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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 BBBADC83006 for ; Thu, 30 Apr 2020 08:37:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95F6E20838 for ; Thu, 30 Apr 2020 08:37:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726685AbgD3IhD (ORCPT ); Thu, 30 Apr 2020 04:37:03 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:44832 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726127AbgD3IhD (ORCPT ); Thu, 30 Apr 2020 04:37:03 -0400 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id C95AA2A2332; Thu, 30 Apr 2020 09:37:00 +0100 (BST) Date: Thu, 30 Apr 2020 10:36:58 +0200 From: Boris Brezillon To: "Ramuthevar, Vadivel MuruganX" Cc: qi-ming.wu@intel.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, cheol.yong.kim@intel.com, hauke.mehrtens@intel.com, anders.roxell@linaro.org, vigneshr@ti.com, arnd@arndb.de, richard@nod.at, brendanhiggins@google.com, linux-mips@vger.kernel.org, robh+dt@kernel.org, miquel.raynal@bootlin.com, tglx@linutronix.de, masonccyang@mxic.com.tw, andriy.shevchenko@intel.com Subject: Re: [PATCH v4 2/2] mtd: rawnand: Add NAND controller support on Intel LGM SoC Message-ID: <20200430103658.4b0b979e@collabora.com> In-Reply-To: <1df71cf7-4cae-4cd0-864c-0812bb2cc123@linux.intel.com> References: <20200429104205.18780-1-vadivel.muruganx.ramuthevar@linux.intel.com> <20200429104205.18780-3-vadivel.muruganx.ramuthevar@linux.intel.com> <20200429162249.55d38ee8@collabora.com> <9d77c64c-d0f9-7a13-3391-d05bf458bdb1@linux.intel.com> <20200429164832.6800fc70@collabora.com> <2e83a2f7-853c-f0e2-f686-daf1e0649eae@linux.intel.com> <20200429173107.5c6d2f55@collabora.com> <1de9ba29-30f1-6829-27e0-6f141e9bb1e6@linux.intel.com> <20200430102114.29b6552f@collabora.com> <1df71cf7-4cae-4cd0-864c-0812bb2cc123@linux.intel.com> Organization: Collabora X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Thu, 30 Apr 2020 16:30:15 +0800 "Ramuthevar, Vadivel MuruganX" wrote: > >>> > >>> And now I'd like you to explain why 5 is the right value for that field > >>> (I guess that has to do with the position of the CS/ALE/CLE pins). > >> > >> 5 : bit 26, 25, 24, 23, 22 to be included for comparison in the > > > > That's 6 bits to me, not 5. > > No , 5 bits only the above case. Oops, right, sorry for the brain fart. > > > > The question is, is it the same value we have in nand_pa or it is > > different? > > > Different address which is 0xE1400000 NAND_BASE_PHY address. Then why didn't you tell me they didn't match when I suggested to pass nand_pa? So now the question is, what does this address represent? Do you have a reference manual I can look at to understand what this is?