some questions about the use of the HAB in imx6 ROM

[guokaizhao]

（1）Whether The program in ROM which use the HAB run in trustzone.

（2）Is IMX6 on-chip ROM program fixed in factory, or we can customize it ourselves.If we can customize the programs in the ROM, can you provide the sample source code for customize.

（3）If The ROM program which use the HAB operation on-chip resources will conflict with the following initialization in uboot and Linux kernel.

[Yuri · Accepted solution]

Hello,

  Please look at my comments below.

1.
The boot ROM works in secure world.

2.

  The boot ROM is mask programmed and cannot be changed by customers.

3.

  The HAB boot is used to load U-boot, and boot ROM configuration can be
reprogrammed by U-boot.

Have a great day,
Yuri

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