lowlevel_init.S
10.3 KB
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
/*
* Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <asm/processor.h>
#include <asm/macro.h>
#include <asm/processor.h>
.global lowlevel_init
.text
.align 2
lowlevel_init:
wait_timer WAIT_200US
wait_timer WAIT_200US
/*------- LBSC -------*/
write32 MMSELR_A, MMSELR_D
/*------- DBSC2 -------*/
write32 DBSC2_DBCONF_A, DBSC2_DBCONF_D
write32 DBSC2_DBTR0_A, DBSC2_DBTR0_D
write32 DBSC2_DBTR1_A, DBSC2_DBTR1_D
write32 DBSC2_DBTR2_A, DBSC2_DBTR2_D
write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D1
write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D2
wait_timer WAIT_200US
write32 DBSC2_DBDICODTOCD_A, DBSC2_DBDICODTOCD_D
write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_CKE_H
wait_timer WAIT_200US
write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS2
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS3
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_1
write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL
write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF
write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_2
wait_timer WAIT_200US
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_2
write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1
write32 DBSC2_DBEN_A, DBSC2_DBEN_D
write32 DBSC2_DBRFCNT1_A, DBSC2_DBRFCNT1_D
write32 DBSC2_DBRFCNT2_A, DBSC2_DBRFCNT2_D
write32 DBSC2_DBRFCNT0_A, DBSC2_DBRFCNT0_D
wait_timer WAIT_200US
/*------- GPIO -------*/
write16 PACR_A, PXCR_D
write16 PBCR_A, PXCR_D
write16 PCCR_A, PXCR_D
write16 PDCR_A, PXCR_D
write16 PECR_A, PXCR_D
write16 PFCR_A, PXCR_D
write16 PGCR_A, PXCR_D
write16 PHCR_A, PHCR_D
write16 PJCR_A, PJCR_D
write16 PKCR_A, PKCR_D
write16 PLCR_A, PXCR_D
write16 PMCR_A, PMCR_D
write16 PNCR_A, PNCR_D
write16 PPCR_A, PXCR_D
write16 PQCR_A, PXCR_D
write16 PRCR_A, PXCR_D
write8 PEPUPR_A, PEPUPR_D
write8 PHPUPR_A, PHPUPR_D
write8 PJPUPR_A, PJPUPR_D
write8 PKPUPR_A, PKPUPR_D
write8 PLPUPR_A, PLPUPR_D
write8 PMPUPR_A, PMPUPR_D
write8 PNPUPR_A, PNPUPR_D
write16 PPUPR1_A, PPUPR1_D
write16 PPUPR2_A, PPUPR2_D
write16 P1MSELR_A, P1MSELR_D
write16 P2MSELR_A, P2MSELR_D
/*------- LBSC -------*/
write32 BCR_A, BCR_D
write32 CS0BCR_A, CS0BCR_D
write32 CS0WCR_A, CS0WCR_D
write32 CS1BCR_A, CS1BCR_D
write32 CS1WCR_A, CS1WCR_D
write32 CS4BCR_A, CS4BCR_D
write32 CS4WCR_A, CS4WCR_D
mov.l PASCR_A, r0
mov.l @r0, r2
mov.l PASCR_32BIT_MODE, r1
tst r1, r2
bt lbsc_29bit
write32 CS2BCR_A, CS_USB_BCR_D
write32 CS2WCR_A, CS_USB_WCR_D
write32 CS3BCR_A, CS_SD_BCR_D
write32 CS3WCR_A, CS_SD_WCR_D
