59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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pci_intel.h
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Created: Jan 2000 by Philip Homburg <philip@cs.vu.nl>
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*/
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#define PCII_CONFADD 0xCF8
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#define PCIIC_CODE 0x80000000
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#define PCIIC_BUSNUM_MASK 0xff0000
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#define PCIIC_BUSNUM_SHIFT 16
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#define PCIIC_DEVNUM_MASK 0xf800
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#define PCIIC_DEVNUM_SHIFT 11
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#define PCIIC_FUNCNUM_MASK 0x700
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#define PCIIC_FUNCNUM_SHIFT 8
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#define PCIIC_REGNUM_MASK 0xfc
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#define PCIIC_REGNUM_SHIFT 2
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#define PCII_CONFDATA 0xCFC
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#define PCII_SELREG_(bus, dev, func, reg) \
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(PCIIC_CODE | \
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(((bus) << PCIIC_BUSNUM_SHIFT) & PCIIC_BUSNUM_MASK) | \
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(((dev) << PCIIC_DEVNUM_SHIFT) & PCIIC_DEVNUM_MASK) | \
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(((func) << PCIIC_FUNCNUM_SHIFT) & PCIIC_FUNCNUM_MASK) | \
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((((reg)/4) << PCIIC_REGNUM_SHIFT) & PCIIC_REGNUM_MASK))
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#define PCII_UNSEL (0)
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#define PCII_RREG8_(bus, dev, func, reg) \
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(pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \
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pci_inb(PCII_CONFDATA+((reg)&3)))
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#define PCII_RREG16_(bus, dev, func, reg) \
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(PCII_RREG8_(bus, dev, func, reg) | \
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(PCII_RREG8_(bus, dev, func, reg+1) << 8))
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#define PCII_RREG32_(bus, dev, func, reg) \
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(PCII_RREG16_(bus, dev, func, reg) | \
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(PCII_RREG16_(bus, dev, func, reg+2) << 16))
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#define PCII_WREG8_(bus, dev, func, reg, val) \
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(pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \
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pci_outb(PCII_CONFDATA+((reg)&3), (val)))
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#define PCII_WREG16_(bus, dev, func, reg, val) \
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(PCII_WREG8_(bus, dev, func, reg, (val)), \
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(PCII_WREG8_(bus, dev, func, reg+1, (val) >> 8)))
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#define PCII_WREG32_(bus, dev, func, reg, val) \
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(PCII_WREG16_(bus, dev, func, reg, (val)), \
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(PCII_WREG16_(bus, dev, func, reg+2, (val) >> 16)))
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/* PIIX configuration registers */
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#define PIIX_PIRQRCA 0x60
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#define PIIX_IRQ_DI 0x80
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#define PIIX_IRQ_MASK 0x0F
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/* PIIX extensions to the PIC */
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#define PIIX_ELCR1 0x4D0
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#define PIIX_ELCR2 0x4D1
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/*
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* $PchId: pci_intel.h,v 1.1 2000/08/12 11:20:17 philip Exp $
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*/
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