Intel® Core™ Ultra Processors for H-series and U-series Platforms SOC I/O Registers
I2C PCI Configuration (D21:F0/1/2/3; D25:F0/1) Registers
The registers in this section apply to the following I2C controllers:
I2C Controller 0 at Device21:Function0
I2C Controller 1 at Device21:Function1
I2C Controller 2 at Device21:Function2
I2C Controller 3 at Device21:Function3
I2C Controller 4 at Device25:Function0
I2C Controller 5 at Device25:Function1
Offset | Size (Bytes) | Register Name (Register Symbol) | Scope | Default Value |
---|---|---|---|---|
0h | 4 | Package | XXXX8086h | |
4h | 4 | Package | 00100000h | |
8h | 4 | Package | 0C8000XXh | |
ch | 4 | Package | 00800000h | |
10h | 4 | Package | 00000000h | |
14h | 4 | Package | 00000000h | |
18h | 4 | Package | 00000004h | |
1ch | 4 | Package | 00000000h | |
2ch | 4 | Package | 00000000h | |
30h | 4 | Package | 00000000h | |
34h | 4 | Package | 00000080h | |
3ch | 4 | Package | 00000000h | |
80h | 4 | Package | 00039001h | |
84h | 4 | Power Management Control And Status Register (PMECTRLSTATUS) | Package | 00000008h |
90h | 4 | Pci Device Idle Vendor Capability Register (PCIDEVIDLE_CAP_RECORD) | Package | F0140009h |
94h | 4 | Vendor Specific Extended Capability Register (DEVID_VEND_SPECIFIC_REG) | Package | 01400010h |
98h | 4 | Software Ltr Update Mmio Location Register (D0I3_CONTROL_SW_LTR_MMIO_REG) | Package | 00002101h |
9ch | 4 | Package | 000024C1h | |
a0h | 4 | D0i3 And Power Control Enable Register (D0I3_MAX_POW_LAT_PG_CONFIG) | Package | 000F0800h |
b0h | 4 | Package | 00000000h | |
b4h | 4 | Package | 00000000h | |
b8h | 4 | Package | 00000000h | |
bch | 4 | Package | 00000000h | |
c0h | 4 | Package | 00000000h |