stmqspi.c File Reference

Include dependency graph for stmqspi.c:

Go to the source code of this file.

Data Structures
struct	sector_info
struct	stmqspi_flash_bank

Macros
#define	OCTOSPI_CCR_MASS_ERASE    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_ADDR & OCTOSPI_NO_ALTB & OCTOSPI_NO_DATA))
#define	OCTOSPI_CCR_PAGE_PROG    ((OCTOSPI_MODE_CCR & QSPI_NO_ALTB))
#define	OCTOSPI_CCR_READ   OCTOSPI_MODE_CCR
#define	OCTOSPI_CCR_READ_ID
#define	OCTOSPI_CCR_READ_MID   OCTOSPI_CCR_READ_ID
#define	OCTOSPI_CCR_READ_SFDP(len)
#define	OCTOSPI_CCR_READ_STATUS
#define	OCTOSPI_CCR_SECTOR_ERASE    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_ALTB & OCTOSPI_NO_DATA))
#define	OCTOSPI_CCR_WRITE_ENABLE    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_ADDR & OCTOSPI_NO_ALTB & OCTOSPI_NO_DATA))
#define	OCTOSPI_MODE   (stmqspi_info->saved_cr & 0xCFFFFFFF)
#define	OCTOSPI_MODE_CCR
#define	OPI_CMD(cmd)   ((OPI_MODE ? ((((uint16_t)(cmd)) << 8) | (~(cmd) & 0xFFU)) : (cmd)))
#define	OPI_DUMMY    ((stmqspi_info->saved_ccr & OCTOSPI_DQSEN) ? 6U : 4U)
#define	OPI_MODE   ((stmqspi_info->saved_ccr & OCTOSPI_ISIZE_MASK) != 0)
#define	QSPI_CCR_MASS_ERASE
#define	QSPI_CCR_PAGE_PROG
#define	QSPI_CCR_READ
#define	QSPI_CCR_READ_ID
#define	QSPI_CCR_READ_MID
#define	QSPI_CCR_READ_SFDP
#define	QSPI_CCR_READ_STATUS
#define	QSPI_CCR_SECTOR_ERASE
#define	QSPI_CCR_WRITE_ENABLE
#define	QSPI_MODE
#define	SPI_ADSIZE   (((stmqspi_info->saved_ccr >> SPI_ADSIZE_POS) & 0x3) + 1)
#define	SPI_CMD_TIMEOUT   (100)
#define	SPI_MASS_ERASE_TIMEOUT   (400000)
#define	SPI_MAX_TIMEOUT   (2000)
#define	SPI_PROBE_TIMEOUT   (100)

Functions
	COMMAND_HANDLER (stmqspi_handle_cmd)
	COMMAND_HANDLER (stmqspi_handle_mass_erase_command)
	COMMAND_HANDLER (stmqspi_handle_set)
static int	find_sfdp_dummy (struct flash_bank *bank, int len)
	FLASH_BANK_COMMAND_HANDLER (stmqspi_flash_bank_command)
static int	get_stmqspi_info (struct flash_bank *bank, struct command_invocation *cmd)
static uint32_t	h_to_le_32 (uint32_t val)
static int	log2u (uint32_t word)
static int	octospi_cmd (struct flash_bank *bank, uint32_t mode, uint32_t ccr, uint32_t ir)
static int	poll_busy (struct flash_bank *bank, int timeout)
static int	qspi_erase_sector (struct flash_bank *bank, unsigned int sector)
static int	qspi_read_write_block (struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count, bool write)
static int	qspi_verify (struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
static int	qspi_write_enable (struct flash_bank *bank)
static int	read_flash_id (struct flash_bank *bank, uint32_t *id1, uint32_t *id2)
static int	read_sfdp_block (struct flash_bank *bank, uint32_t addr, uint32_t words, uint32_t *buffer)
static int	read_status_reg (struct flash_bank *bank, uint16_t *status)
static int	set_mm_mode (struct flash_bank *bank)
static int	stmqspi_abort (struct flash_bank *bank)
static int	stmqspi_auto_probe (struct flash_bank *bank)
static int	stmqspi_blank_check (struct flash_bank *bank)
static int	stmqspi_erase (struct flash_bank *bank, unsigned int first, unsigned int last)
static int	stmqspi_probe (struct flash_bank *bank)
static int	stmqspi_protect (struct flash_bank *bank, int set, unsigned int first, unsigned int last)
static int	stmqspi_protect_check (struct flash_bank *bank)
static int	stmqspi_read (struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
static int	stmqspi_verify (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
static int	stmqspi_write (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
static int	wait_till_ready (struct flash_bank *bank, int timeout)

Variables
static const struct command_registration	stmqspi_command_handlers []
static const struct command_registration	stmqspi_exec_command_handlers []
struct flash_driver	stmqspi_flash

Macro Definition Documentation

OCTOSPI_CCR_MASS_ERASE

#define OCTOSPI_CCR_MASS_ERASE    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_ADDR & OCTOSPI_NO_ALTB & OCTOSPI_NO_DATA))

Definition at line 131 of file stmqspi.c.

