Mpc8240 Configuration Registers Accessible From The Pci Bus - Motorola MPC8240 User Manual

Table 4-3. MPC8240 Configuration Registers Accessible from the PCI Bus
Address
Offset
0x00 Vendor ID = 0x1057
0x02 Device ID = 0x0003
0x04 PCI command register
0x06 PCI status register
0x08 Revision ID
0x09 Standard programming interface
0x0A Subclass code
0x0B Class code
0x0C Cache line size
0x0D Latency timer
0x0E Header type
0x0F BIST control
0x10 Local memory base address register
0x14 Peripheral control and status register
base address register
0x30 Expansion ROM base address
0x3C Interrupt line
0x3D Interrupt pin
0x3E MIN GNT
0x3F MAX LAT
0x46 PCI arbiter control register
Others Reserved
Note: Reset values marked mode-dependent are defined by whether the MPC8240 is operating in host or agent
mode.
Register
Chapter 4. Configuration Registers
Configuration Register Access
Program
Access
Size
Size
(Bytes)
2-bytes 2 Read
2-bytes 2 Read
2-bytes 2 Read/Write
2-bytes 2 Read/Bit-Reset
1-byte 1 Read
1-byte 1 Read
1-byte 1 Read
1-byte 1 Read
1-byte 1 Read/Write
1-byte 1 Read/Write
1-byte 1 Read
1-byte 1 Read
4-bytes 4 Read/Write
4-bytes 4 Read/Write
4 bytes 4 Read
1-byte 1 Read/Write
1-byte 1 Read
1-byte 1 Read
1-byte 1 Read
2-bytes 2 Read/Write
— — —
Access Reset Value
0x1057
0x0003
mode-dependent
0x0004 host
0x0000 agent
0x00A0
0xnn
mode-dependent
0x00 host
0x01 agent
0x00
mode-dependent
0x06 host
0x0E agent
0x00
0x00
0x00
0x00
0x0000_0008
0x0000_0000
0x0000_0000
0x00
0x01
0x00
0x00
0x0000
—
4-9