1 chip northbridge
/amd
/lx
5 chip southbridge
/amd
/cs5536
6 # IRQ
12 and 1 unmasked
, Keyboard
and Mouse IRQs. OK
7 # SIRQ Mode
= Active
(Quiet
) mode. Save power....
8 # Invert mask
= IRQ
12 and 1 are active high. Keyboard
and Mouse IRQs. OK
9 # How
to get these? Boot
linux and do this
:
11 register
"lpc_serirq_enable" = "0x00001002"
12 # rdmsr
0x5140004e -- polairy is high
16 bits of low
32 bits
13 register
"lpc_serirq_polarity" = "0x0000EFFD"
14 # mode is high
10 bits
(determined from code
)
15 register
"lpc_serirq_mode" = "1"
16 # Don
't yet know how to find this.
17 register
"enable_gpio_int_route" = "0x0D0C0700"
18 register
"enable_ide_nand_flash" = "0" #
0:ide mode
, 1:flash
19 register
"enable_USBP4_device" = "0" #
0: host
, 1:device
20 register
"enable_USBP4_overcurrent" = "0" #
0:off
, xxxx
:overcurrent setting CS5536 Data Book
(pages
380-381)
21 register
"com1_enable" = "1"
22 register
"com1_address" = "0x3F8"
23 register
"com1_irq" = "4"
24 register
"com2_enable" = "1" # Wired on Alix
.2D13 only
25 register
"com2_address" = "0x2F8"
26 register
"com2_irq" = "3"
27 register
"unwanted_vpci[0]" = "0x80000900" # Disable VGA controller
(not wired
)
28 register
"unwanted_vpci[1]" = "0x80007B00" # Disable AC97 controller
(not wired
)
29 register
"unwanted_vpci[2]" = "0" #
End of
list has a zero
30 device pci f
.0 on
end # ISA Bridge
31 device pci f
.1 on
end # Flash controller
32 device pci f
.2 on
end # IDE controller
33 device pci f
.4 on
end # OHCI
34 device pci f
.5 on
end # EHCI
38 # APIC cluster is late CPU init.
39 device lapic_cluster
0 on