[PATCH 1/2] ARM: i.MX6: Enable PBL_VERIFY_PIGGY with HABV4 support

[Marco Felsch]

Hi Sascha,

On 25-02-18, Sascha Hauer wrote:
> Some i.MX6 configurations use the xload mechanism. With this the ROM
> only loads and verifies the PBL. The PBL will then load barebox proper.
> Without verification the barebox proper binary is untrusted and could be
> modified. Select PBL_VERIFY_PIGGY when HABV4 is enabled to ensure the
> barebox proper binary has not been tempered with.
> 
> boards not using the xload mechanism don't need this option, but there
> is no good way to detect currently if the xload mechanism is used, so
> these boards will have to live with a slightly increased binary size
> for now.

I hav no objections but do you have numbers? There are many i.MX6 based
systems which do use a spi-nor with limited amount of space already
facing size issues since barebox is becoming bigger and bigger.

Regards,
  Marco