root / lab4 / .minix-src / include / i386 / pci_intel.h @ 13
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1 | 13 | up20180614 | /*
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2 | pci_intel.h
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3 | |||
4 | Created: Jan 2000 by Philip Homburg <philip@cs.vu.nl>
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5 | */
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6 | |||
7 | #define PCII_CONFADD 0xCF8 |
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8 | #define PCIIC_CODE 0x80000000 |
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9 | #define PCIIC_BUSNUM_MASK 0xff0000 |
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10 | #define PCIIC_BUSNUM_SHIFT 16 |
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11 | #define PCIIC_DEVNUM_MASK 0xf800 |
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12 | #define PCIIC_DEVNUM_SHIFT 11 |
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13 | #define PCIIC_FUNCNUM_MASK 0x700 |
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14 | #define PCIIC_FUNCNUM_SHIFT 8 |
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15 | #define PCIIC_REGNUM_MASK 0xfc |
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16 | #define PCIIC_REGNUM_SHIFT 2 |
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17 | #define PCII_CONFDATA 0xCFC |
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18 | |||
19 | #define PCII_SELREG_(bus, dev, func, reg) \
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20 | (PCIIC_CODE | \ |
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21 | (((bus) << PCIIC_BUSNUM_SHIFT) & PCIIC_BUSNUM_MASK) | \ |
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22 | (((dev) << PCIIC_DEVNUM_SHIFT) & PCIIC_DEVNUM_MASK) | \ |
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23 | (((func) << PCIIC_FUNCNUM_SHIFT) & PCIIC_FUNCNUM_MASK) | \ |
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24 | ((((reg)/4) << PCIIC_REGNUM_SHIFT) & PCIIC_REGNUM_MASK))
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25 | #define PCII_UNSEL (0) |
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26 | |||
27 | #define PCII_RREG8_(bus, dev, func, reg) \
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28 | (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \ |
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29 | pci_inb(PCII_CONFDATA+((reg)&3)))
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30 | #define PCII_RREG16_(bus, dev, func, reg) \
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31 | (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \ |
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32 | pci_inw(PCII_CONFDATA+((reg)&2)))
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33 | #define PCII_RREG32_(bus, dev, func, reg) \
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34 | (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \ |
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35 | pci_inl(PCII_CONFDATA)) |
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36 | |||
37 | #define PCII_WREG8_(bus, dev, func, reg, val) \
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38 | (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \ |
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39 | pci_outb(PCII_CONFDATA+((reg)&3), (val)))
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40 | #define PCII_WREG16_(bus, dev, func, reg, val) \
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41 | (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \ |
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42 | pci_outw(PCII_CONFDATA+((reg)&2), (val)))
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43 | #define PCII_WREG32_(bus, dev, func, reg, val) \
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44 | (pci_outl(PCII_CONFADD, PCII_SELREG_(bus, dev, func, reg)), \ |
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45 | pci_outl(PCII_CONFDATA, (val))) |
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46 | |||
47 | /* PIIX configuration registers */
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48 | #define PIIX_PIRQRCA 0x60 |
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49 | #define PIIX_IRQ_DI 0x80 |
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50 | #define PIIX_IRQ_MASK 0x0F |
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51 | |||
52 | /* PIIX extensions to the PIC */
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53 | #define PIIX_ELCR1 0x4D0 |
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54 | #define PIIX_ELCR2 0x4D1 |
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55 | |||
56 | /*
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57 | * $PchId: pci_intel.h,v 1.1 2000/08/12 11:20:17 philip Exp $
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58 | */ |