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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 6d0340931ec3d833a3c9525014d78424fba644a4 / . / board / renesas / sh7785lcr / lowlevel_init.S
blob: 4bda38cfad2bfbdc6e7026b40ffb956dad4b8ad5 [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>
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]7#include <asm/processor.h>
Jean-Christophe PLAGNIOL-VILLARDf7e78f32008-12-20 19:29:49 +0100[diff] [blame]8#include <asm/macro.h>
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]9
10#include <asm/processor.h>
11
12 .global lowlevel_init
13
14 .text
15 .align 2
16
17lowlevel_init:
18 wait_timer WAIT_200US
19 wait_timer WAIT_200US
20
21 /*------- LBSC -------*/
22 write32 MMSELR_A, MMSELR_D
23
24 /*------- DBSC2 -------*/
25 write32 DBSC2_DBCONF_A, DBSC2_DBCONF_D
26 write32 DBSC2_DBTR0_A, DBSC2_DBTR0_D
27 write32 DBSC2_DBTR1_A, DBSC2_DBTR1_D
28 write32 DBSC2_DBTR2_A, DBSC2_DBTR2_D
29 write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D1
30 write32 DBSC2_DBFREQ_A, DBSC2_DBFREQ_D2
31 wait_timer WAIT_200US
32
33 write32 DBSC2_DBDICODTOCD_A, DBSC2_DBDICODTOCD_D
34 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_CKE_H
35 wait_timer WAIT_200US
36 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL
37 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS2
38 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS3
39 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1
40 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_1
41 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_PALL
42 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF
43 write32 DBSC2_DBCMDCNT_A, DBSC2_DBCMDCNT_D_REF
44 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_MRS_2
45 wait_timer WAIT_200US
46
47 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_2
48 write32 DBSC2_DBMRCNT_A, DBSC2_DBMRCNT_D_EMRS1_1
49
50 write32 DBSC2_DBEN_A, DBSC2_DBEN_D
51 write32 DBSC2_DBRFCNT1_A, DBSC2_DBRFCNT1_D
52 write32 DBSC2_DBRFCNT2_A, DBSC2_DBRFCNT2_D
53 write32 DBSC2_DBRFCNT0_A, DBSC2_DBRFCNT0_D
54 wait_timer WAIT_200US
55
56 /*------- GPIO -------*/
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]57 write16 PACR_A, PXCR_D
58 write16 PBCR_A, PXCR_D
59 write16 PCCR_A, PXCR_D
60 write16 PDCR_A, PXCR_D
61 write16 PECR_A, PXCR_D
62 write16 PFCR_A, PXCR_D
63 write16 PGCR_A, PXCR_D
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]64 write16 PHCR_A, PHCR_D
65 write16 PJCR_A, PJCR_D
66 write16 PKCR_A, PKCR_D
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]67 write16 PLCR_A, PXCR_D
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]68 write16 PMCR_A, PMCR_D