OCTOSPI_CCR_PAGE_PROG

#define OCTOSPI_CCR_PAGE_PROG    ((OCTOSPI_MODE_CCR & QSPI_NO_ALTB))

Definition at line 134 of file stmqspi.c.

OCTOSPI_CCR_READ

#define OCTOSPI_CCR_READ   OCTOSPI_MODE_CCR

Definition at line 97 of file stmqspi.c.

OCTOSPI_CCR_READ_ID

#define OCTOSPI_CCR_READ_ID

Value:

    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_DDTR & \
    (OPI_MODE ? ~0U : OCTOSPI_NO_ADDR) & OCTOSPI_NO_ALTB))

Definition at line 114 of file stmqspi.c.

OCTOSPI_CCR_READ_MID

#define OCTOSPI_CCR_READ_MID   OCTOSPI_CCR_READ_ID

Definition at line 118 of file stmqspi.c.

OCTOSPI_CCR_READ_SFDP

#define OCTOSPI_CCR_READ_SFDP

(

len

)

Value:

    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_DDTR & ~OCTOSPI_ADDR4 & OCTOSPI_NO_ALTB) | \
    (((len) < 4) ? OCTOSPI_ADDR3 : OCTOSPI_ADDR4))

Definition at line 121 of file stmqspi.c.

OCTOSPI_CCR_READ_STATUS

#define OCTOSPI_CCR_READ_STATUS

Value:

    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_DDTR & \
    (OPI_MODE ? ~0U : OCTOSPI_NO_ADDR) & OCTOSPI_NO_ALTB))

Definition at line 110 of file stmqspi.c.

OCTOSPI_CCR_SECTOR_ERASE

#define OCTOSPI_CCR_SECTOR_ERASE    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_ALTB & OCTOSPI_NO_DATA))

Definition at line 128 of file stmqspi.c.

OCTOSPI_CCR_WRITE_ENABLE

#define OCTOSPI_CCR_WRITE_ENABLE    ((OCTOSPI_MODE_CCR & OCTOSPI_NO_ADDR & OCTOSPI_NO_ALTB & OCTOSPI_NO_DATA))

Definition at line 125 of file stmqspi.c.

OCTOSPI_MODE

#define OCTOSPI_MODE   (stmqspi_info->saved_cr & 0xCFFFFFFF)

Definition at line 89 of file stmqspi.c.

OCTOSPI_MODE_CCR

#define OCTOSPI_MODE_CCR

Value:

    (stmqspi_info->saved_ccr & \
    (0xF0000000U | OCTOSPI_8LINE_MODE | OCTOSPI_ALTB_MODE | OCTOSPI_ADDR4))

Definition at line 93 of file stmqspi.c.

OPI_CMD

#define OPI_CMD

(

cmd

)

((OPI_MODE ? ((((uint16_t)(cmd)) << 8) | (~(cmd) & 0xFFU)) : (cmd)))

Definition at line 139 of file stmqspi.c.

OPI_DUMMY

#define OPI_DUMMY    ((stmqspi_info->saved_ccr & OCTOSPI_DQSEN) ? 6U : 4U)

Definition at line 107 of file stmqspi.c.

OPI_MODE

#define OPI_MODE   ((stmqspi_info->saved_ccr & OCTOSPI_ISIZE_MASK) != 0)

Definition at line 91 of file stmqspi.c.

QSPI_CCR_MASS_ERASE

#define QSPI_CCR_MASS_ERASE

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ADDR & QSPI_NO_ALTB & QSPI_NO_DATA) | \
    (QSPI_WRITE_MODE | stmqspi_info->dev.chip_erase_cmd))

Definition at line 80 of file stmqspi.c.

QSPI_CCR_PAGE_PROG

#define QSPI_CCR_PAGE_PROG

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ALTB) | \
    (QSPI_WRITE_MODE | stmqspi_info->dev.pprog_cmd))

Definition at line 84 of file stmqspi.c.

QSPI_CCR_READ

#define QSPI_CCR_READ

Value:

    (QSPI_READ_MODE | (stmqspi_info->saved_ccr & \
    (0xF0000000U | QSPI_DCYC_MASK | QSPI_4LINE_MODE | QSPI_ALTB_MODE | QSPI_ADDR4 | 0xFF)))

Definition at line 51 of file stmqspi.c.

QSPI_CCR_READ_ID

#define QSPI_CCR_READ_ID

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ADDR & QSPI_NO_ALTB) | \
    (QSPI_READ_MODE | SPIFLASH_READ_ID))

Definition at line 59 of file stmqspi.c.

