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1# SPDX-License-Identifier: GPL-2.0-only
2config MTD_BCM47XX_PARTS
3 tristate "BCM47XX partitioning parser"
4 depends on BCM47XX || ARCH_BCM_5301X
5 help
6 This provides partitions parser for devices based on BCM47xx
7 boards.
8
9config MTD_BCM63XX_PARTS
10 bool "BCM63XX CFE partitioning parser"
11 depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
12 select CRC32
13 select MTD_PARSER_IMAGETAG
14 help
15 This provides partition parsing for BCM63xx devices with CFE
16 bootloaders.
17
18config MTD_BRCM_U_BOOT
19 tristate "Broadcom's U-Boot partition parser"
20 depends on ARCH_BCMBCA || COMPILE_TEST
21 help
22 Broadcom uses a custom way of storing U-Boot environment variables.
23 They are placed inside U-Boot partition itself at unspecified offset.
24 It's possible to locate them by looking for a custom header with a
25 magic value. This driver does that and creates subpartitions for
26 each found environment variables block.
27
28config MTD_CMDLINE_PARTS
29 tristate "Command line partition table parsing"
30 depends on MTD
31 help
32 Allow generic configuration of the MTD partition tables via the kernel
33 command line. Multiple flash resources are supported for hardware where
34 different kinds of flash memory are available.
35
36 You will still need the parsing functions to be called by the driver
37 for your particular device. It won't happen automatically. The
38 SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for
39 example.
40
41 The format for the command line is as follows:
42
43 mtdparts=<mtddef>[;<mtddef]
44 <mtddef> := <mtd-id>:<partdef>[,<partdef>]
45 <partdef> := <size>[@offset][<name>][ro]
46 <mtd-id> := unique id used in mapping driver/device
47 <size> := standard linux memsize OR "-" to denote all
48 remaining space
49 <name> := (NAME)
50
51 Due to the way Linux handles the command line, no spaces are
52 allowed in the partition definition, including mtd id's and partition
53 names.
54
55 Examples:
56
57 1 flash resource (mtd-id "sa1100"), with 1 single writable partition:
58 mtdparts=sa1100:-
59
60 Same flash, but 2 named partitions, the first one being read-only:
61 mtdparts=sa1100:256k(ARMboot)ro,-(root)
62
63 If unsure, say 'N'.
64
65config MTD_OF_PARTS
66 tristate "OpenFirmware (device tree) partitioning parser"
67 default y
68 depends on OF
69 help
70 This provides a open firmware device tree partition parser
71 which derives the partition map from the children of the
72 flash memory node, as described in
73 Documentation/devicetree/bindings/mtd/mtd.yaml.
74
75config MTD_OF_PARTS_BCM4908
76 bool "BCM4908 partitioning support"
77 depends on MTD_OF_PARTS && (ARCH_BCMBCA || COMPILE_TEST)
78 default ARCH_BCMBCA
79 help
80 This provides partitions parser for BCM4908 family devices
81 that can have multiple "firmware" partitions. It takes care of
82 finding currently used one and backup ones.
83
84config MTD_OF_PARTS_LINKSYS_NS
85 bool "Linksys Northstar partitioning support"
86 depends on MTD_OF_PARTS && (ARCH_BCM_5301X || ARCH_BCMBCA || COMPILE_TEST)
87 default ARCH_BCM_5301X
88 help
89 This provides partitions parser for Linksys devices based on Broadcom
90 Northstar architecture. Linksys commonly uses fixed flash layout with
91 two "firmware" partitions. Currently used firmware has to be detected
92 using CFE environment variable.
93
94config MTD_PARSER_IMAGETAG
95 tristate "Parser for BCM963XX Image Tag format partitions"
96 depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
97 select CRC32
98 help
99 Image Tag is the firmware header used by broadcom on their xDSL line
100 of devices. It is used to describe the offsets and lengths of kernel
101 and rootfs partitions.
