From patchwork Thu Feb 27 14:47:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yao Zi X-Patchwork-Id: 2053075 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=disroot.org header.i=@disroot.org header.a=rsa-sha256 header.s=mail header.b=E7oLWScn; dkim-atps=neutral Authentication-Results: legolas.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=patchwork.ozlabs.org) 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 ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Z3Z3C3KWPz1xrB for ; Fri, 28 Feb 2025 01:48:39 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 8AA2C810FE; Thu, 27 Feb 2025 15:48:31 +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="E7oLWScn"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id B656781113; Thu, 27 Feb 2025 15:48:30 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED,RCVD_IN_VALIDITY_RPBL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 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 C931E80BA4 for ; Thu, 27 Feb 2025 15:48:28 +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 8FD0823058; Thu, 27 Feb 2025 15:48:28 +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 7mH3WiVRzWYn; Thu, 27 Feb 2025 15:48:23 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1740667688; bh=EYka4PhaQi1nT2x9oAfYHP1aPW2tiHeHwGrWUOMYXL4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=E7oLWScnOe5tMD/7r2wFCNCucmIv4slAZ+rnMutR3qhDM5Yo0sT2mDomkWrxwAhF+ dtpq85oYP0kztkpdXN+tMHa+yuBHUQz2rKyDQGGMkl3yfUjqCwSmPgg34mEKooMYiz 3V86G8o3OmH/B9DB+S9vBSyXjiQIw8H2CpOHmjQPFumZqfWrr4S4GAvqQh0zSA/02P V0dT3g19KCuD6RYUnGg9q99zhSGVjnWRf/kjc9jh5cZ/LR2EonOcYBb9Hs+opRBfFW VUkS6iXU976JGpTNP0WjdKwXo65Yjgb7QXnfZ4fCr+6OjKN4hrluqOpUZUl68gtZ5n +KJSlecfdHAEQ== 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 1/5] riscv: lib: Add a default implementation of board_fdt_blob_setup Date: Thu, 27 Feb 2025 14:47:29 +0000 Message-ID: <20250227144734.61458-2-ziyao@disroot.org> In-Reply-To: <20250227144734.61458-1-ziyao@disroot.org> References: <20250227144734.61458-1-ziyao@disroot.org> MIME-Version: 1.0 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 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 and avoid copy-pasting similar functions among boards. Signed-off-by: Yao Zi Reviewed-by: Leo Yu-Chi Liang --- 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..77bc174b047 --- /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 (!gd->arch.firmware_fdt_addr) + return -EEXIST; + + *fdtp = (void *)gd->arch.firmware_fdt_addr; + + return 0; +}