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From: yoc.dev@whitetree.xyz
To: meta-ti@lists.yoctoproject.org
Subject: Re: meta-ti setup suggestions for beaglebone (SoC AM335x)
Date: Thu, 07 May 2020 02:50:01 -0700	[thread overview]
Message-ID: <3193.1588845001912519601@lists.yoctoproject.org> (raw)
In-Reply-To: <BfLY.1588763283272971866.HOsc@lists.yoctoproject.org>

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Hi Luca,

In the meta-ti repository this commit 7646efc16a2b0aeafb6790a7d18b8fa2ca4547ad added a wks script which by default creates an SD card image with 3 partitions.

In the TI uboot code you will see that when booting from the MMC uboot expects there to be two partitions not three, hence your error.

include/configs/am335x_evm.h

lines 53 - 57

#define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
"bootcmd_" #devtypel #instance "=" \
"setenv mmcdev " #instance"; "\
"setenv bootpart " #instance":2 ; "\
"run mmcboot\0"

To fix this you will want to include the following line in your local.conf (or custom bsp layer):

WKS_FILE ?= "sdimage-bootpart.wks"

This will create a wic image which only has two partitions and you will be able to boot from the MMC successfully. For reference the sdimage-bootpart.wks is part of poky.

To be clear I had this working using the meta-ti layer - with the change above and by setting the MACHINE variable to beaglebone.

Hope this helps!

Charlie

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  reply	other threads:[~2020-05-07  9:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-06 11:08 meta-ti setup suggestions for beaglebone (SoC AM335x) Luca
2020-05-07  9:50 ` yoc.dev [this message]
2020-05-07 10:17   ` yoc.dev
2020-05-07 18:59     ` Luca
2020-05-09  2:32       ` [meta-ti] " Denys Dmytriyenko
2020-05-11 14:48         ` Luca

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