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Move (un)map_flash_region function pointers from programmer_entry to
par_master, spi_master, and opaque_master. This enables programmers to
specify a different mapper per bus, which is needed for the internal
programmer. Mapping is closely tied to the way the memory is accessed
using the other functions in the bus master structs.
Validate that FWH/LPC programmers provide specialized mapping in
register_par_master(); this is needed for chips with
FEATURE_REGISTERMAP, which only exist on FWH or LPC buses.
programmer.c: Update comment in fallback_map(), NULL return is the
desired behavior.
Test: Read firmware on SB600 Promontory mainboard (requires physmap)
Test: Read firmware externally with ft2232_spi
Test: Read firmware on ICH hwseq, verify physmap still occurs
Change-Id: I9c3df6ae260bcdb246dfb0cd8e043919609b014b
Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
Co-Authored-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67695
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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