From 67b1b7f52a4cd71315a30a4fc7f27ebf45ceaddb Mon Sep 17 00:00:00 2001
From: marcel <marcel@FreeBSD.org>
Date: Mon, 2 Jul 2012 21:15:56 +0000
Subject: Invalidate any TLB1 entries we don't need. The firmware (e.g. U-Boot)
 may have added entries that conflict with TLB0 entries.

---
 sys/powerpc/booke/pmap.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys/powerpc/booke/pmap.c')

diff --git a/sys/powerpc/booke/pmap.c b/sys/powerpc/booke/pmap.c
index beb6dd7..8b27e6e 100644
--- a/sys/powerpc/booke/pmap.c
+++ b/sys/powerpc/booke/pmap.c
@@ -3042,6 +3042,10 @@ tlb1_init(vm_offset_t ccsrbar)
 	/* Map in CCSRBAR. */
 	tlb1_set_entry(CCSRBAR_VA, ccsrbar, CCSRBAR_SIZE, _TLB_ENTRY_IO);
 
+	/* Purge the remaining entries */
+	for (i = tlb1_idx; i < TLB1_ENTRIES; i++)
+		tlb1_write_entry(i);
+
 	/* Setup TLB miss defaults */
 	set_mas4_defaults();
 }
-- 
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