| /* |
| * Copyright 2021 NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #define DT_DRV_COMPAT nxp_imx_flexspi_mx25um51345g |
| |
| #include <zephyr/drivers/flash.h> |
| #include <zephyr/logging/log.h> |
| #include <zephyr/sys/util.h> |
| #include "spi_nor.h" |
| #include "memc_mcux_flexspi.h" |
| |
| #ifdef CONFIG_HAS_MCUX_CACHE |
| #include <fsl_cache.h> |
| #endif |
| |
| #define NOR_WRITE_SIZE 1 |
| #define NOR_ERASE_VALUE 0xff |
| |
| #ifdef CONFIG_FLASH_MCUX_FLEXSPI_NOR_WRITE_BUFFER |
| static uint8_t nor_write_buf[SPI_NOR_PAGE_SIZE]; |
| #endif |
| |
| /* |
| * NOTE: If CONFIG_FLASH_MCUX_FLEXSPI_XIP is selected, Any external functions |
| * called while interacting with the flexspi MUST be relocated to SRAM or ITCM |
| * at runtime, so that the chip does not access the flexspi to read program |
| * instructions while it is being written to |
| * |
| * Additionally, no data used by this driver should be stored in flash. |
| */ |
| #if defined(CONFIG_FLASH_MCUX_FLEXSPI_XIP) && (CONFIG_FLASH_LOG_LEVEL > 0) |
| #warning "Enabling flash driver logging and XIP mode simultaneously can cause \ |
| read-while-write hazards. This configuration is not recommended." |
| #endif |
| |
| /* FLASH_ENABLE_OCTAL_CMD: (01 = STR OPI Enable) , (02 = DTR OPI Enable) */ |
| #if CONFIG_FLASH_MCUX_FLEXSPI_MX25UM51345G_OPI_DTR |
| #define NOR_FLASH_ENABLE_OCTAL_CMD 0x2 |
| #else |
| #define NOR_FLASH_ENABLE_OCTAL_CMD 0x1 |
| #endif |
| |
| LOG_MODULE_REGISTER(flash_flexspi_nor, CONFIG_FLASH_LOG_LEVEL); |
| |
| enum { |
| /* Instructions matching with XIP layout */ |
| READ, |
| WRITE_ENABLE_OPI, |
| WRITE_ENABLE, |
| ERASE_SECTOR, |
| PAGE_PROGRAM_INPUT, |
| PAGE_PROGRAM, |
| READ_ID_OPI, |
| ENTER_OPI, |
| READ_STATUS_REG, |
| ERASE_CHIP, |
| }; |
| |
| /* Device variables used in critical sections should be in this structure */ |
| struct flash_flexspi_nor_data { |
| const struct device *controller; |
| flexspi_device_config_t config; |
| flexspi_port_t port; |
| struct flash_pages_layout layout; |
| struct flash_parameters flash_parameters; |
| }; |
| |
| static const uint32_t flash_flexspi_nor_lut[][4] = { |
| [READ_ID_OPI] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x9F, |
| kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x60), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_DDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_DUMMY_DDR, kFLEXSPI_8PAD, 0x16), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_READ_DDR, kFLEXSPI_8PAD, 0x04, |
| kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0x0), |
| }, |
| |
| [WRITE_ENABLE] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, 0x06, |
| kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0), |
| }, |
| |
| [ENTER_OPI] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, 0x72, |
| kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_1PAD, 0x20), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_WRITE_SDR, kFLEXSPI_1PAD, 0x04, |
| kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0), |
| }, |
| |
| #if (NOR_FLASH_ENABLE_OCTAL_CMD == 0x1) |
| [READ_STATUS_REG] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x05, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0xFA), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_DUMMY_SDR, kFLEXSPI_8PAD, 0x14), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_READ_SDR, kFLEXSPI_8PAD, 0x04, |
| kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0x0), |
| }, |
| [WRITE_ENABLE_OPI] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x06, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0xF9), |
