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gerrit.cesnet.cz / github / trini / u-boot / 504f7080c33f2b39ac9528b00421f3da9096309b / . / board / espt / lowlevel_init.S
blob: 1a11eee1a732bbd0f4c8044866408be8abd70c25 [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 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#include <config.h>
24#include <version.h>
25#include <asm/processor.h>
26#include <asm/macro.h>
27
28 .global lowlevel_init
29
30 .text
31 .align 2
32
33lowlevel_init:
34
35 write32 WDTCSR_A, WDTCSR_D
36
37 write32 WDTST_A, WDTST_D
38
39 write32 WDTBST_A, WDTBST_D
40
41 write32 CCR_A, CCR_CACHE_ICI_D
42
43 write32 MMUCR_A, MMU_CONTROL_TI_D
44
45 write32 MSTPCR0_A, MSTPCR0_D
46
47 write32 MSTPCR1_A, MSTPCR1_D
48
49 write32 RAMCR_A, RAMCR_D
50
51 /*
52 * Setting infomation from
53 * original ESPT-GIGA bootloader register
54 */
55 write32 MMSEL_A, MMSEL_D
56
57 /* dummy */
58 mov.l @r1, r2
59 mov.l @r1, r2
60 synco
61
62 write32 BCR_A, BCR_D
63
64 write32 CS0BCR_A, CS0BCR_D
65
66 write32 CS0WCR_A, CS0WCR_D
67
68 /*
69 * DDR-SDRAM setting
70 */
71
72 /* set DDR-SDRAM dummy read */
73 write32 MMSEL_A, MMSEL_D
74
Nobuhiro Iwamatsu59434fe2009-10-30 10:16:27 +0900[diff] [blame]75 write32 MMSEL_A, CS0_A
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]76
77 /* set DDR-SDRAM bus/endian etc */
78 write32 MIM_U_A, MIM_U_D
79
80 write32 MIM_L_A, MIM_L_D0
81
82 write32 SDR_L_A, SDR_L_A_D0
83
84 write32 STR_L_A, STR_L_A_D0
85
86 /* DDR-SDRAM access control */
87 write32 MIM_L_A, MIM_L_D1
88
89 write32 SCR_L_A, SCR_L_A_D0
90
91 write32 SCR_L_A, SCR_L_A_D1
92
93 write32 EMRS_A, EMRS_D
94
95 write32 MRS1_A, MRS1_D
96
97 write32 MIM_U_A, MIM_U_D
98
99 write32 MIM_L_A, MIM_L_A_D2
100
101 write32 SCR_L_A, SCR_L_A_D2
102
103 write32 SCR_L_A, SCR_L_A_D2
104
105 write32 MRS2_A, MRS2_D
106
107 /* wait 200us */
108 wait_timer REPEAT_R3
109
110 /* GPIO setting */
111 write16 PSEL0_A, PSEL0_D
112
113 write16 PSEL1_A, PSEL1_D
114
115 write16 PSEL2_A, PSEL2_D
116
117 write16 PSEL3_A, PSEL3_D
118
119 write16 PSEL4_A, PSEL4_D
120
121 write8 PADR_A, PADR_D
122
123 write16 PACR_A, PACR_D
124
125 write8 PBDR_A, PBDR_D
126
127 write16 PBCR_A, PBCR_D
128
129 write8 PCDR_A, PCDR_D
130
131 write16 PCCR_A, PCCR_D
132
133 write8 PDDR_A, PDDR_D
134
135 write16 PDCR_A, PDCR_D
136
137 write16 PECR_A, PECR_D
138
139 write16 PFCR_A, PFCR_D
140
141 write16 PGCR_A, PGCR_D
142
143 write16 PHCR_A, PHCR_D
144
145 write16 PICR_A, PICR_D
146
147 write8 PJDR_A, PJDR_D
148
149 write16 PJCR_A, PJCR_D
150
151 /* wait 50us */
152 wait_timer REPEAT_R3
153
154 write8 PKDR_A, PKDR_D
155
156 write16 PKCR_A, PKCR_D
157
158 write16 PLCR_A, PLCR_D
159
160 write16 PMCR_A, PMCR_D
161
162 write16 PNCR_A, PNCR_D
163
164 write16 POCR_A, POCR_D
165
166
167 /* ICR0 ,ICR1 */
168 write32 ICR0_A, ICR0_D
169
170 write32 ICR1_A, ICR1_D
171
172 /* USB Host */
173 write32 USB_USBHSC_A, USB_USBHSC_D
174
175 write32 CCR_A, CCR_CACHE_D_2
176
177 rts
178 nop
179
180 .align 2
181
182/* GPIO Crontrol Register */
183PACR_A: .long 0xFFEF0000
184PBCR_A: .long 0xFFEF0002
185PCCR_A: .long 0xFFEF0004
186PDCR_A: .long 0xFFEF0006
187PECR_A: .long 0xFFEF0008
188PFCR_A: .long 0xFFEF000A
189PGCR_A: .long 0xFFEF000C
190PHCR_A: .long 0xFFEF000E
191PICR_A: .long 0xFFEF0010
192PJCR_A: .long 0xFFEF0012
193PKCR_A: .long 0xFFEF0014
194PLCR_A: .long 0xFFEF0016
195PMCR_A: .long 0xFFEF0018
196PNCR_A: .long 0xFFEF001A
197POCR_A: .long 0xFFEF001C
198
199/* GPIO Data Register */
200PADR_A: .long 0xFFEF0020
201PBDR_A: .long 0xFFEF0022
202PCDR_A: .long 0xFFEF0024
203PDDR_A: .long 0xFFEF0026
204PJDR_A: .long 0xFFEF0032
205PKDR_A: .long 0xFFEF0034
206
207/* GPIO Set data */
208PADR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]209PACR_D: .word 0x1400
