tree 18c9e0a8ebc961bafeffa20bfe64567d9b83e76d
parent 8b3851969d6546ae920f52eb681631cd9b9aff46
author Tom Warren <twarren@nvidia.com> 1438718930 -0700
committer Patrick Georgi <pgeorgi@google.com> 1440744043 +0000

T210: Add 128MB VPR allocation/carveout

The NV security team requested that coreboot allocate a 128MB
region in SDRAM for VPR (Video Protection Region). We had
previously just disabled the VPR by setting BOM/SIZE to 0.

Once allocated, the VPR will be locked from further access.
The ALLOW_TZ_WRITE_ACCESS bit is _not_ set, as dynamic VPR config
is not supported at this time (i.e. trusted code can _not_ remap
or resize the VPR).

BUG=None
BRANCH=None
TEST=Built and booted on my P5 A44. Saw the VPR region in the
boot spew (ID:3 [f6800000 - fe800000]). Dumped the MC VideoProtect
registers and verified their values.

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Commit-Id: a7481dba31dc39f482f8a7bfdaba1d1f4fc3cb81
Original-Change-Id: Ia19af485430bc09dbba28fcef5de16de851f81aa
Original-Signed-off-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/290475
Original-Reviewed-by: Hyung Taek Ryoo <hryoo@nvidia.com>
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Hridya Valsaraju <hvalsaraju@nvidia.com>
Original-(cherry picked from commit 9629b318eb17b145315531509f950da02483114f)
Original-Reviewed-on: https://chromium-review.googlesource.com/291095
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>

Change-Id: I19a93c915990644177c491c8212f2cf356d4d17d
Reviewed-on: http://review.coreboot.org/11384
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>