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

Martin Rowe
2023-04-13T22:43:45Z

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>

> ---
> 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
>