stm32f1x.c File Reference

Include dependency graph for stm32f1x.c:

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Data Structures
struct	stm32x_flash_bank
struct	stm32x_options
struct	stm32x_property_addr

Macros
#define	FLASH_BSY   (1 << 0)
#define	FLASH_EOP   (1 << 5)
#define	FLASH_ERASE_TIMEOUT   100
#define	FLASH_LOCK   (1 << 7)
#define	FLASH_MER   (1 << 2)
#define	FLASH_OBL_LAUNCH   (1 << 13) /* except stm32f1x series */
#define	FLASH_OPTER   (1 << 5)
#define	FLASH_OPTPG   (1 << 4)
#define	FLASH_OPTWRE   (1 << 9)
#define	FLASH_PER   (1 << 1)
#define	FLASH_PG   (1 << 0)
#define	FLASH_PGERR   (1 << 2)
#define	FLASH_REG_BASE_B0   0x40022000
#define	FLASH_REG_BASE_B1   0x40022040
#define	FLASH_STRT   (1 << 6)
#define	FLASH_WRITE_TIMEOUT   10
#define	FLASH_WRPRTERR   (1 << 4)
#define	KEY1   0x45670123
#define	KEY2   0xCDEF89AB
#define	OPT_BFB2   5 /* dual flash bank only */
#define	OPT_ERROR   0
#define	OPT_RDRSTSTDBY   4
#define	OPT_RDRSTSTOP   3
#define	OPT_RDWDGSW   2
#define	OPT_READOUT   1
#define	STM32_FLASH_ACR   0x00
#define	STM32_FLASH_ACR_B0   0x40022000
#define	STM32_FLASH_AR   0x14
#define	STM32_FLASH_AR_B0   0x40022014
#define	STM32_FLASH_CR   0x10
#define	STM32_FLASH_CR_B0   0x40022010
#define	STM32_FLASH_KEYR   0x04
#define	STM32_FLASH_KEYR_B0   0x40022004
#define	STM32_FLASH_OBR   0x1C
#define	STM32_FLASH_OBR_B0   0x4002201C
#define	STM32_FLASH_OPTKEYR   0x08
#define	STM32_FLASH_OPTKEYR_B0   0x40022008
#define	STM32_FLASH_SR   0x0C
#define	STM32_FLASH_SR_B0   0x4002200C
#define	STM32_FLASH_WRPR   0x20
#define	STM32_FLASH_WRPR_B0   0x40022020
#define	STM32_OB_DATA0   0x1FFFF804
#define	STM32_OB_DATA1   0x1FFFF806
#define	STM32_OB_RDP   0x1FFFF800
#define	STM32_OB_USER   0x1FFFF802
#define	STM32_OB_WRP0   0x1FFFF808
#define	STM32_OB_WRP1   0x1FFFF80A
#define	STM32_OB_WRP2   0x1FFFF80C
#define	STM32_OB_WRP3   0x1FFFF80E

