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1 | /** @file\r |
2 | The EmmcDxe driver is used to manage the EMMC device.\r | |
3 | \r | |
4 | It produces BlockIo, BlockIo2 and StorageSecurity protocols to allow upper layer\r | |
5 | access the EMMC device.\r | |
6 | \r | |
7 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
8 | This program and the accompanying materials\r | |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #include "EmmcDxe.h"\r | |
19 | \r | |
20 | //\r | |
21 | // EmmcDxe Driver Binding Protocol Instance\r | |
22 | //\r | |
23 | EFI_DRIVER_BINDING_PROTOCOL gEmmcDxeDriverBinding = {\r | |
24 | EmmcDxeDriverBindingSupported,\r | |
25 | EmmcDxeDriverBindingStart,\r | |
26 | EmmcDxeDriverBindingStop,\r | |
27 | 0x10,\r | |
28 | NULL,\r | |
29 | NULL\r | |
30 | };\r | |
31 | \r | |
32 | //\r | |
33 | // Template for Emmc Partitions.\r | |
34 | //\r | |
35 | EMMC_PARTITION mEmmcPartitionTemplate = {\r | |
36 | EMMC_PARTITION_SIGNATURE, // Signature\r | |
37 | FALSE, // Enable\r | |
38 | EmmcPartitionUnknown, // PartitionType\r | |
39 | NULL, // Handle\r | |
40 | NULL, // DevicePath\r | |
41 | { // BlockIo\r | |
42 | EFI_BLOCK_IO_PROTOCOL_REVISION,\r | |
43 | NULL,\r | |
44 | EmmcReset,\r | |
45 | EmmcReadBlocks,\r | |
46 | EmmcWriteBlocks,\r | |
47 | EmmcFlushBlocks\r | |
48 | },\r | |
49 | { // BlockIo2\r | |
50 | NULL,\r | |
51 | EmmcResetEx,\r | |
52 | EmmcReadBlocksEx,\r | |
53 | EmmcWriteBlocksEx,\r | |
54 | EmmcFlushBlocksEx\r | |
55 | },\r | |
56 | { // BlockMedia\r | |
57 | 0, // MediaId\r | |
58 | FALSE, // RemovableMedia\r | |
59 | TRUE, // MediaPresent\r | |
60 | FALSE, // LogicPartition\r | |
61 | FALSE, // ReadOnly\r | |
62 | FALSE, // WritingCache\r | |
63 | 0x200, // BlockSize\r | |
64 | 0, // IoAlign\r | |
65 | 0 // LastBlock\r | |
66 | },\r | |
67 | { // StorageSecurity\r | |
68 | EmmcSecurityProtocolIn,\r | |
69 | EmmcSecurityProtocolOut\r | |
70 | },\r | |
71 | {\r | |
72 | NULL,\r | |
73 | NULL\r | |
74 | },\r | |
75 | NULL // Device\r | |
76 | };\r | |
77 | \r | |
78 | /**\r | |
79 | Decode and print EMMC CSD Register content.\r | |
80 | \r | |
81 | @param[in] Csd Pointer to EMMC_CSD data structure.\r | |
82 | \r | |
83 | @retval EFI_SUCCESS The function completed successfully\r | |
84 | **/\r | |
85 | EFI_STATUS\r | |
86 | DumpCsd (\r | |
87 | IN EMMC_CSD *Csd\r | |
88 | )\r | |
89 | {\r | |
90 | DEBUG((DEBUG_INFO, "== Dump Emmc Csd Register==\n"));\r | |
91 | DEBUG((DEBUG_INFO, " CSD structure 0x%x\n", Csd->CsdStructure));\r | |
92 | DEBUG((DEBUG_INFO, " System specification version 0x%x\n", Csd->SpecVers));\r | |
93 | DEBUG((DEBUG_INFO, " Data read access-time 1 0x%x\n", Csd->Taac));\r | |
94 | DEBUG((DEBUG_INFO, " Data read access-time 2 0x%x\n", Csd->Nsac));\r | |
95 | DEBUG((DEBUG_INFO, " Max. bus clock frequency 0x%x\n", Csd->TranSpeed));\r | |
96 | DEBUG((DEBUG_INFO, " Device command classes 0x%x\n", Csd->Ccc));\r | |
97 | DEBUG((DEBUG_INFO, " Max. read data block length 0x%x\n", Csd->ReadBlLen));\r | |
98 | DEBUG((DEBUG_INFO, " Partial blocks for read allowed 0x%x\n", Csd->ReadBlPartial));\r | |
99 | DEBUG((DEBUG_INFO, " Write block misalignment 0x%x\n", Csd->WriteBlkMisalign));\r | |
100 | DEBUG((DEBUG_INFO, " Read block misalignment 0x%x\n", Csd->ReadBlkMisalign));\r | |
101 | DEBUG((DEBUG_INFO, " DSR implemented 0x%x\n", Csd->DsrImp));\r | |
102 | DEBUG((DEBUG_INFO, " Device size 0x%x\n", Csd->CSizeLow | (Csd->CSizeHigh << 2)));\r | |
103 | DEBUG((DEBUG_INFO, " Max. read current @ VDD min 0x%x\n", Csd->VddRCurrMin));\r | |
104 | DEBUG((DEBUG_INFO, " Max. read current @ VDD max 0x%x\n", Csd->VddRCurrMax));\r | |
105 | DEBUG((DEBUG_INFO, " Max. write current @ VDD min 0x%x\n", Csd->VddWCurrMin));\r | |
106 | DEBUG((DEBUG_INFO, " Max. write current @ VDD max 0x%x\n", Csd->VddWCurrMax));\r | |
107 | DEBUG((DEBUG_INFO, " Device size multiplier 0x%x\n", Csd->CSizeMult));\r | |
108 | DEBUG((DEBUG_INFO, " Erase group size 0x%x\n", Csd->EraseGrpSize));\r | |
109 | DEBUG((DEBUG_INFO, " Erase group size multiplier 0x%x\n", Csd->EraseGrpMult));\r | |
110 | DEBUG((DEBUG_INFO, " Write protect group size 0x%x\n", Csd->WpGrpSize));\r | |
111 | DEBUG((DEBUG_INFO, " Write protect group enable 0x%x\n", Csd->WpGrpEnable));\r | |
112 | DEBUG((DEBUG_INFO, " Manufacturer default ECC 0x%x\n", Csd->DefaultEcc));\r | |
113 | DEBUG((DEBUG_INFO, " Write speed factor 0x%x\n", Csd->R2WFactor));\r | |
114 | DEBUG((DEBUG_INFO, " Max. write data block length 0x%x\n", Csd->WriteBlLen));\r | |
115 | DEBUG((DEBUG_INFO, " Partial blocks for write allowed 0x%x\n", Csd->WriteBlPartial));\r | |
116 | DEBUG((DEBUG_INFO, " Content protection application 0x%x\n", Csd->ContentProtApp));\r | |
117 | DEBUG((DEBUG_INFO, " File format group 0x%x\n", Csd->FileFormatGrp));\r | |
118 | DEBUG((DEBUG_INFO, " Copy flag (OTP) 0x%x\n", Csd->Copy));\r | |
119 | DEBUG((DEBUG_INFO, " Permanent write protection 0x%x\n", Csd->PermWriteProtect));\r | |
120 | DEBUG((DEBUG_INFO, " Temporary write protection 0x%x\n", Csd->TmpWriteProtect));\r | |
121 | DEBUG((DEBUG_INFO, " File format 0x%x\n", Csd->FileFormat));\r | |
122 | DEBUG((DEBUG_INFO, " ECC code 0x%x\n", Csd->Ecc));\r | |
123 | \r | |
124 | return EFI_SUCCESS;\r | |
125 | }\r | |
126 | \r | |
127 | /**\r | |
128 | Decode and print EMMC EXT_CSD Register content.\r | |
129 | \r | |
130 | @param[in] ExtCsd Pointer to the EMMC_EXT_CSD data structure.\r | |
131 | \r | |
132 | @retval EFI_SUCCESS The function completed successfully\r | |
133 | **/\r | |
134 | EFI_STATUS\r | |
135 | DumpExtCsd (\r | |
136 | IN EMMC_EXT_CSD *ExtCsd\r | |
137 | )\r | |
138 | {\r | |
139 | DEBUG((DEBUG_INFO, "==Dump Emmc ExtCsd Register==\n"));\r | |
140 | DEBUG((DEBUG_INFO, " Supported Command Sets 0x%x\n", ExtCsd->CmdSet));\r | |
141 | DEBUG((DEBUG_INFO, " HPI features 0x%x\n", ExtCsd->HpiFeatures));\r | |
142 | DEBUG((DEBUG_INFO, " Background operations support 0x%x\n", ExtCsd->BkOpsSupport));\r | |
143 | DEBUG((DEBUG_INFO, " Background operations status 0x%x\n", ExtCsd->BkopsStatus));\r | |
