From 95bab4077ee564835a8e2f2f8675c567d5283a86 Mon Sep 17 00:00:00 2001 From: Marc Jones Date: Wed, 23 Sep 2020 13:41:54 -0600 Subject: soc/intel/xeon_sp/acpi: Rename pci_irq.asl Rename pci_irq.asl to pci_irqs.asl to match other intel soc file names. This makes comparing differences much easier. Change-Id: I622dfef675c3df2dff7a3024ccbe14c356a5cd86 Signed-off-by: Marc Jones Reviewed-on: https://review.coreboot.org/c/coreboot/+/45834 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- src/soc/intel/xeon_sp/acpi/pci_irqs.asl | 95 +++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 src/soc/intel/xeon_sp/acpi/pci_irqs.asl (limited to 'src/soc/intel/xeon_sp/acpi/pci_irqs.asl') diff --git a/src/soc/intel/xeon_sp/acpi/pci_irqs.asl b/src/soc/intel/xeon_sp/acpi/pci_irqs.asl new file mode 100644 index 0000000000..b2a2ebf850 --- /dev/null +++ b/src/soc/intel/xeon_sp/acpi/pci_irqs.asl @@ -0,0 +1,95 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * 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) + +#define MAKE_LINK_DEV(id,uid) \ + Device (LNK##id) \ + { \ + Name (_HID, EISAID ("PNP0C0F")) \ + Name (_UID, ##uid) \ + Method (_PRS, 0, NotSerialized) \ + { \ + Return (PRS##id) \ + } \ + Method (_CRS, 0, Serialized) \ + { \ + Name (RTLA, ResourceTemplate () \ + { \ + IRQ (Level, ActiveLow, Shared) {} \ + }) \ + CreateWordField (RTLA, 1, IRQ0) \ + Store (Zero, IRQ0) \ + \ + /* Set the bit from PIRQ Routing Register */ \ + ShiftLeft (1, And (^^PIR##id, ^^IREM), IRQ0) \ + Return (RTLA) \ + } \ + Method (_SRS, 1, Serialized) \ + { \ + CreateWordField (Arg0, 1, IRQ0) \ + FindSetRightBit (IRQ0, Local0) \ + Decrement (Local0) \ + Store (Local0, ^^PIR##id) \ + } \ + Method (_STA, 0, Serialized) \ + { \ + If (And (^^PIR##id, ^^IREN)) { \ + Return (0x9) \ + } Else { \ + Return (0xb) \ + } \ + } \ + Method (_DIS, 0, Serialized) \ + { \ + Or (^^PIR##id, ^^IREN, ^^PIR##id) \ + } \ + } + +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) -- cgit v1.2.3