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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 922f735ecf0de23eb0e01c208f5b422f39f6aed9 / . / board / espt / lowlevel_init.S
blob: ec9fb883f5ae00f8a7309c7876df8b89a0dbe61f [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>
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]11#include <asm/processor.h>
12#include <asm/macro.h>
13
14 .global lowlevel_init
15
16 .text
17 .align 2
18
19lowlevel_init:
20
21 write32 WDTCSR_A, WDTCSR_D
22
23 write32 WDTST_A, WDTST_D
24
25 write32 WDTBST_A, WDTBST_D
26
27 write32 CCR_A, CCR_CACHE_ICI_D
28
29 write32 MMUCR_A, MMU_CONTROL_TI_D
30
31 write32 MSTPCR0_A, MSTPCR0_D
32
33 write32 MSTPCR1_A, MSTPCR1_D
34
35 write32 RAMCR_A, RAMCR_D
36
37 /*
38 * Setting infomation from
39 * original ESPT-GIGA bootloader register
40 */
41 write32 MMSEL_A, MMSEL_D
42
43 /* dummy */
44 mov.l @r1, r2
45 mov.l @r1, r2
46 synco
47
48 write32 BCR_A, BCR_D
49
50 write32 CS0BCR_A, CS0BCR_D
51
52 write32 CS0WCR_A, CS0WCR_D
53
54 /*
55 * DDR-SDRAM setting
56 */
57
58 /* set DDR-SDRAM dummy read */
59 write32 MMSEL_A, MMSEL_D
60
Nobuhiro Iwamatsu59434fe2009-10-30 10:16:27 +0900[diff] [blame]61 write32 MMSEL_A, CS0_A
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]62
63 /* set DDR-SDRAM bus/endian etc */
64 write32 MIM_U_A, MIM_U_D
65
66 write32 MIM_L_A, MIM_L_D0
67
68 write32 SDR_L_A, SDR_L_A_D0
69
70 write32 STR_L_A, STR_L_A_D0
71
72 /* DDR-SDRAM access control */
73 write32 MIM_L_A, MIM_L_D1
74
75 write32 SCR_L_A, SCR_L_A_D0
76
77 write32 SCR_L_A, SCR_L_A_D1
78
79 write32 EMRS_A, EMRS_D
80
81 write32 MRS1_A, MRS1_D
82
83 write32 MIM_U_A, MIM_U_D
84
85 write32 MIM_L_A, MIM_L_A_D2
86
87 write32 SCR_L_A, SCR_L_A_D2
88
89 write32 SCR_L_A, SCR_L_A_D2
90
91 write32 MRS2_A, MRS2_D
92
93 /* wait 200us */
94 wait_timer REPEAT_R3
95
96 /* GPIO setting */
97 write16 PSEL0_A, PSEL0_D
98
99 write16 PSEL1_A, PSEL1_D
100
101 write16 PSEL2_A, PSEL2_D
102
103 write16 PSEL3_A, PSEL3_D
104
105 write16 PSEL4_A, PSEL4_D
106
107 write8 PADR_A, PADR_D
108
109 write16 PACR_A, PACR_D
110
111 write8 PBDR_A, PBDR_D
112
113 write16 PBCR_A, PBCR_D
114
115 write8 PCDR_A, PCDR_D
116
117 write16 PCCR_A, PCCR_D
118
119 write8 PDDR_A, PDDR_D
120
121 write16 PDCR_A, PDCR_D
122
123 write16 PECR_A, PECR_D
124
125 write16 PFCR_A, PFCR_D
126
127 write16 PGCR_A, PGCR_D
128
129 write16 PHCR_A, PHCR_D
130
131 write16 PICR_A, PICR_D
132
133 write8 PJDR_A, PJDR_D
134
135 write16 PJCR_A, PJCR_D
136
137 /* wait 50us */
138 wait_timer REPEAT_R3
139
140 write8 PKDR_A, PKDR_D
141
142 write16 PKCR_A, PKCR_D
143
144 write16 PLCR_A, PLCR_D
145
146 write16 PMCR_A, PMCR_D
147
148 write16 PNCR_A, PNCR_D
149
150 write16 POCR_A, POCR_D
151
152
153 /* ICR0 ,ICR1 */
154 write32 ICR0_A, ICR0_D
155
156 write32 ICR1_A, ICR1_D
157
158 /* USB Host */
159 write32 USB_USBHSC_A, USB_USBHSC_D
160
161 write32 CCR_A, CCR_CACHE_D_2
162
163 rts
164 nop
165
166 .align 2
167
168/* GPIO Crontrol Register */
169PACR_A: .long 0xFFEF0000
170PBCR_A: .long 0xFFEF0002
171PCCR_A: .long 0xFFEF0004
172PDCR_A: .long 0xFFEF0006
173PECR_A: .long 0xFFEF0008
174PFCR_A: .long 0xFFEF000A
175PGCR_A: .long 0xFFEF000C
176PHCR_A: .long 0xFFEF000E
177PICR_A: .long 0xFFEF0010
178PJCR_A: .long 0xFFEF0012
179PKCR_A: .long 0xFFEF0014
180PLCR_A: .long 0xFFEF0016
181PMCR_A: .long 0xFFEF0018
182PNCR_A: .long 0xFFEF001A
183POCR_A: .long 0xFFEF001C
184
185/* GPIO Data Register */
186PADR_A: .long 0xFFEF0020
187PBDR_A: .long 0xFFEF0022
188PCDR_A: .long 0xFFEF0024
189PDDR_A: .long 0xFFEF0026
190PJDR_A: .long 0xFFEF0032
191PKDR_A: .long 0xFFEF0034
192
193/* GPIO Set data */
194PADR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]195PACR_D: .word 0x1400
