From owner-freebsd-embedded@freebsd.org Thu Jun 28 23:10:45 2018 Return-Path: Delivered-To: freebsd-embedded@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 15F21102BED3 for ; Thu, 28 Jun 2018 23:10:45 +0000 (UTC) (envelope-from manu@bidouilliste.com) Received: from mail.blih.net (mail.blih.net [212.83.177.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.blih.net", Issuer "mail.blih.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 807957357F for ; Thu, 28 Jun 2018 23:10:44 +0000 (UTC) (envelope-from manu@bidouilliste.com) Received: from mail.blih.net (mail.blih.net [212.83.177.182]) by mail.blih.net (OpenSMTPD) with ESMTP id d48c1ea7; Fri, 29 Jun 2018 01:10:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=bidouilliste.com; h=date :from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=mail; bh=qrv84cRBmidrTc29IjRLI+XqkEs=; b=nqEsETXATqM4oWbFuP+CGi8R2lqt eONxdHzJcTXcp8rS5+fbafJUo0PMAWc1IACYchB2YPbiuebvXQQUnNDFqv4W2XLm OkjuqksM/xjjjv+TLFRULUMS/jz7g82TwZ7M4X5OzLsCna65lHoDHgPP3JNIYTNm GBkWHUfbgqB/lfg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=bidouilliste.com; h=date :from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; q=dns; s= mail; b=FNC72SYG38jb0wp3h0q2GmCSRSyfGciWeM0Kzx00bsNtlXhwTEO8B0RV yAyMPppMizSLKU0+S1KhImtGCgi5IzXE90h4wRNL578eYO1uLp/EcA9P+cODDO1i NxAa/7etZfWvUYLSelWcBvC19V3JHoVmeZQgO061mq9hYXvcQn4= Received: from skull.home.blih.net (ip-9.net-89-3-105.rev.numericable.fr [89.3.105.9]) by mail.blih.net (OpenSMTPD) with ESMTPSA id 041807f6 TLS version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO; Fri, 29 Jun 2018 01:10:42 +0200 (CEST) Date: Fri, 29 Jun 2018 01:10:42 +0200 From: Emmanuel Vadot To: Warner Losh Cc: Adrian Chadd , "freebsd-embedded@freebsd.org" Subject: Re: Atheros AR93xx NAND support Message-Id: <20180629011042.6e72464d7fc3294d96dd093f@bidouilliste.com> In-Reply-To: References: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Jun 2018 23:10:45 -0000 On Thu, 28 Jun 2018 14:46:16 -0600 Warner Losh wrote: > If you had good access to datasheets, plus errata, plus vendor support, you > might be able to get a quality implementation in 3-4 months time, which > would include time to revamp our NAND system. It doesn't include time to > revamp NANDFS, though, which would be another 2-3 months to get rock solid. > > Warner I don't know the state of NAND in MIPS world but in the ARM world it's clearly fading out. But I've always wondered if instead of NANDFS one could do a geom_ftl (Flash Transision Layer) that will do all the nand stuff and then we can use UFS on it ? > On Thu, Jun 28, 2018 at 2:17 PM, Adrian Chadd > wrote: > > > Hi, > > > > There's currently no support for the NAND chip. I started a driver, > > but i reached a point where I realised we'd have to churn our NAND > > layer a bit in order to get it working. The AR934X NAND controller > > isn't a dumb latch and wants to actually issue its own JEDEC commands > > and do DMA. > > > > > > > > -adrian > > > > On Wed, 9 May 2018 at 07:05, Gergely Kiss wrote: > > > > > > Hi, > > > > > > I have a home project about porting FreeBSD to my beloved Netgear > > > WNDR4300 V.1 board and would like to ask for a little bit of help. > > > > > > The board is basically an Atheros DB120 reference board with a few > > > minor modifications (eg. it does not have SPI flash on-board, only a > > > NAND chip and has custom designed, "patent pending" integrated > > > antennas) so I cloned the DB120 kernel configuration and modified to > > > match the parameters of the Netgear board. > > > > > > As the SPI flash chip is absent, I need to boot FreeBSD off the NAND > > > chip which works fine up to the point where the kernel is loaded but > > > the root filesystem (also residing on the NAND chip) cannot be mounted > > > because of the NAND controller not detected. > > > > > > I'm using FreeBSD CURRENT with the NAND framework and NANDFS support > > > enabled in the kernel configuration according to instructions found on > > > the NAND wiki page [1] but I still can't see the NAND controller > > > detected. > > > > > > Please advise. > > > > > > As per this [2] wiki page, the controller should be detected as > > > "ar934x_nfc0" but I can't see anything like that in the logs: > > > > > > "ar934x_nfc0: on apb0" > > > > > > Your help is much appreciated. > > > > > > Thanks, > > > Gergely > > > > > > [1] https://wiki.freebsd.org/NAND > > > [2] https://github.com/freebsd/freebsd-wifi-build/wiki/ > > Atheros-ReferenceDB120 > > > _______________________________________________ > > > freebsd-embedded@freebsd.org mailing list > > > https://lists.freebsd.org/mailman/listinfo/freebsd-embedded > > > To unsubscribe, send any mail to "freebsd-embedded-unsubscribe@ > > freebsd.org" > > _______________________________________________ > > freebsd-embedded@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-embedded > > To unsubscribe, send any mail to "freebsd-embedded-unsubscribe@freebsd.org > > " > > > _______________________________________________ > freebsd-embedded@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-embedded > To unsubscribe, send any mail to "freebsd-embedded-unsubscribe@freebsd.org" -- Emmanuel Vadot