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simmel-bootloader/lib/sdk/components/drivers_nrf/hal/nrf_qspi.h
hathach df71d3444d follow #1 
seperate files from latest SDK (currently 14.2.0) from good old non-
secure bootloader sdk 11
2018-04-05 00:35:08 +07:00

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31 KiB
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/**
* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**
* @defgroup nrf_qspi_hal QSPI HAL
* @{
* @ingroup nrf_qspi
*
* @brief Hardware access layer for accessing the QSPI peripheral.
*/
#ifndef NRF_QSPI_H__
#define NRF_QSPI_H__
#include <stddef.h>
#include <stdbool.h>
#include "boards.h"
#include "nrf.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief This value can be used as a parameter for the @ref nrf_qspi_pins_set
* function to specify that a given QSPI signal (SCK, CSN, IO0, IO1, IO2, or IO3)
* will not be connected to a physical pin.
*/
#define NRF_QSPI_PIN_NOT_CONNECTED 0xFF
/**
* @brief Macro for setting proper values to pin registers.
*/
#define NRF_QSPI_PIN_VAL(pin) (pin) == NRF_QSPI_PIN_NOT_CONNECTED ? 0xFFFFFFFF : (pin)
/**
* @brief QSPI tasks.
*/
typedef enum
{
/*lint -save -e30*/
NRF_QSPI_TASK_ACTIVATE = offsetof(NRF_QSPI_Type, TASKS_ACTIVATE), /**< Activate the QSPI interface. */
NRF_QSPI_TASK_READSTART = offsetof(NRF_QSPI_Type, TASKS_READSTART), /**< Start transfer from external flash memory to internal RAM. */
NRF_QSPI_TASK_WRITESTART = offsetof(NRF_QSPI_Type, TASKS_WRITESTART), /**< Start transfer from internal RAM to external flash memory. */
NRF_QSPI_TASK_ERASESTART = offsetof(NRF_QSPI_Type, TASKS_ERASESTART), /**< Start external flash memory erase operation. */
/*lint -restore*/
} nrf_qspi_task_t;
/**
* @brief QSPI events.
*/
typedef enum
{
/*lint -save -e30*/
NRF_QSPI_EVENT_READY = offsetof(NRF_QSPI_Type, EVENTS_READY) /**< QSPI peripheral is ready after it executes any task. */
/*lint -restore*/
} nrf_qspi_event_t;
/**
* @brief QSPI interrupts.
*/
typedef enum
{
NRF_QSPI_INT_READY_MASK = QSPI_INTENSET_READY_Msk /**< Interrupt on READY event. */
} nrf_qspi_int_mask_t;
/**
* @brief QSPI frequency divider values.
*/
typedef enum
{
NRF_QSPI_FREQ_32MDIV1, /**< 32.0 MHz. */
NRF_QSPI_FREQ_32MDIV2, /**< 16.0 MHz. */
NRF_QSPI_FREQ_32MDIV3, /**< 10.6 MHz. */
NRF_QSPI_FREQ_32MDIV4, /**< 8.00 MHz. */
NRF_QSPI_FREQ_32MDIV5, /**< 6.40 MHz. */
NRF_QSPI_FREQ_32MDIV6, /**< 5.33 MHz. */
NRF_QSPI_FREQ_32MDIV7, /**< 4.57 MHz. */
NRF_QSPI_FREQ_32MDIV8, /**< 4.00 MHz. */
NRF_QSPI_FREQ_32MDIV9, /**< 3.55 MHz. */
NRF_QSPI_FREQ_32MDIV10, /**< 3.20 MHz. */
NRF_QSPI_FREQ_32MDIV11, /**< 2.90 MHz. */
NRF_QSPI_FREQ_32MDIV12, /**< 2.66 MHz. */
NRF_QSPI_FREQ_32MDIV13, /**< 2.46 MHz. */
NRF_QSPI_FREQ_32MDIV14, /**< 2.29 MHz. */
NRF_QSPI_FREQ_32MDIV15, /**< 2.13 MHz. */
NRF_QSPI_FREQ_32MDIV16, /**< 2.00 MHz. */
} nrf_qspi_frequency_t;
/**
* @brief Interface configuration for a read operation.
