STM32 MPUs Embedded software

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mmc-spi error on STM32MP135-DK

We are using STM32MP135-DK and we connect to SPI5 an SD Card Adapter.We modified the device tree as follows to use the mmc-spi-slot driver: &spi5{    pinctrl-names = "default", "sleep";    pinctrl-0 = <&spi5_pins_mx>;    pinctrl-1 = <&spi5_sleep_pins...

OPetr.2 by Associate II
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Resolved! SD Card boot is not working, I get `SD_InitDetailedErrorDesc ( 0x0000001B )` when using the ROM Code Trace Analyzer. What does this mean?

I have a custom board with a STM32MP157AAB3 and I am trying to boot it with the SD card.   I have tested the SD card on a STM32MP157C-DK2 and it boots to Linux fine. When I probe the SD card lines, I can see the clock is toggling for a long time and ...

Resolved! EMMC system upgrade from SD Card

Hi,my system working fine from EMMC(written through cube programmer). I also have on my board an SD-Card slot and boot configuration pins. Is it possible to upgrade the system through SD-Card to EMMC via dd if=... from rootfs?How to prepare EMMC....r...

MWoło.2 by Senior II
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LBEE5KL1DX-883 issue with SDMMC3

Hi.. thereHope all are doing well We have designed our own custom board by taking the reference of the DK2 board, in which we're using the LBEE5KL1DX-883 WiFi/BT module from Murata at SDMMC3 somehow, the module is unable to detect!after dmesg of the...

Resolved! Check SDMMC bus from u-boot

Here the output of some commands issued on our target at u-boot stage:> STM32MP> mmc list > STM32 SDMMC2: 0 (SD) > STM32 SDMMC2: 1 > > STM32MP> ls mmc 0:4 > <DIR> 1024 . > <DIR> 1024 .. > <DIR> 12288 lost+found > 8192 u...

Mark81 by Associate III
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