diff options
Diffstat (limited to 'board/altera/dk1c20')
| -rw-r--r-- | board/altera/dk1c20/Makefile | 48 | ||||
| -rw-r--r-- | board/altera/dk1c20/config.mk | 29 | ||||
| -rw-r--r-- | board/altera/dk1c20/dk1c20.c | 50 | ||||
| -rw-r--r-- | board/altera/dk1c20/flash.c | 62 | ||||
| -rw-r--r-- | board/altera/dk1c20/misc.c | 33 | ||||
| -rw-r--r-- | board/altera/dk1c20/u-boot.lds | 69 | ||||
| -rw-r--r-- | board/altera/dk1c20/vectors.S | 122 | 
7 files changed, 413 insertions, 0 deletions
| diff --git a/board/altera/dk1c20/Makefile b/board/altera/dk1c20/Makefile new file mode 100644 index 000000000..9182a4ecf --- /dev/null +++ b/board/altera/dk1c20/Makefile @@ -0,0 +1,48 @@ +# +# (C) Copyright 2001-2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 $(TOPDIR)/config.mk + +LIB	= lib$(BOARD).a + +OBJS	:= $(BOARD).o flash.o misc.o + +SOBJS  = vectors.o + +$(LIB):	$(OBJS) $(SOBJS) +	$(AR) crv $@ $^ + +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) > $@ + +-include .depend + +######################################################################### diff --git a/board/altera/dk1c20/config.mk b/board/altera/dk1c20/config.mk new file mode 100644 index 000000000..d200715f5 --- /dev/null +++ b/board/altera/dk1c20/config.mk @@ -0,0 +1,29 @@ +# +# (C) Copyright 2003 +# Psyent Corporation +# Scott McNutt <smcnutt@psyent.com> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = 0x018c0000 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif diff --git a/board/altera/dk1c20/dk1c20.c b/board/altera/dk1c20/dk1c20.c new file mode 100644 index 000000000..96f1ecef6 --- /dev/null +++ b/board/altera/dk1c20/dk1c20.c @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2003, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * 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> +#if	defined(CONFIG_SEVENSEG) +#include "../common/sevenseg.h" +#endif + +void _default_hdlr (void) +{ +	printf ("default_hdlr\n"); +} + +int board_pre_init (void) +{ +	/* init seven segment led display and switch off */ +	sevenseg_set(SEVENSEG_OFF); +	return 0; +} + +int checkboard (void) +{ +	puts ("Board: Altera Nios 1C20 Development Kit\n"); +	return 0; +} + +long int initdram (int board_type) +{ +	return (0); +} diff --git a/board/altera/dk1c20/flash.c b/board/altera/dk1c20/flash.c new file mode 100644 index 000000000..1f344dd33 --- /dev/null +++ b/board/altera/dk1c20/flash.c @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 <nios.h> + +/* + * include common flash code (for altera boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------*/ +#define BANKSZ		CFG_FLASH_SIZE +#define SECTSZ		(64 * 1024) +#define USERFLASH	(2 * 1024 * 1024)	/* bottom 2 MB for user	*/ + +/*----------------------------------------------------------------------*/ +unsigned long flash_init (void) +{ +	int i; +	unsigned long addr; +	flash_info_t *fli = &flash_info[0]; + +	fli->size = BANKSZ; +	fli->sector_count = CFG_MAX_FLASH_SECT; +	fli->flash_id = FLASH_MAN_AMD + FLASH_AMDLV065D; + +	addr = CFG_FLASH_BASE; +	for (i = 0; i < fli->sector_count; ++i) { +		fli->start[i] = addr; +		addr += SECTSZ; + +		/* Protect all but 2 MByte user area */ +		if (addr < (CFG_FLASH_BASE + USERFLASH)) +			fli->protect[i] = 0; +		else +			fli->protect[i] = 1; +	} + +	return (BANKSZ); +} diff --git a/board/altera/dk1c20/misc.c b/board/altera/dk1c20/misc.c new file mode 100644 index 000000000..f25cdebd7 --- /dev/null +++ b/board/altera/dk1c20/misc.c @@ -0,0 +1,33 @@ +/* + * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net> + * Stephan Linz <linz@li-pro.net> + * + * 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 + * + * board/altera/dk1s10/misc.c + * + * miscellaneous board interfaces / drivers + */ + +#include <common.h> + +#if	defined(CONFIG_SEVENSEG) +#include "../common/sevenseg.h" +#include "../common/sevenseg.c" +#endif diff --git a/board/altera/dk1c20/u-boot.lds b/board/altera/dk1c20/u-boot.lds new file mode 100644 index 000000000..a7d35af3f --- /dev/null +++ b/board/altera/dk1c20/u-boot.lds @@ -0,0 +1,69 @@ +/* + * (C) Copyright 2003, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * 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-nios") +OUTPUT_ARCH(nios) +ENTRY(_start) + +SECTIONS +{ +	.text : +	{ +	  cpu/nios/start.o (.text) +	  *(.text) +	} +	__text_end = .; + +	. = ALIGN(4); +	.rodata : +	{ +		*(.rodata) +	} +	__rodata_end = .; + +	. = ALIGN(4); +	.data : +	{ +		*(.data) +	} +	. = ALIGN(4); +	__data_end = .; + +	__u_boot_cmd_start = .; +	.u_boot_cmd : +	{ +		*(.u_boot_cmd) +	} +	. = ALIGN(4); +	__u_boot_cmd_end = .; + +	__bss_start = .; +	. = ALIGN(4); +	.bss : +	{ +		