*/
typedef enum
{
NRF_QSPI_READOC_FASTREAD = QSPI_IFCONFIG0_READOC_FASTREAD, /**< Single data line SPI. FAST_READ (opcode 0x0B). */
NRF_QSPI_READOC_READ2O = QSPI_IFCONFIG0_READOC_READ2O, /**< Dual data line SPI. READ2O (opcode 0x3B). */
NRF_QSPI_READOC_READ2IO = QSPI_IFCONFIG0_READOC_READ2IO, /**< Dual data line SPI. READ2IO (opcode 0xBB). */
NRF_QSPI_READOC_READ4O = QSPI_IFCONFIG0_READOC_READ4O, /**< Quad data line SPI. READ4O (opcode 0x6B). */
NRF_QSPI_READOC_READ4IO = QSPI_IFCONFIG0_READOC_READ4IO /**< Quad data line SPI. READ4IO (opcode 0xEB). */
} nrf_qspi_readoc_t;
/**
* @brief Interface configuration for a write operation.
*/
typedef enum
{
NRF_QSPI_WRITEOC_PP = QSPI_IFCONFIG0_WRITEOC_PP, /**< Single data line SPI. PP (opcode 0x02). */
NRF_QSPI_WRITEOC_PP2O = QSPI_IFCONFIG0_WRITEOC_PP2O, /**< Dual data line SPI. PP2O (opcode 0xA2). */
NRF_QSPI_WRITEOC_PP4O = QSPI_IFCONFIG0_WRITEOC_PP4O, /**< Quad data line SPI. PP4O (opcode 0x32). */
NRF_QSPI_WRITEOC_PP4IO = QSPI_IFCONFIG0_WRITEOC_PP4IO, /**< Quad data line SPI. READ4O (opcode 0x38). */
} nrf_qspi_writeoc_t;
/**
* @brief Interface configuration for addressing mode.
*/
typedef enum
{
NRF_QSPI_ADDRMODE_24BIT = QSPI_IFCONFIG0_ADDRMODE_24BIT, /**< 24-bit addressing. */
NRF_QSPI_ADDRMODE_32BIT = QSPI_IFCONFIG0_ADDRMODE_32BIT /**< 32-bit addressing. */
} nrf_qspi_addrmode_t;
/**
* @brief QSPI SPI mode. Polarization and phase configuration.
*/
typedef enum
{
NRF_QSPI_MODE_0 = QSPI_IFCONFIG1_SPIMODE_MODE0, /**< Mode 0 (CPOL=0, CPHA=0). */
NRF_QSPI_MODE_1 = QSPI_IFCONFIG1_SPIMODE_MODE3 /**< Mode 1 (CPOL=1, CPHA=1). */
} nrf_qspi_spi_mode_t;
/**
* @brief Addressing configuration mode.
*/
typedef enum
{
NRF_QSPI_ADDRCONF_MODE_NOINSTR = QSPI_ADDRCONF_MODE_NoInstr, /**< Do not send any instruction. */
NRF_QSPI_ADDRCONF_MODE_OPCODE = QSPI_ADDRCONF_MODE_Opcode, /**< Send opcode. */
NRF_QSPI_ADDRCONF_MODE_OPBYTE0 = QSPI_ADDRCONF_MODE_OpByte0, /**< Send opcode, byte0. */
NRF_QSPI_ADDRCONF_MODE_ALL = QSPI_ADDRCONF_MODE_All /**< Send opcode, byte0, byte1. */
} nrf_qspi_addrconfig_mode_t;
/**
* @brief Erasing data length.
