[POWERPC] powerpc: Make RTAS console init generic

The rtas console doesn't have to be Cell specific.  If we get both
RTAS tokens, we should just enabled the console then and there.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 7 insertions, 5 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 13e583f16ed..7f782b338e8 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -426,7 +426,8 @@ config PPC_IBM_CELL_BLADE
         select UDBG_RTAS_CONSOLE
 
 config UDBG_RTAS_CONSOLE
-        bool
+        bool "RTAS based debug console"
+        depends on PPC_RTAS
         default n
 
 config XICS
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index bfd66d3a035..6b0699b82b4 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -910,6 +910,11 @@ int __init early_init_dt_scan_rtas(unsigned long node,
         basep = of_get_flat_dt_prop(node, "get-term-char", NULL);
         if (basep)
                 rtas_getchar_token = *basep;
+
+        if (rtas_putchar_token != RTAS_UNKNOWN_SERVICE &&
+            rtas_getchar_token != RTAS_UNKNOWN_SERVICE)
+                udbg_init_rtas_console();
+
 #endif
 
         /* break now */
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 282987d6d4a..22c228a49c3 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -150,10 +150,6 @@ static int __init cell_probe(void)
             !of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
                 return 0;
 
-#ifdef CONFIG_UDBG_RTAS_CONSOLE
-        udbg_init_rtas_console();
-#endif
-
         hpte_init_native();
 
         return 1;