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Kernel for the beagleboard.org boards
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configs
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README.md
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README.md

kernel

Kernel for the beagleboard.org boards

usage

3.8 patchset:

git checkout origin/3.8 -b 3.8
./patch.sh

Get am335x-pm-firmware.bin from http://arago-project.org/git/projects/?p=am33x-cm3.git;a=tree;f=bin and copy it to kernel/firmware

To build it:

cd kernel
cp ../configs/beaglebone .config
make uImage dtbs

copy over uImage and am335x-bone.dtb to /boot

uEnv.txt for the angstrom u-boot 2012.10:

devtree=/boot/am335x-bone.dtb
dtboot=run mmcargs; ext2load mmc ${mmcdev}:2 ${kloadaddr} ${bootfile} ; ext2load mmc ${mmcdev}:2 ${fdtaddr} ${devtree} ; bootm ${kloadaddr} - ${fdtaddr}
uenvcmd=run dtboot
optargs=consoleblank=0

uEnv.txt for vanilla u-boot 2012.10:

devtree=/boot/am335x-bone.dtb
dtboot=run mmcargs; ext2load mmc ${mmcdev}:2 ${loadaddr} ${bootfile} ; ext2load mmc ${mmcdev}:2 ${fdtaddr} ${devtree} ; bootm ${loadaddr} - ${fdtaddr}
uenvcmd=run dtboot
optargs=consoleblank=0

Status

  • I2C: working
  • SPI: working
  • MMC: mmc1 working, mmc2 working
  • USB host: working, replugging needs 'lsusb' to pick new devices, unless you use a hub in between
  • USB gadget: not working
  • LCDC: not-capebus has support for lcd3, lcd4, lcd7 and dvi capes
  • TS: working
  • ADC: untested
  • PWM: ehrpwm and ecap working
  • PMIC: working
  • PMIC PWM: working, kills ethernet
  • CPUfreq: working
  • Capes: DVI, LCD3, LCD4, LCD7, geiger and weathercape are functional, but need tweaking
  • AUDIO: working

Bootlog

U-Boot SPL 2012.10-rc3-00001-gf260a85 (Oct 12 2012 - 21:44:47)
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img


U-Boot 2012.10-rc3-00001-gf260a85 (Oct 12 2012 - 21:44:47)

I2C:   ready
DRAM:  256 MiB
WARNING: Caches not enabled
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
Using default environment

Net:   cpsw
Hit any key to stop autoboot:  0 
SD/MMC found on device 0
reading uEnv.txt

232 bytes read
Loaded environment from uEnv.txt
Importing environment from mmc ...
Running uenvcmd ...
Loading file "/boot/uImage" from mmc device 0:2
3761392 bytes read
Loading file "/boot/am335x-bone.dtb" from mmc device 0:2
18975 bytes read
## Booting kernel from Legacy Image at 80007fc0 ...
   Image Name:   Linux-3.7.0-rc2
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3761328 Bytes = 3.6 MiB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 80f80000
   Booting using the fdt blob at 0x80f80000
   XIP Kernel Image ... OK
OK
   Loading Device Tree to 8fe63000, end 8fe6aa1e ... OK
Starting kernel ...

[    0.059015] omap-gpmc omap-gpmc: failed to reserve memory
[    0.375284] tps65217-bl tps65217-bl: no platform data provided
[    0.512706] capebus bone:0: bone: Failed to read EEPROM at slot 0 (addr 0x54)
[    0.567255] capebus bone:0: bone: Failed to read EEPROM at slot 1 (addr 0x55)
[    0.718152] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
systemd-fsck[72]: Angstrom-Cloud9-: clean, 30760/247504 files, 311621/988774 blocks

.---O---.
|       |                  .-.           o o
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution bone-mainline ttyO0

Angstrom v2012.10 - Kernel 3.7.0-rc2

bone-mainline login:
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