Hi Martyn. On Tue, 2024-03-26 at 14:26 +0000, Martyn Welch wrote: > With the current config for tha SK-AM62, fdtfile isn't set in the U-Boot > environment. When using bootflow to boot from a block device, where the > extlinux.conf file specifies `fdtdir`, a fallback device tree is being > constructed from the `soc` (`k3`) and `board` (`am62x`) environment > variables, resulting in u-Boot trying to retrieve > `/dtbs/6.8.1+/k3-am62x.dtb`. This file doesn't exist. > > The environment variables `default_device_tree` and > `default_device_tree_arch` are set in the config, the `findfdt` script > can be called to construct `fdtfile` from the environment variables set > by these config options, however this script currently isn't being run. > > Calling this script results in the correct device tree being retrieved: > > Retrieving file: /dtbs/6.8.1+/ti/k3-am625-sk.dtb > > Many boards are calling this script as part of their boot command. The > am62x currently isn't. Rectify this so that booting works correctly. > > Signed-off-by: Martyn Welch <martyn.we...@collabora.com>
Would this also be appropriate to add to the defconfig for other AM62x boards (e.g beagleplay) ? Anyway, for this device: Reviewed-by: Christopher Obbard <chris.obb...@collabora.com> > --- > configs/am62x_evm_a53_defconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/configs/am62x_evm_a53_defconfig > b/configs/am62x_evm_a53_defconfig > index 78287ec18a..e373e44a93 100644 > --- a/configs/am62x_evm_a53_defconfig > +++ b/configs/am62x_evm_a53_defconfig > @@ -30,7 +30,7 @@ CONFIG_SPL_LOAD_FIT=y > CONFIG_SPL_LOAD_FIT_ADDRESS=0x81000000 > CONFIG_BOOTSTD_FULL=y > CONFIG_SYS_BOOTM_LEN=0x800000 > -CONFIG_BOOTCOMMAND="run envboot; bootflow scan -lb" > +CONFIG_BOOTCOMMAND="run findfdt; run envboot; bootflow scan -lb" > CONFIG_BOARD_LATE_INIT=y > CONFIG_SPL_MAX_SIZE=0x58000 > CONFIG_SPL_HAS_BSS_LINKER_SECTION=y Thanks! Chris
