spi_flash_internal.h File Reference

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Data Structures
struct	spi_flash_part_id
struct	spi_flash_ops_descriptor
struct	spi_flash_vendor_info

Macros
#define	CMD_READ_ID   0x9f
#define	CMD_READ_ARRAY_SLOW   0x03
#define	CMD_READ_ARRAY_FAST   0x0b
#define	CMD_READ_ARRAY_LEGACY   0xe8
#define	CMD_READ_FAST_DUAL_OUTPUT   0x3b
#define	CMD_READ_FAST_DUAL_IO   0xbb
#define	CMD_READ_STATUS   0x05
#define	CMD_WRITE_ENABLE   0x06
#define	CMD_BLOCK_ERASE   0xD8
#define	CMD_EXIT_4BYTE_ADDR_MODE   0xe9
#define	STATUS_WIP   0x01

Functions
int	spi_flash_cmd (const struct spi_slave *spi, u8 cmd, void *response, size_t len)
int	spi_flash_cmd_write (const struct spi_slave *spi, const u8 *cmd, size_t cmd_len, const void *data, size_t data_len)
int	spi_flash_cmd_poll_bit (const struct spi_flash *flash, unsigned long timeout, u8 cmd, u8 poll_bit)
int	spi_flash_cmd_wait_ready (const struct spi_flash *flash, unsigned long timeout)
int	spi_flash_cmd_erase (const struct spi_flash *flash, u32 offset, size_t len)
int	spi_flash_cmd_status (const struct spi_flash *flash, u8 *reg)
int	spi_flash_cmd_write_page_program (const struct spi_flash *flash, u32 offset, size_t len, const void *buf)
int	spi_flash_cmd_read (const struct spi_flash *flash, u32 offset, size_t len, void *buf)
int	stmicro_release_deep_sleep_identify (const struct spi_slave *spi, u8 *idcode)

Variables
const struct spi_flash_vendor_info	spi_flash_adesto_vi
const struct spi_flash_vendor_info	spi_flash_amic_vi
const struct spi_flash_vendor_info	spi_flash_atmel_vi
const struct spi_flash_vendor_info	spi_flash_eon_vi
const struct spi_flash_vendor_info	spi_flash_gigadevice_vi
const struct spi_flash_vendor_info	spi_flash_macronix_vi
const struct spi_flash_vendor_info	spi_flash_spansion_ext1_vi
const struct spi_flash_vendor_info	spi_flash_spansion_ext2_vi
const struct spi_flash_vendor_info	spi_flash_spansion_vi
const struct spi_flash_vendor_info	spi_flash_sst_ai_vi
const struct spi_flash_vendor_info	spi_flash_sst_vi
const struct spi_flash_vendor_info	spi_flash_stmicro1_vi
const struct spi_flash_vendor_info	spi_flash_stmicro2_vi
const struct spi_flash_vendor_info	spi_flash_stmicro3_vi
const struct spi_flash_vendor_info	spi_flash_stmicro4_vi
const struct spi_flash_vendor_info	spi_flash_winbond_vi
const struct spi_flash_ops_descriptor	spi_flash_pp_0x20_sector_desc
const struct spi_flash_ops_descriptor	spi_flash_pp_0xd8_sector_desc

Macro Definition Documentation

CMD_BLOCK_ERASE

#define CMD_BLOCK_ERASE   0xD8

Definition at line 23 of file spi_flash_internal.h.

CMD_EXIT_4BYTE_ADDR_MODE

#define CMD_EXIT_4BYTE_ADDR_MODE   0xe9

Definition at line 25 of file spi_flash_internal.h.

CMD_READ_ARRAY_FAST

#define CMD_READ_ARRAY_FAST   0x0b

Definition at line 14 of file spi_flash_internal.h.

CMD_READ_ARRAY_LEGACY

#define CMD_READ_ARRAY_LEGACY   0xe8

Definition at line 15 of file spi_flash_internal.h.

CMD_READ_ARRAY_SLOW

#define CMD_READ_ARRAY_SLOW   0x03

Definition at line 13 of file spi_flash_internal.h.

CMD_READ_FAST_DUAL_IO

#define CMD_READ_FAST_DUAL_IO   0xbb

Definition at line 18 of file spi_flash_internal.h.

