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Convert SPI chips to partial write

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However, wrap the write functions in a compat layer to allow converting
the rest of flashrom later. Tested on Intel NM10 by David Hendricks.

Corresponding to flashrom svn r1080.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
This commit is contained in:
Carl-Daniel Hailfinger
2010-07-14 16:19:05 +00:00
parent 1748c5701f
commit 9a795d83fb
13 changed files with 126 additions and 130 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
sb600spi.c
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@ -48,25 +48,10 @@ int sb600_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len)
return spi_read_chunked(flash, buf, start, len, 8);
}
/* FIXME: SB600 can write 5 bytes per transaction. */
int sb600_spi_write_1(struct flashchip *flash, uint8_t *buf)
int sb600_spi_write_256(struct flashchip *flash, uint8_t *buf, int start, int len)
{
int total_size = flash->total_size * 1024;
int result = 0;
spi_disable_blockprotect();
/* Erase first */
msg_pinfo("Erasing flash before programming... ");
if (erase_flash(flash)) {
msg_perr("ERASE FAILED!\n");
return -1;
}
msg_pinfo("done.\n");
msg_pinfo("Programming flash");
result = spi_write_chunked(flash, buf, 0, total_size, 5);
msg_pinfo(" done.\n");
return result;
return spi_write_chunked(flash, buf, start, len, 5);
}
static void reset_internal_fifo_pointer(void)