[PATCH 1/3] ARM: tegra: fix DEBUG_LL combined with LPAE
Thierry Reding
thierry.reding at gmail.com
Tue Nov 26 05:21:11 EST 2013
On Mon, Nov 25, 2013 at 03:36:41PM -0700, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
>
> The DEBUG_LL UART address is mapped as an MMU section, hence, the
> virtual address must be section-aligned. Sections are 1MB without LPAE
> and 2MB with LPAE. Tegra's virtual address was only aligned to 1MB, and
> hence the mapping was set up incorrectly with LPAE enabled, thus causing
> a hang early during boot. Fix this by picking a different virtual address
> that is aligned to 2MB.
>
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
> arch/arm/include/debug/tegra.S | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Thierry Reding <treding at nvidia.com>
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