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gerrit.cesnet.cz / github / trini / u-boot / 9f2ec3f5431281a480c89107cb952ca5571d78e7 / . / board / espt / lowlevel_init.S
blob: c1d09663d4c763ebac4770fcfc526b6ca4595c89 [file] [log] [blame]
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]1/*
2 * Copyright (C) 2009 Renesas Solutions Corp.
3 * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
4 *
5 * board/espt/lowlevel_init.S
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]7 * SPDX-License-Identifier: GPL-2.0+
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]8 */
9
10#include <config.h>
11#include <version.h>
12#include <asm/processor.h>
13#include <asm/macro.h>
14
15 .global lowlevel_init
16
17 .text
18 .align 2
19
20lowlevel_init:
21
22 write32 WDTCSR_A, WDTCSR_D
23
24 write32 WDTST_A, WDTST_D
25
26 write32 WDTBST_A, WDTBST_D
27
28 write32 CCR_A, CCR_CACHE_ICI_D
29
30 write32 MMUCR_A, MMU_CONTROL_TI_D
31
32 write32 MSTPCR0_A, MSTPCR0_D
33
34 write32 MSTPCR1_A, MSTPCR1_D
35
36 write32 RAMCR_A, RAMCR_D
37
38 /*
39 * Setting infomation from
40 * original ESPT-GIGA bootloader register
41 */
42 write32 MMSEL_A, MMSEL_D
43
44 /* dummy */
45 mov.l @r1, r2
46 mov.l @r1, r2
47 synco
48
49 write32 BCR_A, BCR_D
50
51 write32 CS0BCR_A, CS0BCR_D
52
53 write32 CS0WCR_A, CS0WCR_D
54
55 /*
56 * DDR-SDRAM setting
57 */
58
59 /* set DDR-SDRAM dummy read */
60 write32 MMSEL_A, MMSEL_D
61
Nobuhiro Iwamatsu59434fe2009-10-30 10:16:27 +0900[diff] [blame]62 write32 MMSEL_A, CS0_A
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]63
64 /* set DDR-SDRAM bus/endian etc */
65 write32 MIM_U_A, MIM_U_D
66
67 write32 MIM_L_A, MIM_L_D0
68
69 write32 SDR_L_A, SDR_L_A_D0
70
71 write32 STR_L_A, STR_L_A_D0
72
73 /* DDR-SDRAM access control */
74 write32 MIM_L_A, MIM_L_D1
75
76 write32 SCR_L_A, SCR_L_A_D0
77
78 write32 SCR_L_A, SCR_L_A_D1
79
80 write32 EMRS_A, EMRS_D
81
82 write32 MRS1_A, MRS1_D
83
84 write32 MIM_U_A, MIM_U_D
85
86 write32 MIM_L_A, MIM_L_A_D2
87
88 write32 SCR_L_A, SCR_L_A_D2
89
90 write32 SCR_L_A, SCR_L_A_D2
91
92 write32 MRS2_A, MRS2_D
93
94 /* wait 200us */
95 wait_timer REPEAT_R3
96
97 /* GPIO setting */
98 write16 PSEL0_A, PSEL0_D
99
100 write16 PSEL1_A, PSEL1_D
101
102 write16 PSEL2_A, PSEL2_D
103
104 write16 PSEL3_A, PSEL3_D
105
106 write16 PSEL4_A, PSEL4_D
107
108 write8 PADR_A, PADR_D
109
110 write16 PACR_A, PACR_D
111
112 write8 PBDR_A, PBDR_D
113
114 write16 PBCR_A, PBCR_D
115
116 write8 PCDR_A, PCDR_D
117
118 write16 PCCR_A, PCCR_D
119
120 write8 PDDR_A, PDDR_D
121
122 write16 PDCR_A, PDCR_D
123
124 write16 PECR_A, PECR_D
125
126 write16 PFCR_A, PFCR_D
127
128 write16 PGCR_A, PGCR_D
129
130 write16 PHCR_A, PHCR_D
131
132 write16 PICR_A, PICR_D
133
134 write8 PJDR_A, PJDR_D
135
136 write16 PJCR_A, PJCR_D
137
138 /* wait 50us */
139 wait_timer REPEAT_R3
140
141 write8 PKDR_A, PKDR_D
142
143 write16 PKCR_A, PKCR_D
144
145 write16 PLCR_A, PLCR_D
146
147 write16 PMCR_A, PMCR_D
148
149 write16 PNCR_A, PNCR_D
150
151 write16 POCR_A, POCR_D
152
153
154 /* ICR0 ,ICR1 */
155 write32 ICR0_A, ICR0_D
156
157 write32 ICR1_A, ICR1_D
158
159 /* USB Host */
160 write32 USB_USBHSC_A, USB_USBHSC_D
161
162 write32 CCR_A, CCR_CACHE_D_2
163
164 rts
165 nop
166
167 .align 2
168
169/* GPIO Crontrol Register */
170PACR_A: .long 0xFFEF0000
171PBCR_A: .long 0xFFEF0002
172PCCR_A: .long 0xFFEF0004
173PDCR_A: .long 0xFFEF0006
174PECR_A: .long 0xFFEF0008
175PFCR_A: .long 0xFFEF000A
176PGCR_A: .long 0xFFEF000C
177PHCR_A: .long 0xFFEF000E
178PICR_A: .long 0xFFEF0010
179PJCR_A: .long 0xFFEF0012
180PKCR_A: .long 0xFFEF0014
181PLCR_A: .long 0xFFEF0016
182PMCR_A: .long 0xFFEF0018
183PNCR_A: .long 0xFFEF001A
184POCR_A: .long 0xFFEF001C
185
186/* GPIO Data Register */
187PADR_A: .long 0xFFEF0020
188PBDR_A: .long 0xFFEF0022
189PCDR_A: .long 0xFFEF0024
