From raspberry pi gpio pins, ID_SC and ID_SD are reserved by
firmware to detect HAT with i2c, but in Tizen, auto-detection
and dynamical setting dt with overlay is not supported.
To use the pins for uart2, explictly disable eeprom i2c hat
auto detect.
Ref: https://www.raspberrypi.org/documentation/configuration/config-txt/boot.md
Change-Id: Id5cf016b09e7661317529e1174842915165955bc
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
# Enable DRM VC4 V3D driver on top of the dispmanx display stack
dtoverlay=vc4-fkms-v3d
max_framebuffers=2
+
+# Disable ID_SC and ID_SD pins to use UART2
+force_eeprom_read=0
+
kernel=u-boot.bin
[all]
# Enable DRM VC4 V3D driver on top of the dispmanx display stack
dtoverlay=vc4-fkms-v3d
max_framebuffers=2
+
+# Disable ID_SC and ID_SD pins to use UART2
+force_eeprom_read=0
+
kernel=u-boot.bin
[all]