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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / f4ec45229709323b1f58a096fa4ce6a67f3b9c10 / . / board / renesas / sh7785lcr / lowlevel_init.S
blob: 8b729ac392ce739cbbd5613619fd9177c565152a [file] [log] [blame]
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]1/*
2 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
3 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]4 * SPDX-License-Identifier: GPL-2.0+
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]5 */
6#include <config.h>
7#include <version.h>
8#include <asm/processor.h>
Jean-Christophe PLAGNIOL-VILLARDf7e78f32008-12-20 19:29:49 +0100[diff] [blame]9#include <asm/macro.h>
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]10
11#include <asm/processor.h>
12
13 .global lowlevel_init
14
15 .text
16 .align 2
17
18lowlevel_init:
19 wait_timer WAIT_200US
20 wait_timer WAIT_200US
21
22 /*------- LBSC -------*/
23 write32 MMSELR_A, MMSELR_D
24
25 /*------- DBSC2 -------*/
26 write32 DBSC2_DBCONF_A, DBSC2_DBCONF_D
27 write32 DBSC2_DBTR0_A, DBSC2_DBTR0_D
28 write32 DBSC2_DBTR1_A, DBSC2_DBTR1_D
29 write32 DBSC2_DBTR2_A, DBSC2_DBTR2_D
30 write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D1
31 write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D2
32 wait_timer WAIT_200US
33
34 write32 DBSC2_DBDICODTOCD_A, DBSC2_DBDICODTOCD_D
35 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_CKE_H
36 wait_timer WAIT_200US
37 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL
38 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS2
39 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS3
40 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1
41 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_1
42 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL
43 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF
44 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF
45 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_2
46 wait_timer WAIT_200US
47
48 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_2
49 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1
50
51 write32 DBSC2_DBEN_A, DBSC2_DBEN_D
52 write32 DBSC2_DBRFCNT1_A, DBSC2_DBRFCNT1_D
53 write32 DBSC2_DBRFCNT2_A, DBSC2_DBRFCNT2_D
54 write32 DBSC2_DBRFCNT0_A, DBSC2_DBRFCNT0_D
55 wait_timer WAIT_200US
56
57 /*------- GPIO -------*/
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]58 write16 PACR_A, PXCR_D
59 write16 PBCR_A, PXCR_D
60 write16 PCCR_A, PXCR_D
61 write16 PDCR_A, PXCR_D
62 write16 PECR_A, PXCR_D
63 write16 PFCR_A, PXCR_D
64 write16 PGCR_A, PXCR_D
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]65 write16 PHCR_A, PHCR_D
66 write16 PJCR_A, PJCR_D
