From d1bb5d6fcc75f07ca6a58b5536906980aff9d253 Mon Sep 17 00:00:00 2001 From: Francis Rowe Date: Sat, 18 Jul 2015 19:31:16 -0400 Subject: New board: ThinkPad R500 (experimental) The ich9deblob and ich9gen utilities were modified, so that they support reading and/or writing descriptor images where the GbE region is not defined. These utilities were also re-factored and tidied up a bit. A quick was noticed during the course of this work, in that Compenent 1 Density was being set to 8MiB constantly, even on systems with 4MiB flash chips. Component 2 Density was set statically to 2MiB. ich9gen now sets both to 4MiB or 8MiB, depending on whether building the descriptor for a 4MiB or 8MiB ROM image. There are still some ACPI bugs (see docs/hcl/r500.html), which will have to be fixed upstream. 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@@
  • ThinkPad T60: Recovery guide
  • ThinkPad X200/X200S/X200T (needed if running the proprietary firmware, or to unbrick)
  • ThinkPad R400 (needed if running the proprietary firmware, or to unbrick)
    • +
  • ThinkPad R500 (needed if running the proprietary firmware, or to unbrick)
  • ThinkPad T400 (needed if running the proprietary firmware, or to unbrick)
  • ThinkPad T500 (needed if running the proprietary firmware, or to unbrick)
    • @@ -142,6 +143,7 @@

    X200 users, refer to x200_external.html, R400 users refer to r400_external.html, + R500 users refer to r500_external.html, T400 users refer to t400_external.html, T500 users refer to t500_external.html

    @@ -194,7 +196,7 @@

    Similarly, it is possible to write-protect the flash chip in coreboot or libreboot on GM45 laptops - (X200/R400/T400/T500). If you did this, then you will need to use the links above for flashing, + (X200/R400/R500/T400/T500). If you did this, then you will need to use the links above for flashing, treating your laptop as though it currently has the proprietary firmware (because write-protected SPI flash requires external re-flashing, as is also the case when running the proprietary firmware).

    @@ -222,7 +224,15 @@ and assuming that your current firmware has the correct MAC address in it, you can get it from your OS.

    -

    Flash chip size on GM45 (X200/R400/T400/T500)

    +

    + + R500 users: your laptop lacks a GbE region, because it has a different NIC. You do not need to change the MAC + address on this laptop; it will already be correct. You can simply flash the available ROM images for the R500, as-is. + See ../hcl/r500.html#nogbe. + +

    + +

    Flash chip size

    Use this to find out:
    diff --git a/docs/install/r500_external.html b/docs/install/r500_external.html new file mode 100644 index 0000000..0360c09 --- /dev/null +++ b/docs/install/r500_external.html @@ -0,0 +1,480 @@ + + + + + + + + + ThinkPad R500: flashing tutorial (BeagleBone Black) + + + + +

    +

    Flashing the R500 with a BeagleBone Black

    +

    Initial flashing instructions for R500.

    +

    + This guide is for those who want libreboot on their ThinkPad R500 + while they still have the original Lenovo BIOS present. This guide + can also be followed (adapted) if you brick your R500, to know how + to recover. +

    +

    + Before following this section, please make sure to setup your libreboot 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) +

    + +

    + + NOTE: This board is unsupported in libreboot 20150518. To use it in libreboot, for now, you + must build for it from source using the libreboot git repository. + +

    + +

    Back to main index

    +
    + +
    + +

    Serial port

    + +

    + 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. +

    + +
    + +
    + +

    LCD compatibly

    +

    + Not all LCD panels are known to be compatible yet. See ../hcl/gm45_lcd.html. +

    + +
    + +
    + +

    A note about CPUs

    +

    + ThinkWiki has a list of CPUs + for this system. The Core 2 Duo P8400, P8600 and P8700 are believed to work in libreboot. + The Core 2 Duo T9600 was confirmed to work (on a different laptop, but still GM45), so the T9400 probably also works. + The Core 2 Duo T5870/5670 and Celeron M 575/585 are untested! +

    + +

    Quad-core CPUs

    + +

    + Although blocked by lenovobios (as was reported), it is reported that there are quad-core CPUs + for GM45. This laptop has socketed CPUs, so it might be possible to use them + (they are untested in coreboot; support may have to be added). + Core 2 Quad Q9000, Q9100 or QX9300. +

    + +

    + Look at this link:
    + https://en.wikipedia.org/wiki/List_of_Intel_Core_2_microprocessors#Quad-Core_Notebook_processors +

    + +
    + +
    + +

    A note about GPUs

    + +

    + ThinkWiki lists + two possible GPUs: Intel or ATI. Only the Intel GPUs work in libreboot; the ATI + GPUs require a proprietary Video BIOS, and so those are unsupported in libreboot. +

    +

    + On other GM45 laptops in libreboot (e.g. T400, T500), so-called switchable graphics + is used, which means that the laptop will have both an ATI and Intel GPU, or it will + only have Intel, depending on which variation you have. On the systems with ATI and Intel, + you can disable the ATI GPU and use only the Intel GPU, which works in libreboot. +

    +
    +

    + + It is unknown whether R500 laptops with an ATI GPU still have an Intel GPU, where you could + disable the ATI GPU and use the Intel GPU. These are budget laptops, so it's highly likely + that Lenovo decided on this model to ship with one GPU or the other, but not both (GPUs cost money). + +

    +

    + + It is **HIGHLY** recommended, when ordering an R500 laptop, to **ENSURE** that the + one you're ordering has an Intel GPU. + +

