niietcm4.c File Reference

Include dependency graph for niietcm4.c:

Go to the source code of this file.

Data Structures
struct	niietcm4_flash_bank
	Private data for flash driver. More...

Macros
#define	BF_LOCK_ADDR   0x40
#define	BOOTFLASH_BASE   0xA001C000
#define	CHIPID_ADDR   0xF0000000
#define	FCIC   (BOOTFLASH_BASE + 0x14)
#define	FCIC_CLR_OPCMLT   (1<<0) /* Clear completion flag in register FCIS */
#define	FCIC_CLR_OPERROR   (1<<1) /* Clear error flag in register FCIS */
#define	FCIM   (BOOTFLASH_BASE + 0x10)
#define	FCIS   (BOOTFLASH_BASE + 0x0C)
#define	FCIS_OP_CMLT   (1<<0) /* Completion flag operation */
#define	FCIS_OP_ERROR   (1<<1) /* Flag operation error */
#define	FLASH_DRIVER_VER   0x00010000
#define	FMA   (BOOTFLASH_BASE + 0x00)
#define	FMC   (BOOTFLASH_BASE + 0x08)
#define	FMC_FULL_ERASE   (1<<2) /* Erase full flash */
#define	FMC_MAGIC_KEY   (MAGIC_KEY<<16) /* Operation run command */
#define	FMC_PAGE_ERASE   (1<<1) /* Page erase the main region */
#define	FMC_PAGEERASE_IFB   (1<<5) /* Erase page of info region */
#define	FMC_WRITE   (1<<0) /* Writing in main region */
#define	FMC_WRITE_IFB   (1<<4) /* Writing in info region */
#define	FMD1   (BOOTFLASH_BASE + 0x04)
#define	FMD2   (BOOTFLASH_BASE + 0x50)
#define	FMD3   (BOOTFLASH_BASE + 0x54)
#define	FMD4   (BOOTFLASH_BASE + 0x58)
#define	INFO_MEM_TYPE   1
#define	INFOWORD0_ADDR   0x00
#define	INFOWORD0_BOOTFROM_IFB   (1<<0) /* Boot from bootflash or bootflash_ifb */
#define	INFOWORD0_BOOTFROM_IFB_POS   0
#define	INFOWORD0_EN_GPIO   (1<<1) /* Remap to 0x00000000 extmem or bootflash */
#define	INFOWORD0_EN_GPIO_POS   1
#define	INFOWORD0_EXTMEM_SEL_POS   3 /* Choose altfunc of gpio to work with extmem */
#define	INFOWORD1_ADDR   0x01
#define	INFOWORD1_PINNUM_POS   0 /* Choose gpio pin number to control extmem boot */
#define	INFOWORD1_PORTNUM_POS   4 /* Choose gpio port to control extmem boot */
#define	INFOWORD2_ADDR   0x02
#define	INFOWORD2_LOCK_IFB_BF   (1<<0) /* Protect info part of bootflash */
#define	INFOWORD3_ADDR   0x03
#define	INFOWORD3_LOCK_IFB_UF   (1<<0) /* Protect info part of userflash */
#define	K1921VK01T_ID   0x00000000
#define	MAGIC_KEY   0xA442
#define	MAIN_MEM_TYPE   0
#define	SERVICE_MODE_ERASE_ADDR   0x80030164
#define	UF_LOCK_ADDR   0x80
#define	UFCIC   (USERFLASH_BASE + 0x14)
#define	UFCIC_CLR_OPCMLT   (1<<0) /* Clear completion flag in register FCIS */
#define	UFCIC_CLR_OPERROR   (1<<1) /* Clear error flag in register FCIS */
#define	UFCIM   (USERFLASH_BASE + 0x10)
#define	UFCIS   (USERFLASH_BASE + 0x0C)
#define	UFCIS_OP_CMLT   (1<<0) /* Completion flag operation */
#define	UFCIS_OP_ERROR   (1<<1) /* Flag operation error */
#define	UFMA   (USERFLASH_BASE + 0x00)
#define	UFMC   (USERFLASH_BASE + 0x08)
#define	UFMC_FULL_ERASE   (1<<2) /* Erase full flash */
#define	UFMC_MAGIC_KEY   (MAGIC_KEY<<16) /* Operation run command */
#define	UFMC_PAGE_ERASE   (1<<1) /* Paged erase the main region */
#define	UFMC_PAGEERASE_IFB   (1<<5) /* Erase page of info region */
#define	UFMC_READ   (1<<3) /* Reading from main region */
#define	UFMC_READ_IFB   (1<<6) /* Reading from info region */
#define	UFMC_WRITE   (1<<0) /* Writing in main region */
#define	UFMC_WRITE_IFB   (1<<4) /* Writing in info region */
#define	UFMD   (USERFLASH_BASE + 0x04)
#define	USERFLASH_BASE   0xA0022000
#define	USERFLASH_PAGE_SIZE   256
#define	USERFLASH_PAGE_TOTALNUM   256

