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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 8bbfb40e572ddb8a11482ca513131e21a75e99de / . / board / espt / lowlevel_init.S
blob: 0a44487fb2ee316d2c1bced2e754b4d5f64197cf [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]2/*
3 * Copyright (C) 2009 Renesas Solutions Corp.
4 * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
5 *
6 * board/espt/lowlevel_init.S
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]7 */
8
9#include <config.h>
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]10#include <asm/processor.h>
11#include <asm/macro.h>
12
13 .global lowlevel_init
14
15 .text
16 .align 2
17
18lowlevel_init:
19
20 write32 WDTCSR_A, WDTCSR_D
21
22 write32 WDTST_A, WDTST_D
23
24 write32 WDTBST_A, WDTBST_D
25
26 write32 CCR_A, CCR_CACHE_ICI_D
27
28 write32 MMUCR_A, MMU_CONTROL_TI_D
29
30 write32 MSTPCR0_A, MSTPCR0_D
31
32 write32 MSTPCR1_A, MSTPCR1_D
33
34 write32 RAMCR_A, RAMCR_D
35
36 /*
37 * Setting infomation from
38 * original ESPT-GIGA bootloader register
39 */
40 write32 MMSEL_A, MMSEL_D
41
42 /* dummy */
43 mov.l @r1, r2
44 mov.l @r1, r2
45 synco
46
47 write32 BCR_A, BCR_D
48
49 write32 CS0BCR_A, CS0BCR_D
50
51 write32 CS0WCR_A, CS0WCR_D
52
53 /*
54 * DDR-SDRAM setting
55 */
56
57 /* set DDR-SDRAM dummy read */
58 write32 MMSEL_A, MMSEL_D
59
Nobuhiro Iwamatsu59434fe2009-10-30 10:16:27 +0900[diff] [blame]60 write32 MMSEL_A, CS0_A
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]61
62 /* set DDR-SDRAM bus/endian etc */
63 write32 MIM_U_A, MIM_U_D
64
65 write32 MIM_L_A, MIM_L_D0
66
67 write32 SDR_L_A, SDR_L_A_D0
68
69 write32 STR_L_A, STR_L_A_D0
70
71 /* DDR-SDRAM access control */
72 write32 MIM_L_A, MIM_L_D1
73
74 write32 SCR_L_A, SCR_L_A_D0
75
76 write32 SCR_L_A, SCR_L_A_D1
77
78 write32 EMRS_A, EMRS_D
79
80 write32 MRS1_A, MRS1_D
81
82 write32 MIM_U_A, MIM_U_D
83
84 write32 MIM_L_A, MIM_L_A_D2
85
86 write32 SCR_L_A, SCR_L_A_D2
87
88 write32 SCR_L_A, SCR_L_A_D2
89
90 write32 MRS2_A, MRS2_D
91
92 /* wait 200us */
93 wait_timer REPEAT_R3
94
95 /* GPIO setting */
96 write16 PSEL0_A, PSEL0_D
97
98 write16 PSEL1_A, PSEL1_D
99
100 write16 PSEL2_A, PSEL2_D
101
102 write16 PSEL3_A, PSEL3_D
103
104 write16 PSEL4_A, PSEL4_D
105
106 write8 PADR_A, PADR_D
107
108 write16 PACR_A, PACR_D
109
110 write8 PBDR_A, PBDR_D
111
112 write16 PBCR_A, PBCR_D
113
114 write8 PCDR_A, PCDR_D
115
116 write16 PCCR_A, PCCR_D
117
118 write8 PDDR_A, PDDR_D
119
120 write16 PDCR_A, PDCR_D
121
122 write16 PECR_A, PECR_D
123
124 write16 PFCR_A, PFCR_D
125
126 write16 PGCR_A, PGCR_D
127
128 write16 PHCR_A, PHCR_D
129
130 write16 PICR_A, PICR_D
131
132 write8 PJDR_A, PJDR_D
133
134 write16 PJCR_A, PJCR_D
135
136 /* wait 50us */
137 wait_timer REPEAT_R3
138
139 write8 PKDR_A, PKDR_D
140
141 write16 PKCR_A, PKCR_D
142
143 write16 PLCR_A, PLCR_D
144
145 write16 PMCR_A, PMCR_D
146
147 write16 PNCR_A, PNCR_D
148
149 write16 POCR_A, POCR_D
150
151
152 /* ICR0 ,ICR1 */
153 write32 ICR0_A, ICR0_D
154
155 write32 ICR1_A, ICR1_D
156
157 /* USB Host */
158 write32 USB_USBHSC_A, USB_USBHSC_D
159
160 write32 CCR_A, CCR_CACHE_D_2
161
162 rts
163 nop
164
165 .align 2
166
167/* GPIO Crontrol Register */
168PACR_A: .long 0xFFEF0000
169PBCR_A: .long 0xFFEF0002
170PCCR_A: .long 0xFFEF0004
171PDCR_A: .long 0xFFEF0006
172PECR_A: .long 0xFFEF0008
173PFCR_A: .long 0xFFEF000A
174PGCR_A: .long 0xFFEF000C
175PHCR_A: .long 0xFFEF000E
176PICR_A: .long 0xFFEF0010
177PJCR_A: .long 0xFFEF0012
178PKCR_A: .long 0xFFEF0014
179PLCR_A: .long 0xFFEF0016
180PMCR_A: .long 0xFFEF0018
181PNCR_A: .long 0xFFEF001A
182POCR_A: .long 0xFFEF001C
183
184/* GPIO Data Register */
185PADR_A: .long 0xFFEF0020
186PBDR_A: .long 0xFFEF0022
187PCDR_A: .long 0xFFEF0024
188PDDR_A: .long 0xFFEF0026
189PJDR_A: .long 0xFFEF0032
