Include dependency graph for mxc.c:

Macros
#define	nfc_is_v1()

#define	nfc_is_v2()

#define	OOB_SIZE 64

Functions
static uint32_t	align_address_v2 (struct nand_device *nand, uint32_t addr)

	COMMAND_HANDLER (handle_mxc_biswap_command)

static int	do_data_output (struct nand_device *nand)

static int	ecc_status_v1 (struct nand_device *nand)

static int	ecc_status_v2 (struct nand_device *nand)

static int	get_next_byte_from_sram_buffer (struct nand_device nand, uint8_t value)

static int	get_next_halfword_from_sram_buffer (struct nand_device nand, uint16_t value)

static int	initialize_nf_controller (struct nand_device *nand)

static int	mxc_address (struct nand_device *nand, uint8_t address)

static int	mxc_command (struct nand_device *nand, uint8_t command)

static int	mxc_init (struct nand_device *nand)

static int	mxc_nand_ready (struct nand_device *nand, int tout)

static int	mxc_read_data (struct nand_device nand, void data)

static int	mxc_read_page (struct nand_device nand, uint32_t page, uint8_t data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)

static int	mxc_reset (struct nand_device *nand)

static int	mxc_write_data (struct nand_device *nand, uint16_t data)

static int	mxc_write_page (struct nand_device nand, uint32_t page, uint8_t data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)

	NAND_DEVICE_COMMAND_HANDLER (mxc_nand_device_command)

static int	poll_for_complete_op (struct nand_device nand, const char text)

static int	validate_target_state (struct nand_device *nand)

Variables
static const char	data_block_size_err_msg []

static const char	get_status_register_err_msg [] = "can't get NAND status"

static uint32_t	in_sram_address

static const struct command_registration	mxc_nand_command_handler []

struct nand_flash_controller	mxc_nand_flash_controller

static const struct command_registration	mxc_sub_command_handlers []

static unsigned char	sign_of_sequental_byte_read

static const char	sram_buffer_bounds_err_msg []

static const char	target_not_halted_err_msg []

Macro Definition Documentation

◆ nfc_is_v1

#define nfc_is_v1 ( )

Value:

(mxc_nf_info->mxc_version == MXC_VERSION_MX27 || \

mxc_nf_info->mxc_version == MXC_VERSION_MX31)

MXC_VERSION_MX27

@ MXC_VERSION_MX27

Definition: mxc.h:124

MXC_VERSION_MX31

@ MXC_VERSION_MX31

Definition: mxc.h:125

Definition at line 41 of file mxc.c.

◆ nfc_is_v2

#define nfc_is_v2 ( )

Value:

(mxc_nf_info->mxc_version == MXC_VERSION_MX25 || \

mxc_nf_info->mxc_version == MXC_VERSION_MX35)

MXC_VERSION_MX25

@ MXC_VERSION_MX25

Definition: mxc.h:123

MXC_VERSION_MX35

@ MXC_VERSION_MX35

Definition: mxc.h:126

Definition at line 43 of file mxc.c.

◆ OOB_SIZE

#define OOB_SIZE 64

Definition at line 39 of file mxc.c.

Function Documentation

◆ align_address_v2()

static uint32_t align_address_v2	(	struct nand_device *	nand,
		uint32_t	addr
	)

static

Definition at line 683 of file mxc.c.

References addr, nand_device::controller_priv, mxc_nf_controller::mxc_base_addr, MXC_NF_SPARE_BUFFER_LEN, MXC_NF_SPARE_BUFFER_MAX, MXC_NF_V2_SPARE_BUFFER0, and nand_device::page_size.

Referenced by get_next_byte_from_sram_buffer(), get_next_halfword_from_sram_buffer(), mxc_read_page(), and mxc_write_page().

◆ COMMAND_HANDLER()

COMMAND_HANDLER ( handle_mxc_biswap_command )

Definition at line 139 of file mxc.c.

