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[deliverable/linux.git] / drivers / mtd / maps / Kconfig
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1menu "Mapping drivers for chip access"
2 depends on MTD!=n
9310da0b 3 depends on HAS_IOMEM
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4
5config MTD_COMPLEX_MAPPINGS
6 bool "Support non-linear mappings of flash chips"
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7 help
8 This causes the chip drivers to allow for complicated
9 paged mappings of flash chips.
10
11config MTD_PHYSMAP
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12 tristate "Flash device in physical memory map"
13 depends on MTD_CFI || MTD_JEDECPROBE || MTD_ROM || MTD_LPDDR
1da177e4 14 help
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15 This provides a 'mapping' driver which allows the NOR Flash and
16 ROM driver code to communicate with chips which are mapped
17 physically into the CPU's memory. You will need to configure
18 the physical address and size of the flash chips on your
19 particular board as well as the bus width, either statically
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20 with config options or at run-time.
21
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22 To compile this driver as a module, choose M here: the
23 module will be called physmap.
24
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25config MTD_PHYSMAP_COMPAT
26 bool "Physmap compat support"
27 depends on MTD_PHYSMAP
28 default n
29 help
30 Setup a simple mapping via the Kconfig options. Normally the
31 physmap configuration options are done via your board's
32 resource file.
33
34 If unsure, say N here.
35
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36config MTD_PHYSMAP_START
37 hex "Physical start address of flash mapping"
dcb3e137 38 depends on MTD_PHYSMAP_COMPAT
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39 default "0x8000000"
40 help
41 This is the physical memory location at which the flash chips
42 are mapped on your particular target board. Refer to the
43 memory map which should hopefully be in the documentation for
44 your board.
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45
46config MTD_PHYSMAP_LEN
47 hex "Physical length of flash mapping"
dcb3e137 48 depends on MTD_PHYSMAP_COMPAT
73566edf 49 default "0"
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50 help
51 This is the total length of the mapping of the flash chips on
52 your particular board. If there is space, or aliases, in the
53 physical memory map between the chips, this could be larger
54 than the total amount of flash present. Refer to the memory
55 map which should hopefully be in the documentation for your
56 board.
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57
58config MTD_PHYSMAP_BANKWIDTH
59 int "Bank width in octets"
dcb3e137 60 depends on MTD_PHYSMAP_COMPAT
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61 default "2"
62 help
63 This is the total width of the data bus of the flash devices
64 in octets. For example, if you have a data bus width of 32
01dd2fbf 65 bits, you would set the bus width octet value to 4. This is
1da177e4 66 used internally by the CFI drivers.
1da177e4 67
a2c2fe4b 68config MTD_PHYSMAP_OF
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69 tristate "Memory device in physical memory map based on OF description"
70 depends on OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM || MTD_RAM)
a2c2fe4b 71 help
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72 This provides a 'mapping' driver which allows the NOR Flash, ROM
73 and RAM driver code to communicate with chips which are mapped
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74 physically into the CPU's memory. The mapping description here is
75 taken from OF device tree.
76
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77config MTD_PHYSMAP_OF_VERSATILE
78 bool "Support ARM Versatile physmap OF"
79 depends on MTD_PHYSMAP_OF
80 depends on MFD_SYSCON
81 default y if (ARCH_INTEGRATOR || ARCH_VERSATILE || REALVIEW_DT)
82 help
83 This provides some extra DT physmap parsing for the ARM Versatile
84 platforms, basically to add a VPP (write protection) callback so
85 the flash can be taken out of write protection.
86
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87config MTD_PMC_MSP_EVM
88 tristate "CFI Flash device mapped on PMC-Sierra MSP"
89 depends on PMC_MSP && MTD_CFI
68aa0fa8 90 help
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91 This provides a 'mapping' driver which supports the way
92 in which user-programmable flash chips are connected on the
93 PMC-Sierra MSP eval/demo boards.
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94
95choice
01dd2fbf 96 prompt "Maximum mappable memory available for flash IO"
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97 depends on MTD_PMC_MSP_EVM
98 default MSP_FLASH_MAP_LIMIT_32M
99
100config MSP_FLASH_MAP_LIMIT_32M
101 bool "32M"
102
103endchoice
104
105config MSP_FLASH_MAP_LIMIT
106 hex
107 default "0x02000000"
108 depends on MSP_FLASH_MAP_LIMIT_32M
109
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110config MTD_SUN_UFLASH
111 tristate "Sun Microsystems userflash support"
e0e5de00 112 depends on SPARC && MTD_CFI && PCI
1da177e4 113 help
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114 This provides a 'mapping' driver which supports the way in
115 which user-programmable flash chips are connected on various
116 Sun Microsystems boardsets. This driver will require CFI support
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117 in the kernel, so if you did not enable CFI previously, do that now.
