diff --git a/arch/arm/cpu/arm1136/Makefile b/arch/arm/cpu/arm1136/Makefile
index cc516f7..3279f12 100644
--- a/arch/arm/cpu/arm1136/Makefile
+++ b/arch/arm/cpu/arm1136/Makefile
@@ -5,27 +5,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-COBJS	= cpu.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y	= start.o
+obj-y	= cpu.o
diff --git a/arch/arm/cpu/arm1136/mx31/Makefile b/arch/arm/cpu/arm1136/mx31/Makefile
index c75adec..9670ed9 100644
--- a/arch/arm/cpu/arm1136/mx31/Makefile
+++ b/arch/arm/cpu/arm1136/mx31/Makefile
@@ -5,27 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(SOC).o
-
-COBJS	+= generic.o
-COBJS	+= timer.o
-COBJS	+= devices.o
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all:	$(obj).depend $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y	+= generic.o
+obj-y	+= timer.o
+obj-y	+= devices.o
diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile
index ee534a9..c533215 100644
--- a/arch/arm/cpu/arm1136/mx35/Makefile
+++ b/arch/arm/cpu/arm1136/mx35/Makefile
@@ -7,28 +7,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(SOC).o
-
-COBJS	+= generic.o
-COBJS	+= timer.o
-COBJS	+= mx35_sdram.o
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all:	$(obj).depend $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y	+= generic.o
+obj-y	+= timer.o
+obj-y	+= mx35_sdram.o
diff --git a/arch/arm/cpu/arm1176/Makefile b/arch/arm/cpu/arm1176/Makefile
index 5d451a7..deec427 100644
--- a/arch/arm/cpu/arm1176/Makefile
+++ b/arch/arm/cpu/arm1176/Makefile
@@ -8,27 +8,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-COBJS	= cpu.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y	= start.o
+obj-y	= cpu.o
diff --git a/arch/arm/cpu/arm1176/bcm2835/Makefile b/arch/arm/cpu/arm1176/bcm2835/Makefile
index 135de42..0ad3690 100644
--- a/arch/arm/cpu/arm1176/bcm2835/Makefile
+++ b/arch/arm/cpu/arm1176/bcm2835/Makefile
@@ -12,26 +12,5 @@
 # GNU General Public License for more details.
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(SOC).o
-
-SOBJS	:= lowlevel_init.o
-COBJS	:= init.o reset.o timer.o mbox.o
-
-SRCS	:= $(SOBJS:.o=.c) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all:	$(obj).depend $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y	:= lowlevel_init.o
+obj-y	+= init.o reset.o timer.o mbox.o
diff --git a/arch/arm/cpu/arm1176/tnetv107x/Makefile b/arch/arm/cpu/arm1176/tnetv107x/Makefile
index 1eb27ed..a4c1edf 100644
--- a/arch/arm/cpu/arm1176/tnetv107x/Makefile
+++ b/arch/arm/cpu/arm1176/tnetv107x/Makefile
@@ -2,28 +2,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(SOC).o
-
-COBJS	+= aemif.o clock.o init.o mux.o timer.o
-SOBJS	+= lowlevel_init.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y	+= aemif.o clock.o init.o mux.o timer.o
+obj-y	+= lowlevel_init.o
diff --git a/arch/arm/cpu/arm946es/Makefile b/arch/arm/cpu/arm946es/Makefile
index 87e6c65..a44bddc 100644
--- a/arch/arm/cpu/arm946es/Makefile
+++ b/arch/arm/cpu/arm946es/Makefile
@@ -5,28 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-
-COBJS	= cpu.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
+extra-y	= start.o
 
