powerpc/powernv: Fix OPAL debug entry
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Sun, 21 Oct 2012 14:30:52 +0000 (14:30 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 15 Nov 2012 02:00:14 +0000 (13:00 +1100)
OPAL provides the firmware base/entry in registers at boot time
for debugging purposes. We had a bug in the code trying to stash
these into the appropriate kernel globals (a line of code was
probably dropped by accident back when this was merged)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/head_64.S

index 58bddee..694e3fa 100644 (file)
@@ -703,6 +703,7 @@ _INIT_STATIC(start_here_multiplatform)
 
 #ifdef CONFIG_PPC_EARLY_DEBUG_OPAL
        /* Setup OPAL entry */
+       LOAD_REG_ADDR(r11, opal)
        std     r28,0(r11);
        std     r29,8(r11);
 #endif