On 4/19/22 23:54, Simon Glass wrote:
> Hi Heinrich,
>
> On Tue, 19 Apr 2022 at 15:14, Heinrich Schuchardt
> <heinrich.schucha...@canonical.com> wrote:
>>
>> In some scenarios it is desirable to package U-Boot with other files
into
>> a single blob. This patch allows to embed a memory disk into the U-Boot
>> binary. This memory disk can be accessed like any other block
>> device as 'mem 0'.
>>
>> Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com>
>> ---
>> MAINTAINERS | 6 ++
>> common/board_r.c | 4 +
>> drivers/Kconfig | 2 +
>> drivers/Makefile | 1 +
>> drivers/block/blk-uclass.c | 2 +
>> drivers/memdisk/Kconfig | 13 ++++
>> drivers/memdisk/Makefile | 11 +++
>> drivers/memdisk/memdisk-uclass.c | 22 ++++++
>> drivers/memdisk/memdisk.c | 128 +++++++++++++++++++++++++++++++
>> drivers/memdisk/memdisk_file.S | 17 ++++
>> include/asm-generic/sections.h | 2 +
>> include/blk.h | 1 +
>> include/dm/uclass-id.h | 1 +
>> include/memdisk.h | 28 +++++++
>> 14 files changed, 238 insertions(+)
>> create mode 100644 drivers/memdisk/Kconfig
>> create mode 100644 drivers/memdisk/Makefile
>> create mode 100644 drivers/memdisk/memdisk-uclass.c
>> create mode 100644 drivers/memdisk/memdisk.c
>> create mode 100644 drivers/memdisk/memdisk_file.S
>> create mode 100644 include/memdisk.h
>
> Can this use binman to create the image and find the memdisk?
binman requires board specific layout information. I cannot see how
binman would help for a Kconfig option that can be switched on and off
for any board.
binman may provide addresses in the control device-tree which later
could be relocated. But this seems to result in a larger image size.
Best regards
Heinrich
>
> Regards,
> Simon
