SPARC/LEON3: added support for Gaisler GRSIM/TSIM2 SPARC/LEON3 simulatorn. See www.gaisler.com for information.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>

4 files changed, 288 insertions, 0 deletions

diff --git a/board/gaisler/grsim/Makefile b/board/gaisler/grsim/Makefile
new file mode 100644
index 0000000..6295109
--- /dev/null
+++ b/board/gaisler/grsim/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 $(obj).depend
+
+#########################################################################
diff --git a/board/gaisler/grsim/config.mk b/board/gaisler/grsim/config.mk
new file mode 100644
index 0000000..81cd415
--- /dev/null
+++ b/board/gaisler/grsim/config.mk
@@ -0,0 +1,34 @@
+#
+# (C) Copyright 2007
+# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# GRSIM simulating a LEON3 GR-XC3S-1500 board
+#
+
+# U-BOOT IN FLASH
+TEXT_BASE = 0x00000000
+
+# U-BOOT IN RAM
+#TEXT_BASE = 0x40000000
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/gaisler/grsim/grsim.c b/board/gaisler/grsim/grsim.c
new file mode 100644
index 0000000..70a2f23
--- /dev/null
+++ b/board/gaisler/grsim/grsim.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 <common.h>
+#include <asm/leon.h>
+
+long int initdram(int board_type)
+{
+	return 1;
+}
+
+int checkboard(void)
+{
+	puts("Board: GRSIM/TSIM\n");
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	return 0;
+}
diff --git a/board/gaisler/grsim/u-boot.lds b/board/gaisler/grsim/u-boot.lds
new file mode 100644
index 0000000..1e8bb69
--- /dev/null
+++ b/board/gaisler/grsim/u-boot.lds
@@ -0,0 +1,161 @@
+/* Linker script for Gaisler Research AB's GRSIM LEON3 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/leon3/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) }
+
+}