102 This driver adds support for parsing a partition with an Image Tag
103 header and creates up to two partitions, kernel and rootfs.
104
105config MTD_AFS_PARTS
106 tristate "ARM Firmware Suite partition parsing"
107 depends on (ARM || ARM64)
108 help
109 The ARM Firmware Suite allows the user to divide flash devices into
110 multiple 'images'. Each such image has a header containing its name
111 and offset/size etc.
112
113 If you need code which can detect and parse these tables, and
114 register MTD 'partitions' corresponding to each image detected,
115 enable this option.
116
117 You will still need the parsing functions to be called by the driver
118 for your particular device. It won't happen automatically. The
119 'physmap' map driver (CONFIG_MTD_PHYSMAP) does this, for example.
120
121config MTD_PARSER_TPLINK_SAFELOADER
122 tristate "TP-Link Safeloader partitions parser"
123 depends on MTD && (ARCH_BCM_5301X || ATH79 || SOC_MT7620 || SOC_MT7621 || COMPILE_TEST)
124 help
125 TP-Link home routers use flash partitions to store various data. Info
126 about flash space layout is stored in a partitions table using a
127 custom ASCII-based format.
128
129 That format was first found in devices with SafeLoader bootloader and
130 was named after it. Later it was adapted to CFE and U-Boot
131 bootloaders.
132
133 This driver reads partitions table, parses it and creates MTD
134 partitions.
135
136config MTD_PARSER_TRX
137 tristate "Parser for TRX format partitions"
138 depends on MTD && (BCM47XX || ARCH_BCM_5301X || ARCH_MEDIATEK || RALINK || COMPILE_TEST)
139 help
140 TRX is a firmware format used by Broadcom on their devices. It
141 may contain up to 3/4 partitions (depending on the version).
142 This driver will parse TRX header and report at least two partitions:
143 kernel and rootfs.
144
145config MTD_SHARPSL_PARTS
146 tristate "Sharp SL Series NAND flash partition parser"
147 depends on MTD_NAND_SHARPSL || COMPILE_TEST
148 help
149 This provides the read-only FTL logic necessary to read the partition
150 table from the NAND flash of Sharp SL Series (Zaurus) and the MTD
151 partition parser using this code.
152
153config MTD_REDBOOT_PARTS
154 tristate "RedBoot partition table parsing"
155 help
156 RedBoot is a ROM monitor and bootloader which deals with multiple
157 'images' in flash devices by putting a table one of the erase
158 blocks on the device, similar to a partition table, which gives
159 the offsets, lengths and names of all the images stored in the
160 flash.
161
162 If you need code which can detect and parse this table, and register
163 MTD 'partitions' corresponding to each image in the table, enable
164 this option.
165
166 You will still need the parsing functions to be called by the driver
167 for your particular device. It won't happen automatically. The
168 SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for
169 example.
170
171if MTD_REDBOOT_PARTS
172
173config MTD_REDBOOT_DIRECTORY_BLOCK
174 int "Location of RedBoot partition table"
175 default "-1"
176 help
177 This option is the Linux counterpart to the
178 CYGNUM_REDBOOT_FIS_DIRECTORY_BLOCK RedBoot compile time
179 option.
180
181 The option specifies which Flash sectors holds the RedBoot
182 partition table. A zero or positive value gives an absolute
183 erase block number. A negative value specifies a number of
184 sectors before the end of the device.
185
186 For example "2" means block number 2, "-1" means the last
187 block and "-2" means the penultimate block.
188
189config MTD_REDBOOT_PARTS_UNALLOCATED
190 bool "Include unallocated flash regions"
191 help
192 If you need to register each unallocated flash region as a MTD
193 'partition', enable this option.
194
195config MTD_REDBOOT_PARTS_READONLY
196 bool "Force read-only for RedBoot system images"
197 help
198 If you need to force read-only for 'RedBoot', 'RedBoot Config' and
199 'FIS directory' images, enable this option.
200
201endif # MTD_REDBOOT_PARTS
202
203config MTD_QCOMSMEM_PARTS
204 tristate "Qualcomm SMEM flash partition parser"
205 depends on QCOM_SMEM
206 help
207 This provides support for parsing partitions from Shared Memory (SMEM)
208 for NAND and SPI flash on Qualcomm platforms.
209
210config MTD_SERCOMM_PARTS
211 tristate "Sercomm partition table parser"
212 depends on MTD && RALINK
213 help
214 This provides partitions table parser for devices with Sercomm
215 partition map. This partition table contains real partition
216 offsets, which may differ from device to device depending on the
217 number and location of bad blocks on NAND.
1# SPDX-License-Identifier: GPL-2.0-only
2config MTD_AR7_PARTS
3 tristate "TI AR7 partitioning parser"
4 help
5 TI AR7 partitioning parser support
6
7config MTD_BCM47XX_PARTS
8 tristate "BCM47XX partitioning parser"
9 depends on BCM47XX || ARCH_BCM_5301X
10 help
11 This provides partitions parser for devices based on BCM47xx
12 boards.
13
14config MTD_BCM63XX_PARTS
15 bool "BCM63XX CFE partitioning parser"
16 depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
17 select CRC32
18 select MTD_PARSER_IMAGETAG
19 help
20 This provides partition parsing for BCM63xx devices with CFE
21 bootloaders.
22
23config MTD_CMDLINE_PARTS
24 tristate "Command line partition table parsing"
25 depends on MTD
26 help
27 Allow generic configuration of the MTD partition tables via the kernel
28 command line. Multiple flash resources are supported for hardware where
29 different kinds of flash memory are available.
30
31 You will still need the parsing functions to be called by the driver
32 for your particular device. It won't happen automatically. The
33 SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for
34 example.
35
36 The format for the command line is as follows:
37
38 mtdparts=<mtddef>[;<mtddef]
39 <mtddef> := <mtd-id>:<partdef>[,<partdef>]
40 <partdef> := <size>[@offset][<name>][ro]
41 <mtd-id> := unique id used in mapping driver/device
42 <size> := standard linux memsize OR "-" to denote all
43 remaining space
44 <name> := (NAME)
45
46 Due to the way Linux handles the command line, no spaces are
47 allowed in the partition definition, including mtd id's and partition
48 names.
49
50 Examples:
51
52 1 flash resource (mtd-id "sa1100"), with 1 single writable partition:
53 mtdparts=sa1100:-
54
55 Same flash, but 2 named partitions, the first one being read-only:
56 mtdparts=sa1100:256k(ARMboot)ro,-(root)
57
58 If unsure, say 'N'.
59
60config MTD_OF_PARTS
61 tristate "OpenFirmware (device tree) partitioning parser"
62 default y
63 depends on OF
64 help
65 This provides a open firmware device tree partition parser
66 which derives the partition map from the children of the
67 flash memory node, as described in
68 Documentation/devicetree/bindings/mtd/partition.txt.
69
70config MTD_OF_PARTS_BCM4908
71 bool "BCM4908 partitioning support"
72 depends on MTD_OF_PARTS && (ARCH_BCM4908 || COMPILE_TEST)
73 default ARCH_BCM4908
74 help
75 This provides partitions parser for BCM4908 family devices
76 that can have multiple "firmware" partitions. It takes care of
77 finding currently used one and backup ones.
78
79config MTD_OF_PARTS_LINKSYS_NS
80 bool "Linksys Northstar partitioning support"
81 depends on MTD_OF_PARTS && (ARCH_BCM_5301X || ARCH_BCM4908 || COMPILE_TEST)
82 default ARCH_BCM_5301X
83 help
84 This provides partitions parser for Linksys devices based on Broadcom
85 Northstar architecture. Linksys commonly uses fixed flash layout with
86 two "firmware" partitions. Currently used firmware has to be detected
87 using CFE environment variable.
