On Mon, 2021-08-23 at 09:13 -0300, Fabio Estevam wrote:
After the conversion to binman in commit 8996e6b7c6a1 ("imx8mm_evk: switch to use binman to pack images"), it is necessary to flash both flash.bin and u-boot.itb to get a bootable system. Prior to this commit, only flash.bin was needed.
Such new requirement breaks existing distro mechanisms to generate the final binary because the extra u-boot.itb is now required.
Generate a final flash.bin that can be used again as a single bootable binary to keep the original behavior.
After this change the SPL binary is called spl.bin, which is a more descriptive name for its purpose, and can still be used standalone (for example, for secure boot purposes).
Also update imx8mm_evk.rst to remove the u-boot.itb copy step.
Signed-off-by: Fabio Estevam festevam@denx.de Reviewed-by: Frieder Schrempf frieder.schrempf@kontron.de Reviewed-by: Heiko Schocher hs@denx.de Reviewed-by: Marcel Ziswiler marcel.ziswiler@toradex.com
Changes since v3:
- Use u-boot-spl-ddr.bin in the LOADER section (Heiko)
- Dropped patch 2/2 as it needs improvements.
arch/arm/dts/imx8mm-evk-u-boot.dtsi | 17 ++++++++++++++++- .../imx8mm_evk/imximage-8mm-lpddr4.cfg | 2 +- doc/board/freescale/imx8mm_evk.rst | 1 - 3 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/arch/arm/dts/imx8mm-evk-u-boot.dtsi b/arch/arm/dts/imx8mm-evk-u-boot.dtsi index f200afac9f..75cd59e545 100644 --- a/arch/arm/dts/imx8mm-evk-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-evk-u-boot.dtsi @@ -150,7 +150,7 @@ }; - flash { + spl { mkimage { args = "-n spl/u-boot-spl.cfgout -T imx8mimage -e 0x7e1000";
As Heiko also pointed out for my patch set it might be nicer to explicitly name that file here:
filename = "spl.bin";
@@ -217,4 +217,19 @@ }; }; };
+ imx-boot { + filename = "flash.bin"; + pad-byte = <0x00>;
+ spl: blob-ext@1 { + offset = <0x0>; + filename = "spl.bin"; + };
+ uboot: blob-ext@2 { + offset = <0x57c00>; + filename = "u-boot.itb"; + }; + }; }; diff --git a/board/freescale/imx8mm_evk/imximage-8mm-lpddr4.cfg b/board/freescale/imx8mm_evk/imximage-8mm- lpddr4.cfg index b89092a559..90573be5fd 100644 --- a/board/freescale/imx8mm_evk/imximage-8mm-lpddr4.cfg +++ b/board/freescale/imx8mm_evk/imximage-8mm-lpddr4.cfg @@ -6,4 +6,4 @@ #define __ASSEMBLY__ BOOT_FROM sd -LOADER mkimage.flash.mkimage 0x7E1000 +LOADER u-boot-spl-ddr.bin 0x7E1000 diff --git a/doc/board/freescale/imx8mm_evk.rst b/doc/board/freescale/imx8mm_evk.rst index 7fd3d72564..b377c4de27 100644 --- a/doc/board/freescale/imx8mm_evk.rst +++ b/doc/board/freescale/imx8mm_evk.rst @@ -50,7 +50,6 @@ Burn the flash.bin to MicroSD card offset 33KB: .. code-block:: bash $sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33 conv=notrunc - $sudo dd if=u-boot.itb of=/dev/sdc bs=1024 seek=384 conv=sync Boot ----