References mxc_nf_flags::biswap_enabled, CALL_COMMAND_HANDLER, CMD, CMD_ARGC, CMD_ARGV, command_print(), nand_device::controller_priv, ERROR_COMMAND_ARGUMENT_INVALID, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, mxc_nf_controller::flags, nand_device::name, and NULL.

◆ do_data_output()

static int do_data_output ( struct nand_device * nand )

static

Definition at line 901 of file mxc.c.

References nand_device::controller_priv, ecc_status_v1(), ecc_status_v2(), ERROR_OK, mxc_nf_controller::fin, mxc_nf_controller::flags, mxc_nf_flags::hw_ecc_enabled, MXC_NF_BIT_DATAOUT_TYPE, MXC_NF_CFG2, MXC_NF_DATAOUT_PAGE, MXC_NF_FIN_DATAOUT, MXC_NF_FIN_NONE, nfc_is_v1, mxc_nf_controller::optype, poll_for_complete_op(), nand_device::target, and target_write_u16().

Referenced by mxc_init(), mxc_read_data(), mxc_read_page(), and mxc_write_page().

◆ ecc_status_v1()

static int ecc_status_v1 ( struct nand_device * nand )

static

Definition at line 852 of file mxc.c.

References nand_device::controller_priv, ERROR_NAND_OPERATION_FAILED, ERROR_OK, LOG_INFO, MXC_NF_ECCSTATUS, nand_device::target, and target_read_u16().

Referenced by do_data_output().

◆ ecc_status_v2()

static int ecc_status_v2 ( struct nand_device * nand )

static

Definition at line 878 of file mxc.c.

References nand_device::controller_priv, ERROR_NAND_OPERATION_FAILED, ERROR_OK, LOG_INFO, MXC_NF_ECCSTATUS, nand_device::page_size, nand_device::target, and target_read_u16().

Referenced by do_data_output().

◆ get_next_byte_from_sram_buffer()

static int get_next_byte_from_sram_buffer	(	struct nand_device *	nand,
		uint8_t *	value
	)

static

Definition at line 768 of file mxc.c.

References align_address_v2(), nand_device::controller_priv, ERROR_NAND_OPERATION_FAILED, ERROR_OK, in_sram_address, LOG_ERROR, MXC_NF_V1_LAST_BUFFADDR, MXC_NF_V2_LAST_BUFFADDR, nfc_is_v1, nfc_is_v2, sign_of_sequental_byte_read, sram_buffer_bounds_err_msg, nand_device::target, and target_read_u16().

Referenced by mxc_read_data().

◆ get_next_halfword_from_sram_buffer()

static int get_next_halfword_from_sram_buffer	(	struct nand_device *	nand,
		uint16_t *	value
	)

static

Definition at line 804 of file mxc.c.

References align_address_v2(), nand_device::controller_priv, ERROR_NAND_OPERATION_FAILED, ERROR_OK, in_sram_address, LOG_ERROR, MXC_NF_V1_LAST_BUFFADDR, MXC_NF_V2_LAST_BUFFADDR, nfc_is_v1, nfc_is_v2, sram_buffer_bounds_err_msg, nand_device::target, and target_read_u16().

Referenced by mxc_read_data().

◆ initialize_nf_controller()

static int initialize_nf_controller ( struct nand_device * nand )

static

Definition at line 695 of file mxc.c.