Functions
	COMMAND_HANDLER (stm32x_handle_lock_command)
	COMMAND_HANDLER (stm32x_handle_mass_erase_command)
	COMMAND_HANDLER (stm32x_handle_options_load_command)
	COMMAND_HANDLER (stm32x_handle_options_read_command)
	COMMAND_HANDLER (stm32x_handle_options_write_command)
	COMMAND_HANDLER (stm32x_handle_unlock_command)
	FLASH_BANK_COMMAND_HANDLER (stm32x_flash_bank_command)
static const char *	get_stm32f0_revision (uint16_t rev_id)
static int	get_stm32x_info (struct flash_bank *bank, struct command_invocation *cmd)
static int	stm32x_auto_probe (struct flash_bank *bank)
static int	stm32x_check_operation_supported (struct flash_bank *bank)
static int	stm32x_erase (struct flash_bank *bank, unsigned int first, unsigned int last)
static int	stm32x_erase_options (struct flash_bank *bank)
static int	stm32x_get_device_id (struct flash_bank *bank, uint32_t *device_id)
static int	stm32x_get_flash_reg (struct flash_bank *bank, uint32_t reg)
static int	stm32x_get_flash_size (struct flash_bank *bank, uint16_t *flash_size_in_kb)
static int	stm32x_get_flash_status (struct flash_bank *bank, uint32_t *status)
static int	stm32x_get_property_addr (struct target *target, struct stm32x_property_addr *addr)
static int	stm32x_mass_erase (struct flash_bank *bank)
static int	stm32x_probe (struct flash_bank *bank)
static int	stm32x_protect (struct flash_bank *bank, int set, unsigned int first, unsigned int last)
static int	stm32x_protect_check (struct flash_bank *bank)
static int	stm32x_read_options (struct flash_bank *bank)
static int	stm32x_wait_status_busy (struct flash_bank *bank, int timeout)
static int	stm32x_write (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
static int	stm32x_write_block (struct flash_bank *bank, const uint8_t *buffer, uint32_t address, uint32_t hwords_count)
	Writes a block to flash either using target algorithm or use fallback, host controlled halfword-by-halfword access. More...
static int	stm32x_write_block_async (struct flash_bank *bank, const uint8_t *buffer, uint32_t address, uint32_t hwords_count)
static int	stm32x_write_block_riscv (struct flash_bank *bank, const uint8_t *buffer, uint32_t address, uint32_t hwords_count)
static int	stm32x_write_options (struct flash_bank *bank)

Variables
static const struct command_registration	stm32f1x_command_handlers []
static const struct command_registration	stm32f1x_exec_command_handlers []
const struct flash_driver	stm32f1x_flash

Macro Definition Documentation

FLASH_BSY

#define FLASH_BSY   (1 << 0)

Definition at line 76 of file stm32f1x.c.

FLASH_EOP

#define FLASH_EOP   (1 << 5)

Definition at line 79 of file stm32f1x.c.

FLASH_ERASE_TIMEOUT

#define FLASH_ERASE_TIMEOUT   100

Definition at line 98 of file stm32f1x.c.

FLASH_LOCK

#define FLASH_LOCK   (1 << 7)

Definition at line 70 of file stm32f1x.c.

FLASH_MER

#define FLASH_MER   (1 << 2)

Definition at line 66 of file stm32f1x.c.

FLASH_OBL_LAUNCH

#define FLASH_OBL_LAUNCH   (1 << 13) /* except stm32f1x series */

Definition at line 72 of file stm32f1x.c.

FLASH_OPTER

#define FLASH_OPTER   (1 << 5)

Definition at line 68 of file stm32f1x.c.

FLASH_OPTPG

#define FLASH_OPTPG   (1 << 4)

Definition at line 67 of file stm32f1x.c.

FLASH_OPTWRE

#define FLASH_OPTWRE   (1 << 9)

Definition at line 71 of file stm32f1x.c.

FLASH_PER

#define FLASH_PER   (1 << 1)

Definition at line 65 of file stm32f1x.c.

FLASH_PG

#define FLASH_PG   (1 << 0)

Definition at line 64 of file stm32f1x.c.

FLASH_PGERR

#define FLASH_PGERR   (1 << 2)

Definition at line 77 of file stm32f1x.c.

FLASH_REG_BASE_B0

#define FLASH_REG_BASE_B0   0x40022000

Definition at line 27 of file stm32f1x.c.

FLASH_REG_BASE_B1

#define FLASH_REG_BASE_B1   0x40022040

Definition at line 28 of file stm32f1x.c.

FLASH_STRT

#define FLASH_STRT   (1 << 6)

Definition at line 69 of file stm32f1x.c.

FLASH_WRITE_TIMEOUT

#define FLASH_WRITE_TIMEOUT   10

Definition at line 97 of file stm32f1x.c.

FLASH_WRPRTERR

#define FLASH_WRPRTERR   (1 << 4)

Definition at line 78 of file stm32f1x.c.

KEY1

#define KEY1   0x45670123

Definition at line 92 of file stm32f1x.c.

KEY2

#define KEY2   0xCDEF89AB

Definition at line 93 of file stm32f1x.c.

OPT_BFB2

#define OPT_BFB2   5 /* dual flash bank only */

Definition at line 88 of file stm32f1x.c.