67 write16 PKCR_A, PKCR_D
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]68 write16 PLCR_A, PXCR_D
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]69 write16 PMCR_A, PMCR_D
70 write16 PNCR_A, PNCR_D
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]71 write16 PPCR_A, PXCR_D
72 write16 PQCR_A, PXCR_D
73 write16 PRCR_A, PXCR_D
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]74
75 write8 PEPUPR_A, PEPUPR_D
76 write8 PHPUPR_A, PHPUPR_D
77 write8 PJPUPR_A, PJPUPR_D
78 write8 PKPUPR_A, PKPUPR_D
79 write8 PLPUPR_A, PLPUPR_D
80 write8 PMPUPR_A, PMPUPR_D
81 write8 PNPUPR_A, PNPUPR_D
82 write16 PPUPR1_A, PPUPR1_D
83 write16 PPUPR2_A, PPUPR2_D
84 write16 P1MSELR_A, P1MSELR_D
85 write16 P2MSELR_A, P2MSELR_D
86
87 /*------- LBSC -------*/
88 write32 BCR_A, BCR_D
89 write32 CS0BCR_A, CS0BCR_D
90 write32 CS0WCR_A, CS0WCR_D
91 write32 CS1BCR_A, CS1BCR_D
92 write32 CS1WCR_A, CS1WCR_D
93 write32 CS4BCR_A, CS4BCR_D
94 write32 CS4WCR_A, CS4WCR_D
95
96 mov.l PASCR_A, r0
97 mov.l @r0, r2
98 mov.l PASCR_32BIT_MODE, r1
99 tst r1, r2
100 bt lbsc_29bit
101
102 write32 CS2BCR_A, CS_USB_BCR_D
103 write32 CS2WCR_A, CS_USB_WCR_D
104 write32 CS3BCR_A, CS_SD_BCR_D
105 write32 CS3WCR_A, CS_SD_WCR_D
106 write32 CS5BCR_A, CS_I2C_BCR_D
107 write32 CS5WCR_A, CS_I2C_WCR_D
108 write32 CS6BCR_A, CS0BCR_D
109 write32 CS6WCR_A, CS0WCR_D
110 bra lbsc_end
111 nop
112
113lbsc_29bit:
114 write32 CS5BCR_A, CS_USB_BCR_D
115 write32 CS5WCR_A, CS_USB_WCR_D
116 write32 CS6BCR_A, CS_SD_BCR_D
117 write32 CS6WCR_A, CS_SD_WCR_D
118
119lbsc_end:
Yoshihiro Shimodaada93182009-03-03 15:11:17 +0900[diff] [blame]120#if defined(CONFIG_SH_32BIT)
121 /*------- set PMB -------*/
122 write32 PASCR_A, PASCR_29BIT_D
123 write32 MMUCR_A, MMUCR_D
124
125 /*****************************************************************
126 * ent virt phys v sz c wt
127 * 0 0xa0000000 0x00000000 1 64M 0 0
128 * 1 0xa4000000 0x04000000 1 16M 0 0
129 * 2 0xa6000000 0x08000000 1 16M 0 0
130 * 9 0x88000000 0x48000000 1 128M 1 1
131 * 10 0x90000000 0x50000000 1 128M 1 1
132 * 11 0x98000000 0x58000000 1 128M 1 1
133 * 13 0xa8000000 0x48000000 1 128M 0 0
134 * 14 0xb0000000 0x50000000 1 128M 0 0
135 * 15 0xb8000000 0x58000000 1 128M 0 0
136 */
137 write32 PMB_ADDR_FLASH_A, PMB_ADDR_FLASH_D
138 write32 PMB_DATA_FLASH_A, PMB_DATA_FLASH_D
139 write32 PMB_ADDR_CPLD_A, PMB_ADDR_CPLD_D
140 write32 PMB_DATA_CPLD_A, PMB_DATA_CPLD_D
141 write32 PMB_ADDR_USB_A, PMB_ADDR_USB_D
142 write32 PMB_DATA_USB_A, PMB_DATA_USB_D
143 write32 PMB_ADDR_DDR_C1_A, PMB_ADDR_DDR_C1_D
144 write32 PMB_DATA_DDR_C1_A, PMB_DATA_DDR_C1_D
145 write32 PMB_ADDR_DDR_C2_A, PMB_ADDR_DDR_C2_D
146 write32 PMB_DATA_DDR_C2_A, PMB_DATA_DDR_C2_D
