[PATCH 2/3] arm: mach-k3: Remove non-cached memory map areas

[Raghavendra, Vignesh]

On 11/23/2023 10:52 PM, Andrew Davis wrote:
> @@ -219,16 +177,9 @@ struct mm_region am62_mem_map[] = {
>  	}, {
>  		.virt = 0x80000000UL,
>  		.phys = 0x80000000UL,
> -		.size = 0x1E780000UL,
> -		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
> -			PTE_BLOCK_INNER_SHARE
> -	}, {
> -		.virt = 0xA0000000UL,
> -		.phys = 0xA0000000UL,
> -		.size = 0x60000000UL,
> +		.size = 0x80000000UL,
>  		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
>  			 PTE_BLOCK_INNER_SHARE
> -
>  	}, {
>  		.virt = 0x880000000UL,
>  		.phys = 0x880000000UL,


This causes issues when TF-A region @0x9e780000 is firewalled off from
non-secure world. A53 does speculative accesses to this region from EL1
leading to FW exceptions being reported on TIFS log (although A53 itself
doesn't seem to abort)