Merge branch 'master' of git://git.denx.de/u-boot-sh

1 files changed, 243 insertions, 0 deletions

diff --git a/board/ap325rxa/lowlevel_init.S b/board/ap325rxa/lowlevel_init.S
new file mode 100644
index 0000000..4f66588
--- /dev/null
+++ b/board/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