From ab68f921d9c741830f721c3d879c13a0c5597183 Mon Sep 17 00:00:00 2001 From: Daniel Hellstrom Date: Fri, 28 Mar 2008 10:20:43 +0100 Subject: SPARC/LEON2: added support for Gaisler simulator GRSIM/TSIM for SPARC/LEON2 targets. See www.gaisler.com for information. Signed-off-by: Daniel Hellstrom --- board/gaisler/grsim_leon2/Makefile | 50 ++++++++++ board/gaisler/grsim_leon2/config.mk | 34 +++++++ board/gaisler/grsim_leon2/grsim_leon2.c | 43 +++++++++ board/gaisler/grsim_leon2/u-boot.lds | 159 ++++++++++++++++++++++++++++++++ 4 files changed, 286 insertions(+) create mode 100644 board/gaisler/grsim_leon2/Makefile create mode 100644 board/gaisler/grsim_leon2/config.mk create mode 100644 board/gaisler/grsim_leon2/grsim_leon2.c create mode 100644 board/gaisler/grsim_leon2/u-boot.lds (limited to 'board/gaisler') diff --git a/board/gaisler/grsim_leon2/Makefile b/board/gaisler/grsim_leon2/Makefile new file mode 100644 index 0000000000..6295109563 --- /dev/null +++ b/board/gaisler/grsim_leon2/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2003-2004 +# 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 = $(obj)lib$(BOARD).a + +COBJS := $(BOARD).o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/gaisler/grsim_leon2/config.mk b/board/gaisler/grsim_leon2/config.mk new file mode 100644 index 0000000000..65eba1bb7b --- /dev/null +++ b/board/gaisler/grsim_leon2/config.mk @@ -0,0 +1,34 @@ +# +# (C) Copyright 2007 +# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# GRSIM simulating a LEON2 board +# + +# RUN U-BOOT FROM PROM +TEXT_BASE = 0x00000000 + +# RUN U-BOOT FROM RAM +#TEXT_BASE = 0x40000000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/gaisler/grsim_leon2/grsim_leon2.c b/board/gaisler/grsim_leon2/grsim_leon2.c new file mode 100644 index 0000000000..55dfe8286a --- /dev/null +++ b/board/gaisler/grsim_leon2/grsim_leon2.c @@ -0,0 +1,43 @@ +/* GRSIM/TSIM board + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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 +#include + +long int initdram(int board_type) +{ + return 1; +} + +int checkboard(void) +{ + puts("Board: GRSIM/TSIM LEON2\n"); + return 0; +} + +int misc_init_r(void) +{ + return 0; +} diff --git a/board/gaisler/grsim_leon2/u-boot.lds b/board/gaisler/grsim_leon2/u-boot.lds new file mode 100644 index 0000000000..2a22082a83 --- /dev/null +++ b/board/gaisler/grsim_leon2/u-boot.lds @@ -0,0 +1,159 @@ +/* Linker script for Gaisler Research AB's GRSIM LEON2 simulator. + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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-sparc", "elf32-sparc", "elf32-sparc") +OUTPUT_ARCH(sparc) +ENTRY(_start) +SECTIONS +{ + +/* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + + .text : { + _load_addr = .; + _text = .; + + *(.start) + cpu/leon2/start.o (.text) +/* 8k is the same as the PROM offset from end of main memory, (CFG_PROM_SIZE) */ + . = ALIGN(8192); +/* PROM CODE, Will be relocated to the end of memory, + * no global data accesses please. + */ + __prom_start = .; + *(.prom.pgt) + *(.prom.data) + *(.prom.text) + . = ALIGN(16); + __prom_end = .; + *(.text) + *(.fixup) + *(.gnu.warning) +/* *(.got1)*/ + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.*) + *(.eh_frame) + } + . = ALIGN(4); + _etext = .; + + /* CMD Table */ + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + . = ALIGN(4); + __u_boot_cmd_end = .; + + .data : + { + *(.data) + *(.data1) + *(.data.rel) + *(.data.rel.*) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = ALIGN(4); + __got_start = .; + .got : { + *(.got) +/* *(.data.rel) + *(.data.rel.local)*/ + . = ALIGN(16); + } + __got_end = .; + +/* .data.rel : { } */ + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(16); /* to speed clearing of bss up */ + } + __bss_end = . ; + _end = . ; + PROVIDE (end = .); + +/* Relocated into main memory */ + + /* Start of main memory */ + /*. = 0x40000000;*/ + + .stack (NOLOAD) : { *(.stack) } + + /* PROM CODE */ + + /* global data in RAM passed to kernel after booting */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + +} -- cgit v1.2.1