powerpc/p4080: Add workaround for erratum CPU22
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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