docs: Add initial BeagleBone Black docs

* No porting has occured, just collecting information as it is a likely target * #9716
2013-04-28 13:02:03 -05:00
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+# BeagleBone Black
+* http://beagleboard.org
+* TODO: This is a WIP
+
+# Hardware information (Rev A5A)
+
+* ARMv7 Architecture
+* Sitara AM3359AZCZ100 Cortex-A8 CPU @ 1 Ghz
+* PowerVR SGX530 3D GPU
+* eMMC Onboard Storage 2GB (MMC1)
+* SD Card Storage (MMC0)
+* 512 MB DDR3L RAM
+* Video Outputs
+  * HDMI Video Output (with audio)
+* SMSC LAN8710A Ethernet
+
+# Setting up the Haiku SD card
+
+The BeagleBone Black supports booting from an microSD card while the boot switch is pressed at power on. A MBR file system layout is normally used as seen below. Partition 1 is all that is required to boot an OS.
+
+*  partition 1 -- FAT32, bootable flag, type 'c'
+*  partition 2 -- BeFS, Haiku filesystem, type 'eb'
+
+## Boot Partition
+
+### Required files
+
+* MLO
+* u-boot.img: u-Boot image
+* uEnv.txt: u-Boot Environment settings
+
+### Optional files
+
+* ID.txt: Unknown
+
+# Compiling
+
+*  Build an ARM toolchain using `./configure --build-cross-tools-gcc4 arm ../buildtools`
+*  Build our loader using `jam -q -sHAIKU_BOOT_BOARD=beagleboneblk haiku_loader`
+*  TODO
+
+# Booting
+
+1. If the boot switch is not depressed:
+   MMC1, MMC0, UART0, USB0
+2. If the boot switch is depressed:
+   SPI0, MMC0, USB0, UART0
+
+# Additional information
+
+* [CircutCo WikiPage](http://circuitco.com/support/index.php?title=BeagleBoneBlack)
+* [BeagleBone Black A5A SRM](https://github.com/CircuitCo/BeagleBone-Black/blob/master/BBB_SRM.pdf?raw=true)