Include dependency graph for at91samd.c:

Data Structures
struct	samd_family

struct	samd_info

struct	samd_part

Macros
#define	NVMUSERROW_LOCKBIT_MASK 0x0000FFFFFFFFFFFFULL

#define	SAMD_CMDEX_KEY 0xA5UL

#define	SAMD_DSU 0x41002000 /* Device Service Unit */

#define	SAMD_DSU_CTRL_EXT 0x100 /* CTRL register, external access */

#define	SAMD_DSU_DID 0x18 /* Device ID register */

#define	SAMD_DSU_STATUSA 1 /* DSU status register */

#define	SAMD_FAMILY_C 0x02

#define	SAMD_FAMILY_D 0x00

#define	SAMD_FAMILY_L 0x01

#define	SAMD_FLASH ((uint32_t)0x00000000) /* physical Flash memory */

#define	SAMD_GET_DEVSEL(id) (id & 0xFF)

#define	SAMD_GET_FAMILY(id) (((id >> 23) & 0x1F))

#define	SAMD_GET_PROCESSOR(id) (id >> 28)

#define	SAMD_GET_SERIES(id) (((id >> 16) & 0x3F))

#define	SAMD_NUM_PROT_BLOCKS 16

#define	SAMD_NVM_CMD(n) ((SAMD_CMDEX_KEY << 8) \| (n & 0x7F))

#define	SAMD_NVM_CMD_CPRM 0x43 /* Clear Power Reduction Mode */

#define	SAMD_NVM_CMD_EAR 0x05 /* Erase Auxiliary Row */

#define	SAMD_NVM_CMD_ER 0x02 /* Erase Row */

#define	SAMD_NVM_CMD_INVALL 0x46 /* Invalidate all caches */

#define	SAMD_NVM_CMD_LR 0x40 /* Lock Region */

#define	SAMD_NVM_CMD_PBC 0x44 /* Page Buffer Clear */

#define	SAMD_NVM_CMD_SPRM 0x42 /* Set Power Reduction Mode */

#define	SAMD_NVM_CMD_SSB 0x45 /* Set Security Bit */

#define	SAMD_NVM_CMD_UR 0x41 /* Unlock Region */

#define	SAMD_NVM_CMD_WAP 0x06 /* Write Auxiliary Page */

#define	SAMD_NVM_CMD_WP 0x04 /* Write Page */

#define	SAMD_NVM_CTRLB_MANW 0x80

#define	SAMD_NVM_INTFLAG_READY 0x01

#define	SAMD_NVMCTRL 0x41004000 /* Non-volatile memory controller */

#define	SAMD_NVMCTRL_ADDR 0x1C /* NVM address register */

#define	SAMD_NVMCTRL_CTRLA 0x00 /* NVM control A register */

#define	SAMD_NVMCTRL_CTRLB 0x04 /* NVM control B register */

#define	SAMD_NVMCTRL_INTFLAG 0x14 /* NVM Interrupt Flag Status & Clear */

#define	SAMD_NVMCTRL_LOCK 0x20 /* NVM Lock section register */

#define	SAMD_NVMCTRL_PARAM 0x08 /* NVM parameters register */

#define	SAMD_NVMCTRL_STATUS 0x18 /* NVM status register */

#define	SAMD_PAC1 0x41000000 /* Peripheral Access Control 1 */

#define	SAMD_PAGE_SIZE_MAX 1024

#define	SAMD_PROCESSOR_M0 0x01

#define	SAMD_SERIES_09 0x04

#define	SAMD_SERIES_10 0x02

#define	SAMD_SERIES_11 0x03

#define	SAMD_SERIES_20 0x00

#define	SAMD_SERIES_21 0x01

#define	SAMD_SERIES_22 0x02

#define	SAMD_USER_ROW ((uint32_t)0x00804000) /* User Row of Flash */

Functions
	COMMAND_HANDLER (samd_handle_bootloader_command)

	COMMAND_HANDLER (samd_handle_chip_erase_command)

	COMMAND_HANDLER (samd_handle_eeprom_command)

	COMMAND_HANDLER (samd_handle_nvmuserrow_command)

	COMMAND_HANDLER (samd_handle_reset_deassert)

	COMMAND_HANDLER (samd_handle_set_security_command)

	FLASH_BANK_COMMAND_HANDLER (samd_flash_bank_command)

static int	read_userrow (struct target target, uint64_t userrow)

static int	samd_check_error (struct target *target)

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

static int	samd_erase_row (struct target *target, uint32_t address)
	Erases a flash-row at the given address. More...

