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ichspi: Do not attempt to map physical memory for hwseq

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ICH hwseq does not need to actually mmap flash, and this fails for
flash chips >16 MB, since only the top 16 MB is mapped into the address
space.

Test: Read and write flash on ICH hwseq with 32 MB flash chip.

Change-Id: Ie698071c3181e988f10b750b0e50c9700efaa1a3
Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/68090
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Jonathon Hall 2022-10-03 16:12:11 -04:00 committed by Angel Pons
parent 5afd4aeece
commit 277b3fa670
1 changed files with 0 additions and 2 deletions
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ichspi.c
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@ -1794,8 +1794,6 @@ static const struct spi_master spi_master_ich9 = {
};
static const struct opaque_master opaque_master_ich_hwseq = {
.map_flash_region = physmap,
.unmap_flash_region = physunmap,
.max_data_read = 64,
.max_data_write = 64,
.probe = ich_hwseq_probe,