ARM: sunxi: Add earlyprintk support

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b0f3857b3a4c..f12bc3a2c3c0 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -345,6 +345,13 @@ choice
                   Say Y here if you want kernel low-level debugging support
                   on SOCFPGA based platforms.
 
+        config DEBUG_SUNXI_UART1
+                bool "Kernel low-level debugging messages via sunXi UART1"
+                depends on ARCH_SUNXI
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on Allwinner A1X based platforms on the UART1.
+
         config DEBUG_VEXPRESS_UART0_DETECT
                 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
                 depends on ARCH_VEXPRESS && CPU_CP15_MMU
@@ -416,6 +423,7 @@ config DEBUG_LL_INCLUDE
         default "debug/mvebu.S" if DEBUG_MVEBU_UART
         default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART
         default "debug/socfpga.S" if DEBUG_SOCFPGA_UART
+        default "debug/sunxi.S" if DEBUG_SUNXI_UART1
         default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
                 DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
         default "mach/debug-macro.S"