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1 | /** @file\r |
2 | This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi \r | |
3 | tables from coreboot and install.\r | |
4 | \r | |
5 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php.\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | #include "CbSupportDxe.h"\r | |
16 | \r | |
17 | UINTN mPmCtrlReg = 0;\r | |
18 | /**\r | |
19 | Reserve MMIO/IO resource in GCD\r | |
20 | \r | |
21 | @param IsMMIO Flag of whether it is mmio resource or io resource.\r | |
22 | @param GcdType Type of the space.\r | |
23 | @param BaseAddress Base address of the space.\r | |
24 | @param Length Length of the space.\r | |
25 | @param Alignment Align with 2^Alignment\r | |
26 | @param ImageHandle Handle for the image of this driver.\r | |
27 | \r | |
28 | @retval EFI_SUCCESS Reserve successful\r | |
29 | **/\r | |
30 | EFI_STATUS\r | |
31 | CbReserveResourceInGcd (\r | |
32 | IN BOOLEAN IsMMIO,\r | |
33 | IN UINTN GcdType,\r | |
34 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
35 | IN UINT64 Length,\r | |
36 | IN UINTN Alignment,\r | |
37 | IN EFI_HANDLE ImageHandle\r | |
38 | )\r | |
39 | {\r | |
40 | EFI_STATUS Status;\r | |
41 | \r | |
42 | if (IsMMIO) {\r | |
43 | Status = gDS->AddMemorySpace (\r | |
44 | GcdType,\r | |
45 | BaseAddress,\r | |
46 | Length,\r | |
47 | EFI_MEMORY_UC\r | |
48 | );\r | |
49 | if (EFI_ERROR (Status)) {\r | |
50 | DEBUG ((\r | |
51 | EFI_D_ERROR,\r | |
42e548a8 | 52 | "Failed to add memory space :0x%lx 0x%lx\n",\r |
fce4ecd9 MM |
53 | BaseAddress,\r |
54 | Length\r | |
55 | ));\r | |
56 | }\r | |
57 | ASSERT_EFI_ERROR (Status);\r | |
58 | Status = gDS->AllocateMemorySpace (\r | |
59 | EfiGcdAllocateAddress,\r | |
60 | GcdType,\r | |
61 | Alignment,\r | |
62 | Length,\r | |
63 | &BaseAddress,\r | |
64 | ImageHandle,\r | |
65 | NULL\r | |
66 | );\r | |
67 | ASSERT_EFI_ERROR (Status);\r | |
68 | } else {\r | |
69 | Status = gDS->AddIoSpace (\r | |
70 | GcdType,\r | |
71 | BaseAddress,\r | |
72 | Length\r | |
73 | );\r | |
74 | ASSERT_EFI_ERROR (Status);\r | |
75 | Status = gDS->AllocateIoSpace (\r | |
76 | EfiGcdAllocateAddress,\r | |
77 | GcdType,\r | |
78 | Alignment,\r | |
79 | Length,\r | |
80 | &BaseAddress,\r | |
81 | ImageHandle,\r | |
82 | NULL\r | |
83 | );\r | |
84 | ASSERT_EFI_ERROR (Status);\r | |
85 | }\r | |
86 | return Status;\r | |
87 | }\r | |
88 | \r | |
89 | /**\r | |
90 | Notification function of EVT_GROUP_READY_TO_BOOT event group.\r | |
91 | \r | |
92 | This is a notification function registered on EVT_GROUP_READY_TO_BOOT event group.\r | |
93 | When the Boot Manager is about to load and execute a boot option, it reclaims variable\r | |
94 | storage if free size is below the threshold.\r | |
95 | \r | |
96 | @param Event Event whose notification function is being invoked.\r | |
97 | @param Context Pointer to the notification function's context.\r | |
98 | \r | |
99 | **/\r | |
100 | VOID\r | |
c952b5b1 | 101 | EFIAPI\r |
fce4ecd9 | 102 | OnReadyToBoot (\r |
c952b5b1 SD |
103 | IN EFI_EVENT Event,\r |
104 | IN VOID *Context\r | |
fce4ecd9 MM |
105 | )\r |
106 | { \r | |
107 | //\r | |
108 | // Enable SCI\r | |
109 | //\r | |
110 | IoOr16 (mPmCtrlReg, BIT0);\r | |
111 | \r | |
42e548a8 | 112 | DEBUG ((EFI_D_ERROR, "Enable SCI bit at 0x%lx before boot\n", (UINT64)mPmCtrlReg)); \r |
fce4ecd9 MM |
113 | }\r |
114 | \r | |
