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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2008-10-24 10:32:14 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2008-10-31 23:04:18 +0900
commitf84e6ea275353b8fea772ec7553ff7e4b1f642e0 (patch)
treebc7f5b3cc13cd622ddd7153ff90cb54327a1a445 /board/renesas/ap325rxa/lowlevel_init.S
parent7c84fe6a06dad9f793ed85b39b1e6c11a7882f5c (diff)
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sh: ap325rxa: Moved ap325rxa board to board/renesas
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/ap325rxa/lowlevel_init.S')
-rw-r--r--board/renesas/ap325rxa/lowlevel_init.S243
1 files changed, 243 insertions, 0 deletions
diff --git a/board/renesas/ap325rxa/lowlevel_init.S b/board/renesas/ap325rxa/lowlevel_init.S
new file mode 100644
index 0000000..4f66588
--- /dev/null
+++ b/board/renesas/ap325rxa/lowlevel_init.S
@@ -0,0 +1,243 @@
+/*
+ * 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