QSPI_CCR_READ_MID

#define QSPI_CCR_READ_MID

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ADDR & QSPI_NO_ALTB) | \
    (QSPI_READ_MODE | SPIFLASH_READ_MID))

Definition at line 63 of file stmqspi.c.

QSPI_CCR_READ_SFDP

#define QSPI_CCR_READ_SFDP

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & ~QSPI_ADDR4 & QSPI_NO_ALTB) | \
    (QSPI_READ_MODE | QSPI_ADDR3 | SPIFLASH_READ_SFDP))

Definition at line 68 of file stmqspi.c.

QSPI_CCR_READ_STATUS

#define QSPI_CCR_READ_STATUS

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ADDR & QSPI_NO_ALTB) | \
    (QSPI_READ_MODE | SPIFLASH_READ_STATUS))

Definition at line 55 of file stmqspi.c.

QSPI_CCR_SECTOR_ERASE

#define QSPI_CCR_SECTOR_ERASE

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ALTB & QSPI_NO_DATA) | \
    (QSPI_WRITE_MODE | stmqspi_info->dev.erase_cmd))

Definition at line 76 of file stmqspi.c.

QSPI_CCR_WRITE_ENABLE

#define QSPI_CCR_WRITE_ENABLE

Value:

    ((QSPI_MODE & ~QSPI_DCYC_MASK & QSPI_NO_ADDR & QSPI_NO_ALTB & QSPI_NO_DATA) | \
    (QSPI_WRITE_MODE | SPIFLASH_WRITE_ENABLE))

Definition at line 72 of file stmqspi.c.

QSPI_MODE

#define QSPI_MODE

Value:

    (stmqspi_info->saved_ccr & \
    (0xF0000000U | QSPI_DCYC_MASK | QSPI_4LINE_MODE | QSPI_ALTB_MODE | QSPI_ADDR4))

Definition at line 46 of file stmqspi.c.

SPI_ADSIZE

#define SPI_ADSIZE   (((stmqspi_info->saved_ccr >> SPI_ADSIZE_POS) & 0x3) + 1)

Definition at line 137 of file stmqspi.c.

SPI_CMD_TIMEOUT

#define SPI_CMD_TIMEOUT   (100)

Definition at line 151 of file stmqspi.c.

SPI_MASS_ERASE_TIMEOUT

#define SPI_MASS_ERASE_TIMEOUT   (400000)

Definition at line 154 of file stmqspi.c.

SPI_MAX_TIMEOUT

#define SPI_MAX_TIMEOUT   (2000)

Definition at line 153 of file stmqspi.c.

SPI_PROBE_TIMEOUT

#define SPI_PROBE_TIMEOUT   (100)

Definition at line 152 of file stmqspi.c.

Function Documentation

COMMAND_HANDLER() [1/3]

COMMAND_HANDLER

(

stmqspi_handle_cmd

)

Definition at line 769 of file stmqspi.c.

References addr, bank, BIT, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), count, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_DEBUG, LOG_ERROR, NULL, OCTOSPI_ADDR4, octospi_cmd(), OCTOSPI_MODE_CCR, OCTOSPI_NO_ADDR, OCTOSPI_NO_ALTB, OCTOSPI_NO_DATA, OCTOSPI_NO_DDTR, OCTOSPI_READ_MODE, OCTOSPI_WRITE_MODE, output, poll_busy(), QSPI_ADDR4, QSPI_CCR, QSPI_DCYC_MASK, QSPI_MODE, QSPI_NO_ADDR, QSPI_NO_ALTB, QSPI_NO_DATA, QSPI_READ_MODE, QSPI_WRITE_MODE, stmqspi_flash_bank::saved_cr, set_mm_mode(), SPI_ADSIZE_POS, SPI_AR, SPI_DLR, SPI_DR, SPI_DUAL_FLASH, SPI_PROBE_TIMEOUT, target::state, stmqspi_abort(), TARGET_HALTED, target_read_u8(), target_write_u32(), and target_write_u8().

COMMAND_HANDLER() [2/3]

COMMAND_HANDLER

(

stmqspi_handle_mass_erase_command

)

Definition at line 485 of file stmqspi.c.

References bank, BIT, CALL_COMMAND_HANDLER, flash_device::chip_erase_cmd, CMD, CMD_ARGC, command_print(), stmqspi_flash_bank::dev, duration_elapsed(), duration_kbps(), duration_measure(), duration_start(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_FLASH_BANK_NOT_PROBED, ERROR_FLASH_OPER_UNSUPPORTED, ERROR_FLASH_OPERATION_FAILED, ERROR_FLASH_PROTECTED, ERROR_OK, ERROR_TARGET_NOT_HALTED, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_DEBUG, LOG_ERROR, NULL, OCTOSPI_CCR_MASS_ERASE, octospi_cmd(), OCTOSPI_WRITE_MODE, poll_busy(), stmqspi_flash_bank::probed, QSPI_CCR, QSPI_CCR_MASS_ERASE, qspi_write_enable(), read_status_reg(), stmqspi_flash_bank::saved_cr, set_mm_mode(), SPI_CMD_TIMEOUT, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_MASS_ERASE_TIMEOUT, SPIFLASH_BSY_BIT, SPIFLASH_WE_BIT, target::state, status, TARGET_HALTED, target_write_u32(), and wait_till_ready().

