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Diffstat (limited to 'board/rsk7203/lowlevel_init.S')
| -rw-r--r-- | board/rsk7203/lowlevel_init.S | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/board/rsk7203/lowlevel_init.S b/board/rsk7203/lowlevel_init.S new file mode 100644 index 0000000..e4d6f9e --- /dev/null +++ b/board/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 |