196.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]197PBDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]198PBCR_D: .word 0x555A
199.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]200PCDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]201PCCR_D: .word 0x5555
202.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]203PDDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]204PDCR_D: .word 0x0155
205PECR_D: .word 0x0000
206PFCR_D: .word 0x0000
207PGCR_D: .word 0x0000
208PHCR_D: .word 0x0000
209PICR_D: .word 0x0800
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]210PJDR_D: .long 0x00000006
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]211PJCR_D: .word 0x5A57
212.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]213PKDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]214PKCR_D: .word 0xFFF9
215.align 2
216PLCR_D: .word 0xC330
217PMCR_D: .word 0xFFFF
218PNCR_D: .word 0x0242
219POCR_D: .word 0x0000
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]220
221/* Pin Select */
222PSEL0_A: .long 0xFFEF0070
223PSEL1_A: .long 0xFFEF0072
224PSEL2_A: .long 0xFFEF0074
225PSEL3_A: .long 0xFFEF0076
226PSEL4_A: .long 0xFFEF0078
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]227PSEL0_D: .word 0x0001
228PSEL1_D: .word 0x2400
229PSEL2_D: .word 0x0000
230PSEL3_D: .word 0x2421
231PSEL4_D: .word 0x0000
232.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]233
234MMSEL_A: .long 0xFE600020
235BCR_A: .long 0xFF801000
236CS0BCR_A: .long 0xFF802000
237CS0WCR_A: .long 0xFF802008
238ICR0_A: .long 0xFFD00000
239ICR1_A: .long 0xFFD0001C
240
241MMSEL_D: .long 0xA5A50000
242BCR_D: .long 0x05000000
243CS0BCR_D: .long 0x232306F0
244CS0WCR_D: .long 0x00011104
245ICR0_D: .long 0x80C00000
246ICR1_D: .long 0x00020000
247
248/* RWBT Address */
249WDTST_A: .long 0xFFCC0000
250WDTCSR_A: .long 0xFFCC0004
251WDTBST_A: .long 0xFFCC0008
252/* RWBT Data */
253WDTST_D: .long 0x5A000FFF
254WDTCSR_D: .long 0xA5000000
255WDTBST_D: .long 0x55000000
256
257/* Cache Address */
258CCR_A: .long 0xFF00001C
259MMUCR_A: .long 0xFF000010
260RAMCR_A: .long 0xFF000074
261
262/* Cache Data */
263CCR_CACHE_ICI_D:.long 0x00000800
264CCR_CACHE_D_2: .long 0x00000103
265MMU_CONTROL_TI_D:.long 0x00000004
266RAMCR_D: .long 0x00000200
267
268/* Low power mode control Address */
269MSTPCR0_A: .long 0xFFC80030
270MSTPCR1_A: .long 0xFFC80038
271/* Low power mode control Data */
272MSTPCR0_D: .long 0x00000000
273MSTPCR1_D: .long 0x00000000
274
275REPEAT0_R3: .long 0x00002000
276REPEAT_R3: .long 0x00000200
277CS0_A: .long 0xA8000000
278
279MIM_U_A: .long 0xFE800008
280MIM_L_A: .long 0xFE80000C
281SCR_U_A: .long 0xFE800010
282SCR_L_A: .long 0xFE800014
283STR_U_A: .long 0xFE800018
284STR_L_A: .long 0xFE80001C
285SDR_U_A: .long 0xFE800030
286SDR_L_A: .long 0xFE800034
287EMRS_A: .long 0xFE902000
288MRS1_A: .long 0xFE900B08
289MRS2_A: .long 0xFE900308
290
291MIM_U_D: .long 0x00000000
292MIM_L_D0: .long 0x04100008
293MIM_L_D1: .long 0x02EE0009
294MIM_L_D2: .long 0x02EE0209
295
296SDR_L_A_D0: .long 0x00000300
297STR_L_A_D0: .long 0x00010040
298MIM_L_A_D1: .long 0x04100009
299SCR_L_A_D0: .long 0x00000003
300SCR_L_A_D1: .long 0x00000002
301MIM_L_A_D2: .long 0x04100209
302SCR_L_A_D2: .long 0x00000004
303
304SCR_L_NORMAL: .long 0x00000000
305SCR_L_NOP: .long 0x00000001
306SCR_L_PALL: .long 0x00000002
307SCR_L_CKE_EN: .long 0x00000003
308SCR_L_CBR: .long 0x00000004
309
310STR_L_D: .long 0x000F3980
311SDR_L_D: .long 0x00000400
312EMRS_D: .long 0x00000000
313MRS1_D: .long 0x00000000
314MRS2_D: .long 0x00000000
315
316/* USB */
317USB_USBHSC_A: .long 0xFFEC80F0
318USB_USBHSC_D: .long 0x00000000