144 | DEBUG((DEBUG_INFO, " Number of correctly programmed sectors 0x%x\n", *((UINT32*)&ExtCsd->CorrectlyPrgSectorsNum[0])));\r | |
145 | DEBUG((DEBUG_INFO, " Initialization time after partitioning 0x%x\n", ExtCsd->IniTimeoutAp));\r | |
146 | DEBUG((DEBUG_INFO, " TRIM Multiplier 0x%x\n", ExtCsd->TrimMult));\r | |
147 | DEBUG((DEBUG_INFO, " Secure Feature support 0x%x\n", ExtCsd->SecFeatureSupport));\r | |
148 | DEBUG((DEBUG_INFO, " Secure Erase Multiplier 0x%x\n", ExtCsd->SecEraseMult));\r | |
149 | DEBUG((DEBUG_INFO, " Secure TRIM Multiplier 0x%x\n", ExtCsd->SecTrimMult));\r | |
150 | DEBUG((DEBUG_INFO, " Boot information 0x%x\n", ExtCsd->BootInfo));\r | |
151 | DEBUG((DEBUG_INFO, " Boot partition size 0x%x\n", ExtCsd->BootSizeMult));\r | |
152 | DEBUG((DEBUG_INFO, " Access size 0x%x\n", ExtCsd->AccSize));\r | |
153 | DEBUG((DEBUG_INFO, " High-capacity erase unit size 0x%x\n", ExtCsd->HcEraseGrpSize));\r | |
154 | DEBUG((DEBUG_INFO, " High-capacity erase timeout 0x%x\n", ExtCsd->EraseTimeoutMult));\r | |
155 | DEBUG((DEBUG_INFO, " Reliable write sector count 0x%x\n", ExtCsd->RelWrSecC));\r | |
156 | DEBUG((DEBUG_INFO, " High-capacity write protect group size 0x%x\n", ExtCsd->HcWpGrpSize));\r | |
157 | DEBUG((DEBUG_INFO, " Sleep/awake timeout 0x%x\n", ExtCsd->SATimeout));\r | |
158 | DEBUG((DEBUG_INFO, " Sector Count 0x%x\n", *((UINT32*)&ExtCsd->SecCount[0])));\r | |
159 | DEBUG((DEBUG_INFO, " Partition switching timing 0x%x\n", ExtCsd->PartitionSwitchTime));\r | |
160 | DEBUG((DEBUG_INFO, " Out-of-interrupt busy timing 0x%x\n", ExtCsd->OutOfInterruptTime));\r | |
161 | DEBUG((DEBUG_INFO, " I/O Driver Strength 0x%x\n", ExtCsd->DriverStrength));\r | |
162 | DEBUG((DEBUG_INFO, " Device type 0x%x\n", ExtCsd->DeviceType));\r | |
163 | DEBUG((DEBUG_INFO, " CSD STRUCTURE 0x%x\n", ExtCsd->CsdStructure));\r | |
164 | DEBUG((DEBUG_INFO, " Extended CSD revision 0x%x\n", ExtCsd->ExtCsdRev));\r | |
165 | DEBUG((DEBUG_INFO, " Command set 0x%x\n", ExtCsd->CmdSet));\r | |
166 | DEBUG((DEBUG_INFO, " Command set revision 0x%x\n", ExtCsd->CmdSetRev));\r | |
167 | DEBUG((DEBUG_INFO, " Power class 0x%x\n", ExtCsd->PowerClass));\r | |
168 | DEBUG((DEBUG_INFO, " High-speed interface timing 0x%x\n", ExtCsd->HsTiming));\r | |
169 | DEBUG((DEBUG_INFO, " Bus width mode 0x%x\n", ExtCsd->BusWidth));\r | |
170 | DEBUG((DEBUG_INFO, " Erased memory content 0x%x\n", ExtCsd->ErasedMemCont));\r | |
171 | DEBUG((DEBUG_INFO, " Partition configuration 0x%x\n", ExtCsd->PartitionConfig));\r | |
172 | DEBUG((DEBUG_INFO, " Boot config protection 0x%x\n", ExtCsd->BootConfigProt));\r | |
173 | DEBUG((DEBUG_INFO, " Boot bus Conditions 0x%x\n", ExtCsd->BootBusConditions));\r | |
174 | DEBUG((DEBUG_INFO, " High-density erase group definition 0x%x\n", ExtCsd->EraseGroupDef));\r | |
175 | DEBUG((DEBUG_INFO, " Boot write protection status register 0x%x\n", ExtCsd->BootWpStatus));\r | |
176 | DEBUG((DEBUG_INFO, " Boot area write protection register 0x%x\n", ExtCsd->BootWp));\r | |
177 | DEBUG((DEBUG_INFO, " User area write protection register 0x%x\n", ExtCsd->UserWp));\r | |
178 | DEBUG((DEBUG_INFO, " FW configuration 0x%x\n", ExtCsd->FwConfig));\r | |
179 | DEBUG((DEBUG_INFO, " RPMB Size 0x%x\n", ExtCsd->RpmbSizeMult));\r | |
180 | DEBUG((DEBUG_INFO, " H/W reset function 0x%x\n", ExtCsd->RstFunction));\r | |
181 | DEBUG((DEBUG_INFO, " Partitioning Support 0x%x\n", ExtCsd->PartitioningSupport));\r | |
182 | DEBUG((DEBUG_INFO, " Max Enhanced Area Size 0x%02x%02x%02x\n", \\r | |
183 | ExtCsd->MaxEnhSizeMult[2], ExtCsd->MaxEnhSizeMult[1], ExtCsd->MaxEnhSizeMult[0]));\r | |
184 | DEBUG((DEBUG_INFO, " Partitions attribute 0x%x\n", ExtCsd->PartitionsAttribute));\r | |
185 | DEBUG((DEBUG_INFO, " Partitioning Setting 0x%x\n", ExtCsd->PartitionSettingCompleted));\r | |
186 | DEBUG((DEBUG_INFO, " General Purpose Partition 1 Size 0x%02x%02x%02x\n", \\r | |
187 | ExtCsd->GpSizeMult[2], ExtCsd->GpSizeMult[1], ExtCsd->GpSizeMult[0]));\r | |
188 | DEBUG((DEBUG_INFO, " General Purpose Partition 2 Size 0x%02x%02x%02x\n", \\r | |
189 | ExtCsd->GpSizeMult[5], ExtCsd->GpSizeMult[4], ExtCsd->GpSizeMult[3]));\r | |
190 | DEBUG((DEBUG_INFO, " General Purpose Partition 3 Size 0x%02x%02x%02x\n", \\r | |
191 | ExtCsd->GpSizeMult[8], ExtCsd->GpSizeMult[7], ExtCsd->GpSizeMult[6]));\r | |
192 | DEBUG((DEBUG_INFO, " General Purpose Partition 4 Size 0x%02x%02x%02x\n", \\r | |
193 | ExtCsd->GpSizeMult[11], ExtCsd->GpSizeMult[10], ExtCsd->GpSizeMult[9]));\r | |
194 | DEBUG((DEBUG_INFO, " Enhanced User Data Area Size 0x%02x%02x%02x\n", \\r | |
195 | ExtCsd->EnhSizeMult[2], ExtCsd->EnhSizeMult[1], ExtCsd->EnhSizeMult[0]));\r | |
196 | DEBUG((DEBUG_INFO, " Enhanced User Data Start Address 0x%x\n", *((UINT32*)&ExtCsd->EnhStartAddr[0])));\r | |
197 | DEBUG((DEBUG_INFO, " Bad Block Management mode 0x%x\n", ExtCsd->SecBadBlkMgmnt));\r | |
198 | DEBUG((DEBUG_INFO, " Native sector size 0x%x\n", ExtCsd->NativeSectorSize));\r | |
199 | DEBUG((DEBUG_INFO, " Sector size emulation 0x%x\n", ExtCsd->UseNativeSector));\r | |
200 | DEBUG((DEBUG_INFO, " Sector size 0x%x\n", ExtCsd->DataSectorSize));\r | |
201 | \r | |
202 | return EFI_SUCCESS;\r | |
203 | }\r | |
204 | \r | |
205 | /**\r | |
206 | Get EMMC device model name.\r | |
207 | \r | |
208 | @param[in, out] Device The pointer to the EMMC_DEVICE data structure.\r | |
209 | @param[in] Cid Pointer to EMMC_CID data structure.\r | |
210 | \r | |
211 | @retval EFI_SUCCESS The function completed successfully\r | |
212 | \r | |
213 | **/\r | |
214 | EFI_STATUS\r | |
215 | GetEmmcModelName (\r | |
216 | IN OUT EMMC_DEVICE *Device,\r | |
217 | IN EMMC_CID *Cid\r | |
218 | )\r | |
219 | {\r | |
220 | CHAR8 String[EMMC_MODEL_NAME_MAX_LEN];\r | |
221 | \r | |
222 | ZeroMem (String, sizeof (String));\r | |
223 | CopyMem (String, &Cid->OemId, sizeof (Cid->OemId));\r | |
224 | String[sizeof (Cid->OemId)] = ' ';\r | |
225 | CopyMem (String + sizeof (Cid->OemId) + 1, Cid->ProductName, sizeof (Cid->ProductName));\r | |
226 | String[sizeof (Cid->OemId) + sizeof (Cid->ProductName)] = ' ';\r | |
