The "pci0 dev 1 function 2" aka "System Management" on the nForce chipset
isn't detected on the Xbox. If XBOX is defined and arch_i386_is_xbox is
true, force intrline to 12 and map the system management IO space at
0x8000. We can now call iic_smbus_intr when a system management interrupt
takes place.
While we're here, make amdpm_smbus honour the I2C_F_POLL flag.
The Xbox no longer resets when you press the eject button.
and ADT 7463c thermal and voltage monitor found on the Tyan S2881 and S2882-D
(and probably other boards as well). We do not currently support any kind
of detection of the i2c address of the thermal monitor; it appears to be
at 0x2D on the S2881 and 0x2E on the S2882-D (kernel config examples
forthcoming).
From PR kern/32463 submitted by Anil Gopinath, anil_public@yahoo.com.