[PATCH] ppc32: add 440GX erratum 440_43 workaround

[linux-2.6] / arch / ppc / syslib / ibm440gx_common.c

diff --git a/arch/ppc/syslib/ibm440gx_common.c b/arch/ppc/syslib/ibm440gx_common.c
index a7dd55f1c63e126f604227f249aefe648039d2db..f6cc16888527fd159e017a76f524253ab8c441ff 100644 (file)
--- a/arch/ppc/syslib/ibm440gx_common.c
+++ b/arch/ppc/syslib/ibm440gx_common.c
@@ -2,7 +2,7 @@
  * PPC440GX system library
  *
  * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003, 2004 Zultys Technologies
+ * Copyright (c) 2003 - 2006 Zultys Technologies
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -282,3 +282,14 @@ int ibm440gx_show_cpuinfo(struct seq_file *m){
        return 0;
 }
 
+void __init ibm440gx_platform_init(unsigned long r3, unsigned long r4,
+                                  unsigned long r5, unsigned long r6,
+                                  unsigned long r7)
+{
+       /* Erratum 440_43 workaround, disable L1 cache parity checking */
+       if (!strcmp(cur_cpu_spec->cpu_name, "440GX Rev. C") ||
+           !strcmp(cur_cpu_spec->cpu_name, "440GX Rev. F"))
+               mtspr(SPRN_CCR1, mfspr(SPRN_CCR1) | CCR1_DPC);
+
+       ibm44x_platform_init(r3, r4, r5, r6, r7);
+}