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BBB デバッグシリアルポートの接続とdmesg

秋月電子通商のFT232RL USB-シリアル変換モジュールを使用して接続した
BBBのデバックシリアルポート6ピンコネクタは細いので秋月の1列X6ピンのピンフレーム(¥20)があう。
IMG_1510-w320.jpg IMG_1511-w320.jpg


インターフェースレベルを3.3VにするためにモジュールのJ1の1-2間をショートする。
通信設定は 115,200bps N81
BBB_DebugPort.png

立ち上げ時のdmesg他
U-Boot SPL 2013.04-rc1-14237-g90639fe-dirty (Apr 13 2013 - 13:57:11)
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
OMAP SD/MMC: 0
mmc_send_cmd : timeout: No status update
reading u-boot.img
reading u-boot.img


U-Boot 2013.04-rc1-14237-g90639fe-dirty (Apr 13 2013 - 13:57:11)

I2C: ready
DRAM: 512 MiB
WARNING: Caches not enabled
NAND: No NAND device found!!!
0 MiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - readenv() failed, using default environment

musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
Net: <ethaddr> not set. Validating first E-fuse MAC
cpsw, usb_ether
Hit any key to stop autoboot: 1 0
gpio: pin 53 (gpio 53) value is 1
mmc_send_cmd : timeout: No status update
Card did not respond to voltage select!
mmc0(part 0) is current device
Card did not respond to voltage select!
No micro SD card found, setting mmcdev to 1
mmc_send_cmd : timeout: No status update
mmc1(part 0) is current device
mmc_send_cmd : timeout: No status update
gpio: pin 54 (gpio 54) value is 1
SD/MMC found on device 1
reading uEnv.txt
14 bytes read in 4 ms (2.9 KiB/s)
Loaded environment from uEnv.txt
Importing environment from mmc ...
gpio: pin 55 (gpio 55) value is 1
4215264 bytes read in 785 ms (5.1 MiB/s)
gpio: pin 56 (gpio 56) value is 1
22780 bytes read in 48 ms (462.9 KiB/s)
Booting from mmc ...
## Booting kernel from Legacy Image at 80007fc0 ...
Image Name: Angstrom/3.8.6/beaglebone
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 4215200 Bytes = 4 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
Using Device Tree in place at 80f80000, end 80f888fb

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[ 0.106018] pinctrl-single 44e10800.pinmux: prop pinctrl-0 index 0 invalid phandle
[ 0.222632] omap2_mbox_probe: platform not supported
[ 0.491820] tps65217-bl tps65217-bl: no platform data provided
[ 0.574847] bone-capemgr bone_capemgr.8: slot #0: No cape found
[ 0.611953] bone-capemgr bone_capemgr.8: slot #1: No cape found
[ 0.649062] bone-capemgr bone_capemgr.8: slot #2: No cape found
[ 0.686171] bone-capemgr bone_capemgr.8: slot #3: No cape found
[ 0.770697] pinctrl-single 44e10800.pinmux: pin 44e1080c already requested by mmc.4; cannot claim for gpio-leds.7
[ 0.781520] pinctrl-single 44e10800.pinmux: pin-3 (gpio-leds.7) status -22
[ 0.788731] pinctrl-single 44e10800.pinmux: could not request pin 3 on device pinctrl-single
systemd-fsck[82]: Angstrom: clean, 64450/112672 files, 338438/449820 blocks
[ 6.459469] libphy: PHY 4a101000.mdio:01 not found
[ 6.464514] net eth0: phy 4a101000.mdio:01 not found on slave 1


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

The Angstrom Distribution beaglebone ttyO0

Angstrom v2012.12 - Kernel 3.8.6

beaglebone login: root

Last login: Sat Jan 1 00:01:58 UTC 2000 on ttyO0
root@beaglebone:~# pwd
/home/root
root@beaglebone:~# ls
Desktop
root@beaglebone:~# /sbin/lsmod
Module Size Used by
g_multi 55953 0
libcomposite 15260 1 g_multi
ip_tables 8318 0
x_tables 15096 1 ip_tables
rfcomm 25134 0
ircomm_tty 14531 0
ircomm 8874 1 ircomm_tty
irda 90018 2 ircomm_tty,ircomm
ipv6 229821 12
hidp 10136 0
bluetooth 146108 4 hidp,rfcomm
rfkill 16550 2 bluetooth
autofs4 17456 2
root@beaglebone:~#

inserted by FC2 system