From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 24 Jun 2025 03:38:51 +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 1uTscd-00ARpk-2k for lore@lore.pengutronix.de; Tue, 24 Jun 2025 03:38:51 +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 1uTscd-0005O8-91 for lore@pengutronix.de; Tue, 24 Jun 2025 03:38:51 +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:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=maz6gtb1PDo5q0KcZ3LhV9ZLjamcwmHVxPx/WjZe0no=; b=ahsiaGcTfGM8tNQR+uX/laibsO wiKFNkut3wB4okLKM1obSzePX5XzN/Hby6xPkhexGr3n0WweAgYEA40qG3H7vhn0ToPC/7HgFs9IO qpgjWaih7KHKgXLFNyxPUcY+6Bs8Zsg9akhd3gQdBD2/AgI9OIZSP2S3MRUMAzdu71cVkMSn3NxGo 4fFJPuA9XDESIs4Ko9WbrWvzgDw4wijxBIpAtvwXI5IOW9MuR9VGbZGwKKF0Ls0RxWo9Mj5grODUu /WRQ3fdLwnDq4dVxkon3dt4ZYwdUlUvZvhaujF6xcW0/eb2OOfPP3cUv7MgLakKntfDInL5dtnqZK rgMLXMUg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uTscM-00000004NhU-1m2o; Tue, 24 Jun 2025 01:38:34 +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 1uTpD4-0000000443a-0SKX for barebox@lists.infradead.org; Mon, 23 Jun 2025 22:00:15 +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 1uTpD1-0005q1-1k for barebox@lists.infradead.org; Tue, 24 Jun 2025 00:00:11 +0200 Received: from dude04.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::ac]) 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 1uTpD0-0050fh-2m for barebox@lists.infradead.org; Tue, 24 Jun 2025 00:00:10 +0200 Received: from localhost ([::1] helo=dude04.red.stw.pengutronix.de) by dude04.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1uTpD0-00GM9V-2S for barebox@lists.infradead.org; Tue, 24 Jun 2025 00:00:10 +0200 From: Michael Grzeschik To: barebox@lists.infradead.org Date: Tue, 24 Jun 2025 00:00:09 +0200 Message-Id: <20250623220009.3898126-1-m.grzeschik@pengutronix.de> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250623_150014_150057_D5A65A49 X-CRM114-Status: GOOD ( 11.33 ) 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=-4.9 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=ham autolearn_force=no version=3.4.2 Subject: [PATCH v2] arch: arm: imx: esdctl: limit ram to 1GB on imx93 in case OPTEE is enabled 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) In MX93 the ELE (Edge Lock Enclave) is limited to communicate with messages addressed under 1.5GB. The ELE can not reach the memory between (0xE0000000-0xFFFFFFFF). So we limit the usable memory in case OPTEE is used. Signed-off-by: Michael Grzeschik --- v1 -> v2: moved the limitation to be active in imx93_barebox_entry only --- arch/arm/mach-imx/esdctl.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c index 4b67b52ca45..c79d7c29245 100644 --- a/arch/arm/mach-imx/esdctl.c +++ b/arch/arm/mach-imx/esdctl.c @@ -1046,9 +1046,20 @@ void __noreturn imx7d_barebox_entry(void *boarddata) void __noreturn imx93_barebox_entry(void *boarddata) { + resource_size_t mem = 0; + imx93_init_scratch_space(false); optee_set_membase(imx_scratch_get_optee_hdr()); - barebox_arm_entry(MX9_DDR_CSD1_BASE_ADDR, - imx9_ddrc_sdram_size(), boarddata); + mem = imx9_ddrc_sdram_size(); + /* In MX93 the ELE is limited to comunicate with messages + * under 1.5GB address space. This limits the overal memory + * to be 1GB in case OPTEE is used. + */ + if (IS_ENABLED(CONFIG_PBL_OPTEE)) { + if (mem > 0x40000000) + mem = 0x40000000; + } + + barebox_arm_entry(MX9_DDR_CSD1_BASE_ADDR, mem, boarddata); } -- 2.39.5