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
439
440
441
442
443
444
445
446
447
448
449
450
|
/*
* Copyright (C) 2011, 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* Copyright (C) 2011, 2012 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <version.h>
#include <asm/processor.h>
#include <asm/macro.h>
#include <asm/processor.h>
.global lowlevel_init
.text
.align 2
lowlevel_init:
/* WDT */
write32 WDTCSR_A, WDTCSR_D
/* MMU */
write32 MMUCR_A, MMUCR_D
write32 FRQCR2_A, FRQCR2_D
write32 FRQCR0_A, FRQCR0_D
write32 CS0CTRL_A, CS0CTRL_D
write32 CS1CTRL_A, CS1CTRL_D
write32 CS0CTRL2_A, CS0CTRL2_D
write32 CSPWCR0_A, CSPWCR0_D
write32 CSPWCR1_A, CSPWCR1_D
write32 CS1GDST_A, CS1GDST_D
# clock mode check
mov.l MODEMR, r1
mov.l @r1, r0
and #6, r0 /* Check 1 and 2 bit.*/
cmp/eq #2, r0 /* 0x02 is 533Mhz mode */
bt init_lbsc_533
init_lbsc_400:
write32 CSWCR0_A, CSWCR0_D_400
write32 CSWCR1_A, CSWCR1_D
bra init_dbsc3_400_pad
nop
.align 2
MODEMR: .long 0xFFCC0020
WDTCSR_A: .long 0xFFCC0004
WDTCSR_D: .long 0xA5000000
MMUCR_A: .long 0xFF000010
MMUCR_D: .long 0x00000004
FRQCR2_A: .long 0xFFC80008
FRQCR2_D: .long 0x00000000
FRQCR0_A: .long 0xFFC80000
FRQCR0_D: .long 0xCF000001
CS0CTRL_A: .long 0xFF800200
CS0CTRL_D: .long 0x00000020
CS1CTRL_A: .long 0xFF800204
CS1CTRL_D: .long 0x00000020
CS0CTRL2_A: .long 0xFF800220
CS0CTRL2_D: .long 0x00004000
CSPWCR0_A: .long 0xFF800280
CSPWCR0_D: .long 0x00000000
CSPWCR1_A: .long 0xFF800284
CSPWCR1_D: .long 0x00000000
CS1GDST_A: .long 0xFF8002C0
CS1GDST_D: .long 0x00000011
init_lbsc_533:
write32 CSWCR0_A, CSWCR0_D_533
write32 CSWCR1_A, CSWCR1_D
bra init_dbsc3_533_pad
nop
.align 2
CSWCR0_A: .long 0xFF800230
CSWCR0_D_533: .long 0x01120104
CSWCR0_D_400: .long 0x02120114
CSWCR1_A: .long 0xFF800234
CSWCR1_D: .long 0x077F077F
init_dbsc3_400_pad:
write32 DBPDCNT3_A, DBPDCNT3_D
wait_timer WAIT_200US_400
write32 DBPDCNT0_A, DBPDCNT0_D_400
write32 DBPDCNT3_A, DBPDCNT3_D0
write32 DBPDCNT1_A, DBPDCNT1_D
write32 DBPDCNT3_A, DBPDCNT3_D1
wait_timer WAIT_32MCLK
write32 DBPDCNT3_A, DBPDCNT3_D2
wait_timer WAIT_100US_400
write32 DBPDCNT3_A, DBPDCNT3_D3
wait_timer WAIT_16MCLK
write32 DBPDCNT3_A, DBPDCNT3_D4
wait_timer WAIT_200US_400
write32 DBPDCNT3_A, DBPDCNT3_D5
wait_timer WAIT_1MCLK
