Blackfin uClinux test specification: Unterschied zwischen den Versionen

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Aktuelle Version vom 31. Oktober 2023, 09:03 Uhr

The following is a reference of commands etc. that we use to test our hardware with U-Boot/uClinux (Blackfin Core Modules and development boards).

Please note that not all listed tests are available for all Core Modules. Refer to the support matrix for more information.


U-Boot

Load U-Boot via serial

  • Set boot mode to UART boot
bfin-uclinux-ldr -l blackfin/blt-scripts.git/images/cm-bf527/u-boot-UARTBOOT.ldr /dev/ttyUSB0 && kermit ~/stuff/kermit0USB

Flash U-Boot and uClinux

  • U-Boot prompt:
setenv ipaddr 192.168.1.2
setenv serverip 192.168.1.1

CM-BF537E, CM-BF537U, TCM-BF537 only: 

setenv ubootfile u-boot.bin

All: 

run update
tftp 0x1000000 uImage
protect off 0x20040000 +$(filesize)
erase 0x20040000 +$(filesize)
cp.b 0x1000000 0x20040000 $(filesize)
  • Set boot mode to Parallel (TCM-BF518, CM-BF527, CM-BF561, eCM-BF561) or Bypass (CM-BF533, CM-BF537E, CM-BF537U, TCM-BF537) respectively
  • After a reset uClinux boots

Flash uClinux using JFFS2 image (for CMs with min. 4 MiB flash mem)

  • U-Boot prompt:
setenv ipaddr 192.168.1.2
setenv serverip 192.168.1.1
tftp 0x1000000 vmImage
protect off 0x20040000 +$(filesize)
erase 0x20040000 +$(filesize)
cp.b 0x1000000 0x20040000 $(filesize)
tftp 0x1000000 rootfs.jffs2

CM-BF527, CM-BF561: 

protect off 0x20140000 0x207fffff
erase 0x20140000 0x207fffff

eCM-BF561: 

protect off 0x20140000 0x21ffffff
erase 0x20140000 0x21ffffff

CM-BF537E: 

protect off 1:13-34
erase 1:13-34

CM-BF537U: 

protect off 1:13-31
erase 1:13-31

TCM-BF537: 

protect off 1:13-66
erase 1:13-66

All: 

cp.b 0x1000000 0x20140000 $(filesize)

CM-BF527: 

setenv bootargs root=/dev/mtdblock2 rw clkin_hz=50000000 earlyprintk=serial,uart0,115200 console=ttyBF0,115200 rootfstype=jffs2

CM-BF537E, TCM-BF537, CM-BF561, eCM-BF561: 

setenv bootargs root=/dev/mtdblock2 rw clkin_hz=25000000 earlyprintk=serial,uart0,115200 console=ttyBF0,115200 rootfstype=jffs2

CM-BF537U: 

setenv bootargs root=/dev/mtdblock2 rw clkin_hz=30000000 earlyprintk=serial,uart0,115200 console=ttyBF0,115200 rootfstype=jffs2

All: 

saveenv
  • After a reset uClinux boots

Ethernet test

  • U-Boot prompt:
setenv ipaddr 192.168.1.2
setenv ethact bfin_mac
ping 192.168.1.1
setenv ethact smc911x-0
ping 192.168.1.1

If available, both devices must be able to ping the 192.168.1.1 machine.

SD card test

  • Insert SD card, formatted with FAT partition, with file "uImage" on it
  • U-Boot prompt:

CM-BF548 only: 

mmcinfo

TCM-BF518, CM-BF527, CM-BF533, CM-BF537E, CM-BF537U, TCM-BF537, CM-BF561, eCM-BF561: 

mmc init

fatinfo mmc 0:1
fatls mmc 0:1
fatload mmc 0:1 0x1000000 /uimage
bootm
  • The uClinux kernel boots

USB test

U-Boot supports mass storage devices.

  • Connect USB mass storage device to mini-USB-plug, formatted with 1 partition (EXT2), uImage on it
  • Reset board
  • Start USB
usb start
usb storage
  • List files
ext2ls usb 0:1
  • Load uImage
ext2load usb 0:1 0x1000000 uImage
  • Boot Linux
bootm

Linux boots, hence uImage was read correctly.

uClinux

SD card test

  • Boot up Linux
  • Insert formatted SD card
  • Linux prompt:

eCM-BF561: 

modprobe spi_bfin5xx

TCM-BF518, CM-BF527, CM-BF533, CM-BF537E, CM-BF537U, TCM-BF537, CM-BF561, eCM-BF561: 

modprobe mmc_spi

CM-BF548 only: 

modprobe bfin_sdh

mkdir /mnt/card
mount /dev/mmcblk0p1 /mnt/card/
dd if=/dev/urandom of=/mnt/card/randomfile bs=1M count=1
md5sum /mnt/card/randomfile
umount /mnt/card/

