X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=drivers%2Fedac%2Fe752x_edac.c;h=8bcc887692ab24e85665d2191e7a6371b489abd8;hb=7baca6ad0ef09c8a78d798c93a3ce25336e8f50f;hp=c82bc0ed7f143113fcea830717b60f388a46b3dd;hpb=ca78f6baca863afe2e6a244a0fe94b3a70211d46;p=linux-drm-fsl-dcu.git

diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index c82bc0ed7f14..8bcc887692ab 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -285,8 +285,9 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
 	if (!pvt->map_type)
 		row = 7 - row;
 
-	edac_mc_handle_ce(mci, page, 0, sec1_syndrome, row, channel,
-		"e752x CE");
+	/* e752x mc reads 34:6 of the DRAM linear address */
+	edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4),
+			sec1_syndrome, row, channel, "e752x CE");
 }
 
 static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
@@ -319,8 +320,10 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
 			((block_page >> 1) & 3) :
 			edac_mc_find_csrow_by_page(mci, block_page);
 
-		edac_mc_handle_ue(mci, block_page, 0, row,
-			"e752x UE from Read");
+		/* e752x mc reads 34:6 of the DRAM linear address */
+		edac_mc_handle_ue(mci, block_page,
+					offset_in_page(error_2b << 4),
+					row, "e752x UE from Read");
 	}
 	if (error_one & 0x0404) {
 		error_2b = scrb_add;
@@ -333,8 +336,10 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
 			((block_page >> 1) & 3) :
 			edac_mc_find_csrow_by_page(mci, block_page);
 
-		edac_mc_handle_ue(mci, block_page, 0, row,
-				"e752x UE from Scruber");
+		/* e752x mc reads 34:6 of the DRAM linear address */
+		edac_mc_handle_ue(mci, block_page,
+					offset_in_page(error_2b << 4),
+					row, "e752x UE from Scruber");
 	}
 }
 
@@ -556,17 +561,17 @@ static void e752x_check_sysbus(struct e752x_error_info *info,
 	error32 = (stat32 >> 16) & 0x3ff;
 	stat32 = stat32 & 0x3ff;
 
-	if(stat32 & 0x083)
-		sysbus_error(1, stat32 & 0x083, error_found, handle_error);
+	if(stat32 & 0x087)
+		sysbus_error(1, stat32 & 0x087, error_found, handle_error);
 
-	if(stat32 & 0x37c)
-		sysbus_error(0, stat32 & 0x37c, error_found, handle_error);
+	if(stat32 & 0x378)
+		sysbus_error(0, stat32 & 0x378, error_found, handle_error);
 
-	if(error32 & 0x083)
-		sysbus_error(1, error32 & 0x083, error_found, handle_error);
+	if(error32 & 0x087)
+		sysbus_error(1, error32 & 0x087, error_found, handle_error);
 
-	if(error32 & 0x37c)
-		sysbus_error(0, error32 & 0x37c, error_found, handle_error);
+	if(error32 & 0x378)
+		sysbus_error(0, error32 & 0x378, error_found, handle_error);
 }
 
 static void e752x_check_membuf (struct e752x_error_info *info,
@@ -782,7 +787,12 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
 	u8 value;
 	u32 dra, drc, cumul_size;
 
-	pci_read_config_dword(pdev, E752X_DRA, &dra);
+	dra = 0;
+	for (index=0; index < 4; index++) {
+		u8 dra_reg;
+		pci_read_config_byte(pdev, E752X_DRA+index, &dra_reg);
+		dra |= dra_reg << (index * 8);
+	}
 	pci_read_config_dword(pdev, E752X_DRC, &drc);
 	drc_chan = dual_channel_active(ddrcsr);
 	drc_drbg = drc_chan + 1;  /* 128 in dual mode, 64 in single */