From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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) From: Thomas Abraham To: edk2-devel@lists.01.org Cc: ard.biesheuvel@linaro.org, leif.lindholm@linaro.org, Vishwanatha HG 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: [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: , X-List-Received-Date: Wed, 09 May 2018 08:50:27 -0000 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 available + 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 IMPLIED. + + **/ + +#include +#include +#include +#include +#include + +STATIC NOR_FLASH_DESCRIPTION mNorFlashDevices[] = { + { + SGI_EXP_SMC_CS0_BASE, + SGI_EXP_SMC_CS0_BASE, + SIZE_256KB * 256, + SIZE_256KB, + {0xEBF0B9DF, 0x17d0, 0x4812, { 0xA9, 0x59, 0xCF, 0xD7, 0x92, 0xEE, 0x31, 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, 0x72, 0x4A } } + }, +}; + +EFI_STATUS +NorFlashPlatformInitialization ( + VOID + ) +{ + UINT64 SysRegFlash; + + SysRegFlash = SGI_EXP_SYSPH_SYSTEM_REGISTERS + SGI_SYSPH_SYS_REG_FLASH; + if ((MmioRead32 (SysRegFlash) & SGI_SYSPH_SYS_REG_FLASH_RWEN) == 0) { + MmioWrite32 (SysRegFlash, 1); + } + + return EFI_SUCCESS; +} + +EFI_STATUS +NorFlashPlatformGetDevices ( + OUT NOR_FLASH_DESCRIPTION **NorFlashDevices, + OUT UINT32 *Count + ) +{ + if ((NorFlashDevices == NULL) || (Count == NULL)) { + return EFI_INVALID_PARAMETER; + } + + *NorFlashDevices = mNorFlashDevices; + *Count = ARRAY_SIZE (mNorFlashDevices); + return EFI_SUCCESS; +} diff --git a/Platform/ARM/SgiPkg/Library/NorFlashLib/NorFlashLib.inf b/Platform/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 available +# 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 IMPLIED. +# +#**/ + +[Defines] + INF_VERSION = 0x0001001A + BASE_NAME = NorFlashSgiLib + FILE_GUID = 3f021755-6d74-4065-9ee4-98225267b36e + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + LIBRARY_CLASS = NorFlashPlatformLib + +[Sources.common] + NorFlash.c + +[Packages] + ArmPlatformPkg/ArmPlatformPkg.dec + MdePkg/MdePkg.dec + Platform/ARM/SgiPkg/SgiPlatform.dec + +[LibraryClasses] + BaseLib + DebugLib + IoLib -- 2.7.4