-#########################################################################
+obj-y	= cpu.o
diff --git a/arch/arm/cpu/arm_intcm/Makefile b/arch/arm/cpu/arm_intcm/Makefile
index cc516f7..3279f12 100644
--- a/arch/arm/cpu/arm_intcm/Makefile
+++ b/arch/arm/cpu/arm_intcm/Makefile
@@ -5,27 +5,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-COBJS	= cpu.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y	= start.o
+obj-y	= cpu.o
diff --git a/arch/arm/cpu/ixp/Makefile b/arch/arm/cpu/ixp/Makefile
index 788598e..4e66523 100644
--- a/arch/arm/cpu/ixp/Makefile
+++ b/arch/arm/cpu/ixp/Makefile
@@ -5,30 +5,8 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-
-COBJS-y	+= cpu.o
-COBJS-$(CONFIG_USE_IRQ)	+= interrupts.o
-COBJS-y	+= timer.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
+extra-y	= start.o
 
-#########################################################################
+obj-y	+= cpu.o
+obj-$(CONFIG_USE_IRQ)	+= interrupts.o
+obj-y	+= timer.o
diff --git a/arch/arm/cpu/pxa/Makefile b/arch/arm/cpu/pxa/Makefile
index c84186a..8cd475e 100644
--- a/arch/arm/cpu/pxa/Makefile
+++ b/arch/arm/cpu/pxa/Makefile
@@ -5,35 +5,11 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
+extra-y	= start.o
 
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-
-COBJS-$(CONFIG_CPU_PXA25X)	= pxa2xx.o
-COBJS-$(CONFIG_CPU_PXA27X)	= pxa2xx.o
-
-COBJS-y	+= cpuinfo.o
-
-COBJS	= $(COBJS-y)
-COBJS	+= timer.o
-COBJS	+= usb.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
+obj-$(CONFIG_CPU_PXA25X)	+= pxa2xx.o
+obj-$(CONFIG_CPU_PXA27X)	+= pxa2xx.o
 
-#########################################################################
+obj-y	+= cpuinfo.o
+obj-y	+= timer.o
+obj-y	+= usb.o
diff --git a/arch/arm/cpu/sa1100/Makefile b/arch/arm/cpu/sa1100/Makefile
index c84b7b9..85a0d28 100644
--- a/arch/arm/cpu/sa1100/Makefile
+++ b/arch/arm/cpu/sa1100/Makefile
@@ -5,29 +5,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-START	= start.o
-
-COBJS	+= cpu.o
-COBJS	+= timer.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
+extra-y	= start.o
 
-#########################################################################
+obj-y	+= cpu.o
+obj-y	+= timer.o
diff --git a/arch/arm/cpu/tegra-common/Makefile b/arch/arm/cpu/tegra-common/Makefile
index 1b6cdf7..3aac655 100644
--- a/arch/arm/cpu/tegra-common/Makefile
+++ b/arch/arm/cpu/tegra-common/Makefile
@@ -7,26 +7,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)libcputegra-common.o
-
-SOBJS += lowlevel_init.o
-COBJS-y	+= ap.o board.o sys_info.o timer.o clock.o cache.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
-
-#########################################################################
+obj-y += lowlevel_init.o
+obj-y	+= ap.o board.o sys_info.o timer.o clock.o cache.o
diff --git a/arch/arm/cpu/tegra114-common/Makefile b/arch/arm/cpu/tegra114-common/Makefile
index 5b53a71..d959b57 100644
--- a/arch/arm/cpu/tegra114-common/Makefile
+++ b/arch/arm/cpu/tegra114-common/Makefile
@@ -17,25 +17,4 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-include $(TOPDIR)/config.mk
-
-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
-
-#########################################################################
+obj-y	+= clock.o funcmux.o pinmux.o
diff --git a/arch/arm/cpu/tegra20-common/Makefile b/arch/arm/cpu/tegra20-common/Makefile
index 175387f..32ddbda 100644
--- a/arch/arm/cpu/tegra20-common/Makefile
+++ b/arch/arm/cpu/tegra20-common/Makefile
@@ -7,32 +7,11 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-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/warmboot_avp.o += -march=armv4t
 
