EDAC, mpc85xx: Extend error address to 64 bit

Extend err_addr to cover 64 bits for DDR errors.

Signed-off-by: York Sun <yorksun@freescale.com>
Acked-by: Johannes Thumshirn <morbidrsa@gmail.com>
Cc: Mingkai.hu@freescale.com
Link: http://lkml.kernel.org/r/1431425022-44766-2-git-send-email-Wenbin.Song@freescale.com
Signed-off-by: songwenbin <wenbin.song@freescale.com>
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/mpc85xx_edac.c

@@ -811,6 +811,8 @@ static void sbe_ecc_decode(u32 cap_high, u32 cap_low, u32 cap_ecc,
 	}
 }
 
+#define make64(high, low) (((u64)(high) << 32) | (low))
+
 static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 {
 	struct mpc85xx_mc_pdata *pdata = mci->pvt_info;
@@ -818,7 +820,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 	u32 bus_width;
 	u32 err_detect;
 	u32 syndrome;
-	u32 err_addr;
+	u64 err_addr;
 	u32 pfn;
 	int row_index;
 	u32 cap_high;
@@ -849,7 +851,9 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 	else
 		syndrome &= 0xffff;
 
-	err_addr = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ADDRESS);
+	err_addr = make64(
+		in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_EXT_ADDRESS),
+		in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ADDRESS));
 	pfn = err_addr >> PAGE_SHIFT;
 
 	for (row_index = 0; row_index < mci->nr_csrows; row_index++) {
@@ -886,7 +890,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 	mpc85xx_mc_printk(mci, KERN_ERR,
 			"Captured Data / ECC:\t%#8.8x_%08x / %#2.2x\n",
 			cap_high, cap_low, syndrome);
-	mpc85xx_mc_printk(mci, KERN_ERR, "Err addr: %#8.8x\n", err_addr);
+	mpc85xx_mc_printk(mci, KERN_ERR, "Err addr: %#8.8llx\n", err_addr);
 	mpc85xx_mc_printk(mci, KERN_ERR, "PFN: %#8.8x\n", pfn);
 
 	/* we are out of range */

drivers/edac/mpc85xx_edac.h

@@ -43,6 +43,7 @@
 #define MPC85XX_MC_ERR_INT_EN		0x0e48
 #define MPC85XX_MC_CAPTURE_ATRIBUTES	0x0e4c
 #define MPC85XX_MC_CAPTURE_ADDRESS	0x0e50
+#define MPC85XX_MC_CAPTURE_EXT_ADDRESS	0x0e54
 #define MPC85XX_MC_ERR_SBE		0x0e58
 
 #define DSC_MEM_EN	0x80000000