]> git.proxmox.com Git - mirror_edk2.git/blame - Vlv2TbltDevicePkg/Library/FlashDeviceLib/FlashDeviceLibDxeRuntimeSmm.c
Vlv2TbltDevicePkg: Remove SMM binary modules from FDF
[mirror_edk2.git] / Vlv2TbltDevicePkg / Library / FlashDeviceLib / FlashDeviceLibDxeRuntimeSmm.c
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1/** @file\r
2\r
3 Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>\r
4\r
5 This program and the accompanying materials are licensed and made available under\r
6 the terms and conditions of the BSD License that accompanies this distribution.\r
7 The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php.\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13\r
14\r
15**/\r
16\r
17#include <PiDxe.h>\r
18\r
19#include <Library/FlashDeviceLib.h>\r
20#include <Library/DebugLib.h>\r
21#include <Library/BaseLib.h>\r
22#include <Library/UefiBootServicesTableLib.h>\r
23#include <Library/UefiRuntimeServicesTableLib.h>\r
24#include <Library/BaseMemoryLib.h>\r
25#include <Library/UefiRuntimeLib.h>\r
26#include <Protocol/SmmBase2.h>\r
27#include <Guid/EventGroup.h>\r
28#include "SpiChipDefinitions.h"\r
29\r
30extern UINTN FlashDeviceBase;\r
31\r
32extern EFI_SPI_PROTOCOL *mSpiProtocol;\r
33\r
34VOID\r
35EFIAPI\r
36LibFvbFlashDeviceVirtualAddressChangeNotifyEvent (\r
37 IN EFI_EVENT Event,\r
38 IN VOID *Context\r
39 )\r
40{\r
41 gRT->ConvertPointer (0, (VOID **) &mSpiProtocol);\r
42 gRT->ConvertPointer (0, (VOID **) &FlashDeviceBase);\r
43}\r
44\r
45\r
46/**\r
47 The library constructuor.\r
48\r
49 The function does the necessary initialization work for this library\r
50 instance. Please put all initialization works in it.\r
51\r
52 @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
53 @param[in] SystemTable A pointer to the EFI system table.\r
54\r
55 @retval EFI_SUCCESS The function always return EFI_SUCCESS for now.\r
56 It will ASSERT on error for debug version.\r
57 @retval EFI_ERROR Please reference LocateProtocol for error code details.\r
58\r
59**/\r
60EFI_STATUS\r
61EFIAPI\r
62LibFvbFlashDeviceSupportInit (\r
63 IN EFI_HANDLE ImageHandle,\r
64 IN EFI_SYSTEM_TABLE *SystemTable\r
65 )\r
66{\r
67 EFI_STATUS Status;\r
68 EFI_EVENT Event;\r
69 UINT8 SfId[3];\r
70 UINT8 FlashIndex;\r
71 UINT8 SpiReadError;\r
72 UINT8 SpiNotMatchError;\r
73 EFI_SMM_BASE2_PROTOCOL *SmmBase;\r
74 BOOLEAN InSmm;\r
75\r
76 SpiReadError = 0x00;\r
77 SpiNotMatchError = 0x00;\r
78\r
79 InSmm = FALSE;\r
80 Status = gBS->LocateProtocol (\r
81 &gEfiSmmBase2ProtocolGuid,\r
82 NULL,\r
83 (void **)&SmmBase\r
84 );\r
85 if (!EFI_ERROR(Status)) {\r
86 Status = SmmBase->InSmm(SmmBase, &InSmm);\r
87 if (EFI_ERROR(Status)) {\r
88 InSmm = FALSE;\r
