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1d5d0ae9 | 1 | /** @file NorFlashDxe.h |
2 | ||
3 | Copyright (c) 2010, ARM Ltd. All rights reserved.<BR> | |
4 | This program and the accompanying materials | |
5 | are licensed and made available under the terms and conditions of the BSD License | |
6 | which accompanies this distribution. The full text of the license may be found at | |
7 | http://opensource.org/licenses/bsd-license.php | |
8 | ||
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
11 | ||
12 | **/ | |
13 | ||
14 | #ifndef __NOR_FLASH_DXE_H__ | |
15 | #define __NOR_FLASH_DXE_H__ | |
16 | ||
17 | ||
18 | #include <Base.h> | |
19 | #include <PiDxe.h> | |
20 | ||
21 | #include <Protocol/BlockIo.h> | |
22 | #include <Protocol/FirmwareVolumeBlock.h> | |
23 | ||
24 | #include <ArmPlatform.h> | |
25 | ||
26 | #define HIGH_16_BITS 0xFFFF0000 | |
27 | #define LOW_16_BITS 0x0000FFFF | |
28 | #define LOW_8_BITS 0x000000FF | |
29 | ||
30 | // Hardware addresses | |
31 | ||
32 | #define VE_SYSTEM_REGISTERS_OFFSET 0x00000000 | |
33 | #define SYSTEM_REGISTER_SYS_FLASH 0x0000004C | |
34 | ||
35 | #define VE_REGISTER_SYS_FLASH_ADDR ( ARM_VE_BOARD_PERIPH_BASE + VE_SYSTEM_REGISTERS_OFFSET + SYSTEM_REGISTER_SYS_FLASH ) | |
36 | ||
37 | // Device access macros | |
38 | // These are necessary because we use 2 x 16bit parts to make up 32bit data | |
39 | ||
40 | #define FOLD_32BIT_INTO_16BIT(value) ( ( value >> 16 ) | ( value & LOW_16_BITS ) ) | |
41 | ||
42 | #define GET_LOW_BYTE(value) ( value & LOW_8_BITS ) | |
43 | #define GET_HIGH_BYTE(value) ( GET_LOW_BYTE( value >> 16 ) ) | |
44 | ||
45 | // Each command must be sent simultaneously to both chips, | |
46 | // i.e. at the lower 16 bits AND at the higher 16 bits | |
47 | #define CREATE_NOR_ADDRESS(BaseAddr,OffsetAddr) ( (volatile UINTN *)((BaseAddr) + ((OffsetAddr) << 2)) ) | |
48 | #define CREATE_DUAL_CMD(Cmd) ( ( Cmd << 16) | ( Cmd & LOW_16_BITS) ) | |
49 | #define SEND_NOR_COMMAND(BaseAddr,OffsetAddr,Cmd) ( *CREATE_NOR_ADDRESS(BaseAddr,OffsetAddr) = CREATE_DUAL_CMD(Cmd) ) | |
50 | #define GET_NOR_BLOCK_ADDRESS(BaseAddr,Lba,LbaSize)( BaseAddr + (UINTN)(Lba * LbaSize) ) | |
51 | ||
52 | // Status Register Bits | |
53 | #define P30_SR_BIT_WRITE 0x00800080 /* Bit 7 */ | |
54 | #define P30_SR_BIT_ERASE_SUSPEND 0x00400040 /* Bit 6 */ | |
55 | #define P30_SR_BIT_ERASE 0x00200020 /* Bit 5 */ | |
56 | #define P30_SR_BIT_PROGRAM 0x00100010 /* Bit 4 */ | |
57 | #define P30_SR_BIT_VPP 0x00080008 /* Bit 3 */ | |
58 | #define P30_SR_BIT_PROGRAM_SUSPEND 0x00040004 /* Bit 2 */ | |
59 | #define P30_SR_BIT_BLOCK_LOCKED 0x00020002 /* Bit 1 */ | |
60 | #define P30_SR_BIT_BEFP 0x00010001 /* Bit 0 */ | |
61 | ||
62 | // Device Commands for Intel StrataFlash(R) Embedded Memory (P30) Family | |
63 | ||
64 | // On chip buffer size for buffered programming operations | |
65 | // There are 2 chips, each chip can buffer up to 32 (16-bit)words, and each word is 2 bytes. | |
66 | // Therefore the total size of the buffer is 2 x 32 x 2 = 128 bytes | |
67 | #define P30_MAX_BUFFER_SIZE_IN_BYTES ((UINTN)128) | |
68 | #define P30_MAX_BUFFER_SIZE_IN_WORDS (P30_MAX_BUFFER_SIZE_IN_BYTES/((UINTN)4)) | |
69 | #define MAX_BUFFERED_PROG_ITERATIONS 10000000 | |
70 | #define BOUNDARY_OF_32_WORDS 0x7F | |
71 | ||
72 | // CFI Addresses | |
73 | #define P30_CFI_ADDR_QUERY_UNIQUE_QRY 0x10 | |
74 | #define P30_CFI_ADDR_VENDOR_ID 0x13 | |
75 | ||
76 | // CFI Data | |
77 | #define CFI_QRY 0x00595251 | |
78 | ||
79 | // READ Commands | |
80 | #define P30_CMD_READ_DEVICE_ID 0x0090 | |
81 | #define P30_CMD_READ_STATUS_REGISTER 0x0070 | |
82 | #define P30_CMD_CLEAR_STATUS_REGISTER 0x0050 | |
83 | #define P30_CMD_READ_ARRAY 0x00FF | |
84 | #define P30_CMD_READ_CFI_QUERY 0x0098 | |
85 | ||
86 | // WRITE Commands | |
87 | #define P30_CMD_WORD_PROGRAM_SETUP 0x0040 | |
88 | #define P30_CMD_ALTERNATE_WORD_PROGRAM_SETUP 0x0010 | |
89 | #define P30_CMD_BUFFERED_PROGRAM_SETUP 0x00E8 | |
90 | #define P30_CMD_BUFFERED_PROGRAM_CONFIRM 0x00D0 | |
91 | #define P30_CMD_BEFP_SETUP 0x0080 | |
92 | #define P30_CMD_BEFP_CONFIRM 0x00D0 | |
93 | ||
94 | // ERASE Commands | |
95 | #define P30_CMD_BLOCK_ERASE_SETUP 0x0020 | |
96 | #define P30_CMD_BLOCK_ERASE_CONFIRM 0x00D0 | |
97 | ||
98 | // SUSPEND Commands | |
99 | #define P30_CMD_PROGRAM_OR_ERASE_SUSPEND 0x00B0 | |
100 | #define P30_CMD_SUSPEND_RESUME 0x00D0 | |
101 | ||
102 | // BLOCK LOCKING / UNLOCKING Commands | |
103 | #define P30_CMD_LOCK_BLOCK_SETUP 0x0060 | |
104 | #define P30_CMD_LOCK_BLOCK 0x0001 | |
105 | #define P30_CMD_UNLOCK_BLOCK 0x00D0 | |
106 | #define P30_CMD_LOCK_DOWN_BLOCK 0x002F | |
107 | ||
108 | // PROTECTION Commands | |
109 | #define P30_CMD_PROGRAM_PROTECTION_REGISTER_SETUP 0x00C0 | |
110 | ||
111 | // CONFIGURATION Commands | |
112 | #define P30_CMD_READ_CONFIGURATION_REGISTER_SETUP 0x0060 | |
113 | #define P30_CMD_READ_CONFIGURATION_REGISTER 0x0003 | |
114 | ||
115 | #define NOR_FLASH_SIGNATURE SIGNATURE_32('n', 'o', 'r', '0') | |
116 | #define INSTANCE_FROM_FVB_THIS(a) CR(a, NOR_FLASH_INSTANCE, FvbProtocol, NOR_FLASH_SIGNATURE) | |
117 | #define INSTANCE_FROM_BLKIO_THIS(a) CR(a, NOR_FLASH_INSTANCE, BlockIoProtocol, NOR_FLASH_SIGNATURE) | |
118 | ||
119 | typedef struct _NOR_FLASH_INSTANCE NOR_FLASH_INSTANCE; | |
120 | ||
121 | typedef EFI_STATUS (*NOR_FLASH_INITIALIZE) (NOR_FLASH_INSTANCE* Instance); | |
122 | ||
123 | typedef struct { | |
124 | UINTN BaseAddress; | |
125 | UINTN Size; | |
126 | UINTN BlockSize; | |
1d5d0ae9 | 127 | EFI_GUID Guid; |
128 | } NOR_FLASH_DESCRIPTION; | |
129 | ||
130 | typedef struct { | |
131 | VENDOR_DEVICE_PATH Vendor; | |
132 | EFI_DEVICE_PATH_PROTOCOL End; | |
133 | } NOR_FLASH_DEVICE_PATH; | |
134 | ||
135 | struct _NOR_FLASH_INSTANCE { | |
136 | UINT32 Signature; | |
137 | EFI_HANDLE Handle; | |
138 | ||
139 | BOOLEAN Initialized; | |
140 | NOR_FLASH_INITIALIZE Initialize; | |
141 | ||
142 | UINTN BaseAddress; | |
143 | UINTN Size; | |
144 | ||
145 | EFI_BLOCK_IO_PROTOCOL BlockIoProtocol; | |
146 | EFI_BLOCK_IO_MEDIA Media; | |
147 | ||
148 | BOOLEAN SupportFvb; | |
149 | EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL FvbProtocol; | |
150 | ||
151 | NOR_FLASH_DEVICE_PATH DevicePath; | |
152 | }; | |
153 | ||
154 | EFI_STATUS | |
155 | EFIAPI | |
156 | NorFlashBlkIoInitialize ( | |
157 | IN NOR_FLASH_INSTANCE* Instance | |
158 | ); | |
159 | ||
160 | EFI_STATUS | |
161 | NorFlashReadCfiData ( | |
162 | IN UINTN BaseAddress, | |
163 | IN UINTN CFI_Offset, | |
164 | IN UINT32 NumberOfBytes, | |
165 | OUT UINT32 *Data | |
166 | ); | |
167 | ||
168 | EFI_STATUS | |
169 | NorFlashWriteBuffer ( | |
170 | IN UINTN TargetAddress, | |
171 | IN UINTN BufferSizeInBytes, | |
172 | IN UINT32 *Buffer | |
173 | ); | |
174 | ||
175 | ||
176 | // | |
177 | // BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.Reset | |
178 | // | |
179 | EFI_STATUS | |
180 | EFIAPI | |
181 | NorFlashBlockIoReset ( | |
182 | IN EFI_BLOCK_IO_PROTOCOL *This, | |
183 | IN BOOLEAN ExtendedVerification | |
184 | ); | |
185 | ||
186 | // | |
187 | // BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks | |
188 | // | |
189 | EFI_STATUS | |
190 | EFIAPI | |
191 | NorFlashBlockIoReadBlocks ( | |
192 | IN EFI_BLOCK_IO_PROTOCOL *This, | |
193 | IN UINT32 MediaId, | |
194 | IN EFI_LBA Lba, | |
195 | IN UINTN BufferSizeInBytes, | |
196 | OUT VOID *Buffer | |
197 | ); | |
198 | ||
199 | // | |
200 | // BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.WriteBlocks | |
201 | // | |
202 | EFI_STATUS | |
203 | EFIAPI | |
204 | NorFlashBlockIoWriteBlocks ( | |
205 | IN EFI_BLOCK_IO_PROTOCOL *This, | |
206 | IN UINT32 MediaId, | |
207 | IN EFI_LBA Lba, | |
208 | IN UINTN BufferSizeInBytes, | |
209 | IN VOID *Buffer | |
210 | ); | |
211 | ||
212 | // | |
213 | // BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.FlushBlocks | |
214 | // | |
215 | EFI_STATUS | |
216 | EFIAPI | |
217 | NorFlashBlockIoFlushBlocks ( | |
218 | IN EFI_BLOCK_IO_PROTOCOL *This | |
219 | ); | |
220 | ||
221 | ||
