x86: Use X86_16BIT_INIT instead of X86_RESET_VECTOR

Use this new option to control the location of 16-bit init. This will allow
us to place this in SPL if needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/Makefile b/Makefile
index d3222a0..ed817f5 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -883,7 +883,7 @@ u-boot.hex u-boot.srec: u-boot FORCE
        $(call if_changed,objcopy)
 
 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
-               $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec)
+               $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec)
 
 binary_size_check: u-boot-nodtb.bin FORCE
        @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
@@ -1077,8 +1077,9 @@ quiet_cmd_ldr = LD      $@
 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
               $(filter-out FORCE,$^) -o $@
 
-u-boot.rom: u-boot-x86-16bit.bin u-boot.bin FORCE \
-               $(if $(CONFIG_HAVE_REFCODE),refcode.bin)
+u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \
+               $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
+               $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE
        $(call if_changed,binman)
 
 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index d104a49..dd0e22f 100644 (file)
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -5,10 +5,8 @@
 ifeq ($(CONFIG_EFI_APP),)
 head-y := arch/x86/cpu/start.o
 endif
-ifeq ($(CONFIG_SPL_BUILD),y)
-head-y += arch/x86/cpu/start16.o
-head-y += arch/x86/cpu/resetvec.o
-endif
+head-$(CONFIG_$(SPL_)X86_16BIT_INIT) += arch/x86/cpu/start16.o
+head-$(CONFIG_$(SPL_)X86_16BIT_INIT) += arch/x86/cpu/resetvec.o
 
 libs-y += arch/x86/cpu/
 libs-y += arch/x86/lib/

diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index f5b8c9e..fd81310 100644 (file)
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -9,7 +9,7 @@
 #
 
 extra-y        = start.o
-obj-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
+extra-$(CONFIG_$(SPL_)X86_16BIT_INIT) += resetvec.o start16.o
 obj-y  += interrupts.o cpu.o cpu_x86.o call64.o setjmp.o
 
 AFLAGS_REMOVE_call32.o := -mregparm=3 \

diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds
index cca536b..186718d 100644 (file)
--- a/arch/x86/cpu/u-boot.lds
+++ b/arch/x86/cpu/u-boot.lds
@@ -103,7 +103,7 @@ SECTIONS
        /DISCARD/ : { *(.interp*) }
        /DISCARD/ : { *(.gnu*) }
 
-#ifdef CONFIG_X86_RESET_VECTOR
+#ifdef CONFIG_X86_16BIT_INIT
        /*
         * The following expressions place the 16-bit Real-Mode code and
         * Reset Vector at the end of the Flash ROM