powerpc/32: Wire up the trampoline code for kdump

Wire up the trampoline code for ppc32 to relay exceptions from the
vectors at address 0 to vectors at address 32MB, and modify Kconfig
to enable Kdump support for all classic powerpcs.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index d72ef39f2b37..9e1ca745d8f0 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -126,6 +126,8 @@ notrace void __init machine_init(unsigned long dt_ptr)
 
         probe_machine();
 
+        setup_kdump_trampoline();
+
 #ifdef CONFIG_6xx
         if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||
             cpu_has_feature(CPU_FTR_CAN_NAP))