Re: [PATCH v2 u-boot-mvebu 4/4] arm: mvebu: clearfog: Update eMMC/SD/SATA instructions

["Pali Rohár" <pali@kernel.org>]

On Thursday 27 April 2023 10:56:17 Stefan Roese wrote:
> Hi Pali,
> 
> On 4/27/23 01:44, Pali Rohár wrote:
> > On Thursday 13 April 2023 22:43:25 Martin Rowe wrote:
> > > On Thu, 13 Apr 2023 at 20:58, Pali Rohár <pali@kernel.org> wrote:
> > > > 
> > > > BootROM and neither SPL does not use eMMC boot acknowledgement or boot
> > > > enable bits in EXT_CSD_PART_CONF eMMC register. And also fixed SATA disk
> > > > sector 0x141 is not used at all.
> > > > 
> > > > Signed-off-by: Pali Rohár <pali@kernel.org>
> > > 
> > > SPL successfully loads u-boot from the same partition as SPL. SD card
> > > and UART continue to boot.
> > > 
> > > Thanks Pali!
> > > 
> > > Tested-by: Martin Rowe <martin.p.rowe@gmail.com>
> > 
> > Ok, is something more needed for this patch series?
> 
> Unfortunately yes. As at least this board breaks with this patchset
> added:
> 
> $ make sama5d2_icp_mmc_defconfig
> $ make -sj
> /opt/kernel.org/gcc-12.2.0-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld.bfd:
> u-boot-spl section `__u_boot_list' will not fit in region `.sram'
> /opt/kernel.org/gcc-12.2.0-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld.bfd:
> region `.sram' overflowed by 32 bytes
> make[1]: *** [scripts/Makefile.spl:527: spl/u-boot-spl] Error 1
> make: *** [Makefile:2049: spl/u-boot-spl] Error 2
> 
> So CI build fails and I can't send a pull request. I'm sending a patch
> though, to fix this image overflow by enabling LTO. Stay tuned...

I see... LTO helped. So can be this patch series now applied?

> Thanks,
> Stefan
> 
> > > > ---
> > > >   board/solidrun/clearfog/README | 20 ++++++++++----------
> > > >   1 file changed, 10 insertions(+), 10 deletions(-)
> > > > 
> > > > diff --git a/board/solidrun/clearfog/README b/board/solidrun/clearfog/README
> > > > index ed4a712c5aa2..c86b37061a30 100644
> > > > --- a/board/solidrun/clearfog/README
> > > > +++ b/board/solidrun/clearfog/README
> > > > @@ -1,7 +1,7 @@
> > > >   Update from original Marvell U-Boot to mainline U-Boot:
> > > >   -------------------------------------------------------
> > > > 
> > > > -Generate the U-Boot image with these commands:
> > > > +Generate the U-Boot image for eMMC/SD with these commands:
> > > > 
> > > >   $ make clearfog_defconfig
> > > >   $ make
> > > > @@ -9,7 +9,7 @@ $ make
> > > >   The resulting image including the SPL binary with the
> > > >   full DDR setup is "u-boot-with-spl.kwb".
> > > > 
> > > > -Now all you need to do is copy this image on a SD card.
> > > > +Now all you need to do is copy this image on a SD card's sector 1.
> > > >   For example with this command:
> > > > 
> > > >   $ sudo dd if=u-boot-with-spl.kwb of=/dev/sdX bs=512 seek=1
> > > > @@ -20,12 +20,6 @@ of "/dev/sdX" here!
> > > >   Install U-Boot on eMMC:
> > > >   -----------------------
> > > > 
> > > > -To make SPL load the main U-Boot image from the eMMC boot partition enable
> > > > -eMMC boot acknowledgement and boot partition with the following U-Boot
> > > > -command:
> > > > -
> > > > -  mmc partconf 0 1 1 0
> > > > -
> > > >   Install U-Boot on eMMC boot partition from Linux running on Clearfog:
> > > > 
> > > >     echo 0 > /sys/block/mmcblk0boot0/force_ro
> > > > @@ -37,8 +31,14 @@ Consider initial boot from UART (see below).
> > > >   Install U-Boot on SATA:
> > > >   -----------------------
> > > > 
> > > > -When loading the main U-Boot image from raw SATA sector, set
> > > > -CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR to 0x141.
> > > > +Generate the U-Boot image for SATA with these commands:
> > > > +
> > > > +$ make clearfog_sata_defconfig
> > > > +$ make
> > > > +
> > > > +Copy image on a SATA disk's sector 1:
> > > > +
> > > > +$ sudo dd if=u-boot-with-spl.kwb of=/dev/sdX bs=512 seek=1
> > > > 
> > > >   Boot selection:
> > > >   ---------------
> > > > --
> > > > 2.20.1
> > > > 
> 
> Viele Grüße,
> Stefan Roese
> 
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