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authorBrandon Weeks <me@brandonweeks.com>2023-12-26 15:55:03 -0800
committerFelix Held <felix-coreboot@felixheld.de>2024-03-13 13:59:31 +0000
commit7ee7b137a7638f5e9d85bd88e52e6391da0ebcbb (patch)
tree9a517174ad447372a1fbd9d85f5cae9bbae0ee49 /util/inteltool/pcie.c
parent30bd24fd267af34b9e12408cd6a2cda27c893ebd (diff)
util/inteltool: Add support for Alder Lake-N
Reference: Intel Processor and Intel Core i3 N-Series Datasheet, Volume 1 of 2 (#759603) Change-Id: Ib3225088fa08fb7e5a60c87d0f1f6b3001f5b562 Signed-off-by: Brandon Weeks <me@brandonweeks.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79732 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Diffstat (limited to 'util/inteltool/pcie.c')
-rw-r--r--util/inteltool/pcie.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/util/inteltool/pcie.c b/util/inteltool/pcie.c
index fb29d3201e..7303811b67 100644
--- a/util/inteltool/pcie.c
+++ b/util/inteltool/pcie.c
@@ -202,6 +202,30 @@ static const io_register_t skylake_dmi_registers[] = {
{ 0x1D4, 4, "DMICEMSK" }, // DMI Correctable Error Mask
};
+static const io_register_t alderlake_dmi_registers[] = {
+ { 0x00, 4, "DMIVCECH" }, // DMI Virtual Channel Enhanced Capability
+ { 0x04, 4, "DMIPVCCAP1" }, // DMI Port VC Capability Register 1
+ { 0x08, 4, "DMIPVCCAP2" }, // DMI Port VC Capability Register 2
+ { 0x0C, 2, "DMIPVCCTL" }, // DMI Port VC Control
+ { 0x10, 4, "DMIVC0RCAP" }, // DMI VC0 Resource Capability
+ { 0x1C, 4, "DMIVC1RCAP" }, // DMI VC1 Resource Capability
+ { 0x26, 2, "DMIVC1RSTS" }, // DMI VC1 Resource Status
+ { 0x34, 4, "DMIVCMRCAP" }, // DMI VCm Resource Capability
+ { 0x38, 4, "DMIVCMRCTL" }, // DMI VCm Resource Control
+ { 0x3E, 2, "DMIVCMRSTS" }, // DMI VCm Resource Status
+ { 0x40, 4, "DMIRCLDECH" }, // DMI Root Complex Link Declaration */
+ { 0x44, 4, "DMIESD" }, // DMI Element Self Description
+ { 0x50, 4, "DMILE1D" }, // DMI Link Entry 1 Description
+ { 0x5C, 4, "DMILUE1A" }, // DMI Link Upper Entry 1 Address
+ { 0x60, 4, "DMILE2D" }, // DMI Link Entry 2 Description
+ { 0x68, 4, "DMILE2A" }, // DMI Link Entry 2 Address
+ { 0x88, 2, "LCTL" }, // Link Control
+ { 0x1C4, 4, "DMIUESTS" }, // DMI Uncorrectable Error Status
+ { 0x1C8, 4, "DMIUEMSK" }, // DMI Uncorrectable Error Mask
+ { 0x1CC, 4, "DMIUESEV" }, // DMI Uncorrectable Error Mask
+ { 0x1D0, 4, "DMICESTS" }, // DMI Correctable Error Status
+ { 0x1D4, 4, "DMICEMSK" }, // DMI Correctable Error Mask
+};
/*
* Egress Port Root Complex MMIO configuration space
@@ -265,6 +289,9 @@ int print_epbar(struct pci_dev *nb)
case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_E3:
case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_1:
case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_2:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_8:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_4:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_4_1:
epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
epbar_phys |= ((uint64_t)pci_read_long(nb, 0x44)) << 32;
break;
@@ -404,6 +431,14 @@ int print_dmibar(struct pci_dev *nb)
dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
dmibar_phys &= 0x0000007ffffff000UL; /* 38:12 */
break;
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_8:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_4:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_4_1:
+ dmibar_phys = pci_read_long(nb, 0x68) & 0xfffffffe;
+ dmibar_phys |= ((uint64_t)pci_read_long(nb, 0x6c)) << 32;
+ dmi_registers = alderlake_dmi_registers;
+ size = ARRAY_SIZE(alderlake_dmi_registers);
+ break;
default:
printf("Error: Dumping DMIBAR on this northbridge is not (yet) supported.\n");
return 1;
@@ -515,6 +550,9 @@ int print_pciexbar(struct pci_dev *nb)
case PCI_DEVICE_ID_INTEL_CORE_7TH_GEN_E3:
case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_1:
case PCI_DEVICE_ID_INTEL_CORE_8TH_GEN_U_2:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_8:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_4:
+ case PCI_DEVICE_ID_INTEL_CORE_ADL_ID_N_0_4_1:
pciexbar_reg = pci_read_long(nb, 0x60);
pciexbar_reg |= ((uint64_t)pci_read_long(nb, 0x64)) << 32;
break;