Tom,
On Thu, Feb 14, 2019 at 10:20 AM Simon Goldschmidt
<simon.k.r.goldschm...@gmail.com> wrote:
>
> On Thu, Feb 14, 2019 at 7:26 AM Heinrich Schuchardt <xypron.g...@gmx.de>
> wrote:
> >
> > The SPL image for the Tinker Board has to fit into 32 KiB. This includes
> > up to 2 KiB for the file header.
> >
> > A new configuration variable CONFIG_SPL_WITH_DTB_SIZE_LIMIT is introduced
> > to define the board specific limit.
> >
> > Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
>
> Reviewed-by: Simon Goldschmidt <simon.k.r.goldschm...@gmail.com>
Is this planned for v2019.04? I know we're in rc phase, but this patch
adds a new config
option so shouldn't interfere with boards not using it.
Plus if we have this SPL size check in v2019.04, it would probably
enable more board
maintainers testing/fixing the SPL size check after the release.
Regards,
Simon
>
> > ---
> > v3
> > The maximum size should of the image should be 30 KiB. Allowing
> > 2 KiB for the header. This is 30720 and not 32700 bytes.
> > v2
> > Instead of using CONFIG_SPL_MAX_SIZE with an estimate of the FDT
> > size introduce a new test in scripts/Makefile.spl.
> > ---
> > Kconfig | 8 ++++++++
> > configs/tinker-rk3288_defconfig | 1 +
> > scripts/Makefile.spl | 16 ++++++++++++++++
> > 3 files changed, 25 insertions(+)
> >
> > diff --git a/Kconfig b/Kconfig
> > index 512c7beb89..7cce53da74 100644
> > --- a/Kconfig
> > +++ b/Kconfig
> > @@ -172,6 +172,14 @@ config TPL_SYS_MALLOC_F_LEN
> > particular needs this to operate, so that it can allocate the
> > initial serial device and any others that are needed.
> >
> > +config SPL_WITH_DTB_SIZE_LIMIT
> > + int "Maximum size of SPL image including device tree"
> > + depends on SPL
> > + default 0
> > + help
> > + Specifies the maximum length of the U-Boot SPL image including the
> > + device tree. If this value is zero, it is ignored.
> > +
> > menuconfig EXPERT
> > bool "Configure standard U-Boot features (expert users)"
> > default y
> > diff --git a/configs/tinker-rk3288_defconfig
> > b/configs/tinker-rk3288_defconfig
> > index fdcab28185..cc5e59bcf1 100644
> > --- a/configs/tinker-rk3288_defconfig
> > +++ b/configs/tinker-rk3288_defconfig
> > @@ -3,6 +3,7 @@ CONFIG_ARCH_ROCKCHIP=y
> > CONFIG_SYS_TEXT_BASE=0x00000000
> > CONFIG_SYS_MALLOC_F_LEN=0x2000
> > CONFIG_ROCKCHIP_RK3288=y
> > +CONFIG_SPL_WITH_DTB_SIZE_LIMIT=30720
> > CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
> > CONFIG_TARGET_TINKER_RK3288=y
> > CONFIG_DEBUG_UART_BASE=0xff690000
> > diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
> > index 9d5921606e..afc329a410 100644
> > --- a/scripts/Makefile.spl
> > +++ b/scripts/Makefile.spl
> > @@ -254,11 +254,27 @@ FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
> > endif
> >
> >
> > +ifneq ($(CONFIG_SPL_WITH_DTB_SIZE_LIMIT),0)
> > +SPL_WITH_DTB_SIZE_CHECK = \
> > + @actual=`wc -c $@ | awk '{print $$1}'`; \
> > + limit=`printf "%d" $(CONFIG_SPL_WITH_DTB_SIZE_LIMIT)`; \
> > + if test $$actual -gt $$limit; then \
> > + echo "$@ exceeds file size limit:" >&2 ; \
> > + echo " limit: $$limit bytes" >&2 ; \
> > + echo " actual: $$actual bytes" >&2 ; \
> > + echo " excess: $$((actual - limit)) bytes" >&2; \
> > + exit 1; \
> > + fi
> > +else
> > +SPL_WITH_DTB_SIZE_CHECK =
> > +endif
> > +
> > ifeq
> > ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
> > $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
> > $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin)
> > \
> > $(FINAL_DTB_CONTAINER) FORCE
> > $(call if_changed,cat)
> > + $(SPL_WITH_DTB_SIZE_CHECK)
> >
> > $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
> > $(call if_changed,copy)
> > --
> > 2.20.1
> >
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