Functions
	COMMAND_HANDLER (niietcm4_handle_bflash_info_remap_command)
	COMMAND_HANDLER (niietcm4_handle_driver_info_command)
	COMMAND_HANDLER (niietcm4_handle_extmem_boot_command)
	COMMAND_HANDLER (niietcm4_handle_extmem_cfg_command)
	COMMAND_HANDLER (niietcm4_handle_service_mode_erase_command)
	COMMAND_HANDLER (niietcm4_handle_uflash_erase_command)
	COMMAND_HANDLER (niietcm4_handle_uflash_full_erase_command)
	COMMAND_HANDLER (niietcm4_handle_uflash_protect_check_command)
	COMMAND_HANDLER (niietcm4_handle_uflash_protect_command)
	COMMAND_HANDLER (niietcm4_handle_uflash_read_byte_command)
	COMMAND_HANDLER (niietcm4_handle_uflash_write_byte_command)
	FLASH_BANK_COMMAND_HANDLER (niietcm4_flash_bank_command)
static int	get_niietcm4_info (struct flash_bank *bank, struct command_invocation *cmd)
static int	niietcm4_auto_probe (struct flash_bank *bank)
static int	niietcm4_dump_uflash_page (struct flash_bank *bank, uint32_t *dump, int page_num, int mem_type)
	Dump page of userflash region. More...
static int	niietcm4_erase (struct flash_bank *bank, unsigned int first, unsigned int last)
static int	niietcm4_load_uflash_page (struct flash_bank *bank, uint32_t *dump, int page_num, int mem_type)
	Load modified page dump to userflash region page. More...
static int	niietcm4_mass_erase (struct flash_bank *bank)
static int	niietcm4_opstatus_check (struct flash_bank *bank)
	Wait while operation with bootflash being performed and check result status. More...
static int	niietcm4_probe (struct flash_bank *bank)
static int	niietcm4_probe_k1921vk01t (struct flash_bank *bank)
static int	niietcm4_protect (struct flash_bank *bank, int set, unsigned int first, unsigned int last)
static int	niietcm4_protect_check (struct flash_bank *bank)
static int	niietcm4_uflash_page_erase (struct flash_bank *bank, int page_num, int mem_type)
	Erase one page of userflash info or main region. More...
static int	niietcm4_uflash_protect (struct flash_bank *bank, int mem_type, int set, unsigned int first, unsigned int last)
	Enable or disable protection of userflash pages. More...
static int	niietcm4_uopstatus_check (struct flash_bank *bank)
	Wait while operation with userflash being performed and check result status. More...
static int	niietcm4_write (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
static int	niietcm4_write_block (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)

Variables
static const struct command_registration	niietcm4_command_handlers []
static const struct command_registration	niietcm4_exec_command_handlers []
const struct flash_driver	niietcm4_flash

Macro Definition Documentation

BF_LOCK_ADDR

#define BF_LOCK_ADDR   0x40

Definition at line 108 of file niietcm4.c.

BOOTFLASH_BASE

#define BOOTFLASH_BASE   0xA001C000

Definition at line 32 of file niietcm4.c.

CHIPID_ADDR

#define CHIPID_ADDR   0xF0000000

Definition at line 18 of file niietcm4.c.

FCIC

#define FCIC   (BOOTFLASH_BASE + 0x14)

Definition at line 38 of file niietcm4.c.

