[U-Boot] [PATCH 7/7] add gc-sections to TPL boot

[Haiying.Wang at freescale.com]

From: Haiying Wang <Haiying.Wang at freescale.com>

Signed-off-by: Haiying Wang <Haiying.Wang at freescale.com>
---
 arch/powerpc/config.mk |    4 ++++
 config.mk              |    7 ++++++-
 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/config.mk b/arch/powerpc/config.mk
index 64191c7..78e53c4 100644
--- a/arch/powerpc/config.mk
+++ b/arch/powerpc/config.mk
@@ -27,7 +27,11 @@ STANDALONE_LOAD_ADDR = 0x40000
 LDFLAGS_u-boot = --gc-sections
 PLATFORM_RELFLAGS += -mrelocatable -ffunction-sections -fdata-sections
 PLATFORM_CPPFLAGS += -DCONFIG_PPC -D__powerpc__
+ifdef CONFIG_HAS_TPL
+PLATFORM_LDFLAGS  += -n --gc-sections
+else
 PLATFORM_LDFLAGS  += -n
+endif
 
 ifdef CONFIG_SYS_LDSCRIPT
 # need to strip off double quotes
diff --git a/config.mk b/config.mk
index 5147c35..d7bb07f 100644
--- a/config.mk
+++ b/config.mk
@@ -260,8 +260,13 @@ $(obj)%.s:	%.c
 #########################################################################
 
 # If the list of objects to link is empty, just create an empty built-in.o
+ifdef CONFIG_HAS_TPL
+cmd_link_o_target = $(if $(strip $1),\
+		      $(LD) -r -o $@ $1,\
+		      rm -f $@; $(AR) rcs $@ )
+else
 cmd_link_o_target = $(if $(strip $1),\
 		      $(LD) $(LDFLAGS) -r -o $@ $1,\
 		      rm -f $@; $(AR) rcs $@ )
-
+endif
 #########################################################################
-- 
1.7.3.1.50.g1e633