2 files changed, 20 insertions, 1 deletions

diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h
index 7950ef4f032c..743385d7b5f2 100644
--- a/arch/mips/include/asm/mach-sibyte/war.h
+++ b/arch/mips/include/asm/mach-sibyte/war.h
@@ -16,7 +16,11 @@
 #if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \
     defined(CONFIG_SB1_PASS_2_WORKAROUNDS)
 
-#define BCM1250_M3_WAR  1
+#ifndef __ASSEMBLY__
+extern int sb1250_m3_workaround_needed(void);
+#endif
+
+#define BCM1250_M3_WAR  sb1250_m3_workaround_needed()
 #define SIBYTE_1956_WAR 1
 
 #else
diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c
index 0444da1e23c2..92da3155ce07 100644
--- a/arch/mips/sibyte/sb1250/setup.c
+++ b/arch/mips/sibyte/sb1250/setup.c
@@ -87,6 +87,21 @@ static int __init setup_bcm1250(void)
         return ret;
 }
 
+int sb1250_m3_workaround_needed(void)
+{
+        switch (soc_type) {
+        case K_SYS_SOC_TYPE_BCM1250:
+        case K_SYS_SOC_TYPE_BCM1250_ALT:
+        case K_SYS_SOC_TYPE_BCM1250_ALT2:
+        case K_SYS_SOC_TYPE_BCM1125:
+        case K_SYS_SOC_TYPE_BCM1125H:
+                return soc_pass < K_SYS_REVISION_BCM1250_C0;
+
+        default:
+                return 0;
+        }
+}
+
 static int __init setup_bcm112x(void)
 {
         int ret = 0;