*/
typedef enum
{
NRF_QSPI_ERASE_LEN_4KB = QSPI_ERASE_LEN_LEN_4KB, /**< Erase 4 kB block (flash command 0x20). */
NRF_QSPI_ERASE_LEN_64KB = QSPI_ERASE_LEN_LEN_64KB, /**< Erase 64 kB block (flash command 0xD8). */
NRF_QSPI_ERASE_LEN_ALL = QSPI_ERASE_LEN_LEN_All /**< Erase all (flash command 0xC7). */
} nrf_qspi_erase_len_t;
/**
* @brief Custom instruction length.
*/
typedef enum
{
NRF_QSPI_CINSTR_LEN_1B = QSPI_CINSTRCONF_LENGTH_1B, /**< Send opcode only. */
NRF_QSPI_CINSTR_LEN_2B = QSPI_CINSTRCONF_LENGTH_2B, /**< Send opcode, CINSTRDAT0.BYTE0. */
NRF_QSPI_CINSTR_LEN_3B = QSPI_CINSTRCONF_LENGTH_3B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT0.BYTE1. */
NRF_QSPI_CINSTR_LEN_4B = QSPI_CINSTRCONF_LENGTH_4B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT0.BYTE2. */
NRF_QSPI_CINSTR_LEN_5B = QSPI_CINSTRCONF_LENGTH_5B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT0.BYTE3. */
NRF_QSPI_CINSTR_LEN_6B = QSPI_CINSTRCONF_LENGTH_6B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE4. */
NRF_QSPI_CINSTR_LEN_7B = QSPI_CINSTRCONF_LENGTH_7B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE5. */
NRF_QSPI_CINSTR_LEN_8B = QSPI_CINSTRCONF_LENGTH_8B, /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE6. */
NRF_QSPI_CINSTR_LEN_9B = QSPI_CINSTRCONF_LENGTH_9B /**< Send opcode, CINSTRDAT0.BYTE0 -> CINSTRDAT1.BYTE7. */
} nrf_qspi_cinstr_len_t;
/**
* @brief Pins configuration.
*/
typedef struct
{
uint8_t sck_pin; /**< SCK pin number. */
uint8_t csn_pin; /**< Chip select pin number. */
uint8_t io0_pin; /**< IO0/MOSI pin number. */
uint8_t io1_pin; /**< IO1/MISO pin number. */
uint8_t io2_pin; /**< IO2 pin number (optional).
* Set to @ref NRF_QSPI_PIN_NOT_CONNECTED if this signal is not needed.
*/
uint8_t io3_pin; /**< IO3 pin number (optional).
* Set to @ref NRF_QSPI_PIN_NOT_CONNECTED if this signal is not needed.
*/
} nrf_qspi_pins_t;
/**
* @brief Custom instruction configuration.
*/
typedef struct
{
uint8_t opcode; /**< Opcode used in custom instruction transmission. */
nrf_qspi_cinstr_len_t length; /**< Length of the custom instruction data. */
bool io2_level; /**< I/O line level during transmission. */
bool io3_level; /**< I/O line level during transmission. */
bool wipwait; /**< Wait if a Wait in Progress bit is set in the memory status byte. */
bool wren; /**< Send write enable before instruction. */
} nrf_qspi_cinstr_conf_t;
/**
* @brief Addressing mode register configuration. See @ref nrf_qspi_addrconfig_set
*/
typedef struct
{
uint8_t opcode; /**< Opcode used to enter proper addressing mode. */
uint8_t byte0; /**< Byte following the opcode. */
uint8_t byte1; /**< Byte following byte0. */
nrf_qspi_addrconfig_mode_t mode; /**< Extended addresing mode. */
bool wipwait; /**< Enable/disable waiting for complete operation execution. */
bool wren; /**< Send write enable before instruction. */
} nrf_qspi_addrconfig_conf_t;
/**
* @brief Structure with QSPI protocol interface configuration.
*/
typedef struct
{
nrf_qspi_readoc_t readoc; /**< Read operation code. */
nrf_qspi_writeoc_t writeoc; /**< Write operation code. */
nrf_qspi_addrmode_t addrmode; /**< Addresing mode (24-bit or 32-bit). */
bool dpmconfig; /**< Enable the Deep Power-down Mode (DPM) feature. */
} nrf_qspi_prot_conf_t;
/**
* @brief QSPI physical interface configuration.
