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Not all chips follow the same pattern. There are differences in how CMP
bit is treated or in block size used.
Change-Id: Ied7b27be2ee2426af8f473432e2b01a290de2365
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/66212
Reviewed-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This forges the way for flashchips.c to be pure declarative
data and lookup functions for dispatch to be pure. This
means that the flashchips data could be extracted out to
be agnostic data of the flashrom code and algorithms.
Change-Id: I02ae7e4c67c5bf34ec2fd7ffe4af8a2aba6fd5e5
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/69133
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Apart from the very bespoke case of 'probe_w29ee011()'
the override 'chip_to_probe' name is a nature parameter
to 'probe_flash()'. However we can deal with w29ee011
by providing a probe specific validation function to
check if the chip can indeed be overriden.
TEST=`./flashrom -p internal --flash-name`.
Change-Id: Ifcdace07ea2135d83dea92cfa5c6bec8d7ddf05d
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67091
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
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There is a function, spi_get_erasefn_from_opcode, which returns the
erase function for given opcode. Add a function which does the opposite
i.e. returns the opcode for given erase function.
Change-Id: Ia3aefc9b9465efdd16b1678bb2ada9a23f00d316
Signed-off-by: Aarya Chaumal <aarya.chaumal@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/65355
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Thomas Heijligen <src@posteo.de>
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These chips seem to be rather regular, supporting 2.7V..3.6V, the
common erase block sizes 4KiB, 32KiB, 64KiB and the usual block-
protection bits.
Status/configuration register naming differs from other vendors,
though. These chips have 2 status registers plus 3 configuration
registers. Configuration registers 1 & 2 match status registers
2 & 3 of what we are used from other vendors. Read opcodes match
too, however writes are always done through the WRSR instruction
which can write up to 4 bytes (SR1, CR1, CR2, CR3).
S25FL256L supports native 4BA commands and entering a 4BA mode.
However, it uses an unusual opcode (0x53) for the 32KiB 4BA block
erase.
Signed-off-by: Nico Huber <nico.h@gmx.de>
Change-Id: I356df6649f29e50879a4da4183f1164a81cb0a09
Reviewed-on: https://review.coreboot.org/c/flashrom/+/64747
Reviewed-by: Thomas Heijligen <src@posteo.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Wire "variable size" feature in dummy programmer via opaque infra.
This patch fixes the broken build with CONFIG_DUMMY=no.
Dummyflasher registers opaque master for the case when it is
initialised with EMULATE_VARIABLE_SIZE. Dummy opaque master emulates
read/write/erase as simple memory operations over
`data->flashchip_contents`.
The feature works via "Opaque flash chip" in flashchips.c which has
one block eraser at the moment. If this changes in future, each block
eraser needs to be updated in `probe_variable_size`.
Fixes: https://ticket.coreboot.org/issues/365
TEST=the following scenarious run successfully
Testing build
$ make clean && make CONFIG_DUMMY=no
$ flashrom -h : dummy is not in the list
$ make clean && make CONFIG_EVERYTHING=yes
$ flashrom -h : dummy is in the list
Testing "variable size" feature
$ flashrom -p dummy:size=8388608,emulate=VARIABLE_SIZE -V
$ flashrom -p dummy:size=8388608,emulate=VARIABLE_SIZE
-r /tmp/dump.bin -V
$ head -c 8388608 </dev/urandom >/tmp/image.bin
$ flashrom
-p dummy:image=/tmp/image.bin,size=8388608,emulate=VARIABLE_SIZE
-w /tmp/dump.bin -V
also same as above with erase_to_zero=yes
Testing standard flow
$ flashrom -p dummy:emulate=W25Q128FV -V
$ flashrom -p dummy:emulate=W25Q128FV -r /tmp/dump.bin -V
$ head -c 16777216 </dev/urandom >/tmp/image.bin
$ flashrom -p dummy:image=/tmp/image.bin,emulate=W25Q128FV
-w /tmp/dump.bin -V
Testing invalid combination of programmer params (`init_data` fails
and prints error message which is WAI)
$ flashrom -p dummy:size=8388608 -V
-> init_data: size parameter is only valid for VARIABLE_SIZE chip.
$ flashrom -p dummy:emulate=VARIABLE_SIZE -V
-> init_data: the size parameter is not given.
$ flashrom -p dummy:emulate=W25Q128FV,erase_to_zero=yes -V
-> init_data: erase_to_zero parameter is not valid for real chip.
Change-Id: I76402bfdf8b1a75489e4509fec92c9a777d0cf58
Signed-off-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/64488
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
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Move all header files to the new `include` directory.
Adapt include directives and build systems to the new directory.
Change-Id: Iaddd6bbfa0624b166d422f665877f096983bf4cf
Signed-off-by: Felix Singer <felix.singer@secunet.com>
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/58622
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
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