diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2014-02-27 14:56:39 -0800 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2014-12-17 04:53:05 +0100 |
| commit | f574a327eed82ce00ea94d3f904f3dd8001d240c (patch) | |
| tree | 61083257eb1013a8043a6569e483316b44e6f1f1 /src/arch/arm/Kconfig | |
| parent | 032c84381751bab0fe1da2e963af41cbe52c303d (diff) | |
ARM: Use LPAE for Virtual Address Translation
This change introduces LPAE for virtual address translation. To enable it, set
ARM_LPAE. Boot slows down about 4ms on Tegra124 with LPAE enabled.
TEST=Booted nyan with and without LPAE. Built nyan_big and daisy.
BUG=None
BRANCH=none
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Tested-by: Daisuke Nojiri <dnojiri@google.com>
Original-Change-Id: I74aa729b6fe6d243f57123dc792302359c661cad
Original-Reviewed-on: https://chromium-review.googlesource.com/187862
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
(cherry picked from commit 6d8c8b2bbdc70555076081eb3bfaabde7b4a398f)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I8980375c14758af35f7d5ec5244be963e5462d8a
Reviewed-on: http://review.coreboot.org/7749
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/arch/arm/Kconfig')
| -rw-r--r-- | src/arch/arm/Kconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/arch/arm/Kconfig b/src/arch/arm/Kconfig index 57849a64fc..e946f599f3 100644 --- a/src/arch/arm/Kconfig +++ b/src/arch/arm/Kconfig @@ -30,4 +30,8 @@ config CPU_HAS_BOOTBLOCK_INIT config MAINBOARD_HAS_BOOTBLOCK_INIT bool - default n
\ No newline at end of file + default n + +config ARM_LPAE + bool "Enable LPAE" + default n |