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Subject: Re: [PATCH 7/16] Early serial debug support for PPC44x
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: David Gibson <david@gibson.dropbear.id.au>
In-Reply-To: <20070213061024.DA1ABDDD0C@ozlabs.org>
References: <20070213061024.DA1ABDDD0C@ozlabs.org>
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Date: Tue, 13 Feb 2007 09:04:47 -0600
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On Tue, 2007-02-13 at 17:10 +1100, David Gibson wrote:
> This patch adds support for early serial debugging via the built in
> port on IBM/AMCC PowerPC 44x CPUs.  It uses a bolted TLB entry in
> address space 1 for the UART's mapping, allowing robust debugging both
> before and after the initialization of the MMU.

When enabling this option, I get the following error:

 AS      arch/powerpc/kernel/head_44x.o
arch/powerpc/kernel/head_44x.S: Assembler messages:
arch/powerpc/kernel/head_44x.S:179: Warning: left operand is a bignum;
integer 0 assumed
arch/powerpc/kernel/head_44x.S:183: Error: bignum invalid
arch/powerpc/kernel/head_44x.S:184: Warning: left operand is a bignum;
integer 0 assumed
make[1]: *** [arch/powerpc/kernel/head_44x.o] Error 1
make: *** [arch/powerpc/kernel] Error 2

josh