powerpc/8xx: Allow pinning IMMR TLB when using early debug console

CONFIG_EARLY_DEBUG_CPM requires IMMR area TLB to be pinned
otherwise it doesn't survive MMU_init, and the boot fails.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 6d6e1ff..a1e858e 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1143,7 +1143,7 @@ config PIN_TLB_DATA
 
 config PIN_TLB_IMMR
        bool "Pinned TLB for IMMR"
-       depends on PIN_TLB
+       depends on PIN_TLB || PPC_EARLY_DEBUG_CPM
        default y
 
 config PIN_TLB_TEXT