On Thu, 13 Apr 2023 at 20:58, Pali Rohár <p...@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 <p...@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.r...@gmail.com> > --- > 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 >