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TinyVision reboot failure with v851se_linux_tinyvision_uart0_raw.zip.zip #31
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CCC means you enter the USB FEL, maybe it's a RTC reg set error. |
Do you have any recommendations to debug such an error? Reboot is useful in many cases. |
Do you mean it might be related to the lichee/brandy-2.0/spl/nboot/main/boot0_main.c And rtc_probe_fel_flag() became true? |
Some notes: Adding parameters to reboot or run a command like "echo "efex" > "/sys/devices/platform/soc/rtc/flag" And this seems would be read by "rtc_get_bootmode_flag" in brandy/brandy-2.0/u-boot-2018/board/sunxi/board_helper.c The serial output @ 115200 outputs
I feel the uboot has not been reached? |
Oh it might be the reason. I have not tried another sd card. I will try another sd card and also try to solder the nand flash for testing. If this is the issue, I will dump the sd signal for further analysis. |
It is a card issue. I was using a Sandisk Ultra 32GB card, and there was a reboot issue. When it works |
It happens both with the official image or my built from source.
When I run reboot in adb shell,
the serial port prints following code and freezes.
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