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sh: Fix rsk7203 alignment problem
[people/ms/u-boot.git] / board / renesas / rsk7203 / lowlevel_init.S
CommitLineData
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1/*
2 * Copyright (C) 2008 Nobuhiro Iwamatsu
3 * Copyright (C) 2008 Renesas Solutions Corp.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18 * MA 02111-1307 USA
19 */
20#include <config.h>
21#include <version.h>
22
23#include <asm/processor.h>
f7e78f3b 24#include <asm/macro.h>
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25
26 .global lowlevel_init
27
28 .text
29 .align 2
30
31lowlevel_init:
32 /* Cache setting */
f7e78f3b 33 write32 CCR1_A ,CCR1_D
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34
35 /* ConfigurePortPins */
f7e78f3b 36 write16 PECRL3_A, PECRL3_D
c655fad0 37
f7e78f3b 38 write16 PCCRL4_A, PCCRL4_D0
c655fad0 39
f7e78f3b 40 write16 PECRL4_A, PECRL4_D0
c655fad0 41
f7e78f3b 42 write16 PEIORL_A, PEIORL_D0
c655fad0 43
f7e78f3b 44 write16 PCIORL_A, PCIORL_D
c655fad0 45
f7e78f3b 46 write16 PFCRH2_A, PFCRH2_D
c655fad0 47
f7e78f3b 48 write16 PFCRH3_A, PFCRH3_D
c655fad0 49
f7e78f3b 50 write16 PFCRH1_A, PFCRH1_D
c655fad0 51
f7e78f3b 52 write16 PFIORH_A, PFIORH_D
c655fad0 53
f7e78f3b 54 write16 PECRL1_A, PECRL1_D0
c655fad0 55
f7e78f3b 56 write16 PEIORL_A, PEIORL_D1
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57
58 /* Configure Operating Frequency */
f7e78f3b 59 write16 WTCSR_A, WTCSR_D0
c655fad0 60
f7e78f3b 61 write16 WTCSR_A, WTCSR_D1
c655fad0 62
f7e78f3b 63 write16 WTCNT_A, WTCNT_D
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64
65 /* Set clock mode*/
f7e78f3b 66 write16 FRQCR_A, FRQCR_D
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67
68 /* Configure Bus And Memory */
69init_bsc_cs0:
f7e78f3b 70 write16 PCCRL4_A, PCCRL4_D1
c655fad0 71
f7e78f3b 72 write16 PECRL1_A, PECRL1_D1
c655fad0 73
f7e78f3b 74 write32 CMNCR_A, CMNCR_D
c655fad0 75
ed56fb1d 76 write32 CS0BCR_A, CS0BCR_D
c655fad0 77
f7e78f3b 78 write32 CS0WCR_A, CS0WCR_D
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79
80init_bsc_cs1:
f7e78f3b 81 write16 PECRL4_A, PECRL4_D1
c655fad0 82
f7e78f3b 83 write32 CS1WCR_A, CS1WCR_D
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84
85init_sdram:
f7e78f3b 86 write16 PCCRL2_A, PCCRL2_D
c655fad0 87
f7e78f3b 88 write16 PCCRL4_A, PCCRL4_D2
c655fad0 89
f7e78f3b 90 write16 PCCRL1_A, PCCRL1_D
c655fad0 91
f7e78f3b 92 write16 PCCRL3_A, PCCRL3_D
c655fad0 93
f7e78f3b 94 write32 CS3BCR_A, CS3BCR_D
c655fad0 95
f7e78f3b 96 write32 CS3WCR_A, CS3WCR_D
c655fad0 97
f7e78f3b 98 write32 SDCR_A, SDCR_D
c655fad0 99
f7e78f3b 100 write32 RTCOR_A, RTCOR_D
c655fad0 101
f7e78f3b 102 write32 RTCSR_A, RTCSR_D
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103
104 /* wait 200us */
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105 mov.l REPEAT_D, r3
106 mov #0, r2
c655fad0 107repeat0:
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108 add #1, r2
109 cmp/hs r3, r2
110 bf repeat0
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111 nop
112
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113 mov.l SDRAM_MODE, r1
114 mov #0, r0
115 mov.l r0, @r1
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116
117 nop
118 rts
119
120 .align 4
121
122CCR1_A: .long CCR1
123CCR1_D: .long 0x0000090B
124PCCRL4_A: .long 0xFFFE3910
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125PCCRL4_D0: .word 0x0000
126.align 2
c655fad0 127PECRL4_A: .long 0xFFFE3A10
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128PECRL4_D0: .word 0x0000
129.align 2
c655fad0 130PECRL3_A: .long 0xFFFE3A12