    +
    + +

    CPU paste required

    + +

    + See #paste. +

    + +
    + +
    + +

    Flash chip size

    + +

    + Use this to find out:
    + # dmidecode | grep ROM\ Size
    +

    +

    + It is believed that all R500 laptops have only SOIC-8 (4MiB) chips. +

    + +

    + Back to top of page. +

    + +
    + +
    + +

    MAC address

    + +

    + Unlike other GM45 thinkpads, the R500 has a different onboard gigabit NIC, + where the MAC address is built-in. You do not need to change the MAC address + at all on this laptop; simply flash the provided ROM images, as-is. +

    + +
    + +
    + +

    Initial BBB configuration

    + +

    + Refer to bbb_setup.html for how to + setup the BBB for flashing. +

    + +

    + The following shows how to connect clip to the BBB (on the P9 header), for SOIC-8 (clip: Pomona 5250): +

    +
    +POMONA 5250 (correlate with the BBB guide)
+===  VGA and ethernet socket ===
+ 18              -       - 1
+ 22              -       - NC
+ NC              -       - 21
+ 3.3V (PSU)      -       - 17 - this is pin 1 on the flash chip
+===  DVD drive ===
+This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.
    
+
+
    + +

    Disassembly

    + +

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

    + +

    + Remove the motherboard from the cage, and the SPI flash + chip will be next to the memory slots:
    + + +

    + +

    + The following image is for illustration only, to show how a SOIC-8 clip is connected. + This photo is from a T500, which has a different arrangement to the R500:
    + +

    +

    + 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:
    + +

    + +

    + Of course, make sure to turn on your PSU:
    + +

    + +

    + Now, you should be ready to install libreboot. +

    + +

    + Flashrom binaries for ARM (tested on a BBB) are distributed in 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. +

    +

    + 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)
+flashrom is free software, get the source code at http://www.flashrom.org
+Calibrating delay loop... OK.
+Found Macronix flash chip "MX25L6405(D)" (8192 kB, SPI) on linux_spi.
+Found Macronix flash chip "MX25L6406E/MX25L6436E" (8192 kB, SPI) on linux_spi.
+Found Macronix flash chip "MX25L6445E/MX25L6473E" (8192 kB, SPI) on linux_spi.
+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 flashrom, because + the redundant flash chip definitions in flashchips.c 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 behaviour in the original firmware + that could be replicated in coreboot and libreboot. +

    +

    + 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 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 installation. +

    +

    + Example output from running the command (see above): +

    +
    +flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l)
+flashrom is free software, get the source code at http://www.flashrom.org
+Calibrating delay loop... OK.
+Found Macronix flash chip "MX25L6405(D)" (8192 kB, SPI) on linux_spi.
+Reading old flash chip contents... done.
+Erasing and writing flash chip... FAILED at 0x00001000! Expected=0xff, Found=0x00, failed byte count from 0x00000000-0x0000ffff: 0xd716
+ERASE FAILED!
+Reading current flash chip contents... done. Looking for another erase function.
+Erase/write done.
+Verifying flash... VERIFIED.
+
    + + +

    + Back to top of page. +

    + +
    + +
    + +

    Thermal paste (IMPORTANT)

    + +

    + Because part of this procedure involved removing the heatsink, you will need to apply new paste. + Arctic Silver 5 is ok. You will also need isopropyl alcohol and an anti-static cloth to clean with. +

    + +

    + When re-installing the heatsink, you must first clean off all old paste with the alcohol/cloth. + Then apply new paste. AS5 is also much better than the default paste used on these systems. +

    + +

    + +

    + +

    + 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 R500 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/index.html#recommended_wifi. +

    + +

    + Some R500 laptops might come with an Atheros chipset, but this is 802.11g only. +

    + +

    + It is recommended that you install a new wifi chipset. This can only + be done after installing libreboot, because the original firmware has + a 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 R500 came with:
    + + +

    + +
    + +
    + +

    WWAN

    +

    + If you have a WWAN/3G card and/or sim card reader, remove them permanently. + The WWAN-3G card has proprietary firmware inside; the technology is + identical to what is used in mobile phones, so it can also track your movements. +

    +

    + Not to be confused with wifi (wifi is fine). +

    + +
    + +
    + +

    Memory

    + +

    + You need DDR3 SODIMM PC3-8500 RAM installed, in matching pairs + (speed/size). Non-matching pairs won't work. You can also install a + single module (meaning, one of the slots will be empty) in slot 0. +

    + +

    + Make sure that the RAM you buy is the 2Rx8 density. +

    + +

    + The following photo shows 8GiB (2x4GiB) of RAM installed:
    + +

    + +
    + +
    + +

    + Boot it! +

    +

    + You should see something like this: +

    +

    + + +

    + +

    + Now install GNU/Linux. +

    + +
    + +
    + +

    + Copyright © 2015 Francis Rowe <info@gluglug.org.uk>
    + Permission is granted to copy, distribute and/or modify this document + under the terms of the GNU Free Documentation License, Version 1.3 + or any later version published by the Free Software Foundation; + with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. + A copy of the license can be found at ../gfdl-1.3.txt +

    + +

    + Updated versions of the license (when available) can be found at + https://www.gnu.org/licenses/licenses.html +

    + +

    + UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE + EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS + AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF + ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS, + IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION, + WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR + PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS, + ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT + KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT + ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU. +

    +

    + TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE + TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION, + NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT, + INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES, + COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR + USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN + ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR + DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR + IN PART, THIS LIMITATION MAY NOT APPLY TO YOU. +

    +

    + The disclaimer of warranties and limitation of liability provided + above shall be interpreted in a manner that, to the extent + possible, most closely approximates an absolute disclaimer and + waiver of all liability. +

    + +
    + + + -- cgit v0.9.1