TCM-BF518, CM-BF527, CM-BF533, CM-BF537E, CM-BF537U, TCM-BF537, CM-BF561, eCM-BF561: 

modprobe -r mmc_spi
modprobe mmc_spi

CM-BF548 only: 

modprobe -r bfin_sdh
modprobe bfin_sdh

mount /dev/mmcblk0p1 /mnt/card/
md5sum /mnt/card/randomfile

The md5sums are identical.

USB test

Device mode (CM-BF527, CM-BF548)

  • CM-BF527 only (uClinux prompt):
modprobe nop-usb-xceiv
modprobe usbcore
modprobe musb_hdrc
modprobe g_ether
  • Connect board to PC
  • uClinux prompt:
ifconfig usb0 up 192.168.4.2
  • PC prompt:
sudo ifconfig usb0 up 192.168.4.1
ping 192.168.4.2
  • uClinux prompt:
ping 192.168.4.1

Board and PC must be able to ping each other.

Device mode (CM-BF537U, TCM-BF537, CM-BF561, CM-BF533, TCM-BF518, CM-BF527 with EXT-BF5xx-USB-ETH2 board, CM-BF537E, eCM-BF561)

  • CM-BF527 only: You must change the Linux kernel configuration
Device Drivers  --->
  [*] USB support  --->
    <*>   USB Gadget Support  --->
      (2)   Maximum VBUS Power usage (2-500 mA)
      USB Peripheral Controller (PLX NET2272)  --->
      <*>   USB Gadget Drivers (Ethernet Gadget (with CDC Ethernet support))  --->
      [*]       RNDIS support
  • Connect board to PC
  • TCM-BF518, CM-BF533, CM-BF537E, CM-BF561, eCM-BF561: uClinux prompt
modprobe net2272
modprobe g_ether
  • Configure eth device
ifconfig usb0 up 192.168.4.2
  • PC prompt:
sudo ifconfig usb0 up 192.168.4.1
ping 192.168.4.2
  • uClinux prompt:
ping 192.168.4.1
  • TCM-BF518, CM-BF533, CM-BF537E, CM-BF561, eCM-BF561: Unload modules
modprobe -r g_ether
modprobe -r net2272

Board and PC must be able to ping each other.

Ethernet test

  • TCM-BF537, TCM-BF518, CM-BF527, CM-BF537E: Load kernel module (Linux prompt):
modprobe bfin_mac
- or -
modprobe smsc911x
  • CM-BF537U, eCM-BF561: Load kernel module (Linux prompt):
modprobe smsc911x
  • Configure eth interface
ifconfig eth0 up 192.168.1.2
  • Get file (Linux prompt):
tftp -r 1MBrandomfile -g 192.168.1.1
md5sum 1MBrandomfile
  • PC prompt:
md5sum /tftpboot/1MBrandomfile
  • TCM-BF537, TCM-BF518, CM-BF527, CM-BF537E (Linux prompt):
modprobe -r bfin_mac
- or -
modprobe -r smsc911x
  • CM-BF537U, eCM-BF561 (Linux prompt):
modprobe -r smsc911x

The md5sums must match. If available, the test must work for both Ethernet devices.

CAN test

  • You need two identical boards and core modules. Connect the CAN connectors with cables/wires (no crossover).
  • Linux prompt, both boards:
modprobe bfin-can
ip link set can0 type can bitrate 125000
ifconfig can0 up
  • Linux prompt, receiver side:
candump can0
  • Linux prompt, sender side:
cansend can0 123#AABBCCDD
cansend can0 123#R 
cansend can0 1F334455#1122334455667788
cansend can0 1F334455#R
  • On the receiver side, you must see the following messages:
can0  123  [4] AA BB CC DD
can0  123  [0] remote request
can0  1F334455  [8] 11 22 33 44 55 66 77 88
can0  1F334455  [0] remote request
  • Switch roles and do again

