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Diffstat (limited to 'docs/install/c201.md')
| -rw-r--r-- | docs/install/c201.md | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/docs/install/c201.md b/docs/install/c201.md index bcacd75b..4bb0583b 100644 --- a/docs/install/c201.md +++ b/docs/install/c201.md @@ -8,19 +8,19 @@ C201. Since the device ships with Coreboot, the installation instructions are the same before and after flashing Libreboot for the first time. -**If you are using libreboot\_src or git, then make sure that you built -the sources first (see [../git/\#build](../git/#build)).** +*If you are using libreboot\_src or git, then make sure that you built +the sources first (see [../git/\#build](../git/#build)).* Look at the [list of ROM images](#rom) to see which image is compatible with your device. Libreboot can be installed internally from the device, with sufficient -privileges. The installation process requires using **Google's modified -version of flashrom**, that has support for reflashing the Chromebook's +privileges. The installation process requires using *Google's modified +version of flashrom*, that has support for reflashing the Chromebook's SPI flash. Otherwise, flashing externally will work with the upstream flashrom version. -**Google's modified version of flashrom** is free software and its +*Google's modified version of flashrom* is free software and its source code is made available by Google: [flashrom](https://chromium.googlesource.com/chromiumos/third_party/flashrom/).\ It is not distributed along with Libreboot yet. However, it is @@ -46,18 +46,18 @@ dedicated to [depthcharge](../depthcharge/). Once developer mode is enabled, the device will boot to the [developer mode screen](../depthcharge/#developer_mode_screen). ChromeOS can be booted by waiting for 30 seconds (the delay is shortened in Libreboot) -or by pressing **Ctrl + D** +or by pressing *Ctrl + D* After the system has booted, root access can be enabled by clicking on -the **Enable debugging features** link. A confirmation dialog will ask +the *Enable debugging features* link. A confirmation dialog will ask whether to proceed.\ -After confirming by clicking **Proceed**, the device will reboot and ask +After confirming by clicking *Proceed*, the device will reboot and ask for the root password to set. Finally, the operation has to be confirmed -by clicking **Enable**. +by clicking *Enable*. After setting the root password, it becomes possible to log-in as root. -A tty prompt can be obtained by pressing **Ctrl + Alt + Next**. The -**Next** key is the one on the top left of the keyboard. +A tty prompt can be obtained by pressing *Ctrl + Alt + Next*. The +*Next* key is the one on the top left of the keyboard. Preparing the device for the installation Before installing Libreboot on the device, both its software and @@ -88,8 +88,8 @@ writing Libreboot to the *read-only* part of the flash. To access the screw, the device has to be opened. There are 8 screws to remove from the bottom of the device, as shown on the picture below. Two are hidden under the top pads. After removing the screws, the keyboard -plastic part can be carefully detached from the rest. **Beware: there -are cables attached to it!** It is advised to flip the keyboard plastic +plastic part can be carefully detached from the rest. *Beware: there +are cables attached to it!* It is advised to flip the keyboard plastic part over, as shown on the picture below. The write protect screw is located next to the SPI flash chip, circled in red in the picture below. It has to be removed. @@ -114,23 +114,23 @@ Installing Libreboot internally, from the device Before installing Libreboot to the SPI flash internally, the device has to be reassembled. -All the files from the **veyron\_speedy** release (or build) have to be +All the files from the `veyron_speedy` release (or build) have to be transferred to the device. The following operations have to be executed with root privileges on the -device (e.g. using the *root* account). In addition, the -**cros-flash-replace** script has to be made executable: +device (e.g. using the `root` account). In addition, the +`cros-flash-replace` script has to be made executable: # chmod a+x cros-flash-replace The SPI flash has to be read first: - # flashrom -p host -r flash.img\ + # flashrom -p host -r flash.img -**Note: it might be a good idea to copy the produced flash.img file at -this point and store it outside of the device for backup purposes.** +*Note: it might be a good idea to copy the produced flash.img file at +this point and store it outside of the device for backup purposes.* -Then, the **cros-flash-replace** script has to be executed as such: +Then, the `cros-flash-replace` script has to be executed as such: # ./cros-flash-replace flash.img coreboot ro-frid @@ -141,8 +141,9 @@ The resulting flash image can then be flashed back: # flashrom -p host -w flash.img -You should also see within the output the following:\ -**"Verifying flash... VERIFIED."** +You should also see within the output the following: + + Verifying flash... VERIFIED. Shut down. The device will now boot to Libreboot. @@ -154,7 +155,7 @@ to be opened. The SPI flash is located next to the write protect screw. Its layout is indicated in the picture below. Note that it is not necessary to connect -**WP\#** since removing the screw already connects it to ground. Before +`WP#` since removing the screw already connects it to ground. Before writing to the chip externally, the battery connector has to be detached. It is located under the heat spreader, that has to be unscrewed from the rest of the case. The battery connector is located on @@ -165,12 +166,12 @@ layout](images/c201/spi-flash-layout.jpg)](images/c201/spi-flash-layout.jpg) [](images/c201/battery-connector.jpg) -All the files from the **veyron\_speedy** release (or build) have to be +All the files from the `veyron_speedy` release (or build) have to be transferred to the host. The following operations have to be executed with root privileges on the -host (e.g. using the *root* account). In addition, the -**cros-flash-replace** script has to be made executable: +host (e.g. using the `root` account). In addition, the +`cros-flash-replace` script has to be made executable: # chmod a+x cros-flash-replace @@ -178,10 +179,10 @@ The SPI flash has to be read first (using the right spi programmer): # flashrom -p *programmer* -r flash.img -**Note: it might be a good idea to copy the produced flash.img file at -this point and store it outside of the device for backup purposes.** +*Note: it might be a good idea to copy the produced flash.img file at +this point and store it outside of the device for backup purposes.* -Then, the **cros-flash-replace** script has to be executed as such: +Then, the `cros-flash-replace` script has to be executed as such: # ./cros-flash-replace flash.img coreboot ro-frid @@ -193,8 +194,9 @@ programmer): # flashrom -p *programmer* -w flash.img -You should also see within the output the following:\ -**"Verifying flash... VERIFIED."** +You should also see within the output the following: + + Verifying flash... VERIFIED. The device will now boot to Libreboot. |