FCIC_CLR_OPCMLT

#define FCIC_CLR_OPCMLT   (1<<0) /* Clear completion flag in register FCIS */

Definition at line 57 of file niietcm4.c.

FCIC_CLR_OPERROR

#define FCIC_CLR_OPERROR   (1<<1) /* Clear error flag in register FCIS */

Definition at line 58 of file niietcm4.c.

FCIM

#define FCIM   (BOOTFLASH_BASE + 0x10)

Definition at line 37 of file niietcm4.c.

FCIS

#define FCIS   (BOOTFLASH_BASE + 0x0C)

Definition at line 36 of file niietcm4.c.

FCIS_OP_CMLT

#define FCIS_OP_CMLT   (1<<0) /* Completion flag operation */

Definition at line 53 of file niietcm4.c.

FCIS_OP_ERROR

#define FCIS_OP_ERROR   (1<<1) /* Flag operation error */

Definition at line 54 of file niietcm4.c.

FLASH_DRIVER_VER

#define FLASH_DRIVER_VER   0x00010000

Definition at line 17 of file niietcm4.c.

FMA

#define FMA   (BOOTFLASH_BASE + 0x00)

Definition at line 33 of file niietcm4.c.

FMC

#define FMC   (BOOTFLASH_BASE + 0x08)

Definition at line 35 of file niietcm4.c.

FMC_FULL_ERASE

#define FMC_FULL_ERASE   (1<<2) /* Erase full flash */

Definition at line 47 of file niietcm4.c.

FMC_MAGIC_KEY

#define FMC_MAGIC_KEY   (MAGIC_KEY<<16) /* Operation run command */

Definition at line 50 of file niietcm4.c.

FMC_PAGE_ERASE

#define FMC_PAGE_ERASE   (1<<1) /* Page erase the main region */

Definition at line 46 of file niietcm4.c.

FMC_PAGEERASE_IFB

#define FMC_PAGEERASE_IFB   (1<<5) /* Erase page of info region */

Definition at line 49 of file niietcm4.c.

FMC_WRITE

#define FMC_WRITE   (1<<0) /* Writing in main region */

Definition at line 45 of file niietcm4.c.

FMC_WRITE_IFB

#define FMC_WRITE_IFB   (1<<4) /* Writing in info region */

Definition at line 48 of file niietcm4.c.

FMD1

#define FMD1   (BOOTFLASH_BASE + 0x04)

Definition at line 34 of file niietcm4.c.

FMD2

#define FMD2   (BOOTFLASH_BASE + 0x50)

Definition at line 39 of file niietcm4.c.

FMD3

#define FMD3   (BOOTFLASH_BASE + 0x54)

Definition at line 40 of file niietcm4.c.

FMD4

#define FMD4   (BOOTFLASH_BASE + 0x58)

Definition at line 41 of file niietcm4.c.

INFO_MEM_TYPE

#define INFO_MEM_TYPE   1

Definition at line 27 of file niietcm4.c.

INFOWORD0_ADDR

#define INFOWORD0_ADDR   0x00

Definition at line 91 of file niietcm4.c.

INFOWORD0_BOOTFROM_IFB

#define INFOWORD0_BOOTFROM_IFB   (1<<0) /* Boot from bootflash or bootflash_ifb */

Definition at line 92 of file niietcm4.c.

INFOWORD0_BOOTFROM_IFB_POS

#define INFOWORD0_BOOTFROM_IFB_POS   0

Definition at line 94 of file niietcm4.c.

INFOWORD0_EN_GPIO

#define INFOWORD0_EN_GPIO   (1<<1) /* Remap to 0x00000000 extmem or bootflash */

Definition at line 93 of file niietcm4.c.

INFOWORD0_EN_GPIO_POS

#define INFOWORD0_EN_GPIO_POS   1

Definition at line 95 of file niietcm4.c.

INFOWORD0_EXTMEM_SEL_POS

#define INFOWORD0_EXTMEM_SEL_POS   3 /* Choose altfunc of gpio to work with extmem */

Definition at line 96 of file niietcm4.c.

INFOWORD1_ADDR

#define INFOWORD1_ADDR   0x01

Definition at line 98 of file niietcm4.c.

