Lpc2000

Branko Karaklajic wrote:
> Hello everyone,
> 
> this is REPOST because of wrong subject on earlier message. I didn't
> want to hijack tread... sorry
> 
> ---
> 
> I successfully booted uClinux on LPC2292 with external 4MB flash and
> 4MB RAM!
> 
> But I started kernel only when I load image and romfs with JTAG to RAM
> and then start it from that address.
> 
> Now I must wrote bootloader. I have functions for initialization of
> external memory interfaces, loading images from flash to ram, and that
> is OK, but when I want to JUMP to start address of kernel... board
> reboots... This is part for jumping to kernel...
> 
> ---CODE---
> void kernel_jump()
> {
>      void (*kernelstart)(void);
> 
>      //KERNEL_START=0x81008000;
> 
>      kernelstart = (void (*)(void))KERNEL_START;
>      (*kernelstart)();
>     
> }
> -END CODE-
> 
> Anyone have idea what is wrong, or some code sample to jump to start
> of kernel...

I think it's not needed to dereference kernelstart.
Try invoking kernelstart simply as follows:
kernelstart();

Can you follow where it is going when doing this call with the
JTAG debugger?

Regards,
Bertrik