Embedded Linux S3C2440 – Partitions an FileSytem (YAFFS2)

Summary Tested embedded Linux S3C2440 for partitions and YAFFS2 FileSystem with successful result. Embedded Linux S3C2440 booted up on Linux kernel with YAFFS2 FileSystem support and root_yaffs root file image downloaded to a partition of NAND flash. S3C2440 NAND flash 4 partition The NAND flash of S3C2440 board has been divided into 4 partitions. The […]

Embedded Linux S3C2440 – Kernel Debugging

Summary Conduct Kernel debugging test on Embedded Linux S3C2440 by using KGDB. KGDB has been integrated into Linux kernel from version 2.6.15, it requires a serial connection to the development host. It is a cross GDB running on the development host workstation. Refer to earlier blog entry Embedded Linux S3C2440 – Kernel Module, all the […]

Embedded Linux S3C2440 – Kernel Module

Summary Embedded Linux device driver is part of Linux kernel, application will use Linux device driver to interact with Linux Kernel. You can compile the driver into the kernel or you can compile the driver into module, load and use the module. Application programs have a main() function, where Linux drivers have macro module_init to […]

Embedded Linux S3C2440 Build and Boot an Image

Summary Tried to build and boot zImage on Embedded Linux S3C2440. Install Buildroot I tried to compile and install the latest Buildroot by downloading at https://buildroot.org/ , ‘buildroot-2018.02.9.tar.bz2’, the compiling and installation was successful, and change the /etc/profile to below, PATH=$PATH:/home/iot/buildroot-2018.02.9/output/host/usr/bin TARGET_DIR=/home/iot/buildroot-2018.02.9/output/target Note: you cannot use root to compile Buildroot. But the compiling for busybox […]

Embedded Linux S3C2440 Environment Startup

Summary Powering Up The Board Logging In and Exploring Reference Summary Summarize the Embedded Linux S3C2440 board startup, for the environment setup, can refer to another blog entry. Powering Up The Board Use the Xshell to login the Fedora, connect the serial port, and use minicom command to start the minicom, [root@localhost ~]# minicom Result […]

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