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sb_edac: Add support for Broadwell-DE processor 

Broadwell-DE is the microserver version of next generation Xeon
processors.  A whole bunch of new PCIe device ids, but otherwise
pretty much the same as Haswell.

Acked-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Tony Luck 2014-12-02 09:27:30 -08:00 committed by Mauro Carvalho Chehab
parent f7cf2a22a2
commit 1f39581a9a
1 changed files with 157 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

163
drivers/edac/sb_edac.c
View File

@ -262,6 +262,7 @@ enum type {
SANDY_BRIDGE,
IVY_BRIDGE,
HASWELL,
BROADWELL,
};
struct sbridge_pvt;
@ -446,7 +447,7 @@ static const struct pci_id_table pci_dev_descr_ibridge_table[] = {
* - each SMI channel interfaces with a scalable memory buffer
* - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
*/
#define HASWELL_DDRCRCLKCONTROLS 0xa10
#define HASWELL_DDRCRCLKCONTROLS 0xa10 /* Ditto on Broadwell */
#define HASWELL_HASYSDEFEATURE2 0x84
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_VTD_MISC 0x2f28
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0 0x2fa0
@ -497,6 +498,46 @@ static const struct pci_id_table pci_dev_descr_haswell_table[] = {
{0,} /* 0 terminated list. */
};
/*
* Broadwell support
*
* DE processor:
* - 1 IMC
* - 2 DDR3 channels, 2 DPC per channel
*/
#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_HA0_TA 0x6fa8
#define PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_THERMAL 0x6f71
#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_DDRIO0 0x6faf
static const struct pci_id_descr pci_dev_descr_broadwell[] = {
/* first item must be the HA */
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0, 0) },
{ 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_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_DDRIO0, 1) },
};
static const struct pci_id_table pci_dev_descr_broadwell_table[] = {
PCI_ID_TABLE_ENTRY(pci_dev_descr_broadwell),
{0,} /* 0 terminated list. */
};
/*
* pci_device_id table for which devices we are looking for
*/
@ -504,6 +545,7 @@ static const struct pci_device_id sbridge_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0)},
{0,} /* 0 terminated list. */
};
@ -768,12 +810,22 @@ static int check_if_ecc_is_active(const u8 bus, enum type type)
struct pci_dev *pdev = NULL;
u32 mcmtr, id;
if (type == IVY_BRIDGE)
switch (type) {
case IVY_BRIDGE:
id = PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA;
else if (type == HASWELL)
break;
case HASWELL:
id = PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA;
else
break;
case SANDY_BRIDGE:
id = PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA;
break;
case BROADWELL:
id = PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TA;
break;
default:
return -ENODEV;
}
pdev = get_pdev_same_bus(bus, id);
if (!pdev) {
@ -801,7 +853,7 @@ static int get_dimm_config(struct mem_ctl_info *mci)
enum edac_type mode;
enum mem_type mtype;
if (pvt->info.type == HASWELL)
if (pvt->info.type == HASWELL || pvt->info.type == BROADWELL)
pci_read_config_dword(pvt->pci_sad1, SAD_TARGET, &reg);
else
pci_read_config_dword(pvt->pci_br0, SAD_TARGET, &reg);
@ -1182,7 +1234,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
*socket = sad_interleave[idx];
edac_dbg(0, "SAD interleave index: %d (wayness %d) = CPU socket %d\n",
idx, sad_way, *socket);
} else if (pvt->info.type == HASWELL) {
} else if (pvt->info.type == HASWELL || pvt->info.type == BROADWELL) {
int bits, a7mode = A7MODE(dram_rule);
if (a7mode) {
@ -1831,6 +1883,82 @@ enodev:
return -ENODEV;
}
static int broadwell_mci_bind_devs(struct mem_ctl_info *mci,
struct sbridge_dev *sbridge_dev)
{
struct sbridge_pvt *pvt = mci->pvt_info;
struct pci_dev *pdev;
int i;
/* there's only one device per system; not tied to any bus */
if (pvt->info.pci_vtd == NULL)
/* result will be checked later */
pvt->info.pci_vtd = pci_get_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_BROADWELL_IMC_VTD_MISC,
NULL);
for (i = 0; i < sbridge_dev->n_devs; i++) {
pdev = sbridge_dev->pdev[i];
if (!pdev)
continue;
switch (pdev->device) {
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_CBO_SAD0:
pvt->pci_sad0 = pdev;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_CBO_SAD1:
pvt->pci_sad1 = pdev;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0:
pvt->pci_ha0 = pdev;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_TA:
pvt->pci_ta = pdev;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0_THERMAL:
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;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_DDRIO0:
pvt->pci_ddrio = pdev;
break;
default:
break;
}
edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n",
sbridge_dev->bus,
PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
pdev);
}
/* Check if everything were registered */
if (!pvt->pci_sad0 || !pvt->pci_ha0 || !pvt->pci_sad1 ||
!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;
}
return 0;
enodev:
sbridge_printk(KERN_ERR, "Some needed devices are missing\n");
return -ENODEV;
}
/****************************************************************************
Error check routines
****************************************************************************/
@ -2243,6 +2371,25 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
if (unlikely(rc < 0))
goto fail0;
break;
case BROADWELL:
/* rankcfgr isn't used */
pvt->info.get_tolm = haswell_get_tolm;
pvt->info.get_tohm = haswell_get_tohm;
pvt->info.dram_rule = ibridge_dram_rule;
pvt->info.get_memory_type = haswell_get_memory_type;
pvt->info.get_node_id = haswell_get_node_id;
pvt->info.rir_limit = haswell_rir_limit;
pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule);
pvt->info.interleave_list = ibridge_interleave_list;
pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list);
pvt->info.interleave_pkg = ibridge_interleave_pkg;
mci->ctl_name = kasprintf(GFP_KERNEL, "Broadwell Socket#%d", mci->mc_idx);
/* Store pci devices at mci for faster access */
rc = broadwell_mci_bind_devs(mci, sbridge_dev);
if (unlikely(rc < 0))
goto fail0;
break;
}
/* Get dimm basic config and the memory layout */
@ -2308,6 +2455,10 @@ static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id)
rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_haswell_table);
type = HASWELL;
break;
case PCI_DEVICE_ID_INTEL_BROADWELL_IMC_HA0:
rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_broadwell_table);
type = BROADWELL;
break;
}
if (unlikely(rc < 0))
goto fail0;