Difference between revisions of "Rock/bootloader"
< Rock
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{{Languages|rock/bootloader}} | {{Languages|rock/bootloader}} | ||
| − | + | == Introduction == | |
| − | Currently all RK3188 based devices including the Radxa Rock use the same bootloader from Rockchip. | + | Currently all RK3188 based devices including the Radxa Rock use the same bootloader from Rockchip. |
| − | * Load and | + | Its main task is to: |
| + | |||
| + | * Load and start the kernel/boot images or recovery image from the corresponding partitions. | ||
* Communicate with the host PC to download the image/firmware for [[rock/flash the image | upgrading]] | * Communicate with the host PC to download the image/firmware for [[rock/flash the image | upgrading]] | ||
| + | |||
| + | == Download == | ||
The bootloader of the Radxa Rock can be downloaded from this address: | The bootloader of the Radxa Rock can be downloaded from this address: | ||
http://dl.radxa.com/rock/images/loader/ | http://dl.radxa.com/rock/images/loader/ | ||
| + | |||
| + | == Source code == | ||
| + | |||
| + | The bootloader is based on U-boot and source code is available now: | ||
| + | https://github.com/neo-technologies/rockchip_u-boot | ||
| + | |||
| + | ''TODO'': Add instructions to build bootloader from source. | ||
| + | |||
| + | == Analysis == | ||
The analysis of the bootloader is done by sarg. You can contact sarg on IRC on the channel #linux-rockchip if you are interested. You can find the details here: | The analysis of the bootloader is done by sarg. You can contact sarg on IRC on the channel #linux-rockchip if you are interested. You can find the details here: | ||
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You can find more information on sargs work [http://blog.csdn.net/faithsws/article/details/17245699 here] although the article is in Chinese. | You can find more information on sargs work [http://blog.csdn.net/faithsws/article/details/17245699 here] although the article is in Chinese. | ||
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Revision as of 21:16, 29 March 2014
Contents
Introduction
Currently all RK3188 based devices including the Radxa Rock use the same bootloader from Rockchip.
Its main task is to:
- Load and start the kernel/boot images or recovery image from the corresponding partitions.
- Communicate with the host PC to download the image/firmware for upgrading
Download
The bootloader of the Radxa Rock can be downloaded from this address:
http://dl.radxa.com/rock/images/loader/
Source code
The bootloader is based on U-boot and source code is available now: https://github.com/neo-technologies/rockchip_u-boot
TODO: Add instructions to build bootloader from source.
Analysis
The analysis of the bootloader is done by sarg. You can contact sarg on IRC on the channel #linux-rockchip if you are interested. You can find the details here:
https://gist.github.com/sarg/5028505
You can find more information on sargs work here although the article is in Chinese.