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authorFrancis Rowe <info@gluglug.org.uk>2015-07-18 19:31:16 (EDT)
committer Francis Rowe <info@gluglug.org.uk>2015-09-20 04:06:27 (EDT)
commitd1bb5d6fcc75f07ca6a58b5536906980aff9d253 (patch)
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parent919af0e6b7cbff2171d370a0b830f2b9d740410b (diff)
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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. TODO: get hw reg dumps from a factory R500, and compare with the X200 or T400 dumps.
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diff --git a/docs/git/index.html b/docs/git/index.html
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@@ -39,6 +39,7 @@
<li><a href="#config_t60">ThinkPad T60</a></li>
<li><a href="#config_x200">ThinkPad X200</a></li>
<li><a href="#config_r400">ThinkPad R400</a></li>
+ <li><a href="#config_r500">ThinkPad R500</a></li>
<li><a href="#config_t400">ThinkPad T400</a></li>
<li><a href="#config_t500">ThinkPad T500</a></li>
<li><a href="#config_macbook21">MacBook2,1</a></li>
@@ -562,6 +563,48 @@
scripts for this system.
</p>
</div>
+
+ <div class="subsection">
+ <h3 id="config_r500">
+ ThinkPad R500 configuration (file: resources/libreboot/config/grub/r500_4mb/config)
+ </h3>
+ <ul>
+ <li>General / Expert mode = <i>enable</i></li>
+ <li>General / Use CMOS for configuration values = <i>enable</i></li>
+
+ <li>Mainboard / Mainboard vendor = <i>Lenovo</i></li>
+ <li>Mainboard / Mainboard model = <i>ThinkPad R500</i></li>
+ <li>Mainboard / ROM chip size = <i>4096 KB (4 MB)</i></li>
+ <li>Chipset / Include CPU microcode in CBFS = <i>Do not include microcode updates</i></li>
+ <li>Chipset / Size of CBFS filesystem in ROM = <i>0x3FF000</i></li>
+ <li>Devices / Use native graphics initialization = <i>enable</i></li>
+ <li>
+ Display / Keep VESA framebuffer = <i>disable</i> (disable for text-mode graphics, enable for coreboot vesa framebuffer)
+ <ul>
+ <li>Libreboot provides this with text-mode enabled by default, but it automatically patches a copy of the config at build time
+ to enable coreboot framebuffer for a separate set of ROM images, in each system.</li>
+ </ul>
+ </li>
+ <li>Generic Drivers / USB 2.0 EHCI debug dongle support = <i>Enable</i></li>
+ <li>Generic Drivers / Enable early (pre-RAM) usbdebug = <i>Enable</i></li>
+ <li>Generic Drivers / Type of dongle = <i>Net20DC or compatible</i></li>
+
+ <li>Console / USB dongle console output = <i>enable</i></li>
+ <li>Payload / Add a payload = <i>An ELF executable payload</i></li>
+ <li>Payload / Payload path and filename = <i>grub.elf</i></li>
+ </ul>
+ <p>
+ Go back and disable option ROMs:
+ </p>
+ <ul>
+ <li>Devices / Run VGA Option ROMs = <i>disable</i></li>
+ <li>Devices / Run Option ROMs on PCI devices = <i>disable</i></li>
+ </ul>
+ <p>
+ The resulting .config file was saved as resources/libreboot/config/<b>grub/r500_4mb/config</b> and is used by the build
+ scripts for this system.
+ </p>
+ </div>
<div class="subsection">
<h3 id="config_t400">