From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) by mx.groups.io with SMTP id smtpd.web08.4571.1665396747320849008 for ; Mon, 10 Oct 2022 03:12:27 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ventanamicro.com header.s=google header.b=PFtZVChy; spf=pass (domain: ventanamicro.com, ip: 209.85.210.178, mailfrom: sunilvl@ventanamicro.com) Received: by mail-pf1-f178.google.com with SMTP id i6so10379745pfb.2 for ; Mon, 10 Oct 2022 03:12:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=z5Tc7Pw68iQTxOMBN3ZCgl4Rf67N8sJj62JIDhAsbtA=; b=PFtZVChy+P0cAC2uwlzVnWxwUI+N0OMPz3Dhf1ZIo+jwHbG7ay1aoWNiJdYMRZycQB db+ewyl57A2GVb7pibSHb3oXCpGVpnzTK83G0kKkhk2rjjgGrp7spHj7IgTWvSOWJ+Di BurMTlGjgu4R1FC/KkbAMimQa2rpa2ScmhdyoC5BDN2LVXShmQZWYz3ZoMMEgtOYgM8s wlZkx8kCwvrKx0uZedH61V0MpXk/FxKefJSZ1N6R+ZhTxqq/XoAK2P+UwQ5o9T3bjvSl hxBY5etYBQeaW2nTjIDmCHejJtQU7gHSu8ShK5QlaNAZ21NlmUGnP+KiYR92POaFhQKm b5bA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=z5Tc7Pw68iQTxOMBN3ZCgl4Rf67N8sJj62JIDhAsbtA=; b=N+wYeLb/7pyKFMx+1aqhGwpHzoGhcbnT/stZaY8IqyxX0UZJAT8UYRBezdpvAGgN4U 8AVles0ktoaDGZwRmuqkHKYE6c2xWcxS2L/0M7TukyTxK/uiC+uwbk6+g28JkfCl6YJs igZPODfwplJsNzdkxqGx5sSmM2UPN3rqen8rpCnUNxxWOcCsD6VtLxo8QZ/ci4+l276p fW0/30TY3S6Dw35l+w3ZVoHAxdgWtV3jaufXeEs8Rfq0pNBwAu4cKHZYNAxXipN0mDdb so/ODp9pAAQ776SMcJH1PUm/aKXinV1T4Q9Vm0pgZS6ZAHqhMph54X3llrkrUKe+9MxD WAHA== X-Gm-Message-State: ACrzQf2Uc0ZuECFUPgOs98uHcR3QMoJ+0eDtB/GtGeG1CJwbDoxwEmlL sYmTi4orTudUAOVDh6n755rGKV0MDBuzxA== X-Google-Smtp-Source: AMsMyM4fAmfGr7BwefkK5EtdNGOvY6Q/SSZC8BKOSQYTwZbHE+RKmOFQU90ijmljEeMrVkwn5QrXhw== X-Received: by 2002:a63:fc4e:0:b0:449:5355:292 with SMTP id r14-20020a63fc4e000000b0044953550292mr16207851pgk.193.1665396746653; Mon, 10 Oct 2022 03:12:26 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([49.206.13.138]) by smtp.gmail.com with ESMTPSA id h17-20020a170902f55100b001788ccecbf5sm6302138plf.31.2022.10.10.03.12.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Oct 2022 03:12:26 -0700 (PDT) From: "Sunil V L" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Jiewen Yao , Jordan Justen , Gerd Hoffmann , Daniel Schaefer Subject: [edk2-staging/RiscV64QemuVirt PATCH 06/29] OvmfPkg/PlatformInitLib: Add support for RISC-V Date: Mon, 10 Oct 2022 15:41:39 +0530 Message-Id: <20221010101202.1146624-7-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221010101202.1146624-1-sunilvl@ventanamicro.com> References: <20221010101202.1146624-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4076 This is copied from edk2-platforms/Platform/RISC-V/PlatformPkg/Universal/FdtPeim but added as part of library instead of a separate module. Cc: Ard Biesheuvel Cc: Jiewen Yao Cc: Jordan Justen Cc: Gerd Hoffmann Cc: Daniel Schaefer Signed-off-by: Sunil V L --- .../PlatformInitLib/PlatformInitLib.inf | 9 ++- OvmfPkg/Include/Library/PlatformInitLib.h | 6 ++ .../PlatformInitLib/RiscV64/PlatformPeiLib.c | 73 +++++++++++++++++++ 3 files changed, 87 insertions(+), 1 deletion(-) create mode 100644 OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c diff --git a/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf b/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf index d4449e40af61..ef8675999583 100644 --- a/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf +++ b/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf @@ -19,7 +19,7 @@ [Defines] # # The following information is for reference only and not required by the build tools. # -# VALID_ARCHITECTURES = IA32 X64 EBC +# VALID_ARCHITECTURES = IA32 X64 EBC RISCV64 # [Sources.IA32, Sources.X64] @@ -33,6 +33,9 @@ [Sources.IA32] [Sources.X64] Ia32_X64/IntelTdx.c +[Sources.RISCV64] + RiscV64/PlatformPeiLib.c + [Packages] EmbeddedPkg/EmbeddedPkg.dec MdeModulePkg/MdeModulePkg.dec @@ -58,6 +61,10 @@ [LibraryClasses.IA32, LibraryClasses.X64] [LibraryClasses.X64] TdxLib +[LibraryClasses.RISCV64] + RiscVSbiLib + FdtLib + [Pcd] gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress diff --git a/OvmfPkg/Include/Library/PlatformInitLib.h b/OvmfPkg/Include/Library/PlatformInitLib.h index c5234bf26d45..1b8d1fad3b49 100644 --- a/OvmfPkg/Include/Library/PlatformInitLib.h +++ b/OvmfPkg/Include/Library/PlatformInitLib.h @@ -285,4 +285,10 @@ PlatformInitEmuVariableNvStore ( IN VOID *EmuVariableNvStore ); +EFI_STATUS +EFIAPI +PlatformPeim ( + VOID + ); + #endif // PLATFORM_INIT_LIB_H_ diff --git a/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c b/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c new file mode 100644 index 000000000000..c5db7777c849 --- /dev/null +++ b/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c @@ -0,0 +1,73 @@ +/** @file +The library call to pass the device tree to DXE via HOB. + +Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.
+Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.
+ +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +// +//// The package level header files this module uses +//// +#include + +#include +#include +#include +#include + +#include + +#include + +/** + @retval EFI_SUCCESS The address of FDT is passed in HOB. + EFI_UNSUPPORTED Can't locate FDT. +**/ +EFI_STATUS +EFIAPI +PlatformPeim ( + VOID + ) +{ + EFI_RISCV_FIRMWARE_CONTEXT *FirmwareContext; + VOID *FdtPointer; + VOID *Base; + VOID *NewBase; + UINTN FdtSize; + UINTN FdtPages; + UINT64 *FdtHobData; + + FirmwareContext = NULL; + GetFirmwareContextPointer (&FirmwareContext); + + if (FirmwareContext == NULL) { + DEBUG ((DEBUG_ERROR, "%a: Firmware Context is NULL\n", __FUNCTION__)); + return EFI_UNSUPPORTED; + } + + FdtPointer = (VOID *)FirmwareContext->FlattenedDeviceTree; + if (FdtPointer == NULL) { + DEBUG ((DEBUG_ERROR, "%a: Invalid FDT pointer\n", __FUNCTION__)); + return EFI_UNSUPPORTED; + } + + DEBUG ((DEBUG_INFO, "%a: Build FDT HOB - FDT at address: 0x%x \n", __FUNCTION__, FdtPointer)); + Base = FdtPointer; + ASSERT (Base != NULL); + ASSERT (fdt_check_header (Base) == 0); + + FdtSize = fdt_totalsize (Base); + FdtPages = EFI_SIZE_TO_PAGES (FdtSize); + NewBase = AllocatePages (FdtPages); + ASSERT (NewBase != NULL); + fdt_open_into (Base, NewBase, EFI_PAGES_TO_SIZE (FdtPages)); + + FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof *FdtHobData); + ASSERT (FdtHobData != NULL); + *FdtHobData = (UINTN)NewBase; + + return EFI_SUCCESS; +} -- 2.25.1