Re: [PATCH v2 2/2] arm64: Update memcpy_{from, to}io() helpers

2021-07-29 Thread Tom Rini
On Mon, Jul 19, 2021 at 11:21:51AM +0200, Patrick Delaunay wrote: > From: Patrice Chotard > > At early U-Boot stage, before relocation, MMU is not yet configured > and disabled. DDR may not be configured with the correct memory > attributes (can be configured in MT_DEVICE instead of MT_MEMORY).

[PATCH v2 2/2] arm64: Update memcpy_{from, to}io() helpers

2021-07-19 Thread Patrick Delaunay
From: Patrice Chotard At early U-Boot stage, before relocation, MMU is not yet configured and disabled. DDR may not be configured with the correct memory attributes (can be configured in MT_DEVICE instead of MT_MEMORY). In this case, usage of memcpy_{from, to}io() may leads to synchronous abort