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@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 03dc4c1a8736..0bc06ab9fb86 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -731,6 +731,14 @@ 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 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
@@ -1106,6 +1114,7 @@ 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_VEXPRESS_UART0_CA9
         default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
@@ -1190,6 +1199,7 @@ 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 || \