static const struct samd_family *	samd_find_family (uint32_t id)
	Gives the family structure to specific device id. More...

static const struct samd_part *	samd_find_part (uint32_t id)
	Gives the part structure to specific device id. More...

static int	samd_get_flash_page_info (struct target target, uint32_t sizep, int *nump)

static int	samd_get_reservedmask (struct target target, uint64_t mask)
	Returns the bitmask of reserved bits in register. More...

static int	samd_issue_nvmctrl_command (struct target *target, uint16_t cmd)

static int	samd_modify_user_row (struct target *target, uint64_t value, uint8_t startb, uint8_t endb)
	Modifies the user row register to the given value. More...

static int	samd_modify_user_row_masked (struct target *target, uint64_t value_input, uint64_t value_mask)
	Modify the contents of the User Row in Flash. More...

static int	samd_probe (struct flash_bank *bank)

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

static int	samd_protect_check (struct flash_bank *bank)

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

Variables
static const struct command_registration	at91samd_command_handlers []

static const struct command_registration	at91samd_exec_command_handlers []

const struct flash_driver	at91samd_flash

static const struct samd_part	samc20_parts []

static const struct samd_part	samc21_parts []

static const struct samd_part	samd09_parts []

static const struct samd_part	samd10_parts []

static const struct samd_part	samd11_parts []

static const struct samd_part	samd20_parts []

static const struct samd_part	samd21_parts []

static const struct samd_family	samd_families []

static const struct samd_part	saml21_parts []

static const struct samd_part	saml22_parts []

Macro Definition Documentation

◆ NVMUSERROW_LOCKBIT_MASK

#define NVMUSERROW_LOCKBIT_MASK 0x0000FFFFFFFFFFFFULL

Definition at line 81 of file at91samd.c.

◆ SAMD_CMDEX_KEY

#define SAMD_CMDEX_KEY 0xA5UL

Definition at line 40 of file at91samd.c.

◆ SAMD_DSU

#define SAMD_DSU 0x41002000 /* Device Service Unit */

Definition at line 25 of file at91samd.c.

◆ SAMD_DSU_CTRL_EXT

#define SAMD_DSU_CTRL_EXT 0x100 /* CTRL register, external access */

Definition at line 30 of file at91samd.c.

◆ SAMD_DSU_DID

#define SAMD_DSU_DID 0x18 /* Device ID register */

Definition at line 29 of file at91samd.c.

◆ SAMD_DSU_STATUSA

#define SAMD_DSU_STATUSA 1 /* DSU status register */

Definition at line 28 of file at91samd.c.

◆ SAMD_FAMILY_C

#define SAMD_FAMILY_C 0x02

Definition at line 66 of file at91samd.c.

◆ SAMD_FAMILY_D

#define SAMD_FAMILY_D 0x00

Definition at line 64 of file at91samd.c.

◆ SAMD_FAMILY_L

#define SAMD_FAMILY_L 0x01

Definition at line 65 of file at91samd.c.

◆ SAMD_FLASH

#define SAMD_FLASH ((uint32_t)0x00000000) /* physical Flash memory */

Definition at line 22 of file at91samd.c.

◆ SAMD_GET_DEVSEL

#define SAMD_GET_DEVSEL ( id ) (id & 0xFF)

Definition at line 78 of file at91samd.c.

◆ SAMD_GET_FAMILY

#define SAMD_GET_FAMILY ( id ) (((id >> 23) & 0x1F))

Definition at line 76 of file at91samd.c.

◆ SAMD_GET_PROCESSOR

#define SAMD_GET_PROCESSOR ( id ) (id >> 28)

Definition at line 75 of file at91samd.c.

◆ SAMD_GET_SERIES

#define SAMD_GET_SERIES ( id ) (((id >> 16) & 0x3F))

Definition at line 77 of file at91samd.c.

◆ SAMD_NUM_PROT_BLOCKS

#define SAMD_NUM_PROT_BLOCKS 16

Definition at line 19 of file at91samd.c.

◆ SAMD_NVM_CMD

#define SAMD_NVM_CMD ( n ) ((SAMD_CMDEX_KEY << 8) | (n & 0x7F))

Definition at line 41 of file at91samd.c.

◆ SAMD_NVM_CMD_CPRM

#define SAMD_NVM_CMD_CPRM 0x43 /* Clear Power Reduction Mode */

Definition at line 51 of file at91samd.c.

