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authorwdenk <wdenk>2004-04-18 21:13:41 +0000
committerwdenk <wdenk>2004-04-18 21:13:41 +0000
commit507bbe3e8084a82c20399367801da87db7d14e65 (patch)
tree0660633e2e1caf4b819fd46ed43f83e3e05c5523 /cpu/microblaze
parent998eaaecd46ee5f00550e30e606cb5556e0b9345 (diff)
* Patch by Yasushi Shoji, 07 Apr 2004:
- add support for microblaze processors - add support for AtmarkTechno "suzaku" board
Diffstat (limited to 'cpu/microblaze')
-rw-r--r--cpu/microblaze/Makefile43
-rw-r--r--cpu/microblaze/cpu.c25
-rw-r--r--cpu/microblaze/interrupts.c32
-rw-r--r--cpu/microblaze/start.S36
4 files changed, 136 insertions, 0 deletions
diff --git a/cpu/microblaze/Makefile b/cpu/microblaze/Makefile
new file mode 100644
index 0000000000..610043eca9
--- /dev/null
+++ b/cpu/microblaze/Makefile
@@ -0,0 +1,43 @@
+#
+# (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 $(TOPDIR)/config.mk
+
+LIB = lib$(CPU).a
+
+START = start.o
+OBJS = cpu.o interrupts.o
+
+all: .depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S)
+ $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/cpu/microblaze/cpu.c b/cpu/microblaze/cpu.c
new file mode 100644
index 0000000000..4d2b270b23
--- /dev/null
+++ b/cpu/microblaze/cpu.c
@@ -0,0 +1,25 @@
+/*
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Yasushi SHOJI <yashi@atmark-techno.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
+ */
+
+/* EMPTY FILE */
diff --git a/cpu/microblaze/interrupts.c b/cpu/microblaze/interrupts.c
new file mode 100644
index 0000000000..ccf67e1721
--- /dev/null
+++ b/cpu/microblaze/interrupts.c
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Yasushi SHOJI <yashi@atmark-techno.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
+ */
+
+void enable_interrupts(void)
+{
+}
+
+int disable_interrupts(void)
+{
+ return 0;
+}
diff --git a/cpu/microblaze/start.S b/cpu/microblaze/start.S
new file mode 100644
index 0000000000..7efdbb0970
--- /dev/null
+++ b/cpu/microblaze/start.S
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Yasushi SHOJI <yashi@atmark-techno.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 <config.h>
+
+ .text
+ .global _start
+_start:
+
+ addi r1, r0, CFG_SDRAM_BASE /* init stack pointer */
+ addi r1, r1, CFG_SDRAM_SIZE /* set sp to high up */
+
+ brai board_init
+
+1: bri 1b