write32 CS5BCR_A, CS_I2C_BCR_D
write32 CS5WCR_A, CS_I2C_WCR_D
write32 CS6BCR_A, CS0BCR_D
write32 CS6WCR_A, CS0WCR_D
bra lbsc_end
nop
lbsc_29bit:
write32 CS5BCR_A, CS_USB_BCR_D
write32 CS5WCR_A, CS_USB_WCR_D
write32 CS6BCR_A, CS_SD_BCR_D
write32 CS6WCR_A, CS_SD_WCR_D
lbsc_end:
#if defined(CONFIG_SH_32BIT)
/*------- set PMB -------*/
write32 PASCR_A, PASCR_29BIT_D
write32 MMUCR_A, MMUCR_D
/*****************************************************************
* ent virt phys v sz c wt
* 0 0xa0000000 0x00000000 1 64M 0 0
* 1 0xa4000000 0x04000000 1 16M 0 0
* 2 0xa6000000 0x08000000 1 16M 0 0
* 9 0x88000000 0x48000000 1 128M 1 1
* 10 0x90000000 0x50000000 1 128M 1 1
* 11 0x98000000 0x58000000 1 128M 1 1
* 13 0xa8000000 0x48000000 1 128M 0 0
* 14 0xb0000000 0x50000000 1 128M 0 0
* 15 0xb8000000 0x58000000 1 128M 0 0
*/
write32 PMB_ADDR_FLASH_A, PMB_ADDR_FLASH_D
write32 PMB_DATA_FLASH_A, PMB_DATA_FLASH_D
write32 PMB_ADDR_CPLD_A, PMB_ADDR_CPLD_D
write32 PMB_DATA_CPLD_A, PMB_DATA_CPLD_D
write32 PMB_ADDR_USB_A, PMB_ADDR_USB_D
write32 PMB_DATA_USB_A, PMB_DATA_USB_D
write32 PMB_ADDR_DDR_C1_A, PMB_ADDR_DDR_C1_D
write32 PMB_DATA_DDR_C1_A, PMB_DATA_DDR_C1_D
write32 PMB_ADDR_DDR_C2_A, PMB_ADDR_DDR_C2_D
write32 PMB_DATA_DDR_C2_A, PMB_DATA_DDR_C2_D
write32 PMB_ADDR_DDR_C3_A, PMB_ADDR_DDR_C3_D
write32 PMB_DATA_DDR_C3_A, PMB_DATA_DDR_C3_D
write32 PMB_ADDR_DDR_N1_A, PMB_ADDR_DDR_N1_D
write32 PMB_DATA_DDR_N1_A, PMB_DATA_DDR_N1_D
write32 PMB_ADDR_DDR_N2_A, PMB_ADDR_DDR_N2_D
write32 PMB_DATA_DDR_N2_A, PMB_DATA_DDR_N2_D
write32 PMB_ADDR_DDR_N3_A, PMB_ADDR_DDR_N3_D
write32 PMB_DATA_DDR_N3_A, PMB_DATA_DDR_N3_D
write32 PASCR_A, PASCR_INIT
mov.l DUMMY_ADDR, r0
icbi @r0
#endif
write32 CCR_A, CCR_D
rts
nop
.align 4
/*------- GPIO -------*/
/* P{A,B C,D,E,F,G,L,P,Q,R}CR_D */
PXCR_D: .word 0x0000
PHCR_D: .word 0x00c0
PJCR_D: .word 0xc3fc
PKCR_D: .word 0x03ff
PMCR_D: .word 0xffff
PNCR_D: .word 0xf0c3
PEPUPR_D: .long 0xff
PHPUPR_D: .long 0x00
PJPUPR_D: .long 0x00
PKPUPR_D: .long 0x00
PLPUPR_D: .long 0x00
PMPUPR_D: .long 0xfc
PNPUPR_D: .long 0x00
PPUPR1_D: .word 0xffbf
PPUPR2_D: .word 0xff00
P1MSELR_D: .word 0x3780
P2MSELR_D: .word 0x0000
#define GPIO_BASE 0xffe70000
PACR_A: .long GPIO_BASE + 0x00
PBCR_A: .long GPIO_BASE + 0x02
PCCR_A: .long GPIO_BASE + 0x04
PDCR_A: .long GPIO_BASE + 0x06
PECR_A: .long GPIO_BASE + 0x08
PFCR_A: .long GPIO_BASE + 0x0a
PGCR_A: .long GPIO_BASE + 0x0c
PHCR_A: .long GPIO_BASE + 0x0e
PJCR_A: .long GPIO_BASE + 0x10
PKCR_A: .long GPIO_BASE + 0x12
PLCR_A: .long GPIO_BASE + 0x14
PMCR_A: .long GPIO_BASE + 0x16
PNCR_A: .long GPIO_BASE + 0x18
PPCR_A: .long GPIO_BASE + 0x1a
