Patrick Williams | 8e7b46e | 2023-05-01 14:19:06 -0500 | [diff] [blame^] | 1 | From 70e79ba5300f01a13422452c29e26c69042a0c8c Mon Sep 17 00:00:00 2001 |
| 2 | From: sahil <sahil@arm.com> |
| 3 | Date: Mon, 2 May 2022 18:50:08 +0530 |
| 4 | Subject: [PATCH] Platform/ARM/N1Sdp: NOR flash library for N1Sdp |
| 5 | |
| 6 | Add NOR flash library, this library provides APIs for getting the list |
| 7 | of NOR flash devices on the platform. |
| 8 | |
| 9 | Upstream-Status: Pending |
| 10 | Signed-off-by: Xueliang Zhong <xueliang.zhong@arm.com> |
| 11 | Signed-off-by: sahil <sahil@arm.com> |
| 12 | Change-Id: I39ad4143b7fad7e33b3b151a019a74f23e0ed441 |
| 13 | --- |
| 14 | .../Library/NorFlashLib/NorFlashLib.c | 52 +++++++++++++++++++ |
| 15 | .../Library/NorFlashLib/NorFlashLib.inf | 36 +++++++++++++ |
| 16 | 2 files changed, 88 insertions(+) |
| 17 | create mode 100644 Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.c |
| 18 | create mode 100644 Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.inf |
| 19 | |
| 20 | diff --git a/Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.c b/Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.c |
| 21 | new file mode 100644 |
| 22 | index 00000000..eee3d1c6 |
| 23 | --- /dev/null |
| 24 | +++ b/Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.c |
| 25 | @@ -0,0 +1,52 @@ |
| 26 | +/** @file |
| 27 | + NOR flash lib for N1Sdp |
| 28 | + |
| 29 | + Copyright (c) 2023, ARM Limited. All rights reserved.<BR> |
| 30 | + |
| 31 | + SPDX-License-Identifier: BSD-2-Clause-Patent |
| 32 | + |
| 33 | +**/ |
| 34 | + |
| 35 | +#include <Library/DebugLib.h> |
| 36 | +#include <Library/IoLib.h> |
| 37 | +#include <Library/NorFlashPlatformLib.h> |
| 38 | +#include <NeoverseN1Soc.h> |
| 39 | +#include <PiDxe.h> |
| 40 | + |
| 41 | +#define FW_ENV_REGION_BASE FixedPcdGet32 (PcdFlashNvStorageVariableBase) |
| 42 | +#define FW_ENV_REGION_SIZE (FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \ |
| 43 | + FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \ |
| 44 | + FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize)) |
| 45 | + |
| 46 | +STATIC NOR_FLASH_DESCRIPTION mNorFlashDevices[] = { |
| 47 | + { |
| 48 | + /// Environment variable region |
| 49 | + NEOVERSEN1SOC_SCP_QSPI_AHB_BASE, ///< device base |
| 50 | + FW_ENV_REGION_BASE, ///< region base |
| 51 | + FW_ENV_REGION_SIZE, ///< region size |
| 52 | + SIZE_4KB, ///< block size |
| 53 | + }, |
| 54 | +}; |
| 55 | + |
| 56 | +/** |
| 57 | + Get NOR flash region info |
| 58 | + |
| 59 | + @param[out] NorFlashDevices NOR flash regions info. |
| 60 | + @param[out] Count number of flash instance. |
| 61 | + |
| 62 | + @retval EFI_SUCCESS Success. |
| 63 | +**/ |
| 64 | +EFI_STATUS |
| 65 | +NorFlashPlatformGetDevices ( |
| 66 | + OUT NOR_FLASH_DESCRIPTION **NorFlashDevices, |
| 67 | + OUT UINT32 *Count |
| 68 | + ) |
| 69 | +{ |
| 70 | + if ((NorFlashDevices == NULL) || (Count == NULL)) { |
| 71 | + return EFI_INVALID_PARAMETER; |
| 72 | + } |
| 73 | + |
| 74 | + *NorFlashDevices = mNorFlashDevices; |
| 75 | + *Count = ARRAY_SIZE (mNorFlashDevices); |
| 76 | + return EFI_SUCCESS; |
| 77 | +} |
| 78 | diff --git a/Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.inf b/Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.inf |
| 79 | new file mode 100644 |
| 80 | index 00000000..784856c8 |
| 81 | --- /dev/null |
| 82 | +++ b/Silicon/ARM/NeoverseN1Soc/Library/NorFlashLib/NorFlashLib.inf |
| 83 | @@ -0,0 +1,36 @@ |
| 84 | +## @file |
| 85 | +# NOR flash lib for N1Sdp |
| 86 | +# |
| 87 | +# Copyright (c) 2023, ARM Limited. All rights reserved.<BR> |
| 88 | +# |
| 89 | +# SPDX-License-Identifier: BSD-2-Clause-Patent |
| 90 | +# |
| 91 | +## |
| 92 | + |
| 93 | +[Defines] |
| 94 | + INF_VERSION = 0x0001001B |
| 95 | + BASE_NAME = NorFlashN1SdpLib |
| 96 | + FILE_GUID = 7006fcf1-a585-4272-92e3-b286b1dff5bb |
| 97 | + MODULE_TYPE = DXE_DRIVER |
| 98 | + VERSION_STRING = 1.0 |
| 99 | + LIBRARY_CLASS = NorFlashPlatformLib |
| 100 | + |
| 101 | +[Sources.common] |
| 102 | + NorFlashLib.c |
| 103 | + |
| 104 | +[Packages] |
| 105 | + MdeModulePkg/MdeModulePkg.dec |
| 106 | + MdePkg/MdePkg.dec |
| 107 | + Platform/ARM/ARM.dec |
| 108 | + Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec |
| 109 | + |
| 110 | +[LibraryClasses] |
| 111 | + BaseLib |
| 112 | + DebugLib |
| 113 | + IoLib |
| 114 | + |
| 115 | +[FixedPcd] |
| 116 | + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize |
| 117 | + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize |
| 118 | + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase |
| 119 | + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize |