[U-Boot] [PATCH 06/11] imx: imx-common: introduce boot auxiliary core

Peng Fan van.freenix at gmail.com
Mon Jan 18 05:14:58 CET 2016


Hi Simon,

Sorry for this late reply.
On Thu, Jan 14, 2016 at 10:17:20AM -0700, Simon Glass wrote:
>+Bin
>
>Hi Peng,
>
>On 4 January 2016 at 22:56, Peng Fan <van.freenix at gmail.com> wrote:
>> From: Peng Fan <peng.fan at nxp.com>
>>
>> To boot a auxiliary core in asymmetric multicore system, introduce the
>> new command "bootaux" to do it. Example of boot auxliary core from
>> 0x70000000 where stores the boot head information that should be
>> parsed by auxiliary core, "bootaux 0x70000000".
>> Introduce Kconfig option IMX_BOOTAUX.
>>
>> Signed-off-by: Ye.Li <ye.li at nxp.com>
>> Signed-off-by: Peng Fan <peng.fan at nxp.com>
>> ---
>>  arch/arm/imx-common/Kconfig       |  6 ++++
>>  arch/arm/imx-common/Makefile      |  1 +
>>  arch/arm/imx-common/imx_bootaux.c | 59 +++++++++++++++++++++++++++++++++++++++
>>  3 files changed, 66 insertions(+)
>>  create mode 100644 arch/arm/imx-common/imx_bootaux.c
>>
>
>Could this use the CPU uclass?

Here we are just talking what kind of image and what command to boot a M4
core.
I do not have plan to use CPU uclass for this, since we have not
covert to support dtb in uboot for i.MX.

Thanks,
Peng.

>
>[snip]
>
>Regards,
>Simon


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