INFOWORD1_PINNUM_POS

#define INFOWORD1_PINNUM_POS   0 /* Choose gpio pin number to control extmem boot */

Definition at line 99 of file niietcm4.c.

INFOWORD1_PORTNUM_POS

#define INFOWORD1_PORTNUM_POS   4 /* Choose gpio port to control extmem boot */

Definition at line 100 of file niietcm4.c.

INFOWORD2_ADDR

#define INFOWORD2_ADDR   0x02

Definition at line 102 of file niietcm4.c.

INFOWORD2_LOCK_IFB_BF

#define INFOWORD2_LOCK_IFB_BF   (1<<0) /* Protect info part of bootflash */

Definition at line 103 of file niietcm4.c.

INFOWORD3_ADDR

#define INFOWORD3_ADDR   0x03

Definition at line 105 of file niietcm4.c.

INFOWORD3_LOCK_IFB_UF

#define INFOWORD3_LOCK_IFB_UF   (1<<0) /* Protect info part of userflash */

Definition at line 106 of file niietcm4.c.

K1921VK01T_ID

#define K1921VK01T_ID   0x00000000

Definition at line 19 of file niietcm4.c.

MAGIC_KEY

#define MAGIC_KEY   0xA442

Definition at line 29 of file niietcm4.c.

MAIN_MEM_TYPE

#define MAIN_MEM_TYPE   0

Definition at line 26 of file niietcm4.c.

SERVICE_MODE_ERASE_ADDR

#define SERVICE_MODE_ERASE_ADDR   0x80030164

Definition at line 28 of file niietcm4.c.

UF_LOCK_ADDR

#define UF_LOCK_ADDR   0x80

Definition at line 109 of file niietcm4.c.

UFCIC

#define UFCIC   (USERFLASH_BASE + 0x14)

Definition at line 70 of file niietcm4.c.

UFCIC_CLR_OPCMLT

#define UFCIC_CLR_OPCMLT   (1<<0) /* Clear completion flag in register FCIS */

Definition at line 87 of file niietcm4.c.

UFCIC_CLR_OPERROR

#define UFCIC_CLR_OPERROR   (1<<1) /* Clear error flag in register FCIS */

Definition at line 88 of file niietcm4.c.

UFCIM

#define UFCIM   (USERFLASH_BASE + 0x10)

Definition at line 69 of file niietcm4.c.

UFCIS

#define UFCIS   (USERFLASH_BASE + 0x0C)

Definition at line 68 of file niietcm4.c.

UFCIS_OP_CMLT

#define UFCIS_OP_CMLT   (1<<0) /* Completion flag operation */

Definition at line 83 of file niietcm4.c.

UFCIS_OP_ERROR

#define UFCIS_OP_ERROR   (1<<1) /* Flag operation error */

Definition at line 84 of file niietcm4.c.

UFMA

#define UFMA   (USERFLASH_BASE + 0x00)

Definition at line 65 of file niietcm4.c.

UFMC

#define UFMC   (USERFLASH_BASE + 0x08)

Definition at line 67 of file niietcm4.c.

UFMC_FULL_ERASE

#define UFMC_FULL_ERASE   (1<<2) /* Erase full flash */

Definition at line 75 of file niietcm4.c.

UFMC_MAGIC_KEY

#define UFMC_MAGIC_KEY   (MAGIC_KEY<<16) /* Operation run command */

Definition at line 80 of file niietcm4.c.

UFMC_PAGE_ERASE

#define UFMC_PAGE_ERASE   (1<<1) /* Paged erase the main region */

Definition at line 74 of file niietcm4.c.

UFMC_PAGEERASE_IFB

#define UFMC_PAGEERASE_IFB   (1<<5) /* Erase page of info region */

Definition at line 78 of file niietcm4.c.

UFMC_READ

#define UFMC_READ   (1<<3) /* Reading from main region */

Definition at line 76 of file niietcm4.c.

UFMC_READ_IFB

#define UFMC_READ_IFB   (1<<6) /* Reading from info region */

Definition at line 79 of file niietcm4.c.

UFMC_WRITE

#define UFMC_WRITE   (1<<0) /* Writing in main region */

Definition at line 73 of file niietcm4.c.