190PKDR_A: .long 0xFFEF0034
191
192/* GPIO Set data */
193PADR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]194PACR_D: .word 0x1400
195.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]196PBDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]197PBCR_D: .word 0x555A
198.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]199PCDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]200PCCR_D: .word 0x5555
201.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]202PDDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]203PDCR_D: .word 0x0155
204PECR_D: .word 0x0000
205PFCR_D: .word 0x0000
206PGCR_D: .word 0x0000
207PHCR_D: .word 0x0000
208PICR_D: .word 0x0800
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]209PJDR_D: .long 0x00000006
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]210PJCR_D: .word 0x5A57
211.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]212PKDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]213PKCR_D: .word 0xFFF9
214.align 2
215PLCR_D: .word 0xC330
216PMCR_D: .word 0xFFFF
217PNCR_D: .word 0x0242
218POCR_D: .word 0x0000
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]219
220/* Pin Select */
221PSEL0_A: .long 0xFFEF0070
222PSEL1_A: .long 0xFFEF0072
223PSEL2_A: .long 0xFFEF0074
224PSEL3_A: .long 0xFFEF0076
225PSEL4_A: .long 0xFFEF0078
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]226PSEL0_D: .word 0x0001
227PSEL1_D: .word 0x2400
228PSEL2_D: .word 0x0000
229PSEL3_D: .word 0x2421
230PSEL4_D: .word 0x0000
231.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]232
233MMSEL_A: .long 0xFE600020
234BCR_A: .long 0xFF801000
235CS0BCR_A: .long 0xFF802000
236CS0WCR_A: .long 0xFF802008
237ICR0_A: .long 0xFFD00000
238ICR1_A: .long 0xFFD0001C
239
240MMSEL_D: .long 0xA5A50000
241BCR_D: .long 0x05000000
242CS0BCR_D: .long 0x232306F0
243CS0WCR_D: .long 0x00011104
244ICR0_D: .long 0x80C00000
245ICR1_D: .long 0x00020000
246
247/* RWBT Address */
248WDTST_A: .long 0xFFCC0000
249WDTCSR_A: .long 0xFFCC0004
250WDTBST_A: .long 0xFFCC0008
251/* RWBT Data */
252WDTST_D: .long 0x5A000FFF
253WDTCSR_D: .long 0xA5000000
254WDTBST_D: .long 0x55000000
255
256/* Cache Address */
257CCR_A: .long 0xFF00001C
258MMUCR_A: .long 0xFF000010
259RAMCR_A: .long 0xFF000074
260
261/* Cache Data */
262CCR_CACHE_ICI_D:.long 0x00000800
263CCR_CACHE_D_2: .long 0x00000103
264MMU_CONTROL_TI_D:.long 0x00000004
265RAMCR_D: .long 0x00000200
266
267/* Low power mode control Address */
268MSTPCR0_A: .long 0xFFC80030
269MSTPCR1_A: .long 0xFFC80038
270/* Low power mode control Data */
271MSTPCR0_D: .long 0x00000000
272MSTPCR1_D: .long 0x00000000
273
274REPEAT0_R3: .long 0x00002000
275REPEAT_R3: .long 0x00000200
276CS0_A: .long 0xA8000000
277
278MIM_U_A: .long 0xFE800008
279MIM_L_A: .long 0xFE80000C
280SCR_U_A: .long 0xFE800010
281SCR_L_A: .long 0xFE800014
282STR_U_A: .long 0xFE800018
283STR_L_A: .long 0xFE80001C
284SDR_U_A: .long 0xFE800030
285SDR_L_A: .long 0xFE800034
286EMRS_A: .long 0xFE902000
287MRS1_A: .long 0xFE900B08
288MRS2_A: .long 0xFE900308
289
290MIM_U_D: .long 0x00000000
291MIM_L_D0: .long 0x04100008
292MIM_L_D1: .long 0x02EE0009
293MIM_L_D2: .long 0x02EE0209
294
295SDR_L_A_D0: .long 0x00000300
296STR_L_A_D0: .long 0x00010040
297MIM_L_A_D1: .long 0x04100009
298SCR_L_A_D0: .long 0x00000003
299SCR_L_A_D1: .long 0x00000002
300MIM_L_A_D2: .long 0x04100209
301SCR_L_A_D2: .long 0x00000004
302
303SCR_L_NORMAL: .long 0x00000000
304SCR_L_NOP: .long 0x00000001
305SCR_L_PALL: .long 0x00000002
306SCR_L_CKE_EN: .long 0x00000003
307SCR_L_CBR: .long 0x00000004
308
309STR_L_D: .long 0x000F3980
310SDR_L_D: .long 0x00000400
311EMRS_D: .long 0x00000000
312MRS1_D: .long 0x00000000
313MRS2_D: .long 0x00000000
314
315/* USB */
316USB_USBHSC_A: .long 0xFFEC80F0
317USB_USBHSC_D: .long 0x00000000