From: alexandre.belloni@free-electrons.com (Alexandre Belloni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: at91: debug: use DEBUG_UART_VIRT
Date: Fri, 10 Jun 2016 17:10:03 +0200 [thread overview]
Message-ID: <20160610151003.GD19050@piout.net> (raw)
In-Reply-To: <1465313079-6307-1-git-send-email-alexandre.belloni@free-electrons.com>
On 07/06/2016 at 17:24:39 +0200, Alexandre Belloni wrote :
> AT91 still uses an offset (0x0100 0000) from the physical address to map
> the debug UART. This is unfortunate as for some platforms (sama5d3 and
> earlier), it ends up in the PCI zone and PCI is enabled in multi_v7.
> Switch to DEBUG_UART_VIRT to solve that.
>
> Tested on sama5d3 and 9g20.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
> arch/arm/Kconfig.debug | 11 ++++++-----
> arch/arm/include/debug/at91.S | 10 +---------
> 2 files changed, 7 insertions(+), 14 deletions(-)
>
Applied now.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Russell King <linux@armlinux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
Boris Brezillon <boris.brezillon@free-electrons.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: at91: debug: use DEBUG_UART_VIRT
Date: Fri, 10 Jun 2016 17:10:03 +0200 [thread overview]
Message-ID: <20160610151003.GD19050@piout.net> (raw)
In-Reply-To: <1465313079-6307-1-git-send-email-alexandre.belloni@free-electrons.com>
On 07/06/2016 at 17:24:39 +0200, Alexandre Belloni wrote :
> AT91 still uses an offset (0x0100 0000) from the physical address to map
> the debug UART. This is unfortunate as for some platforms (sama5d3 and
> earlier), it ends up in the PCI zone and PCI is enabled in multi_v7.
> Switch to DEBUG_UART_VIRT to solve that.
>
> Tested on sama5d3 and 9g20.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
> arch/arm/Kconfig.debug | 11 ++++++-----
> arch/arm/include/debug/at91.S | 10 +---------
> 2 files changed, 7 insertions(+), 14 deletions(-)
>
Applied now.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2016-06-10 15:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 15:24 [PATCH] ARM: at91: debug: use DEBUG_UART_VIRT Alexandre Belloni
2016-06-07 15:24 ` Alexandre Belloni
2016-06-07 15:48 ` Nicolas Ferre
2016-06-07 15:48 ` Nicolas Ferre
2016-06-07 16:23 ` Alexandre Belloni
2016-06-07 16:23 ` Alexandre Belloni
2016-06-08 7:17 ` Nicolas Ferre
2016-06-08 7:17 ` Nicolas Ferre
2016-06-08 8:18 ` Nicolas Ferre
2016-06-08 8:18 ` Nicolas Ferre
2016-06-10 15:10 ` Alexandre Belloni [this message]
2016-06-10 15:10 ` Alexandre Belloni
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