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@@ -79,7 +79,7 @@
by coreboot native graphics initialization.
</p>
<p>
- Keymaps are named appropriate according to each keyboard layout
+ Keymaps are named appropriate/y according to each keyboard layout
support in GRUB. To learn how these keymaps are created, see
<a href="../grub/index.html#grub_keyboard">../grub/index.html#grub_keyboard</a>
</p>
@@ -107,6 +107,11 @@
<p>
Other arguments are available for QEMU. The manual will contain more information.
</p>
+
+ <p>
+ On GM45 hardware (with libreboot), make sure that the <i>kvm</i> and <i>kvm_intel</i> kernel modules
+ are not loaded, when using QEMU.
+ </p>
<p>
<a href="#pagetop">Back to top of page.</a>
@@ -116,7 +121,14 @@
<div class="section">
- <h1 id="flashrom">How to install or update libreboot (if running libreboot or coreboot)</h1>
+ <h1 id="flashrom">How to update libreboot (if you are already running libreboot or coreboot)</h1>
+
+ <p>
+ On all current targets, updating libreboot can be accomplished without disassembly and,
+ therefore, without having to externally re-flash using any dedicated hardware. In other words,
+ you can do everything entirely in software, directly from the OS that is running on your libreboot
+ system.
+ </p>
<div class="important">
<p>
@@ -125,59 +137,103 @@
</div>
<p>
- These instructions work for most targets, provided that they are already running libreboot or coreboot.
- </p>
- <p>
Look at the <a href="#rom">list of ROM images</a> to see which image is compatible with your device.
</p>
- <p>
- X60/T60 users with Lenovo BIOS should refer to <a href="#flashrom_lenovobios">#flashrom_lenovobios</a> instead.
- Similary, MacBook2,1 users running Apple EFI should refer to <a href="#flashrom_macbook21">#flashrom_macbook21</a>.
- </p>
- <p>
- <b>
- ThinkPad T60 and X60 Tablet users: be sure to read <a href="../hcl/index.html#supported_t60_list">../hcl/index.html#supported_t60_list</a>
- or <a href="../hcl/index.html#supported_t60_list">../hcl/index.html#supported_t60_list</a>.
- </b>
- </p>
- <p>
- X200/R400/T400/T500 users running Lenovo BIOS should refer to <a href="x200_external.html">x200_external.html</a>,
- <a href="r400_external.html">r400_external.html</a>,
- <a href="t400_external.html">t400_external.html</a> or
- <a href="t500_external.html">t500_external.html</a>. <b>These machines contain the hard coded
- MAC address for the onboard ethernet chipset, directly inside the SPI flash;
- <a href="../hcl/gm45_remove_me.html#ich9gen">ich9gen</a> shows how to change it (the default
- libreboot ROM images for these machines contain a generic MAC address).</b>
- </p>
- <p>
- X200/R400/T400/T500 users should also note, that it is possible for the user to write-protect whole regions
- of the SPI flash by using a modified descriptor. Locked regions must be flashed externally;
- see <a href="x200_external.html">x200_external.html</a>, <a href="r400_external.html">r400_external.html</a>,
- <a href="t400_external.html">t400_external.html</a> or <a href="t500_external.html">t500_external.html</a>.
- <b>Libreboot unlocks all regions, by default.</b>
- </p>
- <div class="important">
+
+ <h2>Are you currently running the original, proprietary firmware?</h2>
+
<p>
- How to update the flash chip contents:<br/>
- $ <b>sudo ./flash update <a href="#rom">yourrom.rom</a></b>
+ If you are currently running the proprietary firmware (not libreboot or coreboot),
+ then the flashing instructions for your system are going to be different.
</p>
- </div>
- <div class="important">
<p>
- Ocassionally, coreboot changes the name of a given board. If flashrom complains about a board mismatch, but
- you are sure that you chose the correct ROM image, then run this alternative command:<br/>
- $ <b>sudo ./flash forceupdate <a href="#rom">yourrom.rom</a></b>
+ X60/T60 users running the proprietary firmware should refer to <a href="#flashrom_lenovobios">#flashrom_lenovobios</a>.