◆ SAMD_NVM_CMD_EAR

#define SAMD_NVM_CMD_EAR 0x05 /* Erase Auxiliary Row */

Definition at line 46 of file at91samd.c.

◆ SAMD_NVM_CMD_ER

#define SAMD_NVM_CMD_ER 0x02 /* Erase Row */

Definition at line 44 of file at91samd.c.

◆ SAMD_NVM_CMD_INVALL

#define SAMD_NVM_CMD_INVALL 0x46 /* Invalidate all caches */

Definition at line 54 of file at91samd.c.

◆ SAMD_NVM_CMD_LR

#define SAMD_NVM_CMD_LR 0x40 /* Lock Region */

Definition at line 48 of file at91samd.c.

◆ SAMD_NVM_CMD_PBC

#define SAMD_NVM_CMD_PBC 0x44 /* Page Buffer Clear */

Definition at line 52 of file at91samd.c.

◆ SAMD_NVM_CMD_SPRM

#define SAMD_NVM_CMD_SPRM 0x42 /* Set Power Reduction Mode */

Definition at line 50 of file at91samd.c.

◆ SAMD_NVM_CMD_SSB

#define SAMD_NVM_CMD_SSB 0x45 /* Set Security Bit */

Definition at line 53 of file at91samd.c.

◆ SAMD_NVM_CMD_UR

#define SAMD_NVM_CMD_UR 0x41 /* Unlock Region */

Definition at line 49 of file at91samd.c.

◆ SAMD_NVM_CMD_WAP

#define SAMD_NVM_CMD_WAP 0x06 /* Write Auxiliary Page */

Definition at line 47 of file at91samd.c.

◆ SAMD_NVM_CMD_WP

#define SAMD_NVM_CMD_WP 0x04 /* Write Page */

Definition at line 45 of file at91samd.c.

◆ SAMD_NVM_CTRLB_MANW

#define SAMD_NVM_CTRLB_MANW 0x80

Definition at line 57 of file at91samd.c.

◆ SAMD_NVM_INTFLAG_READY

#define SAMD_NVM_INTFLAG_READY 0x01

Definition at line 60 of file at91samd.c.

◆ SAMD_NVMCTRL

#define SAMD_NVMCTRL 0x41004000 /* Non-volatile memory controller */

Definition at line 26 of file at91samd.c.

◆ SAMD_NVMCTRL_ADDR

#define SAMD_NVMCTRL_ADDR 0x1C /* NVM address register */

Definition at line 37 of file at91samd.c.

◆ SAMD_NVMCTRL_CTRLA

#define SAMD_NVMCTRL_CTRLA 0x00 /* NVM control A register */

Definition at line 32 of file at91samd.c.

◆ SAMD_NVMCTRL_CTRLB

#define SAMD_NVMCTRL_CTRLB 0x04 /* NVM control B register */

Definition at line 33 of file at91samd.c.

◆ SAMD_NVMCTRL_INTFLAG

#define SAMD_NVMCTRL_INTFLAG 0x14 /* NVM Interrupt Flag Status & Clear */

Definition at line 35 of file at91samd.c.

◆ SAMD_NVMCTRL_LOCK

#define SAMD_NVMCTRL_LOCK 0x20 /* NVM Lock section register */

Definition at line 38 of file at91samd.c.

◆ SAMD_NVMCTRL_PARAM

#define SAMD_NVMCTRL_PARAM 0x08 /* NVM parameters register */

Definition at line 34 of file at91samd.c.

◆ SAMD_NVMCTRL_STATUS

#define SAMD_NVMCTRL_STATUS 0x18 /* NVM status register */

Definition at line 36 of file at91samd.c.

◆ SAMD_PAC1

#define SAMD_PAC1 0x41000000 /* Peripheral Access Control 1 */

Definition at line 24 of file at91samd.c.

◆ SAMD_PAGE_SIZE_MAX

#define SAMD_PAGE_SIZE_MAX 1024

Definition at line 20 of file at91samd.c.

◆ SAMD_PROCESSOR_M0

#define SAMD_PROCESSOR_M0 0x01

Definition at line 63 of file at91samd.c.

◆ SAMD_SERIES_09

#define SAMD_SERIES_09 0x04

Definition at line 72 of file at91samd.c.

◆ SAMD_SERIES_10

#define SAMD_SERIES_10 0x02

Definition at line 70 of file at91samd.c.

◆ SAMD_SERIES_11

#define SAMD_SERIES_11 0x03

Definition at line 71 of file at91samd.c.