CMD_READ_FAST_DUAL_OUTPUT

#define CMD_READ_FAST_DUAL_OUTPUT   0x3b

Definition at line 17 of file spi_flash_internal.h.

CMD_READ_ID

#define CMD_READ_ID   0x9f

Definition at line 11 of file spi_flash_internal.h.

CMD_READ_STATUS

#define CMD_READ_STATUS   0x05

Definition at line 20 of file spi_flash_internal.h.

CMD_WRITE_ENABLE

#define CMD_WRITE_ENABLE   0x06

Definition at line 21 of file spi_flash_internal.h.

STATUS_WIP

#define STATUS_WIP   0x01

Definition at line 28 of file spi_flash_internal.h.

Function Documentation

spi_flash_cmd()

int spi_flash_cmd	(	const struct spi_slave *	spi,
		u8	cmd,
		void *	response,
		size_t	len
	)

Definition at line 107 of file spi_flash.c.

References BIOS_WARNING, do_spi_flash_cmd(), and printk.

Referenced by spi_flash_cmd_erase(), spi_flash_cmd_status(), spi_flash_cmd_write_page_program(), spi_flash_generic_probe(), spi_flash_probe(), sst_disable_writing(), sst_enable_writing(), sst_enable_writing_status(), winbond_flash_cmd_status(), and winbond_get_write_protection().

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spi_flash_cmd_erase()

int spi_flash_cmd_erase	(	const struct spi_flash *	flash,
		u32	offset,
		size_t	len
	)

Definition at line 228 of file spi_flash.c.

References BIOS_DEBUG, BIOS_SPEW, BIOS_WARNING, CMD_WRITE_ENABLE, spi_flash::erase_cmd, NULL, offset, printk, spi_flash::sector_size, spi_flash::spi, spi_flash_addr(), spi_flash_cmd(), spi_flash_cmd_wait_ready(), spi_flash_cmd_write(), SPI_FLASH_PAGE_ERASE_TIMEOUT_MS, and stopwatch::start.

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spi_flash_cmd_poll_bit()

int spi_flash_cmd_poll_bit	(	const struct spi_flash *	flash,
		unsigned long	timeout,
		u8	cmd,
		u8	poll_bit
	)

Definition at line 190 of file spi_flash.c.

References BIOS_WARNING, do_spi_flash_cmd(), printk, spi_flash::spi, stopwatch_duration_msecs(), stopwatch_expired(), and stopwatch_init_msecs_expire().

Referenced by spi_flash_cmd_wait_ready().

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spi_flash_cmd_read()

int spi_flash_cmd_read	(	const struct spi_flash *	flash,
		u32	offset,
		size_t	len,
		void *	buf
	)

Definition at line 142 of file spi_flash.c.

References BIOS_WARNING, buf, CMD_READ_ARRAY_FAST, CMD_READ_ARRAY_SLOW, CMD_READ_FAST_DUAL_IO, CMD_READ_FAST_DUAL_OUTPUT, CONFIG, spi_slave::ctrlr, do_dual_io_cmd(), do_dual_output_cmd(), do_spi_flash_cmd(), spi_flash::dual_io, spi_flash::dual_output, spi_flash::flags, offset, printk, spi_flash::spi, spi_crop_chunk(), spi_flash_addr(), and spi_ctrlr::xfer_dual.

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spi_flash_cmd_status()

int spi_flash_cmd_status	(	const struct spi_flash *	flash,
		u8 *	reg
	)

Definition at line 276 of file spi_flash.c.

References spi_flash::spi, spi_flash_cmd(), and spi_flash::status_cmd.

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spi_flash_cmd_wait_ready()

int spi_flash_cmd_wait_ready	(	const struct spi_flash *	flash,
		unsigned long	timeout
	)

Definition at line 221 of file spi_flash.c.

References CMD_READ_STATUS, spi_flash_cmd_poll_bit(), and STATUS_WIP.

Referenced by spi_flash_cmd_erase(), spi_flash_cmd_write_page_program(), sst_byte_write(), sst_write_ai(), and winbond_flash_cmd_status().

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spi_flash_cmd_write()

int spi_flash_cmd_write	(	const struct spi_slave *	spi,
		const u8 *	cmd,
		size_t	cmd_len,
		const void *	data,
		size_t	data_len
	)

Definition at line 122 of file spi_flash.c.

