From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6E6DEC19F32 for ; Fri, 7 Mar 2025 13:14:24 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id D98A4808A2; Fri, 7 Mar 2025 14:14:22 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; secure) header.d=disroot.org header.i=@disroot.org header.b="Ppoaer5I"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id DB065810F5; Fri, 7 Mar 2025 14:14:21 +0100 (CET) Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 897418056A for ; Fri, 7 Mar 2025 14:14:19 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=ziyao@disroot.org Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 2F6E425C9F; Fri, 7 Mar 2025 14:14:19 +0100 (CET) Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id GeozsZGB9n-M; Fri, 7 Mar 2025 14:14:18 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1741353258; bh=3jWOnYQJrR6Lf1KuonnKz6Oj0GBT0sno6wz4b0EcWBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Ppoaer5IGKk5KCoSunQBrbTlDOFsn4QC2l/5EJt+ok+y0DM7quxPYunB2G9wj4SpM IwtZaSo82sNEctduGO5KDLFpq5JfcY0qmsEWtTPhaQWATwhN+D3AZQXEkAMhppgG6B aZQuuJ9nyLg1SnG2P3lS9DczsCpiM457XOecHerLVE6kb96M1DlpDQLNZ2a98MswDR i1zMMJTu4nHmCtlrGB0HyiWn1X0tD0Z0iyOAYs96XWfYWDG9gw+2CGa/DnKy3sxies RTHC0Zt+qBvj9XGjV2PpUZul2c6TuB0U2B/f30SAMZezs7iwx4kLeJRpVq1W+RtjxD 6Gtne6/j+aaIQ== From: Yao Zi To: Rick Chen , Leo , Tom Rini , Bin Meng , Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Green Wan , Minda Chen , Simon Glass , Angelo Dureghello , Ilias Apalodimas , Heinrich Schuchardt Cc: u-boot@lists.denx.de, Yao Zi Subject: [PATCH v2 1/4] riscv: lib: Add a default implementation of board_fdt_blob_setup Date: Fri, 7 Mar 2025 13:13:41 +0000 Message-ID: <20250307131344.43762-2-ziyao@disroot.org> In-Reply-To: <20250307131344.43762-1-ziyao@disroot.org> References: <20250307131344.43762-1-ziyao@disroot.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 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 0.103.8 at phobos.denx.de X-Virus-Status: Clean It's common for S-Mode proper U-Boot to retrieve a FDT blob along with taking control from SBI firmware. Add a weak version of board_fdt_blob_setup to make use of it by default, avoiding copy-pasting similar functions among boards. Signed-off-by: Yao Zi --- arch/riscv/lib/Makefile | 1 + arch/riscv/lib/board.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 arch/riscv/lib/board.c diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile index 268116f3757..b33f9c646dd 100644 --- a/arch/riscv/lib/Makefile +++ b/arch/riscv/lib/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_$(XPL_)SMP) += smp.o obj-$(CONFIG_XPL_BUILD) += spl.o obj-y += fdt_fixup.o obj-$(CONFIG_$(SPL)CMD_BDI) += bdinfo.o +obj-$(CONFIG_OF_BOARD) += board.o # For building EFI apps CFLAGS_NON_EFI := -fstack-protector-strong diff --git a/arch/riscv/lib/board.c b/arch/riscv/lib/board.c new file mode 100644 index 00000000000..1630355b2b1 --- /dev/null +++ b/arch/riscv/lib/board.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * RISC-V-specific handling of firmware FDT + */ + +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +__weak int board_fdt_blob_setup(void **fdtp) +{ + if (IS_ENABLED(CONFIG_XPL_BUILD) || !gd->arch.firmware_fdt_addr) + return -EEXIST; + + *fdtp = (void *)gd->arch.firmware_fdt_addr; + + return 0; +} -- 2.48.1