diff options
Diffstat (limited to 'src/soc/intel/xeon_sp/acpi/gen1/pci_irqs.asl')
| -rw-r--r-- | src/soc/intel/xeon_sp/acpi/gen1/pci_irqs.asl | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/acpi/gen1/pci_irqs.asl b/src/soc/intel/xeon_sp/acpi/gen1/pci_irqs.asl new file mode 100644 index 000000000000..eccb46b93dd5 --- /dev/null +++ b/src/soc/intel/xeon_sp/acpi/gen1/pci_irqs.asl @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/acpi_asl.h> + +/* + * Refer to Intel® C620 Series Chipset Platform Controller Hub EDS section 20.11 + * CONFIG_PCR_BASE_ADDRESS 0xfd000000 0x3100 + * (0xfd000000 | ((uint8_t)(0xC4) << 16) | (uint16_t)(0x3100) = 0xFDC43100 + * + * PIRQ routing control is in PCR ITSS region. + */ + +OperationRegion (ITSS, SystemMemory, PCR_ITSS_PIRQA_ROUT + + CONFIG_PCR_BASE_ADDRESS + (PID_ITSS << PCR_PORTID_SHIFT), 8) +Field (ITSS, ByteAcc, NoLock, Preserve) +{ + PIRA, 8, /* PIRQA Routing Control */ + PIRB, 8, /* PIRQB Routing Control */ + PIRC, 8, /* PIRQC Routing Control */ + PIRD, 8, /* PIRQD Routing Control */ + PIRE, 8, /* PIRQE Routing Control */ + PIRF, 8, /* PIRQF Routing Control */ + PIRG, 8, /* PIRQG Routing Control */ + PIRH, 8, /* PIRQH Routing Control */ +} + +Name (IREN, 0x80) /* Interrupt Routing Enable */ +Name (IREM, 0x0f) /* Interrupt Routing Mask */ + +Name (PRSA, ResourceTemplate () +{ + IRQ (Level, ActiveLow, Shared, ) + {3,4,5,6,7,10,11,12,14,15} +}) +Alias (PRSA, PRSB) +Name (PRSC, ResourceTemplate () +{ + IRQ (Level, ActiveLow, Shared, ) + {3,4,5,6,10,11,12,14,15} +}) +Alias (PRSC, PRSD) +Alias (PRSA, PRSE) +Alias (PRSA, PRSF) +Alias (PRSA, PRSG) +Alias (PRSA, PRSH) + +MAKE_LINK_DEV(A,1) +MAKE_LINK_DEV(B,2) +MAKE_LINK_DEV(C,3) +MAKE_LINK_DEV(D,4) +MAKE_LINK_DEV(E,5) +MAKE_LINK_DEV(F,6) +MAKE_LINK_DEV(G,7) +MAKE_LINK_DEV(H,8) |