227 | CopyMem (String + sizeof (Cid->OemId) + sizeof (Cid->ProductName) + 1, Cid->ProductSerialNumber, sizeof (Cid->ProductSerialNumber));\r | |
228 | \r | |
229 | AsciiStrToUnicodeStr (String, Device->ModelName);\r | |
230 | \r | |
231 | return EFI_SUCCESS;\r | |
232 | }\r | |
233 | \r | |
234 | /**\r | |
235 | Discover all partitions in the EMMC device.\r | |
236 | \r | |
237 | @param[in] Device The pointer to the EMMC_DEVICE data structure.\r | |
238 | \r | |
239 | @retval EFI_SUCCESS All the partitions in the device are successfully enumerated.\r | |
240 | @return Others Some error occurs when enumerating the partitions.\r | |
241 | \r | |
242 | **/\r | |
243 | EFI_STATUS\r | |
244 | DiscoverAllPartitions (\r | |
245 | IN EMMC_DEVICE *Device\r | |
246 | )\r | |
247 | {\r | |
248 | EFI_STATUS Status;\r | |
249 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
250 | EMMC_PARTITION *Partition;\r | |
251 | EMMC_CSD *Csd;\r | |
252 | EMMC_CID *Cid;\r | |
253 | EMMC_EXT_CSD *ExtCsd;\r | |
254 | UINT8 Slot;\r | |
255 | UINT64 Capacity;\r | |
256 | UINT32 DevStatus;\r | |
257 | UINT8 Index;\r | |
258 | UINT32 SecCount;\r | |
259 | UINT32 GpSizeMult;\r | |
260 | \r | |
261 | PassThru = Device->Private->PassThru;\r | |
262 | Slot = Device->Slot;\r | |
263 | \r | |
264 | Status = EmmcSendStatus (Device, Slot + 1, &DevStatus);\r | |
265 | if (EFI_ERROR (Status)) {\r | |
266 | return Status;\r | |
267 | }\r | |
268 | //\r | |
269 | // Deselect the device to force it enter stby mode before getting CSD\r | |
270 | // register content.\r | |
271 | // Note here we don't judge return status as some EMMC devices return\r | |
272 | // error but the state has been stby.\r | |
273 | //\r | |
274 | EmmcSelect (Device, 0);\r | |
275 | \r | |
276 | Status = EmmcSendStatus (Device, Slot + 1, &DevStatus);\r | |
277 | if (EFI_ERROR (Status)) {\r | |
278 | return Status;\r | |
279 | }\r | |
280 | \r | |
281 | Csd = &Device->Csd;\r | |
282 | Status = EmmcGetCsd (Device, Slot + 1, Csd);\r | |
283 | if (EFI_ERROR (Status)) {\r | |
284 | return Status;\r | |
285 | }\r | |
286 | DumpCsd (Csd);\r | |
287 | \r | |
288 | if ((Csd->CSizeLow | Csd->CSizeHigh << 2) == 0xFFF) {\r | |
289 | Device->SectorAddressing = TRUE;\r | |
290 | } else {\r | |
291 | Device->SectorAddressing = FALSE;\r | |
292 | }\r | |
293 | \r | |
294 | Cid = &Device->Cid;\r | |
295 | Status = EmmcGetCid (Device, Slot + 1, Cid);\r | |
296 | if (EFI_ERROR (Status)) {\r | |
297 | return Status;\r | |
298 | }\r | |
299 | \r | |
300 | Status = EmmcSelect (Device, Slot + 1);\r | |
301 | if (EFI_ERROR (Status)) {\r | |
302 | return Status;\r | |
303 | }\r | |
304 | \r | |
305 | ExtCsd = &Device->ExtCsd;\r | |
306 | Status = EmmcGetExtCsd (Device, ExtCsd);\r | |
307 | if (EFI_ERROR (Status)) {\r | |
308 | return Status;\r | |
309 | }\r | |
310 | DumpExtCsd (ExtCsd);\r | |
311 | \r | |
312 | if (ExtCsd->ExtCsdRev < 5) {\r | |
313 | DEBUG ((EFI_D_ERROR, "The EMMC device version is too low, we don't support!!!\n"));\r | |
314 | return EFI_UNSUPPORTED;\r | |
315 | }\r | |
316 | \r | |
317 | if ((ExtCsd->PartitioningSupport & BIT0) != BIT0) {\r | |
318 | DEBUG ((EFI_D_ERROR, "The EMMC device doesn't support Partition Feature!!!\n"));\r | |
319 | return EFI_UNSUPPORTED;\r | |
320 | }\r | |
321 | \r | |
322 | for (Index = 0; Index < EMMC_MAX_PARTITIONS; Index++) {\r | |
323 | Partition = &Device->Partition[Index];\r | |
324 | CopyMem (Partition, &mEmmcPartitionTemplate, sizeof (EMMC_PARTITION));\r | |
325 | Partition->Device = Device;\r | |
326 | InitializeListHead (&Partition->Queue);\r | |
327 | Partition->BlockIo.Media = &Partition->BlockMedia;\r | |
328 | Partition->BlockIo2.Media = &Partition->BlockMedia;\r | |
329 | Partition->PartitionType = Index;\r | |
330 | Partition->BlockMedia.IoAlign = Device->Private->PassThru->IoAlign;\r | |
331 | Partition->BlockMedia.BlockSize = 0x200;\r | |
332 | Partition->BlockMedia.LastBlock = 0x00;\r | |
333 | Partition->BlockMedia.RemovableMedia = FALSE;\r | |
334 | Partition->BlockMedia.MediaPresent = TRUE;\r | |
335 | Partition->BlockMedia.LogicalPartition = FALSE;\r | |
336 | \r | |
337 | switch (Index) {\r | |
338 | case EmmcPartitionUserData:\r | |
339 | SecCount = *(UINT32*)&ExtCsd->SecCount;\r | |
340 | Capacity = MultU64x32 ((UINT64) SecCount, 0x200);\r | |
341 | break;\r | |
342 | case EmmcPartitionBoot1:\r | |
343 | case EmmcPartitionBoot2:\r | |
344 | Capacity = ExtCsd->BootSizeMult * SIZE_128KB;\r | |
345 | break;\r | |
346 | case EmmcPartitionRPMB:\r | |
347 | Capacity = ExtCsd->RpmbSizeMult * SIZE_128KB;\r | |
348 | break;\r | |
349 | case EmmcPartitionGP1:\r | |
350 | GpSizeMult = (UINT32)(ExtCsd->GpSizeMult[0] | (ExtCsd->GpSizeMult[1] << 8) | (ExtCsd->GpSizeMult[2] << 16));\r | |
351 | Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB);\r | |
352 | break;\r | |
353 | case EmmcPartitionGP2:\r | |
354 | GpSizeMult = (UINT32)(ExtCsd->GpSizeMult[3] | (ExtCsd->GpSizeMult[4] << 8) | (ExtCsd->GpSizeMult[5] << 16));\r | |
355 | Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB);\r | |
356 | break;\r | |
357 | case EmmcPartitionGP3:\r | |
358 | GpSizeMult = (UINT32)(ExtCsd->GpSizeMult[6] | (ExtCsd->GpSizeMult[7] << 8) | (ExtCsd->GpSizeMult[8] << 16));\r | |
359 | Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB);\r | |
360 | break;\r | |
361 | case EmmcPartitionGP4:\r | |
362 | GpSizeMult = (UINT32)(ExtCsd->GpSizeMult[9] | (ExtCsd->GpSizeMult[10] << 8) | (ExtCsd->GpSizeMult[11] << 16));\r | |
363 | Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB);\r | |
364 | break;\r | |
365 | default:\r | |
366 | ASSERT (FALSE);\r | |
367 | return EFI_INVALID_PARAMETER;\r | |
368 | }\r | |
369 | \r | |
370 | if (Capacity != 0) {\r | |
371 | Partition->Enable = TRUE;\r | |
372 | Partition->BlockMedia.LastBlock = DivU64x32 (Capacity, Partition->BlockMedia.BlockSize) - 1;\r | |
373 | }\r | |
374 | }\r | |
375 | \r | |
376 | return EFI_SUCCESS;\r | |
377 | }\r | |
378 | \r | |
379 | /**\r | |
