedef enum _flash_margin_value
219 {
220     kFLASH_MarginValueNormal,  /*!< Use the 'normal' read level for 1s.*/
221     kFLASH_MarginValueUser,    /*!< Apply the 'User' margin to the normal read-1 level.*/
222     kFLASH_MarginValueFactory, /*!< Apply the 'Factory' margin to the normal read-1 level.*/
223     kFLASH_MarginValueInvalid, /*!< Not real margin level, Used to determine the range of valid margin level. */
224 } flash_margin_value_t;
225 
226 /*!
227  * @brief Enumeration for the three possible flash security states.
228  */
229 typedef enum _flash_security_state
230 {
231     kFLASH_SecurityStateNotSecure,       /*!< Flash is not secure.*/
232     kFLASH_SecurityStateBackdoorEnabled, /*!< Flash backdoor is enabled.*/
233     kFLASH_SecurityStateBackdoorDisabled /*!< Flash backdoor is disabled.*/
234 } flash_security_state_t;
235 
236 /*!
237  * @brief Enumeration for the three possible flash protection levels.
238  */
239 typedef enum _flash_protection_state
240 {
241     kFLASH_ProtectionStateUnprotected, /*!< Flash region is not protected.*/
242     kFLASH_ProtectionStateProtected,   /*!< Flash region is protected.*/
243     kFLASH_ProtectionStateMixed        /*!< Flash is mixed with protected and unprotected region.*/
244 } flash_protection_state_t;
245 
246 /*!
247  * @brief Enumeration for various flash properties.
248  */
249 typedef enum _flash_property_tag
250 {
251     kFLASH_PropertyPflashSectorSize    = 0x00U, /*!< Pflash sector size property.*/
252     kFLASH_PropertyPflashTotalSize     = 0x01U, /*!< Pflash total size property.*/
253     kFLASH_PropertyPflashBlockSize     = 0x02U, /*!< Pflash block size property.*/
254     kFLASH_PropertyPflashBlockCount    = 0x03U, /*!< Pflash block count property.*/
255     kFLASH_PropertyPflashBlockBaseAddr = 0x04U, /*!< Pflash block base address property.*/
256     kFLASH_PropertyPflashFacSupport    = 0x05U, /*!< Pflash fac support property.*/
257 
258     kFLASH_PropertyEepromTotalSize           = 0x15U, /*!< EEPROM total size property.*/
259     kFLASH_PropertyFlashMemoryIndex          = 0x20U, /*!< Flash memory index property.*/
260     kFLASH_PropertyFlashCacheControllerIndex = 0x21U, /*!< Flash cache controller index property.*/
261 
262     kFLASH_PropertyEepromBlockBaseAddr = 0x22U, /*!< EEPROM block base address property.*/
263     kFLASH_PropertyEepromSectorSize    = 0x23U, /*!< EEPROM sector size property.*/
264     kFLASH_PropertyEepromBlockSize     = 0x24U, /*!< EEPROM block size property.*/
265     kFLASH_PropertyEepromBlockCount    = 0x25U, /*!< EEPROM block count property.*/
266     kFLASH_PropertyFlashClockFrequency = 0x26U, /*!< Flash peripheral clock property.*/
267 } flash_property_tag_t;
268 
269 /*!
270  * @brief Constants for execute-in-RAM flash function.
271  * _flash_execute_in_ram_function_constants
272  */
273 enum
274 {
275     kFLASH_ExecuteInRamFunctionMaxSizeInWords = 16U, /*!< The maximum size of execute-in-RAM function.*/
276     kFLASH_ExecuteInRamFunctionTotalNum       = 2U   /*!< Total number of execute-in-RAM functions.*/
277 };
278 
279 /*!
280  * @brief PFlash protection status - full
281  */
282 typedef struct _pflash_protection_status
283 {
284     uint8_t fprotvalue; /*!< FPROT[7:0] .*/
285 } pflash_protection_status_t;
286 
287 /*!
288  * @brief Enumeration for the flash memory index.
289  */
290 typedef enum _flash_memory_index
291 {
292     kFLASH_MemoryIndexPrimaryFlash   = 0x00U, /*!< Current flash memory is primary flash.*/
293     kFLASH_MemoryIndexSecondaryFlash = 0x01U, /*!< Current flash memory is secondary flash.*/
294 } flash_memory_index_t;
295 
296 /*!
297  * @brief Enumeration for the flash cache controller index.