| }, |
| |
| [ERASE_SECTOR] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x21, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0xDE), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_STOP, kFLEXSPI_8PAD, 0), |
| }, |
| |
| [ERASE_CHIP] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x60, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x9F), |
| }, |
| |
| [READ] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0xEC, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x13), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_DUMMY_SDR, kFLEXSPI_8PAD, 0x14), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_READ_SDR, kFLEXSPI_8PAD, 0x04, |
| kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0x0), |
| }, |
| |
| [PAGE_PROGRAM] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x12, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0xED), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_WRITE_SDR, kFLEXSPI_8PAD, 0x04), |
| }, |
| #else |
| [READ_STATUS_REG] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x05, |
| kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0xFA), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_DDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_READ_DDR, kFLEXSPI_8PAD, 0x4), |
| }, |
| |
| [WRITE_ENABLE_OPI] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x06, |
| kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0xF9), |
| }, |
| |
| [ERASE_SECTOR] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x21, |
| kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0xDE), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_DDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_STOP, kFLEXSPI_8PAD, 0), |
| }, |
| |
| [ERASE_CHIP] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x60, |
| kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, 0x9F), |
| }, |
| |
| [READ] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0xEE, |
| kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x11), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_DDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_DUMMY_DDR, kFLEXSPI_8PAD, 0x08), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_READ_DDR, kFLEXSPI_8PAD, 0x04, |
| kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0x0), |
| }, |
| |
| [PAGE_PROGRAM] = { |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0x12, |
| kFLEXSPI_Command_DDR, kFLEXSPI_8PAD, 0xED), |
| FLEXSPI_LUT_SEQ(kFLEXSPI_Command_RADDR_DDR, kFLEXSPI_8PAD, 0x20, |
| kFLEXSPI_Command_WRITE_DDR, kFLEXSPI_8PAD, 0x04), |
| }, |
| #endif |
| |
| }; |
| |
| static int flash_flexspi_nor_get_vendor_id(const struct device *dev, |
| uint8_t *vendor_id) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| uint32_t buffer = 0; |
| int ret; |
| |
| flexspi_transfer_t transfer = { |
| .deviceAddress = 0, |
| .port = data->port, |
| .cmdType = kFLEXSPI_Read, |
| .SeqNumber = 1, |
| .seqIndex = READ_ID_OPI, |
| .data = &buffer, |
| .dataSize = 1, |
| }; |
| |
| LOG_DBG("Reading id"); |
| |
| ret = memc_flexspi_transfer(data->controller, &transfer); |
| *vendor_id = buffer; |
| |
| return ret; |
| } |
| |
| static int flash_flexspi_nor_read_status(const struct device *dev, |
| uint32_t *status) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| flexspi_transfer_t transfer = { |
| .deviceAddress = 0, |
| .port = data->port, |
| .cmdType = kFLEXSPI_Read, |
| .SeqNumber = 1, |
| .seqIndex = READ_STATUS_REG, |
| .data = status, |
| .dataSize = 1, |
| }; |
| |
| LOG_DBG("Reading status register"); |
| |
| return memc_flexspi_transfer(data->controller, &transfer); |
