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Re: [PATCH] Enable AT_PLATFORM for Loongson 2F CPU

To: Robert Millan <>
Subject: Re: [PATCH] Enable AT_PLATFORM for Loongson 2F CPU
From: Robert Millan <>
Date: Tue, 16 Nov 2010 00:50:28 +0100
Cc: Ralf Baechle <>, wu zhangjin <>, David Daney <>, Aurelien Jarno <>,
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In-reply-to: <1289486855.14828.0@thorin> (from on Thu Nov 11 15:47:35 2010)
Original-recipient: rfc822;
References: <> <1289486855.14828.0@thorin>
El 11/11/10 15:47:35, en/na Robert Millan va escriure:
> -             __cpu_name[cpu] = "ICT Loongson-2";
> +             switch (c->processor_id & PRID_REV_MASK) {
> +             case PRID_REV_LOONGSON2E:
> +                     __cpu_name[cpu] = "ICT Loongson-2E";

Actually, the V0.2 / V0.3 that follows in cpuinfo output
already indicates revision.  And I noticed that appending
the 'E' or 'F' breaks GCC's -march=native option (which
works by parsing /proc/cpuinfo).

Please use this patch instead.

Attachment: loongson2f.diff
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