A patch to make this work properly would be appreciated.
- kumar
On Mar 28, 2005, at 10:06 AM, Walter L. Wimer III wrote:
>
>
> Hi Mike,
>
> I had the same "hang" experience.? The file arch/ppc/platforms/pq2ads.c
> contains the following function:
>
> ? void __init
> ? m82xx_board_setup(void)
> ? {
> ? ????? /* Enable the 2nd UART port */
> ? ????? *(volatile uint *)(BCSR_ADDR + 4) &= ~BCSR1_RS232_EN2;
> ? }
>
>
>
> I had to ifdef-out the assignment statement above.? It appears that the
> definition for BCSR_ADDR in the kernel code differs from what U-Boot
> is
> using, and that area of memory isn't properly mapped into the kernel
> address space this early in the boot sequence.? As a result, I was
> getting an Oops() before the console was even enabled (I could see the
> Oops message by examining the kernel's printk log buffer using a
> BDI-2000 hardware debugger).
>
>
>
>
> Good luck,
>
> Walt Wimer
> TimeSys Corporation
>
>
>
>
>
> On Sun, 2005-03-27 at 11:31 +0200, Mike Rapoport wrote:
> > Hi,
> > I'm trying to bring up the Linux 2.6.11 on MPC8272ADS and it seem to
> > hang up at the very beginning.
> > I use ads8272_defconfig and then enable console on SCC:
> >
> > CONFIG_SERIAL_CPM=y
> > CONFIG_SERIAL_CPM_CONSOLE=y
> > CONFIG_SERIAL_CPM_SCC1=y
> >
> >
> > when I boot the kernel from the u-boot the system hangs up right
> after
> > the kernel decompression.
> >
>
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