◆ SAMD_SERIES_20

#define SAMD_SERIES_20 0x00

Definition at line 67 of file at91samd.c.

◆ SAMD_SERIES_21

#define SAMD_SERIES_21 0x01

Definition at line 68 of file at91samd.c.

◆ SAMD_SERIES_22

#define SAMD_SERIES_22 0x02

Definition at line 69 of file at91samd.c.

◆ SAMD_USER_ROW

#define SAMD_USER_ROW ((uint32_t)0x00804000) /* User Row of Flash */

Definition at line 23 of file at91samd.c.

Function Documentation

◆ COMMAND_HANDLER() [1/6]

COMMAND_HANDLER ( samd_handle_bootloader_command )

Definition at line 1119 of file at91samd.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, get_current_target(), LOG_ERROR, NULL, samd_get_flash_page_info(), samd_modify_user_row(), SAMD_USER_ROW, size, target::state, TARGET_HALTED, and target_read_u16().

◆ COMMAND_HANDLER() [2/6]

COMMAND_HANDLER ( samd_handle_chip_erase_command )

Definition at line 967 of file at91samd.c.

References CMD, CMD_CTX, command_print(), ERROR_FAIL, ERROR_OK, get_current_target(), SAMD_DSU, SAMD_DSU_CTRL_EXT, SAMD_PAC1, target_write_u32(), and target_write_u8().

◆ COMMAND_HANDLER() [3/6]

COMMAND_HANDLER ( samd_handle_eeprom_command )

Definition at line 1017 of file at91samd.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, get_current_target(), LOG_ERROR, samd_modify_user_row(), SAMD_USER_ROW, size, target::state, TARGET_HALTED, and target_read_u16().

◆ COMMAND_HANDLER() [4/6]

COMMAND_HANDLER ( samd_handle_nvmuserrow_command )

Definition at line 1069 of file at91samd.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_FAIL, ERROR_OK, ERROR_TARGET_NOT_HALTED, get_current_target(), LOG_ERROR, mask, NVMUSERROW_LOCKBIT_MASK, read_userrow(), samd_get_reservedmask(), samd_modify_user_row_masked(), target::state, and TARGET_HALTED.

◆ COMMAND_HANDLER() [5/6]

COMMAND_HANDLER ( samd_handle_reset_deassert )

Definition at line 1184 of file at91samd.c.

◆ COMMAND_HANDLER() [6/6]

COMMAND_HANDLER ( samd_handle_set_security_command )

Definition at line 989 of file at91samd.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, get_current_target(), LOG_ERROR, samd_issue_nvmctrl_command(), SAMD_NVM_CMD_SSB, target::state, and TARGET_HALTED.

◆ FLASH_BANK_COMMAND_HANDLER()

FLASH_BANK_COMMAND_HANDLER ( samd_flash_bank_command )

Definition at line 942 of file at91samd.c.

References bank, ERROR_FAIL, ERROR_OK, LOG_ERROR, samd_info::probed, SAMD_FLASH, samd_info::target, and TARGET_ADDR_FMT.

◆ read_userrow()

static int read_userrow	(	struct target *	target,
		uint64_t *	userrow
	)

static

Definition at line 637 of file at91samd.c.

References buffer, ERROR_OK, SAMD_USER_ROW, target_buffer_get_u64(), and target_read_memory().

Referenced by COMMAND_HANDLER(), and samd_modify_user_row_masked().

◆ samd_check_error()

static int samd_check_error ( struct target * target )

static

Definition at line 505 of file at91samd.c.

References ERROR_FLASH_OPER_UNSUPPORTED, ERROR_FLASH_OPERATION_FAILED, ERROR_FLASH_PROTECTED, ERROR_OK, keep_alive(), LOG_ERROR, SAMD_NVM_INTFLAG_READY, SAMD_NVMCTRL, SAMD_NVMCTRL_INTFLAG, SAMD_NVMCTRL_STATUS, status, target_read_u16(), target_read_u8(), target_write_u16(), and timeval_ms().

Referenced by samd_issue_nvmctrl_command(), samd_modify_user_row_masked(), and samd_write().

◆ samd_erase()

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

static

Definition at line 798 of file at91samd.c.

References bank, ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, samd_info::probed, samd_erase_row(), samd_probe(), and TARGET_HALTED.

◆ samd_erase_row()

static int samd_erase_row	(	struct target *	target,
		uint32_t	address
	)

static

Erases a flash-row at the given address.

Parameters

target	Pointer to the target structure.
address	The address of the row.

Returns: On success ERROR_OK, on failure an errorcode.