*/
typedef struct
{
uint8_t sck_delay; /**< tSHSL, tWHSL, and tSHWL in number of 16 MHz periods (62.5ns). */
bool dpmen; /**< Enable the DPM feature. */
nrf_qspi_spi_mode_t spi_mode; /**< SPI phase and polarization. */
nrf_qspi_frequency_t sck_freq; /**< SCK frequency given as enum @ref nrf_qspi_frequency_t. */
} nrf_qspi_phy_conf_t;
/**
* @brief Function for activating a specific QSPI task.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] task Task to activate.
*/
__STATIC_INLINE void nrf_qspi_task_trigger(NRF_QSPI_Type * p_reg, nrf_qspi_task_t task);
/**
* @brief Function for getting the address of a specific QSPI task register.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] task Requested task.
*
* @return Address of the specified task register.
*/
__STATIC_INLINE uint32_t nrf_qspi_task_address_get(NRF_QSPI_Type const * p_reg,
nrf_qspi_task_t task);
/**
* @brief Function for clearing a specific QSPI event.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] qspi_event Event to clear.
*/
__STATIC_INLINE void nrf_qspi_event_clear(NRF_QSPI_Type * p_reg, nrf_qspi_event_t qspi_event);
/**
* @brief Function for checking the state of a specific SPI event.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] qspi_event Event to check.
*
* @retval true If the event is set.
* @retval false If the event is not set.
*/
__STATIC_INLINE bool nrf_qspi_event_check(NRF_QSPI_Type const * p_reg, nrf_qspi_event_t qspi_event);
/**
* @brief Function for getting the address of a specific QSPI event register.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] qspi_event Requested event.
*
* @return Address of the specified event register.
*/
__STATIC_INLINE uint32_t * nrf_qspi_event_address_get(NRF_QSPI_Type const * p_reg,
nrf_qspi_event_t qspi_event);
/**
* @brief Function for enabling specified interrupts.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] qspi_int_mask Interrupts to enable.
*/
__STATIC_INLINE void nrf_qspi_int_enable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask);
/**
* @brief Function for disabling specified interrupts.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] qspi_int_mask Interrupts to disable.
*/
__STATIC_INLINE void nrf_qspi_int_disable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask);
/**
* @brief Function for retrieving the state of a given interrupt.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] qspi_int Interrupt to check.
*
* @retval true If the interrupt is enabled.
* @retval false If the interrupt is not enabled.
*/
__STATIC_INLINE bool nrf_qspi_int_enable_check(NRF_QSPI_Type const * p_reg,
nrf_qspi_int_mask_t qspi_int);
/**
* @brief Function for enabling the QSPI peripheral.
*
* @param[in] p_reg Pointer to the peripheral register structure.
*/
__STATIC_INLINE void nrf_qspi_enable(NRF_QSPI_Type * p_reg);
/**
* @brief Function for disabling the QSPI peripheral.
*
* @param[in] p_reg Pointer to the peripheral register structure.
*/
__STATIC_INLINE void nrf_qspi_disable(NRF_QSPI_Type * p_reg);
/**
* @brief Function for configuring QSPI pins.
*
* If a given signal is not needed, pass the @ref NRF_QSPI_PIN_NOT_CONNECTED
* value instead of its pin number.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] p_pins Pointer to the pins configuration structure. See @ref nrf_qspi_pins_t.
*/
__STATIC_INLINE void nrf_qspi_pins_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_pins_t * p_pins);
/**
* @brief Function for setting the QSPI IFCONFIG0 register.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] p_config Pointer to the QSPI protocol interface configuration structure. See @ref nrf_qspi_prot_conf_t.
