Re: Powerpc and ioremap

Thanks for your answer.
But it doesn't work.
I think ioremap create a kernel panic. But I can't see because i have no
UART ready.
Is there a way in order to trace the failure ?

2008/8/7, Juergen Beisert [off-list ref]:

Am Donnerstag, 7. August 2008 11:54 schrieb Sébastien Chrétien:

quoted

Hello,

I am trying to port linux on my Powerpc Board. I have used Linux 2.6.26

and

quoted

gcc 3.4.5.
I have used Uboot 1.2.
Linux seems running from _start to udbg_early_init(). That's why I
develloped a udbg_driver.
It must write in a register which is located at 0x2001b044. So I wrote :

void __iomem *p;
p=ioremap(0x2001b044,4);
iowrite32('O',p);
iowrite32('K',p);

try

p=ioremap(0x2001b000, 0x1000);
iowrite32('O',p + 0x44);
iowrite32('K',p + 0x44);

instead.

jbe

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