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Diffstat (limited to 'drivers/edac/e752x_edac.c')
-rw-r--r--drivers/edac/e752x_edac.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 41223261ede9..6cf6ec6bc71e 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -1044,7 +1044,7 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */
int drc_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */
u8 value;
- u32 dra, drc, cumul_size;
+ u32 dra, drc, cumul_size, i;
dra = 0;
for (index = 0; index < 4; index++) {
@@ -1053,7 +1053,7 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
dra |= dra_reg << (index * 8);
}
pci_read_config_dword(pdev, E752X_DRC, &drc);
- drc_chan = dual_channel_active(ddrcsr);
+ drc_chan = dual_channel_active(ddrcsr) ? 1 : 0;
drc_drbg = drc_chan + 1; /* 128 in dual mode, 64 in single */
drc_ddim = (drc >> 20) & 0x3;
@@ -1080,24 +1080,28 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
csrow->last_page = cumul_size - 1;
csrow->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
- csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */
- csrow->mtype = MEM_RDDR; /* only one type supported */
- csrow->dtype = mem_dev ? DEV_X4 : DEV_X8;
-
- /*
- * if single channel or x8 devices then SECDED
- * if dual channel and x4 then S4ECD4ED
- */
- if (drc_ddim) {
- if (drc_chan && mem_dev) {
- csrow->edac_mode = EDAC_S4ECD4ED;
- mci->edac_cap |= EDAC_FLAG_S4ECD4ED;
- } else {
- csrow->edac_mode = EDAC_SECDED;
- mci->edac_cap |= EDAC_FLAG_SECDED;
- }
- } else
- csrow->edac_mode = EDAC_NONE;
+
+ for (i = 0; i < drc_chan + 1; i++) {
+ struct dimm_info *dimm = csrow->channels[i].dimm;
+ dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
+ dimm->mtype = MEM_RDDR; /* only one type supported */
+ dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
+
+ /*
+ * if single channel or x8 devices then SECDED
+ * if dual channel and x4 then S4ECD4ED
+ */
+ if (drc_ddim) {
+ if (drc_chan && mem_dev) {
+ dimm->edac_mode = EDAC_S4ECD4ED;
+ mci->edac_cap |= EDAC_FLAG_S4ECD4ED;
+ } else {
+ dimm->edac_mode = EDAC_SECDED;
+ mci->edac_cap |= EDAC_FLAG_SECDED;
+ }
+ } else
+ dimm->edac_mode = EDAC_NONE;
+ }
}
}