[meta-freescale] [meta-fsl-arm] Multiple U-Boot configurations

[Max Krummenacher]

2016-01-25 16:18 GMT+01:00 Gary Thomas <gary at mlbassoc.com>:
> On 01/25/2016 03:42 PM, Max Krummenacher wrote:
>>
>> Hi Gary
>>
>>
>> 2016-01-25 15:10 GMT+01:00 Gary Thomas <gary at mlbassoc.com>:
>>>
>>> I have a board which can be deployed with either i.MX6Q or i.MX6solo
>>> I have U-Boot configurations for both.
>>>
>>> I'm trying to use a single build (bitbake u-boot-fslc) to create
>>> both U-Boot images, using
>>>    UBOOT_MACHINE ?= "teton_p8303_config teton_p8303s_config"
>>>
>>> Sadly, it's failing:
>>> | Configuring for teton_p8303 - Board: teton_p8303, Options:
>>> IMX_CONFIG=board/amltd/teton_p8303/teton_p8303q.cfg,MX6Q,DDR_MB=2048
>>> | Configuring for teton_p8303s - Board: teton_p8303, Options:
>>> IMX_CONFIG=board/amltd/teton_p8303/teton_p8303.cfg,MX6S,DDR_MB=1024
>>> | ln: failed to create symbolic link 'asm/arch': File exists
>>> | Makefile:468: recipe for target 'teton_p8303_config' failed
>>>
>>> Obviously, I don't understand the mechanism and I don't see
>>> a working example in either meta-fsl-arm or meta-fsl-arm-extra
>>>
>>> Any pointers would be great
>>>
>>
>> Have you tried something like this:
>>
>> https://github.com/Freescale/meta-fsl-arm-extra/blob/master/conf/machine/apalis-imx6.conf#L24
>>
>> So in your <machine>.conf:
>>
>> UBOOT_CONFIG ??= "s"
>> UBOOT_CONFIG[q] = "teton_p8303_config"
>> UBOOT_CONFIG[s] = "teton_p8303s_config"
>>
>> Which I expect to build a u-boot.imx, u-boot.imx-s
>
>
> What if I want to build u-boot.imx-q and u-boot.imx-s?  I want to build
> all possible versions and decide only when I install which to use.
>

I expect that you get a binary for each of your UBOOT_CONFIG[xxxx].
And what is set by UBOOT_CONFIG = "s" is the default one.

>
> --
> ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> ------------------------------------------------------------