1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 512b39438548..661030d6bc6c 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -379,6 +379,13 @@ choice
                   Say Y here if you want kernel low-level debugging support
                   on Allwinner A1X based platforms on the UART1.
 
+        config DEBUG_TEGRA_UART
+                depends on ARCH_TEGRA
+                bool "Use Tegra UART for low-level debug"
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on Tegra based platforms.
+
         config DEBUG_VEXPRESS_UART0_DETECT
                 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
                 depends on ARCH_VEXPRESS && CPU_CP15_MMU
@@ -452,6 +459,36 @@ config DEBUG_IMX6Q_UART_PORT
           Choose UART port on which kernel low-level debug messages
           should be output.
 
+choice
+        prompt "Low-level debug console UART"
+        depends on DEBUG_LL && DEBUG_TEGRA_UART
+
+        config TEGRA_DEBUG_UART_AUTO_ODMDATA
+        bool "Via ODMDATA"
+        help
+          Automatically determines which UART to use for low-level debug based
+          on the ODMDATA value. This value is part of the BCT, and is written
+          to the boot memory device using nvflash, or other flashing tool.
+          When bits 19:18 are 3, then bits 17:15 indicate which UART to use;
+          0/1/2/3/4 are UART A/B/C/D/E.
+
+        config TEGRA_DEBUG_UARTA
+                bool "UART A"
+
+        config TEGRA_DEBUG_UARTB
+                bool "UART B"
+
+        config TEGRA_DEBUG_UARTC
+                bool "UART C"
+
+        config TEGRA_DEBUG_UARTD
+                bool "UART D"
+
+        config TEGRA_DEBUG_UARTE
+                bool "UART E"
+
+endchoice
+
 config DEBUG_LL_INCLUDE
         string
         default "debug/icedcc.S" if DEBUG_ICEDCC
@@ -469,6 +506,8 @@ config DEBUG_LL_INCLUDE
         default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1
         default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
                 DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
+        default "debug/tegra.S" if DEBUG_TEGRA_UART
+        default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
         default "mach/debug-macro.S"
 
 config EARLY_PRINTK