298  */
299 typedef enum _flash_cache_controller_index
300 {
301     kFLASH_CacheControllerIndexForCore0 = 0x00U, /*!< Current flash cache controller is for core 0.*/
302     kFLASH_CacheControllerIndexForCore1 = 0x01U, /*!< Current flash cache controller is for core 1.*/
303 } flash_cache_controller_index_t;
304 
305 /*! @brief A callback type used for the Pflash block*/
306 typedef void (*flash_callback_t)(void);
307 
308 /*!
309  * @brief Enumeration for the two possible options of flash prefetch speculation.
310  */
311 typedef enum _flash_prefetch_speculation_option
312 {
313     kFLASH_prefetchSpeculationOptionEnable  = 0x00U,
314     kFLASH_prefetchSpeculationOptionDisable = 0x01U
315 } flash_prefetch_speculation_option_t;
316 
317 /*!
318  * @brief Flash prefetch speculation status.
319  */
320 typedef struct _flash_prefetch_speculation_status
321 {
322     flash_prefetch_speculation_option_t instructionOption; /*!< Instruction speculation.*/
323     flash_prefetch_speculation_option_t dataOption;        /*!< Data speculation.*/
324 } flash_prefetch_speculation_status_t;
325 
326 /*!
327  * @brief Flash cache clear process code.
328  */
329 typedef enum _flash_cache_clear_process
330 {
331     kFLASH_CacheClearProcessPre  = 0x00U, /*!< Pre flash cache clear process.*/
332     kFLASH_CacheClearProcessPost = 0x01U, /*!< Post flash cache clear process.*/
333 } flash_cache_clear_process_t;
334 
335 /*!
336  * @brief Active flash protection information for the current operation.
337  */
338 typedef struct _flash_protection_config
339 {
340     uint32_t lowRegionStart;  /*!< Start address of flash protection low region.*/
341     uint32_t lowRegionEnd;    /*!< End address of flash protection low region.*/
342     uint32_t highRegionStart; /*!< Start address of flash protection high region.*/
343     uint32_t highRegionEnd;   /*!< End address of flash protection high region.*/
344 } flash_protection_config_t;
345 
346 /*!
347  * @brief Active flash information for the current operation.
348  */
349 typedef struct _flash_operation_config
350 {
351     uint32_t convertedAddress;          /*!< A converted address for the current flash type.*/
352     uint32_t activeSectorSize;          /*!< A sector size of the current flash type.*/
353     uint32_t activeBlockSize;           /*!< A block size of the current flash type.*/
354     uint32_t blockWriteUnitSize;        /*!< The write unit size.*/
355     uint32_t sectorCmdAddressAligment;  /*!< An erase sector command address alignment.*/
356     uint32_t sectionCmdAddressAligment; /*!< A program/verify section command address alignment.*/
357 
358     uint32_t programCmdAddressAligment; /*!< A program flash command address alignment.*/
359 } flash_operation_config_t;
360 
361 /*!
362  * @brief Flash execute-in-RAM command.
363  */
364 typedef union
365 {
366     uint32_t commadAddr;
367     void (*callFlashCommand)(volatile uint8_t *FTMRx_fstat);
368 } function_run_command_t;
369 
370 typedef union
371 {
372     uint32_t bitOperationAddr;
373     void (*callCommonBitOperationCommand)(volatile uint32_t *base,
374                                           uint32_t bitMask,
375                                           uint32_t bitShift,
376                                           uint32_t bitValue);
377 } function_common_bit_operation_t;
378 /*!
379  * @brief Flash execute-in-RAM function information.
380  */
381 typedef struct _flash_execute_in_ram_function_config
382 {
383     uint32_t activeFunctionCount;                           /*!< Number of available execute-in-RAM functions.*/
384     function_run_command_t runCmdFuncAddr;                  /*!< Execute-in-RAM function: flash_run_command. */
385     function_common_bit_operation_t CommonBitOperationAddr; /*! Execute-in-RAM function: flash_common_bit_operation. */
386 } flash_execute_in_ram_function_config_t;
387 
388 /*! @brief Flash driver state information.
389  *
390  * An instance of this structure is allocated by the user of the flash driver and
391  * passed into each of the driver APIs.