118
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119config MTD_SC520CDP
120 tristate "CFI Flash device mapped on AMD SC520 CDP"
3579ad41 121 depends on (MELAN || COMPILE_TEST) && MTD_CFI
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122 help
123 The SC520 CDP board has two banks of CFI-compliant chips and one
124 Dual-in-line JEDEC chip. This 'mapping' driver supports that
125 arrangement, implementing three MTD devices.
126
127config MTD_NETSC520
128 tristate "CFI Flash device mapped on AMD NetSc520"
3579ad41 129 depends on (MELAN || COMPILE_TEST) && MTD_CFI
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130 help
131 This enables access routines for the flash chips on the AMD NetSc520
69f34c98 132 demonstration board. If you have one of these boards and would like
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133 to use the flash chips on it, say 'Y'.
134
135config MTD_TS5500
136 tristate "JEDEC Flash device mapped on Technologic Systems TS-5500"
f4f6a0be 137 depends on TS5500 || COMPILE_TEST
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138 select MTD_JEDECPROBE
139 select MTD_CFI_AMDSTD
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140 help
141 This provides a driver for the on-board flash of the Technologic
e27a9960 142 System's TS-5500 board. The 2MB flash is split into 3 partitions
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143 which are accessed as separate MTD devices.
144
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145 mtd0 and mtd2 are the two BIOS drives, which use the resident
146 flash disk (RFD) flash translation layer.
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147
148 mtd1 allows you to reprogram your BIOS. BE VERY CAREFUL.
149
150 Note that jumper 3 ("Write Enable Drive A") must be set
4992a9e8 151 otherwise detection won't succeed.
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152
153config MTD_SBC_GXX
154 tristate "CFI Flash device mapped on Arcom SBC-GXx boards"
6a8a98b2 155 depends on X86 && MTD_CFI_INTELEXT && MTD_COMPLEX_MAPPINGS
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156 help
157 This provides a driver for the on-board flash of Arcom Control
158 Systems' SBC-GXn family of boards, formerly known as SBC-MediaGX.
159 By default the flash is split into 3 partitions which are accessed
160 as separate MTD devices. This board utilizes Intel StrataFlash.
161 More info at
162 <http://www.arcomcontrols.com/products/icp/pc104/processors/SBC_GX1.htm>.
163
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164config MTD_PXA2XX
165 tristate "CFI Flash device mapped on Intel XScale PXA2xx based boards"
166 depends on (PXA25x || PXA27x) && MTD_CFI_INTELEXT
cbec19ae 167 help
e644f7d6 168 This provides a driver for the NOR flash attached to a PXA2xx chip.
cbec19ae 169
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170config MTD_SCx200_DOCFLASH
171 tristate "Flash device mapped with DOCCS on NatSemi SCx200"
f6c11c18 172 depends on SCx200 && MTD_CFI
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173 help
174 Enable support for a flash chip mapped using the DOCCS signal on a
175 National Semiconductor SCx200 processor.
176
177 If you don't know what to do here, say N.
178
179 If compiled as a module, it will be called scx200_docflash.
180
181config MTD_AMD76XROM
182 tristate "BIOS flash chip on AMD76x southbridge"
183 depends on X86 && MTD_JEDECPROBE
184 help
185 Support for treating the BIOS flash chip on AMD76x motherboards
186 as an MTD device - with this you can reprogram your BIOS.
187
188 BE VERY CAREFUL.
189
190config MTD_ICHXROM
191 tristate "BIOS flash chip on Intel Controller Hub 2/3/4/5"
192 depends on X86 && MTD_JEDECPROBE
193 help
194 Support for treating the BIOS flash chip on ICHX motherboards
195 as an MTD device - with this you can reprogram your BIOS.
196
197 BE VERY CAREFUL.
198
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199config MTD_ESB2ROM
200 tristate "BIOS flash chip on Intel ESB Controller Hub 2"
dffbc42b 201 depends on X86 && MTD_JEDECPROBE && PCI
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202 help
203 Support for treating the BIOS flash chip on ESB2 motherboards
204 as an MTD device - with this you can reprogram your BIOS.