*/
__STATIC_INLINE void nrf_qspi_ifconfig0_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_prot_conf_t * p_config);
/**
* @brief Function for setting the QSPI IFCONFIG1 register.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] p_config Pointer to the QSPI physical interface configuration structure. See @ref nrf_qspi_phy_conf_t.
*/
__STATIC_INLINE void nrf_qspi_ifconfig1_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_phy_conf_t * p_config);
/**
* @brief Function for setting the QSPI ADDRCONF register.
*
* Function must be executed before sending task NRF_QSPI_TASK_ACTIVATE. Data stored in the structure
* is sent during the start of the peripheral. Remember that the reset instruction can set
* addressing mode to default in the memory device. If memory reset is necessary before configuring
* the addressing mode, use custom instruction feature instead of this function.
* Case with reset: Enable the peripheral without setting ADDRCONF register, send reset instructions
* using a custom instruction feature (reset enable and then reset), set proper addressing mode
* using the custom instruction feature.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] p_config Pointer to the addressing mode configuration structure. See @ref nrf_qspi_addrconfig_conf_t.
*/
__STATIC_INLINE void nrf_qspi_addrconfig_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_addrconfig_conf_t * p_config);
/**
* @brief Function for setting write data into the peripheral register (without starting the process).
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] p_buffer Pointer to the writing buffer.
* @param[in] length Lenght of the writing data.
* @param[in] dest_addr Address in memory to write to.
*/
__STATIC_INLINE void nrf_qspi_write_buffer_set(NRF_QSPI_Type * p_reg,
void const * p_buffer,
uint32_t length,
uint32_t dest_addr);
/**
* @brief Function for setting read data into the peripheral register (without starting the process).
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[out] p_buffer Pointer to the reading buffer.
* @param[in] length Length of the read data.
* @param[in] src_addr Address in memory to read from.
*/
__STATIC_INLINE void nrf_qspi_read_buffer_set(NRF_QSPI_Type * p_reg,
void * p_buffer,
uint32_t length,
uint32_t src_addr);
/**
* @brief Function for setting erase data into the peripheral register (without starting the process).
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] erase_addr Start address to erase. Address must have padding set to 4 bytes.
* @param[in] len Size of erasing area.
*/
__STATIC_INLINE void nrf_qspi_erase_ptr_set(NRF_QSPI_Type * p_reg,
uint32_t erase_addr,
nrf_qspi_erase_len_t len);
/**
* @brief Function for getting the peripheral status register.
*
* @param[in] p_reg Pointer to the peripheral register structure.
*
* @return Peripheral status register.
*/
__STATIC_INLINE uint32_t nrf_qspi_status_reg_get(NRF_QSPI_Type const * p_reg);
/**
* @brief Function for getting the device status register stored in the peripheral status register.
*
* @param[in] p_reg Pointer to the peripheral register structure.
*
* @return Device status register (lower byte).
*/
__STATIC_INLINE uint8_t nrf_qspi_sreg_get(NRF_QSPI_Type const * p_reg);
/**
* @brief Function for checking if the peripheral is busy or not.
*
* @param[in] p_reg Pointer to the peripheral register structure.
*
* @retval true If QSPI is busy.
* @retval false If QSPI is ready.
*/
__STATIC_INLINE bool nrf_qspi_busy_check(NRF_QSPI_Type const * p_reg);
/**
* @brief Function for setting registers sending with custom instruction transmission.
*
* This function can be ommited when using NRF_QSPI_CINSTR_LEN_1B as the length argument
* (sending only opcode without data).
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] length Length of the custom instruction data.
* @param[in] p_tx_data Pointer to the data to send with the custom instruction.
*/
__STATIC_INLINE void nrf_qspi_cinstrdata_set(NRF_QSPI_Type * p_reg,
nrf_qspi_cinstr_len_t length,
void const * p_tx_data);
/**
* @brief Function for getting data from register after custom instruction transmission.
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] length Length of the custom instruction data.
* @param[in] p_rx_data Pointer to the reading buffer.
