[rtems commit] bsp/qoriq: Add missing isync after mtmsr

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    2f5e3c72b1227c2607d99f6e88264814d5b2d04a
Changeset: http://git.rtems.org/rtems/commit/?id=2f5e3c72b1227c2607d99f6e88264814d5b2d04a

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Oct 15 10:45:20 2015 +0200

bsp/qoriq: Add missing isync after mtmsr

---

 c/src/lib/libbsp/powerpc/qoriq/start/start.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/c/src/lib/libbsp/powerpc/qoriq/start/start.S b/c/src/lib/libbsp/powerpc/qoriq/start/start.S
index f43348f..ce376b0 100644
--- a/c/src/lib/libbsp/powerpc/qoriq/start/start.S
+++ b/c/src/lib/libbsp/powerpc/qoriq/start/start.S
@@ -69,6 +69,7 @@ _start:
 	LWI	INITIAL_MSR, QORIQ_INITIAL_MSR
 	ori	r0, INITIAL_MSR, MSR_IS | MSR_DS
 	mtmsr	r0
+	isync
 
 	/* Initialize start stack */
 	LWI	r1, start_stack_end - PPC_MINIMUM_STACK_FRAME_SIZE
@@ -123,6 +124,7 @@ _start:
 	li	r4, SCRATCH_TLB
 	bl	qoriq_mmu_config
 	mtmsr	INITIAL_MSR
+	isync
 	li	r3, SCRATCH_TLB
 	bl	qoriq_tlb1_invalidate
 
@@ -269,6 +271,7 @@ _start_secondary_processor:
 	LWI	INITIAL_MSR, QORIQ_INITIAL_MSR
 	ori	r0, INITIAL_MSR, MSR_IS | MSR_DS
 	mtmsr	r0
+	isync
 
 	/* Initialize start stack */
 	subi	r1, r1, PPC_MINIMUM_STACK_FRAME_SIZE
@@ -285,6 +288,7 @@ _start_secondary_processor:
 	li	r4, SCRATCH_TLB
 	bl	qoriq_mmu_config
 	mtmsr	INITIAL_MSR
+	isync
 	li	r3, SCRATCH_TLB
 	bl	qoriq_tlb1_invalidate