[PATCH] arm: mach-k3: j721s2: j784s4: Add errata i2378 workaround

[Neha Malcom Francis]

On Fri, 08 May 2026 19:55:07 +0530, Neha Malcom Francis <n-francis at ti.com> wrote:
> The shadow copies of WAY_SELECT MSMC MMRs have incorrect reset values.
> The main copy has the correct reset value but MSMC functionality uses
> the shadow copy values. This incorrect reset value results in
> under-utilization of MSMC L3 data cache and snoop filter for DDR
> accesses.
> 
> The workaround is to write 0x00000303 to both MSMC MMRs after reset.
> This ensures that their shadow copies get the correct post-reset value.
> 
> Link: https://www.ti.com/lit/er/sprz530c/sprz530c.pdf
> Link: https://www.ti.com/lit/er/sprz536b/sprz536b.pdf
> Signed-off-by: Neha Malcom Francis <n-francis at ti.com>

Please ignore this patch. This errata workaround is better fixed in internal
firmware than here.

-- 
Neha Malcom Francis <n-francis at ti.com>