COMMAND_HANDLER() [3/3]

COMMAND_HANDLER

(

stmqspi_handle_set

)

Definition at line 607 of file stmqspi.c.

References bank, BIT, CALL_COMMAND_HANDLER, flash_device::chip_erase_cmd, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), stmqspi_flash_bank::dev, stmqspi_flash_bank::devname, flash_device::erase_cmd, ERROR_COMMAND_SYNTAX_ERROR, ERROR_FAIL, ERROR_OK, stmqspi_flash_bank::io_base, flash_sector::is_erased, flash_sector::is_protected, log2u(), LOG_DEBUG, LOG_ERROR, LOG_INFO, flash_device::name, NULL, flash_sector::offset, flash_device::pagesize, flash_device::pprog_cmd, stmqspi_flash_bank::probed, flash_device::qread_cmd, flash_device::read_cmd, stmqspi_flash_bank::saved_cr, flash_device::sectorsize, stmqspi_flash_bank::sfdp_dummy1, stmqspi_flash_bank::sfdp_dummy2, flash_sector::size, flash_device::size_in_bytes, SPI_DCR, SPI_DUAL_FLASH, SPI_FSIZE_LEN, SPI_FSIZE_POS, and target_read_u32().

find_sfdp_dummy()

static int find_sfdp_dummy ( struct flash_bank *  bank, int  len  )

static

Definition at line 1718 of file stmqspi.c.

References bank, BIT, count, ERROR_OK, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_DEBUG, OCTOSPI_CCR_READ_SFDP, octospi_cmd(), OCTOSPI_READ_MODE, poll_busy(), QSPI_CCR, QSPI_CCR_READ_SFDP, stmqspi_flash_bank::saved_cr, stmqspi_flash_bank::sfdp_dummy1, stmqspi_flash_bank::sfdp_dummy2, SPI_ABORT, SPI_AR, SPI_CR, SPI_DLR, SPI_DR, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_PROBE_TIMEOUT, SPIFLASH_READ_SFDP, stmqspi_abort(), target_read_u8(), and target_write_u32().

Referenced by read_sfdp_block().

FLASH_BANK_COMMAND_HANDLER()

FLASH_BANK_COMMAND_HANDLER

(

stmqspi_flash_bank_command

)

Definition at line 205 of file stmqspi.c.

References bank, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, ERROR_COMMAND_SYNTAX_ERROR, ERROR_FAIL, ERROR_OK, stmqspi_flash_bank::io_base, LOG_DEBUG, LOG_ERROR, stmqspi_flash_bank::probed, stmqspi_flash_bank::sfdp_dummy1, and stmqspi_flash_bank::sfdp_dummy2.

get_stmqspi_info()

static int get_stmqspi_info ( struct flash_bank *  bank, struct command_invocation *  cmd  )

static

Definition at line 2382 of file stmqspi.c.

References bank, BIT, flash_device::chip_erase_cmd, cmd, command_print_sameline(), stmqspi_flash_bank::dev, flash_device::device_id, flash_device::erase_cmd, ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, flash_device::name, flash_device::pagesize, flash_device::pprog_cmd, stmqspi_flash_bank::probed, flash_device::qread_cmd, flash_device::read_cmd, stmqspi_flash_bank::saved_cr, flash_device::sectorsize, SPI_DUAL_FLASH, and SPI_FSEL_FLASH.

h_to_le_32()

static uint32_t h_to_le_32 ( uint32_t  val )

inlinestatic

Definition at line 142 of file stmqspi.c.

References h_u32_to_le().

Referenced by qspi_read_write_block(), qspi_verify(), and stmqspi_blank_check().

log2u()

static int log2u ( uint32_t  word )

static

Definition at line 596 of file stmqspi.c.

References BIT.

Referenced by COMMAND_HANDLER().

octospi_cmd()

static int octospi_cmd ( struct flash_bank *  bank, uint32_t  mode, uint32_t  ccr, uint32_t  ir  )

inlinestatic

Definition at line 176 of file stmqspi.c.

References bank, ERROR_OK, stmqspi_flash_bank::io_base, mode, OCTOSPI_CCR, OCTOSPI_CR, OCTOSPI_DCYC_MASK, OCTOSPI_DCYC_POS, OCTOSPI_IR, OCTOSPI_MODE, OCTOSPI_READ_MODE, OCTOSPI_TCR, OPI_CMD, OPI_DUMMY, OPI_MODE, stmqspi_flash_bank::saved_tcr, and target_write_u32().

