171 lines
6.8 KiB
C
171 lines
6.8 KiB
C
/*
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* Copyright 2017-2020 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "fsl_romapi.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/* Component ID definition, used by tools. */
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#ifndef FSL_COMPONENT_ID
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#define FSL_COMPONENT_ID "driver.romapi"
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#endif
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*!
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* @brief Interface for the ROM FLEXSPI NOR flash driver.
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*/
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typedef struct
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{
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uint32_t version;
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status_t (*init)(uint32_t instance, flexspi_nor_config_t *config);
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status_t (*program)(uint32_t instance, flexspi_nor_config_t *config, uint32_t dst_addr, const uint32_t *src);
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uint32_t reserved0;
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status_t (*erase)(uint32_t instance, flexspi_nor_config_t *config, uint32_t start, uint32_t lengthInBytes);
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uint32_t reserved1;
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void (*clear_cache)(uint32_t instance);
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status_t (*xfer)(uint32_t instance, flexspi_xfer_t *xfer);
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status_t (*update_lut)(uint32_t instance, uint32_t seqIndex, const uint32_t *lutBase, uint32_t seqNumber);
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uint32_t reserved2;
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} flexspi_nor_driver_interface_t;
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/*!
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* @brief Root of the bootloader api tree.
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*
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* An instance of this struct resides in read-only memory in the bootloader. It
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* provides a user application access to APIs exported by the bootloader.
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*
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* @note The order of existing fields must not be changed.
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*/
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typedef struct
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{
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void (*runBootloader)(void *arg); /*!< Function to start the bootloader executing */
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const uint32_t version; /*!< Bootloader version number */
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const uint8_t *copyright; /*!< Bootloader Copyright */
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const uint32_t reserved0;
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flexspi_nor_driver_interface_t *flexSpiNorDriver; /*!< FLEXSPI NOR flash api */
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} bootloader_api_entry_t;
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/*******************************************************************************
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* Variables
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******************************************************************************/
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#define g_bootloaderTree ((bootloader_api_entry_t *)*(uint32_t *)0x0020001cU)
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#define api_flexspi_nor_erase_sector \
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((status_t(*)(uint32_t instance, flexspi_nor_config_t * config, uint32_t address))0x0021055dU)
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#define api_flexspi_nor_erase_block \
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((status_t(*)(uint32_t instance, flexspi_nor_config_t * config, uint32_t address))0x002104a9U)
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/*******************************************************************************
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* Codes
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******************************************************************************/
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/*******************************************************************************
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* ROM FLEXSPI NOR driver
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******************************************************************************/
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#if defined(FSL_FEATURE_BOOT_ROM_HAS_ROMAPI) && FSL_FEATURE_BOOT_ROM_HAS_ROMAPI
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/*!
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* @brief Initialize Serial NOR devices via FLEXSPI.
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*
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* @param instance storage the instance of FLEXSPI.
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* @param config A pointer to the storage for the driver runtime state.
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*/
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status_t ROM_FLEXSPI_NorFlash_Init(uint32_t instance, flexspi_nor_config_t *config)
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{
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return g_bootloaderTree->flexSpiNorDriver->init(instance, config);
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}
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/*!
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* @brief Program data to Serial NOR via FLEXSPI.
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*
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* @param instance storage the instance of FLEXSPI.
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* @param config A pointer to the storage for the driver runtime state.
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* @param dstAddr A pointer to the desired flash memory to be programmed.
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* @param src A pointer to the source buffer of data that is to be programmed
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* into the NOR flash.
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*/
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status_t ROM_FLEXSPI_NorFlash_ProgramPage(uint32_t instance,
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flexspi_nor_config_t *config,
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uint32_t dstAddr,
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const uint32_t *src)
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{
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return g_bootloaderTree->flexSpiNorDriver->program(instance, config, dstAddr, src);
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}
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/*!
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* @brief Erase Flash Region specified by address and length.
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*
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* @param instance storage the index of FLEXSPI.
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* @param config A pointer to the storage for the driver runtime state.
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* @param start The start address of the desired NOR flash memory to be erased.
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* @param length The length, given in bytes to be erased.
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*/
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status_t ROM_FLEXSPI_NorFlash_Erase(uint32_t instance, flexspi_nor_config_t *config, uint32_t start, uint32_t length)
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{
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return g_bootloaderTree->flexSpiNorDriver->erase(instance, config, start, length);
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}
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#if defined(FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_ERASE_SECTOR) && FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_ERASE_SECTOR
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/*!
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* @brief Erase one sector specified by address.
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*
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* @param instance storage the index of FLEXSPI.
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* @param config A pointer to the storage for the driver runtime state.
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* @param start The start address of the desired NOR flash memory to be erased.
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*/
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status_t ROM_FLEXSPI_NorFlash_EraseSector(uint32_t instance, flexspi_nor_config_t *config, uint32_t start)
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{
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return api_flexspi_nor_erase_sector(instance, config, start);
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}
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#endif /* FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_ERASE_SECTOR */
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#if defined(FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_ERASE_BLOCK) && FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_ERASE_BLOCK
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/*!
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* @brief Erase one block specified by address.
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*
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* @param instance storage the index of FLEXSPI.
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* @param config A pointer to the storage for the driver runtime state.
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* @param start The start address of the desired NOR flash memory to be erased.
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*/
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status_t ROM_FLEXSPI_NorFlash_EraseBlock(uint32_t instance, flexspi_nor_config_t *config, uint32_t start)
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{
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return api_flexspi_nor_erase_block(instance, config, start);
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}
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#endif /* FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_ERASE_BLOCK */
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#if defined(FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_CMD_XFER) && FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_CMD_XFER
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/*! @brief FLEXSPI command */
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status_t ROM_FLEXSPI_NorFlash_CommandXfer(uint32_t instance, flexspi_xfer_t *xfer)
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{
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return g_bootloaderTree->flexSpiNorDriver->xfer(instance, xfer);
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}
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#endif /* FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_CMD_XFER */
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#if defined(FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_UPDATE_LUT) && FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_UPDATE_LUT
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/*! @brief Configure FLEXSPI Lookup table. */
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status_t ROM_FLEXSPI_NorFlash_UpdateLut(uint32_t instance,
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uint32_t seqIndex,
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const uint32_t *lutBase,
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uint32_t seqNumber)
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{
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return g_bootloaderTree->flexSpiNorDriver->update_lut(instance, seqIndex, lutBase, seqNumber);
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}
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#endif /* FSL_ROM_FLEXSPINOR_API_HAS_FEATURE_UPDATE_LUT */
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/*! @brief Software reset for the FLEXSPI logic. */
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void ROM_FLEXSPI_NorFlash_ClearCache(uint32_t instance)
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{
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g_bootloaderTree->flexSpiNorDriver->clear_cache(instance);
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}
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#endif /* FSL_FEATURE_BOOT_ROM_HAS_ROMAPI */
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