ARM Linux: Can I control cache flush and invalidation in user space?

These days I'm using Xilinx SoC to design a software, which shares memory between Cortex-A cores and FPGA. I've tried reserve memory in Linux and mmap() /dev/mem. The problem is if I use O_SYNC, it very...
AMBA AHB Lite addressable space for byte size transfer

Hi, It looks like when using a transfer size of one Byte, the position of this data on the 32-Bit bus must be set via ADDRESS[1:0]. This means that for a Byte transfer, the addressable space is reduced...
CPUIdle Marvell SoC

Hello, I'm facing an issue with some of the linux kernel code. I'm trying to use the CPU suspend fonction (located in arch/arm/kernel/sleep.s) of the linux next kernel The code is the following: ...
Which OS is a best choice for a beginner of embedded technology?

In my opinion Linux OS is a best choice for newbies to learn embedded system. As It is an open source system,which could help learners gradually master this embedded operation system through many times...
Alignment Address Calculation in AHB

Hello I want to know the calculation for HSIZE=2 and Wrap 8 and starting address is 0x4 and how we are doing alignment ???