1 comment:
File src/drivers/mrc_cache/mrc_cache.c:
/* Read Write Protect GPIO if available */
wp_gpio = get_write_protect_state();
One problem that I can think of here is: when SW WP is enabled, but HW WP isn't. […]
Hmmm... +Hung-Te for updater expertise. Are we ever really overwriting the MRC cache regions anyway? They seem to be marked as PRESERVE in the FMAPs, so I think the updater should copy the old data into the new image before flashing, and then flashrom should detect that they're unchanged and never really issue a write command to the SPI controller.
I definitely think it would be worth finding some sort of solution for this so we don't have to carry around this one extra piece of coupling in every single board.
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