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Tegra210: disable ERRATA_A57_829520
authorMithun Maragiri <mmaragiri@nvidia.com>
Fri, 20 Jul 2018 21:41:33 +0000 (14:41 -0700)
committerVarun Wadekar <vwadekar@nvidia.com>
Mon, 9 Mar 2020 22:25:15 +0000 (15:25 -0700)
commitbe85f0f7f765d442b1d0889314f3f6b4acab43d1
tree1f579dd137f22880928ee2d39920a1b0f71fa527tree | snapshot
parenta69a30ff238822539104ffc304696cd796685557commit | diff
Tegra210: disable ERRATA_A57_829520

ERRATA_A57_829520 disables "indirect branch prediction" for
EL1 on cpu reset, leading to 15% drop in CPU performance
with coremark benchmarks.

Tegra210 already has a hardware fix for ARM BUG#829520,so
this errata is not needed.

This patch disables the errata to get increased performance
numbers.

Change-Id: I0b42e8badd19a8101f6a55d80eb2d953597d3c20
Signed-off-by: Mithun Maragiri <mmaragiri@nvidia.com>
plat/nvidia/tegra/soc/t210/platform_t210.mk diff | blob | history
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