147 write32 PMB_ADDR_DDR_C3_A, PMB_ADDR_DDR_C3_D
148 write32 PMB_DATA_DDR_C3_A, PMB_DATA_DDR_C3_D
149 write32 PMB_ADDR_DDR_N1_A, PMB_ADDR_DDR_N1_D
150 write32 PMB_DATA_DDR_N1_A, PMB_DATA_DDR_N1_D
151 write32 PMB_ADDR_DDR_N2_A, PMB_ADDR_DDR_N2_D
152 write32 PMB_DATA_DDR_N2_A, PMB_DATA_DDR_N2_D
153 write32 PMB_ADDR_DDR_N3_A, PMB_ADDR_DDR_N3_D
154 write32 PMB_DATA_DDR_N3_A, PMB_DATA_DDR_N3_D
155
156 write32 PASCR_A, PASCR_INIT
157 mov.l DUMMY_ADDR, r0
158 icbi @r0
159#endif
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]160
161 write32 CCR_A, CCR_D
162
163 rts
164 nop
165
166 .align 4
167
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]168/*------- GPIO -------*/
Wolfgang Denk2d941de2010-09-10 00:16:19 +0200[diff] [blame]169/* P{A,B C,D,E,F,G,L,P,Q,R}CR_D */
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]170PXCR_D: .word 0x0000
171
172PHCR_D: .word 0x00c0
173PJCR_D: .word 0xc3fc
174PKCR_D: .word 0x03ff
175PMCR_D: .word 0xffff
176PNCR_D: .word 0xf0c3
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]177
178PEPUPR_D: .long 0xff
179PHPUPR_D: .long 0x00
180PJPUPR_D: .long 0x00
181PKPUPR_D: .long 0x00
182PLPUPR_D: .long 0x00
183PMPUPR_D: .long 0xfc
184PNPUPR_D: .long 0x00
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]185PPUPR1_D: .word 0xffbf
186PPUPR2_D: .word 0xff00
187P1MSELR_D: .word 0x3780
188P2MSELR_D: .word 0x0000
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]189
Nobuhiro Iwamatsubaa9f9b2009-06-16 22:29:15 +0900[diff] [blame]190#define GPIO_BASE 0xffe70000
191PACR_A: .long GPIO_BASE + 0x00
192PBCR_A: .long GPIO_BASE + 0x02
193PCCR_A: .long GPIO_BASE + 0x04
194PDCR_A: .long GPIO_BASE + 0x06
195PECR_A: .long GPIO_BASE + 0x08
196PFCR_A: .long GPIO_BASE + 0x0a
197PGCR_A: .long GPIO_BASE + 0x0c
198PHCR_A: .long GPIO_BASE + 0x0e
199PJCR_A: .long GPIO_BASE + 0x10
200PKCR_A: .long GPIO_BASE + 0x12
201PLCR_A: .long GPIO_BASE + 0x14
202PMCR_A: .long GPIO_BASE + 0x16
203PNCR_A: .long GPIO_BASE + 0x18
204PPCR_A: .long GPIO_BASE + 0x1a
205PQCR_A: .long GPIO_BASE + 0x1c
206PRCR_A: .long GPIO_BASE + 0x1e
207PEPUPR_A: .long GPIO_BASE + 0x48
208PHPUPR_A: .long GPIO_BASE + 0x4e
209PJPUPR_A: .long GPIO_BASE + 0x50
210PKPUPR_A: .long GPIO_BASE + 0x52
211PLPUPR_A: .long GPIO_BASE + 0x54
212PMPUPR_A: .long GPIO_BASE + 0x56
213PNPUPR_A: .long GPIO_BASE + 0x58
214PPUPR1_A: .long GPIO_BASE + 0x60
215PPUPR2_A: .long GPIO_BASE + 0x62
216P1MSELR_A: .long GPIO_BASE + 0x80
217P2MSELR_A: .long GPIO_BASE + 0x82
218
Nobuhiro Iwamatsuf1cae192009-10-30 10:01:25 +0900[diff] [blame]219MMSELR_A: .long 0xfc400020
220#if defined(CONFIG_SH_32BIT)
221MMSELR_D: .long 0xa5a50005
222#else
223MMSELR_D: .long 0xa5a50002
224#endif
225
226/*------- DBSC2 -------*/
227#define DBSC2_BASE 0xfe800000
