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Date: Mon, 28 Jul 2003 15:20:14 -0500
From: Louis Hamilton <hamilton@redhat.com>
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To: William Jhun <wjhun@Oswego.EDU>
CC: linux-mips@linux-mips.org
Subject: Re: [patch] Mips64 Ocelot-C and Jaguar ATX platform support
References: <Pine.SOL.4.30.0307281503540.7737-100000@rocky.oswego.edu>
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Will,

William Jhun wrote:

>Louis,
>
>Using Ralf's pre-packaged mips64 gcc 2.95.4 / binutils 2.13.2.1 .rpm, I
>wasn't able to get this to build without having CPU-specific gcc opts
>(patch below, please verify what flags are appropriate). Also, shouldn't
>
Arggh.. my (different) build environment meant messing with options in my
arch/mips64/Makefile  (like using "-march=rm9000" instead of 
"-mcpu=r8000 -mips4").
The CFLAGS change below looks fine.
Btw, an ifdef for CONFIG_CPU_RM7000 will be required too, using the
same CFLAGS options as the rm9000.

>
>define_bool CONFIG_BOOT_ELF32 y
>
>be in the config-shared.in in the jaguar section? 
>
yes

>
>
>At this point (with latest linux_2_4 tree), I can boot the kernel but get
>a hang after mounting NFS root via the gt64340 eth0. If I can find a
>serial cable for the second port, I might try to step with kgdb...
>
>Thanks,
>Will
>
thanks

>
>Index: arch/mips64/Makefile
>===================================================================
>RCS file: /home/cvs/linux/arch/mips64/Makefile,v
>retrieving revision 1.22.2.34
>diff -U3 -r1.22.2.34 Makefile
>--- arch/mips64/Makefile        5 Jul 2003 13:17:04 -0000       1.22.2.34
>+++ arch/mips64/Makefile        28 Jul 2003 18:37:47 -0000
>@@ -79,6 +79,9 @@
> #CFLAGS                += -mips64      # Should be used then we get a
>MIPS64 compiler
> CFLAGS         += -mcpu=r8000 -mips4
> endif
>+ifdef CONFIG_CPU_RM9000
>+GCCFLAGS       += -mcpu=r8000 -mips4
>+endif
>
> #
> # We unconditionally build the math emulator
>
>On Wed, 23 Jul 2003, Louis Hamilton wrote:
>
>>Ralf,
>>
>>Here is 64-bit support for both the RM7000-based Ocelot-C and
>>RM9000-based Jaguar ATX platforms.
>>Since the port was 2.4.21 based, this patch submission is for the 2.4 tree.
>>This patch supersedes the Ocelot-C patch I sent earlier, since it
>>encompasses both platforms.
>>
>>Notes the board support lives under arch/mips/momentum.
>>Also, CONFIG_BOARD_SCACHE and CONFIG_RM7000_CPU_SCACHE are utilized and
>>integrated into each platform's default configuration files.
>>As in the first patch, drivers/net/mv64340_eth.{c,h} is added to provide
>>ethernet support.
>>
>>If it looks ok, please check changes into the tree.
>>
>>Regards,
>>Louis
>>
>>Louis Hamilton
>>Red Hat, Inc.
>>
>>