From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp01.smtpout.orange.fr ([80.12.242.123] helo=smtp.smtpout.orange.fr) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YHGfN-0005tv-IO for barebox@lists.infradead.org; Fri, 30 Jan 2015 18:51:42 +0000 From: Robert Jarzmik References: <20150129091229.GA424@gmail.com> <20150129092151.GE12209@pengutronix.de> <87k305o0cd.fsf@free.fr> <20150130074017.GP12209@pengutronix.de> Date: Fri, 30 Jan 2015 19:51:19 +0100 In-Reply-To: <20150130074017.GP12209@pengutronix.de> (Sascha Hauer's message of "Fri, 30 Jan 2015 08:40:17 +0100") Message-ID: <87lhkkm7a0.fsf@free.fr> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Access to first 0x1000 byte on imx53/imx6 To: Sascha Hauer Cc: barebox@lists.infradead.org Sascha Hauer writes: > On Thu, Jan 29, 2015 at 08:25:54PM +0100, Robert Jarzmik wrote: >> Sascha Hauer writes: >> I think the solution in arch/arm/boards/mioa701/board.c (remapping the 0x0 >> address) should work here : >> docg3_iospace = map_io_sections(0x0, (void *)0xe0000000, 0x2000); > > We could create a /dev/zeropage with the code above. That would make the > zero page generally available. I don't know if this is worth the effort > though. Yeah, I don't know if it's worth it either. And how "big" should this /dev/zeropage be (4k, 1M, ...) ? Cheers. -- Robert _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox