[coreboot-gerrit] New patch to review for coreboot: b641366 armv7: invalidate TLB after changing translation table entries

[David Hendricks (dhendrix@chromium.org)]

David Hendricks (dhendrix at chromium.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2946

-gerrit

commit b641366b56ef72edcdcf327f7264730d88ff25e1
Author: David Hendricks <dhendrix at chromium.org>
Date:   Thu Mar 28 18:28:30 2013 -0700

    armv7: invalidate TLB after changing translation table entries
    
    This adds a call to tlb_invalidate_all() after configuring a range
    of memory.
    
    Change-Id: I558402e7e54b6bf9e0b013f153d9b84c0873a6cf
    Signed-off-by: David Hendricks <dhendrix at chromium.org>
---
 src/arch/armv7/lib/mmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/arch/armv7/lib/mmu.c b/src/arch/armv7/lib/mmu.c
index d55d4bd..224b566 100644
--- a/src/arch/armv7/lib/mmu.c
+++ b/src/arch/armv7/lib/mmu.c
@@ -88,6 +88,9 @@ void mmu_config_range(unsigned long start_mb, unsigned long size_mb,
 
 	for (i = start_mb; i < start_mb + size_mb; i++)
 		ttb_entry[i] = (i << 20) | attr;
+
+	/* TODO: add helper to invalidate TLB by MVA */
+	tlb_invalidate_all();
 }
 
 void mmu_init(void)