88
89config MTD_PARSER_IMAGETAG
90 tristate "Parser for BCM963XX Image Tag format partitions"
91 depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
92 select CRC32
93 help
94 Image Tag is the firmware header used by broadcom on their xDSL line
95 of devices. It is used to describe the offsets and lengths of kernel
96 and rootfs partitions.
97 This driver adds support for parsing a partition with an Image Tag
98 header and creates up to two partitions, kernel and rootfs.
99
100config MTD_AFS_PARTS
101 tristate "ARM Firmware Suite partition parsing"
102 depends on (ARM || ARM64)
103 help
104 The ARM Firmware Suite allows the user to divide flash devices into
105 multiple 'images'. Each such image has a header containing its name
106 and offset/size etc.
107
108 If you need code which can detect and parse these tables, and
109 register MTD 'partitions' corresponding to each image detected,
110 enable this option.
111
112 You will still need the parsing functions to be called by the driver
113 for your particular device. It won't happen automatically. The
114 'physmap' map driver (CONFIG_MTD_PHYSMAP) does this, for example.
115
116config MTD_PARSER_TRX
117 tristate "Parser for TRX format partitions"
118 depends on MTD && (BCM47XX || ARCH_BCM_5301X || ARCH_MEDIATEK || COMPILE_TEST)
119 help
120 TRX is a firmware format used by Broadcom on their devices. It
121 may contain up to 3/4 partitions (depending on the version).
122 This driver will parse TRX header and report at least two partitions:
123 kernel and rootfs.
124
125config MTD_SHARPSL_PARTS
126 tristate "Sharp SL Series NAND flash partition parser"
127 depends on MTD_NAND_SHARPSL || MTD_NAND_TMIO || COMPILE_TEST
128 help
129 This provides the read-only FTL logic necessary to read the partition
130 table from the NAND flash of Sharp SL Series (Zaurus) and the MTD
131 partition parser using this code.
132
133config MTD_REDBOOT_PARTS
134 tristate "RedBoot partition table parsing"
135 help
136 RedBoot is a ROM monitor and bootloader which deals with multiple
137 'images' in flash devices by putting a table one of the erase
138 blocks on the device, similar to a partition table, which gives
139 the offsets, lengths and names of all the images stored in the
140 flash.
141
142 If you need code which can detect and parse this table, and register
143 MTD 'partitions' corresponding to each image in the table, enable
144 this option.
145
146 You will still need the parsing functions to be called by the driver
147 for your particular device. It won't happen automatically. The
148 SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for
149 example.
150
151if MTD_REDBOOT_PARTS
152
153config MTD_REDBOOT_DIRECTORY_BLOCK
154 int "Location of RedBoot partition table"
155 default "-1"
156 help
157 This option is the Linux counterpart to the
158 CYGNUM_REDBOOT_FIS_DIRECTORY_BLOCK RedBoot compile time
159 option.
160
161 The option specifies which Flash sectors holds the RedBoot
162 partition table. A zero or positive value gives an absolute
163 erase block number. A negative value specifies a number of
164 sectors before the end of the device.
165
166 For example "2" means block number 2, "-1" means the last
167 block and "-2" means the penultimate block.
168
169config MTD_REDBOOT_PARTS_UNALLOCATED
170 bool "Include unallocated flash regions"
171 help
172 If you need to register each unallocated flash region as a MTD
173 'partition', enable this option.
174
175config MTD_REDBOOT_PARTS_READONLY
176 bool "Force read-only for RedBoot system images"
177 help
178 If you need to force read-only for 'RedBoot', 'RedBoot Config' and
179 'FIS directory' images, enable this option.
180
181endif # MTD_REDBOOT_PARTS
182
183config MTD_QCOMSMEM_PARTS
184 tristate "Qualcomm SMEM flash partition parser"
185 depends on QCOM_SMEM
186 help
187 This provides support for parsing partitions from Shared Memory (SMEM)
188 for NAND and SPI flash on Qualcomm platforms.