UFMC_WRITE_IFB

#define UFMC_WRITE_IFB   (1<<4) /* Writing in info region */

Definition at line 77 of file niietcm4.c.

UFMD

#define UFMD   (USERFLASH_BASE + 0x04)

Definition at line 66 of file niietcm4.c.

USERFLASH_BASE

#define USERFLASH_BASE   0xA0022000

Definition at line 64 of file niietcm4.c.

USERFLASH_PAGE_SIZE

#define USERFLASH_PAGE_SIZE   256

Definition at line 61 of file niietcm4.c.

USERFLASH_PAGE_TOTALNUM

#define USERFLASH_PAGE_TOTALNUM   256

Definition at line 62 of file niietcm4.c.

Function Documentation

COMMAND_HANDLER() [1/11]

COMMAND_HANDLER

(

niietcm4_handle_bflash_info_remap_command

)

Definition at line 704 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, INFOWORD0_ADDR, INFOWORD0_BOOTFROM_IFB, LOG_ERROR, niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_uflash_page_erase(), target::state, TARGET_HALTED, and USERFLASH_PAGE_SIZE.

COMMAND_HANDLER() [2/11]

COMMAND_HANDLER

(

niietcm4_handle_driver_info_command

)

Definition at line 921 of file niietcm4.c.

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

COMMAND_HANDLER() [3/11]

COMMAND_HANDLER

(

niietcm4_handle_extmem_boot_command

)

Definition at line 831 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, INFOWORD0_ADDR, INFOWORD0_EN_GPIO, LOG_ERROR, niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_uflash_page_erase(), target::state, TARGET_HALTED, and USERFLASH_PAGE_SIZE.

COMMAND_HANDLER() [4/11]

COMMAND_HANDLER

(

niietcm4_handle_extmem_cfg_command

)

Definition at line 754 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, INFOWORD0_ADDR, INFOWORD0_EXTMEM_SEL_POS, INFOWORD1_ADDR, INFOWORD1_PINNUM_POS, INFOWORD1_PORTNUM_POS, LOG_ERROR, niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_uflash_page_erase(), target::state, TARGET_HALTED, and USERFLASH_PAGE_SIZE.

COMMAND_HANDLER() [5/11]

COMMAND_HANDLER

(

niietcm4_handle_service_mode_erase_command

)

Definition at line 882 of file niietcm4.c.

References bank, busy_sleep(), CALL_COMMAND_HANDLER, CMD, CMD_ARGC, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, LOG_ERROR, SERVICE_MODE_ERASE_ADDR, status, target_read_u32(), and target_write_u32().

COMMAND_HANDLER() [6/11]

COMMAND_HANDLER

(

niietcm4_handle_uflash_erase_command

)

Definition at line 518 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, niietcm4_uflash_page_erase(), target::state, and TARGET_HALTED.

COMMAND_HANDLER() [7/11]

COMMAND_HANDLER

(

niietcm4_handle_uflash_full_erase_command

)

Definition at line 480 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, niietcm4_uopstatus_check(), target::state, TARGET_HALTED, target_write_u32(), UFMA, UFMC, UFMC_FULL_ERASE, UFMC_MAGIC_KEY, and UFMD.

COMMAND_HANDLER() [8/11]

COMMAND_HANDLER

(

niietcm4_handle_uflash_protect_check_command

)

Definition at line 561 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, INFO_MEM_TYPE, INFOWORD3_ADDR, INFOWORD3_LOCK_IFB_UF, LOG_ERROR, niietcm4_uopstatus_check(), target::state, TARGET_HALTED, target_read_u32(), target_write_u32(), UF_LOCK_ADDR, UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_READ_IFB, UFMD, USERFLASH_PAGE_SIZE, and USERFLASH_PAGE_TOTALNUM.

COMMAND_HANDLER() [9/11]

COMMAND_HANDLER

(

niietcm4_handle_uflash_protect_command

)

Definition at line 652 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, niietcm4_uflash_protect(), target::state, and TARGET_HALTED.

