diff options
Diffstat (limited to 'dev/pcireg.h')
| -rw-r--r-- | dev/pcireg.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/dev/pcireg.h b/dev/pcireg.h index 96924a6a9..8e8b7b451 100644 --- a/dev/pcireg.h +++ b/dev/pcireg.h @@ -114,6 +114,11 @@ union PCIConfig { #define PCI_HEADER_TYPE 0x0E // Header Type ro #define PCI_BIST 0x0F // Built in self test rw +// some pci command reg bitfields +#define PCI_CMD_BME 0x04 // Bus master function enable +#define PCI_CMD_MSE 0x02 // Memory Space Access enable +#define PCI_CMD_IOSE 0x01 // I/O space enable + // Type 0 PCI offsets #define PCI0_BASE_ADDR0 0x10 // Base Address 0 rw #define PCI0_BASE_ADDR1 0x14 // Base Address 1 rw |