powerpc: Add a configuration option for early BootX/OpenFirmware debug

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 863d877e0b5f..d86875f3e17e 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -147,6 +147,13 @@ choice
           enable debugging for the wrong type of machine your kernel
           _will not boot_.
 
+config PPC_EARLY_DEBUG_BOOTX
+        bool "BootX or OpenFirmware"
+        depends on BOOTX_TEXT
+        help
+          Select this to enable early debugging for a machine using BootX
+          or OpenFirmware.
+
 config PPC_EARLY_DEBUG_LPAR
         bool "LPAR HV Console"
         depends on PPC_PSERIES