*(.bss) +	} +	. = ALIGN(4); +	__bss_end = .; +} diff --git a/board/altera/dk1c20/vectors.S b/board/altera/dk1c20/vectors.S new file mode 100644 index 000000000..7094eb63e --- /dev/null +++ b/board/altera/dk1c20/vectors.S @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2003, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * 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 + */ + + +/************************************************************************* + * Exception Vector Table + * + * This could have gone in the cpu soure tree, but the whole point of + * Nios is customization -- and polluting the cpu source tree with + * board-specific ifdef's really defeats the purpose, no? With this in + * the board-specific tree, each board has the freedom to organize + * vectors/traps, etc anyway it wants. The init code copies this table + * to the proper location. + * + * Each board can do what it likes here. But there are four "standard" + * handlers availble: + * + *	_cwp_lolimit	-Handles register window underflows. + *	_cwp_hilimit	-Handles register window overflows. + *	_timebase_int	-Increments the timebase. + *	_def_xhandler	-Default exception handler. + * + * _timebase_int handles a Nios Timer interrupt and increments the + * timestamp used for the get_timer(), reset_timer(), etc. routines. It + * expects the timer to be configured like the standard-32 low priority + * timer. + * + * _def_xhandler dispatches exceptions/traps via the external_interrupt() + * routine. This lets you use the irq_install_handler() and handle your + * interrupts/traps with code written in C. + ************************************************************************/ + +	.data +	.global _vectors +	.align	4 +_vectors: + +	.long	_def_xhandler@h		/* Vector 0  - NMI */ +	.long	_cwp_lolimit@h		/* Vector 1  -  underflow */ +	.long	_cwp_hilimit@h		/* Vector 2  - overflow	*/ + +	.long	_def_xhandler@h		/* Vector 3 - GNUPro debug */ +	.long	_def_xhandler@h		/* Vector 4 - GNUPro debug */ +	.long	_def_xhandler@h		/* Vector 5 - GNUPro debug */ +	.long	_def_xhandler@h		/* Vector 6 - future reserved */ +	.long	_def_xhandler@h		/* Vector 7 - future reserved */ +	.long	_def_xhandler@h		/* Vector 8 - future reserved */ +	.long	_def_xhandler@h		/* Vector 9 - future reserved */ +	.long	_def_xhandler@h		/* Vector 10 - future reserved */ +	.long	_def_xhandler@h		/* Vector 11 - future reserved */ +	.long	_def_xhandler@h		/* Vector 12 - future reserved */ +	.long	_def_xhandler@h		/* Vector 13 - future reserved */ +	.long	_def_xhandler@h		/* Vector 14 - future reserved */ +	.long	_def_xhandler@h		/* Vector 15 - future reserved */ +	.long	_def_xhandler@h		/* Vector 16 */ +	.long	_def_xhandler@h		/* Vector 17 */ +	.long	_def_xhandler@h		/* Vector 18 */ +	.long	_def_xhandler@h		/* Vector 19 */ +	.long	_def_xhandler@h		/* Vector 20 */ +	.long	_def_xhandler@h		/* Vector 21 */ +	.long	_def_xhandler@h		/* Vector 22 */ +	.long	_def_xhandler@h		/* Vector 23 */ +	.long	_def_xhandler@h		/* Vector 24 */ +	.long	_def_xhandler@h		/* Vector 25 */ +	.long	_def_xhandler@h		/* Vector 26 */ +	.long	_def_xhandler@h		/* Vector 27 */ +	.long	_def_xhandler@h		/* Vector 28 */ +	.long	_def_xhandler@h		/* Vector 29 */ +	.long	_def_xhandler@h		/* Vector 30 */ +	.long	_def_xhandler@h		/* Vector 31 */ +	.long	_def_xhandler@h		/* Vector 32 */ +	.long	_def_xhandler@h		/* Vector 33 */ +	.long	_def_xhandler@h		/* Vector 34 */ +	.long	_def_xhandler@h		/* Vector 35 */ +	.long	_def_xhandler@h		/* Vector 36 */ +	.long	_def_xhandler@h		/* Vector 37 */ +	.long	_def_xhandler@h		/* Vector 38 */ +	.long	_def_xhandler@h		/* Vector 39 */ +	.long	_def_xhandler@h		/* Vector 40 */ +	.long	_def_xhandler@h		/* Vector 41 */ +	.long	_def_xhandler@h		/* Vector 42 */ +	.long	_def_xhandler@h		/* Vector 43 */ +	.long	_def_xhandler@h		/* Vector 44 */ +	.long	_def_xhandler@h		/* Vector 45 */ +	.long	_def_xhandler@h		/* Vector 46 */ +	.long	_def_xhandler@h		/* Vector 47 */ +	.long	_def_xhandler@h		/* Vector 48 */ +	.long	_def_xhandler@h		/* Vector 49 */ +	.long	_timebase_int@h		/* Vector 50 - lopri timer*/ +	.long	_def_xhandler@h		/* Vector 51 */ +	.long	_def_xhandler@h		/* Vector 52 */ +	.long	_def_xhandler@h		/* Vector 53 */ +	.long	_def_xhandler@h		/* Vector 54 */ +	.long	_def_xhandler@h		/* Vector 55 */ +	.long	_def_xhandler@h		/* Vector 56 */ +	.long	_def_xhandler@h		/* Vector 57 */ +	.long	_def_xhandler@h		/* Vector 58 */ +	.long	_def_xhandler@h		/* Vector 59 */ +	.long	_def_xhandler@h		/* Vector 60 */ +	.long	_def_xhandler@h		/* Vector 61 */ +	.long	_def_xhandler@h		/* Vector 62 */ +	.long	_def_xhandler@h		/* Vector 63 */ |