From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 19 Oct 2023 13:29:03 +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 1qtRD5-00E9Lp-QA for lore@lore.pengutronix.de; Thu, 19 Oct 2023 13:29:03 +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 1qtRD3-00054I-SP for lore@pengutronix.de; Thu, 19 Oct 2023 13:29:02 +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=JEw4wt776L7e5jGCrm5cVy8O/N3iE0jCQHEst2lS4mA=; b=Xtc8lXbImdzM9kuoSNepvBfdjh qIAd+DT9HIG0B6Szc+Ct9nCcFqb3KJsok//6cezzlF5hVgc3/sS2q+0hhylXbJF/nMWF0EyT3DVaN RqybtzwMXgBTX5WdV2e5SYQLjRbbQYKvPLgQjRpUS/CjVSNDLos1lhyid1Va1qU8uEI80Z0yVL9IJ yHrWc4ip6LX0aHxqM6V4tA0eaVQu5ucYFlqfcC3DEn8ll3fZ6dU1XZXg8p2Xqe5uM8VrAEo7HSPXV hUJQGAwXtcZyEvccMTkZcza9E0Dn/r4tcf1+6xDHBbm4JkVo361hQuMUNcA0z5Nw+xFNpJ26IsdkF Fl+MGs0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qtRBk-00H9qX-1J; Thu, 19 Oct 2023 11:27:40 +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 1qtRBh-00H9py-2q for barebox@lists.infradead.org; Thu, 19 Oct 2023 11:27:39 +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 1qtRBY-0004Ze-O9; Thu, 19 Oct 2023 13:27:28 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.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 1qtRBY-002mHM-BI; Thu, 19 Oct 2023 13:27:28 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1qtRBY-00GGSm-0v; Thu, 19 Oct 2023 13:27:28 +0200 From: Sascha Hauer To: Barebox List Date: Thu, 19 Oct 2023 13:27:26 +0200 Message-Id: <20231019112727.3876442-3-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231019112727.3876442-1-s.hauer@pengutronix.de> References: <20231019112727.3876442-1-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-20231019_042737_923463_7098E1AC X-CRM114-Status: GOOD ( 11.60 ) 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=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 3/4] arm: layerscape: ppa: reserve SDRAM region for PPA 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) The region the PPA is stored may not be speculated into by the CPU. We have reserve_sdram_region() for this purpose. With this the region is mapped uncached with excute never bit set. Use this rather than request_sdram_region(). Signed-off-by: Sascha Hauer --- arch/arm/mach-layerscape/ppa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-layerscape/ppa.c b/arch/arm/mach-layerscape/ppa.c index 3fa73d555f..6c3fdff381 100644 --- a/arch/arm/mach-layerscape/ppa.c +++ b/arch/arm/mach-layerscape/ppa.c @@ -117,7 +117,7 @@ int ls1046a_ppa_init(resource_size_t ppa_start, resource_size_t ppa_size) size_t ppa_fw_size; int ret; - res = request_sdram_region("ppa", ppa_start, ppa_size); + res = reserve_sdram_region("ppa", ppa_start, ppa_size); if (!res) { pr_err("Cannot request SDRAM region %pa - %pa\n", &ppa_start, &ppa_end); -- 2.39.2