[PATCH v2 06/21] configs: socfpga: Enable FIT image loading with ATF support
Ang, Chee Hong
chee.hong.ang at intel.com
Thu Feb 20 03:15:35 CET 2020
> On 2/19/20 1:25 PM, chee.hong.ang at intel.com wrote:
> > From: Chee Hong Ang <chee.hong.ang at intel.com>
> >
> > SPL now loads ATF (BL31), U-Boot proper and DTB from FIT image. The
> > new boot flow with ATF support is as follow:
> >
> > SPL -> ATF (BL31) -> U-Boot proper -> OS (Linux)
> >
> > Signed-off-by: Chee Hong Ang <chee.hong.ang at intel.com>
> > ---
> > configs/socfpga_agilex_defconfig | 8 +++++++-
> > configs/socfpga_stratix10_defconfig | 8 +++++++-
> > 2 files changed, 14 insertions(+), 2 deletions(-)
> >
> > diff --git a/configs/socfpga_agilex_defconfig
> > b/configs/socfpga_agilex_defconfig
> > index 693a774..0065ff0 100644
> > --- a/configs/socfpga_agilex_defconfig
> > +++ b/configs/socfpga_agilex_defconfig
> > @@ -1,6 +1,6 @@
> > CONFIG_ARM=y
> > CONFIG_ARCH_SOCFPGA=y
> > -CONFIG_SYS_TEXT_BASE=0x1000
> > +CONFIG_SYS_TEXT_BASE=0x200000
>
> Why did the text base change ?
This defconfig support ATF.
ATF will occupy from this address range (0x1000)
U-Boot now starts at 0x200000.
>
> > CONFIG_SYS_MALLOC_F_LEN=0x2000
> > CONFIG_ENV_SIZE=0x1000
> > CONFIG_ENV_OFFSET=0x200
> > @@ -10,10 +10,16 @@ CONFIG_TARGET_SOCFPGA_AGILEX_SOCDK=y
> > CONFIG_IDENT_STRING="socfpga_agilex"
> > CONFIG_SPL_FS_FAT=y
> > CONFIG_SPL_TEXT_BASE=0xFFE00000
> > +CONFIG_FIT=y
> > +CONFIG_SPL_LOAD_FIT=y
> > +CONFIG_SPL_FIT_SOURCE="board/altera/soc64/its/fit_spl_atf.its"
> > CONFIG_BOOTDELAY=5
> > +CONFIG_SPL_LEGACY_IMAGE_SUPPORT=y
>
> Is legacy image support really needed ?
Let me check. Will get rid of this if it's not needed. Thanks.
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