STM32 MPUs Products and hardware related

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Resolved! STM32MP1 cannot read M4 message

Hi! I have created a program to send messages between cores (A7 and M4), using virtual uart. The messages that are sent from the A7 core are received by the M4 core. My error occurs when I try to read the messages that are sent from the M4 core to th...

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TArre.1 by Associate III
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Why num_of_vrings is set to 0 if I start M4 code with spl and why is it set to 2 when I start code with linux?

Hi,I'm using stm32mp153c and I managed to start M4 code after the SPL initialization and before U-BOOT. All initializations work fine except for the MX_OPENAMP_Init.I see that if I start the code after SPL the variable of num_of_vrings (that is equa...

ASega.1 by Associate III
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TF-A VDD and phandle errors

Hi, I have upgraded to Ecosystem 3.1.1 and have started to get warnings in TF-A when booting up my stm32mp151c. These are the warnings: NOTICE: CPU: STM32MP151CAA Rev.B NOTICE: Model: STMicroelectronics custom STM32CubeMX board NOTICE: Bootrom aut...

JMour.2 by Associate II
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Resolved! About DDR Bitswapping

HiCurrently, I'm designing a PCB with "STM32MP151AAD3T".I'm developing our own PCB with reference to "STM32MP157x-EV1".​DDR trace wiring is described in Section 3.2 of "AN5122" as follows:**************************************************************...

tatsuya by Associate II
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  • 5 replies
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