205
206 BE VERY CAREFUL.
207
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208config MTD_CK804XROM
209 tristate "BIOS flash chip on Nvidia CK804"
862c93b9 210 depends on X86 && MTD_JEDECPROBE && PCI
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211 help
212 Support for treating the BIOS flash chip on nvidia motherboards
213 as an MTD device - with this you can reprogram your BIOS.
214
215 BE VERY CAREFUL.
216
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217config MTD_SCB2_FLASH
218 tristate "BIOS flash chip on Intel SCB2 boards"
47d0505b 219 depends on X86 && MTD_JEDECPROBE && PCI
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220 help
221 Support for treating the BIOS flash chip on Intel SCB2 boards
222 as an MTD device - with this you can reprogram your BIOS.
223
224 BE VERY CAREFUL.
225
226config MTD_TSUNAMI
227 tristate "Flash chips on Tsunami TIG bus"
228 depends on ALPHA_TSUNAMI && MTD_COMPLEX_MAPPINGS
229 help
230 Support for the flash chip on Tsunami TIG bus.
231
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232config MTD_NETtel
233 tristate "CFI flash device on SnapGear/SecureEdge"
6a8a98b2 234 depends on X86 && MTD_JEDECPROBE
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235 help
236 Support for flash chips on NETtel/SecureEdge/SnapGear boards.
237
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238config MTD_LANTIQ
239 tristate "Lantiq SoC NOR support"
240 depends on LANTIQ
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241 help
242 Support for NOR flash attached to the Lantiq SoC's External Bus Unit.
243
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244config MTD_L440GX
245 tristate "BIOS flash chip on Intel L440GX boards"
246 depends on X86 && MTD_JEDECPROBE
247 help
248 Support for treating the BIOS flash chip on Intel L440GX motherboards
249 as an MTD device - with this you can reprogram your BIOS.
250
251 BE VERY CAREFUL.
252
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253config MTD_CFI_FLAGADM
254 tristate "CFI Flash device mapping on FlagaDM"
318157ab 255 depends on PPC_8xx && MTD_CFI
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256 help
257 Mapping for the Flaga digital module. If you don't have one, ignore
258 this setting.
259
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260config MTD_SOLUTIONENGINE
261 tristate "CFI Flash device mapped on Hitachi SolutionEngine"
7a6f4395 262 depends on SOLUTION_ENGINE && MTD_CFI && MTD_REDBOOT_PARTS
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263 help
264 This enables access to the flash chips on the Hitachi SolutionEngine and
265 similar boards. Say 'Y' if you are building a kernel for such a board.
266
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267config MTD_SA1100
268 tristate "CFI Flash device mapped on StrongARM SA11x0"
2fe2e24e 269 depends on MTD_CFI && ARCH_SA1100
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270 help
271 This enables access to the flash chips on most platforms based on
272 the SA1100 and SA1110, including the Assabet and the Compaq iPAQ.
273 If you have such a board, say 'Y'.
274
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275config MTD_DC21285
276 tristate "CFI Flash device mapped on DC21285 Footbridge"
01ac742d 277 depends on MTD_CFI && ARCH_FOOTBRIDGE && MTD_COMPLEX_MAPPINGS
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278 help
279 This provides a driver for the flash accessed using Intel's
280 21285 bridge used with Intel's StrongARM processors. More info at
281 <http://www.intel.com/design/bridge/docs/21285_documentation.htm>.
282
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283config MTD_IXP4XX
284 tristate "CFI Flash device mapped on Intel IXP4xx based systems"
01ac742d 285 depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP4XX
1da177e4 286 help
69f34c98 287 This enables MTD access to flash devices on platforms based
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288 on Intel's IXP4xx family of network processors such as the
289 IXDP425 and Coyote. If you have an IXP4xx based board and
290 would like to use the flash chips on it, say 'Y'.
291
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292config MTD_IMPA7
293 tristate "JEDEC Flash device mapped on impA7"
294 depends on ARM && MTD_JEDECPROBE
295 help
296 This enables access to the NOR Flash on the impA7 board of
297 implementa GmbH. If you have such a board, say 'Y' here.
298
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299# This needs CFI or JEDEC, depending on the cards found.
