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	*
Wolfgang Denk	1a45966	2013-07-08 09:37:19 +0200	[diff] [blame]	5	* SPDX-License-Identifier: GPL-2.0+
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	6	*/
				7	#include <config.h>
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	8
				9	#include <asm/processor.h>
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	10	#include <asm/macro.h>
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	11
				12	.global lowlevel_init
				13
				14	.text
				15	.align 2
				16
				17	lowlevel_init:
				18	/* Cache setting */
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	19	write32 CCR1_A ,CCR1_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	20
				21	/* ConfigurePortPins */
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	22	write16 PECRL3_A, PECRL3_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	23
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	24	write16 PCCRL4_A, PCCRL4_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	25
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	26	write16 PECRL4_A, PECRL4_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	27
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	28	write16 PEIORL_A, PEIORL_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	29
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	30	write16 PCIORL_A, PCIORL_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	31
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	32	write16 PFCRH2_A, PFCRH2_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	33
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	34	write16 PFCRH3_A, PFCRH3_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	35
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	36	write16 PFCRH1_A, PFCRH1_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 PFIORH_A, PFIORH_D
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 PECRL1_A, PECRL1_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_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	43
				44	/* Configure Operating Frequency */
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	45	write16 WTCSR_A, WTCSR_D0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	46
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	47	write16 WTCSR_A, WTCSR_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	48
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	49	write16 WTCNT_A, WTCNT_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	50
				51	/* Set clock mode*/
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	52	write16 FRQCR_A, FRQCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	53
				54	/* Configure Bus And Memory */
				55	init_bsc_cs0:
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	56	write16 PCCRL4_A, PCCRL4_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	57
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	58	write16 PECRL1_A, PECRL1_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	59
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	60	write32 CMNCR_A, CMNCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	61
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	62	write32 CS0BCR_A, CS0BCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	63
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	64	write32 CS0WCR_A, CS0WCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	65
				66	init_bsc_cs1:
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	67	write16 PECRL4_A, PECRL4_D1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	68
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	69	write32 CS1WCR_A, CS1WCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	70
				71	init_sdram:
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	72	write16 PCCRL2_A, PCCRL2_D
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	write16 PCCRL4_A, PCCRL4_D2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	75
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	76	write16 PCCRL1_A, PCCRL1_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	write16 PCCRL3_A, PCCRL3_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	79
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	80	write32 CS3BCR_A, CS3BCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	81
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	82	write32 CS3WCR_A, CS3WCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	83
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	84	write32 SDCR_A, SDCR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	85
Jean-Christophe PLAGNIOL-VILLARD	f7e78f3	2008-12-20 19:29:49 +0100	[diff] [blame]	86	write32 RTCOR_A, RTCOR_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	write32 RTCSR_A, RTCSR_D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	89
				90	/* wait 200us */
Jean-Christophe PLAGNIOL-VILLARD	e443077	2008-12-20 19:29:48 +0100	[diff] [blame]	91	mov.l REPEAT_D, r3
				92	mov #0, r2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	93	repeat0:
Jean-Christophe PLAGNIOL-VILLARD	e443077	2008-12-20 19:29:48 +0100	[diff] [blame]	94	add #1, r2
				95	cmp/hs r3, r2
				96	bf repeat0
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	97	nop
				98
Jean-Christophe PLAGNIOL-VILLARD	e443077	2008-12-20 19:29:48 +0100	[diff] [blame]	99	mov.l SDRAM_MODE, r1
				100	mov #0, r0
				101	mov.l r0, @r1
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	102
				103	nop
				104	rts
				105
				106	.align 4
				107
				108	CCR1_A: .long CCR1
				109	CCR1_D: .long 0x0000090B
				110	PCCRL4_A: .long 0xFFFE3910
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	111	PCCRL4_D0: .word 0x0000
				112	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	113	PECRL4_A: .long 0xFFFE3A10
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	114	PECRL4_D0: .word 0x0000
				115	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	116	PECRL3_A: .long 0xFFFE3A12
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	117	PECRL3_D: .word 0x0000
				118	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	119	PEIORL_A: .long 0xFFFE3A06
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	120	PEIORL_D0: .word 0x1C00
				121	PEIORL_D1: .word 0x1C02
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	122	PCIORL_A: .long 0xFFFE3906
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	123	PCIORL_D: .word 0x4000
				124	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	125	PFCRH2_A: .long 0xFFFE3A8C
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	126	PFCRH2_D: .word 0x0000
				127	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	128	PFCRH3_A: .long 0xFFFE3A8A
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	129	PFCRH3_D: .word 0x0000
				130	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	131	PFCRH1_A: .long 0xFFFE3A8E
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	132	PFCRH1_D: .word 0x0000
				133	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	134	PFIORH_A: .long 0xFFFE3A84
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	135	PFIORH_D: .word 0x0729
				136	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	137	PECRL1_A: .long 0xFFFE3A16
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	138	PECRL1_D0: .word 0x0033
				139	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	140
				141
				142	WTCSR_A: .long 0xFFFE0000
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	143	WTCSR_D0: .word 0xA518
				144	WTCSR_D1: .word 0xA51D
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	145	WTCNT_A: .long 0xFFFE0002
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	146	WTCNT_D: .word 0x5A84
				147	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	148	FRQCR_A: .long 0xFFFE0010
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	149	FRQCR_D: .word 0x0104
				150	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	151
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	152	PCCRL4_D1: .word 0x0010
				153	PECRL1_D1: .word 0x0133
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	154
				155	CMNCR_A: .long 0xFFFC0000
				156	CMNCR_D: .long 0x00001810
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	157	CS0BCR_A: .long 0xFFFC0004
				158	CS0BCR_D: .long 0x10000400
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	159	CS0WCR_A: .long 0xFFFC0028
				160	CS0WCR_D: .long 0x00000B41
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	161	PECRL4_D1: .word 0x0100
				162	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	163	CS1WCR_A: .long 0xFFFC002C
				164	CS1WCR_D: .long 0x00000B01
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	165	PCCRL4_D2: .word 0x0011
				166	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	167	PCCRL3_A: .long 0xFFFE3912
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	168	PCCRL3_D: .word 0x0011
				169	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	170	PCCRL2_A: .long 0xFFFE3914
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	171	PCCRL2_D: .word 0x1111
				172	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	173	PCCRL1_A: .long 0xFFFE3916
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	174	PCCRL1_D: .word 0x1010
Phil Edworthy	c4f07be	2011-05-31 01:51:42 -0700	[diff] [blame]	175	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	176	PDCRL4_A: .long 0xFFFE3990
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	177	PDCRL4_D: .word 0x0011
				178	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	179	PDCRL3_A: .long 0xFFFE3992
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	180	PDCRL3_D: .word 0x00011
				181	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	182	PDCRL2_A: .long 0xFFFE3994
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	183	PDCRL2_D: .word 0x1111
				184	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	185	PDCRL1_A: .long 0xFFFE3996
Nobuhiro Iwamatsu	ed56fb1	2010-07-22 11:19:17 +0900	[diff] [blame]	186	PDCRL1_D: .word 0x1000
				187	.align 2
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	188	CS3BCR_A: .long 0xFFFC0010
				189	CS3BCR_D: .long 0x00004400
				190	CS3WCR_A: .long 0xFFFC0034
				191	CS3WCR_D: .long 0x00002892
				192	SDCR_A: .long 0xFFFC004C
				193	SDCR_D: .long 0x00000809
				194	RTCOR_A: .long 0xFFFC0058
				195	RTCOR_D: .long 0xA55A0041
				196	RTCSR_A: .long 0xFFFC0050
				197	RTCSR_D: .long 0xa55a0010
				198
Nobuhiro Iwamatsu	c655fad	2008-08-31 23:02:04 +0900	[diff] [blame]	199	SDRAM_MODE: .long 0xFFFC5040
				200	REPEAT_D: .long 0x00009C40