[PATCH V2 46/68] powerpc/mm/radix: Update secondary PTCR

[Aneesh Kumar K.V]

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
---
 arch/powerpc/mm/hash_utils_64.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 8dfc6ae85d4a..be5d123b3f61 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -892,9 +892,13 @@ void __init hlearly_init_mmu(void)
 void hlearly_init_mmu_secondary(void)
 {
 	/* Initialize hash table for that CPU */
-	if (!firmware_has_feature(FW_FEATURE_LPAR))
-		mtspr(SPRN_SDR1, _SDR1);
-
+	if (!firmware_has_feature(FW_FEATURE_LPAR)) {
+		if (!cpu_has_feature(CPU_FTR_ARCH_300))
+			mtspr(SPRN_SDR1, _SDR1);
+		else
+			mtspr(SPRN_PTCR,
+			      __pa(partition_tb) | (PATB_SIZE_SHIFT - 12));
+	}
 	/* Initialize SLB */
 	slb_initialize();
 }
-- 
2.5.0