*/
__STATIC_INLINE void nrf_qspi_cinstrdata_get(NRF_QSPI_Type const * p_reg,
nrf_qspi_cinstr_len_t length,
void * p_rx_data);
/**
* @brief Function for sending custom instruction to external memory.
*
* @param[in] p_reg Pointer to the peripheral register structure.
* @param[in] p_config Pointer to the custom instruction configuration structure. See @ref nrf_qspi_cinstr_conf_t.
*/
__STATIC_INLINE void nrf_qspi_cinstr_transfer_start(NRF_QSPI_Type * p_reg,
const nrf_qspi_cinstr_conf_t * p_config);
#ifndef SUPPRESS_INLINE_IMPLEMENTATION
__STATIC_INLINE void nrf_qspi_task_trigger(NRF_QSPI_Type * p_reg, nrf_qspi_task_t task)
{
*((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task)) = 0x1UL;
}
__STATIC_INLINE uint32_t nrf_qspi_task_address_get(NRF_QSPI_Type const * p_reg,
nrf_qspi_task_t task)
{
return ((uint32_t)p_reg + (uint32_t)task);
}
__STATIC_INLINE void nrf_qspi_event_clear(NRF_QSPI_Type * p_reg, nrf_qspi_event_t qspi_event)
{
*((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)qspi_event)) = 0x0UL;
}
__STATIC_INLINE bool nrf_qspi_event_check(NRF_QSPI_Type const * p_reg, nrf_qspi_event_t qspi_event)
{
return (bool)*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)qspi_event);
}
__STATIC_INLINE uint32_t * nrf_qspi_event_address_get(NRF_QSPI_Type const * p_reg,
nrf_qspi_event_t qspi_event)
{
return (uint32_t *)((uint8_t *)p_reg + (uint32_t)qspi_event);
}
__STATIC_INLINE void nrf_qspi_int_enable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask)
{
p_reg->INTENSET = qspi_int_mask;
}
__STATIC_INLINE void nrf_qspi_int_disable(NRF_QSPI_Type * p_reg, uint32_t qspi_int_mask)
{
p_reg->INTENCLR = qspi_int_mask;
}
__STATIC_INLINE bool nrf_qspi_int_enable_check(NRF_QSPI_Type const * p_reg,
nrf_qspi_int_mask_t qspi_int)
{
return (bool)(p_reg->INTENSET & qspi_int);
}
__STATIC_INLINE void nrf_qspi_enable(NRF_QSPI_Type * p_reg)
{
p_reg->ENABLE = (QSPI_ENABLE_ENABLE_Enabled << QSPI_ENABLE_ENABLE_Pos);
}
__STATIC_INLINE void nrf_qspi_disable(NRF_QSPI_Type * p_reg)
{
p_reg->ENABLE = (QSPI_ENABLE_ENABLE_Disabled << QSPI_ENABLE_ENABLE_Pos);
}
__STATIC_INLINE void nrf_qspi_pins_set(NRF_QSPI_Type * p_reg, const nrf_qspi_pins_t * p_pins)
{
p_reg->PSEL.SCK = NRF_QSPI_PIN_VAL(p_pins->sck_pin);
p_reg->PSEL.CSN = NRF_QSPI_PIN_VAL(p_pins->csn_pin);
p_reg->PSEL.IO0 = NRF_QSPI_PIN_VAL(p_pins->io0_pin);
p_reg->PSEL.IO1 = NRF_QSPI_PIN_VAL(p_pins->io1_pin);
p_reg->PSEL.IO2 = NRF_QSPI_PIN_VAL(p_pins->io2_pin);
p_reg->PSEL.IO3 = NRF_QSPI_PIN_VAL(p_pins->io3_pin);
}
__STATIC_INLINE void nrf_qspi_ifconfig0_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_prot_conf_t * p_config)
{
uint32_t config = p_config->readoc;
config |= ((uint32_t)p_config->writeoc) << QSPI_IFCONFIG0_WRITEOC_Pos;
config |= ((uint32_t)p_config->addrmode) << QSPI_IFCONFIG0_ADDRMODE_Pos;
config |= (p_config->dpmconfig ? 1U : 0U ) << QSPI_IFCONFIG0_DPMENABLE_Pos;
p_reg->IFCONFIG0 = config;
}
__STATIC_INLINE void nrf_qspi_ifconfig1_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_phy_conf_t * p_config)
{
// IFCONFIG1 mask for reserved fields in the register.