392  */
393 typedef struct _flash_config
394 {
395     uint32_t PFlashBlockBase;          /*!< A base address of the first PFlash block */
396     uint32_t PFlashTotalSize;          /*!< The size of the combined PFlash block. */
397     uint8_t PFlashBlockCount;          /*!< A number of PFlash blocks. */
398     uint8_t FlashMemoryIndex;          /*!< 0 - primary flash; 1 - secondary flash*/
399     uint8_t FlashCacheControllerIndex; /*!< 0 - Controller for core 0; 1 - Controller for core 1 */
400     uint8_t Reserved0;                 /*!< Reserved field 0 */
401     uint32_t PFlashSectorSize;         /*!< The size in bytes of a sector of PFlash. */
402     flash_callback_t PFlashCallback;   /*!< The callback function for the flash API. */
403 
404     uint32_t *flashExecuteInRamFunctionInfo; /*!< An information structure of the flash execute-in-RAM function. */
405 
406     uint32_t EEpromTotalSize; /*!< For the FlexNVM device, this is the size in bytes of the EEPROM area which was
407                                  partitioned from FlexRAM */
408     /*!< For the non-FlexNVM device, this field is unused */
409 
410     uint32_t EEpromBlockBase; /*!< This is the base address of the Eeprom */
411     /*!< For the non-Eeprom device, this field is unused */
412     uint8_t EEpromBlockCount; /*!< A number of EEPROM blocks. */
413     /*!< For the non-Eeprom device, this field is unused */
414     uint8_t EEpromSectorSize; /*!< The size in bytes of a sector of EEPROM. */
415     /*!< For the non-Eeprom device, this field is unused */
416     uint8_t Reserved1[2];       /*!< Reserved field 1 */
417     uint32_t PFlashClockFreq;   /*!< The flash peripheral clock frequency */
418     uint32_t PFlashMarginLevel; /*!< The margin level*/
419     flash_execute_in_ram_function_config_t executeInRamFunction;
420 } flash_config_t;
421 
422 /*******************************************************************************
423  * API
424  ******************************************************************************/
425 
426 #if defined(__cplusplus)
427 extern "C" {
428 #endif
429 
430 /*!
431  * @name Initialization
432  * @{
433  */
434 
435 /*!
436  * @brief Initializes the global flash properties structure members.
437  *
438  * This function checks and initializes the Flash module for the other Flash APIs.
439  *
440  * @param config Pointer to the storage for the driver runtime state.
441  *
442  * @retval #kStatus_FLASH_Success API was executed successfully.
443  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
444  * @retval #kStatus_FLASH_ClockDivider Flash clock prescaler is wrong.
445  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
446  */
447 status_t FLASH_Init(flash_config_t *config);
448 
449 /*!
450  * @brief Sets the desired flash callback function.
451  *
452  * @param config Pointer to the storage for the driver runtime state.
453  * @param callback A callback function to be stored in the driver.
454  *
455  * @retval #kStatus_FLASH_Success API was executed successfully.
456  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
457  */
458 status_t FLASH_SetCallback(flash_config_t *config, flash_callback_t callback);
459 
460 #if defined(FLASH_DRIVER_IS_FLASH_RESIDENT) && FLASH_DRIVER_IS_FLASH_RESIDENT
461 /*!
462  * @brief Prepares flash execute-in-RAM functions.
463  *
464  * @param config Pointer to the storage for the driver runtime state.
465  *
466  * @retval #kStatus_FLASH_Success API was executed successfully.
467  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
468  */
469 status_t FLASH_PrepareExecuteInRamFunctions(flash_config_t *config);
470 #endif /* FLASH_DRIVER_IS_FLASH_RESIDENT */
471 
472 /*@}*/
473 
474 /*!
475  * @name Erasing
476  * @{
477  */
478 
479 /*!
480  * @brief Erases entire flash
481  *
482  * @param config Pointer to the storage for the driver runtime state.
483  * @param key A value used to validate all flash erase APIs.
484  *
485  * @retval #kStatus_FLASH_Success API was executed successfully.
486  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
487  * @retval #kStatus_FLASH_EraseKeyError API erase key is invalid.
488  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
489  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
490  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
491  * @retval #kStatus_FLASH_CommandFailure Run-time error during command execution.
492  * @retval #kStatus_FLASH_EepromSingleBitFault EEPROM single bit fault error code.
493  * @retval #kStatus_FLASH_EepromDoubleBitFault EEPROM double bit fault error code.
494  */
495 status_t FLASH_EraseAll(flash_config_t *config, uint32_t key);
496 
497 /*!