PQCR_A: .long GPIO_BASE + 0x1c
PRCR_A: .long GPIO_BASE + 0x1e
PEPUPR_A: .long GPIO_BASE + 0x48
PHPUPR_A: .long GPIO_BASE + 0x4e
PJPUPR_A: .long GPIO_BASE + 0x50
PKPUPR_A: .long GPIO_BASE + 0x52
PLPUPR_A: .long GPIO_BASE + 0x54
PMPUPR_A: .long GPIO_BASE + 0x56
PNPUPR_A: .long GPIO_BASE + 0x58
PPUPR1_A: .long GPIO_BASE + 0x60
PPUPR2_A: .long GPIO_BASE + 0x62
P1MSELR_A: .long GPIO_BASE + 0x80
P2MSELR_A: .long GPIO_BASE + 0x82
MMSELR_A: .long 0xfc400020
#if defined(CONFIG_SH_32BIT)
MMSELR_D: .long 0xa5a50005
#else
MMSELR_D: .long 0xa5a50002
#endif
/*------- DBSC2 -------*/
#define DBSC2_BASE 0xfe800000
DBSC2_DBSTATE_A: .long DBSC2_BASE + 0x0c
DBSC2_DBEN_A: .long DBSC2_BASE + 0x10
DBSC2_DBCMDCNT_A: .long DBSC2_BASE + 0x14
DBSC2_DBCONF_A: .long DBSC2_BASE + 0x20
DBSC2_DBTR0_A: .long DBSC2_BASE + 0x30
DBSC2_DBTR1_A: .long DBSC2_BASE + 0x34
DBSC2_DBTR2_A: .long DBSC2_BASE + 0x38
DBSC2_DBRFCNT0_A: .long DBSC2_BASE + 0x40
DBSC2_DBRFCNT1_A: .long DBSC2_BASE + 0x44
DBSC2_DBRFCNT2_A: .long DBSC2_BASE + 0x48
DBSC2_DBRFSTS_A: .long DBSC2_BASE + 0x4c
DBSC2_DBFREQ_A: .long DBSC2_BASE + 0x50
DBSC2_DBDICODTOCD_A:.long DBSC2_BASE + 0x54
DBSC2_DBMRCNT_A: .long DBSC2_BASE + 0x60
DDR_DUMMY_ACCESS_A: .long 0x40000000
DBSC2_DBCONF_D: .long 0x00630002
DBSC2_DBTR0_D: .long 0x050b1f04
DBSC2_DBTR1_D: .long 0x00040204
DBSC2_DBTR2_D: .long 0x02100308
DBSC2_DBFREQ_D1: .long 0x00000000
DBSC2_DBFREQ_D2: .long 0x00000100
DBSC2_DBDICODTOCD_D:.long 0x000f0907
DBSC2_DBCMDCNT_D_CKE_H: .long 0x00000003
DBSC2_DBCMDCNT_D_PALL: .long 0x00000002
DBSC2_DBCMDCNT_D_REF: .long 0x00000004
DBSC2_DBMRCNT_D_EMRS2: .long 0x00020000
DBSC2_DBMRCNT_D_EMRS3: .long 0x00030000
DBSC2_DBMRCNT_D_EMRS1_1: .long 0x00010006
DBSC2_DBMRCNT_D_EMRS1_2: .long 0x00010386
DBSC2_DBMRCNT_D_MRS_1: .long 0x00000952
DBSC2_DBMRCNT_D_MRS_2: .long 0x00000852
DBSC2_DBEN_D: .long 0x00000001
DBSC2_DBPDCNT0_D3: .long 0x00000080
DBSC2_DBRFCNT1_D: .long 0x00000926
DBSC2_DBRFCNT2_D: .long 0x00fe00fe
DBSC2_DBRFCNT0_D: .long 0x00010000
WAIT_200US: .long 33333
/*------- LBSC -------*/
PASCR_A: .long 0xff000070
PASCR_32BIT_MODE: .long 0x80000000 /* check booting mode */
BCR_A: .long BCR
CS0BCR_A: .long CS0BCR
CS0WCR_A: .long CS0WCR
CS1BCR_A: .long CS1BCR
CS1WCR_A: .long CS1WCR
CS2BCR_A: .long CS2BCR
CS2WCR_A: .long CS2WCR
CS3BCR_A: .long CS3BCR
CS3WCR_A: .long CS3WCR
CS4BCR_A: .long CS4BCR
CS4WCR_A: .long CS4WCR
CS5BCR_A: .long CS5BCR
CS5WCR_A: .long CS5WCR
CS6BCR_A: .long CS6BCR
CS6WCR_A: .long CS6WCR
BCR_D: .long 0x80000003
CS0BCR_D: .long 0x22222340
CS0WCR_D: .long 0x00111118
CS1BCR_D: .long 0x11111100
CS1WCR_D: .long 0x33333303