uint32_t config = p_reg->IFCONFIG1 & 0x00FFFF00;
config |= p_config->sck_delay;
config |= (p_config->dpmen ? 1U : 0U) << QSPI_IFCONFIG1_DPMEN_Pos;
config |= ((uint32_t)(p_config->spi_mode)) << QSPI_IFCONFIG1_SPIMODE_Pos;
config |= ((uint32_t)(p_config->sck_freq)) << QSPI_IFCONFIG1_SCKFREQ_Pos;
p_reg->IFCONFIG1 = config;
}
__STATIC_INLINE void nrf_qspi_addrconfig_set(NRF_QSPI_Type * p_reg,
const nrf_qspi_addrconfig_conf_t * p_config)
{
uint32_t config = p_config->opcode;
config |= ((uint32_t)p_config->byte0) << QSPI_ADDRCONF_BYTE0_Pos;
config |= ((uint32_t)p_config->byte1) << QSPI_ADDRCONF_BYTE1_Pos;
config |= ((uint32_t)(p_config->mode)) << QSPI_ADDRCONF_MODE_Pos;
config |= (p_config->wipwait ? 1U : 0U) << QSPI_ADDRCONF_WIPWAIT_Pos;
config |= (p_config->wren ? 1U : 0U) << QSPI_ADDRCONF_WREN_Pos;
p_reg->ADDRCONF = config;
}
__STATIC_INLINE void nrf_qspi_write_buffer_set(NRF_QSPI_Type * p_reg,
void const * p_buffer,
uint32_t length,
uint32_t dest_addr)
{
p_reg->WRITE.DST = dest_addr;
p_reg->WRITE.SRC = (uint32_t) p_buffer;
p_reg->WRITE.CNT = length;
}
__STATIC_INLINE void nrf_qspi_read_buffer_set(NRF_QSPI_Type * p_reg,
void * p_buffer,
uint32_t length,
uint32_t src_addr)
{
p_reg->READ.SRC = src_addr;
p_reg->READ.DST = (uint32_t) p_buffer;
p_reg->READ.CNT = length;
}
__STATIC_INLINE void nrf_qspi_erase_ptr_set(NRF_QSPI_Type * p_reg,
uint32_t erase_addr,
nrf_qspi_erase_len_t len)
{
p_reg->ERASE.PTR = erase_addr;
p_reg->ERASE.LEN = len;
}
__STATIC_INLINE uint32_t nrf_qspi_status_reg_get(NRF_QSPI_Type const * p_reg)
{
return p_reg->STATUS;
}
__STATIC_INLINE uint8_t nrf_qspi_sreg_get(NRF_QSPI_Type const * p_reg)
{
return (uint8_t)(p_reg->STATUS & QSPI_STATUS_SREG_Msk) >> QSPI_STATUS_SREG_Pos;
}
__STATIC_INLINE bool nrf_qspi_busy_check(NRF_QSPI_Type const * p_reg)
{
return ((p_reg->STATUS & QSPI_STATUS_READY_Msk) >>
QSPI_STATUS_READY_Pos) == QSPI_STATUS_READY_BUSY;
}
__STATIC_INLINE void nrf_qspi_cinstrdata_set(NRF_QSPI_Type * p_reg,
nrf_qspi_cinstr_len_t length,
void const * p_tx_data)
{
uint32_t reg = 0;
uint8_t const *p_tx_data_8 = (uint8_t const *) p_tx_data;
// Load custom instruction.
