From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 27 Jun 2025 16:20:05 +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 4.96) (envelope-from ) id 1uV9vw-00BeGI-3B for lore@lore.pengutronix.de; Fri, 27 Jun 2025 16:20:05 +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 1uV9vv-0004Fr-Ac for lore@pengutronix.de; Fri, 27 Jun 2025 16:20:04 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=ewqCmjL0dRbOlGCK/JCPcvsIlmVr2dkAX+EIgXtubD8=; b=gVzzLMKNWcdXBR JV0IrofQWODHnanBLgX+WvStyN50HDCl3wncwOPOKx5drhsIaz9XsGSrWD+NT5Kn+uLojmRZrcdvo v9A2+uvhT0TOwhF7xVQHUGl1uES69dG2I1iNdTfp9G8I/+WoZd1VkhIB4xZ4a7n4oRqMD6r0wULua oFkXkzm2gQlwJ9fRkTtfhesCGSVjFWPLh/WwHHpAAYbJF38sRpzA27nVGfUsxVND7TaPKQWgZcsmw TqKrfTqlNk9faC43JnQUIvKxwF4YLSiPvLjcp3gbffuivMCRNL8rFtasodw5F/D/koyMSpv+3sYLx eJyYp0cJKdl+U53ZKe9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uV9vU-0000000Et3Z-1rZC; Fri, 27 Jun 2025 14:19:36 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uV9kQ-0000000ErZL-20z3 for barebox@lists.infradead.org; Fri, 27 Jun 2025 14:08:12 +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 1uV9kH-0004vL-6R; Fri, 27 Jun 2025 16:08:01 +0200 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) 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 1uV9kG-005dAU-2k; Fri, 27 Jun 2025 16:08:00 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1uV9kG-004uPv-2I; Fri, 27 Jun 2025 16:08:00 +0200 From: Sascha Hauer Date: Fri, 27 Jun 2025 16:07:46 +0200 Message-Id: <20250627-arm-optee-early-helper-v1-0-4b098e8ac7cd@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIALKlXmgC/x3MywqDMBBG4VeRWTsQBy9tX0W6COZXB6yGiZQW8 d0NLr/FOQclmCLRqzjI8NWk25pRlQUNs18nsIZsEieNa6Vjbx/e4g4wvC1/nrFEGLfh8azDKOK qgXIcDaP+7nH/Ps8L+jMvCGgAAAA= X-Change-ID: 20250627-arm-optee-early-helper-6d894df2201c To: BAREBOX X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1751033280; l=3722; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=lfv3y1VoQrNQ6khx0k2ViQmkWuIm49up3xcsrbCQjEc=; b=gmkM7Dc2KiNYTY9E7+V/iLdUd7LcX3DvIsCum1dzobjCMrxbDdzqlfB896nVQDcVS5SknE2j6 qdpUbqIrlIRCIY098ked6pi01e0pv9FsuMBvmTOOem08zVaA/uoHcBl X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250627_070810_532453_3DC07C32 X-CRM114-Status: GOOD ( 13.95 ) 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: , Cc: Ahmad Fatoum , Marco Felsch 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=-5.3 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: [PATCH 00/14] i.MX6 TZASC and OP-TEE early helpers 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) This series combines Marcos "i.MX6Q TZASC and OP-TEE early helpers" [1] and my series fixing chainloading barebox on OP-TEE enabled i.MX6ul platforms [2] into one. Changes to Marcos series are: - rename imx6q_tzc380_is_enabled() to imx6q_tzc380_is_bypassed() as the function really only detects if the bypass bits are set correctly and not if the tzc380 is enabled. - Add i.MX6UL variants of the functions Marco created for i.MX6DQ - Marco created a mx6_start_optee_early() function that has a switch/case for the actual SoC type. I have split that into SoC specific functions so that we don't have to carry the binary weight when only one specific SoC is needed Changes to my series: - Ahmad mentioned in [3] that detecting if we are chainloaded based on a register passed from the 1st stage not robust and might have security issues. I am therefore now checking if the TZASC is accessible or not. As a special bonus this series brings us exception handling support in PBL for ARMv7/ARMv8. This done to implement data_abort_mask() which we need for the TZASC-is-accessible check, but will also be useful for debugging issues in the PBL. [1] https://lore.kernel.org/20250626144527.416697-1-m.felsch@pengutronix.de [2] https://lore.kernel.org/20250626140329.418033-1-s.hauer@pengutronix.de [3] https://lore.kernel.org/70b41f3b-4329-48f7-827f-1924e002ab04@pengutronix.de Signed-off-by: Sascha Hauer --- Marco Felsch (6): ARM: i.MX6QDL: add imxcfg helper to configure the TZASC1/2 ARM: i.MX6Q: add imx6_get_mmdc_sdram_size ARM: mach-imx: tzasc: add region configure helpers ARM: mach-imx: tzasc: add imx6[q|ul]_tzc380_early_ns_region1() ARM: mach-imx: tzasc: add imx6[q|ul]_tzc380_is_bypassed() ARM: optee-early: add mx6_start_optee_early helper Sascha Hauer (8): pbl: add panic_no_stacktrace() arch: Allow data_abort_mask() in PBL ARM: add exception handling support for PBL ARM: i.MX: add imx6_can_access_tzasc() ARM: i.MX: tqma6ulx: fix barebox chainloading with OP-TEE enabled ARM: i.MX: Webasto ccbv2: fix barebox chainloading with OP-TEE enabled ARM: optee-early: drop start_optee_early() ARM: i.MX: tqma6ulx: use ENTRY_FUNCTION_WITHSTACK Documentation/user/optee.rst | 18 +- arch/Kconfig | 3 + arch/arm/Kconfig | 10 + arch/arm/boards/tqma6ulx/lowlevel.c | 27 +-- arch/arm/boards/webasto-ccbv2/lowlevel.c | 24 +-- arch/arm/cpu/Makefile | 1 + arch/arm/cpu/interrupts_32.c | 14 +- arch/arm/cpu/interrupts_64.c | 10 +- arch/arm/cpu/uncompress.c | 2 + arch/arm/include/asm/barebox-arm.h | 8 + arch/arm/lib/pbl.lds.S | 4 + arch/arm/lib32/optee-early.c | 40 +++- arch/arm/mach-imx/Kconfig | 2 + arch/arm/mach-imx/Makefile | 2 +- arch/arm/mach-imx/esdctl.c | 5 + arch/arm/mach-imx/tzasc.c | 331 +++++++++++++++++++++++++++++++ include/abort.h | 3 +- include/mach/imx/esdctl.h | 1 + include/mach/imx/imx6q-tzasc.h | 8 + include/mach/imx/tzasc.h | 5 + include/tee/optee.h | 5 +- pbl/misc.c | 3 + 22 files changed, 481 insertions(+), 45 deletions(-) --- base-commit: 7e5ea8eb09a1ca3b13e89586411f5a60ae8fd5b3 change-id: 20250627-arm-optee-early-helper-6d894df2201c Best regards, -- Sascha Hauer