| } |
| |
| static int flash_flexspi_nor_write_status(const struct device *dev, |
| uint32_t *status) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| flexspi_transfer_t transfer = { |
| .deviceAddress = 0, |
| .port = data->port, |
| .cmdType = kFLEXSPI_Write, |
| .SeqNumber = 1, |
| .seqIndex = ENTER_OPI, |
| .data = status, |
| .dataSize = 1, |
| }; |
| |
| LOG_DBG("Writing status register"); |
| |
| return memc_flexspi_transfer(data->controller, &transfer); |
| } |
| |
| static int flash_flexspi_nor_write_enable(const struct device *dev, |
| bool enableOctal) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| flexspi_transfer_t transfer; |
| |
| transfer.deviceAddress = 0; |
| transfer.port = data->port; |
| transfer.cmdType = kFLEXSPI_Command; |
| transfer.SeqNumber = 1; |
| if (enableOctal) { |
| transfer.seqIndex = WRITE_ENABLE_OPI; |
| } else { |
| transfer.seqIndex = WRITE_ENABLE; |
| } |
| transfer.data = NULL; |
| transfer.dataSize = 0; |
| |
| LOG_DBG("Enabling write"); |
| |
| return memc_flexspi_transfer(data->controller, &transfer); |
| } |
| |
| static int flash_flexspi_nor_erase_sector(const struct device *dev, |
| off_t offset) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| flexspi_transfer_t transfer = { |
| .deviceAddress = offset, |
| .port = data->port, |
| .cmdType = kFLEXSPI_Command, |
| .SeqNumber = 1, |
| .seqIndex = ERASE_SECTOR, |
| .data = NULL, |
| .dataSize = 0, |
| }; |
| |
| LOG_DBG("Erasing sector at 0x%08zx", (ssize_t) offset); |
| |
| return memc_flexspi_transfer(data->controller, &transfer); |
| } |
| |
| static int flash_flexspi_nor_erase_chip(const struct device *dev) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| flexspi_transfer_t transfer = { |
| .deviceAddress = 0, |
| .port = data->port, |
| .cmdType = kFLEXSPI_Command, |
| .SeqNumber = 1, |
| .seqIndex = ERASE_CHIP, |
| .data = NULL, |
| .dataSize = 0, |
| }; |
| |
| LOG_DBG("Erasing chip"); |
| |
| return memc_flexspi_transfer(data->controller, &transfer); |
| } |
| |
| static int flash_flexspi_nor_page_program(const struct device *dev, |
| off_t offset, const void *buffer, size_t len) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| flexspi_transfer_t transfer = { |
| .deviceAddress = offset, |
| .port = data->port, |
| .cmdType = kFLEXSPI_Write, |
| .SeqNumber = 1, |
| .seqIndex = PAGE_PROGRAM, |
| .data = (uint32_t *) buffer, |
| .dataSize = len, |
| }; |
| |
| LOG_DBG("Page programming %d bytes to 0x%08zx", len, (ssize_t) offset); |
| |
| return memc_flexspi_transfer(data->controller, &transfer); |
| } |
| |
| static int flash_flexspi_nor_wait_bus_busy(const struct device *dev) |
| { |
| uint32_t status = 0; |
| int ret; |
| |
| do { |
| ret = flash_flexspi_nor_read_status(dev, &status); |
| LOG_DBG("status: 0x%x", status); |
| if (ret) { |
| LOG_ERR("Could not read status"); |
| return ret; |
| } |
| } while (status & BIT(0)); |
| |
| return 0; |
| } |
| |
| static int flash_flexspi_enable_octal_mode(const struct device *dev) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| /* FLASH_ENABLE_OCTAL_CMD: (01 = STR OPI Enable, 02 = DTR OPI Enable) */ |
| uint32_t status = NOR_FLASH_ENABLE_OCTAL_CMD; |
| |
| flash_flexspi_nor_write_enable(dev, false); |
| flash_flexspi_nor_write_status(dev, &status); |
| flash_flexspi_nor_wait_bus_busy(dev); |
| memc_flexspi_reset(data->controller); |
| |
| return 0; |
| } |
| |
| static int flash_flexspi_nor_read(const struct device *dev, off_t offset, |
| void *buffer, size_t len) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| uint8_t *src = memc_flexspi_get_ahb_address(data->controller, |
| data->port, |
| offset); |
| |
| memcpy(buffer, src, len); |
| |
| return 0; |
| } |
| |
| static int flash_flexspi_nor_write(const struct device *dev, off_t offset, |
| const void *buffer, size_t len) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| size_t size = len; |
| uint8_t *src = (uint8_t *) buffer; |
| int i; |
| unsigned int key = 0; |
| |
| uint8_t *dst = memc_flexspi_get_ahb_address(data->controller, |
| data->port, |
| offset); |
| |
| if (memc_flexspi_is_running_xip(data->controller)) { |
| /* |
| * ==== ENTER CRITICAL SECTION ==== |
| * No flash access should be performed in critical section. All |
| * code and data accessed must reside in ram. |
| */ |
| key = irq_lock(); |
| } |
| |
| while (len) { |
| /* If the offset isn't a multiple of the NOR page size, we first need |
| * to write the remaining part that fits, otherwise the write could |
| * be wrapped around within the same page |
| */ |
| i = MIN(SPI_NOR_PAGE_SIZE - (offset % SPI_NOR_PAGE_SIZE), len); |
| #ifdef CONFIG_FLASH_MCUX_FLEXSPI_NOR_WRITE_BUFFER |
| memcpy(nor_write_buf, src, i); |
| #endif |
| flash_flexspi_nor_write_enable(dev, true); |
| #ifdef CONFIG_FLASH_MCUX_FLEXSPI_NOR_WRITE_BUFFER |
| flash_flexspi_nor_page_program(dev, offset, nor_write_buf, i); |
| #else |
| flash_flexspi_nor_page_program(dev, offset, src, i); |
| #endif |
| flash_flexspi_nor_wait_bus_busy(dev); |
| memc_flexspi_reset(data->controller); |
| src += i; |
| offset += i; |
| len -= i; |
| } |
| |
| if (memc_flexspi_is_running_xip(data->controller)) { |
| /* ==== EXIT CRITICAL SECTION ==== */ |
| irq_unlock(key); |
| } |
| |
| #ifdef CONFIG_HAS_MCUX_CACHE |
| DCACHE_InvalidateByRange((uint32_t) dst, size); |
| #endif |
| |
| return 0; |
| } |
| |
| static int flash_flexspi_nor_erase(const struct device *dev, off_t offset, |
| size_t size) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| int num_sectors = size / SPI_NOR_SECTOR_SIZE; |
| int i; |
| unsigned int key = 0; |
| |
| uint8_t *dst = memc_flexspi_get_ahb_address(data->controller, |
| data->port, |
| offset); |
| |
| if (offset % SPI_NOR_SECTOR_SIZE) { |
| LOG_ERR("Invalid offset"); |
| return -EINVAL; |
| } |
| |
| if (size % SPI_NOR_SECTOR_SIZE) { |
| LOG_ERR("Invalid size"); |
| return -EINVAL; |
| } |
| |
| if (memc_flexspi_is_running_xip(data->controller)) { |
| /* |
| * ==== ENTER CRITICAL SECTION ==== |
| * No flash access should be performed in critical section. All |
| * code and data accessed must reside in ram. |
| */ |
| key = irq_lock(); |
| } |
| |
| if ((offset == 0) && (size == data->config.flashSize * KB(1))) { |
| flash_flexspi_nor_write_enable(dev, true); |
| flash_flexspi_nor_erase_chip(dev); |
| flash_flexspi_nor_wait_bus_busy(dev); |
| memc_flexspi_reset(data->controller); |
| } else { |
| for (i = 0; i < num_sectors; i++) { |
| flash_flexspi_nor_write_enable(dev, true); |
| flash_flexspi_nor_erase_sector(dev, offset); |
| flash_flexspi_nor_wait_bus_busy(dev); |
| memc_flexspi_reset(data->controller); |
| offset += SPI_NOR_SECTOR_SIZE; |
| } |
| } |
| |
| if (memc_flexspi_is_running_xip(data->controller)) { |
| /* ==== EXIT CRITICAL SECTION ==== */ |
| irq_unlock(key); |
| } |
| |
| #ifdef CONFIG_HAS_MCUX_CACHE |
| DCACHE_InvalidateByRange((uint32_t) dst, size); |
| #endif |
| |
| return 0; |
| } |
| |
| static const struct flash_parameters *flash_flexspi_nor_get_parameters( |
| const struct device *dev) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| return &data->flash_parameters; |
| } |
| |
| #if defined(CONFIG_FLASH_PAGE_LAYOUT) |