+ MacBook2,1 users running Apple EFI should refer to <a href="#flashrom_macbook21">#flashrom_macbook21</a>
+ </p>
+ <p>
+ X200 users, refer to <a href="x200_external.html">x200_external.html</a>,
+ R400 users refer to <a href="r400_external.html">r400_external.html</a>,
+ T400 users refer to <a href="t400_external.html">t400_external.html</a>,
+ T500 users refer to <a href="t500_external.html">t500_external.html</a>
</p>
- </div>
- <div class="important">
+ <h2>Are you currently running libreboot (or coreboot)?</h2>
+
+ <p>
+ X60/T60 users should be fine with this guide. If you write-protected the flash chip, please refer to
+ <a href="x60_unbrick.html">x60_unbrick.html</a>, <a href="x60tablet_unbrick.html">x60tablet_unbrick.html</a>
+ or <a href="t60_unbrick.html">t60_unbrick.html</a>. <i>This probably does not apply to you. Most people
+ do not write-protect the flash chip, so you probably didn't either.</i>
+ </p>
+ <p>
+ 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,
+ 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).
+ </p>
+
+ <p>
+ If you did not write-protect the flash chip, or it came to you without any write-protection
+ (<b><i>libreboot does not write-protect the flash chip by default, so this probably applies to you</i></b>),
+ read on!
+ </p>
+
+ <h2>MAC address on GM45 (X200/R400/T400/T500)</h2>
<p>
- You should see <b>&quot;Verifying flash... VERIFIED.&quot;</b> written at the end of the flashrom output. <b>Shut down</b>
- after you see this, and then boot up again after a few seconds.
+ <b>Users of the X200/R400/T400/T500 take note:</b> The MAC address for the onboard ethernet chipset
+ is located inside the flash chip. Libreboot ROM images for these laptops contain a generic MAC
+ address by default (00:F5:F0:40:71:FE), but this is not what you want.
+ <i>Make sure to change the MAC address inside the ROM image, before flashing it.
+ The instructions on <a href="../hcl/gm45_remove_me.html#ich9gen">../hcl/gm45_remove_me.html#ich9gen</a>
+ show how to do this.</i>
</p>
- </div>
+ <p>
+ It is important that you change the default MAC address, before flashing. It will be printed on a sticker
+ at the bottom of the laptop, or it will be printed on a sticker next to or underneath the RAM. Alternatively,
+ and assuming that your current firmware has the correct MAC address in it, you can get it from your OS.
+ </p>
+
+ <h2>All good?</h2>
+
+ <p>Excellent! Moving on...</p>
+
+ <p>
+ Download the <i>libreboot_util.tar.xz</i> archive, and extract it. Inside, you will find
+ a directory called <i>flashrom</i>. This contains statically compiled executable files of
+ the <i>flashrom</i> utility, which you will use to re-flash your libreboot system.
+ </p>
+
+ <p>
+ Simply use <i>cd</i> on your terminal, to switch to the <i>libreboot_util</i> directory. Inside,
+ there is a script called <i>flash</i>, which will detect what CPU architecture you have
+ (e.g. i686, x86_64) and use the appropriate executable. It is also possible for you to
+ build these executables from the libreboot source code archives.
+ </p>
+
+ <div class="important">
+ <p>
+ How to update the flash chip contents:<br/>
+ $ <b>sudo ./flash update <a href="#rom">yourrom.rom</a></b>
+ </p>
+ </div>
+ <div class="important">
+ <p>
+ Ocassionally, coreboot changes the name of a given board. If flashrom complains about a board mismatch, but
+ you are sure that you chose the correct ROM image, then run this alternative command:<br/>
+ $ <b>sudo ./flash forceupdate <a href="#rom">yourrom.rom</a></b>
+ </p>
+ </div>
+
+ <div class="important">
+
+ <p>
+ You should see <b>&quot;Verifying flash... VERIFIED.&quot;</b> written at the end of the flashrom output. <b>Shut down</b>
+ after you see this, and then boot up again after a few seconds.
+ </p>
+
+ </div>
<p><a href="#pagetop">Back to top of page</a></p>