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-rw-r--r--arch/mips/kernel/cps-vec.S15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 51b98dc371b3..59476a607add 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -441,6 +441,21 @@ LEAF(mips_cps_boot_vpes)
mfc0 t0, CP0_CONFIG
mttc0 t0, CP0_CONFIG
+ /*
+ * Copy the EVA config from this VPE if the CPU supports it.
+ * CONFIG3 must exist to be running MT startup - just read it.
+ */
+ mfc0 t0, CP0_CONFIG, 3
+ and t0, t0, MIPS_CONF3_SC
+ beqz t0, 3f
+ nop
+ mfc0 t0, CP0_SEGCTL0
+ mttc0 t0, CP0_SEGCTL0
+ mfc0 t0, CP0_SEGCTL1
+ mttc0 t0, CP0_SEGCTL1
+ mfc0 t0, CP0_SEGCTL2
+ mttc0 t0, CP0_SEGCTL2
+3:
/* Ensure no software interrupts are pending */
mttc0 zero, CP0_CAUSE
mttc0 zero, CP0_STATUS