init commit via android 4.4 uboot

5 files changed, 241 insertions, 0 deletions

diff --git a/lib_microblaze/Makefile b/lib_microblaze/Makefile
new file mode 100755
index 0000000..ec01722
--- /dev/null
+++ b/lib_microblaze/Makefile
@@ -0,0 +1,44 @@
+#
+# (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 $(TOPDIR)/config.mk
+
+LIB	= lib$(ARCH).a
+
+AOBJS	=
+
+COBJS	= board.o microblaze_linux.o time.o cache.o
+
+OBJS	= $(AOBJS) $(COBJS)
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(AOBJS:.o=.S) $(COBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(AOBJS:.o=.S) $(COBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/lib_microblaze/board.c b/lib_microblaze/board.c
new file mode 100755
index 0000000..bc987a3
--- /dev/null
+++ b/lib_microblaze/board.c
@@ -0,0 +1,108 @@
+/*
+ * (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 <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <version.h>
+#include <watchdog.h>
+
+const char version_string[] =
+	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
+
+/*
+ * Begin and End of memory area for malloc(), and current "brk"
+ */
+static ulong mem_malloc_start;
+static ulong mem_malloc_end;
+static ulong mem_malloc_brk;
+
+
+void *sbrk (ptrdiff_t increment)
+{
+	ulong old = mem_malloc_brk;
+	ulong new = old + increment;
+
+	if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
+		return (NULL);
+	}
+	mem_malloc_brk = new;
+	return ((void *) old);
+}
+
+/*
+ * All attempts to come up with a "common" initialization sequence
+ * that works for all boards and architectures failed: some of the
+ * requirements are just _too_ different. To get rid of the resulting
+ * mess of board dependend #ifdef'ed code we now make the whole
+ * initialization sequence configurable to the user.
+ *
+ * The requirements for any new initalization function is simple: it
+ * receives a pointer to the "global data" structure as it's only
+ * argument, and returns an integer return code, where 0 means
+ * "continue" and != 0 means "fatal error, hang the system".
+ */
+typedef int (init_fnc_t) (void);
+
+init_fnc_t *init_sequence[] = {
+	serial_init,		/* serial communications setup */
+	NULL,
+};
+
+void board_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	bd_t *bd;
+	init_fnc_t **init_fnc_ptr;
+
+	/* Pointer is writable since we allocated a register for it. */
+	gd = (gd_t *)CFG_GBL_DATA_OFFSET;
+	memset((void *)gd, 0, CFG_GBL_DATA_SIZE);
+
+	gd->bd = (bd_t *)(gd+1);	/* At end of global data */
+	gd->baudrate = CONFIG_BAUDRATE;
+
+	bd = gd->bd;
+	bd->bi_baudrate = CONFIG_BAUDRATE;
+
+	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		WATCHDOG_RESET ();
+		if ((*init_fnc_ptr) () != 0) {
+			hang ();
+		}
+	}
+
+	/* main_loop */
+	for (;;) {
+		WATCHDOG_RESET ();
+		main_loop ();
+	}
+}
+
+void hang (void)
+{
+	puts ("### ERROR ### Please RESET the board ###\n");
+	for (;;);
+}
diff --git a/lib_microblaze/cache.c b/lib_microblaze/cache.c
new file mode 100755
index 0000000..a2f7493
--- /dev/null
+++ b/lib_microblaze/cache.c
@@ -0,0 +1,31 @@
+/*
+ * (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 <common.h>
+
+void flush_cache (ulong addr, ulong size)
+{
+	/* MicroBlaze have write thruough cache. nothing to do. */
+	return;
+}
diff --git a/lib_microblaze/microblaze_linux.c b/lib_microblaze/microblaze_linux.c
new file mode 100755
index 0000000..b3a0815
--- /dev/null
+++ b/lib_microblaze/microblaze_linux.c
@@ -0,0 +1,31 @@
+/*
+ * (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 <common.h>
+#include <command.h>
+
+void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		ulong addr, ulong *len_ptr, int   verify)
+{
+}
diff --git a/lib_microblaze/time.c b/lib_microblaze/time.c
new file mode 100755
index 0000000..12e8488
--- /dev/null
+++ b/lib_microblaze/time.c
@@ -0,0 +1,27 @@
+/*
+ * (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 udelay(unsigned long usec)
+{
+}