228DBSC2_DBSTATE_A: .long DBSC2_BASE + 0x0c
229DBSC2_DBEN_A: .long DBSC2_BASE + 0x10
230DBSC2_DBCMDCNT_A: .long DBSC2_BASE + 0x14
231DBSC2_DBCONF_A: .long DBSC2_BASE + 0x20
232DBSC2_DBTR0_A: .long DBSC2_BASE + 0x30
233DBSC2_DBTR1_A: .long DBSC2_BASE + 0x34
234DBSC2_DBTR2_A: .long DBSC2_BASE + 0x38
235DBSC2_DBRFCNT0_A: .long DBSC2_BASE + 0x40
236DBSC2_DBRFCNT1_A: .long DBSC2_BASE + 0x44
237DBSC2_DBRFCNT2_A: .long DBSC2_BASE + 0x48
238DBSC2_DBRFSTS_A: .long DBSC2_BASE + 0x4c
239DBSC2_DBFREQ_A: .long DBSC2_BASE + 0x50
240DBSC2_DBDICODTOCD_A:.long DBSC2_BASE + 0x54
241DBSC2_DBMRCNT_A: .long DBSC2_BASE + 0x60
242DDR_DUMMY_ACCESS_A: .long 0x40000000
243
244DBSC2_DBCONF_D: .long 0x00630002
245DBSC2_DBTR0_D: .long 0x050b1f04
246DBSC2_DBTR1_D: .long 0x00040204
247DBSC2_DBTR2_D: .long 0x02100308
248DBSC2_DBFREQ_D1: .long 0x00000000
249DBSC2_DBFREQ_D2: .long 0x00000100
250DBSC2_DBDICODTOCD_D:.long 0x000f0907
251
252DBSC2_DBCMDCNT_D_CKE_H: .long 0x00000003
253DBSC2_DBCMDCNT_D_PALL: .long 0x00000002
254DBSC2_DBCMDCNT_D_REF: .long 0x00000004
255
256DBSC2_DBMRCNT_D_EMRS2: .long 0x00020000
257DBSC2_DBMRCNT_D_EMRS3: .long 0x00030000
258DBSC2_DBMRCNT_D_EMRS1_1: .long 0x00010006
259DBSC2_DBMRCNT_D_EMRS1_2: .long 0x00010386
260DBSC2_DBMRCNT_D_MRS_1: .long 0x00000952
261DBSC2_DBMRCNT_D_MRS_2: .long 0x00000852
262
263DBSC2_DBEN_D: .long 0x00000001
264
265DBSC2_DBPDCNT0_D3: .long 0x00000080
266DBSC2_DBRFCNT1_D: .long 0x00000926
267DBSC2_DBRFCNT2_D: .long 0x00fe00fe
268DBSC2_DBRFCNT0_D: .long 0x00010000
269
270WAIT_200US: .long 33333
271
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]272/*------- LBSC -------*/
273PASCR_A: .long 0xff000070
274PASCR_32BIT_MODE: .long 0x80000000 /* check booting mode */
275
276BCR_A: .long BCR
277CS0BCR_A: .long CS0BCR
278CS0WCR_A: .long CS0WCR
279CS1BCR_A: .long CS1BCR
280CS1WCR_A: .long CS1WCR
281CS2BCR_A: .long CS2BCR
282CS2WCR_A: .long CS2WCR
283CS3BCR_A: .long CS3BCR
284CS3WCR_A: .long CS3WCR
285CS4BCR_A: .long CS4BCR
286CS4WCR_A: .long CS4WCR
287CS5BCR_A: .long CS5BCR
288CS5WCR_A: .long CS5WCR
289CS6BCR_A: .long CS6BCR
290CS6WCR_A: .long CS6WCR
291
292BCR_D: .long 0x80000003
293CS0BCR_D: .long 0x22222340
294CS0WCR_D: .long 0x00111118
295CS1BCR_D: .long 0x11111100
296CS1WCR_D: .long 0x33333303
297CS4BCR_D: .long 0x11111300
298CS4WCR_D: .long 0x00101012
299
300/* USB setting : 32bit mode = CS2, 29bit mode = CS5 */
301CS_USB_BCR_D: .long 0x11111200
Nobuhiro Iwamatsu091d8c32011-04-04 15:47:03 +0900[diff] [blame]302CS_USB_WCR_D: .long 0x00020005
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]303
Jean-Christophe PLAGNIOL-VILLARDe4430772008-12-20 19:29:48 +0100[diff] [blame]304/* SD setting : 32bit mode = CS3, 29bit mode = CS6 */