OPT_ERROR

#define OPT_ERROR   0

Definition at line 83 of file stm32f1x.c.

OPT_RDRSTSTDBY

#define OPT_RDRSTSTDBY   4

Definition at line 87 of file stm32f1x.c.

OPT_RDRSTSTOP

#define OPT_RDRSTSTOP   3

Definition at line 86 of file stm32f1x.c.

OPT_RDWDGSW

#define OPT_RDWDGSW   2

Definition at line 85 of file stm32f1x.c.

OPT_READOUT

#define OPT_READOUT   1

Definition at line 84 of file stm32f1x.c.

STM32_FLASH_ACR

#define STM32_FLASH_ACR   0x00

Definition at line 30 of file stm32f1x.c.

STM32_FLASH_ACR_B0

#define STM32_FLASH_ACR_B0   0x40022000

Definition at line 42 of file stm32f1x.c.

STM32_FLASH_AR

#define STM32_FLASH_AR   0x14

Definition at line 35 of file stm32f1x.c.

STM32_FLASH_AR_B0

#define STM32_FLASH_AR_B0   0x40022014

Definition at line 47 of file stm32f1x.c.

STM32_FLASH_CR

#define STM32_FLASH_CR   0x10

Definition at line 34 of file stm32f1x.c.

STM32_FLASH_CR_B0

#define STM32_FLASH_CR_B0   0x40022010

Definition at line 46 of file stm32f1x.c.

STM32_FLASH_KEYR

#define STM32_FLASH_KEYR   0x04

Definition at line 31 of file stm32f1x.c.

STM32_FLASH_KEYR_B0

#define STM32_FLASH_KEYR_B0   0x40022004

Definition at line 43 of file stm32f1x.c.

STM32_FLASH_OBR

#define STM32_FLASH_OBR   0x1C

Definition at line 36 of file stm32f1x.c.

STM32_FLASH_OBR_B0

#define STM32_FLASH_OBR_B0   0x4002201C

Definition at line 48 of file stm32f1x.c.

STM32_FLASH_OPTKEYR

#define STM32_FLASH_OPTKEYR   0x08

Definition at line 32 of file stm32f1x.c.

STM32_FLASH_OPTKEYR_B0

#define STM32_FLASH_OPTKEYR_B0   0x40022008

Definition at line 44 of file stm32f1x.c.

STM32_FLASH_SR

#define STM32_FLASH_SR   0x0C

Definition at line 33 of file stm32f1x.c.

STM32_FLASH_SR_B0

#define STM32_FLASH_SR_B0   0x4002200C

Definition at line 45 of file stm32f1x.c.

STM32_FLASH_WRPR

#define STM32_FLASH_WRPR   0x20

Definition at line 37 of file stm32f1x.c.

STM32_FLASH_WRPR_B0

#define STM32_FLASH_WRPR_B0   0x40022020

Definition at line 49 of file stm32f1x.c.

STM32_OB_DATA0

#define STM32_OB_DATA0   0x1FFFF804

Definition at line 55 of file stm32f1x.c.

STM32_OB_DATA1

#define STM32_OB_DATA1   0x1FFFF806

Definition at line 56 of file stm32f1x.c.

STM32_OB_RDP

#define STM32_OB_RDP   0x1FFFF800

Definition at line 53 of file stm32f1x.c.

STM32_OB_USER

#define STM32_OB_USER   0x1FFFF802

Definition at line 54 of file stm32f1x.c.

STM32_OB_WRP0

#define STM32_OB_WRP0   0x1FFFF808

Definition at line 57 of file stm32f1x.c.

STM32_OB_WRP1

#define STM32_OB_WRP1   0x1FFFF80A

Definition at line 58 of file stm32f1x.c.

STM32_OB_WRP2

#define STM32_OB_WRP2   0x1FFFF80C

Definition at line 59 of file stm32f1x.c.

STM32_OB_WRP3

#define STM32_OB_WRP3   0x1FFFF80E

Definition at line 60 of file stm32f1x.c.

