2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index ecd5928d7110..6d0114a1b77e 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -672,6 +672,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 {
        struct mpc85xx_mc_pdata *pdata = mci->pvt_info;
        struct csrow_info *csrow;
+        u32 bus_width;
        u32 err_detect;
        u32 syndrome;
        u32 err_addr;
@@ -692,6 +693,15 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
        }
        syndrome = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ECC);
+        /* Mask off appropriate bits of syndrome based on bus width */
+        bus_width = (in_be32(pdata->mc_vbase + MPC85XX_MC_DDR_SDRAM_CFG) &
+                        DSC_DBW_MASK) ? 32 : 64;
+        if (bus_width == 64)
+                syndrome &= 0xff;
+        else
+                syndrome &= 0xffff;
        err_addr = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ADDRESS);
        pfn = err_addr >> PAGE_SHIFT;
@@ -707,7 +717,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
        mpc85xx_mc_printk(mci, KERN_ERR, "Capture Data Low: %#8.8x\n",
                          in_be32(pdata->mc_vbase +
                                  MPC85XX_MC_CAPTURE_DATA_LO));
-        mpc85xx_mc_printk(mci, KERN_ERR, "syndrome: %#8.8x\n", syndrome);
+        mpc85xx_mc_printk(mci, KERN_ERR, "syndrome: %#2.2x\n", syndrome);
        mpc85xx_mc_printk(mci, KERN_ERR, "err addr: %#8.8x\n", err_addr);
        mpc85xx_mc_printk(mci, KERN_ERR, "PFN: %#8.8x\n", pfn);
diff --git a/drivers/edac/mpc85xx_edac.h b/drivers/edac/mpc85xx_edac.h
index 52432ee7c4b9..cb24df839460 100644
--- a/drivers/edac/mpc85xx_edac.h
+++ b/drivers/edac/mpc85xx_edac.h
@@ -48,6 +48,9 @@
 #define DSC_MEM_EN      0x80000000
 #define DSC_ECC_EN      0x20000000
 #define DSC_RD_EN       0x10000000
+#define DSC_DBW_MASK    0x00180000
+#define DSC_DBW_32      0x00080000
+#define DSC_DBW_64      0x00000000
 #define DSC_SDTYPE_MASK         0x07000000