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)