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-rw-r--r--arch/arm/Kconfig.debug39
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