69 write16 PNCR_A, PNCR_D
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]70 write16 PPCR_A, PXCR_D
71 write16 PQCR_A, PXCR_D
72 write16 PRCR_A, PXCR_D
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]73
74 write8 PEPUPR_A, PEPUPR_D
75 write8 PHPUPR_A, PHPUPR_D
76 write8 PJPUPR_A, PJPUPR_D
77 write8 PKPUPR_A, PKPUPR_D
78 write8 PLPUPR_A, PLPUPR_D
79 write8 PMPUPR_A, PMPUPR_D
80 write8 PNPUPR_A, PNPUPR_D
81 write16 PPUPR1_A, PPUPR1_D
82 write16 PPUPR2_A, PPUPR2_D
83 write16 P1MSELR_A, P1MSELR_D
84 write16 P2MSELR_A, P2MSELR_D
85
86 /*------- LBSC -------*/
87 write32 BCR_A, BCR_D
88 write32 CS0BCR_A, CS0BCR_D
89 write32 CS0WCR_A, CS0WCR_D
90 write32 CS1BCR_A, CS1BCR_D
91 write32 CS1WCR_A, CS1WCR_D
92 write32 CS4BCR_A, CS4BCR_D
93 write32 CS4WCR_A, CS4WCR_D
94
95 mov.l PASCR_A, r0
96 mov.l @r0, r2
97 mov.l PASCR_32BIT_MODE, r1
98 tst r1, r2
99 bt lbsc_29bit
100
101 write32 CS2BCR_A, CS_USB_BCR_D
102 write32 CS2WCR_A, CS_USB_WCR_D
103 write32 CS3BCR_A, CS_SD_BCR_D
104 write32 CS3WCR_A, CS_SD_WCR_D
105 write32 CS5BCR_A, CS_I2C_BCR_D
106 write32 CS5WCR_A, CS_I2C_WCR_D
107 write32 CS6BCR_A, CS0BCR_D
108 write32 CS6WCR_A, CS0WCR_D
109 bra lbsc_end
110 nop
111
112lbsc_29bit:
113 write32 CS5BCR_A, CS_USB_BCR_D
114 write32 CS5WCR_A, CS_USB_WCR_D
115 write32 CS6BCR_A, CS_SD_BCR_D
116 write32 CS6WCR_A, CS_SD_WCR_D
117
118lbsc_end:
Yoshihiro Shimodaada93182009-03-03 15:11:17 +0900[diff] [blame]119#if defined(CONFIG_SH_32BIT)
120 /*------- set PMB -------*/
121 write32 PASCR_A, PASCR_29BIT_D
122 write32 MMUCR_A, MMUCR_D
123
124 /*****************************************************************
125 * ent virt phys v sz c wt
126 * 0 0xa0000000 0x00000000 1 64M 0 0
127 * 1 0xa4000000 0x04000000 1 16M 0 0
128 * 2 0xa6000000 0x08000000 1 16M 0 0
129 * 9 0x88000000 0x48000000 1 128M 1 1
130 * 10 0x90000000 0x50000000 1 128M 1 1
131 * 11 0x98000000 0x58000000 1 128M 1 1
132 * 13 0xa8000000 0x48000000 1 128M 0 0
133 * 14 0xb0000000 0x50000000 1 128M 0 0
134 * 15 0xb8000000 0x58000000 1 128M 0 0
135 */
136 write32 PMB_ADDR_FLASH_A, PMB_ADDR_FLASH_D
137 write32 PMB_DATA_FLASH_A, PMB_DATA_FLASH_D
138 write32 PMB_ADDR_CPLD_A, PMB_ADDR_CPLD_D
139 write32 PMB_DATA_CPLD_A, PMB_DATA_CPLD_D
140 write32 PMB_ADDR_USB_A, PMB_ADDR_USB_D
141 write32 PMB_DATA_USB_A, PMB_DATA_USB_D
142 write32 PMB_ADDR_DDR_C1_A, PMB_ADDR_DDR_C1_D
143 write32 PMB_DATA_DDR_C1_A, PMB_DATA_DDR_C1_D
144 write32 PMB_ADDR_DDR_C2_A, PMB_ADDR_DDR_C2_D
145 write32 PMB_DATA_DDR_C2_A, PMB_DATA_DDR_C2_D
146 write32 PMB_ADDR_DDR_C3_A, PMB_ADDR_DDR_C3_D
147 write32 PMB_DATA_DDR_C3_A, PMB_DATA_DDR_C3_D
148 write32 PMB_ADDR_DDR_N1_A, PMB_ADDR_DDR_N1_D
149 write32 PMB_DATA_DDR_N1_A, PMB_DATA_DDR_N1_D