switch (length)
{
case NRF_QSPI_CINSTR_LEN_9B:
reg |= ((uint32_t)p_tx_data_8[7]) << QSPI_CINSTRDAT1_BYTE7_Pos;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_8B:
reg |= ((uint32_t)p_tx_data_8[6]) << QSPI_CINSTRDAT1_BYTE6_Pos;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_7B:
reg |= ((uint32_t)p_tx_data_8[5]) << QSPI_CINSTRDAT1_BYTE5_Pos;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_6B:
reg |= ((uint32_t)p_tx_data_8[4]);
p_reg->CINSTRDAT1 = reg;
reg = 0;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_5B:
reg |= ((uint32_t)p_tx_data_8[3]) << QSPI_CINSTRDAT0_BYTE3_Pos;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_4B:
reg |= ((uint32_t)p_tx_data_8[2]) << QSPI_CINSTRDAT0_BYTE2_Pos;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_3B:
reg |= ((uint32_t)p_tx_data_8[1]) << QSPI_CINSTRDAT0_BYTE1_Pos;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_2B:
reg |= ((uint32_t)p_tx_data_8[0]);
p_reg->CINSTRDAT0 = reg;
/* fall-through */
case NRF_QSPI_CINSTR_LEN_1B:
/* Send only opcode. Case to avoid compiler warnings. */
break;
default:
break;
}
}
__STATIC_INLINE void nrf_qspi_cinstrdata_get(NRF_QSPI_Type const * p_reg,
nrf_qspi_cinstr_len_t length,
void * p_rx_data)
{
uint8_t *p_rx_data_8 = (uint8_t *) p_rx_data;
uint32_t reg = p_reg->CINSTRDAT1;
switch (length)
{
case NRF_QSPI_CINSTR_LEN_9B:
p_rx_data_8[7] = (uint8_t)(reg >> QSPI_CINSTRDAT1_BYTE7_Pos);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_8B:
p_rx_data_8[6] = (uint8_t)(reg >> QSPI_CINSTRDAT1_BYTE6_Pos);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_7B:
p_rx_data_8[5] = (uint8_t)(reg >> QSPI_CINSTRDAT1_BYTE5_Pos);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_6B:
p_rx_data_8[4] = (uint8_t)(reg);
/* fall-through */
default:
break;
}
reg = p_reg->CINSTRDAT0;
switch (length)
{
case NRF_QSPI_CINSTR_LEN_5B:
p_rx_data_8[3] = (uint8_t)(reg >> QSPI_CINSTRDAT0_BYTE3_Pos);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_4B:
p_rx_data_8[2] = (uint8_t)(reg >> QSPI_CINSTRDAT0_BYTE2_Pos);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_3B:
p_rx_data_8[1] = (uint8_t)(reg >> QSPI_CINSTRDAT0_BYTE1_Pos);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_2B:
p_rx_data_8[0] = (uint8_t)(reg);
/* fall-through */
case NRF_QSPI_CINSTR_LEN_1B:
/* Send only opcode. Case to avoid compiler warnings. */
break;
default:
break;
}
}
__STATIC_INLINE void nrf_qspi_cinstr_transfer_start(NRF_QSPI_Type * p_reg,
const nrf_qspi_cinstr_conf_t * p_config)
{
p_reg->CINSTRCONF = (((uint32_t)p_config->opcode << QSPI_CINSTRCONF_OPCODE_Pos) |
((uint32_t)p_config->length << QSPI_CINSTRCONF_LENGTH_Pos) |
((uint32_t)p_config->io2_level << QSPI_CINSTRCONF_LIO2_Pos) |
((uint32_t)p_config->io3_level << QSPI_CINSTRCONF_LIO3_Pos) |
((uint32_t)p_config->wipwait << QSPI_CINSTRCONF_WIPWAIT_Pos) |
((uint32_t)p_config->wren << QSPI_CINSTRCONF_WREN_Pos));
}
#endif // SUPPRESS_INLINE_IMPLEMENTATION
#ifdef __cplusplus
}
#endif
#endif // NRF_QSPI_H__
/** @} */
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