u-boot/arch/arm/cpu/arm920t/s3c24x0/Makefile

#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# SPDX-License-Identifier:	GPL-2.0+
#

include $(TOPDIR)/config.mk

LIB	= $(obj)lib$(SOC).o

COBJS-$(CONFIG_USE_IRQ) += interrupts.o
COBJS-$(CONFIG_DISPLAY_CPUINFO)	+= cpu_info.o
COBJS-y	+= speed.o
COBJS-y	+= timer.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

#########################################################################
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00			`#`
Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00			`# (C) Copyright 2000-2006`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00			`# Wolfgang Denk, DENX Software Engineering, wd@denx.de.`
			`#`
Add GPL-2.0+ SPDX-License-Identifier to source files Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com> 2013-07-08 07:37:19 +00:00			`# SPDX-License-Identifier: GPL-2.0+`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00			`#`

			`include $(TOPDIR)/config.mk`

Switch from archive libraries to partial linking Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com> 2010-11-05 14:48:07 +00:00			`LIB = $(obj)lib$(SOC).o`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00
S3C24x0: extract interrupts from timer Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 2009-06-22 22:12:01 +00:00			`COBJS-$(CONFIG_USE_IRQ) += interrupts.o`
add print_cpuinfo to s3c24x0 Hello This patch adds support for "print_cpuinfo" on Samsung s3c24x0 based targets. If activated by "#define CONFIG_DISPLAY_CPUINFO", the chip ID and the 3 main cpu frequencies will be displayed. Dave Signed-off-by: David Müller <d.mueller@elsoft.ch> 2010-12-03 05:12:50 +00:00			`COBJS-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o`
S3C24x0: extract interrupts from timer Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 2009-06-22 22:12:01 +00:00			`COBJS-y += speed.o`
			`COBJS-y += timer.o`

			`SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)`
			`OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))`
Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00
			`all: $(obj).depend $(LIB)`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00
			`$(LIB): $(OBJS)`
Switch from archive libraries to partial linking Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com> 2010-11-05 14:48:07 +00:00			`$(call cmd_link_o_target, $(OBJS))`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00
			`#########################################################################`

Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00			`# defines $(obj).depend target`
			`include $(SRCTREE)/rules.mk`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00
Add support for a saving build objects in a separate directory. Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory. 2006-09-01 17:49:50 +00:00			`sinclude $(obj).depend`
Patch by Steven Scholz, 16 Aug 2004: - Introducing the concept of SoCs "./cpu/$(CPU)/$(SOC)" - creating subdirs for SoCs ./cpu/arm920t/imx and ./cpu/arm920t/s3c24x0 - moving SoC specific code out of cpu/arm920t/ into cpu/arm920t/$(SOC)/ - moving drivers/s3c24x0_i2c.c and drivers/serial_imx.c out of drivers/ into cpu/arm920t/$(SOC)/ 2004-10-09 22:21:29 +00:00
			`#########################################################################`