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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-01-08 10:18:02 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-01-08 22:14:50 +0100
commite05e5de7fae5bec79617e113916dac6631251156 (patch)
treec4d2bedca6e1ec79e30b229d2da6b979276456af /nand_spl
parent7528cf5f016b5b8b8b12b373f6f31a10bf89233d (diff)
arm: move C runtime setup code in crt0.S
Move all the C runtime setup code from every start.S in arch/arm into arch/arm/lib/crt0.S. This covers the code sequence from setting up the initial stack to calling into board_init_r(). Also, rewrite the C runtime setup and make functions board_init_*() and relocate_code() behave according to normal C semantics (no jumping across the C stack any more, etc). Some SPL targets had to be touched because they use start.S explicitly or for some reason; the relevant maintainers and custodians are cc:ed. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Diffstat (limited to 'nand_spl')
-rw-r--r--nand_spl/board/freescale/mx31pdk/Makefile6
-rw-r--r--nand_spl/board/karo/tx25/Makefile6
2 files changed, 10 insertions, 2 deletions
diff --git a/nand_spl/board/freescale/mx31pdk/Makefile b/nand_spl/board/freescale/mx31pdk/Makefile
index f67ed09d039..fd0dfc19d86 100644
--- a/nand_spl/board/freescale/mx31pdk/Makefile
+++ b/nand_spl/board/freescale/mx31pdk/Makefile
@@ -12,11 +12,12 @@ LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
CFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
-SOBJS = start.o lowlevel_init.o
+SOBJS = start.o crt0.o lowlevel_init.o
COBJS = nand_boot_fsl_nfc.o
SRCS := $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c
SRCS += $(SRCTREE)/arch/arm/cpu/arm1136/start.S
+SRCS += $(SRCTREE)/arch/arm/lib/crt0.S
SRCS += $(SRCTREE)/board/freescale/mx31pdk/lowlevel_init.S
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
__OBJS := $(SOBJS) $(COBJS)
@@ -50,6 +51,9 @@ $(nandobj)u-boot.lds: $(LDSCRIPT) $(LSTSCRIPT)
$(obj)%.o: $(SRCTREE)/arch/arm/cpu/arm1136/%.S
$(CC) $(AFLAGS) -c -o $@ $<
+$(obj)%.o: $(SRCTREE)/arch/arm/lib/%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
$(obj)%.o: $(SRCTREE)/board/freescale/mx31pdk/%.S
$(CC) $(AFLAGS) -c -o $@ $<
diff --git a/nand_spl/board/karo/tx25/Makefile b/nand_spl/board/karo/tx25/Makefile
index b27189d9b50..82489d2405e 100644
--- a/nand_spl/board/karo/tx25/Makefile
+++ b/nand_spl/board/karo/tx25/Makefile
@@ -33,11 +33,12 @@ LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
CFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL
-SOBJS = start.o lowlevel_init.o
+SOBJS = start.o crt0.o lowlevel_init.o
COBJS = nand_boot_fsl_nfc.o
SRCS := $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c
SRCS += $(SRCTREE)/arch/arm/cpu/arm926ejs/start.S
+SRCS += $(SRCTREE)/arch/arm/lib/crt0.S
SRCS += $(SRCTREE)/board/karo/tx25/lowlevel_init.S
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
__OBJS := $(SOBJS) $(COBJS)
@@ -71,6 +72,9 @@ $(nandobj)u-boot.lds: $(LDSCRIPT) $(LSTSCRIPT)
$(obj)%.o: $(SRCTREE)/arch/arm/cpu/arm926ejs/%.S
$(CC) $(AFLAGS) -c -o $@ $<
+$(obj)%.o: $(SRCTREE)/arch/arm/lib/%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
$(obj)%.o: $(SRCTREE)/board/karo/tx25/%.S
$(CC) $(AFLAGS) -c -o $@ $<