| static void flash_flexspi_nor_pages_layout(const struct device *dev, |
| const struct flash_pages_layout **layout, size_t *layout_size) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| |
| *layout = &data->layout; |
| *layout_size = 1; |
| } |
| #endif /* CONFIG_FLASH_PAGE_LAYOUT */ |
| |
| static int flash_flexspi_nor_init(const struct device *dev) |
| { |
| struct flash_flexspi_nor_data *data = dev->data; |
| uint8_t vendor_id; |
| |
| if (!device_is_ready(data->controller)) { |
| LOG_ERR("Controller device not ready"); |
| return -ENODEV; |
| } |
| |
| if (!memc_flexspi_is_running_xip(data->controller) && |
| memc_flexspi_set_device_config(data->controller, &data->config, |
| data->port)) { |
| LOG_ERR("Could not set device configuration"); |
| return -EINVAL; |
| } |
| |
| if (memc_flexspi_update_lut(data->controller, 0, |
| (const uint32_t *) flash_flexspi_nor_lut, |
| sizeof(flash_flexspi_nor_lut) / 4)) { |
| LOG_ERR("Could not update lut"); |
| return -EINVAL; |
| } |
| |
| memc_flexspi_reset(data->controller); |
| |
| if (flash_flexspi_enable_octal_mode(dev)) { |
| LOG_ERR("Could not enable octal mode"); |
| return -EIO; |
| } |
| |
| if (flash_flexspi_nor_get_vendor_id(dev, &vendor_id)) { |
| LOG_ERR("Could not read vendor id"); |
| return -EIO; |
| } |
| LOG_DBG("Vendor id: 0x%0x", vendor_id); |
| |
| return 0; |
| } |
| |
| static const struct flash_driver_api flash_flexspi_nor_api = { |
| .erase = flash_flexspi_nor_erase, |
| .write = flash_flexspi_nor_write, |
| .read = flash_flexspi_nor_read, |
| .get_parameters = flash_flexspi_nor_get_parameters, |
| #if defined(CONFIG_FLASH_PAGE_LAYOUT) |
| .page_layout = flash_flexspi_nor_pages_layout, |
| #endif |
| }; |
| |
| #define CONCAT3(x, y, z) x ## y ## z |
| |
| #define CS_INTERVAL_UNIT(unit) \ |
| CONCAT3(kFLEXSPI_CsIntervalUnit, unit, SckCycle) |
| |
| #define AHB_WRITE_WAIT_UNIT(unit) \ |
| CONCAT3(kFLEXSPI_AhbWriteWaitUnit, unit, AhbCycle) |
| |
| #define FLASH_FLEXSPI_DEVICE_CONFIG(n) \ |
| { \ |
| .flexspiRootClk = MHZ(120), \ |
| .flashSize = DT_INST_PROP(n, size) / 8 / KB(1), \ |
| .CSIntervalUnit = \ |
| CS_INTERVAL_UNIT( \ |
| DT_INST_PROP(n, cs_interval_unit)), \ |
| .CSInterval = DT_INST_PROP(n, cs_interval), \ |
| .CSHoldTime = DT_INST_PROP(n, cs_hold_time), \ |
| .CSSetupTime = DT_INST_PROP(n, cs_setup_time), \ |
| .dataValidTime = DT_INST_PROP(n, data_valid_time), \ |
| .columnspace = DT_INST_PROP(n, column_space), \ |
| .enableWordAddress = DT_INST_PROP(n, word_addressable), \ |
| .AWRSeqIndex = 0, \ |
| .AWRSeqNumber = 0, \ |
| .ARDSeqIndex = READ, \ |
| .ARDSeqNumber = 1, \ |
| .AHBWriteWaitUnit = \ |
| AHB_WRITE_WAIT_UNIT( \ |
| DT_INST_PROP(n, ahb_write_wait_unit)), \ |
| .AHBWriteWaitInterval = \ |
| DT_INST_PROP(n, ahb_write_wait_interval), \ |
| } \ |
| |
| #define FLASH_FLEXSPI_NOR(n) \ |
| static struct flash_flexspi_nor_data \ |
| flash_flexspi_nor_data_##n = { \ |
| .controller = DEVICE_DT_GET(DT_INST_BUS(n)), \ |
| .config = FLASH_FLEXSPI_DEVICE_CONFIG(n), \ |
| .port = DT_INST_REG_ADDR(n), \ |
| .layout = { \ |
| .pages_count = DT_INST_PROP(n, size) / 8 \ |
| / SPI_NOR_SECTOR_SIZE, \ |
| .pages_size = SPI_NOR_SECTOR_SIZE, \ |
| }, \ |
| .flash_parameters = { \ |
| .write_block_size = NOR_WRITE_SIZE, \ |
| .erase_value = NOR_ERASE_VALUE, \ |
| }, \ |
| }; \ |
| \ |
| DEVICE_DT_INST_DEFINE(n, \ |
| flash_flexspi_nor_init, \ |
| NULL, \ |
| &flash_flexspi_nor_data_##n, \ |
| NULL, \ |
| POST_KERNEL, \ |
| CONFIG_FLASH_INIT_PRIORITY, \ |
| &flash_flexspi_nor_api); |
| |
| DT_INST_FOREACH_STATUS_OKAY(FLASH_FLEXSPI_NOR) |
