From c452a9d30feb79787ada829d7d7c99574c77049f Mon Sep 17 00:00:00 2001 From: Marco Elver Date: Mon, 10 Jun 2019 21:14:21 +0200 Subject: [PATCH] EDAC/ie31200: Add Intel Coffee Lake CPU support Coffee Lake seems to work like Skylake and Kaby Lake. Add all device IDs for Coffee Lake-S CPUs according to datasheet. [ bp: Massage. ] Signed-off-by: Marco Elver Signed-off-by: Borislav Petkov Acked-by: Tony Luck Cc: James Morse Cc: Jason Baron Cc: linux-edac Cc: Mauro Carvalho Chehab Link: https://lkml.kernel.org/r/20190610191422.177931-1-elver@google.com --- drivers/edac/ie31200_edac.c | 58 +++++++++++++++++++++++++++++++++++-- 1 file changed, 55 insertions(+), 3 deletions(-) diff --git a/drivers/edac/ie31200_edac.c b/drivers/edac/ie31200_edac.c index adf60eb45bd4..50c31bede69b 100644 --- a/drivers/edac/ie31200_edac.c +++ b/drivers/edac/ie31200_edac.c @@ -20,11 +20,13 @@ * 0c08: Xeon E3-1200 v3 Processor DRAM Controller * 1918: Xeon E3-1200 v5 Skylake Host Bridge/DRAM Registers * 5918: Xeon E3-1200 Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers + * 3e..: 8th/9th Gen Core Processor Host Bridge/DRAM Registers * * Based on Intel specification: * http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/xeon-e3-1200v3-vol-2-datasheet.pdf * http://www.intel.com/content/www/us/en/processors/xeon/xeon-e3-1200-family-vol-2-datasheet.html * http://www.intel.com/content/www/us/en/processors/core/7th-gen-core-family-mobile-h-processor-lines-datasheet-vol-2.html + * https://www.intel.com/content/www/us/en/products/docs/processors/core/8th-gen-core-family-datasheet-vol-2.html * * According to the above datasheet (p.16): * " @@ -61,6 +63,26 @@ #define PCI_DEVICE_ID_INTEL_IE31200_HB_8 0x1918 #define PCI_DEVICE_ID_INTEL_IE31200_HB_9 0x5918 +/* Coffee Lake-S */ +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_MASK 0x3e00 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_1 0x3e0f +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_2 0x3e18 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_3 0x3e1f +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_4 0x3e30 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_5 0x3e31 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_6 0x3e32 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_7 0x3e33 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_8 0x3ec2 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_9 0x3ec6 +#define PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_10 0x3eca + +/* Test if HB is for Skylake or later. */ +#define DEVICE_ID_SKYLAKE_OR_LATER(did) \ + (((did) == PCI_DEVICE_ID_INTEL_IE31200_HB_8) || \ + ((did) == PCI_DEVICE_ID_INTEL_IE31200_HB_9) || \ + (((did) & PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_MASK) == \ + PCI_DEVICE_ID_INTEL_IE31200_HB_CFL_MASK)) + #define IE31200_DIMMS 4 #define IE31200_RANKS 8 #define IE31200_RANKS_PER_CHANNEL 4 @@ -381,10 +403,10 @@ static int ie31200_probe1(struct pci_dev *pdev, int dev_idx) u32 addr_decode, mad_offset; /* - * Kaby Lake seems to work like Skylake. Please re-visit this logic - * when adding new CPU support. + * Kaby Lake, Coffee Lake seem to work like Skylake. Please re-visit + * this logic when adding new CPU support. */ - bool skl = (pdev->device >= PCI_DEVICE_ID_INTEL_IE31200_HB_8); + bool skl = DEVICE_ID_SKYLAKE_OR_LATER(pdev->device); edac_dbg(0, "MC:\n"); @@ -569,6 +591,36 @@ static const struct pci_device_id ie31200_pci_tbl[] = { { PCI_VEND_DEV(INTEL, IE31200_HB_9), PCI_ANY_ID, PCI_ANY_ID, 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_1), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_2), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_3), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_4), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_5), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_6), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_7), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_8), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_9), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, + { + PCI_VEND_DEV(INTEL, IE31200_HB_CFL_10), PCI_ANY_ID, PCI_ANY_ID, + 0, 0, IE31200}, { 0, } /* 0 terminated list. */