References BIOS_WARNING, do_spi_flash_cmd(), memcpy(), NULL, and printk.

Referenced by spi_flash_cmd_erase(), spi_flash_cmd_write_page_program(), sst_byte_write(), sst_write_ai(), and winbond_flash_cmd_status().

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spi_flash_cmd_write_page_program()

int spi_flash_cmd_write_page_program	(	const struct spi_flash *	flash,
		u32	offset,
		size_t	len,
		const void *	buf
	)

Definition at line 281 of file spi_flash.c.

References BIOS_SPEW, BIOS_WARNING, buf, CONFIG, MIN, NULL, offset, spi_flash::page_size, spi_flash::pp_cmd, printk, spi_flash::spi, spi_crop_chunk(), spi_flash_addr(), spi_flash_cmd(), spi_flash_cmd_wait_ready(), spi_flash_cmd_write(), SPI_FLASH_PROG_TIMEOUT_MS, and spi_flash::wren_cmd.

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stmicro_release_deep_sleep_identify()

int stmicro_release_deep_sleep_identify	(	const struct spi_slave *	spi,
		u8 *	idcode
	)

Definition at line 195 of file stmicro.c.

Referenced by spi_flash_generic_probe().

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Variable Documentation

spi_flash_adesto_vi

const struct spi_flash_vendor_info spi_flash_adesto_vi

extern

Definition at line 1 of file adesto.c.

spi_flash_amic_vi

const struct spi_flash_vendor_info spi_flash_amic_vi

extern

Definition at line 1 of file amic.c.

spi_flash_atmel_vi

const struct spi_flash_vendor_info spi_flash_atmel_vi

extern

Definition at line 1 of file atmel.c.

spi_flash_eon_vi

const struct spi_flash_vendor_info spi_flash_eon_vi

extern

Definition at line 1 of file eon.c.

spi_flash_gigadevice_vi

const struct spi_flash_vendor_info spi_flash_gigadevice_vi

extern

Definition at line 1 of file gigadevice.c.

spi_flash_macronix_vi

const struct spi_flash_vendor_info spi_flash_macronix_vi

extern

Definition at line 1 of file macronix.c.

spi_flash_pp_0x20_sector_desc

const struct spi_flash_ops_descriptor spi_flash_pp_0x20_sector_desc

extern

Definition at line 745 of file spi_flash.c.

spi_flash_pp_0xd8_sector_desc

const struct spi_flash_ops_descriptor spi_flash_pp_0xd8_sector_desc

extern

Definition at line 745 of file spi_flash.c.

spi_flash_spansion_ext1_vi

const struct spi_flash_vendor_info spi_flash_spansion_ext1_vi

extern

Definition at line 1 of file spansion.c.

spi_flash_spansion_ext2_vi

const struct spi_flash_vendor_info spi_flash_spansion_ext2_vi

extern

Definition at line 1 of file spansion.c.

spi_flash_spansion_vi

const struct spi_flash_vendor_info spi_flash_spansion_vi

extern

Definition at line 1 of file spansion.c.

spi_flash_sst_ai_vi

const struct spi_flash_vendor_info spi_flash_sst_ai_vi

extern

Definition at line 209 of file sst.c.

spi_flash_sst_vi

const struct spi_flash_vendor_info spi_flash_sst_vi

extern

Definition at line 209 of file sst.c.

spi_flash_stmicro1_vi

const struct spi_flash_vendor_info spi_flash_stmicro1_vi

extern

Definition at line 195 of file stmicro.c.

spi_flash_stmicro2_vi

const struct spi_flash_vendor_info spi_flash_stmicro2_vi

extern

Definition at line 195 of file stmicro.c.

spi_flash_stmicro3_vi

const struct spi_flash_vendor_info spi_flash_stmicro3_vi

extern

Definition at line 195 of file stmicro.c.

spi_flash_stmicro4_vi

const struct spi_flash_vendor_info spi_flash_stmicro4_vi

extern

Definition at line 195 of file stmicro.c.

spi_flash_winbond_vi

const struct spi_flash_vendor_info spi_flash_winbond_vi

extern

Definition at line 438 of file winbond.c.