From nobody Mon Feb 9 08:56:32 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1525855832207204.70579048358684; Wed, 9 May 2018 01:50:32 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 70B11203B85B4; Wed, 9 May 2018 01:50:28 -0700 (PDT) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by ml01.01.org (Postfix) with ESMTP id B4B9B203B85A9 for ; Wed, 9 May 2018 01:50:27 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 895DF1529; Wed, 9 May 2018 01:50:27 -0700 (PDT) Received: from usa.arm.com (a74716-lin.blr.arm.com [10.162.4.145]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6DB1A3F318; Wed, 9 May 2018 01:50:26 -0700 (PDT) X-Original-To: edk2-devel@lists.01.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=217.140.101.70; helo=foss.arm.com; envelope-from=thomas.abraham@arm.com; receiver=edk2-devel@lists.01.org From: Thomas Abraham To: edk2-devel@lists.01.org Date: Wed, 9 May 2018 14:20:07 +0530 Message-Id: <1525855811-10208-3-git-send-email-thomas.abraham@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525855811-10208-1-git-send-email-thomas.abraham@arm.com> References: <1525855811-10208-1-git-send-email-thomas.abraham@arm.com> Subject: [edk2] [PATCH edk2-platforms v3 2/6] Platform/ARM/Sgi: add NOR flash platform library implementation X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: leif.lindholm@linaro.org, ard.biesheuvel@linaro.org MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Vishwanatha HG Add a initial NOR flash driver platform wrapper as part of the platform library. Access to NOR flash devices connected to CS0 and CS1 is enabled in this initial implementation. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Vishwanatha HG Signed-off-by: Thomas Abraham --- Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlash.c | 66 ++++++++++++++++++= ++++ .../ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf | 34 +++++++++++ 2 files changed, 100 insertions(+) create mode 100644 Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlash.c create mode 100644 Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf diff --git a/Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlash.c b/Platform/= ARM/SgiPkg/Library/NorFlashLib/NorFlash.c new file mode 100644 index 0000000..9b4981f --- /dev/null +++ b/Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlash.c @@ -0,0 +1,66 @@ +/** @file + + Copyright (c) 2018, ARM Ltd. All rights reserved. + + This program and the accompanying materials are licensed and made availa= ble + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMP= LIED. + + **/ + +#include +#include +#include +#include +#include + +STATIC NOR_FLASH_DESCRIPTION mNorFlashDevices[] =3D { + { + SGI_EXP_SMC_CS0_BASE, + SGI_EXP_SMC_CS0_BASE, + SIZE_256KB * 256, + SIZE_256KB, + {0xEBF0B9DF, 0x17d0, 0x4812, { 0xA9, 0x59, 0xCF, 0xD7, 0x92, 0xEE, 0x3= 1, 0x13} } + }, + { + SGI_EXP_SMC_CS1_BASE, + SGI_EXP_SMC_CS1_BASE, + SIZE_256KB * 256, + SIZE_256KB, + { 0x1F15DA3C, 0x37FF, 0x4070, { 0xB4, 0x71, 0xBB, 0x4A, 0xF1, 0x2A, 0x= 72, 0x4A } } + }, +}; + +EFI_STATUS +NorFlashPlatformInitialization ( + VOID + ) +{ + UINT64 SysRegFlash; + + SysRegFlash =3D SGI_EXP_SYSPH_SYSTEM_REGISTERS + SGI_SYSPH_SYS_REG_FLASH; + if ((MmioRead32 (SysRegFlash) & SGI_SYSPH_SYS_REG_FLASH_RWEN) =3D=3D 0) { + MmioWrite32 (SysRegFlash, 1); + } + + return EFI_SUCCESS; +} + +EFI_STATUS +NorFlashPlatformGetDevices ( + OUT NOR_FLASH_DESCRIPTION **NorFlashDevices, + OUT UINT32 *Count + ) +{ + if ((NorFlashDevices =3D=3D NULL) || (Count =3D=3D NULL)) { + return EFI_INVALID_PARAMETER; + } + + *NorFlashDevices =3D mNorFlashDevices; + *Count =3D ARRAY_SIZE (mNorFlashDevices); + return EFI_SUCCESS; +} diff --git a/Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf b/Plat= form/ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf new file mode 100644 index 0000000..4db2fd8 --- /dev/null +++ b/Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf @@ -0,0 +1,34 @@ +#/** @file +# +# Copyright (c) 2018, ARM Ltd. All rights reserved. + +# This program and the accompanying materials are licensed and made avail= able +# under the terms and conditions of the BSD License which accompanies this +# distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IM= PLIED. +# +#**/ + +[Defines] + INF_VERSION =3D 0x0001001A + BASE_NAME =3D NorFlashSgiLib + FILE_GUID =3D 3f021755-6d74-4065-9ee4-98225267b36e + MODULE_TYPE =3D DXE_DRIVER + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D NorFlashPlatformLib + +[Sources.common] + NorFlash.c + +[Packages] + ArmPlatformPkg/ArmPlatformPkg.dec + MdePkg/MdePkg.dec + Platform/ARM/SgiPkg/SgiPlatform.dec + +[LibraryClasses] + BaseLib + DebugLib + IoLib --=20 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel