1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
|
/**
******************************************************************************
* File Name : FMC.c
* Description : This file provides code for the configuration
* of the FMC peripheral.
******************************************************************************
*
* COPYRIGHT(c) 2016 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "fmc.h"
#include "gpio.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
SDRAM_HandleTypeDef hsdram1;
SDRAM_HandleTypeDef hsdram2;
/* FMC initialization function */
//-----------------------------------------------------------------------------
void MX_FMC_Init(void)
//-----------------------------------------------------------------------------
{
// timing parameters
FMC_SDRAM_TimingTypeDef SdramTiming;
//
// following settings are for -75E speed grade memory chip
// clocked at only 90 MHz instead of the rated 133 MHz
//
SdramTiming.LoadToActiveDelay = 2; // tMRD
SdramTiming.ExitSelfRefreshDelay = 7; // 67 ns @ 90 MHz is 6.03 cycles, so in theory 6
// can be used here, but let's be on the safe side
SdramTiming.SelfRefreshTime = 5; // should be >= tRAS (5 cycles)
SdramTiming.RowCycleDelay = 8; // tRC
SdramTiming.WriteRecoveryTime = 4; // must be >= tRAS - tRCD (5 - 2 = 3 cycles),
// and >= tRC - tRCD - tRP (8 - 2 - 2 = 4 cycles)
SdramTiming.RPDelay = 2; // tRP
SdramTiming.RCDDelay = 2; // tRCD
//
// configure the first bank
//
// memory type
hsdram1.Instance = FMC_SDRAM_DEVICE;
// bank
hsdram1.Init.SDBank = FMC_SDRAM_BANK1;
// settings for IS42S32160F
hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9;
hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_13;
hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32;
hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_2;
// write protection not needed
hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
// memory clock is 90 MHz (HCLK / 2)
hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
// read burst not needed
hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;
// additional pipeline stages not neeed
hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
// call HAL layer
HAL_SDRAM_Init(&hsdram1, &SdramTiming);
//
// configure the second bank
//
// memory type
hsdram2.Instance = FMC_SDRAM_DEVICE;
// bank number
hsdram2.Init.SDBank = FMC_SDRAM_BANK2;
// settings for IS42S32160F
hsdram2.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9;
hsdram2.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_13;
hsdram2.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32;
hsdram2.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
hsdram2.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_2;
// write protection not needed
hsdram2.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
// memory clock is 90 MHz (HCLK / 2)
hsdram2.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
// read burst not needed
hsdram2.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;
// additional pipeline stages not neeed
hsdram2.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
// call HAL layer
HAL_SDRAM_Init(&hsdram2, &SdramTiming);
}
static int FMC_Initialized = 0;
static void HAL_FMC_MspInit(void){
/* USER CODE BEGIN FMC_MspInit 0 */
/* USER CODE END FMC_MspInit 0 */
GPIO_InitTypeDef GPIO_InitStruct;
if (FMC_Initialized) {
return;
}
FMC_Initialized = 1;
/* Peripheral clock enable */
__HAL_RCC_FMC_CLK_ENABLE();
/** FMC GPIO Configuration
PI9 ------> FMC_D30
PI10 ------> FMC_D31
PF0 ------> FMC_A0
PF1 ------> FMC_A1
PF2 ------> FMC_A2
PF3 ------> FMC_A3
PF4 ------> FMC_A4
PF5 ------> FMC_A5
PC0 ------> FMC_SDNWE
PC2 ------> FMC_SDNE0
PC3 ------> FMC_SDCKE0
PF11 ------> FMC_SDNRAS
PF12 ------> FMC_A6
PF13 ------> FMC_A7
PF14 ------> FMC_A8
PF15 ------> FMC_A9
PG0 ------> FMC_A10
PG1 ------> FMC_A11
PE7 ------> FMC_D4
PE8 ------> FMC_D5
PE9 ------> FMC_D6
PE10 ------> FMC_D7
PE11 ------> FMC_D8
PE12 ------> FMC_D9
PE13 ------> FMC_D10
PE14 ------> FMC_D11
PE15 ------> FMC_D12
PH8 ------> FMC_D16
PH9 ------> FMC_D17
PH10 ------> FMC_D18
PH11 ------> FMC_D19
PH12 ------> FMC_D20
PD8 ------> FMC_D13
PD9 ------> FMC_D14
PD10 ------> FMC_D15
PD14 ------> FMC_D0
PD15 ------> FMC_D1
PG2 ------> FMC_A12
PG4 ------> FMC_BA0
PG5 ------> FMC_BA1
PG8 ------> FMC_SDCLK
PH13 ------> FMC_D21
PH14 ------> FMC_D22
PH15 ------> FMC_D23
PI0 ------> FMC_D24
PI1 ------> FMC_D25
PI2 ------> FMC_D26
PI3 ------> FMC_D27
PD0 ------> FMC_D2
PD1 ------> FMC_D3
PG15 ------> FMC_SDNCAS
PB5 ------> FMC_SDCKE1
PB6 ------> FMC_SDNE1
PE0 ------> FMC_NBL0
PE1 ------> FMC_NBL1
PI4 ------> FMC_NBL2
PI5 ------> FMC_NBL3
PI6 ------> FMC_D28
PI7 ------> FMC_D29
*/
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1
|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_11|GPIO_PIN_12
|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_4
|GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* GPIO_InitStruct */
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* USER CODE BEGIN FMC_MspInit 1 */
/* USER CODE END FMC_MspInit 1 */
}
void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef* hsdram){
/* USER CODE BEGIN SDRAM_MspInit 0 */
/* USER CODE END SDRAM_MspInit 0 */
HAL_FMC_MspInit();
/* USER CODE BEGIN SDRAM_MspInit 1 */
/* USER CODE END SDRAM_MspInit 1 */
}
static int FMC_DeInitialized = 0;
static void HAL_FMC_MspDeInit(void){
/* USER CODE BEGIN FMC_MspDeInit 0 */
/* USER CODE END FMC_MspDeInit 0 */
if (FMC_DeInitialized) {
return;
}
FMC_DeInitialized = 1;
/* Peripheral clock enable */
__HAL_RCC_FMC_CLK_DISABLE();
/** FMC GPIO Configuration
PI9 ------> FMC_D30
PI10 ------> FMC_D31
PF0 ------> FMC_A0
PF1 ------> FMC_A1
PF2 ------> FMC_A2
PF3 ------> FMC_A3
PF4 ------> FMC_A4
PF5 ------> FMC_A5
PC0 ------> FMC_SDNWE
PC2 ------> FMC_SDNE0
PC3 ------> FMC_SDCKE0
PF11 ------> FMC_SDNRAS
PF12 ------> FMC_A6
PF13 ------> FMC_A7
PF14 ------> FMC_A8
PF15 ------> FMC_A9
PG0 ------> FMC_A10
PG1 ------> FMC_A11
PE7 ------> FMC_D4
PE8 ------> FMC_D5
PE9 ------> FMC_D6
PE10 ------> FMC_D7
PE11 ------> FMC_D8
PE12 ------> FMC_D9
PE13 ------> FMC_D10
PE14 ------> FMC_D11
PE15 ------> FMC_D12
PH8 ------> FMC_D16
PH9 ------> FMC_D17
PH10 ------> FMC_D18
PH11 ------> FMC_D19
PH12 ------> FMC_D20
PD8 ------> FMC_D13
PD9 ------> FMC_D14
PD10 ------> FMC_D15
PD14 ------> FMC_D0
PD15 ------> FMC_D1
PG2 ------> FMC_A12
PG4 ------> FMC_BA0
PG5 ------> FMC_BA1
PG8 ------> FMC_SDCLK
PH13 ------> FMC_D21
PH14 ------> FMC_D22
PH15 ------> FMC_D23
PI0 ------> FMC_D24
PI1 ------> FMC_D25
PI2 ------> FMC_D26
PI3 ------> FMC_D27
PD0 ------> FMC_D2
PD1 ------> FMC_D3
PG15 ------> FMC_SDNCAS
PB5 ------> FMC_SDCKE1
PB6 ------> FMC_SDNE1
PE0 ------> FMC_NBL0
PE1 ------> FMC_NBL1
PI4 ------> FMC_NBL2
PI5 ------> FMC_NBL3
PI6 ------> FMC_D28
PI7 ------> FMC_D29
*/
HAL_GPIO_DeInit(GPIOI, GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1
|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_6|GPIO_PIN_7);
HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_11|GPIO_PIN_12
|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3);
HAL_GPIO_DeInit(GPIOG, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_4
|GPIO_PIN_5|GPIO_PIN_8|GPIO_PIN_15);
HAL_GPIO_DeInit(GPIOE, GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1);
HAL_GPIO_DeInit(GPIOH, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15);
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_0|GPIO_PIN_1);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_5|GPIO_PIN_6);
/* USER CODE BEGIN FMC_MspDeInit 1 */
/* USER CODE END FMC_MspDeInit 1 */
}
void HAL_SDRAM_MspDeInit(SDRAM_HandleTypeDef* hsdram){
/* USER CODE BEGIN SDRAM_MspDeInit 0 */
/* USER CODE END SDRAM_MspDeInit 0 */
HAL_FMC_MspDeInit();
/* USER CODE BEGIN SDRAM_MspDeInit 1 */
/* USER CODE END SDRAM_MspDeInit 1 */
}
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
