Hello,

I have an Ebony 440GP development board and as a test, I'm trying to run the hello_world application from the flash. I can run the application without any problems from the SDRAM (ie, "tftpboot 0x40000 hello_world.bin" and then run "go 0x40004").

However, I would like to burn the application into the onboard flash and execute it on powerup. If I copy the .bin to 0xff800000 and then set my bootcmd to "go 0xff80000" everything seems to work OK until I leave the board off for a while in which case the application displays garbage on the screen after U-Boot starts it. There appears to be a problem with some data in 0x40000 load area that isn't there when I power off the board and power it back on.

I've also tried converting the hello_world ELF to an .img by using /tools/mkimage and that causes the application to hang right after U-Boot passes control to it. Also, running "bootelf 0x40000" after "tftpboot 0x40000 hello_world" causes an exception.

So, in summary:

How do I load a stand-alone application .bin onto flash after loading it into RAM? Secondly, how do I load and run "hello_world" (ELF) correctly? I know I'm missing something really basic here!

Thanks.