- 18 May, 2025
Supporting multiple build configurations with Yocto
When adding new MACHINE and DISTRO configurations to Yocto, handling build setup for all of them can become complicated. The increased complexity is especially obvious when new DISTRO configurations are introduced, since different build directories are needed in order to avoid polluting each other's environment (like we had in the previous post on QEMU NOR SPI). Having separate build directories a ...
- 04 May, 2025
QEMU SPI NOR flash with SWUpdate recovery
In the QEMU Custom SPI peripheral post the support for SPI controller for Cubieboard was introduced. A custom SPI peripheral was developed to demonstrate basic functionality. QEMU comes with out-of-th ...
- 17 Apr, 2025
Enabling USB for Cubieboard QEMU
Embedded systems support various serial or parallel interfaces for communication. In some of the posts in MistraSolutions blog interfaces like SPI and I2C were covered. Today, one more serial interfac ...
- 30 Mar, 2025
Making initramfs image with Yocto
Embedded systems can have different types of persistent (non-volatile) storage, like eMMC, SD card, NOR or NAND flash memory. Each storage type has advantages and disadvantages with regards to the rea ...
- 20 Oct, 2024
Custom SPI peripheral in QEMU
In previous posts the process for creating a custom memory mapped and I2C peripheral in QEMU was shown. In this post we will go through the process of creating a new SPI peripheral, and userspace supp ...