Function Documentation

COMMAND_HANDLER() [1/6]

COMMAND_HANDLER

(

stm32x_handle_lock_command

)

Definition at line 1322 of file stm32f1x.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, NULL, stm32x_flash_bank::option_bytes, stm32x_options::rdp, target::state, stm32x_check_operation_supported(), stm32x_erase_options(), stm32x_write_options(), and TARGET_HALTED.

COMMAND_HANDLER() [2/6]

COMMAND_HANDLER

(

stm32x_handle_mass_erase_command

)

Definition at line 1650 of file stm32f1x.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and stm32x_mass_erase().

COMMAND_HANDLER() [3/6]

COMMAND_HANDLER

(

stm32x_handle_options_load_command

)

Definition at line 1566 of file stm32f1x.c.

References bank, CALL_COMMAND_HANDLER, stm32x_flash_bank::can_load_options, CMD_ARGC, ERROR_COMMAND_SYNTAX_ERROR, ERROR_FAIL, ERROR_OK, ERROR_TARGET_NOT_HALTED, FLASH_LOCK, FLASH_OBL_LAUNCH, KEY1, KEY2, LOG_ERROR, target::state, STM32_FLASH_CR, STM32_FLASH_KEYR, stm32x_check_operation_supported(), stm32x_get_flash_reg(), TARGET_HALTED, and target_write_u32().

COMMAND_HANDLER() [4/6]

COMMAND_HANDLER

(

stm32x_handle_options_read_command

)

Definition at line 1406 of file stm32f1x.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, stm32x_flash_bank::has_dual_banks, LOG_ERROR, NULL, OPT_BFB2, OPT_ERROR, OPT_RDRSTSTDBY, OPT_RDRSTSTOP, OPT_RDWDGSW, OPT_READOUT, stm32x_flash_bank::option_offset, target::state, STM32_FLASH_OBR_B0, STM32_FLASH_WRPR_B0, stm32x_check_operation_supported(), TARGET_HALTED, target_read_u32(), and stm32x_flash_bank::user_data_offset.

COMMAND_HANDLER() [5/6]

COMMAND_HANDLER

(

stm32x_handle_options_write_command

)

Definition at line 1472 of file stm32f1x.c.

References bank, CALL_COMMAND_HANDLER, stm32x_flash_bank::can_load_options, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), stm32x_options::data, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, stm32x_flash_bank::has_dual_banks, LOG_ERROR, NULL, stm32x_flash_bank::option_bytes, target::state, stm32x_check_operation_supported(), stm32x_erase_options(), stm32x_read_options(), stm32x_write_options(), TARGET_HALTED, and stm32x_options::user.

COMMAND_HANDLER() [6/6]

COMMAND_HANDLER

(

stm32x_handle_unlock_command

)

Definition at line 1366 of file stm32f1x.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, NULL, target::state, stm32x_check_operation_supported(), stm32x_erase_options(), stm32x_write_options(), and TARGET_HALTED.

FLASH_BANK_COMMAND_HANDLER()

FLASH_BANK_COMMAND_HANDLER

(

stm32x_flash_bank_command

)

Definition at line 128 of file stm32f1x.c.

References bank, stm32x_flash_bank::can_load_options, CMD_ARGC, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, FLASH_REG_BASE_B0, stm32x_flash_bank::has_dual_banks, stm32x_flash_bank::probed, stm32x_flash_bank::register_base, and stm32x_flash_bank::user_bank_size.

get_stm32f0_revision()

static const char* get_stm32f0_revision ( uint16_t  rev_id )

static

Definition at line 1067 of file stm32f1x.c.

References NULL.

Referenced by get_stm32x_info().

get_stm32x_info()

static int get_stm32x_info ( struct flash_bank *  bank, struct command_invocation *  cmd  )

static

Definition at line 1082 of file stm32f1x.c.

References bank, cmd, command_print_sameline(), ERROR_FAIL, ERROR_OK, get_stm32f0_revision(), NULL, and stm32x_get_device_id().

stm32x_auto_probe()

static int stm32x_auto_probe ( struct flash_bank *  bank )

static

Definition at line 1052 of file stm32f1x.c.

