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authorTony Luck <tony.luck@intel.com>2015-05-20 19:10:35 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-06-03 10:10:59 -0300
commitfa2ce64f85be48003e8c88efcb8c3d7e4d0939ff (patch)
tree280d3a25f67fe0b8091df4f5fb030bcbed94313e /drivers/edac
parent7d375bffa52477c1be7db5a5dda99996582512c3 (diff)
downloadop-kernel-dev-fa2ce64f85be48003e8c88efcb8c3d7e4d0939ff.zip
op-kernel-dev-fa2ce64f85be48003e8c88efcb8c3d7e4d0939ff.tar.gz
sb_edac: support for Broadwell -EP and -EX
Basic support for the single socket Broadwell-DE processor was added back in commit 1f39581a9a7a sb_edac: Add support for Broadwell-DE processor This patch extends Broadwell support to cover the two socket "-EP" and four socket "-EX" versions of Broadwell. Only tested on the 2 socket - but this code is largely cloned from the Haswell path. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/sb_edac.c73
1 files changed, 58 insertions, 15 deletions
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index be961d4..ca78311 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -508,17 +508,35 @@ static const struct pci_id_table pci_dev_descr_haswell_table[] = {
* DE processor:
* - 1 IMC
* - 2 DDR3 channels, 2 DPC per channel
+ * EP processor:
+ * - 1 or 2 IMC
+ * - 4 DDR4 channels, 3 DPC per channel
+ * EP 4S processor:
+ * - 2 IMC
+ * - 4 DDR4 channels, 3 DPC per channel
+ * EX processor:
+ * - 2 IMC
+ * - each IMC interfaces with a SMI 2 channel
+ * - each SMI channel interfaces with a scalable memory buffer
+ * - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
*/
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_VTD_MISC 0x6f28
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0 0x6fa0
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1 0x6f60
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TA 0x6fa8
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_THERMAL 0x6f71
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TA 0x6f68
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_THERMAL 0x6f79
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_CBO_SAD0 0x6ffc
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_CBO_SAD1 0x6ffd
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD0 0x6faa
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD1 0x6fab
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD2 0x6fac
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD3 0x6fad
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD0 0x6f6a
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD1 0x6f6b
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD2 0x6f6c
+#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD3 0x6f6d
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_DDRIO0 0x6faf
static const struct pci_id_descr pci_dev_descr_broadwell[] = {
@@ -528,13 +546,23 @@ static const struct pci_id_descr pci_dev_descr_broadwell[] = {
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_CBO_SAD0, 0) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_CBO_SAD1, 0) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1, 1) },
+
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TA, 0) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_THERMAL, 0) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD0, 0) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD1, 0) },
- { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD2, 0) },
- { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD3, 0) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD2, 1) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD3, 1) },
+
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_DDRIO0, 1) },
+
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TA, 1) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_THERMAL, 1) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD0, 1) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD1, 1) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD2, 1) },
+ { PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD3, 1) },
};
static const struct pci_id_table pci_dev_descr_broadwell_table[] = {
@@ -563,7 +591,7 @@ static inline int numrank(enum type type, u32 mtr)
int ranks = (1 << RANK_CNT_BITS(mtr));
int max = 4;
- if (type == HASWELL)
+ if (type == HASWELL || type == BROADWELL)
max = 8;
if (ranks > max) {
@@ -1880,6 +1908,7 @@ static int broadwell_mci_bind_devs(struct mem_ctl_info *mci,
{
struct sbridge_pvt *pvt = mci->pvt_info;
struct pci_dev *pdev;
+ u8 saw_chan_mask = 0;
int i;
/* there's only one device per system; not tied to any bus */
@@ -1911,20 +1940,34 @@ static int broadwell_mci_bind_devs(struct mem_ctl_info *mci,
pvt->pci_ras = pdev;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD0:
- pvt->pci_tad[0] = pdev;
- break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD1:
- pvt->pci_tad[1] = pdev;
- break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD2:
- pvt->pci_tad[2] = pdev;
- break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD3:
- pvt->pci_tad[3] = pdev;
+ {
+ int id = pdev->device - PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TAD0;
+ pvt->pci_tad[id] = pdev;
+ saw_chan_mask |= 1 << id;
+ }
+ break;
+ case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD0:
+ case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD1:
+ case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD2:
+ case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD3:
+ {
+ int id = pdev->device - PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TAD0 + 4;
+ pvt->pci_tad[id] = pdev;
+ saw_chan_mask |= 1 << id;
+ }
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_DDRIO0:
pvt->pci_ddrio = pdev;
break;
+ case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1:
+ pvt->pci_ha1 = pdev;
+ break;
+ case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA1_TA:
+ pvt->pci_ha1_ta = pdev;
+ break;
default:
break;
}
@@ -1940,10 +1983,10 @@ static int broadwell_mci_bind_devs(struct mem_ctl_info *mci,
!pvt->pci_ras || !pvt->pci_ta || !pvt->info.pci_vtd)
goto enodev;
- for (i = 0; i < NUM_CHANNELS; i++) {
- if (!pvt->pci_tad[i])
- goto enodev;
- }
+ if (saw_chan_mask != 0x0f && /* -EN */
+ saw_chan_mask != 0x33 && /* -EP */
+ saw_chan_mask != 0xff) /* -EX */
+ goto enodev;
return 0;
enodev:
@@ -1982,7 +2025,7 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
int rc, dimm;
char *area_type = NULL;
- if (pvt->info.type == IVY_BRIDGE)
+ if (pvt->info.type != SANDY_BRIDGE)
recoverable = true;
else
recoverable = GET_BITFIELD(m->status, 56, 56);
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