Download DevKit8500D/A User Manual

1)
X-loader is a first level bootstrap program. After the system start-up, the ROM inside the CPU
will copy the x-loader to internal RAM and perform its routine work. Its main function is to initialize
the CPU, copy u-boot into the memory and give the control to u-boot;
2)
U-boot is a second level bootstrap program. It is used for interacting with users and updating
images and leading the kernel;
3)
The latest 2.6.x kernel is employed here and it can be customized based on DevKit8500D/A;
4)
Rootfs employs Open-source system. It is small in capacity and powerful, very suitable for
embedded systems;
3.3 Software Features
Item
Note
NAND / ONENAND
x-loader
MMC/SD
FAT
BIOS
NAND / ONENAND
MMC/SD
u-boot
FAT
NET
Supports ROM/CRAM/EXT2/EXT3/FAT/NFS/
Kernel
Linux-2.6.x
JFFS2/UBIFS and various file systems
Serial
Series driver
Rtc
Hardware clock driver
Net
10/100M Ethernet card DM9000 driver
Flash
nand flash driver (supports nand boot)
LCD
TFT LCD driver
Device Driver
Touch
Touch screen controller ads7846 driver
screen
mmc/sd
mmc/sd controller driver
usb otg 2.0 driver (can be configured as slave
usb otg
device currently)
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