380 | Install BlkIo, BlkIo2 and Ssp protocols for the specified partition in the EMMC device.\r | |
381 | \r | |
382 | @param[in] Device The pointer to the EMMC_DEVICE data structure.\r | |
383 | @param[in] Index The index of the partition.\r | |
384 | \r | |
385 | @retval EFI_SUCCESS The protocols are installed successfully.\r | |
386 | @retval Others Some error occurs when installing the protocols.\r | |
387 | \r | |
388 | **/\r | |
389 | EFI_STATUS\r | |
390 | InstallProtocolOnPartition (\r | |
391 | IN EMMC_DEVICE *Device,\r | |
392 | IN UINT8 Index\r | |
393 | )\r | |
394 | {\r | |
395 | EFI_STATUS Status;\r | |
396 | EMMC_PARTITION *Partition;\r | |
397 | CONTROLLER_DEVICE_PATH ControlNode;\r | |
398 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
399 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
400 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
401 | EFI_HANDLE DeviceHandle;\r | |
402 | \r | |
403 | //\r | |
404 | // Build device path\r | |
405 | //\r | |
406 | ParentDevicePath = Device->DevicePath;\r | |
407 | \r | |
408 | ControlNode.Header.Type = HARDWARE_DEVICE_PATH;\r | |
409 | ControlNode.Header.SubType = HW_CONTROLLER_DP;\r | |
410 | SetDevicePathNodeLength (&ControlNode.Header, sizeof (CONTROLLER_DEVICE_PATH));\r | |
411 | ControlNode.ControllerNumber = Index;\r | |
412 | \r | |
413 | DevicePath = AppendDevicePathNode (ParentDevicePath, (EFI_DEVICE_PATH_PROTOCOL*)&ControlNode);\r | |
414 | if (DevicePath == NULL) {\r | |
415 | Status = EFI_OUT_OF_RESOURCES;\r | |
416 | goto Error;\r | |
417 | }\r | |
418 | \r | |
419 | DeviceHandle = NULL;\r | |
420 | RemainingDevicePath = DevicePath;\r | |
421 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r | |
422 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd(RemainingDevicePath)) {\r | |
423 | Status = EFI_ALREADY_STARTED;\r | |
424 | goto Error;\r | |
425 | }\r | |
426 | \r | |
427 | Partition = &Device->Partition[Index];\r | |
428 | Partition->DevicePath = DevicePath;\r | |
429 | if (Partition->Enable) {\r | |
430 | //\r | |
431 | // Install BlkIo/BlkIo2/Ssp for the specified partition\r | |
432 | //\r | |
433 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
434 | &Partition->Handle,\r | |
435 | &gEfiDevicePathProtocolGuid,\r | |
436 | Partition->DevicePath,\r | |
437 | &gEfiBlockIoProtocolGuid,\r | |
438 | &Partition->BlockIo,\r | |
439 | &gEfiBlockIo2ProtocolGuid,\r | |
440 | &Partition->BlockIo2,\r | |
441 | NULL\r | |
442 | );\r | |
443 | if (EFI_ERROR (Status)) {\r | |
444 | goto Error;\r | |
445 | }\r | |
446 | \r | |
447 | if (((Partition->PartitionType == EmmcPartitionUserData) ||\r | |
448 | (Partition->PartitionType == EmmcPartitionBoot1) ||\r | |
449 | (Partition->PartitionType == EmmcPartitionBoot2)) &&\r | |
450 | ((Device->Csd.Ccc & BIT10) != 0)) {\r | |
451 | Status = gBS->InstallProtocolInterface (\r | |
452 | &Partition->Handle,\r | |
453 | &gEfiStorageSecurityCommandProtocolGuid,\r | |
454 | EFI_NATIVE_INTERFACE,\r | |
455 | &Partition->StorageSecurity\r | |
456 | );\r | |
457 | if (EFI_ERROR (Status)) {\r | |
458 | gBS->UninstallMultipleProtocolInterfaces (\r | |
459 | &Partition->Handle,\r | |
460 | &gEfiDevicePathProtocolGuid,\r | |
461 | Partition->DevicePath,\r | |
462 | &gEfiBlockIoProtocolGuid,\r | |
463 | &Partition->BlockIo,\r | |
464 | &gEfiBlockIo2ProtocolGuid,\r | |
465 | &Partition->BlockIo2,\r | |
466 | NULL\r | |
467 | );\r | |
468 | goto Error;\r | |
469 | }\r | |
470 | }\r | |
471 | \r | |
472 | gBS->OpenProtocol (\r | |
473 | Device->Private->Controller,\r | |
474 | &gEfiSdMmcPassThruProtocolGuid,\r | |
475 | (VOID **) &(Device->Private->PassThru),\r | |
476 | Device->Private->DriverBindingHandle,\r | |
477 | Partition->Handle,\r | |
478 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
479 | );\r | |
480 | } else {\r | |
481 | Status = EFI_INVALID_PARAMETER;\r | |
482 | }\r | |
483 | \r | |
484 | Error:\r | |
485 | if (EFI_ERROR (Status) && (DevicePath != NULL)) {\r | |
486 | FreePool (DevicePath);\r | |
487 | }\r | |
488 | \r | |
489 | return Status;\r | |
490 | }\r | |
491 | \r | |
492 | /**\r | |
493 | Scan EMMC Bus to discover the device.\r | |
494 | \r | |
495 | @param[in] Private The EMMC driver private data structure.\r | |
496 | @param[in] Slot The slot number to check device present.\r | |
497 | \r | |
498 | @retval EFI_SUCCESS Successfully to discover the device and attach\r | |
499 | SdMmcIoProtocol to it.\r | |
500 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack\r | |
501 | of resources.\r | |
502 | @retval EFI_ALREADY_STARTED The device was discovered before.\r | |
503 | @retval Others Fail to discover the device.\r | |
504 | \r | |
505 | **/\r | |
506 | EFI_STATUS\r | |
507 | EFIAPI\r | |
508 | DiscoverEmmcDevice (\r | |
509 | IN EMMC_DRIVER_PRIVATE_DATA *Private,\r | |
510 | IN UINT8 Slot,\r | |
511 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
512 | )\r | |
513 | {\r | |
514 | EFI_STATUS Status;\r | |
515 | EMMC_DEVICE *Device;\r | |
516 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
517 | EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;\r | |
518 | EFI_DEVICE_PATH_PROTOCOL *RemainingEmmcDevPath;\r | |
519 | EFI_DEV_PATH *Node;\r | |
520 | EFI_HANDLE DeviceHandle;\r | |
521 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
522 | UINT8 Index;\r | |
523 | \r | |
524 | Device = NULL;\r | |
525 | DevicePath = NULL;\r | |
526 | NewDevicePath = NULL;\r | |
527 | RemainingDevicePath = NULL;\r | |
528 | PassThru = Private->PassThru;\r | |
529 | Device = &Private->Device[Slot];\r | |
530 | \r | |
531 | //\r | |
532 | // Build Device Path to check if the EMMC device present at the slot.\r | |
533 | //\r | |
534 | Status = PassThru->BuildDevicePath (\r | |
535 | PassThru,\r | |
536 | Slot,\r | |
537 | &DevicePath\r | |
538 | );\r | |
539 | if (EFI_ERROR(Status)) {\r | |
540 | return Status;\r | |
541 | }\r | |
542 | \r | |
543 | if (DevicePath->SubType != MSG_EMMC_DP) {\r | |
544 | Status = EFI_UNSUPPORTED;\r | |
545 | goto Error;\r | |
546 | }\r | |
