From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 03 Aug 2021 11:46:21 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mAr09-0005pC-6l for lore@lore.pengutronix.de; Tue, 03 Aug 2021 11:46:21 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mAr08-0000h1-18 for lore@pengutronix.de; Tue, 03 Aug 2021 11:46:20 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=I2xJd2qg+OdFGFOVK/1pb7KYKNqueJnI1Nov5p/3bO4=; b=Ftz4IGnpkEfyNE IM4FK5iZHLJQkRTxY97gtsjBplKdWPeqpPkXjslwZ4db3kQvsQ8MPttunWeJoy6/7b9tKgUIhCY69 gdst0vYyMnTrTFDFCO4krApw4Pnp+JBPU45zsW03lIVNAnEajBWAhgr/hIpB4iVhRe6bELYBX2W1M qH/jh5+RF7vdDcdIDfeolZUiiIl7bTGKVpCH4pMo7OOoGje/Rjtn7MRCZgUzvLSSIp6WUj5EaQtEv Trwb/X5UiJkigWyiZMmSOakfFsntdHuDxEXqM9Q3wdeEZcYCAGrP+3fXGl8RVNrk64PJmxm5i2voK Rvz155/fYIUH8rM8uQTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAqyh-001r77-Bh; Tue, 03 Aug 2021 09:44:51 +0000 Received: from magratgarlick.emantor.de ([2a01:4f8:c17:c88::2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAqyN-001r0r-JP for barebox@lists.infradead.org; Tue, 03 Aug 2021 09:44:33 +0000 Received: by magratgarlick.emantor.de (Postfix, from userid 114) id 26AC28A140; Tue, 3 Aug 2021 11:44:29 +0200 (CEST) Received: from localhost (unknown [IPv6:2001:9e8:217d:6102:c0d3:dbff:fefe:ff70]) by magratgarlick.emantor.de (Postfix) with ESMTPSA id D02738A0FA; Tue, 3 Aug 2021 11:44:23 +0200 (CEST) From: Rouven Czerwinski To: barebox@lists.infradead.org Cc: Rouven Czerwinski Date: Tue, 3 Aug 2021 11:44:15 +0200 Message-Id: <20210803094418.475609-6-r.czerwinski@pengutronix.de> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210803094418.475609-1-r.czerwinski@pengutronix.de> References: <20210803094418.475609-1-r.czerwinski@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210803_024431_848376_1BB16144 X-CRM114-Status: GOOD ( 15.32 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::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=-5.5 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, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 5/8] of: add reserved_mem_read initcall 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) Add a reserved_mem_read initcall which parses the reserved-memory entries and adds barebox of reserve entries. Also remove the OP-TEE size of reserve entry, since this is now parsed from the DT and does not need to be statically configured any longer. Signed-off-by: Rouven Czerwinski --- drivers/of/Makefile | 1 + drivers/of/reserved-mem.c | 43 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 drivers/of/reserved-mem.c diff --git a/drivers/of/Makefile b/drivers/of/Makefile index b6847752d2..b69cb84b99 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_OF_GPIO) += of_gpio.o obj-$(CONFIG_OF_PCI) += of_pci.o obj-y += partition.o obj-y += of_net.o +obj-$(CONFIG_OFDEVICE) += reserved-mem.o obj-$(CONFIG_MTD) += of_mtd.o obj-$(CONFIG_OF_BAREBOX_DRIVERS) += barebox.o obj-$(CONFIG_OF_OVERLAY) += overlay.o resolver.o of_firmware.o diff --git a/drivers/of/reserved-mem.c b/drivers/of/reserved-mem.c new file mode 100644 index 0000000000..8519a7e3dd --- /dev/null +++ b/drivers/of/reserved-mem.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0-only +// SPDX-FileCopyrightText: 2021 Rouven Czerwinski , Pengutronix + +#define pr_fmt(fmt) "reserved-memory: " fmt + +#define DEBUG + +#include +#include +#include +#include +#include +#include + +static int reserved_mem_read(void) +{ + struct device_node *node, *child; + struct resource resource; + int flag; + + node = of_find_node_by_path("/reserved-memory"); + if (!node) + return 0; + + for_each_child_of_node(node, child) { + flag = OF_RESERVE_ENTRY_FLAG_NO_RESERVE; + + of_address_to_resource(child, 0, &resource); + + pr_err("Res-Mem start: 0x%08x\n", resource.start); + pr_err("Res-Mem end: 0x%08x\n", resource.end); + + if (of_find_property(child, "no-map", 0)) { + pr_debug("child %p: no-map\n", child); + flag |= OF_RESERVE_ENTRY_FLAG_XN; + } + + of_add_reserve_entry(resource.start, resource.end, flag); + } + + return 0; +} +postconsole_initcall(reserved_mem_read); -- 2.32.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox