readme.txt

AT91SAM9260 KERNEL2.6.19/BUSYBOX 1.1.3

Linux demo for at91sam9260ek boards.


Both Nand Flash and Data Flash versions are provided.

AT91-ISP v1.7 or later is required.

- Connect a USB cable on the board.
- Connect a serial link on DBGU connector and open an HyperTerminal program for the associated COM port.
- Launch AT91SAM9260_demo_linux_DataFlash.bat for demo on Data Flash,
  or AT91SAM9260_demo_linux_NandFlash.bat for demo on Nand Flash.
- When the programmation log file appears, make a reset on the board and look at the HyperTerminal.

Note about the boot :
The bootram.nb0 features the dataflash recovery method.
An erase of the first dataflash page is performed if button BP4 on the board is pressed after reset. 
To erase the first dataflash page :
Push the button BP4
Push the reset button while BP4 is pressed
The following message is displayed on hyperterminal
"
INFO : Low Level Init : OK
Starting main ...
Testing BP4
BP4 is pressed. Erasing First Page of SPI data Flash CS1
Please reboot....
"

Software components versions :

u-boot svn TAG : u-boot-1.1.5_atmel_1.0 (Revision 274)
     Compilation note :
     -> in file include/configs/at91sam9260ek.h :
        define CFG_ENV_IS_IN_DATAFLASH to 1, and undef CFG_ENV_IS_IN_NAND for Data Flash u-boot version.
        define CFG_ENV_IS_IN_NAND to 1, and undef CFG_ENV_IS_IN_DATAFLASH for Nand Flash u-boot version.

AT91Bootstrap svn TAG : Bootstrap-v1.0
     Compilation note :
     -> in file at91sam9260ek.h : 
        define AT91C_SPI_PCS_DATAFLASH to AT91C_SPI_PCS1_DATAFLASH to run bootstrap on on-board Data Flash.