200 lines
3.4 KiB
ArmAsm
200 lines
3.4 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2008 Nobuhiro Iwamatsu
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* Copyright (C) 2008 Renesas Solutions Corp.
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*/
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#include <config.h>
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#include <asm/processor.h>
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#include <asm/macro.h>
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.global lowlevel_init
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.text
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.align 2
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lowlevel_init:
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/* Cache setting */
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write32 CCR1_A ,CCR1_D
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/* ConfigurePortPins */
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write16 PECRL3_A, PECRL3_D
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write16 PCCRL4_A, PCCRL4_D0
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write16 PECRL4_A, PECRL4_D0
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write16 PEIORL_A, PEIORL_D0
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write16 PCIORL_A, PCIORL_D
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write16 PFCRH2_A, PFCRH2_D
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write16 PFCRH3_A, PFCRH3_D
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write16 PFCRH1_A, PFCRH1_D
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write16 PFIORH_A, PFIORH_D
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write16 PECRL1_A, PECRL1_D0
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write16 PEIORL_A, PEIORL_D1
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/* Configure Operating Frequency */
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write16 WTCSR_A, WTCSR_D0
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write16 WTCSR_A, WTCSR_D1
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write16 WTCNT_A, WTCNT_D
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/* Set clock mode*/
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write16 FRQCR_A, FRQCR_D
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/* Configure Bus And Memory */
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init_bsc_cs0:
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write16 PCCRL4_A, PCCRL4_D1
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write16 PECRL1_A, PECRL1_D1
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write32 CMNCR_A, CMNCR_D
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write32 CS0BCR_A, CS0BCR_D
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write32 CS0WCR_A, CS0WCR_D
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init_bsc_cs1:
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write16 PECRL4_A, PECRL4_D1
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write32 CS1WCR_A, CS1WCR_D
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init_sdram:
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write16 PCCRL2_A, PCCRL2_D
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write16 PCCRL4_A, PCCRL4_D2
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write16 PCCRL1_A, PCCRL1_D
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write16 PCCRL3_A, PCCRL3_D
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write32 CS3BCR_A, CS3BCR_D
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write32 CS3WCR_A, CS3WCR_D
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write32 SDCR_A, SDCR_D
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write32 RTCOR_A, RTCOR_D
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write32 RTCSR_A, RTCSR_D
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/* wait 200us */
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mov.l REPEAT_D, r3
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mov #0, r2
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repeat0:
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add #1, r2
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cmp/hs r3, r2
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bf repeat0
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nop
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mov.l SDRAM_MODE, r1
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mov #0, r0
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mov.l r0, @r1
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nop
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rts
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.align 4
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CCR1_A: .long CCR1
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CCR1_D: .long 0x0000090B
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PCCRL4_A: .long 0xFFFE3910
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PCCRL4_D0: .word 0x0000
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.align 2
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PECRL4_A: .long 0xFFFE3A10
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PECRL4_D0: .word 0x0000
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.align 2
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PECRL3_A: .long 0xFFFE3A12
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PECRL3_D: .word 0x0000
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.align 2
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PEIORL_A: .long 0xFFFE3A06
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PEIORL_D0: .word 0x1C00
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PEIORL_D1: .word 0x1C02
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PCIORL_A: .long 0xFFFE3906
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PCIORL_D: .word 0x4000
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.align 2
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PFCRH2_A: .long 0xFFFE3A8C
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PFCRH2_D: .word 0x0000
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.align 2
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PFCRH3_A: .long 0xFFFE3A8A
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PFCRH3_D: .word 0x0000
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.align 2
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PFCRH1_A: .long 0xFFFE3A8E
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PFCRH1_D: .word 0x0000
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.align 2
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PFIORH_A: .long 0xFFFE3A84
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PFIORH_D: .word 0x0729
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.align 2
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PECRL1_A: .long 0xFFFE3A16
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PECRL1_D0: .word 0x0033
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.align 2
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WTCSR_A: .long 0xFFFE0000
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WTCSR_D0: .word 0xA518
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WTCSR_D1: .word 0xA51D
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WTCNT_A: .long 0xFFFE0002
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WTCNT_D: .word 0x5A84
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.align 2
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FRQCR_A: .long 0xFFFE0010
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FRQCR_D: .word 0x0104
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.align 2
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PCCRL4_D1: .word 0x0010
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PECRL1_D1: .word 0x0133
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CMNCR_A: .long 0xFFFC0000
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CMNCR_D: .long 0x00001810
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CS0BCR_A: .long 0xFFFC0004
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CS0BCR_D: .long 0x10000400
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CS0WCR_A: .long 0xFFFC0028
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CS0WCR_D: .long 0x00000B41
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PECRL4_D1: .word 0x0100
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.align 2
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CS1WCR_A: .long 0xFFFC002C
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CS1WCR_D: .long 0x00000B01
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PCCRL4_D2: .word 0x0011
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.align 2
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PCCRL3_A: .long 0xFFFE3912
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PCCRL3_D: .word 0x0011
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.align 2
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PCCRL2_A: .long 0xFFFE3914
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PCCRL2_D: .word 0x1111
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.align 2
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PCCRL1_A: .long 0xFFFE3916
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PCCRL1_D: .word 0x1010
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.align 2
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PDCRL4_A: .long 0xFFFE3990
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PDCRL4_D: .word 0x0011
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.align 2
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PDCRL3_A: .long 0xFFFE3992
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PDCRL3_D: .word 0x00011
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.align 2
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PDCRL2_A: .long 0xFFFE3994
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PDCRL2_D: .word 0x1111
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.align 2
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PDCRL1_A: .long 0xFFFE3996
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PDCRL1_D: .word 0x1000
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.align 2
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CS3BCR_A: .long 0xFFFC0010
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CS3BCR_D: .long 0x00004400
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CS3WCR_A: .long 0xFFFC0034
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CS3WCR_D: .long 0x00002892
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SDCR_A: .long 0xFFFC004C
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SDCR_D: .long 0x00000809
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RTCOR_A: .long 0xFFFC0058
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RTCOR_D: .long 0xA55A0041
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RTCSR_A: .long 0xFFFC0050
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RTCSR_D: .long 0xa55a0010
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SDRAM_MODE: .long 0xFFFC5040
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REPEAT_D: .long 0x00009C40
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