Definition at line 590 of file at91samd.c.

References ERROR_FAIL, ERROR_OK, LOG_ERROR, samd_issue_nvmctrl_command(), SAMD_NVM_CMD_EAR, SAMD_NVM_CMD_ER, SAMD_NVMCTRL, SAMD_NVMCTRL_ADDR, SAMD_USER_ROW, and target_write_u32().

Referenced by samd_erase(), and samd_modify_user_row_masked().

◆ samd_find_family()

static const struct samd_family* samd_find_family ( uint32_t id )

static

Gives the family structure to specific device id.

Parameters

id	The id of the device.

Returns: On failure NULL, otherwise a pointer to the structure.

Definition at line 362 of file at91samd.c.

References ARRAY_SIZE, samd_family::family, NULL, samd_family::processor, samd_families, SAMD_GET_FAMILY, SAMD_GET_PROCESSOR, SAMD_GET_SERIES, and samd_family::series.

Referenced by samd_find_part(), and samd_get_reservedmask().

◆ samd_find_part()

static const struct samd_part* samd_find_part ( uint32_t id )

static

Gives the part structure to specific device id.

Parameters

id	The id of the device.

Returns: On failure NULL, otherwise a pointer to the structure.

Definition at line 383 of file at91samd.c.

References samd_family::family, NULL, samd_find_family(), and SAMD_GET_DEVSEL.

Referenced by samd_probe().

◆ samd_get_flash_page_info()

static int samd_get_flash_page_info	(	struct target *	target,
		uint32_t *	sizep,
		int *	nump
	)

static

Definition at line 415 of file at91samd.c.

References ERROR_OK, LOG_ERROR, SAMD_NVMCTRL, SAMD_NVMCTRL_PARAM, and target_read_u32().

Referenced by COMMAND_HANDLER(), samd_modify_user_row_masked(), and samd_probe().

◆ samd_get_reservedmask()

static int samd_get_reservedmask	(	struct target *	target,
		uint64_t *	mask
	)

static

Returns the bitmask of reserved bits in register.

Parameters

target	Pointer to the target structure.
mask	Bitmask, 0 -> value stays untouched.

Returns: On success ERROR_OK, on failure an errorcode.

Definition at line 617 of file at91samd.c.

References ERROR_FAIL, ERROR_OK, samd_family::family, id, LOG_ERROR, mask, SAMD_DSU, SAMD_DSU_DID, samd_find_family(), and target_read_u32().

Referenced by COMMAND_HANDLER().

◆ samd_issue_nvmctrl_command()

static int samd_issue_nvmctrl_command	(	struct target *	target,
		uint16_t	cmd
	)

static

Definition at line 564 of file at91samd.c.

References cmd, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, samd_check_error(), SAMD_NVM_CMD, SAMD_NVMCTRL, SAMD_NVMCTRL_CTRLA, target::state, TARGET_HALTED, and target_write_u32().

Referenced by COMMAND_HANDLER(), samd_erase_row(), samd_modify_user_row_masked(), samd_protect(), and samd_write().

◆ samd_modify_user_row()

static int samd_modify_user_row	(	struct target *	target,
		uint64_t	value,
		uint8_t	startb,
		uint8_t	endb
	)

static

Modifies the user row register to the given value.

Parameters

target	Pointer to the target structure.
value	The value to write.
startb	The bit-offset by which the given value is shifted.
endb	The bit-offset of the last bit in value to write.

Returns: On success ERROR_OK, on failure an errorcode.

Definition at line 737 of file at91samd.c.

References mask, and samd_modify_user_row_masked().

Referenced by COMMAND_HANDLER(), and samd_protect().

◆ samd_modify_user_row_masked()

static int samd_modify_user_row_masked	(	struct target *	target,
		uint64_t	value_input,
		uint64_t	value_mask
	)

static

Modify the contents of the User Row in Flash.

The User Row itself has a size of one page and contains a combination of "fuses" and calibration data. Bits which have a value of zero in the mask will not be changed. Up to now devices only use the first 64 bits.

Parameters

target	Pointer to the target structure.
value_input	The value to write.
value_mask	Bitmask, 0 -> value stays untouched.

Returns: On success ERROR_OK, on failure an errorcode.

Definition at line 660 of file at91samd.c.

