SRC_URI += "file://pxa1826-cfg.tar.gz;subdir=$BP" do_install() install -d $D/etc/pxa1826 cp -r $S/pxa1826-cfg/* $D/etc/pxa1826/
1. Overview File Name: pxa1826-cfg.tar.gz File Type: Compressed Tarball (gzip-compressed tar archive) Target Platform: Marvell PXA1826 application processor (ARM architecture, typically used in industrial, automotive, or enterprise embedded systems) Purpose: Contains configuration files, initialization scripts, device tree blobs, and possibly binary firmware blobs for the PXA1826 SoC. pxa1826-cfg.tar.gz
The PXA18xx family is known for its integrated power management, security features, and connectivity options (e.g., Ethernet, CAN, USB). This configuration archive likely serves as a BSP configuration overlay or factory image configuration set. Upon extraction ( tar -xzf pxa1826-cfg.tar.gz ), typical contents may include: SRC_URI += "file://pxa1826-cfg
Alternatively, used as a separate package: pxa1826-config that pulls this archive from an artifact server. | Symptom | Possible config cause | |---------|----------------------| | Kernel panic at boot | Wrong console UART or root= parameter in bootscript. | | Touchscreen reversed axes | Incorrect calibration values. | | CAN bus errors | Bitrate mismatch – check can0.conf . | | Ethernet MAC random each boot | Missing OTP or fixed MAC in network config. | | Failed secure boot | Mismatched signing keys in /security/ . | 9. Conclusion pxa1826-cfg.tar.gz is a critical artifact for any embedded system based on the Marvell PXA1826. It centralizes all hardware‑specific tuning, boot parameters, and security provisioning. Treat this file as a version‑controlled, signed asset in your firmware delivery pipeline. Always validate its contents before deploying to production devices. This configuration archive likely serves as a BSP