From: Kevin Hilman <khilman@baylibre.com>
To: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Cc: Mans Rullgard <mans@mansr.com>,
Peter Hurley <peter@hurleysoftware.com>, arm-soc <arm@kernel.org>,
linux-serial <linux-serial@vger.kernel.org>,
Sebastian Frias <sebastian_frias@sigmadesigns.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RESEND PATCH v2] ARM: debug: add support for Palmchip BK-310x UART
Date: Tue, 26 Jan 2016 16:40:25 -0800 [thread overview]
Message-ID: <7h60yfn9c6.fsf@baylibre.com> (raw)
In-Reply-To: <569CA203.6050001@sigmadesigns.com> (Marc Gonzalez's message of "Mon, 18 Jan 2016 09:27:47 +0100")
Marc Gonzalez <marc_gonzalez@sigmadesigns.com> writes:
> From: Mans Rullgard <mans@mansr.com>
>
> Some SoCs use a Palmchip BK-310x UART which is mostly 16550 compatible
> but with a different register layout.
... because UART register layout is where we really need innovation. ;)
> While this UART has previously
> only been supported in MIPS based chips (Alchemy, Ralink), the ARM based
> SMP87xx series from Sigma Designs also uses it.
>
> This patch allows the debug console to work with this type of UART.
>
> Signed-off-by: Mans Rullgard <mans@mansr.com>
> Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
It appears this was previously acked by Arnd also? https://lkml.org/lkml/2015/11/9/116
> ---
> Peter, this is the patch I've been using on Tango for earlyprintk support.
> arm-soc, this is just the Nov 8 patch with my Signed-off-by tag.
> ---
> arch/arm/Kconfig.debug | 9 +++++++++
> arch/arm/include/debug/palmchip.S | 11 +++++++++++
> 2 files changed, 20 insertions(+)
> create mode 100644 arch/arm/include/debug/palmchip.S
>
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index 259c0ca9c99a..708aa9150c00 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -1304,6 +1304,7 @@ config DEBUG_SIRFSOC_UART
> config DEBUG_LL_INCLUDE
> string
> default "debug/sa1100.S" if DEBUG_SA1100
> + default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP
minor nit: We're trying (not always with great success) to keep various
parts of this file sorted alphanumerically. Can you please insert the
new entries accordingly?
Otherwise looks good to me,
Acked-by: Kevin Hilman <khilman@baylibre.com>
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: khilman@baylibre.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [RESEND PATCH v2] ARM: debug: add support for Palmchip BK-310x UART
Date: Tue, 26 Jan 2016 16:40:25 -0800 [thread overview]
Message-ID: <7h60yfn9c6.fsf@baylibre.com> (raw)
In-Reply-To: <569CA203.6050001@sigmadesigns.com> (Marc Gonzalez's message of "Mon, 18 Jan 2016 09:27:47 +0100")
Marc Gonzalez <marc_gonzalez@sigmadesigns.com> writes:
> From: Mans Rullgard <mans@mansr.com>
>
> Some SoCs use a Palmchip BK-310x UART which is mostly 16550 compatible
> but with a different register layout.
... because UART register layout is where we really need innovation. ;)
> While this UART has previously
> only been supported in MIPS based chips (Alchemy, Ralink), the ARM based
> SMP87xx series from Sigma Designs also uses it.
>
> This patch allows the debug console to work with this type of UART.
>
> Signed-off-by: Mans Rullgard <mans@mansr.com>
> Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
It appears this was previously acked by Arnd also? https://lkml.org/lkml/2015/11/9/116
> ---
> Peter, this is the patch I've been using on Tango for earlyprintk support.
> arm-soc, this is just the Nov 8 patch with my Signed-off-by tag.
> ---
> arch/arm/Kconfig.debug | 9 +++++++++
> arch/arm/include/debug/palmchip.S | 11 +++++++++++
> 2 files changed, 20 insertions(+)
> create mode 100644 arch/arm/include/debug/palmchip.S
>
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index 259c0ca9c99a..708aa9150c00 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -1304,6 +1304,7 @@ config DEBUG_SIRFSOC_UART
> config DEBUG_LL_INCLUDE
> string
> default "debug/sa1100.S" if DEBUG_SA1100
> + default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP
minor nit: We're trying (not always with great success) to keep various
parts of this file sorted alphanumerically. Can you please insert the
new entries accordingly?
Otherwise looks good to me,
Acked-by: Kevin Hilman <khilman@baylibre.com>
Kevin
next prev parent reply other threads:[~2016-01-27 0:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-18 8:27 [RESEND PATCH v2] ARM: debug: add support for Palmchip BK-310x UART Marc Gonzalez
2016-01-18 8:27 ` Marc Gonzalez
2016-01-27 0:40 ` Kevin Hilman [this message]
2016-01-27 0:40 ` Kevin Hilman
2016-01-27 0:44 ` Måns Rullgård
2016-01-27 0:44 ` Måns Rullgård
2016-01-29 16:44 ` Marc Gonzalez
2016-01-29 16:44 ` Marc Gonzalez
2016-01-29 16:50 ` Måns Rullgård
2016-01-29 16:50 ` Måns Rullgård
2016-01-29 16:58 ` Marc Gonzalez
2016-01-29 16:58 ` Marc Gonzalez
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