222 | // | |
223 | // NorFlashFvbDxe.c | |
224 | // | |
225 | ||
226 | EFI_STATUS | |
227 | EFIAPI | |
228 | NorFlashFvbInitialize ( | |
229 | IN NOR_FLASH_INSTANCE* Instance | |
230 | ); | |
231 | ||
232 | EFI_STATUS | |
233 | EFIAPI | |
234 | FvbGetAttributes( | |
235 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
236 | OUT EFI_FVB_ATTRIBUTES_2 *Attributes | |
237 | ); | |
238 | ||
239 | EFI_STATUS | |
240 | EFIAPI | |
241 | FvbSetAttributes( | |
242 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
243 | IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes | |
244 | ); | |
245 | ||
246 | EFI_STATUS | |
247 | EFIAPI | |
248 | FvbGetPhysicalAddress( | |
249 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
250 | OUT EFI_PHYSICAL_ADDRESS *Address | |
251 | ); | |
252 | ||
253 | EFI_STATUS | |
254 | EFIAPI | |
255 | FvbGetBlockSize( | |
256 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
257 | IN EFI_LBA Lba, | |
258 | OUT UINTN *BlockSize, | |
259 | OUT UINTN *NumberOfBlocks | |
260 | ); | |
261 | ||
262 | EFI_STATUS | |
263 | EFIAPI | |
264 | FvbRead( | |
265 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
266 | IN EFI_LBA Lba, | |
267 | IN UINTN Offset, | |
268 | IN OUT UINTN *NumBytes, | |
269 | IN OUT UINT8 *Buffer | |
270 | ); | |
271 | ||
272 | EFI_STATUS | |
273 | EFIAPI | |
274 | FvbWrite( | |
275 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
276 | IN EFI_LBA Lba, | |
277 | IN UINTN Offset, | |
278 | IN OUT UINTN *NumBytes, | |
279 | IN UINT8 *Buffer | |
280 | ); | |
281 | ||
282 | EFI_STATUS | |
283 | EFIAPI | |
284 | FvbEraseBlocks( | |
285 | IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, | |
286 | ... | |
287 | ); | |
288 | ||
289 | // | |
290 | // NorFlashDxe.c | |
291 | // | |
292 | ||
293 | EFI_STATUS | |
294 | NorFlashUnlockAndEraseSingleBlock( | |
295 | IN UINTN BlockAddress | |
296 | ); | |
297 | ||
298 | EFI_STATUS | |
299 | NorFlashWriteSingleBlock ( | |
300 | IN UINTN DeviceBaseAddress, | |
301 | IN EFI_LBA Lba, | |
302 | IN UINT32 *pDataBuffer, | |
303 | IN UINT32 BlockSizeInWords | |
304 | ); | |
305 | ||
306 | EFI_STATUS | |
307 | NorFlashWriteBlocks ( | |
308 | IN NOR_FLASH_INSTANCE *Instance, | |
309 | IN EFI_LBA Lba, | |
310 | IN UINTN BufferSizeInBytes, | |
311 | IN VOID *Buffer | |
312 | ); | |
313 | ||
314 | EFI_STATUS | |
315 | NorFlashReadBlocks ( | |
316 | IN NOR_FLASH_INSTANCE *Instance, | |
317 | IN EFI_LBA Lba, | |
318 | IN UINTN BufferSizeInBytes, | |
319 | OUT VOID *Buffer | |
320 | ); | |
321 | ||
322 | EFI_STATUS | |
323 | NorFlashReset ( | |
324 | IN NOR_FLASH_INSTANCE *Instance | |
325 | ); | |
326 | ||
327 | #endif /* __NOR_FLASH_DXE_H__ */ |