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=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 BB030C38A24 for ; Thu, 7 May 2020 17:06:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C4DF2083B for ; Thu, 7 May 2020 17:06:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=pobox.com header.i=@pobox.com header.b="NGFtjfPF"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=fluxnic.net header.i=@fluxnic.net header.b="MaPw6LnU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726744AbgEGRG6 (ORCPT ); Thu, 7 May 2020 13:06:58 -0400 Received: from pb-smtp20.pobox.com ([173.228.157.52]:65384 "EHLO pb-smtp20.pobox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726320AbgEGRG6 (ORCPT ); Thu, 7 May 2020 13:06:58 -0400 Received: from pb-smtp20.pobox.com (unknown [127.0.0.1]) by pb-smtp20.pobox.com (Postfix) with ESMTP id 33CB5CFAE7; Thu, 7 May 2020 13:06:56 -0400 (EDT) (envelope-from nico@fluxnic.net) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=date:from:to :cc:subject:in-reply-to:message-id:references:mime-version :content-type; s=sasl; bh=wsB7vfwmQfdBokqb0x4yo5jSkDk=; b=NGFtjf PF8iI8LkJM1oGKJNXHmpUaxSscVhfGP4CyphTSRz25tl6tVfm0qNsuyHwCSRgP39 eyyQ4Qaygn3vN/G8l6/2a4W7DD/qo/vHI0SM0RvYJheztPy/TYTdPyScs+udQ9Um jyRDZnhtUG5G8uGbgHyB2BMQhE2185YWfSSmc= Received: from pb-smtp20.sea.icgroup.com (unknown [127.0.0.1]) by pb-smtp20.pobox.com (Postfix) with ESMTP id 2B4D2CFAE6; Thu, 7 May 2020 13:06:56 -0400 (EDT) (envelope-from nico@fluxnic.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=fluxnic.net; h=date:from:to:cc:subject:in-reply-to:message-id:references:mime-version:content-type; s=2016-12.pbsmtp; bh=zKz7M+6uQ/pPg0SWSMwNYVJfJIK1Jf19NKAW3730+7A=; b=MaPw6LnUNT/1OPZ8V7dDe4Mv0sHLDdugvCG3zlBCHU/KBBVsqNeEd8SwcICbdadJGjNgtHdbnDlY85ID+CFfcnVe4RqbQJ2MZsCsIuX0k7AfH0lg25I/H1eX9T1GlboGuM/tk72lwu2wwUiWCASgEOCR9vjpOxCVLDz37yAN+tc= Received: from yoda.home (unknown [24.203.50.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-smtp20.pobox.com (Postfix) with ESMTPSA id F067BCFAE5; Thu, 7 May 2020 13:06:52 -0400 (EDT) (envelope-from nico@fluxnic.net) Received: from xanadu.home (xanadu.home [192.168.2.2]) by yoda.home (Postfix) with ESMTPSA id 0E4B32DA0CE1; Thu, 7 May 2020 13:06:51 -0400 (EDT) Date: Thu, 7 May 2020 13:06:50 -0400 (EDT) From: Nicolas Pitre To: Geert Uytterhoeven cc: Magnus Damm , Chris Brandt , Arnd Bergmann , Russell King , Linux-Renesas , Linux ARM Subject: Re: [PATCH/RFC] ARM: dts: rza2mevb: Upstream Linux requires SDRAM In-Reply-To: Message-ID: References: <20200507080528.547-1-geert+renesas@glider.be> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Pobox-Relay-ID: 25F3FEEA-9085-11EA-B169-B0405B776F7B-78420484!pb-smtp20.pobox.com Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org On Thu, 7 May 2020, Geert Uytterhoeven wrote: > Hi Nicolas, > > On Thu, May 7, 2020 at 4:58 PM Nicolas Pitre wrote: > > On Thu, 7 May 2020, Geert Uytterhoeven wrote: > > > > > As upstream Linux does not support XIP, > > > > What? > > Not for an ARM v7 platform: > > config XIP_KERNEL > bool "Kernel Execute-In-Place from ROM" > depends on !ARM_LPAE && !ARCH_MULTIPLATFORM Of course this is an artificial limitation. You can have XIP on ARMv7 if you want. It requires some kconfig tweaks though. Nicolas 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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 2AED7C38A24 for ; Thu, 7 May 2020 17:07:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DFBA72083B for ; Thu, 7 May 2020 17:07:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="efVIj+Zf"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=pobox.com header.i=@pobox.com header.b="NGFtjfPF"; 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Thu, 7 May 2020 13:06:56 -0400 (EDT) (envelope-from nico@fluxnic.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=fluxnic.net; h=date:from:to:cc:subject:in-reply-to:message-id:references:mime-version:content-type; s=2016-12.pbsmtp; bh=zKz7M+6uQ/pPg0SWSMwNYVJfJIK1Jf19NKAW3730+7A=; b=MaPw6LnUNT/1OPZ8V7dDe4Mv0sHLDdugvCG3zlBCHU/KBBVsqNeEd8SwcICbdadJGjNgtHdbnDlY85ID+CFfcnVe4RqbQJ2MZsCsIuX0k7AfH0lg25I/H1eX9T1GlboGuM/tk72lwu2wwUiWCASgEOCR9vjpOxCVLDz37yAN+tc= Received: from yoda.home (unknown [24.203.50.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-smtp20.pobox.com (Postfix) with ESMTPSA id F067BCFAE5; Thu, 7 May 2020 13:06:52 -0400 (EDT) (envelope-from nico@fluxnic.net) Received: from xanadu.home (xanadu.home [192.168.2.2]) by yoda.home (Postfix) with ESMTPSA id 0E4B32DA0CE1; Thu, 7 May 2020 13:06:51 -0400 (EDT) Date: Thu, 7 May 2020 13:06:50 -0400 (EDT) From: Nicolas Pitre To: Geert Uytterhoeven Subject: Re: [PATCH/RFC] ARM: dts: rza2mevb: Upstream Linux requires SDRAM In-Reply-To: Message-ID: References: <20200507080528.547-1-geert+renesas@glider.be> MIME-Version: 1.0 X-Pobox-Relay-ID: 25F3FEEA-9085-11EA-B169-B0405B776F7B-78420484!pb-smtp20.pobox.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200507_100659_410607_902D7391 X-CRM114-Status: GOOD ( 10.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Magnus Damm , Russell King , Linux-Renesas , Chris Brandt , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 7 May 2020, Geert Uytterhoeven wrote: > Hi Nicolas, > > On Thu, May 7, 2020 at 4:58 PM Nicolas Pitre wrote: > > On Thu, 7 May 2020, Geert Uytterhoeven wrote: > > > > > As upstream Linux does not support XIP, > > > > What? > > Not for an ARM v7 platform: > > config XIP_KERNEL > bool "Kernel Execute-In-Place from ROM" > depends on !ARM_LPAE && !ARCH_MULTIPLATFORM Of course this is an artificial limitation. You can have XIP on ARMv7 if you want. It requires some kconfig tweaks though. Nicolas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel