diff options
Diffstat (limited to 'board/ms7750se')
| -rw-r--r-- | board/ms7750se/Makefile | 43 | ||||
| -rw-r--r-- | board/ms7750se/config.mk | 23 | ||||
| -rw-r--r-- | board/ms7750se/lowlevel_init.S | 169 | ||||
| -rw-r--r-- | board/ms7750se/ms7750se.c | 51 | ||||
| -rw-r--r-- | board/ms7750se/u-boot.lds | 106 |
5 files changed, 392 insertions, 0 deletions
diff --git a/board/ms7750se/Makefile b/board/ms7750se/Makefile new file mode 100644 index 0000000..f81d56c --- /dev/null +++ b/board/ms7750se/Makefile @@ -0,0 +1,43 @@ +# +# Copyright (C) 2007 +# Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +# +# 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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := ms7750se.o +SOBJS := lowlevel_init.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +################################################################# + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +################################################################# diff --git a/board/ms7750se/config.mk b/board/ms7750se/config.mk new file mode 100644 index 0000000..1eed580 --- /dev/null +++ b/board/ms7750se/config.mk @@ -0,0 +1,23 @@ +# +# Copyright (C) 2007 +# Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +# +# 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 +# +# +# NOTE: Must match value used in u-boot.lds (in this directory). +# +TEXT_BASE = 0x8FFC0000 diff --git a/board/ms7750se/lowlevel_init.S b/board/ms7750se/lowlevel_init.S new file mode 100644 index 0000000..056c691 --- /dev/null +++ b/board/ms7750se/lowlevel_init.S @@ -0,0 +1,169 @@ +/* + modified from SH-IPL+g + Renesaso SuperH Solution Enginge MS775x BSC setting + Coyright (c) 2007 Nobuhiro Iwamatsu +*/ + +#include <config.h> +#include <version.h> + +#include <asm/processor.h> + +#ifdef CONFIG_CPU_SUBTYPE_SH7751 +#define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */ +#define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */ +#ifdef CONFIG_MRSHPC +#define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15 + A3:2 A2:15 A1:15 A0:6 A0B:7 */ +#else /* CONFIG_MRSHPC*/ +#define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15 + A3:2 A2:15 A1:15 A0:6 A0B:7 */ +#endif /* CONFIG_MRSHPC */ +#define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3 + A2: 1-3 A1: 1-3 A0: 0-1 */ +#define LED_ADDRESS 0xBA000000 /* Address of LED register */ +#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */ +#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */ +#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, ... */ +#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */ +#define SWITCH_ADDR 0xB9000000 /* Address of DIP switches */ +#else /* CONFIG_CPU_SUBTYPE_SH7751 */ +#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */ +#define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */ +#define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15 + A3:2 A2:15 A1:15 A0:15 A0B:7 */ +#define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3 + A2: 1-3 A1: 1-3 A0: 0-1 */ +#define LED_ADDRESS 0xB0C00000 /* Address of LED register */ +#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */ +#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */ +#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, ... */ +#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */ +#define SWITCH_ADDR 0xb0800000 /* Address of DIP switches */ +#endif /* CONFIG_CPU_SUBTYPE_SH7751 */ + + .global lowlevel_init + .text + .align 2 + +lowlevel_init: + + mov.l L_CCR, r1 ! CCR Address + mov.l L_CCR_DISABLE, r0 ! CCR Data + mov.l r0, @r1 + +init_bsc: + mov.l FRQCR_A,r1 /* FRQCR Address */ + mov.l FRQCR_D,r0 /* FRQCR Data */ + mov.w r0,@r1 + + mov.l BCR1_A,r1 /* BCR1 Address */ + mov.l BCR1_D,r0 /* BCR1 Data */ + mov.l r0,@r1 + + mov.l BCR2_A,r1 /* BCR2 Address */ + mov.l BCR2_D,r0 /* BCR2 Data */ + mov.w r0,@r1 + + mov.l WCR1_A,r1 /* WCR1 Address */ + mov.l WCR1_D,r0 /* WCR1 Data */ + mov.l r0,@r1 + + mov.l WCR2_A,r1 /* WCR2 Address */ + mov.l WCR2_D,r0 /* WCR2 Data */ + mov.l r0,@r1 + + mov.l WCR3_A,r1 /* WCR3 Address */ + mov.l WCR3_D,r0 /* WCR3 Data */ + mov.l r0,@r1 + + mov.l LED_A,r1 /* LED Address */ + mov #0xff,r0 /* LED ALL 'on' */ + shll8 r0 + mov.w r0,@r1 + + mov.l MCR_A,r1 /* MCR Address */ + mov.l MCR_D1,r0 /* MCR Data1 */ + mov.l r0,@r1 + + mov.l SDMR3_A,r1 /* Set SDRAM mode */ + mov #0,r0 + mov.b r0,@r1 + + ! Do you need PCMCIA setting? + ! If so, please add the lines here... + + mov.l RTCNT_A,r1 /* RTCNT Address */ + mov.l RTCNT_D,r0 /* RTCNT Data */ + mov.w r0,@r1 + + mov.l RTCOR_A,r1 /* RTCOR Address */ + mov.l RTCOR_D,r0 /* RTCOR Data */ + mov.w r0,@r1 + + mov.l RTCSR_A,r1 /* RTCSR Address */ + mov.l RTCSR_D,r0 /* RTCSR Data */ + mov.w r0,@r1 + + mov.l RFCR_A,r1 /* RFCR Address */ + mov.l RFCR_D,r0 /* RFCR Data */ + mov.w r0,@r1 /* Clear reflesh counter */ + /* Wait DRAM refresh 30 times */ + mov #30,r3 +1: + mov.w @r1,r0 + extu.w r0,r2 + cmp/hi r3,r2 + bf 1b + + mov.l MCR_A,r1 /* MCR Address */ + mov.l MCR_D2,r0 /* MCR Data2 */ + mov.l r0,@r1 + + mov.l SDMR3_A,r1 /* Set SDRAM mode */ + mov #0,r0 + mov.b r0,@r1 + + rts + nop + + .align 2 + +L_CCR: .long CCR +L_CCR_DISABLE: .long 0x0808 +FRQCR_A: .long FRQCR +FRQCR_D: +#ifdef CONFIG_CPU_SUBTYPE_SH_R + .long 0x00000e1a /* 12:3:3 */ +#else +#ifdef CONFIG_GOOD_SESH4 + .long 0x00000e13 /* 6:2:1 */ +#else + .long 0x00000e23 /* 6:1:1 */ +#endif +#endif /* CONFIG_CPU_SUBTYPE_SH_R */ + +BCR1_A: .long BCR1 +BCR1_D: .long 0x00000008 /* Area 3 SDRAM */ +BCR2_A: .long BCR2 +BCR2_D: .long BCR2_D_VALUE /* Bus width settings */ +WCR1_A: .long WCR1 +WCR1_D: .long WCR1_D_VALUE /* Inter-area or turnaround wait states */ +WCR2_A: .long WCR2 +WCR2_D: .long WCR2_D_VALUE /* Per-area access and burst wait states */ +WCR3_A: .long WCR3 +WCR3_D: .long WCR3_D_VALUE /* Address setup and data hold cycles */ +LED_A: .long LED_ADDRESS /* LED Address */ +RTCSR_A: .long RTCSR +RTCSR_D: .long 0xA518 /* RTCSR Write Code A5h Data 18h */ +RTCNT_A: .long RTCNT +RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */ +RTCOR_A: .long RTCOR +RTCOR_D: .long RTCOR_D_VALUE /* Set refresh time (about 15us) */ +SDMR3_A: .long SDMR3_ADDRESS +MCR_A: .long MCR +MCR_D1: .long MCR_D1_VALUE +MCR_D2: .long MCR_D2_VALUE +RFCR_A: .long RFCR +RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ + diff --git a/board/ms7750se/ms7750se.c b/board/ms7750se/ms7750se.c new file mode 100644 index 0000000..4b4697b --- /dev/null +++ b/board/ms7750se/ms7750se.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2007 + * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> +#include <asm/processor.h> + +int checkboard(void) +{ + puts("BOARD: SH7750 Solution Engine\n"); + return 0; +} + +int board_init(void) +{ + return 0; +} + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_memstart = CFG_SDRAM_BASE; + gd->bd->bi_memsize = CFG_SDRAM_SIZE; + printf("DRAM: %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024)); + return 0; +} + +int board_late_init(void) +{ + return 0; +} diff --git a/board/ms7750se/u-boot.lds b/board/ms7750se/u-boot.lds new file mode 100644 index 0000000..24c2184 --- /dev/null +++ b/board/ms7750se/u-boot.lds @@ -0,0 +1,106 @@ +/* + * Copyrigth (c) 2007 + * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux") +OUTPUT_ARCH(sh) +ENTRY(_start) + +SECTIONS +{ + /* + Base address of internal SDRAM is 0x0C000000. + Although size of SDRAM can be either 16 or 32 MBytes, + we assume 16 MBytes (ie ignore upper half if the full + 32 MBytes is present). + + NOTE: This address must match with the definition of + TEXT_BASE in config.mk (in this directory). + + */ + . = 0x8C000000 + (64*1024*1024) - (256*1024); + + PROVIDE (reloc_dst = .); + + PROVIDE (_ftext = .); + PROVIDE (_fcode = .); + PROVIDE (_start = .); + + .text : + { + cpu/sh4/start.o (.text) + . = ALIGN(8192); + common/environment.o (.ppcenv) + . = ALIGN(8192); + common/environment.o (.ppcenvr) + . = ALIGN(8192); + *(.text) + . = ALIGN(4); + } =0xFF + PROVIDE (_ecode = .); + .rodata : + { + *(.rodata) + . = ALIGN(4); + } + PROVIDE (_etext = .); + + + PROVIDE (_fdata = .); + .data : + { + *(.data) + . = ALIGN(4); + } + PROVIDE (_edata = .); + + PROVIDE (_fgot = .); + .got : + { + *(.got) + . = ALIGN(4); + } + PROVIDE (_egot = .); + + PROVIDE (__u_boot_cmd_start = .); + .u_boot_cmd : + { + *(.u_boot_cmd) + . = ALIGN(4); + } + PROVIDE (__u_boot_cmd_end = .); + + PROVIDE (reloc_dst_end = .); + /* _reloc_dst_end = .; */ + + PROVIDE (bss_start = .); + PROVIDE (__bss_start = .); + .bss : + { + *(.bss) + . = ALIGN(4); + } + PROVIDE (bss_end = .); + + PROVIDE (_end = .); +} + |