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git01.mediatek.com / filogic / uboot / fe3f643882d04052a5e43723f5c0a1552981a835 / . / board / alphaproject / ap_sh4a_4a / lowlevel_init.S
blob: 4a5dedacf6578a6ea3211622cdb01e6369f078aa [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
Nobuhiro Iwamatsuaf2db2c2012-05-09 15:59:30 +0900[diff] [blame]2/*
3 * Copyright (C) 2011, 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
4 * Copyright (C) 2011, 2012 Renesas Solutions Corp.
Nobuhiro Iwamatsuaf2db2c2012-05-09 15:59:30 +0900[diff] [blame]5 */
6#include <config.h>
Nobuhiro Iwamatsuaf2db2c2012-05-09 15:59:30 +0900[diff] [blame]7#include <asm/processor.h>
8#include <asm/macro.h>
9
10#include <asm/processor.h>
11
12 .global lowlevel_init
13
14 .text
15 .align 2
16
17lowlevel_init:
18
19 /* WDT */
20 write32 WDTCSR_A, WDTCSR_D
21
22 /* MMU */
23 write32 MMUCR_A, MMUCR_D
24
25 write32 FRQCR2_A, FRQCR2_D
26 write32 FRQCR0_A, FRQCR0_D
27
28 write32 CS0CTRL_A, CS0CTRL_D
29 write32 CS1CTRL_A, CS1CTRL_D
30 write32 CS0CTRL2_A, CS0CTRL2_D
31
32 write32 CSPWCR0_A, CSPWCR0_D
33 write32 CSPWCR1_A, CSPWCR1_D
34 write32 CS1GDST_A, CS1GDST_D
35
36 # clock mode check
37 mov.l MODEMR, r1
38 mov.l @r1, r0
39 and #6, r0 /* Check 1 and 2 bit.*/
40 cmp/eq #2, r0 /* 0x02 is 533Mhz mode */
41 bt init_lbsc_533
42
43init_lbsc_400:
44
45 write32 CSWCR0_A, CSWCR0_D_400
46 write32 CSWCR1_A, CSWCR1_D
47
48 bra init_dbsc3_400_pad
49 nop
50
51 .align 2
52
53MODEMR: .long 0xFFCC0020
54WDTCSR_A: .long 0xFFCC0004
55WDTCSR_D: .long 0xA5000000
56MMUCR_A: .long 0xFF000010
57MMUCR_D: .long 0x00000004
58
59FRQCR2_A: .long 0xFFC80008
60FRQCR2_D: .long 0x00000000
61FRQCR0_A: .long 0xFFC80000
62FRQCR0_D: .long 0xCF000001
63
64CS0CTRL_A: .long 0xFF800200
65CS0CTRL_D: .long 0x00000020
66CS1CTRL_A: .long 0xFF800204
67CS1CTRL_D: .long 0x00000020
68
69CS0CTRL2_A: .long 0xFF800220
70CS0CTRL2_D: .long 0x00004000
71
72CSPWCR0_A: .long 0xFF800280
73CSPWCR0_D: .long 0x00000000
74CSPWCR1_A: .long 0xFF800284
75CSPWCR1_D: .long 0x00000000
76CS1GDST_A: .long 0xFF8002C0
77CS1GDST_D: .long 0x00000011
78
79init_lbsc_533:
80
81 write32 CSWCR0_A, CSWCR0_D_533
82 write32 CSWCR1_A, CSWCR1_D
83
84 bra init_dbsc3_533_pad
85 nop
86
87 .align 2
88
89CSWCR0_A: .long 0xFF800230
90CSWCR0_D_533: .long 0x01120104
91CSWCR0_D_400: .long 0x02120114
92CSWCR1_A: .long 0xFF800234
93CSWCR1_D: .long 0x077F077F
94
95init_dbsc3_400_pad:
96
97 write32 DBPDCNT3_A, DBPDCNT3_D
98 wait_timer WAIT_200US_400
99
100 write32 DBPDCNT0_A, DBPDCNT0_D_400
101 write32 DBPDCNT3_A, DBPDCNT3_D0
102 write32 DBPDCNT1_A, DBPDCNT1_D
103
104 write32 DBPDCNT3_A, DBPDCNT3_D1
105 wait_timer WAIT_32MCLK
106
107 write32 DBPDCNT3_A, DBPDCNT3_D2
108 wait_timer WAIT_100US_400
109
