tegra20: move tegra20 SoC code to arch/arm/cpu/tegra20-common

In preparation for splitting out the armv4t code from tegra20, move
the tegra20 SoC code to arch/arm/cpu/tegra20-common.  This code will
be compiled armv4t for the arm7tdmi and armv7 for the cortex A9.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>

Makefile

@@ -319,6 +319,9 @@ endif
 ifeq ($(SOC),exynos)
 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 endif
+ifeq ($(SOC),tegra20)
+LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
+endif
 
 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 .PHONY : $(LIBS)

arch/arm/cpu/armv7/tegra20/Makefile

@@ -23,27 +23,16 @@
 # MA 02111-1307 USA
 #
 
-# The AVP is ARMv4T architecture so we must use special compiler
-# flags for any startup files it might use.
-CFLAGS_arch/arm/cpu/armv7/tegra20/ap20.o += -march=armv4t
-CFLAGS_arch/arm/cpu/armv7/tegra20/clock.o += -march=armv4t
-CFLAGS_arch/arm/cpu/armv7/tegra20/warmboot_avp.o += -march=armv4t
-
 include $(TOPDIR)/config.mk
 
 LIB	=  $(obj)lib$(SOC).o
 
-SOBJS	:= lowlevel_init.o
-COBJS-y	:= ap20.o board.o clock.o funcmux.o pinmux.o sys_info.o timer.o
-COBJS-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o
-COBJS-$(CONFIG_TEGRA_PMU) += pmu.o
 COBJS-$(CONFIG_USB_EHCI_TEGRA) += usb.o
-COBJS-$(CONFIG_TEGRA20_LP0) += crypto.o warmboot.o warmboot_avp.o
 COBJS-$(CONFIG_CMD_ENTERRCM) += cmd_enterrcm.o
 
 COBJS	:= $(COBJS-y)
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
 
 all:	 $(obj).depend $(LIB)
 

arch/arm/cpu/tegra20-common/Makefile

@@ -0,0 +1,57 @@
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2008
+# 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
+
+# The AVP is ARMv4T architecture so we must use special compiler
+# flags for any startup files it might use.
+CFLAGS_arch/arm/cpu/tegra20-common/ap20.o += -march=armv4t
+CFLAGS_arch/arm/cpu/tegra20-common/clock.o += -march=armv4t
+CFLAGS_arch/arm/cpu/tegra20-common/warmboot_avp.o += -march=armv4t
+
+LIB	= $(obj)lib$(SOC)-common.o
+
+SOBJS += lowlevel_init.o
+COBJS-y	+= ap20.o board.o clock.o funcmux.o pinmux.o sys_info.o timer.o
+COBJS-$(CONFIG_TEGRA20_LP0) += warmboot.o crypto.o warmboot_avp.o
+COBJS-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o
+COBJS-$(CONFIG_TEGRA_PMU) += pmu.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
+
+#########################################################################

spl/Makefile

@@ -61,6 +61,10 @@ ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 endif
 
+ifeq ($(SOC),tegra20)
+LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
+endif
+
 START := $(addprefix $(SPLTREE)/,$(START))
 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))