1 menu "Self-contained MTD device drivers"
6 tristate "Ramix PMC551 PCI Mezzanine RAM card support"
9 This provides a MTD device driver for the Ramix PMC551 RAM PCI card
10 from Ramix Inc. <http://www.ramix.com/products/memory/pmc551.html>.
11 These devices come in memory configurations from 32M - 1G. If you
12 have one, you probably want to enable this.
14 If this driver is compiled as a module you get the ability to select
15 the size of the aperture window pointing into the devices memory.
16 What this means is that if you have a 1G card, normally the kernel
17 will use a 1G memory map as its view of the device. As a module,
18 you can select a 1M window into the memory and the driver will
19 "slide" the window around the PMC551's memory. This was
20 particularly useful on the 2.2 kernels on PPC architectures as there
21 was limited kernel space to deal with.
23 config MTD_PMC551_BUGFIX
24 bool "PMC551 256M DRAM Bugfix"
27 Some of Ramix's PMC551 boards with 256M configurations have invalid
28 column and row mux values. This option will fix them, but will
29 break other memory configurations. If unsure say N.
31 config MTD_PMC551_DEBUG
32 bool "PMC551 Debugging"
35 This option makes the PMC551 more verbose during its operation and
36 is only really useful if you are developing on this driver or
37 suspect a possible hardware or driver bug. If unsure say N.
40 tristate "DEC MS02-NV NVRAM module support"
41 depends on MACH_DECSTATION
43 This is an MTD driver for the DEC's MS02-NV (54-20948-01) battery
44 backed-up NVRAM module. The module was originally meant as an NFS
45 accelerator. Say Y here if you have a DECstation 5000/2x0 or a
46 DECsystem 5900 equipped with such a module.
48 If you want to compile this driver as a module ( = code which can be
49 inserted in and removed from the running kernel whenever you want),
50 say M here and read <file:Documentation/kbuild/modules.txt>.
51 The module will be called ms02-nv.
54 tristate "Support for AT45xxx DataFlash"
57 This enables access to AT45xxx DataFlash chips, using SPI.
58 Sometimes DataFlash chips are packaged inside MMC-format
59 cards; at this writing, the MMC stack won't handle those.
61 config MTD_DATAFLASH_WRITE_VERIFY
62 bool "Verify DataFlash page writes"
63 depends on MTD_DATAFLASH
65 This adds an extra check when data is written to the flash.
66 It may help if you are verifying chip setup (timings etc) on
67 your board. There is a rare possibility that even though the
68 device thinks the write was successful, a bit could have been
69 flipped accidentally due to device wear or something else.
71 config MTD_DATAFLASH_OTP
72 bool "DataFlash OTP support (Security Register)"
73 depends on MTD_DATAFLASH
75 Newer DataFlash chips (revisions C and D) support 128 bytes of
76 one-time-programmable (OTP) data. The first half may be written
77 (once) with up to 64 bytes of data, such as a serial number or
78 other key product data. The second half is programmed with a
79 unique-to-each-chip bit pattern at the factory.
82 tristate "Support most SPI Flash chips (AT26DF, M25P, W25X, ...)"
85 This enables access to most modern SPI flash chips, used for
86 program and data storage. Series supported include Atmel AT26DF,
87 Spansion S25SL, SST 25VF, ST M25P, and Winbond W25X. Other chips
88 are supported as well. See the driver source for the current list,
89 or to add other chips.
91 Note that the original DataFlash chips (AT45 series, not AT26DF),
92 need an entirely different driver.
94 Set up your spi devices with the right board-specific platform data,
95 if you want to specify device partitioning or to use a device which
96 doesn't support the JEDEC ID instruction.
98 config M25PXX_USE_FAST_READ
99 bool "Use FAST_READ OPCode allowing SPI CLK >= 50MHz"
100 depends on MTD_M25P80
103 This option enables FAST_READ access supported by ST M25Pxx.
106 tristate "SPEAR MTD NOR Support through SMI controller"
107 depends on PLAT_SPEAR
110 This enable SNOR support on SPEAR platforms using SMI controller
113 tristate "Support SST25L (non JEDEC) SPI Flash chips"
114 depends on SPI_MASTER
116 This enables access to the non JEDEC SST25L SPI flash chips, used
117 for program and data storage.
119 Set up your spi devices with the right board-specific platform data,
120 if you want to specify device partitioning.
122 config MTD_BCM47XXSFLASH
123 tristate "R/O support for serial flash on BCMA bus"
124 depends on BCMA_SFLASH
126 BCMA bus can have various flash memories attached, they are
127 registered by bcma as platform devices. This enables driver for
128 serial flash memories (only read-only mode is implemented).
131 tristate "Uncached system RAM"
133 If your CPU cannot cache all of the physical memory in your machine,
134 you can still use it for storage or swap by using this driver to
135 present it to the system as a Memory Technology Device.
138 tristate "Physical system RAM"
140 This is a re-implementation of the slram driver above.
142 Use this driver to access physical memory that the kernel proper
143 doesn't have access to, memory beyond the mem=xxx limit, nvram,
144 memory on the video card, etc...
147 tristate "28F160xx flash driver for LART"
148 depends on SA1100_LART
150 This enables the flash driver for LART. Please note that you do
151 not need any mapping/chip driver for LART. This one does it all
152 for you, so go disable all of those if you enabled some of them (:
155 tristate "Test driver using RAM"
157 This enables a test MTD device driver which uses vmalloc() to
158 provide storage. You probably want to say 'N' unless you're
161 config MTDRAM_TOTAL_SIZE
162 int "MTDRAM device size in KiB"
163 depends on MTD_MTDRAM
166 This allows you to configure the total size of the MTD device
167 emulated by the MTDRAM driver. If the MTDRAM driver is built
168 as a module, it is also possible to specify this as a parameter when
171 config MTDRAM_ERASE_SIZE
172 int "MTDRAM erase block size in KiB"
173 depends on MTD_MTDRAM
176 This allows you to configure the size of the erase blocks in the
177 device emulated by the MTDRAM driver. If the MTDRAM driver is built
178 as a module, it is also possible to specify this as a parameter when
181 #If not a module (I don't want to test it as a module)
182 config MTDRAM_ABS_POS
183 hex "SRAM Hexadecimal Absolute position or 0"
184 depends on MTD_MTDRAM=y
187 If you have system RAM accessible by the CPU but not used by Linux
188 in normal operation, you can give the physical address at which the
189 available RAM starts, and the MTDRAM driver will use it instead of
190 allocating space from Linux's available memory. Otherwise, leave
191 this set to zero. Most people will want to leave this as zero.
194 tristate "MTD using block device"
197 This driver allows a block device to appear as an MTD. It would
198 generally be used in the following cases:
200 Using Compact Flash as an MTD, these usually present themselves to
201 the system as an ATA drive.
202 Testing MTD users (eg JFFS2) on large media and media that might
203 be removed during a write (using the floppy drive).
205 comment "Disk-On-Chip Device Drivers"
208 tristate "M-Systems Disk-On-Chip G3"
210 select BCH_CONST_PARAMS
213 This provides an MTD device driver for the M-Systems DiskOnChip
216 The driver provides access to G3 DiskOnChip, distributed by
217 M-Systems and now Sandisk. The support is very experimental,
218 and doesn't give access to any write operations.