Blame - board/renesas/rsk7203/lowlevel_init.S - platform/external/u-boot

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Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	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>
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	24	#include <asm/macro.h>
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	25
				26	.global lowlevel_init
				27
				28	.text
				29	.align 2
				30
				31	lowlevel_init:
				32	/* Cache setting */
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	33	write32 CCR1_A ,CCR1_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	34
				35	/* ConfigurePortPins */
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	36	write16 PECRL3_A, PECRL3_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	37
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	38	write16 PCCRL4_A, PCCRL4_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	39
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	40	write16 PECRL4_A, PECRL4_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	41
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	42	write16 PEIORL_A, PEIORL_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	43
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	44	write16 PCIORL_A, PCIORL_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	45
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	46	write16 PFCRH2_A, PFCRH2_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	47
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	48	write16 PFCRH3_A, PFCRH3_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	49
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	50	write16 PFCRH1_A, PFCRH1_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	51
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	52	write16 PFIORH_A, PFIORH_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	53
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	54	write16 PECRL1_A, PECRL1_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	55
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	56	write16 PEIORL_A, PEIORL_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	57
				58	/* Configure Operating Frequency */
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	59	write16 WTCSR_A, WTCSR_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	60
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	61	write16 WTCSR_A, WTCSR_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	62
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	63	write16 WTCNT_A, WTCNT_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	64
				65	/* Set clock mode*/
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	66	write16 FRQCR_A, FRQCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	67
				68	/* Configure Bus And Memory */
				69	init_bsc_cs0:
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	70	write16 PCCRL4_A, PCCRL4_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	71
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	72	write16 PECRL1_A, PECRL1_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	73
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	74	write32 CMNCR_A, CMNCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	75
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	76	write32 CS0BCR_A, CS0BCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	77
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	78	write32 CS0WCR_A, CS0WCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	79
				80	init_bsc_cs1:
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	81	write16 PECRL4_A, PECRL4_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	82
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	83	write32 CS1WCR_A, CS1WCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	84
				85	init_sdram:
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	86	write16 PCCRL2_A, PCCRL2_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	87
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	88	write16 PCCRL4_A, PCCRL4_D2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	89
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	90	write16 PCCRL1_A, PCCRL1_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	91
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	92	write16 PCCRL3_A, PCCRL3_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	93
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	94	write32 CS3BCR_A, CS3BCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	95
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	96	write32 CS3WCR_A, CS3WCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	97
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	98	write32 SDCR_A, SDCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	99
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	100	write32 RTCOR_A, RTCOR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	101
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	102	write32 RTCSR_A, RTCSR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	103
				104	/* wait 200us */
Jean-Christophe PLAGNIOL-VILLARD	e443077	2008-12-20 19:29:48 +0100	[diff] [blame]	105	mov.l REPEAT_D, r3
				106	mov #0, r2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	107	repeat0:
Jean-Christophe PLAGNIOL-VILLARD	e443077	2008-12-20 19:29:48 +0100	[diff] [blame]	108	add #1, r2
				109	cmp/hs r3, r2
				110	bf repeat0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	111	nop
				112
Jean-Christophe PLAGNIOL-VILLARD	e443077	2008-12-20 19:29:48 +0100	[diff] [blame]	113	mov.l SDRAM_MODE, r1
				114	mov #0, r0
				115	mov.l r0, @r1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	116
				117	nop
				118	rts
				119
				120	.align 4
				121
				122	CCR1_A: .long CCR1
				123	CCR1_D: .long 0x0000090B
				124	PCCRL4_A: .long 0xFFFE3910
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	125	PCCRL4_D0: .word 0x0000
				126	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	127	PECRL4_A: .long 0xFFFE3A10
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	128	PECRL4_D0: .word 0x0000
				129	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	130	PECRL3_A: .long 0xFFFE3A12
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	131	PECRL3_D: .word 0x0000
				132	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	133	PEIORL_A: .long 0xFFFE3A06
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	134	PEIORL_D0: .word 0x1C00
				135	PEIORL_D1: .word 0x1C02
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	136	PCIORL_A: .long 0xFFFE3906
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	137	PCIORL_D: .word 0x4000
				138	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	139	PFCRH2_A: .long 0xFFFE3A8C
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	140	PFCRH2_D: .word 0x0000
				141	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	142	PFCRH3_A: .long 0xFFFE3A8A
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	143	PFCRH3_D: .word 0x0000
				144	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	145	PFCRH1_A: .long 0xFFFE3A8E
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	146	PFCRH1_D: .word 0x0000
				147	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	148	PFIORH_A: .long 0xFFFE3A84
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	149	PFIORH_D: .word 0x0729
				150	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	151	PECRL1_A: .long 0xFFFE3A16
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	152	PECRL1_D0: .word 0x0033
				153	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	154
				155
				156	WTCSR_A: .long 0xFFFE0000
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	157	WTCSR_D0: .word 0xA518
				158	WTCSR_D1: .word 0xA51D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	159	WTCNT_A: .long 0xFFFE0002
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	160	WTCNT_D: .word 0x5A84
				161	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	162	FRQCR_A: .long 0xFFFE0010
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	163	FRQCR_D: .word 0x0104
				164	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	165
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	166	PCCRL4_D1: .word 0x0010
				167	PECRL1_D1: .word 0x0133
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	168
				169	CMNCR_A: .long 0xFFFC0000
				170	CMNCR_D: .long 0x00001810
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	171	CS0BCR_A: .long 0xFFFC0004
				172	CS0BCR_D: .long 0x10000400
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	173	CS0WCR_A: .long 0xFFFC0028
				174	CS0WCR_D: .long 0x00000B41
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	175	PECRL4_D1: .word 0x0100
				176	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	177	CS1WCR_A: .long 0xFFFC002C
				178	CS1WCR_D: .long 0x00000B01
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	179	PCCRL4_D2: .word 0x0011
				180	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	181	PCCRL3_A: .long 0xFFFE3912
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	182	PCCRL3_D: .word 0x0011
				183	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	184	PCCRL2_A: .long 0xFFFE3914
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	185	PCCRL2_D: .word 0x1111
				186	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	187	PCCRL1_A: .long 0xFFFE3916
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	188	PCCRL1_D: .word 0x1010
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	189	PDCRL4_A: .long 0xFFFE3990
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	190	PDCRL4_D: .word 0x0011
				191	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	192	PDCRL3_A: .long 0xFFFE3992
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	193	PDCRL3_D: .word 0x00011
				194	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	195	PDCRL2_A: .long 0xFFFE3994
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	196	PDCRL2_D: .word 0x1111
				197	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	198	PDCRL1_A: .long 0xFFFE3996
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	199	PDCRL1_D: .word 0x1000
				200	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	201	CS3BCR_A: .long 0xFFFC0010
				202	CS3BCR_D: .long 0x00004400
				203	CS3WCR_A: .long 0xFFFC0034
				204	CS3WCR_D: .long 0x00002892
				205	SDCR_A: .long 0xFFFC004C
				206	SDCR_D: .long 0x00000809
				207	RTCOR_A: .long 0xFFFC0058
				208	RTCOR_D: .long 0xA55A0041
				209	RTCSR_A: .long 0xFFFC0050
				210	RTCSR_D: .long 0xa55a0010
				211
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	212	SDRAM_MODE: .long 0xFFFC5040
				213	REPEAT_D: .long 0x00009C40