498  * @brief Erases the flash sectors encompassed by parameters passed into function.
499  *
500  * This function erases the appropriate number of flash sectors based on the
501  * desired start address and length.
502  *
503  * @param config The pointer to the storage for the driver runtime state.
504  * @param start The start address of the desired flash memory to be erased.
505  *              The start address does not need to be sector-aligned but must be word-aligned.
506  * @param lengthInBytes The length, given in bytes (not words or long-words)
507  *                      to be erased. Must be word-aligned.
508  * @param key The value used to validate all flash erase APIs.
509  *
510  * @retval #kStatus_FLASH_Success API was executed successfully.
511  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
512  * @retval #kStatus_FLASH_AlignmentError The parameter is not aligned with the specified baseline.
513  * @retval #kStatus_FLASH_AddressError The address is out of range.
514  * @retval #kStatus_FLASH_EraseKeyError The API erase key is invalid.
515  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
516  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
517  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
518  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
519  */
520 status_t FLASH_Erase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key);
521 
522 #if defined(FLASH_SSD_IS_EEPROM_ENABLED) && FLASH_SSD_IS_EEPROM_ENABLED
523 /*!
524  * @brief Erases the eeprom sectors encompassed by parameters passed into function.
525  *
526  * This function erases the appropriate number of eeprom sectors based on the
527  * desired start address and length.
528  *
529  * @param config The pointer to the storage for the driver runtime state.
530  * @param start The start address of the desired eeprom memory to be erased.
531  *              The start address does not need to be sector-aligned but must be word-aligned.
532  * @param lengthInBytes The length, given in bytes (not words or long-words)
533  *                      to be erased. Must be word-aligned.
534  * @param key The value used to validate all eeprom erase APIs.
535  *
536  * @retval #kStatus_FLASH_Success API was executed successfully.
537  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
538  * @retval #kStatus_FLASH_AlignmentError The parameter is not aligned with the specified baseline.
539  * @retval #kStatus_FLASH_AddressError The address is out of range.
540  * @retval #kStatus_FLASH_EraseKeyError The API erase key is invalid.
541  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
542  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
543  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
544  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
545  */
546 status_t FLASH_EraseEEprom(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, uint32_t key);
547 #endif /* FLASH_SSD_IS_EEPROM_ENABLED */
548 
549 #if defined(FSL_FEATURE_FLASH_HAS_UNSECURE_FLASH_CMD) && FSL_FEATURE_FLASH_HAS_UNSECURE_FLASH_CMD
550 /*!
551  * @brief Erases the entire flash, including protected sectors.
552  *
553  * @param config Pointer to the storage for the driver runtime state.
554  * @param key A value used to validate all flash erase APIs.
555  *
556  * @retval #kStatus_FLASH_Success API was executed successfully.
557  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
558  * @retval #kStatus_FLASH_EraseKeyError API erase key is invalid.
559  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
560  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
561  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
562  * @retval #kStatus_FLASH_CommandFailure Run-time error during command execution.
563  * @retval #kStatus_FLASH_EepromSingleBitFault EEPROM single bit fault error code.
564  * @retval #kStatus_FLASH_EepromDoubleBitFault EEPROM double bit fault error code.
565  */
566 status_t FLASH_EraseAllUnsecure(flash_config_t *config, uint32_t key);
567 #endif /* FSL_FEATURE_FLASH_HAS_UNSECURE_FLASH_CMD */
568 
569 /*@}*/
570 
571 /*!
572  * @name Programming
573  * @{
574  */
575 
576 /*!
577  * @brief Programs flash with data at locations passed in through parameters.
578  *
579  * This function programs the flash memory with the desired data for a given
580  * flash area as determined by the start address and the length.
581  *
582  * @param config A pointer to the storage for the driver runtime state.
583  * @param start The start address of the desired flash memory to be programmed. Must be
584  *              word-aligned.
585  * @param src A pointer to the source buffer of data that is to be programmed
586  *            into the flash.
587  * @param lengthInBytes The length, given in bytes (not words or long-words),
588  *                      to be programmed. Must be word-aligned.
589  *
590  * @retval #kStatus_FLASH_Success API was executed successfully.
591  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
592  * @retval #kStatus_FLASH_AlignmentError Parameter is not aligned with the specified baseline.
593  * @retval #kStatus_FLASH_AddressError Address is out of range.