References nand_device::controller_priv, target::endianness, nand_device::erase_size, ERROR_FAIL, ERROR_OK, mxc_nf_controller::flags, mxc_nf_flags::hw_ecc_enabled, in_sram_address, LOG_DEBUG, LOG_ERROR, MXC_NF_BIT_BE_EN, MXC_NF_BIT_ECC_4BIT, MXC_NF_BIT_ECC_EN, MXC_NF_BIT_INT_DIS, MXC_NF_BIT_RESET_EN, MXC_NF_BUFADDR, MXC_NF_BUFCFG, MXC_NF_CFG1, MXC_NF_FWP, MXC_NF_MAIN_BUFFER0, MXC_NF_V1_UNLOCKEND, MXC_NF_V1_UNLOCKSTART, MXC_NF_V2_CFG1_PPB, MXC_NF_V2_SPAS, MXC_NF_V2_UNLOCKEND0, MXC_NF_V2_UNLOCKEND1, MXC_NF_V2_UNLOCKEND2, MXC_NF_V2_UNLOCKEND3, MXC_NF_V2_UNLOCKSTART0, MXC_NF_V2_UNLOCKSTART1, MXC_NF_V2_UNLOCKSTART2, MXC_NF_V2_UNLOCKSTART3, mxc_nf_controller::mxc_version, MXC_VERSION_MX27, nfc_is_v1, nfc_is_v2, OOB_SIZE, nand_device::page_size, sign_of_sequental_byte_read, nand_device::target, TARGET_BIG_ENDIAN, target_read_u16(), and target_write_u16().

Referenced by mxc_init(), and mxc_reset().

◆ mxc_address()

static int mxc_address	(	struct nand_device *	nand,
		uint8_t	address
	)

static

Definition at line 399 of file mxc.c.

References nand_device::controller_priv, ERROR_OK, MXC_NF_BIT_OP_FAI, MXC_NF_CFG2, MXC_NF_FADDR, poll_for_complete_op(), nand_device::target, target_write_u16(), and validate_target_state().

Referenced by mxc_init(), mxc_read_page(), and mxc_write_page().

◆ mxc_command()

static int mxc_command	(	struct nand_device *	nand,
		uint8_t	command
	)

static

◆ mxc_init()

static int mxc_init ( struct nand_device * nand )

static

Definition at line 191 of file mxc.c.

References nand_device::bus_width, nand_device::controller_priv, do_data_output(), ERROR_FAIL, ERROR_OK, mxc_nf_controller::flags, get_status_register_err_msg, initialize_nf_controller(), LOG_DEBUG, LOG_ERROR, LOG_INFO, MX25_RCSR, MX25_RCSR_NF_16BIT_SEL, MX25_RCSR_NF_FMS, MX2_FMCR, MX2_FMCR_NF_16BIT_SEL, MX2_FMCR_NF_FMS, MX35_RCSR, MX35_RCSR_NF_16BIT_SEL, MX35_RCSR_NF_4K, MX35_RCSR_NF_FMS, MX3_PCSR, MX3_PCSR_NF_16BIT_SEL, MX3_PCSR_NF_FMS, mxc_address(), mxc_command(), MXC_NF_BUFSIZ, MXC_NF_MAIN_BUFFER0, mxc_nf_controller::mxc_version, MXC_VERSION_MX25, MXC_VERSION_MX31, MXC_VERSION_MX35, NAND_CMD_STATUS, mxc_nf_flags::nand_readonly, nfc_is_v1, nfc_is_v2, mxc_nf_flags::one_kb_sram, nand_device::page_size, nand_device::target, target_read_u16(), target_read_u32(), target_write_u32(), and validate_target_state().

◆ mxc_nand_ready()

static int mxc_nand_ready	(	struct nand_device *	nand,
		int	tout
	)

static

Definition at line 424 of file mxc.c.

References alive_sleep(), nand_device::controller_priv, ERROR_OK, MXC_NF_BIT_OP_DONE, MXC_NF_CFG2, nand_device::target, target_read_u16(), and validate_target_state().

Referenced by poll_for_complete_op().

◆ mxc_read_data()

static int mxc_read_data	(	struct nand_device *	nand,
		void *	data
	)

static

Definition at line 279 of file mxc.c.

References nand_device::bus_width, do_data_output(), ERROR_OK, get_next_byte_from_sram_buffer(), get_next_halfword_from_sram_buffer(), LOG_ERROR, and validate_target_state().

