minix/drivers/pci/pci_intel.h
Dirk Vogt 4523163411 Some PCI config space registers have to be accessed in with there actual
width. Without this patch DDELinux is not able to read the PCI BARs
correctly.
2010-08-03 10:03:40 +00:00

58 lines
1.9 KiB
C

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