Referenced by COMMAND_HANDLER(), find_sfdp_dummy(), qspi_erase_sector(), qspi_write_enable(), read_flash_id(), read_sfdp_block(), and read_status_reg().

poll_busy()

static int poll_busy ( struct flash_bank *  bank, int  timeout  )

static

Definition at line 234 of file stmqspi.c.

References alive_sleep(), bank, BIT, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, stmqspi_flash_bank::io_base, LOG_DEBUG, LOG_ERROR, SPI_BUSY, SPI_FCR, SPI_SR, SPI_TCF, target_read_u32(), target_write_u32(), and timeval_ms().

Referenced by COMMAND_HANDLER(), find_sfdp_dummy(), qspi_erase_sector(), qspi_write_enable(), read_flash_id(), read_sfdp_block(), read_status_reg(), set_mm_mode(), stmqspi_blank_check(), stmqspi_probe(), stmqspi_read(), stmqspi_verify(), and stmqspi_write().

qspi_erase_sector()

static int qspi_erase_sector ( struct flash_bank *  bank, unsigned int  sector  )

static

Definition at line 924 of file stmqspi.c.

References bank, BIT, stmqspi_flash_bank::dev, flash_device::erase_cmd, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_DEBUG, LOG_ERROR, OCTOSPI_CCR_SECTOR_ERASE, octospi_cmd(), OCTOSPI_WRITE_MODE, poll_busy(), QSPI_CCR, QSPI_CCR_SECTOR_ERASE, qspi_write_enable(), read_status_reg(), stmqspi_flash_bank::saved_cr, SPI_AR, SPI_CMD_TIMEOUT, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_MAX_TIMEOUT, SPIFLASH_BSY_BIT, SPIFLASH_WE_BIT, status, target_write_u32(), and wait_till_ready().

Referenced by stmqspi_erase().

qspi_read_write_block()

static int qspi_read_write_block ( struct flash_bank *  bank, uint8_t *  buffer, uint32_t  offset, uint32_t  count, bool  write  )

static

Definition at line 1366 of file stmqspi.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARRAY_SIZE, bank, BIT, buf_get_u32(), buf_set_u32(), buffer, armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, count, destroy_reg_param(), stmqspi_flash_bank::dev, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, h_to_le_32(), init_reg_param(), stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_DEBUG, LOG_ERROR, NULL, OCTOSPI_CCR_PAGE_PROG, OCTOSPI_CCR_READ, OCTOSPI_CCR_READ_STATUS, OCTOSPI_CCR_WRITE_ENABLE, OCTOSPI_DCYC_MASK, OCTOSPI_DCYC_POS, OCTOSPI_MODE, OCTOSPI_READ_MODE, OCTOSPI_WRITE_MODE, offset, OPI_CMD, OPI_DUMMY, OPI_MODE, flash_device::pagesize, PARAM_IN_OUT, PARAM_OUT, flash_device::pprog_cmd, QSPI_CCR_PAGE_PROG, QSPI_CCR_READ, QSPI_CCR_READ_STATUS, QSPI_CCR_WRITE_ENABLE, stmqspi_flash_bank::saved_cr, stmqspi_flash_bank::saved_ir, stmqspi_flash_bank::saved_tcr, flash_device::sectorsize, set_mm_mode(), flash_device::size_in_bytes, SPI_DUAL_FLASH, SPIFLASH_DEF_PAGESIZE, SPIFLASH_READ_STATUS, SPIFLASH_WRITE_ENABLE, target_alloc_working_area_try(), target_free_working_area(), target_get_working_area_avail(), target_run_flash_async_algorithm(), target_run_read_async_algorithm(), and target_write_buffer().

Referenced by stmqspi_read(), and stmqspi_write().

qspi_verify()

static int qspi_verify ( struct flash_bank *  bank, uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 1243 of file stmqspi.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARRAY_SIZE, bank, BIT, buf_get_u32(), buf_set_u32(), buffer, armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, count, destroy_reg_param(), stmqspi_flash_bank::dev, ERROR_FAIL, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, h_to_le_32(), image_calculate_checksum(), init_reg_param(), stmqspi_flash_bank::io_base, IS_OCTOSPI, keep_alive(), LOG_DEBUG, LOG_ERROR, NULL, OCTOSPI_CCR_READ, OCTOSPI_MODE, OCTOSPI_READ_MODE, offset, flash_device::pagesize, PARAM_IN_OUT, PARAM_OUT, QSPI_CCR_READ, stmqspi_flash_bank::saved_cr, stmqspi_flash_bank::saved_ir, stmqspi_flash_bank::saved_tcr, flash_device::sectorsize, set_mm_mode(), SPI_DUAL_FLASH, SPIFLASH_DEF_PAGESIZE, TARGET_ADDR_FMT, target_alloc_working_area_try(), target_free_working_area(), target_run_algorithm(), and target_write_buffer().