◆ mxc_read_page()

static int mxc_read_page	(	struct nand_device *	nand,
		uint32_t	page,
		uint8_t *	data,
		uint32_t	data_size,
		uint8_t *	oob,
		uint32_t	oob_size
	)

static

◆ mxc_reset()

static int mxc_reset ( struct nand_device * nand )

static

Definition at line 314 of file mxc.c.

References ERROR_OK, initialize_nf_controller(), and validate_target_state().

◆ mxc_write_data()

static int mxc_write_data	(	struct nand_device *	nand,
		uint16_t	data
	)

static

Definition at line 308 of file mxc.c.

References ERROR_NAND_OPERATION_FAILED, and LOG_ERROR.

◆ mxc_write_page()

static int mxc_write_page	(	struct nand_device *	nand,
		uint32_t	page,
		uint8_t *	data,
		uint32_t	data_size,
		uint8_t *	oob,
		uint32_t	oob_size
	)

static

Definition at line 448 of file mxc.c.

References addr, align_address_v2(), mxc_nf_flags::biswap_enabled, nand_device::controller_priv, data_block_size_err_msg, do_data_output(), ERROR_NAND_OPERATION_FAILED, ERROR_OK, mxc_nf_controller::fin, mxc_nf_controller::flags, get_status_register_err_msg, mxc_nf_flags::hw_ecc_enabled, in_sram_address, LOG_DEBUG, LOG_ERROR, LOG_INFO, MIN, mxc_address(), mxc_command(), MXC_NF_BIT_OP_FDI, MXC_NF_BUFADDR, MXC_NF_CFG2, MXC_NF_DATAOUT_NANDSTATUS, MXC_NF_FIN_DATAOUT, MXC_NF_MAIN_BUFFER0, MXC_NF_MAIN_BUFFER3, MXC_NF_SPARE_BUFFER_LEN, MXC_NF_V1_SPARE_BUFFER0, MXC_NF_V1_SPARE_BUFFER3, MXC_NF_V2_SPARE_BUFFER0, MXC_NF_V2_SPARE_BUFFER3, NAND_CMD_PAGEPROG, NAND_CMD_SEQIN, NAND_CMD_STATUS, nfc_is_v1, mxc_nf_controller::optype, nand_device::page_size, poll_for_complete_op(), sign_of_sequental_byte_read, nand_device::target, target_read_u16(), target_write_buffer(), target_write_u16(), and validate_target_state().

◆ NAND_DEVICE_COMMAND_HANDLER()

NAND_DEVICE_COMMAND_HANDLER ( mxc_nand_device_command )

◆ poll_for_complete_op()

static int poll_for_complete_op	(	struct nand_device *	nand,
		const char *	text
	)

static

Definition at line 823 of file mxc.c.

References ERROR_NAND_OPERATION_FAILED, ERROR_OK, LOG_ERROR, and mxc_nand_ready().

Referenced by do_data_output(), mxc_address(), mxc_command(), and mxc_write_page().

◆ validate_target_state()

static int validate_target_state ( struct nand_device * nand )

static

Definition at line 832 of file mxc.c.

References nand_device::controller_priv, target::endianness, ERROR_NAND_OPERATION_FAILED, ERROR_OK, mxc_nf_controller::flags, LOG_ERROR, target::state, nand_device::target, TARGET_HALTED, mxc_nf_flags::target_little_endian, TARGET_LITTLE_ENDIAN, and target_not_halted_err_msg.

Referenced by mxc_address(), mxc_command(), mxc_init(), mxc_nand_ready(), mxc_read_data(), mxc_read_page(), mxc_reset(), and mxc_write_page().

Variable Documentation

◆ data_block_size_err_msg

const char data_block_size_err_msg[]

static

Initial value:

=

"minimal granularity is one half-word, %" PRIu32 " is incorrect"

Definition at line 56 of file mxc.c.

Referenced by mxc_read_page(), and mxc_write_page().