594  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
595  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
596  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
597  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
598  */
599 status_t FLASH_Program(flash_config_t *config, uint32_t start, uint32_t *src, uint32_t lengthInBytes);
600 
601 /*!
602  * @brief Programs Program Once Field through parameters.
603  *
604  * This function programs the Program Once Field with the desired data for a given
605  * flash area as determined by the index and length.
606  *
607  * @param config A pointer to the storage for the driver runtime state.
608  * @param index The index indicating which area of the Program Once Field to be programmed.
609  * @param src A pointer to the source buffer of data that is to be programmed
610  *            into the Program Once Field.
611  * @param lengthInBytes The length, given in bytes (not words or long-words),
612  *                      to be programmed. Must be word-aligned.
613  *
614  * @retval #kStatus_FLASH_Success API was executed successfully.
615  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
616  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
617  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
618  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
619  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
620  */
621 status_t FLASH_ProgramOnce(flash_config_t *config, uint32_t index, uint32_t *src, uint32_t lengthInBytes);
622 
623 #if defined(FLASH_SSD_IS_EEPROM_ENABLED) && FLASH_SSD_IS_EEPROM_ENABLED
624 /*!
625  * @brief Programs the EEPROM with data at locations passed in through parameters.
626  *
627  * This function programs the emulated EEPROM with the desired data for a given
628  * flash area as determined by the start address and length.
629  *
630  * @param config A pointer to the storage for the driver runtime state.
631  * @param start The start address of the desired flash memory to be programmed. Must be
632  *              word-aligned.
633  * @param src A pointer to the source buffer of data that is to be programmed
634  *            into the flash.
635  * @param lengthInBytes The length, given in bytes (not words or long-words),
636  *                      to be programmed. Must be word-aligned.
637  *
638  * @retval #kStatus_FLASH_Success API was executed successfully.
639  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
640  * @retval #kStatus_FLASH_AddressError Address is out of range.
641  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
642  * @retval #kStatus_FLASH_EepromSingleBitFault EEPROM single bit fault error code.
643  * @retval #kStatus_FLASH_EepromDoubleBitFault EEPROM double bit fault error code.
644  */
645 status_t FLASH_EepromWrite(flash_config_t *config, uint32_t start, uint8_t *src, uint32_t lengthInBytes);
646 #endif /* FLASH_SSD_IS_EEPROM_ENABLED */
647 
648 /*@}*/
649 
650 /*!
651  * @name Reading
652  * @{
653  */
654 
655 /*!
656  * @brief Reads the Program Once Field through parameters.
657  *
658  * This function reads the read once feild with given index and length.
659  *
660  * @param config A pointer to the storage for the driver runtime state.
661  * @param index The index indicating the area of program once field to be read.
662  * @param dst A pointer to the destination buffer of data that is used to store
663  *        data to be read.
664  * @param lengthInBytes The length, given in bytes (not words or long-words),
665  *        to be programmed. Must be word-aligned.
666  *
667  * @retval #kStatus_FLASH_Success API was executed successfully.
668  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
669  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
670  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
671  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
672  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
673  */
674 status_t FLASH_ReadOnce(flash_config_t *config, uint32_t index, uint32_t *dst, uint32_t lengthInBytes);
675 
676 /*@}*/
677 
678 /*!
679  * @name Security
680  * @{
681  */
682 
683 /*!
684  * @brief Returns the security state via the pointer passed into the function.
685  *
686  * This function retrieves the current flash security status, including the
687  * security enabling state and the backdoor key enabling state.
688  *
689  * @param config A pointer to storage for the driver runtime state.
690  * @param state A pointer to the value returned for the current security status code:
691  *
692  * @retval #kStatus_FLASH_Success API was executed successfully.
693  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
694  */
695 status_t FLASH_GetSecurityState(flash_config_t *config, flash_security_state_t *state);
696 
697 /*!
698  * @brief Allows users to bypass security with a backdoor key.
699  *
700  * If the MCU is in secured state, this function unsecures the MCU by
701  * comparing the provided backdoor key with ones in the flash configuration
702  * field.
703  *
704  * @param config A pointer to the storage for the driver runtime state.
705  * @param backdoorKey A pointer to the user buffer containing the backdoor key.
706  *
707  * @retval #kStatus_FLASH_Success API was executed successfully.
708  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
709  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
710  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
711  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
712  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
713  */
714 status_t FLASH_SecurityBypass(flash_config_t *config, const uint8_t *backdoorKey);
715 
716 /*@}*/
717 
718 /*!