190PDDR_A: .long 0xFFEF0026
191PJDR_A: .long 0xFFEF0032
192PKDR_A: .long 0xFFEF0034
193
194/* GPIO Set data */
195PADR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]196PACR_D: .word 0x1400
197.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]198PBDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]199PBCR_D: .word 0x555A
200.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]201PCDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]202PCCR_D: .word 0x5555
203.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]204PDDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]205PDCR_D: .word 0x0155
206PECR_D: .word 0x0000
207PFCR_D: .word 0x0000
208PGCR_D: .word 0x0000
209PHCR_D: .word 0x0000
210PICR_D: .word 0x0800
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]211PJDR_D: .long 0x00000006
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]212PJCR_D: .word 0x5A57
213.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]214PKDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]215PKCR_D: .word 0xFFF9
216.align 2
217PLCR_D: .word 0xC330
218PMCR_D: .word 0xFFFF
219PNCR_D: .word 0x0242
220POCR_D: .word 0x0000
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]221
222/* Pin Select */
223PSEL0_A: .long 0xFFEF0070
224PSEL1_A: .long 0xFFEF0072
225PSEL2_A: .long 0xFFEF0074
226PSEL3_A: .long 0xFFEF0076
227PSEL4_A: .long 0xFFEF0078
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]228PSEL0_D: .word 0x0001
229PSEL1_D: .word 0x2400
230PSEL2_D: .word 0x0000
231PSEL3_D: .word 0x2421
232PSEL4_D: .word 0x0000
233.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]234
235MMSEL_A: .long 0xFE600020
236BCR_A: .long 0xFF801000
237CS0BCR_A: .long 0xFF802000
238CS0WCR_A: .long 0xFF802008
239ICR0_A: .long 0xFFD00000
240ICR1_A: .long 0xFFD0001C
241
242MMSEL_D: .long 0xA5A50000
243BCR_D: .long 0x05000000
244CS0BCR_D: .long 0x232306F0
245CS0WCR_D: .long 0x00011104
246ICR0_D: .long 0x80C00000
247ICR1_D: .long 0x00020000
248
249/* RWBT Address */
250WDTST_A: .long 0xFFCC0000
251WDTCSR_A: .long 0xFFCC0004
252WDTBST_A: .long 0xFFCC0008
253/* RWBT Data */
254WDTST_D: .long 0x5A000FFF
255WDTCSR_D: .long 0xA5000000
256WDTBST_D: .long 0x55000000
257
258/* Cache Address */
259CCR_A: .long 0xFF00001C
260MMUCR_A: .long 0xFF000010
261RAMCR_A: .long 0xFF000074
262
263/* Cache Data */
264CCR_CACHE_ICI_D:.long 0x00000800
265CCR_CACHE_D_2: .long 0x00000103
266MMU_CONTROL_TI_D:.long 0x00000004
267RAMCR_D: .long 0x00000200
268
269/* Low power mode control Address */
270MSTPCR0_A: .long 0xFFC80030
271MSTPCR1_A: .long 0xFFC80038
272/* Low power mode control Data */
273MSTPCR0_D: .long 0x00000000
274MSTPCR1_D: .long 0x00000000
275
276REPEAT0_R3: .long 0x00002000
277REPEAT_R3: .long 0x00000200
278CS0_A: .long 0xA8000000
279
280MIM_U_A: .long 0xFE800008
281MIM_L_A: .long 0xFE80000C
282SCR_U_A: .long 0xFE800010
283SCR_L_A: .long 0xFE800014
284STR_U_A: .long 0xFE800018
285STR_L_A: .long 0xFE80001C
286SDR_U_A: .long 0xFE800030
287SDR_L_A: .long 0xFE800034
288EMRS_A: .long 0xFE902000
289MRS1_A: .long 0xFE900B08
290MRS2_A: .long 0xFE900308
291
292MIM_U_D: .long 0x00000000
293MIM_L_D0: .long 0x04100008
294MIM_L_D1: .long 0x02EE0009
295MIM_L_D2: .long 0x02EE0209
296
297SDR_L_A_D0: .long 0x00000300
298STR_L_A_D0: .long 0x00010040
299MIM_L_A_D1: .long 0x04100009
300SCR_L_A_D0: .long 0x00000003
301SCR_L_A_D1: .long 0x00000002
302MIM_L_A_D2: .long 0x04100209
303SCR_L_A_D2: .long 0x00000004
304
305SCR_L_NORMAL: .long 0x00000000
306SCR_L_NOP: .long 0x00000001
307SCR_L_PALL: .long 0x00000002
308SCR_L_CKE_EN: .long 0x00000003
309SCR_L_CBR: .long 0x00000004
310
311STR_L_D: .long 0x000F3980
312SDR_L_D: .long 0x00000400
313EMRS_D: .long 0x00000000
314MRS1_D: .long 0x00000000
315MRS2_D: .long 0x00000000
316
317/* USB */
318USB_USBHSC_A: .long 0xFFEC80F0
319USB_USBHSC_D: .long 0x00000000