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Diffstat (limited to 'docs/install/r400_external.md')
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1 files changed, 79 insertions, 88 deletions
diff --git a/docs/install/r400_external.md b/docs/install/r400_external.md index c6581615..1c8e9c83 100644 --- a/docs/install/r400_external.md +++ b/docs/install/r400_external.md @@ -1,4 +1,6 @@ -% Flashing the R400 with a BeagleBone Black + +Flashing the R400 with a BeagleBone Black +========================================= Initial flashing instructions for R400. @@ -11,12 +13,17 @@ ROM properly first. Although ROM images are provided pre-built in libreboot, there are some modifications that you need to make to the one you chose before flashing. (instructions referenced later in this guide) + + + Libreboot T400 {#t400} ============== You may also be interested in the smaller, more portable [Libreboot T400](t400_external.html). + + Serial port {#serial_port} ----------- @@ -24,6 +31,8 @@ EHCI debug might not be needed. It has been reported that the docking station for this laptop has a serial port, so it might be possible to use that instead. + + A note about CPUs ================= @@ -38,6 +47,8 @@ Quad-core CPUs Incompatible. Do not use. + + A note about GPUs ================= @@ -54,17 +65,20 @@ initialization works all the same. CPU paste required ================== -See [#paste](#paste). +See [\#paste](#paste). + + Flash chip size {#flashchips} =============== -Use this to find out: - - # flashrom -p internal -V +Use this to find out:\ +\# **flashrom -p internal -V**\ [Back to top of page.](#pagetop) + + MAC address {#macaddress} =========== @@ -78,6 +92,8 @@ image before flashing it. It will be written in one of these locations:    + + Initial BBB configuration ========================= @@ -115,95 +131,73 @@ for SOIC-8 (clip: Pomona 5250): Disassembly ----------- -Remove all screws: - - - -Remove the HDD and optical drive: - - - -Remove the hinge screws: - +Remove all screws:\ +\ +Remove the HDD and optical drive:\ +\ +Remove the hinge screws:\   -Remove the palm rest and keyboard: - +Remove the palm rest and keyboard:\   -Remove these screws, and then remove the bezel: - +Remove these screws, and then remove the bezel:\   Remove the speaker screws, but don't remove the speakers yet (just set -them loose): - +them loose):\    -Remove these screws, and then remove the metal plate: - +Remove these screws, and then remove the metal plate:\    -Remove the antennas from the wifi card, and then start unrouting them: - +Remove the antennas from the wifi card, and then start unrouting them:\       -Disconnect the LCD cable from the motherboard: - +Disconnect the LCD cable from the motherboard:\     -Remove the hinge screws, and then remove the LCD panel: - +Remove the hinge screws, and then remove the LCD panel:\     -Remove this: - +Remove this:\   -Remove this long cable (there are 3 connections): - +Remove this long cable (there are 3 connections):\     -Disconnect the speaker cable, and remove the speakers: - +Disconnect the speaker cable, and remove the speakers:\  Remove the heatsink screws, remove the fan and then remove the -heatsink/fan: - +heatsink/fan:\     -Remove the NVRAM battery: - +Remove the NVRAM battery:\   -Remove this screw: - +Remove this screw:\   -Disconnect the AC jack: - +Disconnect the AC jack:\   -Remove this screw and then remove what is under it: - +Remove this screw and then remove what is under it:\  -Remove this: - +Remove this:\  Lift the motherboard (which is still inside the cage) from the side on -the right, removing it completely: - +the right, removing it completely:\   Remove all screws, marking each hole so that you know where to re-insert @@ -212,23 +206,19 @@ that they were in before removal:   Remove the motherboard from the cage, and the SPI flash chip will be -next to the memory slots: - +next to the memory slots:\   -Connect your programmer, then connect GND and 3.3V - +Connect your programmer, then connect GND and 3.3V\       A dedicated 3.3V PSU was used to create this guide, but at ATX PSU is -also fine: - +also fine:\  -Of course, make sure to turn on your PSU: - +Of course, make sure to turn on your PSU:\  Now, you should be ready to install libreboot. @@ -238,11 +228,10 @@ libreboot\_util. Alternatively, libreboot also distributes flashrom source code which can be built. 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: +[bbb\_setup.html\#bbb\_access](bbb_setup.html#bbb_access). - # ./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 +Test that flashrom works:\ +\# **./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) @@ -255,24 +244,18 @@ In this case, the output was: 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** - +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 flashrom, because the redundant flash chip definitions in *flashchips.c* -have been removed. - -Now compare the 3 images: - - # sha512sum factory*.rom +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 @@ -280,20 +263,19 @@ behaviour in the original firmware that could be replicated in coreboot and libreboot. Follow the instructions at -[../hcl/gm45\_remove\_me.html#ich9gen](../hcl/gm45_remove_me.html#ich9gen) +[../hcl/gm45\_remove\_me.html\#ich9gen](../hcl/gm45_remove_me.html#ich9gen) to change the MAC address inside the libreboot ROM image, before 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 +Now flash it:\ +\# **./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom -V**  -You might see errors, but if it says **Verifying flash... VERIFIED** at +You might see errors, but if it says **Verifying flash\... VERIFIED** at the end, then it's flashed and should boot. If you see errors, try again (and again, and again); the message **Chip content is identical to the requested image** is also an indication of a successful @@ -314,6 +296,8 @@ Example output from running the command (see above): [Back to top of page.](#pagetop) + + Thermal paste (IMPORTANT) ========================= @@ -331,13 +315,15 @@ NOTE: the photo above is for illustration purposes only, and does not show how to properly apply the thermal paste. Other guides online detail the proper application procedure. + + Wifi ==== The R400 typically comes with an Intel wifi chipset, which does not work without proprietary software. For a list of wifi chipsets that work without proprietary software, see -[../hcl/#recommended\_wifi](../hcl/#recommended_wifi). +[../hcl/\#recommended\_wifi](../hcl/#recommended_wifi). Some R400 laptops might come with an Atheros chipset, but this is 802.11g only. @@ -348,10 +334,11 @@ whitelist of approved chips, and it will refuse to boot if you use an 'unauthorized' wifi card. The following photos show an Atheros AR5B95 being installed, to replace -the Intel chip that this R400 came with: - +the Intel chip that this R400 came with:\   + + WWAN ==== @@ -362,6 +349,8 @@ track your movements. Not to be confused with wifi (wifi is fine). + + Memory ====== @@ -375,10 +364,11 @@ Make sure that the RAM you buy is the 2Rx8 density. be useful for RAM compatibility info (note: coreboot raminit is different, so this page might be BS) -The following photo shows 8GiB (2x4GiB) of RAM installed: - +The following photo shows 8GiB (2x4GiB) of RAM installed:\  + + Boot it! -------- @@ -388,8 +378,9 @@ You should see something like this: Now [install GNU+Linux](../gnulinux/). -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 |