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131PECRL3_D: .word 0x0000
132.align 2
c655fad0 133PEIORL_A: .long 0xFFFE3A06
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134PEIORL_D0: .word 0x1C00
135PEIORL_D1: .word 0x1C02
c655fad0 136PCIORL_A: .long 0xFFFE3906
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137PCIORL_D: .word 0x4000
138.align 2
c655fad0 139PFCRH2_A: .long 0xFFFE3A8C
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140PFCRH2_D: .word 0x0000
141.align 2
c655fad0 142PFCRH3_A: .long 0xFFFE3A8A
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143PFCRH3_D: .word 0x0000
144.align 2
c655fad0 145PFCRH1_A: .long 0xFFFE3A8E
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146PFCRH1_D: .word 0x0000
147.align 2
c655fad0 148PFIORH_A: .long 0xFFFE3A84
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149PFIORH_D: .word 0x0729
150.align 2
c655fad0 151PECRL1_A: .long 0xFFFE3A16
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152PECRL1_D0: .word 0x0033
153.align 2
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154
155
156WTCSR_A: .long 0xFFFE0000
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157WTCSR_D0: .word 0xA518
158WTCSR_D1: .word 0xA51D
c655fad0 159WTCNT_A: .long 0xFFFE0002
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160WTCNT_D: .word 0x5A84
161.align 2
c655fad0 162FRQCR_A: .long 0xFFFE0010
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163FRQCR_D: .word 0x0104
164.align 2
c655fad0 165
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166PCCRL4_D1: .word 0x0010
167PECRL1_D1: .word 0x0133
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168
169CMNCR_A: .long 0xFFFC0000
170CMNCR_D: .long 0x00001810
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171CS0BCR_A: .long 0xFFFC0004
172CS0BCR_D: .long 0x10000400
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173CS0WCR_A: .long 0xFFFC0028
174CS0WCR_D: .long 0x00000B41
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175PECRL4_D1: .word 0x0100
176.align 2
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177CS1WCR_A: .long 0xFFFC002C
178CS1WCR_D: .long 0x00000B01
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179PCCRL4_D2: .word 0x0011
180.align 2
c655fad0 181PCCRL3_A: .long 0xFFFE3912
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182PCCRL3_D: .word 0x0011
183.align 2
c655fad0 184PCCRL2_A: .long 0xFFFE3914
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185PCCRL2_D: .word 0x1111
186.align 2
c655fad0 187PCCRL1_A: .long 0xFFFE3916
ed56fb1d 188PCCRL1_D: .word 0x1010
c4f07be2 189.align 2
c655fad0 190PDCRL4_A: .long 0xFFFE3990
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191PDCRL4_D: .word 0x0011
192.align 2
c655fad0 193PDCRL3_A: .long 0xFFFE3992
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194PDCRL3_D: .word 0x00011
195.align 2
c655fad0 196PDCRL2_A: .long 0xFFFE3994
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197PDCRL2_D: .word 0x1111
198.align 2
c655fad0 199PDCRL1_A: .long 0xFFFE3996
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200PDCRL1_D: .word 0x1000
201.align 2
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202CS3BCR_A: .long 0xFFFC0010
203CS3BCR_D: .long 0x00004400
204CS3WCR_A: .long 0xFFFC0034
205CS3WCR_D: .long 0x00002892
206SDCR_A: .long 0xFFFC004C
207SDCR_D: .long 0x00000809
208RTCOR_A: .long 0xFFFC0058
209RTCOR_D: .long 0xA55A0041
210RTCSR_A: .long 0xFFFC0050
211RTCSR_D: .long 0xa55a0010
212
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213SDRAM_MODE: .long 0xFFFC5040
214REPEAT_D: .long 0x00009C40