References bank, ERROR_OK, stm32x_flash_bank::probed, and stm32x_probe().

stm32x_check_operation_supported()

static int stm32x_check_operation_supported ( struct flash_bank *  bank )

static

Definition at line 204 of file stm32f1x.c.

References bank, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, FLASH_REG_BASE_B0, LOG_ERROR, and stm32x_flash_bank::register_base.

Referenced by COMMAND_HANDLER(), stm32x_protect(), and stm32x_protect_check().

stm32x_erase()

static int stm32x_erase ( struct flash_bank *  bank, unsigned int  first, unsigned int  last  )

static

Definition at line 366 of file stm32f1x.c.

References bank, ERROR_OK, ERROR_TARGET_NOT_HALTED, FLASH_ERASE_TIMEOUT, FLASH_LOCK, FLASH_PER, FLASH_STRT, KEY1, KEY2, LOG_ERROR, STM32_FLASH_AR, STM32_FLASH_CR, STM32_FLASH_KEYR, stm32x_get_flash_reg(), stm32x_mass_erase(), stm32x_wait_status_busy(), TARGET_HALTED, and target_write_u32().

stm32x_erase_options()

static int stm32x_erase_options ( struct flash_bank *  bank )

static

Definition at line 242 of file stm32f1x.c.

References bank, stm32x_flash_bank::default_rdp, ERROR_OK, FLASH_ERASE_TIMEOUT, FLASH_LOCK, FLASH_OPTER, FLASH_OPTWRE, FLASH_STRT, KEY1, KEY2, stm32x_flash_bank::option_bytes, stm32x_options::rdp, STM32_FLASH_CR_B0, STM32_FLASH_KEYR_B0, STM32_FLASH_OPTKEYR_B0, stm32x_read_options(), stm32x_wait_status_busy(), and target_write_u32().

Referenced by COMMAND_HANDLER(), and stm32x_protect().

stm32x_get_device_id()

static int stm32x_get_device_id ( struct flash_bank *  bank, uint32_t *  device_id  )

static

Definition at line 781 of file stm32f1x.c.

References addr, bank, stm32x_property_addr::device_id, ERROR_OK, stm32x_get_property_addr(), and target_read_u32().

Referenced by get_stm32x_info(), and stm32x_probe().

stm32x_get_flash_reg()

static int stm32x_get_flash_reg ( struct flash_bank *  bank, uint32_t  reg  )

inlinestatic

Definition at line 150 of file stm32f1x.c.

References bank, and stm32x_flash_bank::register_base.

Referenced by COMMAND_HANDLER(), stm32x_erase(), stm32x_get_flash_status(), stm32x_mass_erase(), stm32x_wait_status_busy(), stm32x_write(), and stm32x_write_block_riscv().

stm32x_get_flash_size()

static int stm32x_get_flash_size ( struct flash_bank *  bank, uint16_t *  flash_size_in_kb  )

static

Definition at line 793 of file stm32f1x.c.

References addr, bank, ERROR_OK, stm32x_get_property_addr(), and target_read_u16().

Referenced by stm32x_probe().

stm32x_get_flash_status()

static int stm32x_get_flash_status ( struct flash_bank *  bank, uint32_t *  status  )

inlinestatic

Definition at line 156 of file stm32f1x.c.

References bank, status, STM32_FLASH_SR, stm32x_get_flash_reg(), and target_read_u32().

Referenced by stm32x_wait_status_busy().

stm32x_get_property_addr()

static int stm32x_get_property_addr ( struct target *  target, struct stm32x_property_addr *  addr  )

static

Definition at line 739 of file stm32f1x.c.

References addr, CORTEX_M0_PARTNO, CORTEX_M23_PARTNO, CORTEX_M3_PARTNO, CORTEX_M4_PARTNO, cortex_m_get_partno_safe(), CORTEX_M_PARTNO_INVALID, ERROR_FAIL, ERROR_OK, ERROR_TARGET_NOT_EXAMINED, LOG_ERROR, target_address_bits(), target_type_name(), and target_was_examined().