Referenced by stmqspi_verify().

qspi_write_enable()

static int qspi_write_enable ( struct flash_bank *  bank )

static

Definition at line 419 of file stmqspi.c.

References bank, BIT, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_ERROR, OCTOSPI_CCR_WRITE_ENABLE, octospi_cmd(), OCTOSPI_WRITE_MODE, OPI_MODE, poll_busy(), QSPI_CCR, QSPI_CCR_WRITE_ENABLE, read_status_reg(), stmqspi_flash_bank::saved_cr, SPI_AR, SPI_CMD_TIMEOUT, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_PROBE_TIMEOUT, SPIFLASH_BSY_BIT, SPIFLASH_WE_BIT, SPIFLASH_WRITE_ENABLE, status, stmqspi_abort(), and target_write_u32().

Referenced by COMMAND_HANDLER(), and qspi_erase_sector().

read_flash_id()

static int read_flash_id ( struct flash_bank *  bank, uint32_t *  id1, uint32_t *  id2  )

static

Definition at line 1936 of file stmqspi.c.

References bank, BIT, count, dummy, ERROR_FAIL, ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, ERROR_TARGET_NOT_HALTED, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_ERROR, LOG_INFO, OCTOSPI_CCR_READ_ID, OCTOSPI_CCR_READ_MID, octospi_cmd(), OCTOSPI_READ_MODE, OPI_MODE, poll_busy(), QSPI_CCR, QSPI_CCR_READ_ID, QSPI_CCR_READ_MID, stmqspi_flash_bank::saved_cr, SPI_AR, SPI_DLR, SPI_DR, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_PROBE_TIMEOUT, SPI_SR, SPIFLASH_READ_ID, SPIFLASH_READ_MID, target::state, stmqspi_abort(), TARGET_HALTED, target_read_u32(), target_read_u8(), target_write_u32(), type, and wait_till_ready().

Referenced by stmqspi_probe().

read_sfdp_block()

static int read_sfdp_block ( struct flash_bank *  bank, uint32_t  addr, uint32_t  words, uint32_t *  buffer  )

static

Definition at line 1809 of file stmqspi.c.

References addr, bank, BIT, buffer, count, dummy, ERROR_OK, find_sfdp_dummy(), stmqspi_flash_bank::io_base, IS_OCTOSPI, le_to_h_u32(), LOG_DEBUG, OCTOSPI_CCR_READ_SFDP, octospi_cmd(), OCTOSPI_READ_MODE, poll_busy(), QSPI_CCR, QSPI_CCR_READ_SFDP, stmqspi_flash_bank::saved_ccr, stmqspi_flash_bank::saved_cr, stmqspi_flash_bank::sfdp_dummy1, stmqspi_flash_bank::sfdp_dummy2, SPI_ABORT, SPI_AR, SPI_CR, SPI_DLR, SPI_DMODE_POS, SPI_DR, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_PROBE_TIMEOUT, SPIFLASH_READ_SFDP, target_read_u32(), target_read_u8(), and target_write_u32().

Referenced by spi_sfdp(), and stmqspi_probe().

read_status_reg()

static int read_status_reg ( struct flash_bank *  bank, uint16_t *  status  )

static

Definition at line 323 of file stmqspi.c.

References bank, BIT, count, dummy, ERROR_OK, stmqspi_flash_bank::io_base, IS_OCTOSPI, LOG_DEBUG, OCTOSPI_CCR_READ_STATUS, octospi_cmd(), OCTOSPI_READ_MODE, OPI_MODE, poll_busy(), QSPI_CCR, QSPI_CCR_READ_STATUS, stmqspi_flash_bank::saved_cr, SPI_AR, SPI_DLR, SPI_DR, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_PROBE_TIMEOUT, SPI_SR, SPIFLASH_READ_STATUS, status, stmqspi_abort(), target_read_u32(), target_read_u8(), and target_write_u32().

Referenced by COMMAND_HANDLER(), qspi_erase_sector(), qspi_write_enable(), and wait_till_ready().

set_mm_mode()

static int set_mm_mode ( struct flash_bank *  bank )

static

Definition at line 277 of file stmqspi.c.

References bank, ERROR_OK, stmqspi_flash_bank::io_base, IS_OCTOSPI, OCTOSPI_CCR, OCTOSPI_CR, OCTOSPI_IR, OCTOSPI_MM_MODE, OCTOSPI_MODE, OCTOSPI_TCR, poll_busy(), QSPI_CCR, QSPI_CR, stmqspi_flash_bank::saved_ccr, stmqspi_flash_bank::saved_cr, stmqspi_flash_bank::saved_ir, stmqspi_flash_bank::saved_tcr, SPI_AR, SPI_PROBE_TIMEOUT, stmqspi_abort(), and target_write_u32().

