ksz8041 bring up
It seems that I have a problem with DMA, but I'm not sure. Would you please take a look at the below screenDts looksI intend to achieve MII with self-generated quartz.Unfortunately, I'm stuck on this "Failed to reset the DMA".
STM32 MPUs Products and hardware related
Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
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Resolved! I just received STM32MP157F-EV1. On boot, the LCD displays nothing and the onboard ST-Link will not properly enumerate (Windows says "USB Device Not Recognized"). Latest ST-Link driver is installed and working with other kits. Is this a faulty board?
The ST-Link LEDs are very dimly lit when powered...they are much brighter on my STM32MP157F-DK2 board. I suspect some hardware problem with the MPU board. Also, the CPU LEDs do appear to be running (the Linux Blue LED blinks after a while, and with...
Bluetooth tty instance not showing up in /dev/tty*
Hi,I'm using a Wifi/BT module with CYW4343W chip on a custom board with STM32MP157.When booting the system, the driver is loaded correctly and dmesg log shows[ 1.089865] 4000e000.serial: ttySTM1 at MMIO 0x4000e000 (irq = 24, base_baud = 6250000) i...
Resolved! [ 120.369992] dwc2 49000000.usb-otg: Overcurrent change detected
Hi!After starting custom board there are a lot of similar messages in dmesg (10 per second):[ 200.480616] dwc2 49000000.usb-otg: Overcurrent change detected....[ 203.598775] dwc2 49000000.usb-otg: Overcurrent change detectedUSB is not working. LED on...
Use lan9303 in mdio mode on STM32MP157
Hi,I am trying to use the lan9303 chip in mdio managed mode on a stm32mp157-based board.I configured the Device tree according to https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next/+/refs/heads/akpm-base/Documentation/devicetr...
Resolved! Device tree and clock configurations
Hi,We are using the STM32MP157f-ev1 board for our initial development and this is our first time using Linux kernel, we have been following the development package wiki links for building kernel, u-boot and tf-a. We used the STM32CubeIDE's inbuilt cu...
Resolved! On dk2, how can I get the ST-Link microUSB port connection to enumerate?
As stated in the title, I'm having trouble getting the ST-Link microUSB port connections to enumerate on the PC (Linux). I have two of the dk2 boards, and they have the same behavior. The only way they enumerate on the host is through the DFU mechani...
Resolved! How to configure 512MB*2 DDR ram in u boot?
Hi,We are using stm32mp157a processorin Ubootv2018.11-stm32mp1-r2.1 version. In this DDR has 512MB of memory. We want to change DDR size 512MB to 1 GB ,how can we do that? and what are the files we need to modify for changing ddr size in uboot? Ple...
