From cbf563cbde925dae6971c7df305493a638de51c6 Mon Sep 17 00:00:00 2001 From: Carl-Daniel Hailfinger Date: Tue, 16 Jun 2009 08:55:44 +0000 Subject: Support reads of arbitrary range That means you can tell flashrom to read exactly bytes 12345-56789 (start 12345, length 44445) and it will not fetch a single byte more. Uwe tested this on one LPC, one SPI, and one parallel flash board. Corresponding to flashrom svn r596. Signed-off-by: Carl-Daniel Hailfinger Acked-by: Uwe Hermann --- flash.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'flash.h') diff --git a/flash.h b/flash.h index 97e0778..be95bf9 100644 --- a/flash.h +++ b/flash.h @@ -167,7 +167,7 @@ struct flashchip { int probe_timing; int (*erase) (struct flashchip *flash); int (*write) (struct flashchip *flash, uint8_t *buf); - int (*read) (struct flashchip *flash, uint8_t *buf); + int (*read) (struct flashchip *flash, uint8_t *buf, int start, int len); /* Some flash devices have an additional register space. */ chipaddr virtual_memory; @@ -362,7 +362,7 @@ extern struct pcidev_status satas_sii[]; extern int verbose; #define printf_debug(x...) { if (verbose) printf(x); } void map_flash_registers(struct flashchip *flash); -int read_memmapped(struct flashchip *flash, uint8_t *buf); +int read_memmapped(struct flashchip *flash, uint8_t *buf, int start, int len); int min(int a, int b); int max(int a, int b); int check_erased_range(struct flashchip *flash, int start, int len); @@ -408,13 +408,13 @@ int spi_block_erase_52(const struct flashchip *flash, unsigned long addr); int spi_block_erase_d8(const struct flashchip *flash, unsigned long addr); int spi_chip_write_1(struct flashchip *flash, uint8_t *buf); int spi_chip_write_256(struct flashchip *flash, uint8_t *buf); -int spi_chip_read(struct flashchip *flash, uint8_t *buf); +int spi_chip_read(struct flashchip *flash, uint8_t *buf, int start, int len); uint8_t spi_read_status_register(void); int spi_disable_blockprotect(void); void spi_byte_program(int address, uint8_t byte); int spi_nbyte_program(int address, uint8_t *bytes, int len); int spi_nbyte_read(int address, uint8_t *bytes, int len); -int spi_read_chunked(struct flashchip *flash, uint8_t *buf, int chunksize); +int spi_read_chunked(struct flashchip *flash, uint8_t *buf, int start, int len, int chunksize); int spi_aai_write(struct flashchip *flash, uint8_t *buf); uint32_t spi_get_valid_read_addr(void); @@ -440,7 +440,7 @@ int write_en29f002a(struct flashchip *flash, uint8_t *buf); int ich_init_opcodes(void); int ich_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); -int ich_spi_read(struct flashchip *flash, uint8_t * buf); +int ich_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); int ich_spi_write_256(struct flashchip *flash, uint8_t * buf); /* it87spi.c */ @@ -451,14 +451,14 @@ int it87spi_init(void); int it87xx_probe_spi_flash(const char *name); int it8716f_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); -int it8716f_spi_chip_read(struct flashchip *flash, uint8_t *buf); +int it8716f_spi_chip_read(struct flashchip *flash, uint8_t *buf, int start, int len); int it8716f_spi_chip_write_1(struct flashchip *flash, uint8_t *buf); int it8716f_spi_chip_write_256(struct flashchip *flash, uint8_t *buf); /* sb600spi.c */ int sb600_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); -int sb600_spi_read(struct flashchip *flash, uint8_t *buf); +int sb600_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); int sb600_spi_write_1(struct flashchip *flash, uint8_t *buf); uint8_t sb600_read_status_register(void); extern uint8_t *sb600_spibar; @@ -557,7 +557,7 @@ int write_49f002(struct flashchip *flash, uint8_t *buf); int wbsio_check_for_spi(const char *name); int wbsio_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); -int wbsio_spi_read(struct flashchip *flash, uint8_t *buf); +int wbsio_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); int wbsio_spi_write_1(struct flashchip *flash, uint8_t *buf); /* stm50flw0x0x.c */ -- cgit v1.1