Hi all!

I am just starting working with ARM. Before ARM I did some work with
PIC, 8051 and Coldfire. After initial problems were solved (like
setting up OpenOCD and Eclipse) I managed to get UART and timers
working and it's all great.
Now I have a problem with Ethernet. I base most of my code on LPC23XX
bundle code from NXP (which is for different compiler but so far I
managed to get it to work with gcc). As far as I can tell, I have a
problem with linker script as startup code never gets called, and CPU
locks somewhere (I can't debug it...). As far as linker script and
startup code goes, I have used some scripts from various sources I
found googling but am not sure if they are correct.

Does anyone have working linker script and startup code for LPC2366
that has ethernet and usb RAM sections configured? Maybe point me to
the place to start reading about linker scripts and LPC startup code?

Also I tried to change FreeRTOS demo for LPC2368 to work with LPC2366,
but it also locks and I can't debug it.

I use Yagarto toolchain, OpenOCD, Eclipse and Olimex ARM-USB-TINY
program/debug adapter. LPC2366 board is custom built.
Miodrag

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--- In l..., "miodragsm" wrote:
>
> Hi all!
>
> I am just starting working with ARM. Before ARM I did some work with
> PIC, 8051 and Coldfire. After initial problems were solved (like
> setting up OpenOCD and Eclipse) I managed to get UART and timers
> working and it's all great.
> Now I have a problem with Ethernet. I base most of my code on LPC23XX
> bundle code from NXP (which is for different compiler but so far I
> managed to get it to work with gcc). As far as I can tell, I have a
> problem with linker script as startup code never gets called, and CPU
> locks somewhere (I can't debug it...). As far as linker script and
> startup code goes, I have used some scripts from various sources I
> found googling but am not sure if they are correct.
>
> Does anyone have working linker script and startup code for LPC2366
> that has ethernet and usb RAM sections configured? Maybe point me to
> the place to start reading about linker scripts and LPC startup code?
>
> Also I tried to change FreeRTOS demo for LPC2368 to work with LPC2366,
> but it also locks and I can't debug it.
>
> I use Yagarto toolchain, OpenOCD, Eclipse and Olimex ARM-USB-TINY
> program/debug adapter. LPC2366 board is custom built.
> Miodrag
>

I forgot to add : I tried MCB2300BasicBlinkLed.rar from Files section,
and it works only if i comment following linker sections:

.usbram (NOLOAD):
{
__usbram_beg__ = .;
*(.dmaram)
__usbram_end__ = .;
} >usbram

.ethram (NOLOAD):
{
__ethram_beg__ = .;
*(.ethram)
__ethram_end__ = .;
} >ethram

I changed flash section in linker to 256K (LPC2366) and commented out
USB initialisation lines from main.c.

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