110 write32 DBPDCNT3_A, DBPDCNT3_D3
111 wait_timer WAIT_16MCLK
112
113 write32 DBPDCNT3_A, DBPDCNT3_D4
114 wait_timer WAIT_200US_400
115
116 write32 DBPDCNT3_A, DBPDCNT3_D5
117 wait_timer WAIT_1MCLK
118
119 write32 DBPDCNT3_A, DBPDCNT3_D6
120 wait_timer WAIT_10KMCLK
121
122 bra init_dbsc3_ctrl_400
123 nop
124
125 .align 2
126
127init_dbsc3_533_pad:
128
129 write32 DBPDCNT3_A, DBPDCNT3_D
130 wait_timer WAIT_200US_533
131
132 write32 DBPDCNT0_A, DBPDCNT0_D_533
133 write32 DBPDCNT3_A, DBPDCNT3_D0
134 write32 DBPDCNT1_A, DBPDCNT1_D
135
136 write32 DBPDCNT3_A, DBPDCNT3_D1
137 wait_timer WAIT_32MCLK
138
139 write32 DBPDCNT3_A, DBPDCNT3_D2
140 wait_timer WAIT_100US_533
141
142 write32 DBPDCNT3_A, DBPDCNT3_D3
143 wait_timer WAIT_16MCLK
144
145 write32 DBPDCNT3_A, DBPDCNT3_D4
146 wait_timer WAIT_200US_533
147
148 write32 DBPDCNT3_A, DBPDCNT3_D5
149 wait_timer WAIT_1MCLK
150
151 write32 DBPDCNT3_A, DBPDCNT3_D6
152 wait_timer WAIT_10KMCLK
153
154 bra init_dbsc3_ctrl_533
155 nop
156
157 .align 2
158
159WAIT_200US_400: .long 40000
160WAIT_200US_533: .long 53300
161WAIT_100US_400: .long 20000
162WAIT_100US_533: .long 26650
163WAIT_32MCLK: .long 32
164WAIT_16MCLK: .long 16
165WAIT_1MCLK: .long 1
166WAIT_10KMCLK: .long 10000
167
168DBPDCNT0_A: .long 0xFE800200
169DBPDCNT0_D_533: .long 0x00010245
170DBPDCNT0_D_400: .long 0x00010235
171DBPDCNT1_A: .long 0xFE800204
172DBPDCNT1_D: .long 0x00000014
173DBPDCNT3_A: .long 0xFE80020C
174DBPDCNT3_D: .long 0x80000000
175DBPDCNT3_D0: .long 0x800F0000
176DBPDCNT3_D1: .long 0x800F1000
177DBPDCNT3_D2: .long 0x820F1000
178DBPDCNT3_D3: .long 0x860F1000
179DBPDCNT3_D4: .long 0x870F1000
180DBPDCNT3_D5: .long 0x870F3000
181DBPDCNT3_D6: .long 0x870F7000
182
183init_dbsc3_ctrl_400:
184
185 write32 DBKIND_A, DBKIND_D
186 write32 DBCONF_A, DBCONF_D
187
188 write32 DBTR0_A, DBTR0_D_400
189 write32 DBTR1_A, DBTR1_D_400
190 write32 DBTR2_A, DBTR2_D
191 write32 DBTR3_A, DBTR3_D_400
192 write32 DBTR4_A, DBTR4_D_400
193 write32 DBTR5_A, DBTR5_D_400
194 write32 DBTR6_A, DBTR6_D_400
195 write32 DBTR7_A, DBTR7_D
196 write32 DBTR8_A, DBTR8_D_400
197 write32 DBTR9_A, DBTR9_D
198 write32 DBTR10_A, DBTR10_D_400
199 write32 DBTR11_A, DBTR11_D
200 write32 DBTR12_A, DBTR12_D_400
201 write32 DBTR13_A, DBTR13_D_400
202 write32 DBTR14_A, DBTR14_D
203 write32 DBTR15_A, DBTR15_D
204 write32 DBTR16_A, DBTR16_D_400
205 write32 DBTR17_A, DBTR17_D_400
206 write32 DBTR18_A, DBTR18_D_400
207
208 write32 DBBL_A, DBBL_D
209 write32 DBRNK0_A, DBRNK0_D
210
211 write32 DBCMD_A, DBCMD_D0_400
212 write32 DBCMD_A, DBCMD_D1
213 write32 DBCMD_A, DBCMD_D2
214 write32 DBCMD_A, DBCMD_D3
215 write32 DBCMD_A, DBCMD_D4
216 write32 DBCMD_A, DBCMD_D5_400
217 write32 DBCMD_A, DBCMD_D6
218 write32 DBCMD_A, DBCMD_D7
219 write32 DBCMD_A, DBCMD_D8
220 write32 DBCMD_A, DBCMD_D9_400
221 write32 DBCMD_A, DBCMD_D10
222 write32 DBCMD_A, DBCMD_D11
223 write32 DBCMD_A, DBCMD_D12
224
225 write32 DBRFCNF0_A, DBRFCNF0_D
226 write32 DBRFCNF1_A, DBRFCNF1_D_400
227 write32 DBRFCNF2_A, DBRFCNF2_D
228 write32 DBRFEN_A, DBRFEN_D
229 write32 DBACEN_A, DBACEN_D
230 write32 DBACEN_A, DBACEN_D
231
232 /* Dummy read */
233 mov.l DBWAIT_A, r1
234 synco
235 mov.l @r1, r0
236 synco
237
238 /* Dummy read */
239 mov.l SDRAM_A, r1
240 synco
241 mov.l @r1, r0
242 synco
243
244 /* need sleep 186A0 */
245
246 bra finish_init_sh7734
247 nop
248
249 .align 2
250
251init_dbsc3_ctrl_533:
252
253 write32 DBKIND_A, DBKIND_D
254 write32 DBCONF_A, DBCONF_D
255
256 write32 DBTR0_A, DBTR0_D_533
257 write32 DBTR1_A, DBTR1_D_533
258 write32 DBTR2_A, DBTR2_D
259 write32 DBTR3_A, DBTR3_D_533
260 write32 DBTR4_A, DBTR4_D_533
261 write32 DBTR5_A, DBTR5_D_533
262 write32 DBTR6_A, DBTR6_D_533
263 write32 DBTR7_A, DBTR7_D
264 write32 DBTR8_A, DBTR8_D_533
265 write32 DBTR9_A, DBTR9_D
266 write32 DBTR10_A, DBTR10_D_533
267 write32 DBTR11_A, DBTR11_D
268 write32 DBTR12_A, DBTR12_D_533
269 write32 DBTR13_A, DBTR13_D_533
270 write32 DBTR14_A, DBTR14_D
271 write32 DBTR15_A, DBTR15_D
272 write32 DBTR16_A, DBTR16_D_533
273 write32 DBTR17_A, DBTR17_D_533
274 write32 DBTR18_A, DBTR18_D_533
275
276 write32 DBBL_A, DBBL_D
277 write32 DBRNK0_A, DBRNK0_D
278
279 write32 DBCMD_A, DBCMD_D0_533
280 write32 DBCMD_A, DBCMD_D1
281 write32 DBCMD_A, DBCMD_D2
282 write32 DBCMD_A, DBCMD_D3
283 write32 DBCMD_A, DBCMD_D4
284 write32 DBCMD_A, DBCMD_D5_533
285 write32 DBCMD_A, DBCMD_D6
286 write32 DBCMD_A, DBCMD_D7
287 write32 DBCMD_A, DBCMD_D8
288 write32 DBCMD_A, DBCMD_D9_533
289 write32 DBCMD_A, DBCMD_D10
290 write32 DBCMD_A, DBCMD_D11
291 write32 DBCMD_A, DBCMD_D12
292
293 write32 DBRFCNF0_A, DBRFCNF0_D
294 write32 DBRFCNF1_A, DBRFCNF1_D_533
295 write32 DBRFCNF2_A, DBRFCNF2_D
296 write32 DBRFEN_A, DBRFEN_D
297 write32 DBACEN_A, DBACEN_D
298 write32 DBACEN_A, DBACEN_D
299
300 /* Dummy read */
301 mov.l DBWAIT_A, r1
302 synco
303 mov.l @r1, r0
304 synco
305
306 /* Dummy read */
307 mov.l SDRAM_A, r1
308 synco
309 mov.l @r1, r0
310 synco
311
312 /* need sleep 186A0 */
313
314 bra finish_init_sh7734
315 nop
316
317 .align 2
318
319DBKIND_A: .long 0xFE800020
320DBKIND_D: .long 0x00000005
321DBCONF_A: .long 0xFE800024
Nobuhiro Iwamatsu49c9c7a2012-09-06 09:35:10 +0900[diff] [blame]322DBCONF_D: .long 0x0D020A01
Nobuhiro Iwamatsuaf2db2c2012-05-09 15:59:30 +0900[diff] [blame]323
324DBTR0_A: .long 0xFE800040
325DBTR0_D_533:.long 0x00000004
326DBTR0_D_400:.long 0x00000003
327DBTR1_A: .long 0xFE800044
328DBTR1_D_533:.long 0x00000003
329DBTR1_D_400:.long 0x00000002
330DBTR2_A: .long 0xFE800048
331DBTR2_D: .long 0x00000000
332DBTR3_A: .long 0xFE800050
333DBTR3_D_533:.long 0x00000004
334DBTR3_D_400:.long 0x00000003
335
336DBTR4_A: .long 0xFE800054
337DBTR4_D_533:.long 0x00050004
338DBTR4_D_400:.long 0x00050003
339
340DBTR5_A: .long 0xFE800058
341DBTR5_D_533:.long 0x0000000F
342DBTR5_D_400:.long 0x0000000B
343
344DBTR6_A: .long 0xFE80005C
345DBTR6_D_533:.long 0x0000000B
346DBTR6_D_400:.long 0x00000008
347
348DBTR7_A: .long 0xFE800060
349DBTR7_D: .long 0x00000002
350
351DBTR8_A: .long 0xFE800064
352DBTR8_D_533:.long 0x0000000D
353DBTR8_D_400:.long 0x0000000A
354
355DBTR9_A: .long 0xFE800068
356DBTR9_D: .long 0x00000002
357
358DBTR10_A: .long 0xFE80006C
359DBTR10_D_533:.long 0x00000004
360DBTR10_D_400:.long 0x00000003
361
362DBTR11_A: .long 0xFE800070
363DBTR11_D: .long 0x00000008
364
365DBTR12_A: .long 0xFE800074
366DBTR12_D_533:.long 0x00000009
367DBTR12_D_400:.long 0x00000008
368
369DBTR13_A: .long 0xFE800078
370DBTR13_D_533:.long 0x00000022
371DBTR13_D_400:.long 0x0000001A
372
373DBTR14_A: .long 0xFE80007C
374DBTR14_D: .long 0x00070002
375
376DBTR15_A: .long 0xFE800080
377DBTR15_D: .long 0x00000003
378
379DBTR16_A: .long 0xFE800084
380DBTR16_D_533:.long 0x120A1001
381DBTR16_D_400:.long 0x12091001
382
383DBTR17_A: .long 0xFE800088
384DBTR17_D_533:.long 0x00040000
385DBTR17_D_400:.long 0x00030000
386
387DBTR18_A: .long 0xFE80008C
388DBTR18_D_533:.long 0x02010200
389DBTR18_D_400:.long 0x02000207
390
391DBBL_A: .long 0xFE8000B0
392DBBL_D: .long 0x00000000
393
394DBRNK0_A: .long 0xFE800100
395DBRNK0_D: .long 0x00000001
396
397DBCMD_A: .long 0xFE800018
398DBCMD_D0_533: .long 0x1100006B
399DBCMD_D0_400: .long 0x11000050
400DBCMD_D1: .long 0x0B000000
401DBCMD_D2: .long 0x2A004000
402DBCMD_D3: .long 0x2B006000
403DBCMD_D4: .long 0x29002044
404DBCMD_D5_533: .long 0x28000743
405DBCMD_D5_400: .long 0x28000533
406DBCMD_D6: .long 0x0B000000
407DBCMD_D7: .long 0x0C000000
408DBCMD_D8: .long 0x0C000000
409DBCMD_D9_533: .long 0x28000643
410DBCMD_D9_400: .long 0x28000433
411DBCMD_D10: .long 0x000000C8
412DBCMD_D11: .long 0x290023C4
413DBCMD_D12: .long 0x29002004
414
415DBRFCNF0_A: .long 0xFE8000E0
416DBRFCNF0_D: .long 0x000001FF
417DBRFCNF1_A: .long 0xFE8000E4
418DBRFCNF1_D_533: .long 0x00000805
419DBRFCNF1_D_400: .long 0x00000618
420
421DBRFCNF2_A: .long 0xFE8000E8
422DBRFCNF2_D: .long 0x00000000
423
424DBRFEN_A: .long 0xFE800014
425DBRFEN_D: .long 0x00000001
426
427DBACEN_A: .long 0xFE800010
428DBACEN_D: .long 0x00000001
429
430DBWAIT_A: .long 0xFE80001C
431SDRAM_A: .long 0x0C000000
432
433finish_init_sh7734:
434 write32 CCR_A, CCR_D
435
436 stc sr, r0
437 mov.l SR_MASK_D, r1
438 and r1, r0
439 ldc r0, sr
440
441 rts
442 nop
443
444 .align 2
445
446CCR_A: .long 0xFF00001C
447CCR_D: .long 0x0000090B
448SR_MASK_D: .long 0xEFFFFF0F