aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/edac/e7xxx_edac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/edac/e7xxx_edac.c')
-rw-r--r--drivers/edac/e7xxx_edac.c44
1 files changed, 25 insertions, 19 deletions
diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
index 68dea87b72e..5ed97f6eb34 100644
--- a/drivers/edac/e7xxx_edac.c
+++ b/drivers/edac/e7xxx_edac.c
@@ -347,11 +347,12 @@ static void e7xxx_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
347 int dev_idx, u32 drc) 347 int dev_idx, u32 drc)
348{ 348{
349 unsigned long last_cumul_size; 349 unsigned long last_cumul_size;
350 int index; 350 int index, j;
351 u8 value; 351 u8 value;
352 u32 dra, cumul_size; 352 u32 dra, cumul_size;
353 int drc_chan, drc_drbg, drc_ddim, mem_dev; 353 int drc_chan, drc_drbg, drc_ddim, mem_dev;
354 struct csrow_info *csrow; 354 struct csrow_info *csrow;
355 struct dimm_info *dimm;
355 356
356 pci_read_config_dword(pdev, E7XXX_DRA, &dra); 357 pci_read_config_dword(pdev, E7XXX_DRA, &dra);
357 drc_chan = dual_channel_active(drc, dev_idx); 358 drc_chan = dual_channel_active(drc, dev_idx);
@@ -381,24 +382,29 @@ static void e7xxx_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
381 csrow->last_page = cumul_size - 1; 382 csrow->last_page = cumul_size - 1;
382 csrow->nr_pages = cumul_size - last_cumul_size; 383 csrow->nr_pages = cumul_size - last_cumul_size;
383 last_cumul_size = cumul_size; 384 last_cumul_size = cumul_size;
384 csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */ 385
385 csrow->mtype = MEM_RDDR; /* only one type supported */ 386 for (j = 0; j < drc_chan + 1; j++) {
386 csrow->dtype = mem_dev ? DEV_X4 : DEV_X8; 387 dimm = csrow->channels[j].dimm;
387 388
388 /* 389 dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
389 * if single channel or x8 devices then SECDED 390 dimm->mtype = MEM_RDDR; /* only one type supported */
390 * if dual channel and x4 then S4ECD4ED 391 dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
391 */ 392
392 if (drc_ddim) { 393 /*
393 if (drc_chan && mem_dev) { 394 * if single channel or x8 devices then SECDED
394 csrow->edac_mode = EDAC_S4ECD4ED; 395 * if dual channel and x4 then S4ECD4ED
395 mci->edac_cap |= EDAC_FLAG_S4ECD4ED; 396 */
396 } else { 397 if (drc_ddim) {
397 csrow->edac_mode = EDAC_SECDED; 398 if (drc_chan && mem_dev) {
398 mci->edac_cap |= EDAC_FLAG_SECDED; 399 dimm->edac_mode = EDAC_S4ECD4ED;
399 } 400 mci->edac_cap |= EDAC_FLAG_S4ECD4ED;
400 } else 401 } else {
401 csrow->edac_mode = EDAC_NONE; 402 dimm->edac_mode = EDAC_SECDED;
403 mci->edac_cap |= EDAC_FLAG_SECDED;
404 }
405 } else
406 dimm->edac_mode = EDAC_NONE;
407 }
402 } 408 }
403} 409}
404 410