Specifications

 2012 Advanced Micro Devices, Inc.
HD Audio (bus-0, dev-20, fun-02)
AMD SP5100 Register Programming Requirements
Page 65
10 HD Audio (bus-0, dev-20, fun-02)
10.1 Enabling/Disabling HD Audio
ASIC Rev Register Settings Function/Comment
All Revs SP5100 PM_IO 0x59[3] = 1 (default) 0 = Disables the HD Audio controller
1 = Enables the HD Audio controller
SATA
USB
SMBUS
PATA
AC97
HD AUDIO
LPC
PCI
For register details refer to
the sections check-marked
in the SP5100 Register
Reference Guide
RTC
ACPI
PM REG
A-LINK
I/O REG
XIOAPIC
x
10.2 HD Audio Interrupt Routing Table
ASIC Rev Register Settings Function/Comment
All Revs SP5100 Smbus_PCI_config 0x63[2:0] = 110 (default) Interrupt routing table for HD Audio:
000 = INTA#
001 = INTB#
010 = INTC#
011 = INTD#
100 = INTE#
101 = INTF#
110 = INTG#
111 = INTH#
SATA
USB
SMBUS
PATA
AC97
HD AUDIO
LPC
PCI
For register details refer to
the sections check-marked
in the SP5100 Register
Reference Guide
X
RTC
ACPI
PM REG
A-LINK
I/O REG
XIOAPIC
10.3 Audio Port Configuration
This register controls the selection of ACZ_SDIN0/GPIO42, ACZ_SDIN1/GPIO43,
ACZ_SDIN2/GPIO44, and AZ_SDIN3/GPIO46 pins to function as GPIO, AC97, or HD Audio
signals.
ASIC Rev Register Settings Function/Comment
All Revs SP5100 Smbus_PCI_Config_Extend_Reg 0x00[1:0]
= 01 (default)
Port 0 configuration for HD Audio/AC97/GPIO:
00 or 11 = GPIO
01 = no function
10 = HD Audio
Note: Port 0 refers to the ACZ_SDIN0/GPIO42 pin.
All Revs SP5100
SMbus_PCI_config_Extend_Reg 0x00[3:2] =
01 (default)
Port 1 configuration for HD Audio/AC97/GPIO:
00 or 11 = GPIO
01 = no function
10 = HD Audio
Note: Port 1 refers to the ACZ_SDIN1/GPIO43 pin.