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SubjectRe: [PATCH 3/3] ARM: mach-stm32: Add Extended TrustZone Protection driver
2018-02-27 18:14 GMT+01:00 Mark Rutland <mark.rutland@arm.com>:
> 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.

Yes I would have prefer to be able to get this information from etzpc
hardware itself
but that isn't the case so I need this table to found the status bits
of each device.

>
> 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.

I know that is one software way to do, but let discusted about that in
cover letter thread.

Thanks,
Benjamin

>
> Thanks,
> Mark.

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