[RFC PATCH 2/2] binman: j721e: Add firewall configurations for atf

[Neha Malcom Francis]

Hi Andrew,

On 05/09/23 20:52, Andrew Davis wrote:
> On 9/5/23 3:21 AM, Manorit Chawdhry wrote:
>> The following commits adds the configuration of firewalls required to
>> protect ATF and OP-TEE memory region from non-secure reads and
>> writes using master and slave firewalls present in our K3 SOCs.

[...]

>> +                        // cpu_0_cpu_0_msmc Foreground Firewall
>> +                        firewall-1 {
>> +                            id = <257>;
>> +                            region = <1>;
>> +                            control = <0x1a>;
>> +                            permissions = <0x0100ff>;
>> +                            start_address = <0x0 0x70000000>;
> 
> This address might change if one moves ATF, might work to use 
> CONFIG_K3_ATF_LOAD_ADDR?
> Not sure how you would get the end address as we don't really know ATF size..
> 

I think this could be handled within binman IF CONFIG_K3_ATF_LOAD_ADDR and the 
ATF binary were not only A53/A72 inputs. But since it is, I don't see how that 
can be implemented.

> Andrew

-- 
Thanking You
Neha Malcom Francis