From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 18 Mar 2025 12:15:45 +0100 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 4.96) (envelope-from ) id 1tuUvB-0010y8-2v for lore@lore.pengutronix.de; Tue, 18 Mar 2025 12:15:45 +0100 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 1tuUvA-0004ci-PG for lore@pengutronix.de; Tue, 18 Mar 2025 12:15:45 +0100 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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From: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=ajkqwE5gjEUMLdXybgoWXUHdNHN7TFFNakE8RpUzrLs=; b=SudttgIbtduLsvjozZv1umab/l h5jhL/5E/NNdY67/C3xPjFOodWo/LzSlleS/bdXDhf0x+F5hm+Hpa4onQMA2BkTxGNU/GB8nnoGEu Dk2zzklyjRdenfF3OdMmJT6HCiHP9DQ/WaN4r+TlV1yWVj236vhdTM4VLW7KOOauyKpOZM7u8KR65 i1FawsVoc+QBjHr+XOz/p7it07bINRm48Mv+YJi5CtJBRikTw8fZp944rN7ZprhSKxKyHFADqufpO cwoHymoroL5gCgK8ucwINlR/LFmEXOtwcGA6227vDcH4QLHXn71uvFEx8Qy+yTR9zAjjcfOfdQdZF qRYKQzeg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tuUui-00000005foc-2srf; Tue, 18 Mar 2025 11:15:16 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tuUmr-00000005eAd-1YkX for barebox@lists.infradead.org; Tue, 18 Mar 2025 11:07:10 +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 1tuUmp-0003BT-R8; Tue, 18 Mar 2025 12:07:07 +0100 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tuUmp-000PrK-0i; Tue, 18 Mar 2025 12:07:07 +0100 Received: from sha by pty.whiteo.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1tuUmp-0030CN-1e; Tue, 18 Mar 2025 12:07:07 +0100 Date: Tue, 18 Mar 2025 12:07:07 +0100 From: Sascha Hauer To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: References: <20250318082507.419785-1-a.fatoum@pengutronix.de> <20250318082507.419785-4-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250318082507.419785-4-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250318_040709_407968_69030BF2 X-CRM114-Status: GOOD ( 23.52 ) 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=-5.4 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 4/4] ARM: qemu: mask data aborts during AMBA identification 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 Tue, Mar 18, 2025 at 09:25:07AM +0100, Ahmad Fatoum wrote: > The barebox FIT image target is meant as an easy way to load barebox > second stage from other bootloaders. > > Doing so with U-Boot 2025.01 compiled for qemu_arm64_defconfig > currently leads to a crash when accessing the PL061 GPIO controller > device for identification. > > It seems that U-Boot (or TF-A, which wasn't included in my setup) > should have done some initial setup to allow access to the PL061. > > barebox doesn't even have a driver for the peripheral and loading > barebox directly with -kernel works. In both cases, barebox runs in EL1. > > Let's thus workaround the issue on the barebox side by using the new > CONFIG_ARM_AMBA_DABT_MASK option to turn the crash into an error > message. > > Signed-off-by: Ahmad Fatoum > --- > arch/arm/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index f5f9f3828782..7d46dcfb63dc 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -282,6 +282,7 @@ config BOARD_ARM_VIRT > select BOARD_GENERIC_DT > select BOARD_QEMU_VIRT > select OF_OVERLAY > + select ARM_AMBA_DABT_MASK Ah, ok. You select the option where you anticipate that it's useful. Should have read this patch before commenting on #3. Fine with me then. Sascha -- 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 |