diff options
Diffstat (limited to 'docs/install/x200_external.md')
| -rw-r--r-- | docs/install/x200_external.md | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/docs/install/x200_external.md b/docs/install/x200_external.md index 6ceffd82..16c92662 100644 --- a/docs/install/x200_external.md +++ b/docs/install/x200_external.md @@ -150,7 +150,8 @@ Log in as root on your BBB, using the instructions in [bbb\_setup.html\#bbb\_access](bbb_setup.html#bbb_access). Test that flashrom works: - # ./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 + # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 + In this case, the output was: flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l) @@ -162,20 +163,20 @@ In this case, the output was: Multiple flash chip definitions match the detected chip(s): "MX25L6405(D)", "MX25L6406E/MX25L6436E", "MX25L6445E/MX25L6473E" Please specify which chip definition to use with the -c <chipname> option. -How to backup factory.rom (change the -c option as neeed, for your flash -chip):\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r -factory.rom**\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r -factory1.rom**\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -r -factory2.rom**\ -Note: the **-c** option is not required in libreboot's patched +Here is how to backup factory.rom: + + # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory.rom + # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory1.rom + # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory2.rom + +**Note:** the **-c** option is not required in libreboot's patched flashrom, because the redundant flash chip definitions in *flashchips.c* -have been removed.\ +have been removed. + Now compare the 3 images: # sha512sum factory\*.rom + If the hashes match, then just copy one of them (the factory.rom) to a safe place (on a drive connected to another system, not the BBB). This is useful for reverse engineering work, if there is a desirable @@ -189,9 +190,8 @@ flashing it. Although there is a default MAC address inside the ROM image, this is not what you want. **Make sure to always change the MAC address to one that is correct for your system.** -Now flash it:\ -\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -w -path/to/libreboot/rom/image.rom -V** +Now flash it: + # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom -V  |