[U-Boot] [PATCH 8/10] Makefile: Add support of RAMBOOT_SPLPBL

[Scott Wood]

On Wed, 2014-04-02 at 09:15 +0530, Prabhakar Kushwaha wrote:
> On 4/2/2014 3:35 AM, Scott Wood wrote:
> > On Mon, 2014-03-31 at 15:35 +0530, Prabhakar Kushwaha wrote:
> >> Objective of this target to have concatenate binary having
> >>   - SPL binary in PBL command format
> >>   - U-boot binary
> >>
> >> Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
> >> ---
> >>   Makefile |   19 +++++++++++++++++++
> >>   README   |    4 ++++
> >>   2 files changed, 23 insertions(+)
> >>
> >> diff --git a/Makefile b/Makefile
> >> index e5f5a8c..e7a0838 100644
> >> --- a/Makefile
> >> +++ b/Makefile
> >> @@ -699,7 +699,11 @@ ALL-y += u-boot.srec u-boot.bin System.map
> >>   
> >>   ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin
> >>   ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
> >> +ifeq ($(CONFIG_RAMBOOT_SPLPBL),y)
> >> +ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
> >> +else
> >>   ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
> >> +endif
> >>   ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
> >>   ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
> >>   ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
> >> @@ -882,6 +886,21 @@ endif
> >>   u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
> >>   	$(call if_changed,cat)
> >>   
> >> +#Add a target to create boot binary having SPL binary in PBI format
> >> +#concatenated with u-boot binary. It is need by PowerPC SoC having
> >> +#internal SRAM <= 512KB.
> >> +MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
> >> +		-R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage
> >> +
> >> +spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE
> >> +	$(call if_changed,mkimage)
> >> +
> >> +OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
> >> +			  --gap-fill=0xff
> >> +
> >> +u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl u-boot.bin FORCE
> >> +	$(call if_changed,pad_cat)
> >> +
> >>   # PPC4xx needs the SPL at the end of the image, since the reset vector
> >>   # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
> >>   # and need to introduce a new build target with the full blown U-Boot
> >> diff --git a/README b/README
> >> index d8d5f60..7690fdb 100644
> >> --- a/README
> >> +++ b/README
> >> @@ -486,6 +486,10 @@ The following options need to be configured:
> >>   		PBI commands can be used to configure SoC before it starts the execution.
> >>   		Please refer doc/README.pblimage for more details
> >>   
> >> +		CONFIG_RAMBOOT_SPLPBL
> >> +		It adds a target to create boot binary having SPL binary in PBI format
> >> +		concatenated with u-boot binary.
> > What does this have to do with RAMBOOT?
> >
> >
> he Image which is required is same as RAMBOOT image. Only thing we don't 
> want to have binary in PBI format.
> We want to have following kind of binary:
>     SPL binary in PBI format + RAMBoot binary.

I'd call it CONFIG_SPL_FSL_PBL or similar.  It's not RAM boot.

-Scott