547 | \r | |
548 | NewDevicePath = AppendDevicePathNode (\r | |
549 | Private->ParentDevicePath,\r | |
550 | DevicePath\r | |
551 | );\r | |
552 | if (NewDevicePath == NULL) {\r | |
553 | Status = EFI_OUT_OF_RESOURCES;\r | |
554 | goto Error;\r | |
555 | }\r | |
556 | \r | |
557 | DeviceHandle = NULL;\r | |
558 | RemainingEmmcDevPath = NewDevicePath;\r | |
559 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingEmmcDevPath, &DeviceHandle);\r | |
560 | //\r | |
561 | // The device path to the EMMC device doesn't exist. It means the corresponding device private data hasn't been initialized.\r | |
562 | //\r | |
563 | if (EFI_ERROR (Status) || (DeviceHandle == NULL) || !IsDevicePathEnd (RemainingEmmcDevPath)) {\r | |
564 | Device->DevicePath = NewDevicePath;\r | |
565 | Device->Slot = Slot;\r | |
566 | Device->Private = Private;\r | |
567 | //\r | |
568 | // Expose user area in the Sd memory card to upper layer.\r | |
569 | //\r | |
570 | Status = DiscoverAllPartitions (Device);\r | |
571 | if (EFI_ERROR(Status)) {\r | |
572 | FreePool (NewDevicePath);\r | |
573 | goto Error;\r | |
574 | }\r | |
575 | \r | |
576 | Status = gBS->InstallProtocolInterface (\r | |
577 | &Device->Handle,\r | |
578 | &gEfiDevicePathProtocolGuid,\r | |
579 | EFI_NATIVE_INTERFACE,\r | |
580 | Device->DevicePath\r | |
581 | );\r | |
582 | if (EFI_ERROR(Status)) {\r | |
583 | FreePool (NewDevicePath);\r | |
584 | goto Error;\r | |
585 | }\r | |
586 | \r | |
587 | Device->ControllerNameTable = NULL;\r | |
588 | GetEmmcModelName (Device, &Device->Cid);\r | |
589 | AddUnicodeString2 (\r | |
590 | "eng",\r | |
591 | gEmmcDxeComponentName.SupportedLanguages,\r | |
592 | &Device->ControllerNameTable,\r | |
593 | Device->ModelName,\r | |
594 | TRUE\r | |
595 | );\r | |
596 | AddUnicodeString2 (\r | |
597 | "en",\r | |
598 | gEmmcDxeComponentName.SupportedLanguages,\r | |
599 | &Device->ControllerNameTable,\r | |
600 | Device->ModelName,\r | |
601 | FALSE\r | |
602 | );\r | |
603 | }\r | |
604 | \r | |
605 | if (RemainingDevicePath == NULL) {\r | |
606 | //\r | |
607 | // Expose all partitions in the Emmc device to upper layer.\r | |
608 | //\r | |
609 | for (Index = 0; Index < EMMC_MAX_PARTITIONS; Index++) {\r | |
610 | InstallProtocolOnPartition (Device, Index);\r | |
611 | }\r | |
612 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
613 | //\r | |
614 | // Enumerate the specified partition\r | |
615 | //\r | |
616 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
617 | if ((DevicePathType (&Node->DevPath) != HARDWARE_DEVICE_PATH) ||\r | |
618 | (DevicePathSubType (&Node->DevPath) != HW_CONTROLLER_DP) ||\r | |
619 | (DevicePathNodeLength (&Node->DevPath) != sizeof (CONTROLLER_DEVICE_PATH))) {\r | |
620 | Status = EFI_INVALID_PARAMETER;\r | |
621 | goto Error;\r | |
622 | }\r | |
623 | \r | |
624 | Index = (UINT8)Node->Controller.ControllerNumber;\r | |
625 | if (Index >= EMMC_MAX_PARTITIONS) {\r | |
626 | Status = EFI_INVALID_PARAMETER;\r | |
627 | goto Error;\r | |
628 | }\r | |
629 | \r | |
630 | Status = InstallProtocolOnPartition (Device, Index);\r | |
631 | }\r | |
632 | \r | |
633 | Error:\r | |
634 | FreePool (DevicePath);\r | |
635 | \r | |
636 | return Status;\r | |
637 | }\r | |
638 | \r | |
639 | /**\r | |
640 | Tests to see if this driver supports a given controller. If a child device is provided,\r | |
641 | it further tests to see if this driver supports creating a handle for the specified child device.\r | |
642 | \r | |
643 | This function checks to see if the driver specified by This supports the device specified by\r | |
644 | ControllerHandle. Drivers will typically use the device path attached to\r | |
645 | ControllerHandle and/or the services from the bus I/O abstraction attached to\r | |
646 | ControllerHandle to determine if the driver supports ControllerHandle. This function\r | |
647 | may be called many times during platform initialization. In order to reduce boot times, the tests\r | |
648 | performed by this function must be very small, and take as little time as possible to execute. This\r | |
649 | function must not change the state of any hardware devices, and this function must be aware that the\r | |
650 | device specified by ControllerHandle may already be managed by the same driver or a\r | |
651 | different driver. This function must match its calls to AllocatePages() with FreePages(),\r | |
652 | AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().\r | |
653 | Since ControllerHandle may have been previously started by the same driver, if a protocol is\r | |
654 | already in the opened state, then it must not be closed with CloseProtocol(). This is required\r | |
655 | to guarantee the state of ControllerHandle is not modified by this function.\r | |
656 | \r | |
657 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
658 | @param[in] ControllerHandle The handle of the controller to test. This handle\r | |
659 | must support a protocol interface that supplies\r | |
660 | an I/O abstraction to the driver.\r | |
661 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
662 | parameter is ignored by device drivers, and is optional for bus\r | |
663 | drivers. For bus drivers, if this parameter is not NULL, then\r | |
664 | the bus driver must determine if the bus controller specified\r | |
665 | by ControllerHandle and the child controller specified\r | |
666 | by RemainingDevicePath are both supported by this\r | |
667 | bus driver.\r | |
668 | \r | |
669 | @retval EFI_SUCCESS The device specified by ControllerHandle and\r | |
670 | RemainingDevicePath is supported by the driver specified by This.\r | |
671 | @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r | |
672 | RemainingDevicePath is already being managed by the driver\r | |
673 | specified by This.\r | |
674 | @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r | |
675 | RemainingDevicePath is already being managed by a different\r | |
676 | driver or an application that requires exclusive access.\r | |
677 | Currently not implemented.\r | |
