155 lines
4.0 KiB
Plaintext
155 lines
4.0 KiB
Plaintext
-------------------------------------------------------------------------------
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Flashrom README
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-------------------------------------------------------------------------------
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This is the universal (LinuxBIOS) flash utility.
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Build Requirements
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------------------
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To build the flashrom utility you need to have the following packages
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installed on your Linux system:
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* pciutils
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* pciutils-devel / pciutils-dev
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* zlib-devel / zlib1g-dev
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Usage
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-----
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usage: ./flashrom [-rwvEVfh] [-c chipname] [-s exclude_start]
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[-e exclude_end] [-m vendor:part] [-l file.layout] [-i imagename] [file]
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-r | --read: read flash and save into file
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-w | --write: write file into flash (default when
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file is specified)
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-v | --verify: verify flash against file
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-E | --erase: erase flash device
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-V | --verbose: more verbose output
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-c | --chip <chipname>: probe only for specified flash chip
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-s | --estart <addr>: exclude start position
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-e | --eend <addr>: exclude end postion
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-m | --mainboard <vendor:part>: override mainboard settings
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-f | --force: force write without checking image
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-l | --layout <file.layout>: read rom layout from file
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-i | --image <name>: only flash image name from flash layout
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If no file is specified, then all that happens
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is that flash info is dumped and the flash chip is set to writable.
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LinuxBIOS Table and Mainboard Identification
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--------------------------------------------
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Flashrom reads the LinuxBIOS table to determine the current mainboard.
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(Parse DMI as well in future?) If no LinuxBIOS table could be read
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or if you want to override these values, you can specify -m, e.g.:
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flashrom -w --mainboard ISLAND:ARUMA island_aruma.rom
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ROM Layout Support
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------------------
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Flashrom supports ROM layouts. This allows to flash certain parts of
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the flash chip only. A ROM layout file looks like follows:
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00000000:00008fff gfxrom
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00009000:0003ffff normal
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00040000:0007ffff fallback
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i.e.:
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startaddr:endaddr name
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all addresses are offsets within the file, not absolute addresses!
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If you only want to update the normal image in a ROM you can say:
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flashrom -w --layout rom.layout --image normal island_aruma.rom
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To update normal and fallback but leave the VGA BIOS alone, say:
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flashrom -w -l rom.layout -i normal -i fallback island_aruma.rom
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Currently overlapping sections are not supported.
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ROM layouts should replace the -s and -e option since they are more
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flexible and they should lead to a ROM update file format with the
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ROM layout and the ROM image in one file (cpio, zip or something?)
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DOC support
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-----------
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DISK on Chip support is currently disabled since it is considered unstable.
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Change CFLAGS in the Makefile to enable it: Remove -DDISABLE_DOC from CFLAGS.
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Supported Flash Chips
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---------------------
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AMD AM-29F040B
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AMD AM-29F016D
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ASD AE49F2008
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Atmel AT-29C040A
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EMST F49B002UA
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Intel 82802AB (Firmware Hub)
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Intel 82802AC (Firmware Hub)
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M-Systems MD-2802 (unsupported, disabled by default)
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MX MX-29F002
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PMC PMC-49FL002
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PMC PMC-49FL004
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Sharp LHF-00L04
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SST SST-29EE020A
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SST SST-28SF040A
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SST SST-39SF010A
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SST SST-39SF020A
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SST SST-39SF040
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SST SST-39VF020
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SST SST-49LF040B
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SST SST-49LF040
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SST SST-49LF020A
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SST SST-49LF080A
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SST SST-49LF160C
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SST SST-49LF002A/B
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SST SST-49LF003A/B
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SST SST-49LF004A/B
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SST SST-49LF008A
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SST SST-49LF004C
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SST SST-49LF008C
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SST SST-49LF016C
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ST ST-M29F400BT
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ST ST-M29F040B
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SyncMOS S29C51001T/B
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SyncMOS S29C51002T/B
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SyncMOS S29C51004T/B
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SyncMOS S29C31004T
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Winbond W29C011
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Winbond W29C020C
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Winbond W49F002U
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Winbond W49V002A
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Winbond W49V002FA
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Winbond W39V040A
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Winbond W39V040B
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Supported Southbridges
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----------------------
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AMD CS5530
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AMD Geode SC1100
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AMD AMD-8111
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ATI SB400
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Intel ICH0-ICH8 (all variations)
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Intel PIIX4/PIIX4E/PIIX4M
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NVIDIA CK804
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NVIDIA MCP51
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NVIDIA MCP55
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SiS 630
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SiS 5595
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VIA VT8231
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VIA VT8235
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VIA VT8237
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VIA VT82C686
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