Referenced by stm32x_get_device_id(), and stm32x_get_flash_size().

stm32x_mass_erase()

static int stm32x_mass_erase ( struct flash_bank *  bank )

static

Definition at line 1613 of file stm32f1x.c.

References bank, ERROR_OK, ERROR_TARGET_NOT_HALTED, FLASH_ERASE_TIMEOUT, FLASH_LOCK, FLASH_MER, FLASH_STRT, KEY1, KEY2, LOG_ERROR, target::state, STM32_FLASH_CR, STM32_FLASH_KEYR, stm32x_get_flash_reg(), stm32x_wait_status_busy(), TARGET_HALTED, and target_write_u32().

Referenced by COMMAND_HANDLER(), and stm32x_erase().

stm32x_probe()

static int stm32x_probe ( struct flash_bank *  bank )

static

Definition at line 805 of file stm32f1x.c.

References alloc_block_array(), bank, stm32x_flash_bank::can_load_options, stm32x_flash_bank::default_rdp, ERROR_FAIL, ERROR_OK, FLASH_REG_BASE_B0, FLASH_REG_BASE_B1, stm32x_flash_bank::has_dual_banks, LOG_INFO, LOG_WARNING, NULL, stm32x_flash_bank::option_offset, stm32x_flash_bank::ppage_size, stm32x_flash_bank::probed, stm32x_flash_bank::register_base, stm32x_get_device_id(), stm32x_get_flash_size(), stm32x_flash_bank::user_bank_size, and stm32x_flash_bank::user_data_offset.

Referenced by stm32x_auto_probe().

stm32x_protect()

static int stm32x_protect ( struct flash_bank *  bank, int  set, unsigned int  first, unsigned int  last  )

static

Definition at line 414 of file stm32f1x.c.

References bank, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, stm32x_flash_bank::option_bytes, stm32x_options::protection, target::state, stm32x_check_operation_supported(), stm32x_erase_options(), stm32x_write_options(), and TARGET_HALTED.

stm32x_protect_check()

static int stm32x_protect_check ( struct flash_bank *  bank )

static

Definition at line 344 of file stm32f1x.c.

References bank, ERROR_OK, STM32_FLASH_WRPR_B0, stm32x_check_operation_supported(), and target_read_u32().

stm32x_read_options()

static int stm32x_read_options ( struct flash_bank *  bank )

static

Definition at line 218 of file stm32f1x.c.

References bank, stm32x_options::data, stm32x_flash_bank::default_rdp, ERROR_OK, OPT_READOUT, stm32x_flash_bank::option_bytes, stm32x_flash_bank::option_offset, stm32x_options::protection, stm32x_options::rdp, STM32_FLASH_OBR_B0, STM32_FLASH_WRPR_B0, target_read_u32(), stm32x_options::user, and stm32x_flash_bank::user_data_offset.

Referenced by COMMAND_HANDLER(), and stm32x_erase_options().

stm32x_wait_status_busy()

static int stm32x_wait_status_busy ( struct flash_bank *  bank, int  timeout  )

static

Definition at line 162 of file stm32f1x.c.

References alive_sleep(), bank, ERROR_FLASH_BUSY, ERROR_FLASH_OPERATION_FAILED, ERROR_FLASH_PROTECTED, ERROR_OK, FLASH_BSY, FLASH_PGERR, FLASH_WRPRTERR, LOG_DEBUG, LOG_ERROR, status, STM32_FLASH_SR, stm32x_get_flash_reg(), stm32x_get_flash_status(), and target_write_u32().

Referenced by stm32x_erase(), stm32x_erase_options(), stm32x_mass_erase(), stm32x_write_block(), stm32x_write_block_async(), and stm32x_write_block_riscv().

stm32x_write()

static int stm32x_write ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 692 of file stm32f1x.c.

References bank, buffer, count, ERROR_OK, ERROR_TARGET_NOT_HALTED, FLASH_LOCK, FLASH_PG, KEY1, KEY2, LOG_ERROR, offset, STM32_FLASH_CR, STM32_FLASH_KEYR, stm32x_get_flash_reg(), stm32x_write_block(), TARGET_HALTED, and target_write_u32().

stm32x_write_block()

static int stm32x_write_block ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  address, uint32_t  hwords_count  )

static

Writes a block to flash either using target algorithm or use fallback, host controlled halfword-by-halfword access.