678 | @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r | |
679 | RemainingDevicePath is not supported by the driver specified by This.\r | |
680 | **/\r | |
681 | EFI_STATUS\r | |
682 | EFIAPI\r | |
683 | EmmcDxeDriverBindingSupported (\r | |
684 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
685 | IN EFI_HANDLE Controller,\r | |
686 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
687 | )\r | |
688 | {\r | |
689 | EFI_STATUS Status;\r | |
690 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
691 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
692 | UINT8 Slot;\r | |
693 | \r | |
694 | //\r | |
695 | // Test EFI_SD_MMC_PASS_THRU_PROTOCOL on the controller handle.\r | |
696 | //\r | |
697 | Status = gBS->OpenProtocol (\r | |
698 | Controller,\r | |
699 | &gEfiSdMmcPassThruProtocolGuid,\r | |
700 | (VOID**) &PassThru,\r | |
701 | This->DriverBindingHandle,\r | |
702 | Controller,\r | |
703 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
704 | );\r | |
705 | \r | |
706 | if (Status == EFI_ALREADY_STARTED) {\r | |
707 | return EFI_SUCCESS;\r | |
708 | }\r | |
709 | \r | |
710 | if (EFI_ERROR (Status)) {\r | |
711 | return Status;\r | |
712 | }\r | |
713 | \r | |
714 | //\r | |
715 | // Test RemainingDevicePath is valid or not.\r | |
716 | //\r | |
717 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r | |
718 | Status = PassThru->GetSlotNumber (PassThru, RemainingDevicePath, &Slot);\r | |
719 | if (EFI_ERROR (Status)) {\r | |
720 | //\r | |
721 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
722 | //\r | |
723 | gBS->CloseProtocol (\r | |
724 | Controller,\r | |
725 | &gEfiSdMmcPassThruProtocolGuid,\r | |
726 | This->DriverBindingHandle,\r | |
727 | Controller\r | |
728 | );\r | |
729 | return Status;\r | |
730 | }\r | |
731 | }\r | |
732 | \r | |
733 | //\r | |
734 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
735 | //\r | |
736 | gBS->CloseProtocol (\r | |
737 | Controller,\r | |
738 | &gEfiSdMmcPassThruProtocolGuid,\r | |
739 | This->DriverBindingHandle,\r | |
740 | Controller\r | |
741 | );\r | |
742 | \r | |
743 | //\r | |
744 | // Open the EFI Device Path protocol needed to perform the supported test\r | |
745 | //\r | |
746 | Status = gBS->OpenProtocol (\r | |
747 | Controller,\r | |
748 | &gEfiDevicePathProtocolGuid,\r | |
749 | (VOID **) &ParentDevicePath,\r | |
750 | This->DriverBindingHandle,\r | |
751 | Controller,\r | |
752 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
753 | );\r | |
754 | return Status;\r | |
755 | }\r | |
756 | \r | |
757 | /**\r | |
758 | Starts a device controller or a bus controller.\r | |
759 | \r | |
760 | The Start() function is designed to be invoked from the EFI boot service ConnectController().\r | |
761 | As a result, much of the error checking on the parameters to Start() has been moved into this\r | |
762 | common boot service. It is legal to call Start() from other locations,\r | |
763 | but the following calling restrictions must be followed or the system behavior will not be deterministic.\r | |
764 | 1. ControllerHandle must be a valid EFI_HANDLE.\r | |
765 | 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned\r | |
766 | EFI_DEVICE_PATH_PROTOCOL.\r | |
767 | 3. Prior to calling Start(), the Supported() function for the driver specified by This must\r | |
768 | have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.\r | |
769 | \r | |
770 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
771 | @param[in] ControllerHandle The handle of the controller to start. This handle\r | |
772 | must support a protocol interface that supplies\r | |
773 | an I/O abstraction to the driver.\r | |
774 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
775 | parameter is ignored by device drivers, and is optional for bus\r | |
776 | drivers. For a bus driver, if this parameter is NULL, then handles\r | |
777 | for all the children of Controller are created by this driver.\r | |
778 | If this parameter is not NULL and the first Device Path Node is\r | |
779 | not the End of Device Path Node, then only the handle for the\r | |
780 | child device specified by the first Device Path Node of\r | |
781 | RemainingDevicePath is created by this driver.\r | |
782 | If the first Device Path Node of RemainingDevicePath is\r | |
783 | the End of Device Path Node, no child handle is created by this\r | |
784 | driver.\r | |
785 | \r | |
786 | @retval EFI_SUCCESS The device was started.\r | |
787 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.\r | |
788 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
789 | @retval Others The driver failded to start the device.\r | |
790 | \r | |
791 | **/\r | |
792 | EFI_STATUS\r | |
793 | EFIAPI\r | |
794 | EmmcDxeDriverBindingStart (\r | |
795 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
796 | IN EFI_HANDLE Controller,\r | |
797 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
798 | )\r | |
799 | {\r | |
800 | EFI_STATUS Status;\r | |
801 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
802 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
803 | EMMC_DRIVER_PRIVATE_DATA *Private;\r | |
804 | UINT8 Slot;\r | |
805 | \r | |
806 | Private = NULL;\r | |
807 | PassThru = NULL;\r | |
808 | Status = gBS->OpenProtocol (\r | |
809 | Controller,\r | |
810 | &gEfiSdMmcPassThruProtocolGuid,\r | |
811 | (VOID **) &PassThru,\r | |
812 | This->DriverBindingHandle,\r | |
813 | Controller,\r | |
814 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
815 | );\r | |
816 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
817 | return Status;\r | |
818 | }\r | |
819 | \r | |
820 | //\r | |
821 | // Check EFI_ALREADY_STARTED to reuse the original EMMC_DRIVER_PRIVATE_DATA.\r | |
822 | //\r | |
823 | if (Status != EFI_ALREADY_STARTED) {\r | |
824 | Private = AllocateZeroPool (sizeof (EMMC_DRIVER_PRIVATE_DATA));\r | |
825 | if (Private == NULL) {\r | |
826 | Status = EFI_OUT_OF_RESOURCES;\r | |
827 | goto Error;\r | |
828 | }\r | |
829 | \r | |
