linux-kernel - [PATCH 2/6] ARM: sunxi: Add debug uart used by sun9i (Allwinner A80)

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Date:	Sun, 21 Sep 2014 22:58:09 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>
Cc:	Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com, Shuge <shuge@...winnertech.com>,
	Meng Zhang <kevin@...winnertech.com>, yhf@...rii.com,
	ctl@...rii.com
Subject: [PATCH 2/6] ARM: sunxi: Add debug uart used by sun9i (Allwinner A80)

The uarts on sun9i are still compatible with the dw_8250, but are
located at different addresses.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 arch/arm/Kconfig.debug | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54..58b5218 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -707,6 +707,14 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on SOCFPGA based platforms.
 
+	config DEBUG_SUN9I_UART0
+		bool "Kernel low-level debugging messages via sun9i UART0"
+		depends on ARCH_SUNXI && MACH_SUN9I
+		select DEBUG_UART_8250
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on Allwinner A80 based platforms on the UART0.
+
 	config DEBUG_SUNXI_UART0
 		bool "Kernel low-level debugging messages via sunXi UART0"
 		depends on ARCH_SUNXI
@@ -1068,6 +1076,7 @@ config DEBUG_UART_PHYS
 	default 0x02530c00 if DEBUG_KEYSTONE_UART0
 	default 0x02531000 if DEBUG_KEYSTONE_UART1
 	default 0x03010fe0 if ARCH_RPC
+	default 0x07000000 if DEBUG_SUN9I_UART0
 	default 0x10009000 if DEBUG_REALVIEW_STD_PORT || DEBUG_CNS3XXX || \
 				DEBUG_VEXPRESS_UART0_CA9
 	default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
@@ -1145,6 +1154,7 @@ config DEBUG_UART_VIRT
 	default 0xf2100000 if DEBUG_PXA_UART1
 	default 0xf4090000 if ARCH_LPC32XX
 	default 0xf4200000 if ARCH_GEMINI
+	default 0xf7000000 if DEBUG_SUN9I_UART0
 	default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
 				DEBUG_S3C2410_UART0)
 	default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
-- 
2.1.0

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