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# SPDX-License-Identifier: GPL-2.0-only
config MTD_PARSER_IMAGETAG
tristate "Parser for BCM963XX Image Tag format partitions"
depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
select CRC32
help
Image Tag is the firmware header used by broadcom on their xDSL line
of devices. It is used to describe the offsets and lengths of kernel
and rootfs partitions.
This driver adds support for parsing a partition with an Image Tag
header and creates up to two partitions, kernel and rootfs.
config MTD_AFS_PARTS
tristate "ARM Firmware Suite partition parsing"
depends on (ARM || ARM64)
help
The ARM Firmware Suite allows the user to divide flash devices into
multiple 'images'. Each such image has a header containing its name
and offset/size etc.
If you need code which can detect and parse these tables, and
register MTD 'partitions' corresponding to each image detected,
enable this option.
You will still need the parsing functions to be called by the driver
for your particular device. It won't happen automatically. The
'physmap' map driver (CONFIG_MTD_PHYSMAP) does this, for example.
config MTD_PARSER_TRX
tristate "Parser for TRX format partitions"
depends on MTD && (BCM47XX || ARCH_BCM_5301X || COMPILE_TEST)
help
TRX is a firmware format used by Broadcom on their devices. It
may contain up to 3/4 partitions (depending on the version).
This driver will parse TRX header and report at least two partitions:
kernel and rootfs.
config MTD_SHARPSL_PARTS
tristate "Sharp SL Series NAND flash partition parser"
depends on MTD_NAND_SHARPSL || MTD_NAND_TMIO || COMPILE_TEST
help
This provides the read-only FTL logic necessary to read the partition
table from the NAND flash of Sharp SL Series (Zaurus) and the MTD
partition parser using this code.
config MTD_REDBOOT_PARTS
tristate "RedBoot partition table parsing"
help
RedBoot is a ROM monitor and bootloader which deals with multiple
'images' in flash devices by putting a table one of the erase
blocks on the device, similar to a partition table, which gives
the offsets, lengths and names of all the images stored in the
flash.
If you need code which can detect and parse this table, and register
MTD 'partitions' corresponding to each image in the table, enable
this option.
You will still need the parsing functions to be called by the driver
for your particular device. It won't happen automatically. The
SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for
example.
if MTD_REDBOOT_PARTS
config MTD_REDBOOT_DIRECTORY_BLOCK
int "Location of RedBoot partition table"
default "-1"
help
This option is the Linux counterpart to the
CYGNUM_REDBOOT_FIS_DIRECTORY_BLOCK RedBoot compile time
option.
The option specifies which Flash sectors holds the RedBoot
partition table. A zero or positive value gives an absolute
erase block number. A negative value specifies a number of
sectors before the end of the device.
For example "2" means block number 2, "-1" means the last
block and "-2" means the penultimate block.
config MTD_REDBOOT_PARTS_UNALLOCATED
bool "Include unallocated flash regions"
help
If you need to register each unallocated flash region as a MTD
'partition', enable this option.
config MTD_REDBOOT_PARTS_READONLY
bool "Force read-only for RedBoot system images"
help
If you need to force read-only for 'RedBoot', 'RedBoot Config' and
'FIS directory' images, enable this option.
endif # MTD_REDBOOT_PARTS
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