300config MTD_PCI
301 tristate "PCI MTD driver"
ec98c681 302 depends on PCI && MTD_COMPLEX_MAPPINGS
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303 help
304 Mapping for accessing flash devices on add-in cards like the Intel XScale
305 IQ80310 card, and the Intel EBSA285 card in blank ROM programming mode
306 (please see the manual for the link settings).
307
308 If you are not sure, say N.
309
310config MTD_PCMCIA
311 tristate "PCMCIA MTD driver"
f6763c98 312 depends on PCMCIA && MTD_COMPLEX_MAPPINGS
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313 help
314 Map driver for accessing PCMCIA linear flash memory cards. These
315 cards are usually around 4-16MiB in size. This does not include
316 Compact Flash cards which are treated as IDE devices.
317
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318config MTD_PCMCIA_ANONYMOUS
319 bool "Use PCMCIA MTD drivers for anonymous PCMCIA cards"
320 depends on MTD_PCMCIA
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321 help
322 If this option is enabled, PCMCIA cards which do not report
323 anything about themselves are assumed to be MTD cards.
324
325 If unsure, say N.
326
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327config MTD_BFIN_ASYNC
328 tristate "Blackfin BF533-STAMP Flash Chip Support"
ab00d682 329 depends on BFIN533_STAMP && MTD_CFI && MTD_COMPLEX_MAPPINGS
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330 default y
331 help
332 Map driver which allows for simultaneous utilization of
333 ethernet and CFI parallel flash.
334
335 If compiled as a module, it will be called bfin-async-flash.
336
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337config MTD_GPIO_ADDR
338 tristate "GPIO-assisted Flash Chip Support"
f650ce24 339 depends on GPIOLIB || COMPILE_TEST
d79c326c 340 depends on MTD_COMPLEX_MAPPINGS
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341 help
342 Map driver which allows flashes to be partially physically addressed
343 and assisted by GPIOs.
344
345 If compiled as a module, it will be called gpio-addr-flash.
346
1da177e4 347config MTD_UCLINUX
6ae392cc 348 bool "Generic uClinux RAM/ROM filesystem support"
81f53ff8 349 depends on (MTD_RAM=y || MTD_ROM=y) && (!MMU || COLDFIRE)
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350 help
351 Map driver to support image based filesystems for uClinux.
352
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353config MTD_INTEL_VR_NOR
354 tristate "NOR flash on Intel Vermilion Range Expansion Bus CS0"
355 depends on PCI
356 help
357 Map driver for a NOR flash bank located on the Expansion Bus of the
358 Intel Vermilion Range chipset.
359
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360config MTD_RBTX4939
361 tristate "Map driver for RBTX4939 board"
362 depends on TOSHIBA_RBTX4939 && MTD_CFI && MTD_COMPLEX_MAPPINGS
363 help
364 Map driver for NOR flash chips on RBTX4939 board.
365
99f2a8ae 366config MTD_PLATRAM
3c45e00a 367 tristate "Map driver for platform device RAM (mtd-ram)"
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368 select MTD_RAM
369 help
370 Map driver for RAM areas described via the platform device
371 system.
372
373 This selection automatically selects the map_ram driver.
374
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375config MTD_VMU
376 tristate "Map driver for Dreamcast VMU"
377 depends on MAPLE
378 help
379 This driver enables access to the Dreamcast Visual Memory Unit (VMU).
380
381 Most Dreamcast users will want to say Y here.
1da177e4 382
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383 To build this as a module select M here, the module will be called
384 vmu-flash.
385
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386config MTD_PISMO
387 tristate "MTD discovery driver for PISMO modules"
388 depends on I2C
389 depends on ARCH_VERSATILE
390 help
391 This driver allows for discovery of PISMO modules - see
392 <http://www.pismoworld.org/>. These are small modules containing
393 up to five memory devices (eg, SRAM, flash, DOC) described by an
394 I2C EEPROM.
395
396 This driver does not create any MTD maps itself; instead it
397 creates MTD physmap and MTD SRAM platform devices. If you
398 enable this option, you should consider enabling MTD_PHYSMAP
399 and/or MTD_PLATRAM according to the devices on your module.
400
401 When built as a module, it will be called pismo.ko
402
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403config MTD_LATCH_ADDR
404 tristate "Latch-assisted Flash Chip Support"
405 depends on MTD_COMPLEX_MAPPINGS
406 help
407 Map driver which allows flashes to be partially physically addressed
408 and have the upper address lines set by a board specific code.
409
410 If compiled as a module, it will be called latch-addr-flash.
411
47a72688 412endmenu
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