User`s manual

CSAW - PCI Configuration Space WRITE Access
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CSAW - PCI Configuration Space WRITE Access
Command Input
CSAW busnum devnum function addr data [;B|H|W]
Options
Description
The CSAW command writes data to the location of the device in
PCI configuration space at the PCI bus number specified by:
Example: To write the hexadecimal number a into the byte register at offset
3C of the PCI device on PCI bus 0, which has a device ID of 12 (decimal),
and function 0 of that device, do:
PPC1-Bug>csaw 0 c 0 3C a;b<Return>
PPC1-Bug>
B Byte
H Half-word
W Word (default)
busnum = the PCI bus number to be read
devnum = the device number to be read
function = the device function number to be read
addr = the offset into the device conÞguration registers.
addr must be between 0 and 255 decimal.
data = the data that should be written
size (optional) = the size of the location to be read