diff options
Diffstat (limited to 'sys/pci/pcireg.h')
| -rw-r--r-- | sys/pci/pcireg.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/sys/pci/pcireg.h b/sys/pci/pcireg.h index 1f687f1..a1fbcdf 100644 --- a/sys/pci/pcireg.h +++ b/sys/pci/pcireg.h @@ -1,6 +1,6 @@ /************************************************************************** ** -** $Id: pcireg.h,v 1.3 1995/02/02 13:12:18 davidg Exp $ +** $Id: pcireg.h,v 1.4 1995/02/02 22:01:40 se Exp $ ** ** Names for PCI configuration space registers. ** @@ -33,8 +33,7 @@ */ #ifndef __PCI_REG_H__ -#define __PCI_REG_H__ - +#define __PCI_REG_H__ "pl2 95/03/21" /* ** Device identification register; contains a vendor ID and a device ID. @@ -146,6 +145,32 @@ #define PCI_MAP_MEMORY_ADDRESS_MASK 0xfffffff0 #define PCI_MAP_IO_ADDRESS_MASK 0xfffffffc +/* +** PCI-PCI bridge mapping registers +*/ +#define PCI_PCI_BRIDGE_BUS_REG 0x18 +#define PCI_PCI_BRIDGE_IO_REG 0x1c +#define PCI_PCI_BRIDGE_MEM_REG 0x20 +#define PCI_PCI_BRIDGE_PMEM_REG 0x24 + + +#define PCI_SUBORDINATE_BUS_MASK 0x00ff0000 +#define PCI_SECONDARY_BUS_MASK 0x0000ff00 +#define PCI_PRIMARY_BUS_MASK 0x000000ff + +#define PCI_SUBORDINATE_BUS_EXTRACT(x) (((x) > 16) & 0xff) +#define PCI_SECONDARY_BUS_EXTRACT(x) (((x) > 8) & 0xff) +#define PCI_PRIMARY_BUS_EXTRACT(x) (((x) ) & 0xff) + +#define PCI_PRIMARY_BUS_INSERT(x, y) (((x) & ~PCI_PRIMARY_BUS_MASK) | ((y) << 0)) +#define PCI_SECONDARY_BUS_INSERT(x, y) (((x) & ~PCI_SECONDARY_BUS_MASK) | ((y) << 8)) +#define PCI_SUBORDINATE_BUS_INSERT(x, y) (((x) & ~PCI_SUBORDINATE_BUS_MASK) | ((y) << 16)) + +#define PCI_PPB_IOBASE_EXTRACT(x) (((x) << 8) & 0xFF00) +#define PCI_PPB_IOLIMIT_EXTRACT(x) (((x) << 0) & 0xFF00) + +#define PCI_PPB_MEMBASE_EXTRACT(x) (((x) << 16) & 0xFFFF0000) +#define PCI_PPB_MEMLIMIT_EXTRACT(x) (((x) << 0) & 0xFFFF0000) /* ** Interrupt configuration register |
