1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index c6012d6cd527..59f90f76ee31 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -198,6 +198,16 @@ static void mpc83xx_usb_setup(struct usb_hcd *hcd)
                 mpc83xx_setup_phy(ehci, pdata->phy_mode, 0);
 
         if (pdata->operating_mode == FSL_USB2_MPH_HOST) {
+                unsigned int chip, rev, svr;
+
+                svr = mfspr(SPRN_SVR);
+                chip = svr >> 16;
+                rev = (svr >> 4) & 0xf;
+
+                /* Deal with USB Erratum #14 on MPC834x Rev 1.0 & 1.1 chips */
+                if ((rev == 1) && (chip >= 0x8050) && (chip <= 0x8055))
+                        ehci->has_fsl_port_bug = 1;
+
                 if (pdata->port_enables & FSL_USB2_PORT0_ENABLED)
                         mpc83xx_setup_phy(ehci, pdata->phy_mode, 0);
                 if (pdata->port_enables & FSL_USB2_PORT1_ENABLED)