From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 14 Sep 2023 10:00:19 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qghGu-00Elwv-2B for lore@lore.pengutronix.de; Thu, 14 Sep 2023 10:00:18 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qghGq-0006YI-Fh for lore@pengutronix.de; Thu, 14 Sep 2023 10:00:18 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=10PLe6nq+0yUFtd6qusVe/4bHStVt+2OuMOksiCpgMU=; b=t6iQJlt4oRVBdHQ6gfG0SPe0mt FMs3cdAcWk1qQYO7xrMX/T9HMGYcYwp0GDrb2+fnwDqEfhjq2g51l6+ppKl5KDJY42BpDPeVdFa5t 4Nj6mXvGKuUdkUKuW6xANzezDca0LgenxkELQzBSy+6QnH9ZeZHTZ0hLIRlbK5G9roARnX/U1Kude elkBLha0DchQuH38ArrkxWdgrVOepwm8xweys4Um+d8X63Vz2cbptAyQmoK7q7oZ2oRr6cXVvl7aQ BIFNY0QX8UMJ4IxIaYug/uyD0TPa8tmVCmRSkTH2qlvLbVPP6/YvrR+tiTLVQ6sjbBLga2nlNQoVi +8MlHq5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qghFl-007dVa-13; Thu, 14 Sep 2023 07:59:09 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qghFi-007dV0-2E for barebox@lists.infradead.org; Thu, 14 Sep 2023 07:59:08 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qghFh-0005tu-An; Thu, 14 Sep 2023 09:59:05 +0200 Received: from [2a0a:edc0:2:b01:1d::c0] (helo=ptx.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qghFg-006FeC-Ui; Thu, 14 Sep 2023 09:59:04 +0200 Received: from sha by ptx.whiteo.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1qghFg-006f0t-SN; Thu, 14 Sep 2023 09:59:04 +0200 Date: Thu, 14 Sep 2023 09:59:04 +0200 To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20230914075904.GK637806@pengutronix.de> References: <20230913132456.2211919-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230913132456.2211919-1-a.fatoum@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230914_005906_728513_48C8BDFA X-CRM114-Status: GOOD ( 19.37 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/3] firmware-zynqmp: add accessors for ggs/pggs X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Wed, Sep 13, 2023 at 03:24:53PM +0200, Ahmad Fatoum wrote: > The ZynqMP features eight 32-bit global storage registers that are > available for general use. Four of them have their values preserved > after software reboots and four are cleared on software reboots. > > In Linux they are accessed as: > > /sys/firmware/zynqmp/ggs[0-4] > /sys/firmware/zynqmp/pggs[0-4] > > Allow reading and writing these parameters from barebox board code > via exported functions and from barebox shell as well via device > parameters: > > echo ${firmware:zynqmp-firmware.of.ggs0} > firmware:zynqmp-firmware.of.pggs0=4 > > Because the name is a bit unwieldy, use the device alias support added > in this series to make the variables more compact: > > echo ${zynqmp_fw.ggs0} > zynqmp_fw.pggs0=4 > > Ahmad Fatoum (3): > driver: add support for device aliases > firmware-zynqmp: export functions for setting GGS/PGGS > firmware-zynqmp: add device parameters for ggs/pggs Applied, thanks Sascha > > arch/arm/mach-zynqmp/firmware-zynqmp.c | 133 +++++++++++++++++++++++++ > common/complete.c | 14 ++- > drivers/base/driver.c | 46 +++++++++ > include/driver.h | 7 ++ > include/mach/zynqmp/firmware-zynqmp.h | 33 +++++- > 5 files changed, 222 insertions(+), 11 deletions(-) > > -- > 2.39.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |