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/*
* Copyright (C) 2008 Renesas Solutions Corp.
* Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
*
* board/ap325rxa/lowlevel_init.S
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <version.h>
#include <asm/processor.h>
/*
* Board specific low level init code, called _very_ early in the
* startup sequence. Relocation to SDRAM has not happened yet, no
* stack is available, bss section has not been initialised, etc.
*
* (Note: As no stack is available, no subroutines can be called...).
*/
.global lowlevel_init
.text
.align 2
lowlevel_init:
mov.l DRVCRA_A, r1
mov.l DRVCRA_D, r0
mov.w r0, @r1
mov.l DRVCRB_A, r1
mov.l DRVCRB_D, r0
mov.w r0, @r1
mov.l RWTCSR_A, r1
mov.l RWTCSR_D1, r0
mov.w r0, @r1
mov.l RWTCNT_A, r1
mov.l RWTCNT_D, r0
mov.w r0, @r1
mov.l RWTCSR_A, r1
mov.l RWTCSR_D2, r0
mov.w r0, @r1
mov.l FRQCR_A, r1
mov.l FRQCR_D, r0
mov.l r0, @r1
mov.l CMNCR_A, r1
mov.l CMNCR_D, r0
mov.l r0, @r1
mov.l CS0BCR_A, r1
mov.l CS0BCR_D, r0
mov.l r0, @r1
mov.l CS4BCR_A, r1
mov.l CS4BCR_D, r0
mov.l r0, @r1
mov.l CS5ABCR_A, r1
mov.l CS5ABCR_D, r0
mov.l r0, @r1
mov.l CS5BBCR_A, r1
mov.l CS5BBCR_D, r0
mov.l r0, @r1
mov.l CS6ABCR_A, r1
mov.l CS6ABCR_D, r0
mov.l r0, @r1
mov.l CS6BBCR_A, r1
mov.l CS6BBCR_D, r0
mov.l r0, @r1
mov.l CS0WCR_A, r1
mov.l CS0WCR_D, r0
mov.l r0, @r1
mov.l CS4WCR_A, r1
mov.l CS4WCR_D, r0
mov.l r0, @r1
mov.l CS5AWCR_A, r1
mov.l CS5AWCR_D, r0
mov.l r0, @r1
mov.l CS5BWCR_A, r1
mov.l CS5BWCR_D, r0
mov.l r0, @r1
mov.l CS6AWCR_A, r1
mov.l CS6AWCR_D, r0
mov.l r0, @r1
mov.l CS6BWCR_A, r1
mov.l CS6BWCR_D, r0
mov.l r0, @r1
mov.l SBSC_SDCR_A, r1
mov.l SBSC_SDCR_D1, r0
mov.l r0, @r1
mov.l SBSC_SDWCR_A, r1
mov.l SBSC_SDWCR_D, r0
mov.l r0, @r1
mov.l SBSC_SDPCR_A, r1
mov.l SBSC_SDPCR_D, r0
mov.l r0, @r1
mov.l SBSC_RTCSR_A, r1
mov.l SBSC_RTCSR_D, r0
mov.l r0, @r1
mov.l SBSC_RTCNT_A, r1
mov.l SBSC_RTCNT_D, r0
mov.l r0, @r1
mov.l SBSC_RTCOR_A, r1
mov.l SBSC_RTCOR_D, r0
mov.l r0, @r1
mov.l SBSC_SDMR3_A1, r1
mov.l SBSC_SDMR3_D, r0
mov.b r0, @r1
mov.l SBSC_SDMR3_A2, r1
mov.l SBSC_SDMR3_D, r0
mov.b r0, @r1
mov.l SLEEP_CNT, r1
2: tst r1, r1
nop
bf/s 2b
dt r1
mov.l SBSC_SDMR3_A3, r1
mov.l SBSC_SDMR3_D, r0
mov.b r0, @r1
mov.l SBSC_SDCR_A, r1
mov.l SBSC_SDCR_D2, r0
mov.l r0, @r1
mov.l CCR_A, r1
mov.l CCR_D, r0
mov.l r0, @r1
! BL bit off (init = ON) (?!?)
stc sr, r0 ! BL bit off(init=ON)
mov.l SR_MASK_D, r1
and r1, r0
ldc r0, sr
rts
mov #0, r0
.align 2
DRVCRA_A: .long DRVCRA
DRVCRB_A: .long DRVCRB
DRVCRA_D: .long 0x4555
DRVCRB_D: .long 0x0005
RWTCSR_A: .long RWTCSR
RWTCNT_A: .long RWTCNT
FRQCR_A: .long FRQCR
RWTCSR_D1: .long 0xa507
RWTCSR_D2: .long 0xa504
RWTCNT_D: .long 0x5a00
FRQCR_D: .long 0x0b04474a
SBSC_SDCR_A: .long SBSC_SDCR
SBSC_SDWCR_A: .long SBSC_SDWCR
SBSC_SDPCR_A: .long SBSC_SDPCR
SBSC_RTCSR_A: .long SBSC_RTCSR
SBSC_RTCNT_A: .long SBSC_RTCNT
SBSC_RTCOR_A: .long SBSC_RTCOR
SBSC_SDMR3_A1: .long 0xfe510000
SBSC_SDMR3_A2: .long 0xfe500242
SBSC_SDMR3_A3: .long 0xfe5c0042
SBSC_SDCR_D1: .long 0x92810112
SBSC_SDCR_D2: .long 0x92810912
SBSC_SDWCR_D: .long 0x05162482
SBSC_SDPCR_D: .long 0x00300087
SBSC_RTCSR_D: .long 0xa55a0212
SBSC_RTCNT_D: .long 0xa55a0000
SBSC_RTCOR_D: .long 0xa55a0040
SBSC_SDMR3_D: .long 0x00
CMNCR_A: .long CMNCR
CS0BCR_A: .long CS0BCR
CS4BCR_A: .long CS4BCR
CS5ABCR_A: .long CS5ABCR
CS5BBCR_A: .long CS5BBCR
CS6ABCR_A: .long CS6ABCR
CS6BBCR_A: .long CS6BBCR
CS0WCR_A: .long CS0WCR
CS4WCR_A: .long CS4WCR
CS5AWCR_A: .long CS5AWCR
CS5BWCR_A: .long CS5BWCR
CS6AWCR_A: .long CS6AWCR
CS6BWCR_A: .long CS6BWCR
CMNCR_D: .long 0x00000013
CS0BCR_D: .long 0x24920400
CS4BCR_D: .long 0x24920400
CS5ABCR_D: .long 0x24920400
CS5BBCR_D: .long 0x7fff0600
CS6ABCR_D: .long 0x24920400
CS6BBCR_D: .long 0x24920600
CS0WCR_D: .long 0x00000480
CS4WCR_D: .long 0x00000480
CS5AWCR_D: .long 0x00000380
CS5BWCR_D: .long 0x00000600
CS6AWCR_D: .long 0x00000300
CS6BWCR_D: .long 0x00000540
CCR_A: .long 0xff00001c
CCR_D: .long 0x0000090d
SLEEP_CNT: .long 0x00000800
SR_MASK_D: .long 0xEFFFFF0F
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