write32 DBPDCNT3_A, DBPDCNT3_D6
wait_timer WAIT_10KMCLK
bra init_dbsc3_ctrl_400
nop
.align 2
init_dbsc3_533_pad:
write32 DBPDCNT3_A, DBPDCNT3_D
wait_timer WAIT_200US_533
write32 DBPDCNT0_A, DBPDCNT0_D_533
write32 DBPDCNT3_A, DBPDCNT3_D0
write32 DBPDCNT1_A, DBPDCNT1_D
write32 DBPDCNT3_A, DBPDCNT3_D1
wait_timer WAIT_32MCLK
write32 DBPDCNT3_A, DBPDCNT3_D2
wait_timer WAIT_100US_533
write32 DBPDCNT3_A, DBPDCNT3_D3
wait_timer WAIT_16MCLK
write32 DBPDCNT3_A, DBPDCNT3_D4
wait_timer WAIT_200US_533
write32 DBPDCNT3_A, DBPDCNT3_D5
wait_timer WAIT_1MCLK
write32 DBPDCNT3_A, DBPDCNT3_D6
wait_timer WAIT_10KMCLK
bra init_dbsc3_ctrl_533
nop
.align 2
WAIT_200US_400: .long 40000
WAIT_200US_533: .long 53300
WAIT_100US_400: .long 20000
WAIT_100US_533: .long 26650
WAIT_32MCLK: .long 32
WAIT_16MCLK: .long 16
WAIT_1MCLK: .long 1
WAIT_10KMCLK: .long 10000
DBPDCNT0_A: .long 0xFE800200
DBPDCNT0_D_533: .long 0x00010245
DBPDCNT0_D_400: .long 0x00010235
DBPDCNT1_A: .long 0xFE800204
DBPDCNT1_D: .long 0x00000014
DBPDCNT3_A: .long 0xFE80020C
DBPDCNT3_D: .long 0x80000000
DBPDCNT3_D0: .long 0x800F0000
DBPDCNT3_D1: .long 0x800F1000
DBPDCNT3_D2: .long 0x820F1000
DBPDCNT3_D3: .long 0x860F1000
DBPDCNT3_D4: .long 0x870F1000
DBPDCNT3_D5: .long 0x870F3000
DBPDCNT3_D6: .long 0x870F7000
init_dbsc3_ctrl_400:
write32 DBKIND_A, DBKIND_D
write32 DBCONF_A, DBCONF_D
write32 DBTR0_A, DBTR0_D_400
write32 DBTR1_A, DBTR1_D_400
write32 DBTR2_A, DBTR2_D
write32 DBTR3_A, DBTR3_D_400
write32 DBTR4_A, DBTR4_D_400
write32 DBTR5_A, DBTR5_D_400
write32 DBTR6_A, DBTR6_D_400
write32 DBTR7_A, DBTR7_D
write32 DBTR8_A, DBTR8_D_400
write32 DBTR9_A, DBTR9_D
write32 DBTR10_A, DBTR10_D_400
write32 DBTR11_A, DBTR11_D
write32 DBTR12_A, DBTR12_D_400
write32 DBTR13_A, DBTR13_D_400
write32 DBTR14_A, DBTR14_D
write32 DBTR15_A, DBTR15_D
write32 DBTR16_A, DBTR16_D_400
write32 DBTR17_A, DBTR17_D_400
write32 DBTR18_A, DBTR18_D_400
write32 DBBL_A, DBBL_D
write32 DBRNK0_A, DBRNK0_D
write32 DBCMD_A, DBCMD_D0_400
write32 DBCMD_A, DBCMD_D1
write32 DBCMD_A, DBCMD_D2
write32 DBCMD_A, DBCMD_D3
write32 DBCMD_A, DBCMD_D4
write32 DBCMD_A, DBCMD_D5_400
write32 DBCMD_A, DBCMD_D6
write32 DBCMD_A, DBCMD_D7
write32 DBCMD_A, DBCMD_D8
write32 DBCMD_A, DBCMD_D9_400
write32 DBCMD_A, DBCMD_D10
