linux-kernel - [PATCH v2 4/9] arm: mediatek: Add earlyprintk support for mt6589

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Message-Id: <1408373917-10002-5-git-send-email-matthias.bgg@gmail.com>
Date:	Mon, 18 Aug 2014 16:58:32 +0200
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux@....linux.org.uk, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, olof@...om.net, arnd@...db.de,
	jason@...edaemon.net, thomas.petazzoni@...e-electrons.com,
	swarren@...dia.com, sebastian.hesselbarth@...il.com,
	stefan@...er.ch, maxime.ripard@...e-electrons.com,
	matthias.bgg@...il.com, anders.berg@....com,
	linus.walleij@...aro.org, lee.jones@...aro.org, heiko@...ech.de,
	srv_yingjoe.chen@...iatek.com, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 4/9] arm: mediatek: Add earlyprintk support for mt6589

Enable low-level debug for Mediatek mt6589 SoC on UART0.

Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
---
 arch/arm/Kconfig.debug |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54..cfdd1c0 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -834,6 +834,14 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on Ux500 based platforms.
 
+	config DEBUG_MT6589_UART0
+		bool "Mediatek mt6589 UART0"
+		depends on ARCH_MEDIATEK
+		select DEBUG_UART_8250
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  for Mediatek mt6589 based platforms on UART0.
+
 	config DEBUG_VEXPRESS_UART0_DETECT
 		bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
 		depends on ARCH_VEXPRESS && CPU_CP15_MMU
@@ -1075,6 +1083,7 @@ config DEBUG_UART_PHYS
 	default 0x10126000 if DEBUG_RK3X_UART1
 	default 0x101f1000 if ARCH_VERSATILE
 	default 0x101fb000 if DEBUG_NOMADIK_UART
+	default 0x11006000 if DEBUG_MT6589_UART0
 	default 0x16000000 if ARCH_INTEGRATOR
 	default 0x18000300 if DEBUG_BCM_5301X
 	default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
@@ -1137,6 +1146,7 @@ config DEBUG_UART_VIRT
 	default 0xf01fb000 if DEBUG_NOMADIK_UART
 	default 0xf0201000 if DEBUG_BCM2835
 	default 0xf1000300 if DEBUG_BCM_5301X
+	default 0xf1006000 if DEBUG_MT6589_UART0
 	default 0xf11f1000 if ARCH_VERSATILE
 	default 0xf1600000 if ARCH_INTEGRATOR
 	default 0xf1c28000 if DEBUG_SUNXI_UART0
-- 
1.7.9.5

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