From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33E8FC17460 for ; Tue, 5 Nov 2019 13:54:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 03A5121928 for ; Tue, 5 Nov 2019 13:54:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=flygoat.com header.i=@flygoat.com header.b="mEgXY4Um" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389326AbfKENy0 (ORCPT ); Tue, 5 Nov 2019 08:54:26 -0500 Received: from forward105j.mail.yandex.net ([5.45.198.248]:39976 "EHLO forward105j.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388000AbfKENy0 (ORCPT ); Tue, 5 Nov 2019 08:54:26 -0500 Received: from mxback21g.mail.yandex.net (mxback21g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:321]) by forward105j.mail.yandex.net (Yandex) with ESMTP id 9D17AB21B40; Tue, 5 Nov 2019 16:54:24 +0300 (MSK) Received: from iva6-6f4302ae52e5.qloud-c.yandex.net (iva6-6f4302ae52e5.qloud-c.yandex.net [2a02:6b8:c0c:9a82:0:640:6f43:2ae]) by mxback21g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id ZBm7sbOyma-sNBGlT5G; Tue, 05 Nov 2019 16:54:24 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; s=mail; t=1572962064; bh=TQqa08jA/tSCsuSUfu/tQBywDWyXH7Wco/2dW4hQIfI=; h=From:To:Subject:CC:References:Date:In-Reply-To:Message-ID; b=mEgXY4UmNSpGOjX2cEnZE9/Z+R5UT8O2qBhRXGjgVznI6EaTcqkX7LUPHsdg/0ZGV yKB+W3b6mPQUL6BeszY7V7c7g4AfD78akoxAN5I8ua3F5FU9XhGideSdCJeCjHprLS 2nhYIn61BYsF0ayHe+p5rxBPtkhqsjWWEzebH8yM= Authentication-Results: mxback21g.mail.yandex.net; dkim=pass header.i=@flygoat.com Received: by iva6-6f4302ae52e5.qloud-c.yandex.net (nwsmtp/Yandex) with ESMTPSA id iP7fy47uYU-sMVCFrTe; Tue, 05 Nov 2019 16:54:22 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) Date: Tue, 05 Nov 2019 21:54:05 +0800 User-Agent: K-9 Mail for Android In-Reply-To: References: <1572758417-29265-1-git-send-email-chenhc@lemote.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH 1/3] MIPS: Loongson: Remove Loongson-2E/2F support To: "Maciej W. Rozycki" , Huacai Chen CC: Ralf Baechle , James Hogan , Paul Burton , linux-mips@linux-mips.org, linux-mips@vger.kernel.org, Fuxin Zhang , Zhangjin Wu , Huacai Chen From: Jiaxun Yang Message-ID: <0279E7A7-197D-4D6B-9A4B-26E6791372E0@flygoat.com> Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org =E4=BA=8E 2019=E5=B9=B411=E6=9C=884=E6=97=A5 GMT+08:00 =E4=B8=8A=E5=8D=887= :08:26, "Maciej W=2E Rozycki" =E5=86=99=E5=88=B0: >On Sun, 3 Nov 2019, Huacai Chen wrote: > >> Loongson-2E/2F is old, inactive and a bit ugly, so let's remove them >> and the world will be more comfortable=2E > > People still use them, e=2Eg=2E I do, and upstream removal causes an iss= ue >with the need to backport changes not specific to the platform=2E > >If you don't want to maintain the code, then just mark it orphan and >rely=20 >on the community to maintain it=2E If it starts breaking and nobody >picks=20 >it to make fixes, then it can be removed=2E There's no need to rush IMO= =2E > >BTW, there used to be a patch somewhere to support more than 512MiB of=20 >DRAM with the 2E, but I can't find it -- can you help me tracking it Hi Maciej It seems like DRAM size issue is a firmware issue rather than kernel issue= , some early versions of PMON don't pass highmem size correctly to the Kern= el=2E Probably you can manually set it in loongson-2ef/common/mem=2Ec=EF=BC=9F Currently I can't find any working Fuloong-2E to test but the newest known= PMON can be found here[1]=2E Thanks [1] https://mirrors4=2Etuna=2Etsinghua=2Eedu=2Ecn/loongson/pmon/pmon_2e=2E= bin https://mirrors4=2Etuna=2Etsinghua=2Eedu=2Ecn/loongson/pmon/pmon_2e=2Ebin= =2Emd5 --=20 Jiaxun Yang