refs #41059: BSP/SDK:

- replaced the i2c test script
- added CPU load to i2c test script using stress-ng tool
- commented out the EEPROM test per default since it will destroy the EEPROM if run excessively

recipes-bsp/images/guf-image.bb

@@ -12,6 +12,7 @@ CORE_IMAGE_BASE_INSTALL += " \
     nano \
     strace \
     gdb \
+    stress \
     bbb \
     gstreamer1.0 \
     gstreamer1.0-plugins-base \

recipes-test/gfi2c/files/i2c_test_santino.sh

-#/bin/bash
-
-# PMIC PFUZE3000
-(while : ; do gfi2c --test /dev/i2c-0 0x08 0x1c 0xff 0x1d 0xff -n 4000 -v; done) &
-
-# SGTL5000
-(while : ; do gfi2c --test /dev/i2c-0 0x0a 0x0120 0xffff 0x0122 0xffff -n 4000 -v -r 16 -w 16; done) &
-
-# LM75
-(while : ; do gfi2c --test /dev/i2c-0 0x49 0x3 0xff80 0x2 0xff80 -n 4000 -v -w 16; done) &
-
-# RTC PCF8563
-(while : ; do gfi2c --test /dev/i2c-0 0x51 0xa 0x3f 0xb 0x3f -n 4000 -v; done) &
-
-# Touch SIS9255
-
-# EEPROM M24C32 (This test writes 'Garz & Fricke' to EEPROM reads it back and compares it in a loop)
-(while : ; do \
-  dd if=/dev/zero of=/sys/bus/i2c/devices/0-0050/eeprom bs=1 count=64 >& /dev/null; \
-  echo "Garz & Fricke" > /tmp/eeprom_in.txt; \
-  dd if=/tmp/eeprom_in.txt of=/sys/bus/i2c/devices/0-0050/eeprom bs=1 count=14 >& /dev/null; \
-  dd if=/sys/bus/i2c/devices/0-0050/eeprom of=/tmp/eeprom_out.txt bs=1 count=14 >& /dev/null; \
-  diff /tmp/eeprom_in.txt /tmp/eeprom_out.txt; \
-  cmp /tmp/eeprom_in.txt /tmp/eeprom_out.txt || echo "EEPROM error: " && diff /tmp/eeprom_in.txt /tmp/eeprom_out.txt; \
-done) &
-
-
-

recipes-test/gfi2c/gfi2c/i2c_test_santino.sh

@@ -15,14 +15,17 @@
 # Touch SIS9255
 
 # EEPROM M24C32 (This test writes 'Garz & Fricke' to EEPROM reads it back and compares it in a loop)
-(while : ; do \
-  dd if=/dev/zero of=/sys/bus/i2c/devices/0-0050/eeprom bs=1 count=64 >& /dev/null; \
-  echo "Garz & Fricke" > /tmp/eeprom_in.txt; \
-  dd if=/tmp/eeprom_in.txt of=/sys/bus/i2c/devices/0-0050/eeprom bs=1 count=14 >& /dev/null; \
-  dd if=/sys/bus/i2c/devices/0-0050/eeprom of=/tmp/eeprom_out.txt bs=1 count=14 >& /dev/null; \
-  diff /tmp/eeprom_in.txt /tmp/eeprom_out.txt; \
-  cmp /tmp/eeprom_in.txt /tmp/eeprom_out.txt || echo "EEPROM error: " && diff /tmp/eeprom_in.txt /tmp/eeprom_out.txt; \
-done) &
-
-
+# NOTE: THIS TEST WILL DESTROY THE EEPROM IF RUNNING EXCESSIVELY, USE IT JUST A FEW SECONDS
+#(while : ; do \
+#  dd if=/dev/zero of=/sys/bus/i2c/devices/0-0050/eeprom bs=1 count=64 >& /dev/null; \
+#  echo "Garz & Fricke" > /tmp/eeprom_in.txt; \
+#  dd if=/tmp/eeprom_in.txt of=/sys/bus/i2c/devices/0-0050/eeprom bs=1 count=14 >& /dev/null; \
+#  dd if=/sys/bus/i2c/devices/0-0050/eeprom of=/tmp/eeprom_out.txt bs=1 count=14 >& /dev/null; \
+#  diff /tmp/eeprom_in.txt /tmp/eeprom_out.txt; \
+#  cmp /tmp/eeprom_in.txt /tmp/eeprom_out.txt || echo "EEPROM error: " && diff /tmp/eeprom_in.txt /tmp/eeprom_out.txt; \
+#done) &
+
+# Provoke I2C timeout errors due to CPU load.
+# If this test fails, i2c-imx GUF changes has to be applied to the driver.
+stress-ng --cpu 4