From 2ce39109a5062b06df440fbf2993ce9ab3bf6e08 Mon Sep 17 00:00:00 2001 From: York Sun Date: Tue, 12 May 2015 18:03:42 +0800 Subject: [PATCH] EDAC, mpc85xx: Extend error address to 64 bit Extend err_addr to cover 64 bits for DDR errors. Signed-off-by: York Sun Acked-by: Johannes Thumshirn 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 Signed-off-by: Borislav Petkov --- drivers/edac/mpc85xx_edac.c | 10 +++++++--- drivers/edac/mpc85xx_edac.h | 1 + 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 68bf234..23ef8e9 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/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 */ diff --git a/drivers/edac/mpc85xx_edac.h b/drivers/edac/mpc85xx_edac.h index 4498baf..9352e88 100644 --- a/drivers/edac/mpc85xx_edac.h +++ b/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 -- 2.7.4