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mirror of https://review.coreboot.org/flashrom.git synced 2025-07-02 22:43:17 +02:00

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 <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
This commit is contained in:
Carl-Daniel Hailfinger
2009-06-16 08:55:44 +00:00
parent 30f7cb2f3c
commit cbf563cbde
7 changed files with 48 additions and 35 deletions

View File

@ -647,14 +647,14 @@ static int ich_spi_write_page(struct flashchip *flash, uint8_t * bytes,
return 0;
}
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 maxdata = 64;
if (spi_controller == SPI_CONTROLLER_VIA)
maxdata = 16;
return spi_read_chunked(flash, buf, maxdata);
return spi_read_chunked(flash, buf, start, len, maxdata);
}
int ich_spi_write_256(struct flashchip *flash, uint8_t * buf)