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| author | Alyssa Rosenzweig <alyssa@rosenzweig.io> | 2017-03-20 20:26:48 -0700 |
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| committer | Alyssa Rosenzweig <alyssa@rosenzweig.io> | 2017-03-20 20:26:48 -0700 |
| commit | a62fe03d3e84150e6186f57f53029d5a9abe3d7b (patch) | |
| tree | 1a1276b32fcc5388165bd42b685c0d9e83380a7b /docs/install/x60tablet_unbrick.md | |
| parent | 07da8fb0c7d513bc73470b69be99f1add0cb95e5 (diff) | |
| download | librebootfr-a62fe03d3e84150e6186f57f53029d5a9abe3d7b.tar.gz librebootfr-a62fe03d3e84150e6186f57f53029d5a9abe3d7b.zip | |
undo breakages
Diffstat (limited to 'docs/install/x60tablet_unbrick.md')
| -rw-r--r-- | docs/install/x60tablet_unbrick.md | 86 |
1 files changed, 38 insertions, 48 deletions
diff --git a/docs/install/x60tablet_unbrick.md b/docs/install/x60tablet_unbrick.md index c683e3ce..b91438a1 100644 --- a/docs/install/x60tablet_unbrick.md +++ b/docs/install/x60tablet_unbrick.md @@ -1,10 +1,14 @@ -% ThinkPad X60 Tablet: Recovery guide + +ThinkPad X60 Tablet: Recovery guide +=================================== This section documents how to recover from a bad flash that prevents your ThinkPad X60 Tablet from booting. [Back to previous index](./) + + Table of Contents ----------------- @@ -13,36 +17,35 @@ Table of Contents - [Brick type 2: bad rom (or user error), system won't boot](#recovery) + + Brick type 1: bucts not reset. {#bucts_brick} ============================== You still have Lenovo BIOS, or you had libreboot running and you flashed -another ROM; and you had bucts 1 set and the ROM wasn't dd'd.* or if -Lenovo BIOS was present and libreboot wasn't flashed. - +another ROM; and you had bucts 1 set and the ROM wasn't dd'd.\* or if +Lenovo BIOS was present and libreboot wasn't flashed.\ +\ In this case, unbricking is easy: reset BUC.TS to 0 by removing that yellow cmos coin (it's a battery) and putting it back after a minute or -two: - - - -*Those dd commands should be applied to all newly compiled X60 ROM +two:\ +\ +\ +\*Those dd commands should be applied to all newly compiled X60 ROM images (the ROM images in libreboot binary archives already have this -applied!): - +applied!):\ dd if=coreboot.rom of=top64k.bin bs=1 skip=\$\[\$(stat -c %s -coreboot.rom) - 0x10000\] count=64k - +coreboot.rom) - 0x10000\] count=64k\ dd if=coreboot.rom bs=1 skip=\$\[\$(stat -c %s coreboot.rom) - 0x20000\] -count=64k | hexdump - +count=64k | hexdump\ dd if=top64k.bin of=coreboot.rom bs=1 seek=\$\[\$(stat -c %s -coreboot.rom) - 0x20000\] count=64k conv=notrunc - +coreboot.rom) - 0x20000\] count=64k conv=notrunc\ (doing this makes the ROM suitable for use when flashing a system that still has Lenovo BIOS running, using those instructions: <http://www.coreboot.org/Board:lenovo/x60/Installation>. + + bad rom (or user error), system won't boot {#recovery} =========================================== @@ -59,57 +62,45 @@ flash the SPI chip (where libreboot resides).  -Remove those screws: - +Remove those screws:\  -Remove the HDD: - +Remove the HDD:\  -Push keyboard forward to loosen it: - +Push keyboard forward to loosen it:\  -Lift: - +Lift:\  -Remove those: - +Remove those:\   -Also remove that (marked) and unroute the antenna cables: - +Also remove that (marked) and unroute the antenna cables:\  -For some X60T laptops, you have to unroute those too: - +For some X60T laptops, you have to unroute those too:\  Remove the LCD extend board screws. Also remove those screws (see blue -marks) and remove/unroute the cables and remove the metal plate: - +marks) and remove/unroute the cables and remove the metal plate:\  -Remove that screw and then remove the board: - +Remove that screw and then remove the board:\  -Now wire up the BBB and the Pomona with your PSU. - +Now wire up the BBB and the Pomona with your PSU.\ Refer to [bbb\_setup.html](bbb_setup.html) for how to setup the BBB for -flashing. - +flashing.\ **Note, the guide mentions a 3.3v DC PSU but you don't need this on the X60 Tablet: if you don't have or don't want to use an external PSU, then make sure not to connect the 3.3v leads mentioned in the guide; instead, connect the AC adapter (the one that normally charges your battery) so that the board has power (but don't boot it up)** - - +\ Correlate the following with the BBB guide linked above: POMONA 5250: @@ -122,27 +113,26 @@ Correlate the following with the BBB guide linked above: This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack. Connecting the BBB and pomona (in this image, an external 3.3v DC PSU -was used): - +was used):\  Flashrom binaries for ARM (tested on a BBB) are distributed in libreboot\_util. Alternatively, libreboot also distributes flashrom source code which can be built. -SSH'd into the BBB: - -# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -w +SSH'd into the BBB:\ +\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -w yourrom.rom** -It should be **Verifying flash... VERIFIED** at the end. If flashrom +It should be **Verifying flash\... VERIFIED** at the end. If flashrom complains about multiple flash chip definitions detected, then choose one of them following the instructions in the output. Reverse the steps to re-assemble your system. -Copyright © 2014, 2015 Leah Rowe <info@minifree.org> + +Copyright © 2014, 2015 Leah Rowe <info@minifree.org>\ Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-ShareAlike 4.0 International license or any later version published by Creative |