write32 DBCMD_A, DBCMD_D11
write32 DBCMD_A, DBCMD_D12
write32 DBRFCNF0_A, DBRFCNF0_D
write32 DBRFCNF1_A, DBRFCNF1_D_400
write32 DBRFCNF2_A, DBRFCNF2_D
write32 DBRFEN_A, DBRFEN_D
write32 DBACEN_A, DBACEN_D
write32 DBACEN_A, DBACEN_D
/* Dummy read */
mov.l DBWAIT_A, r1
synco
mov.l @r1, r0
synco
/* Dummy read */
mov.l SDRAM_A, r1
synco
mov.l @r1, r0
synco
/* need sleep 186A0 */
bra finish_init_sh7734
nop
.align 2
init_dbsc3_ctrl_533:
write32 DBKIND_A, DBKIND_D
write32 DBCONF_A, DBCONF_D
write32 DBTR0_A, DBTR0_D_533
write32 DBTR1_A, DBTR1_D_533
write32 DBTR2_A, DBTR2_D
write32 DBTR3_A, DBTR3_D_533
write32 DBTR4_A, DBTR4_D_533
write32 DBTR5_A, DBTR5_D_533
write32 DBTR6_A, DBTR6_D_533
write32 DBTR7_A, DBTR7_D
write32 DBTR8_A, DBTR8_D_533
write32 DBTR9_A, DBTR9_D
write32 DBTR10_A, DBTR10_D_533
write32 DBTR11_A, DBTR11_D
write32 DBTR12_A, DBTR12_D_533
write32 DBTR13_A, DBTR13_D_533
write32 DBTR14_A, DBTR14_D
write32 DBTR15_A, DBTR15_D
write32 DBTR16_A, DBTR16_D_533
write32 DBTR17_A, DBTR17_D_533
write32 DBTR18_A, DBTR18_D_533
write32 DBBL_A, DBBL_D
write32 DBRNK0_A, DBRNK0_D
write32 DBCMD_A, DBCMD_D0_533
write32 DBCMD_A, DBCMD_D1
write32 DBCMD_A, DBCMD_D2
write32 DBCMD_A, DBCMD_D3
write32 DBCMD_A, DBCMD_D4
write32 DBCMD_A, DBCMD_D5_533
write32 DBCMD_A, DBCMD_D6
write32 DBCMD_A, DBCMD_D7
write32 DBCMD_A, DBCMD_D8
write32 DBCMD_A, DBCMD_D9_533
write32 DBCMD_A, DBCMD_D10
write32 DBCMD_A, DBCMD_D11
write32 DBCMD_A, DBCMD_D12
write32 DBRFCNF0_A, DBRFCNF0_D
write32 DBRFCNF1_A, DBRFCNF1_D_533
write32 DBRFCNF2_A, DBRFCNF2_D
write32 DBRFEN_A, DBRFEN_D
write32 DBACEN_A, DBACEN_D
write32 DBACEN_A, DBACEN_D
/* Dummy read */
mov.l DBWAIT_A, r1
synco
mov.l @r1, r0
synco
/* Dummy read */
mov.l SDRAM_A, r1
synco
mov.l @r1, r0
synco
/* need sleep 186A0 */
bra finish_init_sh7734
nop
.align 2
DBKIND_A: .long 0xFE800020
DBKIND_D: .long 0x00000005
DBCONF_A: .long 0xFE800024
DBCONF_D: .long 0x0D020A01
DBTR0_A: .long 0xFE800040
DBTR0_D_533:.long 0x00000004
DBTR0_D_400:.long 0x00000003
DBTR1_A: .long 0xFE800044
DBTR1_D_533:.long 0x00000003
DBTR1_D_400:.long 0x00000002
DBTR2_A: .long 0xFE800048
DBTR2_D: .long 0x00000000
DBTR3_A: .long 0xFE800050
DBTR3_D_533:.long 0x00000004
DBTR3_D_400:.long 0x00000003
DBTR4_A: .long 0xFE800054
