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yaml
---
r: 309108
b: refs/heads/master
c: ce11ce1
h: refs/heads/master
v: v3
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Mauro Carvalho Chehab committed May 28, 2012
1 parent d45e7a0 commit bec6062
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Showing 2 changed files with 35 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: df62b1e663904e257fd5b174a9b29e6be6d0e902
refs/heads/master: ce11ce171047f43e30a9cef8eeccada8eceb2418
49 changes: 34 additions & 15 deletions trunk/drivers/edac/e752x_edac.c
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,9 @@
*
* See "enum e752x_chips" below for supported chipsets
*
* Datasheet:
* http://www.intel.in/content/www/in/en/chipsets/e7525-memory-controller-hub-datasheet.html
*
* Written by Tom Zimmerman
*
* Contributors:
Expand Down Expand Up @@ -350,8 +353,10 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
channel = !(error_one & 1);

/* 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");
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
page, offset_in_page(sec1_add << 4), sec1_syndrome,
row, channel, -1,
"e752x CE", "", NULL);
}

static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
Expand Down Expand Up @@ -385,9 +390,12 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
edac_mc_find_csrow_by_page(mci, block_page);

/* 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");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
block_page,
offset_in_page(error_2b << 4), 0,
row, -1, -1,
"e752x UE from Read", "", NULL);

}
if (error_one & 0x0404) {
error_2b = scrb_add;
Expand All @@ -401,9 +409,11 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
edac_mc_find_csrow_by_page(mci, block_page);

/* 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");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
block_page,
offset_in_page(error_2b << 4), 0,
row, -1, -1,
"e752x UE from Scruber", "", NULL);
}
}

Expand All @@ -426,7 +436,9 @@ static inline void process_ue_no_info_wr(struct mem_ctl_info *mci,
return;

debugf3("%s()\n", __func__);
edac_mc_handle_ue_no_info(mci, "e752x UE log memory write");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 0, 0, 0,
-1, -1, -1,
"e752x UE log memory write", "", NULL);
}

static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error,
Expand Down Expand Up @@ -1081,10 +1093,11 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;

for (i = 0; i < drc_chan + 1; i++) {
for (i = 0; i < csrow->nr_channels; i++) {
struct dimm_info *dimm = csrow->channels[i].dimm;

dimm->nr_pages = nr_pages / (drc_chan + 1);
debugf3("Initializing rank at (%i,%i)\n", index, i);
dimm->nr_pages = nr_pages / csrow->nr_channels;
dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
dimm->mtype = MEM_RDDR; /* only one type supported */
dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
Expand Down Expand Up @@ -1232,6 +1245,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
u16 pci_data;
u8 stat8;
struct mem_ctl_info *mci;
struct edac_mc_layer layers[2];
struct e752x_pvt *pvt;
u16 ddrcsr;
int drc_chan; /* Number of channels 0=1chan,1=2chan */
Expand All @@ -1258,11 +1272,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
/* Dual channel = 1, Single channel = 0 */
drc_chan = dual_channel_active(ddrcsr);

mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1, 0);

if (mci == NULL) {
layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
layers[0].size = E752X_NR_CSROWS;
layers[0].is_virt_csrow = true;
layers[1].type = EDAC_MC_LAYER_CHANNEL;
layers[1].size = drc_chan + 1;
layers[1].is_virt_csrow = false;
mci = new_edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
sizeof(*pvt));
if (mci == NULL)
return -ENOMEM;
}

debugf3("%s(): init mci\n", __func__);
mci->mtype_cap = MEM_FLAG_RDDR;
Expand Down

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