Tegra30: Add common CPU (shared) files

These files are used by both SPL and main U-Boot.
Also made minor changes to shared Tegra code to support
T30 differences.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/cpu/tegra30-common/Makefile b/arch/arm/cpu/tegra30-common/Makefile
new file mode 100644
index 0000000..75fef32
--- /dev/null
+++ b/arch/arm/cpu/tegra30-common/Makefile
@@ -0,0 +1,44 @@
+#
+# Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+#
+
+include $(TOPDIR)/config.mk
+
+# The AVP is ARMv4T architecture so we must use special compiler
+# flags for any startup files it might use.
+
+LIB	= $(obj)lib$(SOC)-common.o
+
+COBJS-y	+= clock.o funcmux.o pinmux.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################