DBTR4_D_533:.long 0x00050004
DBTR4_D_400:.long 0x00050003
DBTR5_A: .long 0xFE800058
DBTR5_D_533:.long 0x0000000F
DBTR5_D_400:.long 0x0000000B
DBTR6_A: .long 0xFE80005C
DBTR6_D_533:.long 0x0000000B
DBTR6_D_400:.long 0x00000008
DBTR7_A: .long 0xFE800060
DBTR7_D: .long 0x00000002
DBTR8_A: .long 0xFE800064
DBTR8_D_533:.long 0x0000000D
DBTR8_D_400:.long 0x0000000A
DBTR9_A: .long 0xFE800068
DBTR9_D: .long 0x00000002
DBTR10_A: .long 0xFE80006C
DBTR10_D_533:.long 0x00000004
DBTR10_D_400:.long 0x00000003
DBTR11_A: .long 0xFE800070
DBTR11_D: .long 0x00000008
DBTR12_A: .long 0xFE800074
DBTR12_D_533:.long 0x00000009
DBTR12_D_400:.long 0x00000008
DBTR13_A: .long 0xFE800078
DBTR13_D_533:.long 0x00000022
DBTR13_D_400:.long 0x0000001A
DBTR14_A: .long 0xFE80007C
DBTR14_D: .long 0x00070002
DBTR15_A: .long 0xFE800080
DBTR15_D: .long 0x00000003
DBTR16_A: .long 0xFE800084
DBTR16_D_533:.long 0x120A1001
DBTR16_D_400:.long 0x12091001
DBTR17_A: .long 0xFE800088
DBTR17_D_533:.long 0x00040000
DBTR17_D_400:.long 0x00030000
DBTR18_A: .long 0xFE80008C
DBTR18_D_533:.long 0x02010200
DBTR18_D_400:.long 0x02000207
DBBL_A: .long 0xFE8000B0
DBBL_D: .long 0x00000000
DBRNK0_A: .long 0xFE800100
DBRNK0_D: .long 0x00000001
DBCMD_A: .long 0xFE800018
DBCMD_D0_533: .long 0x1100006B
DBCMD_D0_400: .long 0x11000050
DBCMD_D1: .long 0x0B000000
DBCMD_D2: .long 0x2A004000
DBCMD_D3: .long 0x2B006000
DBCMD_D4: .long 0x29002044
DBCMD_D5_533: .long 0x28000743
DBCMD_D5_400: .long 0x28000533
DBCMD_D6: .long 0x0B000000
DBCMD_D7: .long 0x0C000000
DBCMD_D8: .long 0x0C000000
DBCMD_D9_533: .long 0x28000643
DBCMD_D9_400: .long 0x28000433
DBCMD_D10: .long 0x000000C8
DBCMD_D11: .long 0x290023C4
DBCMD_D12: .long 0x29002004
DBRFCNF0_A: .long 0xFE8000E0
DBRFCNF0_D: .long 0x000001FF
DBRFCNF1_A: .long 0xFE8000E4
DBRFCNF1_D_533: .long 0x00000805
DBRFCNF1_D_400: .long 0x00000618
DBRFCNF2_A: .long 0xFE8000E8
DBRFCNF2_D: .long 0x00000000
DBRFEN_A: .long 0xFE800014
DBRFEN_D: .long 0x00000001
DBACEN_A: .long 0xFE800010
DBACEN_D: .long 0x00000001
DBWAIT_A: .long 0xFE80001C
SDRAM_A: .long 0x0C000000
finish_init_sh7734:
write32 CCR_A, CCR_D
stc sr, r0
mov.l SR_MASK_D, r1
and r1, r0
ldc r0, sr
rts
nop
.align 2
CCR_A: .long 0xFF00001C
CCR_D: .long 0x0000090B
SR_MASK_D: .long 0xEFFFFF0F
|
