From patchwork Fri Nov 9 12:59:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Auer X-Patchwork-Id: 995510 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=aisec.fraunhofer.de Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 42s0sF6xdvz9s9h for ; Sat, 10 Nov 2018 00:11:13 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id AA0ECC22564; Fri, 9 Nov 2018 13:07:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=RCVD_IN_DNSWL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 8B1FBC2259D; Fri, 9 Nov 2018 13:01:04 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id F0B23C225C8; Fri, 9 Nov 2018 13:00:23 +0000 (UTC) Received: from mail-edgeS23.fraunhofer.de (mail-edges23.fraunhofer.de [153.97.7.23]) by lists.denx.de (Postfix) with ESMTPS id C7862C22540 for ; Fri, 9 Nov 2018 13:00:18 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2EHAAAmhOVb/xoHYZlkGgEBAQEBAgEBAQEHAgEBAQGBUgQBAQEBCwGBWimBVjmMb5Ytji4UgWYNhGwCgyIiNQwNAQMBAQIBAQICAmkcDIU8BnQFEFEhNgYOBYMhgWoDFAGpBYU8gj4NghkJAYdIhCqBWD+BEYVoghFkhQ4CiRGWDS4HAoERgQcEi1KDIAsYiU+HH4J0izGJTIFFAzSBVTMaJIM7gicXfwECgkGKWj4BMgGNQwEB X-IPAS-Result: A2EHAAAmhOVb/xoHYZlkGgEBAQEBAgEBAQEHAgEBAQGBUgQBAQEBCwGBWimBVjmMb5Ytji4UgWYNhGwCgyIiNQwNAQMBAQIBAQICAmkcDIU8BnQFEFEhNgYOBYMhgWoDFAGpBYU8gj4NghkJAYdIhCqBWD+BEYVoghFkhQ4CiRGWDS4HAoERgQcEi1KDIAsYiU+HH4J0izGJTIFFAzSBVTMaJIM7gicXfwECgkGKWj4BMgGNQwEB X-IronPort-AV: E=Sophos;i="5.54,483,1534802400"; d="scan'208";a="7622527" Received: from mail-mtas26.fraunhofer.de ([153.97.7.26]) by mail-edgeS23.fraunhofer.de with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Nov 2018 14:00:18 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0A3AADxg+Vb/xBhWMBkHAEBAQQBAQcEAQGBUgYBAQsBgVqBXiE5jG+WLY4uFIFmDYRsAoNDNQwNAQMBAQIBAQJtHAyFOwZ0BRBRITYGDgWDIYFqAxWpBIU8gj4NghkJAYdIhgI/gRGFaIIRZIUOAokRlg0uBwKBEYEHBItSgyALGIlPhx+CdIsxiUyBRQMzgVUzGiSDO4InF38BAoJBilo+AzABjUMBAQ X-IronPort-AV: E=Sophos;i="5.54,483,1534802400"; d="scan'208";a="51714164" Received: from fgdemucivp01ltm.xch.fraunhofer.de (HELO FGDEMUCIMP12EXC.ads.fraunhofer.de) ([192.88.97.16]) by mail-mtaS26.fraunhofer.de with ESMTP/TLS/AES256-SHA; 09 Nov 2018 14:00:17 +0100 Received: from muc-nb-035.aisec.fraunhofer.de (10.80.233.51) by FGDEMUCIMP12EXC.ads.fraunhofer.de (10.80.232.43) with Microsoft SMTP Server (TLS) id 14.3.408.0; Fri, 9 Nov 2018 14:00:17 +0100 From: Lukas Auer To: Date: Fri, 9 Nov 2018 13:59:16 +0100 Message-ID: <20181109125923.7034-22-lukas.auer@aisec.fraunhofer.de> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181109125923.7034-1-lukas.auer@aisec.fraunhofer.de> References: <20181109125923.7034-1-lukas.auer@aisec.fraunhofer.de> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-11.0.0.4179-8.200.1013-24212.007 X-TM-AS-Result: No--1.967100-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Subject: [U-Boot] [PATCH v3 21/28] riscv: qemu: use device tree passed by prior boot stage X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 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" QEMU provides a device tree, which is passed to U-Boot using register a1. We are now able to directly select the device tree with the configuration CONFIG_OF_PRIOR_STAGE. Replace the hard-coded address in qemu-riscv with it. Signed-off-by: Lukas Auer Reviewed-by: Bin Meng Reviewed-by: Rick Chen --- Changes in v3: None Changes in v2: - Rebase onto u-boot-dm/next board/emulation/qemu-riscv/qemu-riscv.c | 11 ----------- configs/qemu-riscv32_defconfig | 2 +- configs/qemu-riscv64_defconfig | 2 +- 3 files changed, 2 insertions(+), 13 deletions(-) diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c index 2730a288fb..2ce093e19a 100644 --- a/board/emulation/qemu-riscv/qemu-riscv.c +++ b/board/emulation/qemu-riscv/qemu-riscv.c @@ -9,8 +9,6 @@ #include #include -#define MROM_FDT_ADDR 0x1020 - int board_init(void) { /* @@ -21,12 +19,3 @@ int board_init(void) return 0; } - -void *board_fdt_blob_setup(void) -{ - /* - * QEMU loads a generated DTB for us immediately - * after the reset vectors in the MROM - */ - return (void *)MROM_FDT_ADDR; -} diff --git a/configs/qemu-riscv32_defconfig b/configs/qemu-riscv32_defconfig index ff1fb1f30e..72c54a3dd5 100644 --- a/configs/qemu-riscv32_defconfig +++ b/configs/qemu-riscv32_defconfig @@ -3,4 +3,4 @@ CONFIG_TARGET_QEMU_VIRT=y CONFIG_NR_DRAM_BANKS=1 CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y -CONFIG_OF_BOARD=y +CONFIG_OF_PRIOR_STAGE=y diff --git a/configs/qemu-riscv64_defconfig b/configs/qemu-riscv64_defconfig index 60b647efe8..44766c38f6 100644 --- a/configs/qemu-riscv64_defconfig +++ b/configs/qemu-riscv64_defconfig @@ -4,4 +4,4 @@ CONFIG_ARCH_RV64I=y CONFIG_NR_DRAM_BANKS=1 CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y -CONFIG_OF_BOARD=y +CONFIG_OF_PRIOR_STAGE=y