COMMAND_HANDLER() [10/11]

COMMAND_HANDLER

(

niietcm4_handle_uflash_read_byte_command

)

Definition at line 377 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, niietcm4_uopstatus_check(), target_read_u32(), target_write_u32(), UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_READ, UFMC_READ_IFB, and UFMD.

COMMAND_HANDLER() [11/11]

COMMAND_HANDLER

(

niietcm4_handle_uflash_write_byte_command

)

Definition at line 424 of file niietcm4.c.

References bank, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_uflash_page_erase(), target::state, TARGET_HALTED, and USERFLASH_PAGE_SIZE.

FLASH_BANK_COMMAND_HANDLER()

FLASH_BANK_COMMAND_HANDLER

(

niietcm4_flash_bank_command

)

Definition at line 1038 of file niietcm4.c.

References bank, niietcm4_flash_bank::bflash_info_remap, niietcm4_flash_bank::chip_name, niietcm4_flash_bank::chipid, CMD_ARGC, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, niietcm4_flash_bank::extmem_boot, niietcm4_flash_bank::extmem_boot_altfunc, niietcm4_flash_bank::extmem_boot_pin, niietcm4_flash_bank::extmem_boot_port, NULL, niietcm4_flash_bank::probed, niietcm4_flash_bank::uflash_info_pagetotal, niietcm4_flash_bank::uflash_info_size, niietcm4_flash_bank::uflash_pagetotal, niietcm4_flash_bank::uflash_size, and niietcm4_flash_bank::uflash_width.

get_niietcm4_info()

static int get_niietcm4_info ( struct flash_bank *  bank, struct command_invocation *  cmd  )

static

Definition at line 1709 of file niietcm4.c.

References bank, niietcm4_flash_bank::chip_brief, niietcm4_flash_bank::chip_name, cmd, command_print_sameline(), and ERROR_OK.

niietcm4_auto_probe()

static int niietcm4_auto_probe ( struct flash_bank *  bank )

static

Definition at line 1701 of file niietcm4.c.

References bank, ERROR_OK, niietcm4_probe(), and niietcm4_flash_bank::probed.

niietcm4_dump_uflash_page()

static int niietcm4_dump_uflash_page ( struct flash_bank *  bank, uint32_t *  dump, int  page_num, int  mem_type  )

static

Dump page of userflash region.

If we want to change some settings, we have to dump it full, because userflash is flash(not EEPROM). And correct write to flash can be performed only after erase. So without dump, changing one registers will clear others.

Definition at line 219 of file niietcm4.c.

References bank, ERROR_OK, INFO_MEM_TYPE, niietcm4_uopstatus_check(), target_read_u32(), target_write_u32(), UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_READ, UFMC_READ_IFB, UFMD, and USERFLASH_PAGE_SIZE.

Referenced by COMMAND_HANDLER(), niietcm4_protect(), and niietcm4_uflash_protect().

niietcm4_erase()

static int niietcm4_erase ( struct flash_bank *  bank, unsigned int  first, unsigned int  last  )

static

Definition at line 1156 of file niietcm4.c.

References bank, niietcm4_flash_bank::bflash_info_remap, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, ERROR_TARGET_NOT_HALTED, FMA, FMC, FMC_MAGIC_KEY, FMC_PAGE_ERASE, FMC_PAGEERASE_IFB, LOG_ERROR, niietcm4_mass_erase(), niietcm4_opstatus_check(), TARGET_HALTED, and target_write_u32().

niietcm4_load_uflash_page()

static int niietcm4_load_uflash_page ( struct flash_bank *  bank, uint32_t *  dump, int  page_num, int  mem_type  )

static

Load modified page dump to userflash region page.

Definition at line 255 of file niietcm4.c.

References bank, ERROR_OK, INFO_MEM_TYPE, niietcm4_uopstatus_check(), target_write_u32(), UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_WRITE, UFMC_WRITE_IFB, UFMD, and USERFLASH_PAGE_SIZE.

Referenced by COMMAND_HANDLER(), niietcm4_protect(), and niietcm4_uflash_protect().

niietcm4_mass_erase()

static int niietcm4_mass_erase ( struct flash_bank *  bank )

static

Definition at line 1135 of file niietcm4.c.

