We have an virtual uart FreeRTOS application running on CM4, it captures SPI data and sends to A7 through virtual uart. Sometimes, the FreeRTOS application freezed, A7 can not read the data through /dev/ttyRPMSG0 again, at the same thime, Linux 5.4....
I'm trying to build the large buffer exchange example but have been unsuccessful so far. I have the distribution installed and have no problem building the default package but when I try to build with the logic analyzer I get repo failures and compi...
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Hy, I'm following all the wiki on stm32MP1-DK2 , I wan't to install PPP on it but like other things (htop for example) seems to be not available, maybe a stupid question but an answer will be appreciated,this is the log:apt-get install pppreading pac...
the kernel log is : mdio_bus stmmac-0: MDIO device at address 7 is missing.phy chip is : ksz9031mpu is : stm32mp157cac3my dts config is : ðernet0 { status = "okay"; pinctrl-0 = <ðernet0_rgmii_pins_a>; pinctrl-1 = <ðernet0_rgmii_pins_slee...
Hi all,I'm currently trying to change the CPU frequency of my STM32MP157C-DK2. - Without success...Here is what I've done.Change 'stm32mp15xa.dtsi' for Kernel and TF-Adiff --git a/arch/arm/boot/dts/stm32mp15xa.dtsi b/arch/arm/boot/dts/stm32mp15xa.dts...
I have a question,I have no any USB-OTG interface can be used to help me burning and I can only use SD card to run my board. How can I make this SD-Card work only on linux command lines for example "dd" and so on. I have made tf-a uboot kernel(image...
I’m having some trouble getting u-boot to boot from eMMC. I’ve evaluated my system using the DK2(using SDCARD) and i’m now porting to a custom board. The custom board contains a STM32MP157CAB and a eMCC connected at sdmmc2.My u-boot devicetree(stm32m...
Hi:When I do not enable sdmmc1 in the device tree , a null pointer error will appear, as follows: Unable to handle kernel NULL pointer dereference at virtual address 00000020[ 4.406546] pgd = b1eff48d[ 4.409244] [00000020] *pgd=00000000[ 4.412826]...