ARM: socfpga: Add support for UART1 debug uart for earlyprintk

Add support for hardware uart1 for earlyprintk support on Arria10 devkit.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 0c12ffb..7ed976a 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -908,13 +908,22 @@ choice
                  on SA-11x0 UART ports. The kernel will check for the first
                  enabled UART in a sequence 3-1-2.
 
-       config DEBUG_SOCFPGA_UART
+       config DEBUG_SOCFPGA_UART0
                depends on ARCH_SOCFPGA
-               bool "Use SOCFPGA UART for low-level debug"
+               bool "Use SOCFPGA UART0 for low-level debug"
                select DEBUG_UART_8250
                help
                  Say Y here if you want kernel low-level debugging support
-                 on SOCFPGA based platforms.
+                 on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
+
+       config DEBUG_SOCFPGA_UART1
+               depends on ARCH_SOCFPGA
+               bool "Use SOCFPGA UART1 for low-level debug"
+               select DEBUG_UART_8250
+               help
+                 Say Y here if you want kernel low-level debugging support
+                 on SOCFPGA(Arria 10) based platforms.
+
 
        config DEBUG_SUN9I_UART0
                bool "Kernel low-level debugging messages via sun9i UART0"
@@ -1407,7 +1416,8 @@ config DEBUG_UART_PHYS
        default 0xfd883000 if DEBUG_ALPINE_UART0
        default 0xfe800000 if ARCH_IOP32X
        default 0xff690000 if DEBUG_RK32_UART2
-       default 0xffc02000 if DEBUG_SOCFPGA_UART
+       default 0xffc02000 if DEBUG_SOCFPGA_UART0
+       default 0xffc02100 if DEBUG_SOCFPGA_UART1
        default 0xffd82340 if ARCH_IOP13XX
        default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
        default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
@@ -1485,7 +1495,8 @@ config DEBUG_UART_VIRT
        default 0xfeb26000 if DEBUG_RK3X_UART1
        default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
        default 0xfeb31000 if DEBUG_KEYSTONE_UART1
-       default 0xfec02000 if DEBUG_SOCFPGA_UART
+       default 0xfec02000 if DEBUG_SOCFPGA_UART0
+       default 0xfec02100 if DEBUG_SOCFPGA_UART1
        default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE
        default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
        default 0xfec10000 if DEBUG_SIRFATLAS7_UART0
@@ -1530,8 +1541,9 @@ config DEBUG_UART_8250_WORD
        bool "Use 32-bit accesses for 8250 UART"
        depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
        depends on DEBUG_UART_8250_SHIFT >= 2
-       default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
-               ARCH_KEYSTONE || DEBUG_ALPINE_UART0 || \
+       default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART0 || \
+               DEBUG_SOCFPGA_UART1 || ARCH_KEYSTONE || \
+               DEBUG_ALPINE_UART0 || \
                DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
                DEBUG_DAVINCI_DA8XX_UART2 || \
                DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \