Re: [PATCH 3/3] ARM: mach-stm32: Add Extended TrustZone Protection driver

[Mark Rutland]

On Tue, Feb 27, 2018 at 03:09:26PM +0100, Benjamin Gaignard wrote:
 +
> +static const u32 stm32mp1_ip_addr[] = {
> +	0x5c008000,	/* 00 stgenc */
> +	0x54000000,	/* 01 bkpsram */
> +	0x5c003000,	/* 02 iwdg1 */
> +	0x5c000000,	/* 03 usart1 */
> +	0x5c001000,	/* 04 spi6 */
> +	0x5c002000,	/* 05 i2c4 */

...

This duplicates information that is in the DT, which is unfortunate.

Why can these not be marked disabled inthe DT instead? 

If it's dynamic form boot-to-boot, then the FW can probe this prior to
entering Linux, and patch the DT appropriately.

Thanks,
Mark.