115 | /**\r | |
116 | Main entry for the Coreboot Support DXE module.\r | |
117 | \r | |
118 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
119 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
120 | \r | |
121 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
122 | @retval other Some error occurs when executing this entry point.\r | |
123 | \r | |
124 | **/\r | |
125 | EFI_STATUS\r | |
6d577625 | 126 | EFIAPI\r |
fce4ecd9 MM |
127 | CbDxeEntryPoint (\r |
128 | IN EFI_HANDLE ImageHandle,\r | |
129 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
130 | )\r | |
131 | { \r | |
132 | EFI_STATUS Status;\r | |
133 | EFI_EVENT ReadyToBootEvent;\r | |
134 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
135 | SYSTEM_TABLE_INFO *pSystemTableInfo;\r | |
136 | ACPI_BOARD_INFO *pAcpiBoardInfo;\r | |
137 | \r | |
138 | Status = EFI_SUCCESS;\r | |
139 | //\r | |
140 | // Report MMIO/IO Resources\r | |
141 | //\r | |
142 | Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEE00000, SIZE_1MB, 0, SystemTable); // LAPIC \r | |
143 | ASSERT_EFI_ERROR (Status);\r | |
144 | \r | |
145 | Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC \r | |
146 | ASSERT_EFI_ERROR (Status);\r | |
147 | \r | |
148 | Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET \r | |
149 | ASSERT_EFI_ERROR (Status);\r | |
150 | \r | |
151 | //\r | |
152 | // Find the system table information guid hob\r | |
153 | //\r | |
154 | GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);\r | |
155 | ASSERT (GuidHob != NULL);\r | |
156 | pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);\r | |
157 | \r | |
158 | //\r | |
159 | // Install Acpi Table\r | |
160 | //\r | |
161 | if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) { \r | |
42e548a8 | 162 | DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%lx, length 0x%x\n", pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize)); \r |
fce4ecd9 MM |
163 | Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);\r |
164 | ASSERT_EFI_ERROR (Status);\r | |
165 | }\r | |
166 | \r | |
167 | //\r | |
168 | // Install Smbios Table\r | |
169 | //\r | |
170 | if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) { \r | |
42e548a8 | 171 | DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%lx, length 0x%x\n", pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize)); \r |
fce4ecd9 MM |
172 | Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);\r |
173 | ASSERT_EFI_ERROR (Status);\r | |
174 | }\r | |
175 | \r | |
176 | //\r | |
177 | // Find the acpi board information guid hob\r | |
178 | //\r | |
179 | GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);\r | |
180 | ASSERT (GuidHob != NULL);\r | |
181 | pAcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob); \r | |
182 | \r | |
183 | mPmCtrlReg = (UINTN)pAcpiBoardInfo->PmCtrlRegBase;\r | |
42e548a8 | 184 | DEBUG ((EFI_D_ERROR, "PmCtrlReg at 0x%lx\n", (UINT64)mPmCtrlReg)); \r |
fce4ecd9 MM |
185 | \r |
186 | //\r | |
187 | // Register callback on the ready to boot event \r | |
188 | // in order to enable SCI\r | |
189 | // \r | |
190 | ReadyToBootEvent = NULL;\r | |
191 | Status = EfiCreateEventReadyToBootEx (\r | |
192 | TPL_CALLBACK,\r | |
193 | OnReadyToBoot,\r | |
194 | NULL,\r | |
195 | &ReadyToBootEvent\r | |
196 | );\r | |
197 | ASSERT_EFI_ERROR (Status);\r | |
198 | \r | |
199 | return EFI_SUCCESS;\r | |
200 | }\r | |
201 | \r |