[PATCH] ppc32: Fix boot with ppc970fx CPU

This patch fixes boot on machines with a 970FX CPU, for PPC 32
bits kernels, please apply.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc/kernel/cpu_setup_power4.S

@@ -112,7 +112,9 @@ _GLOBAL(__save_cpu_setup)
 	/* We only deal with 970 for now */
 	mfspr	r0,SPRN_PVR
 	srwi	r0,r0,16
-	cmpwi	r0,0x39
+	cmpwi	cr0,r0,0x39
+	cmpwi	cr1,r0,0x3c
+	cror	4*cr0+eq,4*cr0+eq,4*cr1+eq
 	bne	1f
 
 	/* Save HID0,1,4 and 5 */
@@ -144,7 +146,9 @@ _GLOBAL(__restore_cpu_setup)
 	/* We only deal with 970 for now */
 	mfspr	r0,SPRN_PVR
 	srwi	r0,r0,16
-	cmpwi	r0,0x39
+	cmpwi	cr0,r0,0x39
+	cmpwi	cr1,r0,0x3c
+	cror	4*cr0+eq,4*cr0+eq,4*cr1+eq
 	bne	1f
 
 	/* Clear interrupt prefix */

arch/ppc/kernel/cputable.c

@@ -445,6 +445,15 @@ struct cpu_spec	cpu_specs[] = {
 	128, 128,
 	__setup_cpu_ppc970
     },
+    {	/* PPC970FX */
+	0xffff0000, 0x003c0000, "PPC970FX",
+	CPU_FTR_COMMON |
+	CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+	CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP,
+	COMMON_PPC | PPC_FEATURE_64 | PPC_FEATURE_ALTIVEC_COMP,
+	128, 128,
+	__setup_cpu_ppc970
+    },
 #endif /* CONFIG_POWER4 */
 #ifdef CONFIG_8xx
     {	/* 8xx */