coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
irqroute.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <soc/irq.h>
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#include <soc/pci_devs.h>
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#include <soc/pm.h>
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/*
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* IR02h GFX INT(A) - PIRQ A
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* IR0Bh PUNIT INT(A) - PIRQ F
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* IR10h EMMC INT(ABCD) - PIRQ DEFG
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* IR11h SDIO INT(A) - PIRQ B
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* IR12h SD INT(A) - PIRQ C
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* IR13h SATA INT(A) - PIRQ D
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* IR14h XHCI INT(A) - PIRQ E
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* IR15h LP Audio INT(A) - PIRQ F
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* IR17h MMC INT(A) - PIRQ F
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* IR18h SIO INT(ABCD) - PIRQ BADC
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* IR1Ah TXE INT(A) - PIRQ F
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* IR1Bh HD Audio INT(A) - PIRQ G
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* IR1Ch PCIe INT(ABCD) - PIRQ EFGH
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* IR1Dh EHCI INT(A) - PIRQ D
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* IR1Eh SIO INT(ABCD) - PIRQ BDEF
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* IR1Fh LPC INT(ABCD) - PIRQ HGBC
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*/
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#define PCI_DEV_PIRQ_ROUTES \
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PCI_DEV_PIRQ_ROUTE(GFX_DEV, A, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(PUNIT_DEV, F, F, F, F), \
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PCI_DEV_PIRQ_ROUTE(MMC_DEV, D, E, F, G), \
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PCI_DEV_PIRQ_ROUTE(SD_DEV, C, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(SATA_DEV, D, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(XHCI_DEV, E, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(LPE_DEV, F, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(SIO1_DEV, B, A, D, C), \
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PCI_DEV_PIRQ_ROUTE(TXE_DEV, F, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(HDA_DEV, G, A, A, A), \
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PCI_DEV_PIRQ_ROUTE(PCIE_DEV, E, F, G, H), \
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PCI_DEV_PIRQ_ROUTE(SIO2_DEV, B, D, E, F), \
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PCI_DEV_PIRQ_ROUTE(PCU_DEV, H, G, B, C)
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/*
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* Route each PIRQ[A-H] to a PIC IRQ[0-15]
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* Reserved: 0, 1, 2, 8, 13
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* PS2 keyboard: 12
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* ACPI/SCI: 9
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* Floppy: 6
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*/
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#define PIRQ_PIC_ROUTES \
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PIRQ_PIC(A, 11), \
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PIRQ_PIC(B, 5), \
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PIRQ_PIC(C, 5), \
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PIRQ_PIC(D, 11), \
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PIRQ_PIC(E, 11), \
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PIRQ_PIC(F, 5), \
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PIRQ_PIC(G, 11), \
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PIRQ_PIC(H, 11)
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irqroute.h
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