830 | Status = gBS->OpenProtocol (\r | |
831 | Controller,\r | |
832 | &gEfiDevicePathProtocolGuid,\r | |
833 | (VOID **) &ParentDevicePath,\r | |
834 | This->DriverBindingHandle,\r | |
835 | Controller,\r | |
836 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
837 | );\r | |
838 | ASSERT_EFI_ERROR (Status);\r | |
839 | Private->PassThru = PassThru;\r | |
840 | Private->Controller = Controller;\r | |
841 | Private->ParentDevicePath = ParentDevicePath;\r | |
842 | Private->DriverBindingHandle = This->DriverBindingHandle;\r | |
843 | \r | |
844 | Status = gBS->InstallProtocolInterface (\r | |
845 | &Controller,\r | |
846 | &gEfiCallerIdGuid,\r | |
847 | EFI_NATIVE_INTERFACE,\r | |
848 | Private\r | |
849 | );\r | |
850 | if (EFI_ERROR (Status)) {\r | |
851 | goto Error;\r | |
852 | }\r | |
853 | } else {\r | |
854 | Status = gBS->OpenProtocol (\r | |
855 | Controller,\r | |
856 | &gEfiCallerIdGuid,\r | |
857 | (VOID **) &Private,\r | |
858 | This->DriverBindingHandle,\r | |
859 | Controller,\r | |
860 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
861 | );\r | |
862 | if (EFI_ERROR (Status)) {\r | |
863 | goto Error;\r | |
864 | }\r | |
865 | }\r | |
866 | \r | |
867 | if (RemainingDevicePath == NULL) {\r | |
868 | Slot = 0xFF;\r | |
869 | while (TRUE) {\r | |
870 | Status = PassThru->GetNextSlot (PassThru, &Slot);\r | |
871 | if (EFI_ERROR (Status)) {\r | |
872 | //\r | |
873 | // Cannot find more legal slots.\r | |
874 | //\r | |
875 | Status = EFI_SUCCESS;\r | |
876 | break;\r | |
877 | }\r | |
878 | \r | |
879 | Status = DiscoverEmmcDevice (Private, Slot, NULL);\r | |
880 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
881 | break;\r | |
882 | }\r | |
883 | }\r | |
884 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
885 | Status = PassThru->GetSlotNumber (PassThru, RemainingDevicePath, &Slot);\r | |
886 | if (!EFI_ERROR (Status)) {\r | |
887 | Status = DiscoverEmmcDevice (Private, Slot, NextDevicePathNode (RemainingDevicePath));\r | |
888 | }\r | |
889 | }\r | |
890 | \r | |
891 | Error:\r | |
892 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
893 | gBS->CloseProtocol (\r | |
894 | Controller,\r | |
895 | &gEfiSdMmcPassThruProtocolGuid,\r | |
896 | This->DriverBindingHandle,\r | |
897 | Controller\r | |
898 | );\r | |
899 | \r | |
900 | if (Private != NULL) {\r | |
901 | gBS->UninstallMultipleProtocolInterfaces (\r | |
902 | Controller,\r | |
903 | &gEfiCallerIdGuid,\r | |
904 | Private,\r | |
905 | NULL\r | |
906 | );\r | |
907 | FreePool (Private);\r | |
908 | }\r | |
909 | }\r | |
910 | return Status;\r | |
911 | }\r | |
912 | \r | |
913 | /**\r | |
914 | Stops a device controller or a bus controller.\r | |
915 | \r | |
916 | The Stop() function is designed to be invoked from the EFI boot service DisconnectController().\r | |
917 | As a result, much of the error checking on the parameters to Stop() has been moved\r | |
918 | into this common boot service. It is legal to call Stop() from other locations,\r | |
919 | but the following calling restrictions must be followed or the system behavior will not be deterministic.\r | |
920 | 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this\r | |
921 | same driver's Start() function.\r | |
922 | 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid\r | |
923 | EFI_HANDLE. In addition, all of these handles must have been created in this driver's\r | |
924 | Start() function, and the Start() function must have called OpenProtocol() on\r | |
925 | ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
926 | \r | |
927 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
928 | @param[in] ControllerHandle A handle to the device being stopped. The handle must\r | |
929 | support a bus specific I/O protocol for the driver\r | |
930 | to use to stop the device.\r | |
931 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
932 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
933 | if NumberOfChildren is 0.\r | |
934 | \r | |
935 | @retval EFI_SUCCESS The device was stopped.\r | |
936 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
937 | \r | |
938 | **/\r | |
939 | EFI_STATUS\r | |
940 | EFIAPI\r | |
941 | EmmcDxeDriverBindingStop (\r | |
942 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
943 | IN EFI_HANDLE Controller,\r | |
944 | IN UINTN NumberOfChildren,\r | |
945 | IN EFI_HANDLE *ChildHandleBuffer\r | |
946 | )\r | |
947 | {\r | |
948 | EFI_STATUS Status;\r | |
949 | BOOLEAN AllChildrenStopped;\r | |
950 | UINTN Index;\r | |
951 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
952 | EMMC_DRIVER_PRIVATE_DATA *Private;\r | |
953 | EMMC_DEVICE *Device;\r | |
954 | EMMC_PARTITION *Partition;\r | |
955 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
956 | EFI_BLOCK_IO2_PROTOCOL *BlockIo2;\r | |
957 | EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *StorageSecurity;\r | |
958 | LIST_ENTRY *Link;\r | |
959 | LIST_ENTRY *NextLink;\r | |
960 | EMMC_REQUEST *Request;\r | |
961 | \r | |
962 | BlockIo = NULL;\r | |
963 | BlockIo2 = NULL;\r | |
964 | if (NumberOfChildren == 0) {\r | |
965 | Status = gBS->OpenProtocol (\r | |
966 | Controller,\r | |
967 | &gEfiCallerIdGuid,\r | |
968 | (VOID **) &Private,\r | |
969 | This->DriverBindingHandle,\r | |
970 | Controller,\r | |
971 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
972 | );\r | |
973 | if (EFI_ERROR (Status)) {\r | |
974 | return EFI_DEVICE_ERROR;\r | |
975 | }\r | |
976 | \r | |
977 | for (Index = 0; Index < EMMC_MAX_DEVICES; Index++) {\r | |
978 | Device = &Private->Device[Index];\r | |
979 | Status = gBS->OpenProtocol (\r | |
980 | Device->Handle,\r | |
981 | &gEfiDevicePathProtocolGuid,\r | |
982 | (VOID **) &DevicePath,\r | |
983 | This->DriverBindingHandle,\r | |
984 | Controller,\r | |
985 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
986 | );\r | |
987 | if (EFI_ERROR (Status)) {\r | |
988 | continue;\r | |
989 | }\r | |
990 | ASSERT (DevicePath == Device->DevicePath);\r | |
991 | gBS->UninstallProtocolInterface (\r | |
992 | Device->Handle,\r | |
