From patchwork Mon Aug 3 06:05:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 1340125 X-Patchwork-Delegate: lokeshvutla@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=jfJaz6zH; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4BKnSb29yqz9sRN for ; Mon, 3 Aug 2020 16:06:06 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id BD53A82196; Mon, 3 Aug 2020 08:05:34 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="jfJaz6zH"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 10A4381E39; Mon, 3 Aug 2020 08:05:32 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 691D281E39 for ; Mon, 3 Aug 2020 08:05:28 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=faiz_abbas@ti.com Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 07365RkW111636 for ; Mon, 3 Aug 2020 01:05:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1596434727; bh=0TBcWQDMx3RJDFFrqemdrxnUsa2J8VIxodKNorQbWT0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=jfJaz6zHIAwb1XYP7Xhn9B6/7/G+molywNvileEoo+IIKG1HFXCQt8IJw9mYykost k9j4ErEpVkm847bJrZMKuLuajs7tqdNEqYZWJU2etVMt/XFlk6kNAcr1PSYeqiy/J1 rjL/G6idAHRHHriTPpyTS7hyuwrFH5iwWYgzWhJM= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 07365RHw073670 for ; Mon, 3 Aug 2020 01:05:27 -0500 Received: from DFLE109.ent.ti.com (10.64.6.30) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 3 Aug 2020 01:05:26 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 3 Aug 2020 01:05:26 -0500 Received: from a0230074-Latitude-E7470.ent.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 07365GRD018887; Mon, 3 Aug 2020 01:05:25 -0500 From: Faiz Abbas To: , , CC: Subject: [PATCH v2 03/13] armv7R: K3: am654: Use full malloc in SPL both pre and post reloc Date: Mon, 3 Aug 2020 11:35:06 +0530 Message-ID: <20200803060516.20791-4-faiz_abbas@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200803060516.20791-1-faiz_abbas@ti.com> References: <20200803060516.20791-1-faiz_abbas@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean In order to be able to use things like file system drivers early on in SPL (before relocation) in a memory-constrained environment when DDR is not yet available we cannot use the simple malloc scheme which does not implement the freeing of previously allocated memory blocks. To address this issue go ahead and enable the use of the full malloc by manually initializing the required functionality inside board_init_f by creating a full malloc pool inside the pre-relocation malloc pool. Signed-off-by: Faiz Abbas --- arch/arm/mach-k3/am6_init.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c index 516a02e8a8..74557c4bb7 100644 --- a/arch/arm/mach-k3/am6_init.c +++ b/arch/arm/mach-k3/am6_init.c @@ -18,7 +18,9 @@ #include #include #include +#include #include +#include #ifdef CONFIG_SPL_BUILD #ifdef CONFIG_K3_LOAD_SYSFW @@ -119,6 +121,8 @@ void board_init_f(ulong dummy) { #if defined(CONFIG_K3_LOAD_SYSFW) || defined(CONFIG_K3_AM654_DDRSS) struct udevice *dev; + size_t pool_size; + void *pool_addr; int ret; #endif /* @@ -149,6 +153,20 @@ void board_init_f(ulong dummy) #endif #ifdef CONFIG_K3_LOAD_SYSFW + /* + * Initialize an early full malloc environment. Do so by allocating a + * new malloc area inside the currently active pre-relocation "first" + * malloc pool of which we use all that's left. + */ + pool_size = CONFIG_VAL(SYS_MALLOC_F_LEN) - gd->malloc_ptr; + pool_addr = malloc(pool_size); + if (!pool_addr) + panic("ERROR: Can't allocate full malloc pool!\n"); + + mem_malloc_init((ulong)pool_addr, (ulong)pool_size); + gd->flags |= GD_FLG_FULL_MALLOC_INIT; + debug("%s: initialized an early full malloc pool at 0x%08lx of 0x%lx bytes\n", + __func__, (unsigned long)pool_addr, (unsigned long)pool_size); /* * Process pinctrl for the serial0 a.k.a. WKUP_UART0 module and continue * regardless of the result of pinctrl. Do this without probing the