static const struct pci_id_descr pci_dev_descr_ibridge[] = {
/* Processor Home Agent */
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0, IMC0) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1, IMC1) },
/* Memory controller */
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0, IMC0) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0, IMC0) },
/* Optional, mode 2HA */
- { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1, IMC1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1, IMC1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1, IMC1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1, IMC1) },
int cur_reg_start;
int mc;
int channel;
- int way;
int participants[KNL_MAX_CHANNELS];
- int participant_count = 0;
for (i = 0; i < KNL_MAX_CHANNELS; i++)
mc_sizes[i] = 0;
* this channel mapped to the given target?
*/
for (channel = 0; channel < KNL_MAX_CHANNELS; channel++) {
- for (way = 0; way < intrlv_ways; way++) {
- int target;
- int cha;
-
- if (KNL_MOD3(dram_rule))
- target = way;
- else
- target = 0x7 & sad_pkg(
- pvt->info.interleave_pkg, interleave_reg, way);
+ int target;
+ int cha;
+ for (target = 0; target < KNL_MAX_CHANNELS; target++) {
for (cha = 0; cha < KNL_MAX_CHAS; cha++) {
if (knl_get_mc_route(target,
mc_route_reg[cha]) == channel
&& !participants[channel]) {
- participant_count++;
participants[channel] = 1;
break;
}
}
}
- if (participant_count != intrlv_ways)
- edac_dbg(0, "participant_count (%d) != interleave_ways (%d): DIMM size may be incorrect\n",
- participant_count, intrlv_ways);
-
for (channel = 0; channel < KNL_MAX_CHANNELS; channel++) {
mc = knl_channel_mc(channel);
if (participants[channel]) {
next_imc:
sbridge_dev = get_sbridge_dev(bus, dev_descr->dom, multi_bus, sbridge_dev);
if (!sbridge_dev) {
+ /* If the HA1 wasn't found, don't create EDAC second memory controller */
+ if (dev_descr->dom == IMC1 && devno != 1) {
+ edac_dbg(0, "Skip IMC1: %04x:%04x (since HA1 was absent)\n",
+ PCI_VENDOR_ID_INTEL, dev_descr->dev_id);
+ pci_dev_put(pdev);
+ return 0;
+ }
if (dev_descr->dom == SOCK)
goto out_imc;