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Massive speedups for SST25VF032B and SST25VF064C

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Use AAI write for SST SST25VF032B.
Speedup from 228 to 113 seconds.

Use page (256 byte) write for SST SST25VF064C.
Speedup from 3091 to 123 seconds.

Corresponding to flashrom svn r1194.

Signed-off-by: Helge Wagner <helge.wagner@ge.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Helge Wagner
2010-10-05 22:29:08 +00:00
committed by Carl-Daniel Hailfinger
parent 738e252112
commit 1db7a448b3
3 changed files with 20 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
spi25.c
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@ -1300,7 +1300,7 @@ int spi_chip_write_1(struct flashchip *flash, uint8_t *buf)
return spi_chip_write_1_new(flash, buf, 0, flash->total_size * 1024);
}
int spi_aai_write(struct flashchip *flash, uint8_t *buf, int start, int len)
int spi_aai_write_new(struct flashchip *flash, uint8_t *buf, int start, int len)
{
uint32_t pos = start;
int result;
@ -1391,3 +1391,17 @@ int spi_aai_write(struct flashchip *flash, uint8_t *buf, int start, int len)
spi_write_disable();
return 0;
}
int spi_aai_write(struct flashchip *flash, uint8_t *buf)
{
/* Erase first */
msg_cinfo("Erasing flash before programming... ");
if (erase_flash(flash)) {
msg_cerr("ERASE FAILED!\n");
return -1;
}
msg_cinfo("done.\n");
return spi_aai_write_new(flash, buf, 0, flash->total_size * 1024);
}