Intel® 400 Series Chipset On-Package Platform Controller Hub
Online Register Database
Software Reset (softwarereset) – Offset 2f
This register is used to program the software reset for data, command and for all.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
6:3 | - | - | Reserved
|
2 | 0h | RW | Software Reset for DAT Line (swreset_for_dat) Only part of data circuit is reset. The followingregisters and bits are cleared by this bit: |
1 | 0h | RW | Software Reset for CMD Line (swreset_for_cmd) Only part of command circuit is reset. The following registers and bits arecleared by this bit: |
0 | 0h | RW | Software Reset for All (swreset_for_all) This reset affects the entire HC except for the carddetection circuit. Register bits of type ROC, RW, RW1C,RWAC are cleared to 0. During its initialization, the HD shall set this bit to 1 to reset the HC. The HC shall reset this bit to 0 when capabilities registers are valid and the HD can read them. Additional use of Software Reset ForAll may not affect the value of the Capabilities registers. |