References ERROR_FAIL, ERROR_OK, LOG_ERROR, NULL, read_userrow(), samd_check_error(), samd_erase_row(), samd_get_flash_page_info(), samd_issue_nvmctrl_command(), SAMD_NVM_CMD_WAP, SAMD_NVM_CTRLB_MANW, SAMD_NVMCTRL, SAMD_NVMCTRL_CTRLB, SAMD_PAGE_SIZE_MAX, SAMD_USER_ROW, target_buffer_set_u64(), target_read_memory(), target_read_u32(), and target_write_memory().

Referenced by COMMAND_HANDLER(), and samd_modify_user_row().

◆ samd_probe()

static int samd_probe ( struct flash_bank * bank )

static

Definition at line 437 of file at91samd.c.

References alloc_block_array(), bank, ERROR_FAIL, ERROR_OK, id, LOG_ERROR, LOG_INFO, LOG_WARNING, samd_info::num_pages, samd_info::page_size, samd_info::probed, samd_info::prot_block_size, SAMD_DSU, SAMD_DSU_DID, samd_find_part(), samd_get_flash_page_info(), SAMD_NUM_PROT_BLOCKS, samd_protect_check(), samd_info::sector_size, and target_read_u32().

Referenced by samd_erase(), and samd_write().

◆ samd_protect()

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

static

Definition at line 748 of file at91samd.c.

References bank, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, LOG_WARNING, samd_issue_nvmctrl_command(), samd_modify_user_row(), SAMD_NVM_CMD_LR, SAMD_NVM_CMD_UR, SAMD_NVMCTRL, SAMD_NVMCTRL_ADDR, samd_protect_check(), TARGET_HALTED, and target_write_u32().

◆ samd_protect_check()

static int samd_protect_check ( struct flash_bank * bank )

static

Definition at line 398 of file at91samd.c.

References bank, ERROR_OK, SAMD_NVMCTRL, SAMD_NVMCTRL_LOCK, and target_read_u16().

Referenced by samd_probe(), and samd_protect().

◆ samd_write()

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

static

Definition at line 828 of file at91samd.c.

References bank, buffer, count, ERROR_FAIL, ERROR_FLASH_BANK_NOT_PROBED, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, NULL, offset, samd_info::page_size, samd_info::probed, samd_check_error(), samd_issue_nvmctrl_command(), SAMD_NVM_CMD_PBC, SAMD_NVM_CMD_WP, SAMD_NVM_CTRLB_MANW, SAMD_NVMCTRL, SAMD_NVMCTRL_CTRLB, samd_probe(), TARGET_HALTED, target_read_u32(), and target_write_memory().

Variable Documentation

◆ at91samd_command_handlers

const struct command_registration at91samd_command_handlers[]

static

Initial value:

= {
    {
        .name = "at91samd",
        .mode = COMMAND_ANY,
        .help = "at91samd flash command group",
        .usage = "",
        .chain = at91samd_exec_command_handlers,
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 1184 of file at91samd.c.

◆ at91samd_exec_command_handlers

const struct command_registration at91samd_exec_command_handlers[]

static

Definition at line 1184 of file at91samd.c.

◆ at91samd_flash

const struct flash_driver at91samd_flash

Initial value:

= {
    .name = "at91samd",
    .commands = at91samd_command_handlers,
    .flash_bank_command = samd_flash_bank_command,
    .erase = samd_erase,
    .protect = samd_protect,
    .write = samd_write,
    .read = default_flash_read,
    .probe = samd_probe,
    .auto_probe = samd_probe,
    .erase_check = default_flash_blank_check,
    .protect_check = samd_protect_check,
    .free_driver_priv = default_flash_free_driver_priv,
}

Definition at line 1184 of file at91samd.c.

◆ samc20_parts

const struct samd_part samc20_parts[]

static

Initial value:

= {
    { 0x00, "SAMC20J18A", 256, 32 },
    { 0x01, "SAMC20J17A", 128, 16 },
    { 0x02, "SAMC20J16A", 64, 8 },
    { 0x03, "SAMC20J15A", 32, 4 },
    { 0x05, "SAMC20G18A", 256, 32 },
    { 0x06, "SAMC20G17A", 128, 16 },
    { 0x07, "SAMC20G16A", 64, 8 },
    { 0x08, "SAMC20G15A", 32, 4 },
    { 0x0A, "SAMC20E18A", 256, 32 },
    { 0x0B, "SAMC20E17A", 128, 16 },
    { 0x0C, "SAMC20E16A", 64, 8 },
    { 0x0D, "SAMC20E15A", 32, 4 },
    { 0x20, "SAMC20N18A", 256, 32 },
    { 0x21, "SAMC20N17A", 128, 16 },
}