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Cleanly validate ICH SPI preopcodes

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The code should work on Linux/*BSD/MacOSX and relies on the serial code
implementation in serial.c. Support for additional platforms (Windows)
will have to be added to serial.c for this to work. For tests without a
Bus Pirate (or with non-functional serial code) it is possible to
#define FAKE_COMMUNICATION in buspirate_spi.c.
Thanks to Sean Nelson for the SPI mode settings code. I tweaked it a bit
to make configuration from a commandline easier should anybody want that
feature.

Tested-by: Sean Nelson <audiohacked@gmail.com>

Corresponding to flashrom svn r772.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Sean Nelson <audiohacked@gmail.com>
This commit is contained in:
Carl-Daniel Hailfinger
2009-11-24 00:20:03 +00:00
parent e51ea10a88
commit 5cca01f394
6 changed files with 413 additions and 1 deletions
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19
flashrom.c
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@ -204,6 +204,25 @@ const struct programmer_entry programmer_table[] = {
},
#endif
#if BUSPIRATE_SPI_SUPPORT == 1
{
.name = "buspiratespi",
.init = buspirate_spi_init,
.shutdown = buspirate_spi_shutdown,
.map_flash_region = fallback_map,
.unmap_flash_region = fallback_unmap,
.chip_readb = noop_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = noop_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
.delay = internal_delay,
},
#endif
{}, /* This entry corresponds to PROGRAMMER_INVALID. */
};