ARM: Add generic fiq serial debugger

[firefly-linux-kernel-4.4.55.git] / arch / arm / common / Kconfig

diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index ce01364a96e3b37ae4b7e2147515834131ca2922..992d4046bb8ac7766002cf16d3dd733668b9c121 100644 (file)
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -21,3 +21,49 @@ config SHARP_SCOOP
 config FIQ_GLUE
        bool
        select FIQ
+
+config FIQ_DEBUGGER
+       bool "FIQ Mode Serial Debugger"
+       select FIQ
+       select FIQ_GLUE
+       default n
+       help
+         The FIQ serial debugger can accept commands even when the
+         kernel is unresponsive due to being stuck with interrupts
+         disabled.
+
+
+config FIQ_DEBUGGER_NO_SLEEP
+       bool "Keep serial debugger active"
+       depends on FIQ_DEBUGGER
+       default n
+       help
+         Enables the serial debugger at boot. Passing
+         fiq_debugger.no_sleep on the kernel commandline will
+         override this config option.
+
+config FIQ_DEBUGGER_WAKEUP_IRQ_ALWAYS_ON
+       bool "Don't disable wakeup IRQ when debugger is active"
+       depends on FIQ_DEBUGGER
+       default n
+       help
+         Don't disable the wakeup irq when enabling the uart clock.  This will
+         cause extra interrupts, but it makes the serial debugger usable with
+         on some MSM radio builds that ignore the uart clock request in power
+         collapse.
+
+config FIQ_DEBUGGER_CONSOLE
+       bool "Console on FIQ Serial Debugger port"
+       depends on FIQ_DEBUGGER
+       default n
+       help
+         Enables a console so that printk messages are displayed on
+         the debugger serial port as the occur.
+
+config FIQ_DEBUGGER_CONSOLE_DEFAULT_ENABLE
+       bool "Put the FIQ debugger into console mode by default"
+       depends on FIQ_DEBUGGER_CONSOLE
+       default n
+       help
+         If enabled, this puts the fiq debugger into console mode by default.
+         Otherwise, the fiq debugger will start out in debug mode.