References bank, ERROR_OK, FMC, FMC_FULL_ERASE, FMC_MAGIC_KEY, niietcm4_opstatus_check(), and target_write_u32().

Referenced by niietcm4_erase().

niietcm4_opstatus_check()

static int niietcm4_opstatus_check ( struct flash_bank *  bank )

static

Wait while operation with bootflash being performed and check result status.

Definition at line 142 of file niietcm4.c.

References bank, busy_sleep(), ERROR_FLASH_OPERATION_FAILED, ERROR_OK, FCIC, FCIC_CLR_OPCMLT, FCIC_CLR_OPERROR, FCIS, FCIS_OP_ERROR, LOG_ERROR, target_read_u32(), and target_write_u32().

Referenced by niietcm4_erase(), niietcm4_mass_erase(), and niietcm4_write().

niietcm4_probe()

static int niietcm4_probe ( struct flash_bank *  bank )

static

Definition at line 1664 of file niietcm4.c.

References bank, CHIPID_ADDR, ERROR_OK, K1921VK01T_ID, LOG_INFO, niietcm4_probe_k1921vk01t(), NULL, niietcm4_flash_bank::probed, and target_read_u32().

Referenced by niietcm4_auto_probe().

niietcm4_probe_k1921vk01t()

static int niietcm4_probe_k1921vk01t ( struct flash_bank *  bank )

static

Definition at line 1463 of file niietcm4.c.

References bank, niietcm4_flash_bank::bflash_info_remap, niietcm4_flash_bank::chip_brief, niietcm4_flash_bank::chip_name, ERROR_OK, niietcm4_flash_bank::extmem_boot, niietcm4_flash_bank::extmem_boot_altfunc, niietcm4_flash_bank::extmem_boot_pin, niietcm4_flash_bank::extmem_boot_port, INFOWORD0_BOOTFROM_IFB_POS, INFOWORD0_EN_GPIO_POS, INFOWORD0_EXTMEM_SEL_POS, INFOWORD1_PINNUM_POS, INFOWORD1_PORTNUM_POS, niietcm4_uopstatus_check(), TARGET_ADDR_FMT, target_read_u32(), target_write_u32(), niietcm4_flash_bank::uflash_info_pagetotal, niietcm4_flash_bank::uflash_info_size, niietcm4_flash_bank::uflash_pagetotal, niietcm4_flash_bank::uflash_size, niietcm4_flash_bank::uflash_width, UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_READ_IFB, and UFMD.

Referenced by niietcm4_probe().

niietcm4_protect()

static int niietcm4_protect ( struct flash_bank *  bank, int  set, unsigned int  first, unsigned int  last  )

static

Definition at line 1203 of file niietcm4.c.

References bank, BF_LOCK_ADDR, niietcm4_flash_bank::bflash_info_remap, ERROR_OK, ERROR_TARGET_NOT_HALTED, INFOWORD2_ADDR, INFOWORD2_LOCK_IFB_BF, LOG_ERROR, LOG_INFO, niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_uflash_page_erase(), target::state, TARGET_HALTED, and USERFLASH_PAGE_SIZE.

niietcm4_protect_check()

static int niietcm4_protect_check ( struct flash_bank *  bank )

static

Definition at line 1067 of file niietcm4.c.

References bank, BF_LOCK_ADDR, niietcm4_flash_bank::bflash_info_remap, ERROR_FLASH_OPERATION_FAILED, ERROR_OK, INFOWORD2_ADDR, INFOWORD2_LOCK_IFB_BF, niietcm4_uopstatus_check(), target_read_u32(), target_write_u32(), UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_READ_IFB, and UFMD.

niietcm4_uflash_page_erase()

static int niietcm4_uflash_page_erase ( struct flash_bank *  bank, int  page_num, int  mem_type  )

static

Erase one page of userflash info or main region.

Definition at line 291 of file niietcm4.c.

References bank, ERROR_OK, INFO_MEM_TYPE, niietcm4_uopstatus_check(), target_write_u32(), UFMA, UFMC, UFMC_MAGIC_KEY, UFMC_PAGE_ERASE, UFMC_PAGEERASE_IFB, UFMD, and USERFLASH_PAGE_SIZE.