993 | &gEfiDevicePathProtocolGuid,\r | |
994 | DevicePath\r | |
995 | );\r | |
996 | FreePool (Device->DevicePath);\r | |
997 | }\r | |
998 | \r | |
999 | gBS->UninstallProtocolInterface (\r | |
1000 | Controller,\r | |
1001 | &gEfiCallerIdGuid,\r | |
1002 | Private\r | |
1003 | );\r | |
1004 | gBS->CloseProtocol (\r | |
1005 | Controller,\r | |
1006 | &gEfiSdMmcPassThruProtocolGuid,\r | |
1007 | This->DriverBindingHandle,\r | |
1008 | Controller\r | |
1009 | );\r | |
1010 | FreePool (Private);\r | |
1011 | \r | |
1012 | return EFI_SUCCESS;\r | |
1013 | }\r | |
1014 | \r | |
1015 | AllChildrenStopped = TRUE;\r | |
1016 | \r | |
1017 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
1018 | Status = gBS->OpenProtocol (\r | |
1019 | ChildHandleBuffer[Index],\r | |
1020 | &gEfiBlockIoProtocolGuid,\r | |
1021 | (VOID **) &BlockIo,\r | |
1022 | This->DriverBindingHandle,\r | |
1023 | Controller,\r | |
1024 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1025 | );\r | |
1026 | if (EFI_ERROR (Status)) {\r | |
1027 | Status = gBS->OpenProtocol (\r | |
1028 | ChildHandleBuffer[Index],\r | |
1029 | &gEfiBlockIo2ProtocolGuid,\r | |
1030 | (VOID **) &BlockIo2,\r | |
1031 | This->DriverBindingHandle,\r | |
1032 | Controller,\r | |
1033 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1034 | );\r | |
1035 | if (EFI_ERROR (Status)) {\r | |
1036 | AllChildrenStopped = FALSE;\r | |
1037 | continue;\r | |
1038 | }\r | |
1039 | }\r | |
1040 | \r | |
1041 | if (BlockIo != NULL) {\r | |
1042 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO (BlockIo);\r | |
1043 | } else {\r | |
1044 | ASSERT (BlockIo2 != NULL);\r | |
1045 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO2 (BlockIo2);\r | |
1046 | }\r | |
1047 | \r | |
1048 | for (Link = GetFirstNode (&Partition->Queue);\r | |
1049 | !IsNull (&Partition->Queue, Link);\r | |
1050 | Link = NextLink) {\r | |
1051 | NextLink = GetNextNode (&Partition->Queue, Link);\r | |
1052 | \r | |
1053 | RemoveEntryList (Link);\r | |
1054 | Request = EMMC_REQUEST_FROM_LINK (Link);\r | |
1055 | \r | |
1056 | gBS->CloseEvent (Request->Event);\r | |
1057 | Request->Token->TransactionStatus = EFI_ABORTED;\r | |
1058 | \r | |
1059 | if (Request->IsEnd) {\r | |
1060 | gBS->SignalEvent (Request->Token->Event);\r | |
1061 | }\r | |
1062 | \r | |
1063 | FreePool (Request);\r | |
1064 | }\r | |
1065 | \r | |
1066 | //\r | |
1067 | // Close the child handle\r | |
1068 | //\r | |
1069 | Status = gBS->CloseProtocol (\r | |
1070 | Controller,\r | |
1071 | &gEfiSdMmcPassThruProtocolGuid,\r | |
1072 | This->DriverBindingHandle,\r | |
1073 | ChildHandleBuffer[Index]\r | |
1074 | );\r | |
1075 | \r | |
1076 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
1077 | ChildHandleBuffer[Index],\r | |
1078 | &gEfiDevicePathProtocolGuid,\r | |
1079 | Partition->DevicePath,\r | |
1080 | &gEfiBlockIoProtocolGuid,\r | |
1081 | &Partition->BlockIo,\r | |
1082 | &gEfiBlockIo2ProtocolGuid,\r | |
1083 | &Partition->BlockIo2,\r | |
1084 | NULL\r | |
1085 | );\r | |
1086 | if (EFI_ERROR (Status)) {\r | |
1087 | AllChildrenStopped = FALSE;\r | |
1088 | gBS->OpenProtocol (\r | |
1089 | Controller,\r | |
1090 | &gEfiSdMmcPassThruProtocolGuid,\r | |
1091 | (VOID **)&Partition->Device->Private->PassThru,\r | |
1092 | This->DriverBindingHandle,\r | |
1093 | ChildHandleBuffer[Index],\r | |
1094 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1095 | );\r | |
1096 | continue;\r | |
1097 | }\r | |
1098 | \r | |
1099 | //\r | |
1100 | // If Storage Security Command Protocol is installed, then uninstall this protocol.\r | |
1101 | //\r | |
1102 | Status = gBS->OpenProtocol (\r | |
1103 | ChildHandleBuffer[Index],\r | |
1104 | &gEfiStorageSecurityCommandProtocolGuid,\r | |
1105 | (VOID **) &StorageSecurity,\r | |
1106 | This->DriverBindingHandle,\r | |
1107 | Controller,\r | |
1108 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1109 | );\r | |
1110 | \r | |
1111 | if (!EFI_ERROR (Status)) {\r | |
1112 | Status = gBS->UninstallProtocolInterface (\r | |
1113 | ChildHandleBuffer[Index],\r | |
1114 | &gEfiStorageSecurityCommandProtocolGuid,\r | |
1115 | &Partition->StorageSecurity\r | |
1116 | );\r | |
1117 | if (EFI_ERROR (Status)) {\r | |
1118 | gBS->OpenProtocol (\r | |
1119 | Controller,\r | |
1120 | &gEfiSdMmcPassThruProtocolGuid,\r | |
1121 | (VOID **) &Partition->Device->Private->PassThru,\r | |
1122 | This->DriverBindingHandle,\r | |
1123 | ChildHandleBuffer[Index],\r | |
1124 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1125 | );\r | |
1126 | AllChildrenStopped = FALSE;\r | |
1127 | continue;\r | |
1128 | }\r | |
1129 | }\r | |
1130 | \r | |
1131 | FreePool (Partition->DevicePath);\r | |
1132 | }\r | |
1133 | \r | |
1134 | if (!AllChildrenStopped) {\r | |
1135 | return EFI_DEVICE_ERROR;\r | |
1136 | }\r | |
1137 | \r | |
1138 | return EFI_SUCCESS;\r | |
1139 | }\r | |
1140 | \r | |
1141 | /**\r | |
1142 | The user Entry Point for module EmmcDxe. The user code starts with this function.\r | |
1143 | \r | |
1144 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
1145 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
1146 | \r | |
1147 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
1148 | @retval other Some errors occur when executing this entry point.\r | |
1149 | \r | |
1150 | **/\r | |
1151 | EFI_STATUS\r | |
1152 | EFIAPI\r | |
1153 | InitializeEmmcDxe (\r | |
1154 | IN EFI_HANDLE ImageHandle,\r | |
1155 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1156 | )\r | |
1157 | {\r | |
1158 | EFI_STATUS Status;\r | |
1159 | \r | |
1160 | //\r | |
1161 | // Install driver model protocol(s).\r | |
1162 | //\r | |
1163 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
1164 | ImageHandle,\r | |
1165 | SystemTable,\r | |
1166 | &gEmmcDxeDriverBinding,\r | |
1167 | ImageHandle,\r | |
1168 | &gEmmcDxeComponentName,\r | |
1169 | &gEmmcDxeComponentName2\r | |
1170 | );\r | |
1171 | ASSERT_EFI_ERROR (Status);\r | |
1172 | \r | |
1173 | return Status;\r | |
1174 | }\r | |
1175 | \r |