150 write32 PMB_ADDR_DDR_N2_A, PMB_ADDR_DDR_N2_D
151 write32 PMB_DATA_DDR_N2_A, PMB_DATA_DDR_N2_D
152 write32 PMB_ADDR_DDR_N3_A, PMB_ADDR_DDR_N3_D
153 write32 PMB_DATA_DDR_N3_A, PMB_DATA_DDR_N3_D
154
155 write32 PASCR_A, PASCR_INIT
156 mov.l DUMMY_ADDR, r0
157 icbi @r0
158#endif
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]159
160 write32 CCR_A, CCR_D
161
162 rts
163 nop
164
165 .align 4
166
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]167/*------- GPIO -------*/
Wolfgang Denk2d941de2010-09-10 00:16:19 +0200[diff] [blame]168/* P{A,B C,D,E,F,G,L,P,Q,R}CR_D */
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]169PXCR_D: .word 0x0000
170
171PHCR_D: .word 0x00c0
172PJCR_D: .word 0xc3fc
173PKCR_D: .word 0x03ff
174PMCR_D: .word 0xffff
175PNCR_D: .word 0xf0c3
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]176
177PEPUPR_D: .long 0xff
178PHPUPR_D: .long 0x00
179PJPUPR_D: .long 0x00
180PKPUPR_D: .long 0x00
181PLPUPR_D: .long 0x00
182PMPUPR_D: .long 0xfc
183PNPUPR_D: .long 0x00
Nobuhiro Iwamatsu20962772010-07-22 15:14:35 +0900[diff] [blame]184PPUPR1_D: .word 0xffbf
185PPUPR2_D: .word 0xff00
186P1MSELR_D: .word 0x3780
187P2MSELR_D: .word 0x0000
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]188
Nobuhiro Iwamatsubaa9f9b2009-06-16 22:29:15 +0900[diff] [blame]189#define GPIO_BASE 0xffe70000
190PACR_A: .long GPIO_BASE + 0x00
191PBCR_A: .long GPIO_BASE + 0x02
192PCCR_A: .long GPIO_BASE + 0x04
193PDCR_A: .long GPIO_BASE + 0x06
194PECR_A: .long GPIO_BASE + 0x08
195PFCR_A: .long GPIO_BASE + 0x0a
196PGCR_A: .long GPIO_BASE + 0x0c
197PHCR_A: .long GPIO_BASE + 0x0e
198PJCR_A: .long GPIO_BASE + 0x10
199PKCR_A: .long GPIO_BASE + 0x12
200PLCR_A: .long GPIO_BASE + 0x14
201PMCR_A: .long GPIO_BASE + 0x16
202PNCR_A: .long GPIO_BASE + 0x18
203PPCR_A: .long GPIO_BASE + 0x1a
204PQCR_A: .long GPIO_BASE + 0x1c
205PRCR_A: .long GPIO_BASE + 0x1e
206PEPUPR_A: .long GPIO_BASE + 0x48
207PHPUPR_A: .long GPIO_BASE + 0x4e
208PJPUPR_A: .long GPIO_BASE + 0x50
209PKPUPR_A: .long GPIO_BASE + 0x52
210PLPUPR_A: .long GPIO_BASE + 0x54
211PMPUPR_A: .long GPIO_BASE + 0x56
212PNPUPR_A: .long GPIO_BASE + 0x58
213PPUPR1_A: .long GPIO_BASE + 0x60
214PPUPR2_A: .long GPIO_BASE + 0x62
215P1MSELR_A: .long GPIO_BASE + 0x80
216P2MSELR_A: .long GPIO_BASE + 0x82
217
Nobuhiro Iwamatsuf1cae192009-10-30 10:01:25 +0900[diff] [blame]218MMSELR_A: .long 0xfc400020
219#if defined(CONFIG_SH_32BIT)
220MMSELR_D: .long 0xa5a50005
221#else
222MMSELR_D: .long 0xa5a50002
223#endif
224
225/*------- DBSC2 -------*/
226#define DBSC2_BASE 0xfe800000
227DBSC2_DBSTATE_A: .long DBSC2_BASE + 0x0c
228DBSC2_DBEN_A: .long DBSC2_BASE + 0x10