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]305CS_SD_BCR_D: .long 0x00000300
306CS_SD_WCR_D: .long 0x00030108
307
308/* I2C setting : 32bit mode = CS5, 29bit mode = CS1(already setting) */
309CS_I2C_BCR_D: .long 0x11111100
310CS_I2C_WCR_D: .long 0x00000003
311
Yoshihiro Shimodaada93182009-03-03 15:11:17 +0900[diff] [blame]312#if defined(CONFIG_SH_32BIT)
313/*------- set PMB -------*/
314PMB_ADDR_FLASH_A: .long PMB_ADDR_BASE(0)
315PMB_ADDR_CPLD_A: .long PMB_ADDR_BASE(1)
316PMB_ADDR_USB_A: .long PMB_ADDR_BASE(2)
317PMB_ADDR_DDR_C1_A: .long PMB_ADDR_BASE(9)
318PMB_ADDR_DDR_C2_A: .long PMB_ADDR_BASE(10)
319PMB_ADDR_DDR_C3_A: .long PMB_ADDR_BASE(11)
320PMB_ADDR_DDR_N1_A: .long PMB_ADDR_BASE(13)
321PMB_ADDR_DDR_N2_A: .long PMB_ADDR_BASE(14)
322PMB_ADDR_DDR_N3_A: .long PMB_ADDR_BASE(15)
323
324PMB_ADDR_FLASH_D: .long mk_pmb_addr_val(0xa0)
325PMB_ADDR_CPLD_D: .long mk_pmb_addr_val(0xa4)
326PMB_ADDR_USB_D: .long mk_pmb_addr_val(0xa6)
327PMB_ADDR_DDR_C1_D: .long mk_pmb_addr_val(0x88)
328PMB_ADDR_DDR_C2_D: .long mk_pmb_addr_val(0x90)
329PMB_ADDR_DDR_C3_D: .long mk_pmb_addr_val(0x98)
330PMB_ADDR_DDR_N1_D: .long mk_pmb_addr_val(0xa8)
331PMB_ADDR_DDR_N2_D: .long mk_pmb_addr_val(0xb0)
332PMB_ADDR_DDR_N3_D: .long mk_pmb_addr_val(0xb8)
333
334PMB_DATA_FLASH_A: .long PMB_DATA_BASE(0)
335PMB_DATA_CPLD_A: .long PMB_DATA_BASE(1)
336PMB_DATA_USB_A: .long PMB_DATA_BASE(2)
337PMB_DATA_DDR_C1_A: .long PMB_DATA_BASE(9)
338PMB_DATA_DDR_C2_A: .long PMB_DATA_BASE(10)
339PMB_DATA_DDR_C3_A: .long PMB_DATA_BASE(11)
340PMB_DATA_DDR_N1_A: .long PMB_DATA_BASE(13)
341PMB_DATA_DDR_N2_A: .long PMB_DATA_BASE(14)
342PMB_DATA_DDR_N3_A: .long PMB_DATA_BASE(15)
343
344/* ppn ub v s1 s0 c wt */
345PMB_DATA_FLASH_D: .long mk_pmb_data_val(0x00, 1, 1, 0, 1, 0, 1)
346PMB_DATA_CPLD_D: .long mk_pmb_data_val(0x04, 1, 1, 0, 0, 0, 1)
347PMB_DATA_USB_D: .long mk_pmb_data_val(0x08, 1, 1, 0, 0, 0, 1)
348PMB_DATA_DDR_C1_D: .long mk_pmb_data_val(0x48, 0, 1, 1, 0, 1, 1)
349PMB_DATA_DDR_C2_D: .long mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1)
350PMB_DATA_DDR_C3_D: .long mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1)
351PMB_DATA_DDR_N1_D: .long mk_pmb_data_val(0x48, 1, 1, 1, 0, 0, 1)
352PMB_DATA_DDR_N2_D: .long mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1)
353PMB_DATA_DDR_N3_D: .long mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1)
354
355DUMMY_ADDR: .long 0xa0000000
356PASCR_29BIT_D: .long 0x00000000
357PASCR_INIT: .long 0x80000080 /* check booting mode */
358MMUCR_A: .long 0xff000010
359MMUCR_D: .long 0x00000004 /* clear ITLB */
360#endif /* CONFIG_SH_32BIT */
361
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]362CCR_A: .long 0xff00001c
363CCR_D: .long 0x0000090b