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Add a SPI command class to struct flashchip

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By default, we want to probe for SPI25 chips only. Other SPI use cases,
like the ENE/EDI protocol, might use commands that can confuse these
common chips.

Now, flashrom will probe for a chip only if one of these conditions is
true:
1) no chip has been specified AND the chip uses the SPI25 commands
2) this chip has been specified by -c | --chip <chipname>

The CLI can later be extended to probe for a specific class of chips.

Change-Id: I89a53ccaef2791a2ac32904d7ab813da7478a6f0
Signed-off-by: Mike Banon <mikebdp2@gmail.com>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/23262
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Kocialkowski <contact@paulk.fr>
This commit is contained in:
Mike Banon
2018-01-15 01:10:00 +03:00
committed by Nico Huber
parent 305a2b3ed3
commit 31b5e3bfe6
2 changed files with 14 additions and 0 deletions
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3
flashrom.c
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@ -1209,6 +1209,9 @@ int probe_flash(struct registered_master *mst, int startchip, struct flashctx *f
buses_common = mst->buses_supported & chip->bustype;
if (!buses_common)
continue;
/* Only probe for SPI25 chips by default. */
if (chip->bustype == BUS_SPI && !chip_to_probe && chip->spi_cmd_set != SPI25)
continue;
msg_gdbg("Probing for %s %s, %d kB: ", chip->vendor, chip->name, chip->total_size);
if (!chip->probe && !force) {
msg_gdbg("failed! flashrom has no probe function for this flash chip.\n");