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-rw-r--r--cpu/mpc85xx/release.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/cpu/mpc85xx/release.S b/cpu/mpc85xx/release.S
index 75676b5..ec5e4da 100644
--- a/cpu/mpc85xx/release.S
+++ b/cpu/mpc85xx/release.S
@@ -37,6 +37,11 @@ __secondary_start_page:
li r3,0x201
mtspr SPRN_BUCSR,r3
+ /* Ensure TB is 0 */
+ li r3,0
+ mttbl r3
+ mttbu r3
+
/* Enable/invalidate the I-Cache */
mfspr r0,SPRN_L1CSR1
ori r0,r0,(L1CSR1_ICFI|L1CSR1_ICE)