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-rw-r--r--src/mainboard/digitallogic/msm800sev/devicetree.cb86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mainboard/digitallogic/msm800sev/devicetree.cb b/src/mainboard/digitallogic/msm800sev/devicetree.cb
new file mode 100644
index 0000000000..9636dee678
--- /dev/null
+++ b/src/mainboard/digitallogic/msm800sev/devicetree.cb
@@ -0,0 +1,86 @@
+chip northbridge/amd/lx
+ device pci_domain 0 on
+ device pci 1.0 on end
+ device pci 1.1 on end
+ chip southbridge/amd/cs5536
+ # IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
+ # SIRQ Mode = Active(Quiet) mode. Save power....
+ # Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
+ # How to get these? Boot linux and do this:
+ # rdmsr 0x51400025
+ register "lpc_serirq_enable" = "0x0000105a"
+ # rdmsr 0x5140004e -- polairy is high 16 bits of low 32 bits
+ register "lpc_serirq_polarity" = "0x0000EFA5"
+ # mode is high 10 bits (determined from code)
+ register "lpc_serirq_mode" = "1"
+ # Don't yet know how to find this.
+ register "enable_gpio_int_route" = "0x0D0C0700"
+ register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
+ register "enable_USBP4_device" = "0" #0: host, 1:device
+ register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
+ register "com1_enable" = "0"
+ register "com1_address" = "0x3F8"
+ register "com1_irq" = "4"
+ register "com2_enable" = "0"
+ register "com2_address" = "0x2F8"
+ register "com2_irq" = "3"
+ register "unwanted_vpci[0]" = "0" # End of list has a zero
+ device pci f.0 on # ISA Bridge
+ chip superio/winbond/w83627hf
+ device pnp 2e.0 off # Floppy
+ io 0x60 = 0x3f0
+ irq 0x70 = 6
+ drq 0x74 = 2
+ end
+ device pnp 2e.1 off # Parallel Port
+ io 0x60 = 0x378
+ irq 0x70 = 7
+ end
+ device pnp 2e.2 on # Com1
+ io 0x60 = 0x3f8
+ irq 0x70 = 4
+ end
+ device pnp 2e.3 on # Com2
+ io 0x60 = 0x2f8
+ irq 0x70 = 3
+ end
+ device pnp 2e.5 on # Keyboard
+ io 0x60 = 0x60
+ io 0x62 = 0x64
+ irq 0x70 = 1
+ irq 0x72 = 12
+ end
+ device pnp 2e.6 off # CIR
+ io 0x60 = 0x100
+ end
+ device pnp 2e.7 off # GAME_MIDI_GIPO1
+ io 0x60 = 0x220
+ io 0x62 = 0x300
+ irq 0x70 = 9
+ end
+ device pnp 2e.8 off end # GPIO2
+ device pnp 2e.9 off end # GPIO3
+ device pnp 2e.a off end # ACPI
+ device pnp 2e.b on # HW Monitor
+ io 0x60 = 0x290
+ irq 0x70 = 5
+ end
+ end
+ end
+ device pci f.1 on end # Flash controller
+ device pci f.2 on end # IDE controller
+ device pci f.3 on end # Audio
+ device pci f.4 on end # OHCI
+ device pci f.5 on end # EHCI
+ end
+ end
+
+ # APIC cluster is late CPU init.
+ device apic_cluster 0 on
+ chip cpu/amd/model_lx
+ device apic 0 on end
+ end
+ end
+
+end
+