Referenced by COMMAND_HANDLER(), qspi_read_write_block(), qspi_verify(), stmqspi_blank_check(), stmqspi_erase(), and stmqspi_probe().

stmqspi_abort()

static int stmqspi_abort ( struct flash_bank *  bank )

static

Definition at line 261 of file stmqspi.c.

References bank, BIT, ERROR_OK, stmqspi_flash_bank::io_base, SPI_ABORT, SPI_CR, target_read_u32(), and target_write_u32().

Referenced by COMMAND_HANDLER(), find_sfdp_dummy(), qspi_write_enable(), read_flash_id(), read_status_reg(), set_mm_mode(), stmqspi_blank_check(), stmqspi_probe(), stmqspi_read(), stmqspi_verify(), and stmqspi_write().

stmqspi_auto_probe()

static int stmqspi_auto_probe ( struct flash_bank *  bank )

static

Definition at line 2366 of file stmqspi.c.

References bank, ERROR_OK, stmqspi_flash_bank::probed, and stmqspi_probe().

stmqspi_blank_check()

static int stmqspi_blank_check ( struct flash_bank *  bank )

static

Definition at line 1063 of file stmqspi.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARRAY_SIZE, bank, buf_set_u32(), armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, count, destroy_reg_param(), duration_elapsed(), duration_kbps(), duration_measure(), duration_start(), ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, ERROR_TARGET_NOT_HALTED, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, h_to_le_32(), init_reg_param(), stmqspi_flash_bank::io_base, IS_OCTOSPI, keep_alive(), LOG_DEBUG, LOG_ERROR, LOG_INFO, NULL, OCTOSPI_CCR_READ, OCTOSPI_MODE, OCTOSPI_READ_MODE, sector_info::offset, PARAM_OUT, poll_busy(), stmqspi_flash_bank::probed, QSPI_CCR_READ, sector_info::result, stmqspi_flash_bank::saved_ir, stmqspi_flash_bank::saved_tcr, set_mm_mode(), sector_info::size, SPI_PROBE_TIMEOUT, target::state, stmqspi_abort(), target_alloc_working_area_try(), target_free_working_area(), target_get_working_area_avail(), TARGET_HALTED, target_read_buffer(), target_run_algorithm(), and target_write_buffer().

stmqspi_erase()

static int stmqspi_erase ( struct flash_bank *  bank, unsigned int  first, unsigned int  last  )

static

Definition at line 995 of file stmqspi.c.

References alive_sleep(), bank, stmqspi_flash_bank::dev, flash_device::erase_cmd, ERROR_FLASH_BANK_NOT_PROBED, ERROR_FLASH_OPER_UNSUPPORTED, ERROR_FLASH_PROTECTED, ERROR_FLASH_SECTOR_INVALID, ERROR_OK, ERROR_TARGET_NOT_HALTED, keep_alive(), LOG_DEBUG, LOG_ERROR, stmqspi_flash_bank::probed, qspi_erase_sector(), set_mm_mode(), target::state, and TARGET_HALTED.

stmqspi_probe()

static int stmqspi_probe ( struct flash_bank *  bank )

static

Definition at line 2067 of file stmqspi.c.

References bank, BIT, flash_device::chip_erase_cmd, stmqspi_flash_bank::dev, flash_device::device_id, flash_device::erase_cmd, ERROR_FAIL, ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, flash_devices, stmqspi_flash_bank::io_base, flash_sector::is_erased, IS_OCTOSPI, flash_sector::is_protected, LOG_DEBUG, LOG_ERROR, LOG_INFO, LOG_WARNING, flash_device::name, NULL, stmqspi_flash_bank::octo, OCTO_MAGIC_ID, OCTOSPI_DCR1, OCTOSPI_DDTR, OCTOSPI_IR, OCTOSPI_MAGIC, OCTOSPI_MTYP_MASK, OCTOSPI_MTYP_POS, OCTOSPI_TCR, flash_sector::offset, flash_device::pagesize, poll_busy(), flash_device::pprog_cmd, stmqspi_flash_bank::probed, flash_device::qread_cmd, QSPI_ABR, QSPI_DDRM, flash_device::read_cmd, read_flash_id(), read_sfdp_block(), stmqspi_flash_bank::saved_ccr, stmqspi_flash_bank::saved_cr, stmqspi_flash_bank::saved_ir, stmqspi_flash_bank::saved_tcr, flash_device::sectorsize, set_mm_mode(), stmqspi_flash_bank::sfdp_dummy1, stmqspi_flash_bank::sfdp_dummy2, flash_sector::size, flash_device::size_in_bytes, SPI_ADSIZE, SPI_CCR, SPI_CR, SPI_DCR, SPI_DUAL_FLASH, SPI_FSEL_FLASH, SPI_FSIZE_LEN, SPI_FSIZE_POS, SPI_PROBE_TIMEOUT, spi_sfdp(), stmqspi_abort(), target_read_u32(), and target_write_u32().

