From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 17 May 2023 11:41:42 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) 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 1pzDfC-0049pc-7j for lore@lore.pengutronix.de; Wed, 17 May 2023 11:41:42 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pzDf9-0002eR-C8 for lore@pengutronix.de; Wed, 17 May 2023 11:41:40 +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:References:In-Reply-To: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:List-Owner; bh=n4nMthUmvK29e5p+DqDZPudxUZhYlurDV+c8RBAtUq8=; b=bhskaD0uZhBoN6UTKdEwyn6dIq +QRyIN9hAjVDj27KENVbsOZb8APisI/nwkTZ2Nccq0FupVcuVMr5egNMcahl/evAnxc0EtPdnMz+h FKIKEwIuSA8qqBaf4am+/dHZz9XzogOis8rAjvLE5xyo++Xy4U/SQuB9oshB7aMduJn4vbkMTSScd ioQXDsOMvpUQHyGPSoCYQfLNcKkGUAFIN1Q1qsTBcwe1pDK4QO4fvlsV5r2H2INAJLPF24hR8ICE/ uH0tUXBa2ZAj78qojPukPMNvsaU+nJYeHy+wVgPHQzYD7xL73wmD6okxrZZwAjhvPyAbKf7Ol+c3+ 2KL1UgIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pzDdx-0096Jk-1X; Wed, 17 May 2023 09:40:25 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pzDdt-0096Gj-2u for barebox@bombadil.infradead.org; Wed, 17 May 2023 09:40:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=n4nMthUmvK29e5p+DqDZPudxUZhYlurDV+c8RBAtUq8=; b=X+WcXYBzy8VnblVZ2bj3VRYa8f BKtm+xBc9UOWy78RLELAif940/O+mCkSQqv8A0dfShq7DOmfqEg9AF/FEnDDSYoVJaqzHnkgvv0uM pyueaJAauBbbbh7yYRAu4sPxJ7wHcANgL7FGqYWIK+9DyyStjEPMt2s5yCaG4aTj5fo6SLrJhv7Nh LA424EsbEKNzB/PKJ0NJEOZvVCdLuGx//9gOxrFPCppn/3WgTQi5M+X380+DkBE0bz6Wu0abkeXVQ yvrtn8k6R78kMWJh7yYojidMzuISuP5PESHLU71ylrKNXjafe7tgQBW4MeWXfr33cquGB/WJdq6Ns Nu8MLWxg==; Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pzD4Z-00DAy6-2F for barebox@lists.infradead.org; Wed, 17 May 2023 09:04:02 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pzD4W-00043l-Vb; Wed, 17 May 2023 11:03:49 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pzD4W-000o8O-9N; Wed, 17 May 2023 11:03:48 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pzD4V-00Gau7-8Q; Wed, 17 May 2023 11:03:47 +0200 From: Sascha Hauer To: Barebox List Date: Wed, 17 May 2023 11:03:39 +0200 Message-Id: <20230517090340.3954615-34-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230517090340.3954615-1-s.hauer@pengutronix.de> References: <20230517090340.3954615-1-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230517_100351_880119_70ABB318 X-CRM114-Status: GOOD ( 11.55 ) 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.ext.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, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 33/34] ARM: mmu32: Skip reserved ranges during initialization X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) The early MMU code now uses pages to map the OP-TEE area non executable. This mapping is overwritten with sections in barebox proper. Refrain from doing so by using arch_remap_range() and bypassing reserved areas. Signed-off-by: Sascha Hauer --- arch/arm/cpu/mmu_32.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/arm/cpu/mmu_32.c b/arch/arm/cpu/mmu_32.c index 705d27a045..47711bed35 100644 --- a/arch/arm/cpu/mmu_32.c +++ b/arch/arm/cpu/mmu_32.c @@ -522,9 +522,17 @@ void __mmu_init(bool mmu_on) vectors_init(); for_each_memory_bank(bank) { - create_sections(bank->start, bank->start + bank->size - 1, - PMD_SECT_DEF_CACHED); - __mmu_cache_flush(); + struct resource *rsv; + resource_size_t pos; + + pos = bank->start; + + for_each_reserved_region(bank, rsv) { + arch_remap_range((void *)pos, rsv->start - pos, MAP_CACHED); + pos = rsv->end + 1; + } + + arch_remap_range((void *)pos, bank->start + bank->size - pos, MAP_CACHED); } } -- 2.39.2