210.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]211PBDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]212PBCR_D: .word 0x555A
213.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]214PCDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]215PCCR_D: .word 0x5555
216.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]217PDDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]218PDCR_D: .word 0x0155
219PECR_D: .word 0x0000
220PFCR_D: .word 0x0000
221PGCR_D: .word 0x0000
222PHCR_D: .word 0x0000
223PICR_D: .word 0x0800
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]224PJDR_D: .long 0x00000006
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]225PJCR_D: .word 0x5A57
226.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]227PKDR_D: .long 0x00000000
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]228PKCR_D: .word 0xFFF9
229.align 2
230PLCR_D: .word 0xC330
231PMCR_D: .word 0xFFFF
232PNCR_D: .word 0x0242
233POCR_D: .word 0x0000
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]234
235/* Pin Select */
236PSEL0_A: .long 0xFFEF0070
237PSEL1_A: .long 0xFFEF0072
238PSEL2_A: .long 0xFFEF0074
239PSEL3_A: .long 0xFFEF0076
240PSEL4_A: .long 0xFFEF0078
Nobuhiro Iwamatsu45c710d2010-07-22 15:33:47 +0900[diff] [blame]241PSEL0_D: .word 0x0001
242PSEL1_D: .word 0x2400
243PSEL2_D: .word 0x0000
244PSEL3_D: .word 0x2421
245PSEL4_D: .word 0x0000
246.align 2
Nobuhiro Iwamatsu74d9c162009-06-25 16:31:26 +0900[diff] [blame]247
248MMSEL_A: .long 0xFE600020
249BCR_A: .long 0xFF801000
250CS0BCR_A: .long 0xFF802000
251CS0WCR_A: .long 0xFF802008
252ICR0_A: .long 0xFFD00000
253ICR1_A: .long 0xFFD0001C
254
255MMSEL_D: .long 0xA5A50000
256BCR_D: .long 0x05000000
257CS0BCR_D: .long 0x232306F0
258CS0WCR_D: .long 0x00011104
259ICR0_D: .long 0x80C00000
260ICR1_D: .long 0x00020000
261
262/* RWBT Address */
263WDTST_A: .long 0xFFCC0000
264WDTCSR_A: .long 0xFFCC0004
265WDTBST_A: .long 0xFFCC0008
266/* RWBT Data */
267WDTST_D: .long 0x5A000FFF
268WDTCSR_D: .long 0xA5000000
269WDTBST_D: .long 0x55000000
270
271/* Cache Address */
272CCR_A: .long 0xFF00001C
273MMUCR_A: .long 0xFF000010
274RAMCR_A: .long 0xFF000074
275
276/* Cache Data */
277CCR_CACHE_ICI_D:.long 0x00000800
278CCR_CACHE_D_2: .long 0x00000103
279MMU_CONTROL_TI_D:.long 0x00000004
280RAMCR_D: .long 0x00000200
281
282/* Low power mode control Address */
283MSTPCR0_A: .long 0xFFC80030
284MSTPCR1_A: .long 0xFFC80038
285/* Low power mode control Data */
286MSTPCR0_D: .long 0x00000000
287MSTPCR1_D: .long 0x00000000
288
289REPEAT0_R3: .long 0x00002000
290REPEAT_R3: .long 0x00000200
291CS0_A: .long 0xA8000000
292
293MIM_U_A: .long 0xFE800008
294MIM_L_A: .long 0xFE80000C
295SCR_U_A: .long 0xFE800010
296SCR_L_A: .long 0xFE800014
297STR_U_A: .long 0xFE800018
298STR_L_A: .long 0xFE80001C
299SDR_U_A: .long 0xFE800030
300SDR_L_A: .long 0xFE800034
301EMRS_A: .long 0xFE902000
302MRS1_A: .long 0xFE900B08
303MRS2_A: .long 0xFE900308
304
305MIM_U_D: .long 0x00000000
306MIM_L_D0: .long 0x04100008
307MIM_L_D1: .long 0x02EE0009
308MIM_L_D2: .long 0x02EE0209
309
310SDR_L_A_D0: .long 0x00000300
311STR_L_A_D0: .long 0x00010040
312MIM_L_A_D1: .long 0x04100009
313SCR_L_A_D0: .long 0x00000003
314SCR_L_A_D1: .long 0x00000002
315MIM_L_A_D2: .long 0x04100209
316SCR_L_A_D2: .long 0x00000004
317
318SCR_L_NORMAL: .long 0x00000000
319SCR_L_NOP: .long 0x00000001
320SCR_L_PALL: .long 0x00000002
321SCR_L_CKE_EN: .long 0x00000003
322SCR_L_CBR: .long 0x00000004
323
324STR_L_D: .long 0x000F3980
325SDR_L_D: .long 0x00000400
326EMRS_D: .long 0x00000000
327MRS1_D: .long 0x00000000
328MRS2_D: .long 0x00000000
329
330/* USB */
331USB_USBHSC_A: .long 0xFFEC80F0
332USB_USBHSC_D: .long 0x00000000