Referenced by stmqspi_auto_probe().

stmqspi_protect()

static int stmqspi_protect ( struct flash_bank *  bank, int  set, unsigned int  first, unsigned int  last  )

static

Definition at line 1048 of file stmqspi.c.

References bank, ERROR_OK, and LOG_WARNING.

stmqspi_protect_check()

static int stmqspi_protect_check ( struct flash_bank *  bank )

static

Definition at line 2376 of file stmqspi.c.

References ERROR_OK.

stmqspi_read()

static int stmqspi_read ( struct flash_bank *  bank, uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 1569 of file stmqspi.c.

References bank, buffer, count, ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_DEBUG, LOG_ERROR, LOG_WARNING, offset, poll_busy(), stmqspi_flash_bank::probed, qspi_read_write_block(), SPI_PROBE_TIMEOUT, target::state, stmqspi_abort(), and TARGET_HALTED.

stmqspi_verify()

static int stmqspi_verify ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 1668 of file stmqspi.c.

References bank, BIT, buffer, count, ERROR_FLASH_BANK_NOT_PROBED, ERROR_FLASH_DST_BREAKS_ALIGNMENT, ERROR_OK, ERROR_TARGET_NOT_HALTED, IS_OCTOSPI, LOG_DEBUG, LOG_ERROR, LOG_WARNING, OCTOSPI_DDTR, offset, poll_busy(), stmqspi_flash_bank::probed, qspi_verify(), stmqspi_flash_bank::saved_ccr, stmqspi_flash_bank::saved_cr, SPI_DUAL_FLASH, SPI_PROBE_TIMEOUT, target::state, stmqspi_abort(), and TARGET_HALTED.

stmqspi_write()

static int stmqspi_write ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 1607 of file stmqspi.c.

References bank, BIT, buffer, count, ERROR_FLASH_BANK_NOT_PROBED, ERROR_FLASH_DST_BREAKS_ALIGNMENT, ERROR_FLASH_PROTECTED, ERROR_OK, ERROR_TARGET_NOT_HALTED, IS_OCTOSPI, LOG_DEBUG, LOG_ERROR, LOG_WARNING, OCTOSPI_DDTR, offset, poll_busy(), stmqspi_flash_bank::probed, qspi_read_write_block(), stmqspi_flash_bank::saved_ccr, stmqspi_flash_bank::saved_cr, SPI_DUAL_FLASH, SPI_PROBE_TIMEOUT, target::state, stmqspi_abort(), and TARGET_HALTED.

wait_till_ready()

static int wait_till_ready ( struct flash_bank *  bank, int  timeout  )

static

Definition at line 396 of file stmqspi.c.

References alive_sleep(), bank, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, LOG_ERROR, read_status_reg(), SPIFLASH_BSY_BIT, status, and timeval_ms().

Referenced by COMMAND_HANDLER(), qspi_erase_sector(), and read_flash_id().

Variable Documentation

stmqspi_command_handlers

const struct command_registration stmqspi_command_handlers[]

static

Initial value:

= {
    {
        .name = "stmqspi",
        .mode = COMMAND_ANY,
        .help = "stmqspi flash command group",
        .usage = "",
        .chain = stmqspi_exec_command_handlers,
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 2382 of file stmqspi.c.

stmqspi_exec_command_handlers

const struct command_registration stmqspi_exec_command_handlers[]

static

Initial value:

= {
    {
        .name = "mass_erase",
        .handler = stmqspi_handle_mass_erase_command,
        .mode = COMMAND_EXEC,
        .usage = "bank_id",
        .help = "Mass erase entire flash device.",
    },
    {
        .name = "set",
        .handler = stmqspi_handle_set,
        .mode = COMMAND_EXEC,
        .usage = "bank_id name chip_size page_size read_cmd qread_cmd pprg_cmd "
            "[ mass_erase_cmd ] [ sector_size sector_erase_cmd ]",
        .help = "Set params of single flash chip",
    },
    {
        .name = "cmd",
        .handler = stmqspi_handle_cmd,
        .mode = COMMAND_EXEC,
        .usage = "bank_id num_resp cmd_byte ...",
        .help = "Send low-level command cmd_byte and following bytes or read num_resp.",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 2382 of file stmqspi.c.

stmqspi_flash

struct flash_driver stmqspi_flash

Initial value:

= {
    .name = "stmqspi",
    .commands = stmqspi_command_handlers,
    .flash_bank_command = stmqspi_flash_bank_command,
    .erase = stmqspi_erase,
    .protect = stmqspi_protect,
    .write = stmqspi_write,
    .read = stmqspi_read,
    .verify = stmqspi_verify,
    .probe = stmqspi_probe,
    .auto_probe = stmqspi_auto_probe,
    .erase_check = stmqspi_blank_check,
    .protect_check = stmqspi_protect_check,
    .info = get_stmqspi_info,
    .free_driver_priv = default_flash_free_driver_priv,
}

Definition at line 2382 of file stmqspi.c.