AD1836 Audio Test

  • TCM-BF518, CM-BF533 only: Change uClinux-dist configuration
Miscellaneous Applications --->
  [*] madplay
Blackfin app programs --->
  [*] ALSA utils

and recompile

  • TCM-BF518, CM-BF533, CM-BF537E, CM-BF537U, CM-BF561 only: Load SPI module
modprobe spi_bfin5xx
  • Load modules & check mixer
modprobe snd-ad183x
modprobe snd-pcm-oss
amixer
  • Connect headphone to X4 (near C213)
  • Connect audio input from PC to X3 (near C211)
  • Make a loop
arecord -f cd | aplay &
  • Change the volume
amixer sset 'DAC1' 0
amixer sset 'DAC1' 511
amixer sset 'DAC1' 1023
  • Kill loop
fg
Ctrl+C
  • Load mp3 file
tftp -r test.mp3 -g 192.168.1.1
  • Play mp3 file
madplay -o wave:- test.mp3 | aplay

TFT test (EXT-BF5xx-CAM)

  • Connect display to EXT-BF5xx-CAM board
  • Linux prompt
modprobe hitachi-tx09
  • You must see the text console on the screen
  • Change backlight intensity
echo 10 > /sys/class/backlight/hitachi-bl/brightness
echo 100 > /sys/class/backlight/hitachi-bl/brightness
  • Backlight intensity must change

TFT test (eDEV-BF5xx)

  • Connect Emerging Displays ET0500 display to eDEV board
  • Linux prompt: Load module
modprobe bfin-et0500
echo 100 > /sys/class/backlight/bfin-et0500/brightness
  • You must see the text console on the screen ("BusyBox...")
  • Change backlight intensity
echo 10 > /sys/class/backlight/bfin-et0500/brightness
echo 100 > /sys/class/backlight/bfin-et0500/brightness
  • Backlight intensity must change
  • Test picture: Download Datei:800x480-testpic.raw.tar and copy it onto the Blackfin (see Ethernet test to copy via Ethernet and TFTP)
tar -xf 800x480-testpic.raw.tar
dd if=800x480-testpic.raw of=/dev/fb0
  • You must see this test image on your display:
Datei:800x480-testpic.png

Touchscreen test

  • Connect display to EXT-BF5xx-CAM or eDEV-BF5xx board
  • Boot uClinux
  • Load kernel module
modprobe tsc2007
  • Start event_test
event_test /dev/input/event0
  • Tap and move on the TFT, you must see Input events (look for the X and Y values!)
  • Hit Ctrl+C
  • Unload kernel module
modprobe -r tsc2007

Board settings

CM-BF527/CM-BF527-64SD

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 11111111
S2: 10010100
S4: 0
JP1: 1
JP2: 1
JP3: 1
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 01111000

TCM-BF518

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 00000000
S2: 10001000
S4: 0
JP1: 1
JP2: 1
JP3: 0
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 10111000
EXT-BF5xx-AUDIO
SW100: 0

CM-BF533

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 00000000
S2: 00000100
S4: 0
JP1: 1
JP2: 1
JP3: 0
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 01111000
EXT-BF5xx-AUDIO
SW100: 1

CM-BF537E/CM-BF537E-64SD

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 11111111
S2: 00001011
S4: 0
JP1: 1
JP2: 1
JP3: 0
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 01111000
EXT-BF5xx-AUDIO
SW100: 0
EXT-BF5xx-CAM
JP1: 1
S1: 10000011
S2: 0
S3: 1

CM-BF537U

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 00000000
S2: 00011011
S4: 0
JP1: 1
JP2: 1
JP3: 0
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 01001000
EXT-BF5xx-AUDIO
SW100: 1
EXT-BF5xx-CAM
JP1: 1
S1: 10000011
S2: 0
S3: 1

TCM-BF537

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 00000000
S2: 00001011
S4: 0
JP1: 1
JP2: 1
JP3: 0
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 01111100
JP4 and JP5 (solder pads) of EVAL-BF5xx/DEV-BF5xxDA-Lite must be connected
EXT-BF5xx-AUDIO
SW100: 0

CM-BF561

EVAL-BF5xx/DEV-BF5xxDA-Lite
S1: 00000000
S2: 00000100
S4: 0
JP1: 1
JP2: 1
JP3: 0
JP6: 0
EXT-BF5xx-USB-ETH2
S1: 01111000
EXT-BF5xx-AUDIO
SW100: 0
EXT-BF5xx-CAM
JP1: 1
S1: 10000011
S2: 0
S3: 0

CM-BF548

DEV-BF548-Lite
S2: 0110
S3: 0
S4: 10001100
JP1: 0
JP2: 1
JP3: 1
JP4: 0
EXT-BF5xx-AUDIO
SW100: 1

eCM-BF561

eDEV-BF5xx
S2: 11111111
S3: 11111111
S5: 1
S6: 1000
JP1: open
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