89 }\r
90 }\r
91\r
92 if (!InSmm) {\r
93 Status = gBS->LocateProtocol (\r
94 &gEfiSpiProtocolGuid,\r
95 NULL,\r
96 (VOID **)&mSpiProtocol\r
97 );\r
98 ASSERT_EFI_ERROR (Status);\r
99\r
100 Status = gBS->CreateEventEx (\r
101 EVT_NOTIFY_SIGNAL,\r
102 TPL_NOTIFY,\r
103 LibFvbFlashDeviceVirtualAddressChangeNotifyEvent,\r
104 NULL,\r
105 &gEfiEventVirtualAddressChangeGuid,\r
106 &Event\r
107 );\r
108 ASSERT_EFI_ERROR (Status);\r
109\r
110 } else {\r
111 Status = gBS->LocateProtocol (\r
112 &gEfiSmmSpiProtocolGuid,\r
113 NULL,\r
114 (VOID **)&mSpiProtocol\r
115 );\r
116 ASSERT_EFI_ERROR (Status);\r
117 }\r
118\r
119\r
120 for (FlashIndex = EnumSpiFlashW25Q64; FlashIndex < EnumSpiFlashMax; FlashIndex++) {\r
121 Status = mSpiProtocol->Init (mSpiProtocol, &(mInitTable[FlashIndex]));\r
122 if (!EFI_ERROR (Status)) {\r
123 //\r
124 // Read Vendor/Device IDs to check if the driver supports the Serial Flash device.\r
125 //\r
126 Status = mSpiProtocol->Execute (\r
127 mSpiProtocol,\r
128 SPI_READ_ID,\r
129 SPI_WREN,\r
130 TRUE,\r
131 FALSE,\r
132 FALSE,\r
133 0,\r
134 3,\r
135 SfId,\r
136 EnumSpiRegionAll\r
137 );\r
138 if (!EFI_ERROR (Status)) {\r
139 if ((SfId[0] == mInitTable[FlashIndex].VendorId) &&\r
140 (SfId[1] == mInitTable[FlashIndex].DeviceId0) &&\r
141 (SfId[2] == mInitTable[FlashIndex].DeviceId1)) {\r
142 //\r
143 // Found a matching SPI device, FlashIndex now contains flash device.\r
144 //\r
145 DEBUG ((EFI_D_ERROR, "OK - Found SPI Flash Type in SPI Flash Driver, Device Type ID 0 = 0x%02x!\n", mInitTable[FlashIndex].DeviceId0));\r
146 DEBUG ((EFI_D_ERROR, "Device Type ID 1 = 0x%02x!\n", mInitTable[FlashIndex].DeviceId1));\r
147\r
148 if (mInitTable[FlashIndex].BiosStartOffset == (UINTN) (-1)) {\r
149 DEBUG ((EFI_D_ERROR, "ERROR - The size of BIOS image is bigger than SPI Flash device!\n"));\r
150 CpuDeadLoop ();\r
151 }\r
152 break;\r
153 } else {\r
154 SpiNotMatchError++;\r
155 }\r
156 } else {\r
157 SpiReadError++;\r
158 }\r
159 }\r
160 }\r
161\r
162 DEBUG ((EFI_D_ERROR, "SPI flash chip VID = 0x%X, DID0 = 0x%X, DID1 = 0x%X\n", SfId[0], SfId[1], SfId[2]));\r
163\r
164 if (FlashIndex < EnumSpiFlashMax) {\r
165 return EFI_SUCCESS;\r
166 } else {\r
167 if (SpiReadError != 0) {\r
168 DEBUG ((EFI_D_ERROR, "ERROR - SPI Read ID execution failed! Error Count = %d\n", SpiReadError));\r
169 }\r
170 else {\r
171 if (SpiNotMatchError != 0) {\r
172 DEBUG ((EFI_D_ERROR, "ERROR - No supported SPI flash chip found! Error Count = %d\n", SpiNotMatchError));\r
173 DEBUG ((EFI_D_ERROR, "SPI flash chip VID = 0x%X, DID0 = 0x%X, DID1 = 0x%X\n", SfId[0], SfId[1], SfId[2]));\r
174 }\r
175 }\r
176 return EFI_UNSUPPORTED;\r
177 }\r
178}\r
179\r