From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org
Cc: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 1/3] ARM: tegra: fix DEBUG_LL combined with LPAE
Date: Wed, 04 Dec 2013 12:37:00 -0700 [thread overview]
Message-ID: <529F845C.3020402@wwwdotorg.org> (raw)
In-Reply-To: <1385419003-11348-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
On 11/25/2013 03:36 PM, Stephen Warren wrote:
> 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.
I've applied this series to Tegra's for-3.14/soc branch.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] ARM: tegra: fix DEBUG_LL combined with LPAE
Date: Wed, 04 Dec 2013 12:37:00 -0700 [thread overview]
Message-ID: <529F845C.3020402@wwwdotorg.org> (raw)
In-Reply-To: <1385419003-11348-1-git-send-email-swarren@wwwdotorg.org>
On 11/25/2013 03:36 PM, Stephen Warren wrote:
> 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.
I've applied this series to Tegra's for-3.14/soc branch.
next prev parent reply other threads:[~2013-12-04 19:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-25 22:36 [PATCH 1/3] ARM: tegra: fix DEBUG_LL combined with LPAE Stephen Warren
2013-11-25 22:36 ` Stephen Warren
[not found] ` <1385419003-11348-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-25 22:36 ` [PATCH 2/3] ARM: tegra: don't hard-code DEBUG_LL baud rate Stephen Warren
2013-11-25 22:36 ` Stephen Warren
[not found] ` <1385419003-11348-2-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-26 11:08 ` Thierry Reding
2013-11-26 11:08 ` Thierry Reding
2013-11-25 22:36 ` [PATCH 3/3] ARM: tegra: use section-sized static mappings for LPAE too Stephen Warren
2013-11-25 22:36 ` Stephen Warren
[not found] ` <1385419003-11348-3-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-26 11:13 ` Thierry Reding
2013-11-26 11:13 ` Thierry Reding
2013-11-26 10:21 ` [PATCH 1/3] ARM: tegra: fix DEBUG_LL combined with LPAE Thierry Reding
2013-11-26 10:21 ` Thierry Reding
2013-12-04 19:37 ` Stephen Warren [this message]
2013-12-04 19:37 ` Stephen Warren
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