-LIB	= $(obj)lib$(SOC)-common.o
-
-COBJS-y	+= clock.o funcmux.o pinmux.o
-COBJS-$(CONFIG_TEGRA_LP0) += warmboot.o crypto.o warmboot_avp.o
-COBJS-$(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 $(obj).depend
-
-#########################################################################
+obj-y	+= clock.o funcmux.o pinmux.o
+obj-$(CONFIG_TEGRA_LP0) += warmboot.o crypto.o warmboot_avp.o
+obj-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o
+obj-$(CONFIG_TEGRA_PMU) += pmu.o
diff --git a/arch/arm/cpu/tegra30-common/Makefile b/arch/arm/cpu/tegra30-common/Makefile
index 75fef32..d2d616e 100644
--- a/arch/arm/cpu/tegra30-common/Makefile
+++ b/arch/arm/cpu/tegra30-common/Makefile
@@ -17,28 +17,4 @@
 # 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
-
-#########################################################################
+obj-y	+= clock.o funcmux.o pinmux.o
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 4e78723..679f19a 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -5,77 +5,43 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(ARCH).o
-LIBGCC	= $(obj)libgcc.o
-
-GLSOBJS	+= _ashldi3.o
-GLSOBJS	+= _ashrdi3.o
-GLSOBJS	+= _divsi3.o
-GLSOBJS	+= _lshrdi3.o
-GLSOBJS	+= _modsi3.o
-GLSOBJS	+= _udivsi3.o
-GLSOBJS	+= _umodsi3.o
-
-GLCOBJS	+= div0.o
+# Build private libgcc only when asked for
+ifdef USE_PRIVATE_LIBGCC
+lib-y	+= _ashldi3.o
+lib-y	+= _ashrdi3.o
+lib-y	+= _divsi3.o
+lib-y	+= _lshrdi3.o
+lib-y	+= _modsi3.o
+lib-y	+= _udivsi3.o
+lib-y	+= _umodsi3.o
+lib-y	+= div0.o
+endif
 
-SOBJS-y += crt0.o
+obj-y += crt0.o
 
 ifndef CONFIG_SPL_BUILD
-SOBJS-y += relocate.o
+obj-y += relocate.o
 ifndef CONFIG_SYS_GENERIC_BOARD
-COBJS-y	+= board.o
+obj-y	+= board.o
 endif
-COBJS-y += sections.o
+obj-y += sections.o
 
-COBJS-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
-COBJS-$(CONFIG_CMD_BOOTM) += bootm.o
-COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
-SOBJS-$(CONFIG_USE_ARCH_MEMSET) += memset.o
-SOBJS-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o
+obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
+obj-$(CONFIG_CMD_BOOTM) += bootm.o
+obj-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
+obj-$(CONFIG_USE_ARCH_MEMSET) += memset.o
+obj-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o
 else
-COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o
+obj-$(CONFIG_SPL_FRAMEWORK) += spl.o
 endif
 
-COBJS-y	+= interrupts.o
-COBJS-y	+= reset.o
-
-COBJS-y	+= cache.o
-COBJS-y	+= cache-cp15.o
+obj-y	+= interrupts.o
+obj-y	+= reset.o
 
-SRCS	:= $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \
-	   $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-LGOBJS	:= $(addprefix $(obj),$(GLSOBJS)) \
-	   $(addprefix $(obj),$(GLCOBJS))
-
-# Always build libarm.o
-TARGETS	:= $(LIB)
-
-# Build private libgcc only when asked for
-ifdef USE_PRIVATE_LIBGCC
-TARGETS	+= $(LIBGCC)
-endif
+obj-y	+= cache.o
+obj-y	+= cache-cp15.o
 
 # For EABI conformant tool chains, provide eabi_compat()
 ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
-TARGETS	+= $(obj)eabi_compat.o
+extra-y	+= eabi_compat.o
 endif
-
-all:	$(TARGETS)
-
-$(LIB):	$(obj).depend $(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-$(LIBGCC): $(obj).depend $(LGOBJS)
-	$(call cmd_link_o_target, $(LGOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################