AM335x NAND boot on next

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Hello Sascha,

I watend to test the gpmc driver changes for our am335x boards using
latest next. I noticed that booting from nand is not working correct
any more. The MLO can not correctly obtain the image size of the
barebox image.

barebox 2018.11.0-00199-g5a1a5ed2537d #1549 Mon Dec 17 10:46:01 CET
2018


Board: Phytec phyCORE AM335x
nand: ONFI flash detected
nand: NAND device: Manufacturer ID: 0x2c, Chip ID: 0xdc (Micron
MT29F4G08ABADAH4), 512Mi
B, page size: 2048, OOB size: 64
booting from NAND
failed to get image size
trying to load image from backup partition.
failed to get image size
booting failed

bisected this down to:
5a1a5ed2537d7d12f851f3778707681d6c08d6e8 is the first bad commit
commit 5a1a5ed2537d7d12f851f3778707681d6c08d6e8
Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Date:   Tue Oct 9 15:28:12 2018 +0200

    ARM: images: use piggydata


I guess the get_image_size(void *head) of arch/arm/mach-omap/xload.c
needs rework. Any hint how to fix this?
SD-Card booting works. As tested with bbb.

Regards,
Teresa

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