719  * @name Verification
720  * @{
721  */
722 
723 /*!
724  * @brief Verifies erasure of the entire flash at a specified margin level.
725  *
726  * This function checks whether the flash is erased to the
727  * specified read margin level.
728  *
729  * @param config A pointer to the storage for the driver runtime state.
730  * @param margin Read margin choice.
731  *
732  * @retval #kStatus_FLASH_Success API was executed successfully.
733  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
734  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
735  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
736  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
737  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
738  * @retval #kStatus_FLASH_EepromSingleBitFault EEPROM single bit fault error code.
739  * @retval #kStatus_FLASH_EepromDoubleBitFault EEPROM double bit fault error code.
740  */
741 status_t FLASH_VerifyEraseAll(flash_config_t *config, flash_margin_value_t margin);
742 
743 /*!
744  * @brief Verifies an erasure of the desired flash area at a specified margin level.
745  *
746  * This function checks the appropriate number of flash sectors based on
747  * the desired start address and length to check whether the flash is erased
748  * to the specified read margin level.
749  *
750  * @param config A pointer to the storage for the driver runtime state.
751  * @param margin Read margin choice.
752  * @param start The start address of the desired flash memory to be verified.
753  *        The start address does not need to be sector-aligned but must be word-aligned.
754  * @param lengthInBytes The length, given in bytes (not words or long-words),
755  *        to be verified. Must be word-aligned.
756  *
757  * @retval #kStatus_FLASH_Success API was executed successfully.
758  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
759  * @retval #kStatus_FLASH_AlignmentError Parameter is not aligned with specified baseline.
760  * @retval #kStatus_FLASH_AddressError Address is out of range.
761  * @retval #kStatus_FLASH_ExecuteInRamFunctionNotReady Execute-in-RAM function is not available.
762  * @retval #kStatus_FLASH_AccessError Invalid instruction codes and out-of bounds addresses.
763  * @retval #kStatus_FLASH_ProtectionViolation The program/erase operation is requested to execute on protected areas.
764  * @retval #kStatus_FLASH_CommandFailure Run-time error during the command execution.
765  */
766 status_t FLASH_VerifyErase(flash_config_t *config, uint32_t start, uint32_t lengthInBytes, flash_margin_value_t margin);
767 
768 /*@}*/
769 
770 /*!
771  * @name Protection
772  * @{
773  */
774 
775 /*!
776  * @brief Returns the protection state of the desired flash area via the pointer passed into the function.
777  *
778  * This function retrieves the current flash protect status for a given
779  * flash area as determined by the start address and length.
780  *
781  * @param config A pointer to the storage for the driver runtime state.
782  * @param start The start address of the desired flash memory to be checked. Must be word-aligned.
783  * @param lengthInBytes The length, given in bytes (not words or long-words)
784  *        to be checked.  Must be word-aligned.
785  * @param protection_state A pointer to the value returned for the current
786  *        protection status code for the desired flash area.
787  *
788  * @retval #kStatus_FLASH_Success API was executed successfully.
789  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
790  * @retval #kStatus_FLASH_AlignmentError Parameter is not aligned with specified baseline.
791  * @retval #kStatus_FLASH_AddressError The address is out of range.
792  */
793 status_t FLASH_IsProtected(flash_config_t *config,
794                            uint32_t start,
795                            uint32_t lengthInBytes,
796                            flash_protection_state_t *protection_state);
797 
798 /*@}*/
799 
800 /*!
801  * @name Properties
802  * @{
803  */
804 
805 /*!
806  * @brief Returns the desired flash property.
807  *
808  * @param config A pointer to the storage for the driver runtime state.
809  * @param whichProperty The desired property from the list of properties in
810  *        enum flash_property_tag_t
811  * @param value A pointer to the value returned for the desired flash property.
812  *
813  * @retval #kStatus_FLASH_Success API was executed successfully.
814  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
815  * @retval #kStatus_FLASH_UnknownProperty An unknown property tag.
816  */
817 status_t FLASH_GetProperty(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t *value);
818 
819 /*!
820  * @brief Sets the desired flash property.
821  *
822  * @param config A pointer to the storage for the driver runtime state.
823  * @param whichProperty The desired property from the list of properties in
824  *        enum flash_property_tag_t
825  * @param value A to set for the desired flash property.
