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Tegra194: add memory barriers during DRAM to SysRAM copy
authorVarun Wadekar <vwadekar@nvidia.com>
Fri, 15 Nov 2019 23:46:14 +0000 (15:46 -0800)
committerVarun Wadekar <vwadekar@nvidia.com>
Fri, 28 Aug 2020 03:12:34 +0000 (20:12 -0700)
commit1740ed127574e0f6974fa4ff7e18d442c920ffd2
tree49b1f4cf29c9e2d332eaff4203e303e94474b5f9tree | snapshot
parente9b9c2c830f4f65a121876e00c61f3167501f5b7commit | diff
Tegra194: add memory barriers during DRAM to SysRAM copy

This patch adds memory barriers to the trampoline code copying TZDRAM
contents to SysRAM during exit from System Suspend. These barriers
make sure that all the copies go through before we start executing in
SysRAM.

Reported by: Nathan Tuck <ntuck@nvidia.com>

Change-Id: I3fd2964086b6c0e044cc4165051a4801440db9cd
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
plat/nvidia/tegra/soc/t194/plat_trampoline.S diff | blob | history
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