G2P Memory Space 2 Address Mask Register (G2Pm2Mask) 0Xd148 - Toshiba TMPR4925 Manual

10.4.36 G2P Memory Space 2 Address Mask Register (G2PM2MASK)
31 29 28
Reserved
15
AM[15:8]
R/W
0x00/0xFF
Bits Mnemonic Field Name
⎯
31:29 Reserved
28:8 AM[31:8] Address Mask
⎯
7:0 Reserved
Figure 10.4.36 G2P Memory Space 2 Address Mask Register
AM[28:16]
R/W
0x0000/0x003f
8 7
G-Bus to PCI-Bus Address Mask (Initial value: 0x0000_00, R/W)
(Initial value: Normal Mode: 0x0000_00; PCI Boot Mode: 0x003F_FF, R/W)
Sets the bits to be subject to address comparison. See 10.3.4 for more information.
When setting a memory space size of 256 MB (0x1000_0000) for example, the value
becomes 0x0FFF_FF00.
10-65
Chapter 10 PCI Controller
0xD148
Reserved
Description
⎯
⎯
16
: Type
: Initial value
0
: Type
: Initial value