Referenced by COMMAND_HANDLER(), niietcm4_protect(), and niietcm4_uflash_protect().

niietcm4_uflash_protect()

static int niietcm4_uflash_protect ( struct flash_bank *  bank, int  mem_type, int  set, unsigned int  first, unsigned int  last  )

static

Enable or disable protection of userflash pages.

Definition at line 322 of file niietcm4.c.

References bank, ERROR_OK, INFO_MEM_TYPE, INFOWORD2_ADDR, INFOWORD3_LOCK_IFB_UF, niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_uflash_page_erase(), UF_LOCK_ADDR, and USERFLASH_PAGE_SIZE.

Referenced by COMMAND_HANDLER().

niietcm4_uopstatus_check()

static int niietcm4_uopstatus_check ( struct flash_bank *  bank )

static

Wait while operation with userflash being performed and check result status.

Definition at line 179 of file niietcm4.c.

References bank, busy_sleep(), ERROR_FLASH_OPERATION_FAILED, ERROR_OK, LOG_ERROR, target_read_u32(), target_write_u32(), UFCIC, UFCIC_CLR_OPCMLT, UFCIC_CLR_OPERROR, UFCIS, and UFCIS_OP_ERROR.

Referenced by COMMAND_HANDLER(), niietcm4_dump_uflash_page(), niietcm4_load_uflash_page(), niietcm4_probe_k1921vk01t(), niietcm4_protect_check(), and niietcm4_uflash_page_erase().

niietcm4_write()

static int niietcm4_write ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 1359 of file niietcm4.c.

References bank, niietcm4_flash_bank::bflash_info_remap, buffer, count, ERROR_FAIL, ERROR_FLASH_DST_BREAKS_ALIGNMENT, ERROR_OK, ERROR_TARGET_NOT_HALTED, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, FMA, FMC, FMC_MAGIC_KEY, FMC_WRITE, FMC_WRITE_IFB, FMD1, FMD2, FMD3, FMD4, LOG_ERROR, LOG_INFO, LOG_WARNING, niietcm4_opstatus_check(), niietcm4_write_block(), NULL, offset, TARGET_HALTED, and target_write_u32().

niietcm4_write_block()

static int niietcm4_write_block ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 1265 of file niietcm4.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, bank, niietcm4_flash_bank::bflash_info_remap, buf_get_u32(), buf_set_u32(), buffer, armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, count, destroy_reg_param(), ERROR_FLASH_OPERATION_FAILED, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, FMC_MAGIC_KEY, FMC_WRITE, FMC_WRITE_IFB, init_reg_param(), LOG_ERROR, LOG_WARNING, NULL, offset, PARAM_IN_OUT, PARAM_OUT, source, target_alloc_working_area(), target_alloc_working_area_try(), target_free_working_area(), target_run_flash_async_algorithm(), and target_write_buffer().

Referenced by niietcm4_write().

Variable Documentation

niietcm4_command_handlers

const struct command_registration niietcm4_command_handlers[]

static

Initial value:

= {
    {
        .name = "niietcm4",
        .mode = COMMAND_ANY,
        .help = "niietcm4 flash command group",
        .usage = "",
        .chain = niietcm4_exec_command_handlers,
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 921 of file niietcm4.c.

niietcm4_exec_command_handlers

const struct command_registration niietcm4_exec_command_handlers[]

static

Definition at line 921 of file niietcm4.c.

niietcm4_flash

const struct flash_driver niietcm4_flash

Initial value:

= {
    .name = "niietcm4",
    .usage = "flash bank <name> niietcm4 <base> <size> 0 0 <target#>",
    .commands = niietcm4_command_handlers,
    .flash_bank_command = niietcm4_flash_bank_command,
    .erase = niietcm4_erase,
    .protect = niietcm4_protect,
    .write = niietcm4_write,
    .read = default_flash_read,
    .probe = niietcm4_probe,
    .auto_probe = niietcm4_auto_probe,
    .erase_check = default_flash_blank_check,
    .protect_check = niietcm4_protect_check,
    .info = get_niietcm4_info,
    .free_driver_priv = default_flash_free_driver_priv,
}

Definition at line 1709 of file niietcm4.c.