◆ get_status_register_err_msg

const char get_status_register_err_msg[] = "can't get NAND status"

static

Definition at line 60 of file mxc.c.

Referenced by mxc_init(), and mxc_write_page().

◆ in_sram_address

uint32_t in_sram_address

static

Definition at line 61 of file mxc.c.

Referenced by get_next_byte_from_sram_buffer(), get_next_halfword_from_sram_buffer(), initialize_nf_controller(), mxc_command(), and mxc_write_page().

◆ mxc_nand_command_handler

const struct command_registration mxc_nand_command_handler[]

static

Initial value:

= {
    {
        .name = "mxc",
        .mode = COMMAND_ANY,
        .help = "MXC NAND flash controller commands",
        .chain = mxc_sub_command_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 139 of file mxc.c.

◆ mxc_nand_flash_controller

struct nand_flash_controller mxc_nand_flash_controller

Initial value:

= {
    .name = "mxc",
    .nand_device_command = &mxc_nand_device_command,
    .commands = mxc_nand_command_handler,
    .init = &mxc_init,
    .reset = &mxc_reset,
    .command = &mxc_command,
    .address = &mxc_address,
    .write_data = &mxc_write_data,
    .read_data = &mxc_read_data,
    .write_page = &mxc_write_page,
    .read_page = &mxc_read_page,
    .nand_ready = &mxc_nand_ready,
}

Definition at line 901 of file mxc.c.

◆ mxc_sub_command_handlers

const struct command_registration mxc_sub_command_handlers[]

static

Initial value:

= {
    {
        .name = "biswap",
        .mode = COMMAND_EXEC,
        .handler = handle_mxc_biswap_command,
        .help = "Turns on/off bad block information swapping from main area, "
            "without parameter query status.",
        .usage = "bank_id ['enable'|'disable']",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 139 of file mxc.c.

◆ sign_of_sequental_byte_read

unsigned char sign_of_sequental_byte_read

static

Definition at line 62 of file mxc.c.

Referenced by get_next_byte_from_sram_buffer(), initialize_nf_controller(), mxc_command(), and mxc_write_page().

◆ sram_buffer_bounds_err_msg

const char sram_buffer_bounds_err_msg[]

static

Initial value:

=

"trying to access out of SRAM buffer bound (addr=0x%" PRIx32 ")"

Definition at line 58 of file mxc.c.

Referenced by get_next_byte_from_sram_buffer(), and get_next_halfword_from_sram_buffer().

◆ target_not_halted_err_msg

const char target_not_halted_err_msg[]

static

Initial value:

=

"target must be halted to use mxc NAND flash controller"

Definition at line 54 of file mxc.c.

Referenced by validate_target_state().

Macros

Functions

Variables

Macro Definition Documentation

◆ nfc_is_v1

◆ nfc_is_v2

◆ OOB_SIZE

Function Documentation

◆ align_address_v2()

◆ COMMAND_HANDLER()

◆ do_data_output()

◆ ecc_status_v1()

◆ ecc_status_v2()

◆ get_next_byte_from_sram_buffer()

◆ get_next_halfword_from_sram_buffer()

◆ initialize_nf_controller()

◆ mxc_address()

◆ mxc_command()

◆ mxc_init()

◆ mxc_nand_ready()

◆ mxc_read_data()

◆ mxc_read_page()

◆ mxc_reset()

◆ mxc_write_data()

◆ mxc_write_page()

◆ NAND_DEVICE_COMMAND_HANDLER()

◆ poll_for_complete_op()

◆ validate_target_state()

Variable Documentation

◆ data_block_size_err_msg

◆ get_status_register_err_msg

◆ in_sram_address

◆ mxc_nand_command_handler

◆ mxc_nand_flash_controller

◆ mxc_sub_command_handlers

◆ sign_of_sequental_byte_read

◆ sram_buffer_bounds_err_msg

◆ target_not_halted_err_msg