drivers : usb: fsl: Implement usb Erratum A007798 workaround
Set TXFIFOTHRESH to adjust ddr pipeline delay for successful large
usb writes
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/fsl_usb.h b/include/fsl_usb.h
index 66f8934..e4902aa 100644
--- a/include/fsl_usb.h
+++ b/include/fsl_usb.h
@@ -139,6 +139,12 @@
}
return false;
}
+
+static inline bool has_erratum_a007798(void)
+{
+ return SVR_SOC_VER(get_svr()) == SVR_T4240 &&
+ IS_SVR_REV(get_svr(), 2, 0);
+}
#else
static inline bool has_erratum_a006261(void)
{
@@ -150,5 +156,10 @@
return false;
}
+static inline bool has_erratum_a007798(void)
+{
+ return false;
+}
+
#endif
#endif /*_ASM_FSL_USB_H_ */