Re:Re: [PATCH v1 1/1] env: fat: Allow overriding interface, device and partition

Hi: Override the env_fat_get_dev_part function in the board file, you can load env from sdcard or emmc without modifying any configuration of u-boot, it is very useful for building wic firmware by yocto.

it has been done under env/ext4.c

At 2022-01-27 23:05:57, "Simon Glass" sjg@chromium.org wrote:

Hi,

On Thu, 30 Dec 2021 at 07:50, hyyxohk hyyoxhk@163.com wrote:

...

For platform which can boot on different device, this allows to override interface, device and partition from board code.

Signed-off-by: hyyxohk hyyoxhk@163.com

env/fat.c | 30 +++++++++++++++++------------- include/env_internal.h | 20 ++++++++++++++++++++ 2 files changed, 37 insertions(+), 13 deletions(-)

What is this feature used for?

Regards, Simon [..]