diff options
Diffstat (limited to 'board/altera/dk1c20')
-rwxr-xr-x | board/altera/dk1c20/Makefile | 48 | ||||
-rwxr-xr-x | board/altera/dk1c20/config.mk | 29 | ||||
-rwxr-xr-x | board/altera/dk1c20/dk1c20.c | 81 | ||||
-rwxr-xr-x | board/altera/dk1c20/flash.c | 62 | ||||
-rwxr-xr-x | board/altera/dk1c20/misc.c | 33 | ||||
-rwxr-xr-x | board/altera/dk1c20/u-boot.lds | 70 | ||||
-rwxr-xr-x | board/altera/dk1c20/vectors.S | 123 |
7 files changed, 446 insertions, 0 deletions
diff --git a/board/altera/dk1c20/Makefile b/board/altera/dk1c20/Makefile new file mode 100755 index 0000000..9182a4e --- /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) > $@ + +-include .depend + +######################################################################### diff --git a/board/altera/dk1c20/config.mk b/board/altera/dk1c20/config.mk new file mode 100755 index 0000000..d200715 --- /dev/null +++ b/board/altera/dk1c20/config.mk @@ -0,0 +1,29 @@ +# +# (C) Copyright 2003 +# Psyent Corporation +# Scott McNutt <smcnutt@psyent.com> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = 0x018c0000 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif diff --git a/board/altera/dk1c20/dk1c20.c b/board/altera/dk1c20/dk1c20.c new file mode 100755 index 0000000..98ee7a7 --- /dev/null +++ b/board/altera/dk1c20/dk1c20.c @@ -0,0 +1,81 @@ +/* + * (C) Copyright 2003, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * CompactFlash/IDE: + * (C) Copyright 2004, Shlomo Kut <skut@vyyo.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> +#include <nios-io.h> +#if defined(CONFIG_SEVENSEG) +#include "../common/sevenseg.h" +#endif + +void _default_hdlr (void) +{ + printf ("default_hdlr\n"); +} + +int board_early_init_f (void) +{ +#if defined(CONFIG_SEVENSEG) + /* init seven segment led display and switch off */ + sevenseg_set(SEVENSEG_OFF); +#endif + return 0; +} + +int checkboard (void) +{ + puts ("Board: Altera Nios 1C20 Development Kit\n"); + return 0; +} + +long int initdram (int board_type) +{ + return (0); +} + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) +int ide_preinit (void) +{ + nios_pio_t *present = (nios_pio_t *) CFG_CF_PRESENT; + nios_pio_t *power = (nios_pio_t *) CFG_CF_POWER; + nios_pio_t *atasel = (nios_pio_t *) CFG_CF_ATASEL; + + /* setup data direction registers */ + present->direction = NIOS_PIO_IN; + power->direction = NIOS_PIO_OUT; + atasel->direction = NIOS_PIO_OUT; + + /* Check for presence of card */ + if (present->data) + return 1; + printf ("Ok\n"); + + /* Finish setup */ + power->data = 1; /* Turn on power FET */ + atasel->data = 0; /* Put in ATA mode */ + + return 0; +} +#endif /* CONFIG_COMMANDS & CFG_CMD_IDE */ diff --git a/board/altera/dk1c20/flash.c b/board/altera/dk1c20/flash.c new file mode 100755 index 0000000..1f344dd --- /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 100755 index 0000000..f25cdeb --- /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 100755 index 0000000..8b01f45 --- /dev/null +++ b/board/altera/dk1c20/u-boot.lds @@ -0,0 +1,70 @@ +/* + * (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 100755 index 0000000..c83c0e7 --- /dev/null +++ b/board/altera/dk1c20/vectors.S @@ -0,0 +1,123 @@ +/* + * (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. + * _brkpt_hw_int -Hardware breakpoint handler. + * _brkpt_sw_int -Software breakpoint handler. + * _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 _brkpt_hw_int@h /* Vector 3 - Breakpoint */ + .long _brkpt_sw_int@h /* Vector 4 - Single step*/ + .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 */ |