826  *
827  * @retval #kStatus_FLASH_Success API was executed successfully.
828  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
829  * @retval #kStatus_FLASH_UnknownProperty An unknown property tag.
830  * @retval #kStatus_FLASH_InvalidPropertyValue An invalid property value.
831  * @retval #kStatus_FLASH_ReadOnlyProperty An read-only property tag.
832  */
833 status_t FLASH_SetProperty(flash_config_t *config, flash_property_tag_t whichProperty, uint32_t value);
834 
835 /*@}*/
836 
837 /*!
838  * @name Flash Protection Utilities
839  * @{
840  */
841 
842 /*!
843  * @brief Sets the PFlash Protection to the intended protection status.
844  *
845  * @param config A pointer to storage for the driver runtime state.
846  * @param protectStatus The expected protect status to set to the PFlash protection register.
847  *
848  * @retval #kStatus_FLASH_Success API was executed successfully.
849  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
850  * @retval #kStatus_FLASH_CommandFailure Run-time error during command execution.
851  */
852 status_t FLASH_PflashSetProtection(flash_config_t *config, pflash_protection_status_t *protectStatus);
853 
854 /*!
855  * @brief Gets the PFlash protection status.
856  *
857  * @param config A pointer to the storage for the driver runtime state.
858  * @param protectStatus  Protect status returned by the PFlash IP.
859  *
860  * @retval #kStatus_FLASH_Success API was executed successfully.
861  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
862  */
863 status_t FLASH_PflashGetProtection(flash_config_t *config, pflash_protection_status_t *protectStatus);
864 
865 #if defined(FLASH_SSD_IS_EEPROM_ENABLED) && FLASH_SSD_IS_EEPROM_ENABLED
866 /*!
867  * @brief Sets the EEPROM protection to the intended protection status.
868  *
869  * @param config A pointer to the storage for the driver runtime state.
870  * @param protectStatus The expected protect status to set to the EEPROM protection register.
871  *
872  * @retval #kStatus_FLASH_Success API was executed successfully.
873  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
874  * @retval #kStatus_FLASH_CommandNotSupported Flash API is not supported.
875  * @retval #kStatus_FLASH_CommandFailure Run-time error during command execution.
876  */
877 status_t FLASH_EepromSetProtection(flash_config_t *config, uint8_t protectStatus);
878 #endif /* FLASH_SSD_IS_EEPROM_ENABLED */
879 
880 #if defined(FLASH_SSD_IS_EEPROM_ENABLED) && FLASH_SSD_IS_EEPROM_ENABLED
881 /*!
882  * @brief Gets the EEPROM protection status.
883  *
884  * @param config A pointer to the storage for the driver runtime state.
885  * @param protectStatus  EEPROM Protect status returned by the EEPROM IP.
886  *
887  * @retval #kStatus_FLASH_Success API was executed successfully.
888  * @retval #kStatus_FLASH_InvalidArgument An invalid argument is provided.
889  * @retval #kStatus_FLASH_CommandNotSupported Flash API is not supported.
890  */
891 status_t FLASH_EepromGetProtection(flash_config_t *config, uint8_t *protectStatus);
892 #endif /* FLASH_SSD_IS_EEPROM_ENABLED */
893 
894 /*@}*/
895 
896 /*!
897  * @name Flash Speculation Utilities
898  * @{
899  */
900 
901 /*!
902  * @brief Sets the PFlash prefetch speculation to the intended speculation status.
903  *
904  * @param speculationStatus The expected protect status to set to the PFlash protection register. Each bit is
905  * @retval #kStatus_FLASH_Success API was executed successfully.
906  * @retval #kStatus_FLASH_InvalidSpeculationOption An invalid speculation option argument is provided.
907  */
908 status_t FLASH_PflashSetPrefetchSpeculation(flash_prefetch_speculation_status_t *speculationStatus);
909 
910 /*!
911  * @brief Gets the PFlash prefetch speculation status.
912  *
913  * @param speculationStatus  Speculation status returned by the PFlash IP.
914  * @retval #kStatus_FLASH_Success API was executed successfully.
915  */
916 status_t FLASH_PflashGetPrefetchSpeculation(flash_prefetch_speculation_status_t *speculationStatus);
917 
918 /*@}*/
919 
920 #if defined(__cplusplus)
921 }
922 #endif
923 
924 /*! @}*/
925 
926 #endif /* _FSL_FLASH_H_ */
927