commit fd3c9befa83eecf6e7c6ef03c501159fbf754143
author Kumar Gala <galak@kernel.crashing.org> Wed May 05 22:35:27 2010 -0500
committer Kumar Gala <galak@kernel.crashing.org> Mon Jul 26 13:07:57 2010 -0500
tree 825bcfea93aea0ed8d270bd993262bab45982981
parent 61054ffa1690b2aef4e845c6aa071840b93abff6

powerpc/p4080: Add workaround for erratum CPU22

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc85xx/release.S

diff --git a/arch/powerpc/cpu/mpc85xx/release.S b/arch/powerpc/cpu/mpc85xx/release.S
index 0b5b9da..53cefaf 100644
--- a/arch/powerpc/cpu/mpc85xx/release.S
+++ b/arch/powerpc/cpu/mpc85xx/release.S
@@ -136,6 +136,12 @@
 	mtspr	L1CSR2,r8
 #endif
 
+#if defined(CONFIG_SYS_P4080_ERRATUM_CPU22)
+	mfspr	r8,L1CSR2
+	oris	r8,r8,(L1CSR2_DCWS)@h
+	mtspr	L1CSR2,r8
+#endif
+
 #ifdef CONFIG_BACKSIDE_L2_CACHE
 	/* Enable/invalidate the L2 cache */
 	msync