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A NULL func pointer is necessary and sufficient for the
condition `NULL func pointer => fallback_chip_X' as to not
need this explicit specification.
Therefore drop the explicit need to specify these fallback
callback function pointer in the par_master struct.
This is a reasonable default for every driver in the tree.
Furthermore, move the 'fallback_chip_X()' func from the
generic programmer.c register logic into its relevant
home of parallel.c and make static local to clean up
link-time symbol space.
This simplifies the code and driver development.
Change-Id: If25c0048a07057aa72be6ffa8d8ad7f0a568dcf7
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/71745
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The fallback_{un}map() boilerplate code doesn't do anything,
merely distracts away from otherwise linear control flow. Just
drop it as anything in the future that could need such a thing
is free to implement it when required.
Change-Id: Ibb7760f807fae040416cef2797a7dbf6572f7df9
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/68963
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
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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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This is analogous to spi.c and opaque.c however parallel
logic was previously never consoldiated.
This free's up flashrom.c from namespace pollution.
BUG=b:242246291
TEST=builds with both make and meson.
Change-Id: Ie08e2e6c51ccef5281386bf7e3df439b91573974
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/66651
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Thomas Heijligen <src@posteo.de>
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