Flash controller must be unlocked before this call.

Definition at line 650 of file stm32f1x.c.

References bank, buffer, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, is_arm(), LOG_WARNING, stm32x_wait_status_busy(), stm32x_write_block_async(), stm32x_write_block_riscv(), target_to_arm(), and target_write_memory().

Referenced by stm32x_write(), and stm32x_write_options().

stm32x_write_block_async()

static int stm32x_write_block_async ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  address, uint32_t  hwords_count  )

static

Definition at line 445 of file stm32f1x.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARRAY_SIZE, bank, buf_get_u32(), buf_set_u32(), buffer, armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, destroy_reg_param(), ERROR_FLASH_OPERATION_FAILED, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, init_reg_param(), LOG_ERROR, LOG_WARNING, MAX, MIN, NULL, PARAM_IN_OUT, PARAM_OUT, stm32x_flash_bank::register_base, source, stm32x_wait_status_busy(), target_alloc_working_area(), target_free_working_area(), target_get_working_area_avail(), target_run_flash_async_algorithm(), target_write_buffer(), and reg_param::value.

Referenced by stm32x_write_block().

stm32x_write_block_riscv()

static int stm32x_write_block_riscv ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  address, uint32_t  hwords_count  )

static

Definition at line 543 of file stm32f1x.c.

References working_area::address, ARRAY_SIZE, bank, buf_get_u32(), buf_set_u32(), buffer, destroy_reg_param(), ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, init_reg_param(), LOG_ERROR, LOG_WARNING, MAX, MIN, NULL, PARAM_IN_OUT, PARAM_OUT, source, STM32_FLASH_SR, stm32x_get_flash_reg(), stm32x_wait_status_busy(), target_alloc_working_area(), target_free_working_area(), target_get_working_area_avail(), TARGET_PRIxADDR, target_run_algorithm(), target_write_buffer(), and reg_param::value.

Referenced by stm32x_write_block().

stm32x_write_options()

static int stm32x_write_options ( struct flash_bank *  bank )

static

Definition at line 289 of file stm32f1x.c.

References bank, stm32x_options::data, ERROR_OK, FLASH_LOCK, FLASH_OPTPG, FLASH_OPTWRE, KEY1, KEY2, NULL, stm32x_flash_bank::option_bytes, stm32x_options::protection, stm32x_options::rdp, STM32_FLASH_CR_B0, STM32_FLASH_KEYR_B0, STM32_FLASH_OPTKEYR_B0, STM32_OB_RDP, stm32x_write_block(), target_buffer_set_u16(), target_write_u32(), and stm32x_options::user.

Referenced by COMMAND_HANDLER(), and stm32x_protect().

Variable Documentation

stm32f1x_command_handlers

const struct command_registration stm32f1x_command_handlers[]

static

Initial value:

= {
    {
        .name = "stm32f1x",
        .mode = COMMAND_ANY,
        .help = "stm32f1x flash command group",
        .usage = "",
        .chain = stm32f1x_exec_command_handlers,
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 1650 of file stm32f1x.c.

stm32f1x_exec_command_handlers

const struct command_registration stm32f1x_exec_command_handlers[]

static

Definition at line 1650 of file stm32f1x.c.

stm32f1x_flash

const struct flash_driver stm32f1x_flash

Initial value:

= {
    .name = "stm32f1x",
    .commands = stm32f1x_command_handlers,
    .flash_bank_command = stm32x_flash_bank_command,
    .erase = stm32x_erase,
    .protect = stm32x_protect,
    .write = stm32x_write,
    .read = default_flash_read,
    .probe = stm32x_probe,
    .auto_probe = stm32x_auto_probe,
    .erase_check = default_flash_blank_check,
    .protect_check = stm32x_protect_check,
    .info = get_stm32x_info,
    .free_driver_priv = default_flash_free_driver_priv,
}

Definition at line 1650 of file stm32f1x.c.