CS4BCR_D: .long 0x11111300
CS4WCR_D: .long 0x00101012
/* USB setting : 32bit mode = CS2, 29bit mode = CS5 */
CS_USB_BCR_D: .long 0x11111200
CS_USB_WCR_D: .long 0x00020005
/* SD setting : 32bit mode = CS3, 29bit mode = CS6 */
CS_SD_BCR_D: .long 0x00000300
CS_SD_WCR_D: .long 0x00030108
/* I2C setting : 32bit mode = CS5, 29bit mode = CS1(already setting) */
CS_I2C_BCR_D: .long 0x11111100
CS_I2C_WCR_D: .long 0x00000003
#if defined(CONFIG_SH_32BIT)
/*------- set PMB -------*/
PMB_ADDR_FLASH_A: .long PMB_ADDR_BASE(0)
PMB_ADDR_CPLD_A: .long PMB_ADDR_BASE(1)
PMB_ADDR_USB_A: .long PMB_ADDR_BASE(2)
PMB_ADDR_DDR_C1_A: .long PMB_ADDR_BASE(9)
PMB_ADDR_DDR_C2_A: .long PMB_ADDR_BASE(10)
PMB_ADDR_DDR_C3_A: .long PMB_ADDR_BASE(11)
PMB_ADDR_DDR_N1_A: .long PMB_ADDR_BASE(13)
PMB_ADDR_DDR_N2_A: .long PMB_ADDR_BASE(14)
PMB_ADDR_DDR_N3_A: .long PMB_ADDR_BASE(15)
PMB_ADDR_FLASH_D: .long mk_pmb_addr_val(0xa0)
PMB_ADDR_CPLD_D: .long mk_pmb_addr_val(0xa4)
PMB_ADDR_USB_D: .long mk_pmb_addr_val(0xa6)
PMB_ADDR_DDR_C1_D: .long mk_pmb_addr_val(0x88)
PMB_ADDR_DDR_C2_D: .long mk_pmb_addr_val(0x90)
PMB_ADDR_DDR_C3_D: .long mk_pmb_addr_val(0x98)
PMB_ADDR_DDR_N1_D: .long mk_pmb_addr_val(0xa8)
PMB_ADDR_DDR_N2_D: .long mk_pmb_addr_val(0xb0)
PMB_ADDR_DDR_N3_D: .long mk_pmb_addr_val(0xb8)
PMB_DATA_FLASH_A: .long PMB_DATA_BASE(0)
PMB_DATA_CPLD_A: .long PMB_DATA_BASE(1)
PMB_DATA_USB_A: .long PMB_DATA_BASE(2)
PMB_DATA_DDR_C1_A: .long PMB_DATA_BASE(9)
PMB_DATA_DDR_C2_A: .long PMB_DATA_BASE(10)
PMB_DATA_DDR_C3_A: .long PMB_DATA_BASE(11)
PMB_DATA_DDR_N1_A: .long PMB_DATA_BASE(13)
PMB_DATA_DDR_N2_A: .long PMB_DATA_BASE(14)
PMB_DATA_DDR_N3_A: .long PMB_DATA_BASE(15)
/* ppn ub v s1 s0 c wt */
PMB_DATA_FLASH_D: .long mk_pmb_data_val(0x00, 1, 1, 0, 1, 0, 1)
PMB_DATA_CPLD_D: .long mk_pmb_data_val(0x04, 1, 1, 0, 0, 0, 1)
PMB_DATA_USB_D: .long mk_pmb_data_val(0x08, 1, 1, 0, 0, 0, 1)
PMB_DATA_DDR_C1_D: .long mk_pmb_data_val(0x48, 0, 1, 1, 0, 1, 1)
PMB_DATA_DDR_C2_D: .long mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1)
PMB_DATA_DDR_C3_D: .long mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1)
PMB_DATA_DDR_N1_D: .long mk_pmb_data_val(0x48, 1, 1, 1, 0, 0, 1)
PMB_DATA_DDR_N2_D: .long mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1)
PMB_DATA_DDR_N3_D: .long mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1)
DUMMY_ADDR: .long 0xa0000000
PASCR_29BIT_D: .long 0x00000000
PASCR_INIT: .long 0x80000080 /* check booting mode */
MMUCR_A: .long 0xff000010
MMUCR_D: .long 0x00000004 /* clear ITLB */
#endif /* CONFIG_SH_32BIT */
CCR_A: .long 0xff00001c
CCR_D: .long 0x0000090b