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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2008-10-24 10:49:48 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2008-10-31 23:04:56 +0900
commit51b572a801be57790fe26adaa530210e7fba59cc (patch)
treeee5253763c96556eeeb8b1ab5a1647848b8af85b /board/renesas/rsk7203/lowlevel_init.S
parent58453b00b3ebb26aaa901210023f99504a90bb00 (diff)
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sh: rsk7203: Moved rsk7203 board to board/renesas
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/rsk7203/lowlevel_init.S')
-rw-r--r--board/renesas/rsk7203/lowlevel_init.S265
1 files changed, 265 insertions, 0 deletions
diff --git a/board/renesas/rsk7203/lowlevel_init.S b/board/renesas/rsk7203/lowlevel_init.S
new file mode 100644
index 0000000..e4d6f9e
--- /dev/null
+++ b/board/renesas/rsk7203/lowlevel_init.S
@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) 2008 Nobuhiro Iwamatsu
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * 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>
+
+ .global lowlevel_init
+
+ .text
+ .align 2
+
+lowlevel_init:
+ /* Cache setting */
+ mov.l CCR1_A ,r1
+ mov.l CCR1_D ,r0
+ mov.l r0,@r1
+
+ /* ConfigurePortPins */
+ mov.l PECRL3_A, r1
+ mov.l PECRL3_D, r0
+ mov.w r0,@r1
+
+ mov.l PCCRL4_A, r1
+ mov.l PCCRL4_D0, r0
+ mov.w r0,@r1
+
+ mov.l PECRL4_A, r1
+ mov.l PECRL4_D0, r0
+ mov.w r0,@r1
+
+ mov.l PEIORL_A, r1
+ mov.l PEIORL_D0, r0
+ mov.w r0,@r1
+
+ mov.l PCIORL_A, r1
+ mov.l PCIORL_D, r0
+ mov.w r0,@r1
+
+ mov.l PFCRH2_A, r1
+ mov.l PFCRH2_D, r0
+ mov.w r0,@r1
+
+ mov.l PFCRH3_A, r1
+ mov.l PFCRH3_D, r0
+ mov.w r0,@r1
+
+ mov.l PFCRH1_A, r1
+ mov.l PFCRH1_D, r0
+ mov.w r0,@r1
+
+ mov.l PFIORH_A, r1
+ mov.l PFIORH_D, r0
+ mov.w r0,@r1
+
+ mov.l PECRL1_A, r1
+ mov.l PECRL1_D0, r0
+ mov.w r0,@r1
+
+ mov.l PEIORL_A, r1
+ mov.l PEIORL_D1, r0
+ mov.w r0,@r1
+
+ /* Configure Operating Frequency */
+ mov.l WTCSR_A ,r1
+ mov.l WTCSR_D0 ,r0
+ mov.w r0,@r1
+
+ mov.l WTCSR_A ,r1
+ mov.l WTCSR_D1 ,r0
+ mov.w r0,@r1
+
+ mov.l WTCNT_A ,r1
+ mov.l WTCNT_D ,r0
+ mov.w r0,@r1
+
+ /* Set clock mode*/
+ mov.l FRQCR_A,r1
+ mov.l FRQCR_D,r0
+ mov.w r0,@r1
+
+ /* Configure Bus And Memory */
+init_bsc_cs0:
+ mov.l PCCRL4_A,r1
+ mov.l PCCRL4_D1,r0
+ mov.w r0,@r1
+
+ mov.l PECRL1_A,r1
+ mov.l PECRL1_D1,r0
+ mov.w r0,@r1
+
+ mov.l CMNCR_A,r1
+ mov.l CMNCR_D,r0
+ mov.l r0,@r1
+
+ mov.l SC0BCR_A,r1
+ mov.l SC0BCR_D,r0
+ mov.l r0,@r1
+
+ mov.l CS0WCR_A,r1
+ mov.l CS0WCR_D,r0
+ mov.l r0,@r1
+
+init_bsc_cs1:
+ mov.l PECRL4_A,r1
+ mov.l PECRL4_D1,r0
+ mov.w r0,@r1
+
+ mov.l CS1WCR_A,r1
+ mov.l CS1WCR_D,r0
+ mov.l r0,@r1
+
+init_sdram:
+ mov.l PCCRL2_A,r1
+ mov.l PCCRL2_D,r0
+ mov.w r0,@r1
+
+ mov.l PCCRL4_A,r1
+ mov.l PCCRL4_D2,r0
+ mov.w r0,@r1
+
+ mov.l PCCRL1_A,r1
+ mov.l PCCRL1_D,r0
+ mov.w r0,@r1
+
+ mov.l PCCRL3_A,r1
+ mov.l PCCRL3_D,r0
+ mov.w r0,@r1
+
+ mov.l CS3BCR_A,r1
+ mov.l CS3BCR_D,r0
+ mov.l r0,@r1
+
+ mov.l CS3WCR_A,r1
+ mov.l CS3WCR_D,r0
+ mov.l r0,@r1
+
+ mov.l SDCR_A,r1
+ mov.l SDCR_D,r0
+ mov.l r0,@r1
+
+ mov.l RTCOR_A,r1
+ mov.l RTCOR_D,r0
+ mov.l r0,@r1
+
+ mov.l RTCSR_A,r1
+ mov.l RTCSR_D,r0
+ mov.l r0,@r1
+
+ /* wait 200us */
+ mov.l REPEAT_D,r3
+ mov #0,r2
+repeat0:
+ add #1,r2
+ cmp/hs r3,r2
+ bf repeat0
+ nop
+
+ mov.l SDRAM_MODE, r1
+ mov #0,r0
+ mov.l r0, @r1
+
+ nop
+ rts
+
+ .align 4
+
+CCR1_A: .long CCR1
+CCR1_D: .long 0x0000090B
+PCCRL4_A: .long 0xFFFE3910
+PCCRL4_D0: .long 0x00000000
+PECRL4_A: .long 0xFFFE3A10
+PECRL4_D0: .long 0x00000000
+PECRL3_A: .long 0xFFFE3A12
+PECRL3_D: .long 0x00000000
+PEIORL_A: .long 0xFFFE3A06
+PEIORL_D0: .long 0x00001C00
+PEIORL_D1: .long 0x00001C02
+PCIORL_A: .long 0xFFFE3906
+PCIORL_D: .long 0x00004000
+PFCRH2_A: .long 0xFFFE3A8C
+PFCRH2_D: .long 0x00000000
+PFCRH3_A: .long 0xFFFE3A8A
+PFCRH3_D: .long 0x00000000
+PFCRH1_A: .long 0xFFFE3A8E
+PFCRH1_D: .long 0x00000000
+PFIORH_A: .long 0xFFFE3A84
+PFIORH_D: .long 0x00000729
+PECRL1_A: .long 0xFFFE3A16
+PECRL1_D0: .long 0x00000033
+
+
+WTCSR_A: .long 0xFFFE0000
+WTCSR_D0: .long 0x0000A518
+WTCSR_D1: .long 0x0000A51D
+WTCNT_A: .long 0xFFFE0002
+WTCNT_D: .long 0x00005A84
+FRQCR_A: .long 0xFFFE0010
+FRQCR_D: .long 0x00000104
+
+PCCRL4_D1: .long 0x00000010
+PECRL1_D1: .long 0x00000133
+
+CMNCR_A: .long 0xFFFC0000
+CMNCR_D: .long 0x00001810
+SC0BCR_A: .long 0xFFFC0004
+SC0BCR_D: .long 0x10000400
+CS0WCR_A: .long 0xFFFC0028
+CS0WCR_D: .long 0x00000B41
+PECRL4_D1: .long 0x00000100
+CS1WCR_A: .long 0xFFFC002C
+CS1WCR_D: .long 0x00000B01
+PCCRL4_D2: .long 0x00000011
+PCCRL3_A: .long 0xFFFE3912
+PCCRL3_D: .long 0x00000011
+PCCRL2_A: .long 0xFFFE3914
+PCCRL2_D: .long 0x00001111
+PCCRL1_A: .long 0xFFFE3916
+PCCRL1_D: .long 0x00001010
+PDCRL4_A: .long 0xFFFE3990
+PDCRL4_D: .long 0x00000011
+PDCRL3_A: .long 0xFFFE3992
+PDCRL3_D: .long 0x00000011
+PDCRL2_A: .long 0xFFFE3994
+PDCRL2_D: .long 0x00001111
+PDCRL1_A: .long 0xFFFE3996
+PDCRL1_D: .long 0x00001000
+CS3BCR_A: .long 0xFFFC0010
+CS3BCR_D: .long 0x00004400
+CS3WCR_A: .long 0xFFFC0034
+CS3WCR_D: .long 0x00002892
+SDCR_A: .long 0xFFFC004C
+SDCR_D: .long 0x00000809
+RTCOR_A: .long 0xFFFC0058
+RTCOR_D: .long 0xA55A0041
+RTCSR_A: .long 0xFFFC0050
+RTCSR_D: .long 0xa55a0010
+
+STBCR3_A: .long 0xFFFE0408
+STBCR3_D: .long 0x00000000
+STBCR4_A: .long 0xFFFE040C
+STBCR4_D: .long 0x00000008
+STBCR5_A: .long 0xFFFE0410
+STBCR5_D: .long 0x00000000
+STBCR6_A: .long 0xFFFE0414
+STBCR6_D: .long 0x00000002
+SDRAM_MODE: .long 0xFFFC5040
+REPEAT_D: .long 0x00009C40