229DBSC2_DBCMDCNT_A: .long DBSC2_BASE + 0x14
230DBSC2_DBCONF_A: .long DBSC2_BASE + 0x20
231DBSC2_DBTR0_A: .long DBSC2_BASE + 0x30
232DBSC2_DBTR1_A: .long DBSC2_BASE + 0x34
233DBSC2_DBTR2_A: .long DBSC2_BASE + 0x38
234DBSC2_DBRFCNT0_A: .long DBSC2_BASE + 0x40
235DBSC2_DBRFCNT1_A: .long DBSC2_BASE + 0x44
236DBSC2_DBRFCNT2_A: .long DBSC2_BASE + 0x48
237DBSC2_DBRFSTS_A: .long DBSC2_BASE + 0x4c
238DBSC2_DBFREQ_A: .long DBSC2_BASE + 0x50
239DBSC2_DBDICODTOCD_A:.long DBSC2_BASE + 0x54
240DBSC2_DBMRCNT_A: .long DBSC2_BASE + 0x60
241DDR_DUMMY_ACCESS_A: .long 0x40000000
242
243DBSC2_DBCONF_D: .long 0x00630002
244DBSC2_DBTR0_D: .long 0x050b1f04
245DBSC2_DBTR1_D: .long 0x00040204
246DBSC2_DBTR2_D: .long 0x02100308
247DBSC2_DBFREQ_D1: .long 0x00000000
248DBSC2_DBFREQ_D2: .long 0x00000100
249DBSC2_DBDICODTOCD_D:.long 0x000f0907
250
251DBSC2_DBCMDCNT_D_CKE_H: .long 0x00000003
252DBSC2_DBCMDCNT_D_PALL: .long 0x00000002
253DBSC2_DBCMDCNT_D_REF: .long 0x00000004
254
255DBSC2_DBMRCNT_D_EMRS2: .long 0x00020000
256DBSC2_DBMRCNT_D_EMRS3: .long 0x00030000
257DBSC2_DBMRCNT_D_EMRS1_1: .long 0x00010006
258DBSC2_DBMRCNT_D_EMRS1_2: .long 0x00010386
259DBSC2_DBMRCNT_D_MRS_1: .long 0x00000952
260DBSC2_DBMRCNT_D_MRS_2: .long 0x00000852
261
262DBSC2_DBEN_D: .long 0x00000001
263
264DBSC2_DBPDCNT0_D3: .long 0x00000080
265DBSC2_DBRFCNT1_D: .long 0x00000926
266DBSC2_DBRFCNT2_D: .long 0x00fe00fe
267DBSC2_DBRFCNT0_D: .long 0x00010000
268
269WAIT_200US: .long 33333
270
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]271/*------- LBSC -------*/
272PASCR_A: .long 0xff000070
273PASCR_32BIT_MODE: .long 0x80000000 /* check booting mode */
274
275BCR_A: .long BCR
276CS0BCR_A: .long CS0BCR
277CS0WCR_A: .long CS0WCR
278CS1BCR_A: .long CS1BCR
279CS1WCR_A: .long CS1WCR
280CS2BCR_A: .long CS2BCR
281CS2WCR_A: .long CS2WCR
282CS3BCR_A: .long CS3BCR
283CS3WCR_A: .long CS3WCR
284CS4BCR_A: .long CS4BCR
285CS4WCR_A: .long CS4WCR
286CS5BCR_A: .long CS5BCR
287CS5WCR_A: .long CS5WCR
288CS6BCR_A: .long CS6BCR
289CS6WCR_A: .long CS6WCR
290
291BCR_D: .long 0x80000003
292CS0BCR_D: .long 0x22222340
293CS0WCR_D: .long 0x00111118
294CS1BCR_D: .long 0x11111100
295CS1WCR_D: .long 0x33333303
296CS4BCR_D: .long 0x11111300
297CS4WCR_D: .long 0x00101012
298
299/* USB setting : 32bit mode = CS2, 29bit mode = CS5 */
300CS_USB_BCR_D: .long 0x11111200
Nobuhiro Iwamatsu091d8c32011-04-04 15:47:03 +0900[diff] [blame]301CS_USB_WCR_D: .long 0x00020005
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]302
Jean-Christophe PLAGNIOL-VILLARDe4430772008-12-20 19:29:48 +0100[diff] [blame]303/* SD setting : 32bit mode = CS3, 29bit mode = CS6 */
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]304CS_SD_BCR_D: .long 0x00000300
305CS_SD_WCR_D: .long 0x00030108
306
307/* I2C setting : 32bit mode = CS5, 29bit mode = CS1(already setting) */
308CS_I2C_BCR_D: .long 0x11111100
309CS_I2C_WCR_D: .long 0x00000003
310
Yoshihiro Shimodaada93182009-03-03 15:11:17 +0900[diff] [blame]311#if defined(CONFIG_SH_32BIT)
312/*------- set PMB -------*/
313PMB_ADDR_FLASH_A: .long PMB_ADDR_BASE(0)
314PMB_ADDR_CPLD_A: .long PMB_ADDR_BASE(1)
315PMB_ADDR_USB_A: .long PMB_ADDR_BASE(2)
316PMB_ADDR_DDR_C1_A: .long PMB_ADDR_BASE(9)
317PMB_ADDR_DDR_C2_A: .long PMB_ADDR_BASE(10)
318PMB_ADDR_DDR_C3_A: .long PMB_ADDR_BASE(11)
319PMB_ADDR_DDR_N1_A: .long PMB_ADDR_BASE(13)
320PMB_ADDR_DDR_N2_A: .long PMB_ADDR_BASE(14)
321PMB_ADDR_DDR_N3_A: .long PMB_ADDR_BASE(15)
322
323PMB_ADDR_FLASH_D: .long mk_pmb_addr_val(0xa0)
324PMB_ADDR_CPLD_D: .long mk_pmb_addr_val(0xa4)
325PMB_ADDR_USB_D: .long mk_pmb_addr_val(0xa6)
326PMB_ADDR_DDR_C1_D: .long mk_pmb_addr_val(0x88)
327PMB_ADDR_DDR_C2_D: .long mk_pmb_addr_val(0x90)
328PMB_ADDR_DDR_C3_D: .long mk_pmb_addr_val(0x98)
329PMB_ADDR_DDR_N1_D: .long mk_pmb_addr_val(0xa8)
330PMB_ADDR_DDR_N2_D: .long mk_pmb_addr_val(0xb0)
331PMB_ADDR_DDR_N3_D: .long mk_pmb_addr_val(0xb8)
332
333PMB_DATA_FLASH_A: .long PMB_DATA_BASE(0)
334PMB_DATA_CPLD_A: .long PMB_DATA_BASE(1)
335PMB_DATA_USB_A: .long PMB_DATA_BASE(2)
336PMB_DATA_DDR_C1_A: .long PMB_DATA_BASE(9)
337PMB_DATA_DDR_C2_A: .long PMB_DATA_BASE(10)
338PMB_DATA_DDR_C3_A: .long PMB_DATA_BASE(11)
339PMB_DATA_DDR_N1_A: .long PMB_DATA_BASE(13)
340PMB_DATA_DDR_N2_A: .long PMB_DATA_BASE(14)
341PMB_DATA_DDR_N3_A: .long PMB_DATA_BASE(15)
342
343/* ppn ub v s1 s0 c wt */
344PMB_DATA_FLASH_D: .long mk_pmb_data_val(0x00, 1, 1, 0, 1, 0, 1)
345PMB_DATA_CPLD_D: .long mk_pmb_data_val(0x04, 1, 1, 0, 0, 0, 1)
346PMB_DATA_USB_D: .long mk_pmb_data_val(0x08, 1, 1, 0, 0, 0, 1)
347PMB_DATA_DDR_C1_D: .long mk_pmb_data_val(0x48, 0, 1, 1, 0, 1, 1)
348PMB_DATA_DDR_C2_D: .long mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1)
349PMB_DATA_DDR_C3_D: .long mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1)
350PMB_DATA_DDR_N1_D: .long mk_pmb_data_val(0x48, 1, 1, 1, 0, 0, 1)
351PMB_DATA_DDR_N2_D: .long mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1)
352PMB_DATA_DDR_N3_D: .long mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1)
353
354DUMMY_ADDR: .long 0xa0000000
355PASCR_29BIT_D: .long 0x00000000
356PASCR_INIT: .long 0x80000080 /* check booting mode */
357MMUCR_A: .long 0xff000010
358MMUCR_D: .long 0x00000004 /* clear ITLB */
359#endif /* CONFIG_SH_32BIT */
360
Nobuhiro Iwamatsu0d53a472008-08-31 22:45:08 +0900[diff] [blame]361CCR_A: .long 0xff00001c
362CCR_D: .long 0x0000090b