powerpc/usb: Workaround for erratum-A006261

[karo-tx-uboot.git] / arch / powerpc / include / asm / fsl_errata.h

diff --git a/arch/powerpc/include/asm/fsl_errata.h b/arch/powerpc/include/asm/fsl_errata.h
index a59091977efb30150dacee195edd14499d3efccb..c9982cc8ec49486cf14c3ed786cac48f46d4c17f 100644 (file)
--- a/arch/powerpc/include/asm/fsl_errata.h
+++ b/arch/powerpc/include/asm/fsl_errata.h
@@ -26,4 +26,38 @@ static inline bool has_erratum_a006379(void)
 }
 #endif
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A006261
+static inline bool has_erratum_a006261(void)
+{
+       u32 svr = get_svr();
+       u32 soc = SVR_SOC_VER(svr);
+
+       switch (soc) {
+       case SVR_P1010:
+               return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0);
+       case SVR_P2041:
+       case SVR_P2040:
+               return IS_SVR_REV(svr, 1, 0) ||
+                       IS_SVR_REV(svr, 1, 1) || IS_SVR_REV(svr, 2, 1);
+       case SVR_P3041:
+               return IS_SVR_REV(svr, 1, 0) ||
+                       IS_SVR_REV(svr, 1, 1) ||
+                       IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 2, 1);
+       case SVR_P5010:
+       case SVR_P5020:
+       case SVR_P5021:
+               return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0);
+       case SVR_T4240:
+       case SVR_T4160:
+               return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0);
+       case SVR_T1040:
+               return IS_SVR_REV(svr, 1, 0);
+       case SVR_P5040:
+               return IS_SVR_REV(svr, 1, 0);
+       }
+
+       return false;
+}
+#endif
+
 #endif