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-rw-r--r--src/mainboard/lenovo/l520/devicetree.cb174
1 files changed, 174 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/l520/devicetree.cb b/src/mainboard/lenovo/l520/devicetree.cb
new file mode 100644
index 0000000000..221168028a
--- /dev/null
+++ b/src/mainboard/lenovo/l520/devicetree.cb
@@ -0,0 +1,174 @@
+chip northbridge/intel/sandybridge
+ register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410, 0x80000410, 0x00000005 }"
+ register "gfx.link_frequency_270_mhz" = "0"
+ register "gfx.ndid" = "3"
+ register "gfx.use_spread_spectrum_clock" = "0"
+ register "gpu_cpu_backlight" = "0x00000000"
+ register "gpu_dp_b_hotplug" = "0"
+ register "gpu_dp_c_hotplug" = "0"
+ register "gpu_dp_d_hotplug" = "0"
+ register "gpu_panel_port_select" = "0"
+ register "gpu_panel_power_backlight_off_delay" = "0"
+ register "gpu_panel_power_backlight_on_delay" = "0"
+ register "gpu_panel_power_cycle_delay" = "0"
+ register "gpu_panel_power_down_delay" = "0"
+ register "gpu_panel_power_up_delay" = "0"
+ register "gpu_pch_backlight" = "0x00000000"
+
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
+ device cpu_cluster 0x0 on
+ chip cpu/intel/socket_rPGA989
+ device lapic 0x0 on
+ end
+ end
+ chip cpu/intel/model_206ax
+ register "c1_acpower" = "1"
+ register "c1_battery" = "1"
+ register "c2_acpower" = "3"
+ register "c2_battery" = "3"
+ register "c3_acpower" = "5"
+ register "c3_battery" = "5"
+ device lapic 0xacac off
+ end
+ end
+ end
+
+ device domain 0x0 on
+ device pci 00.0 on # Host bridge Host bridge
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 01.0 on # PCIe Bridge for discrete graphics
+ end
+ device pci 02.0 on # Internal graphics VGA controller
+ subsystemid 0x17aa 0x21dd
+ end
+ chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
+ register "c2_latency" = "0x0065"
+ register "docking_supported" = "1"
+ register "gen1_dec" = "0x007c1611"
+ register "gen2_dec" = "0x00040069"
+ register "gen3_dec" = "0x000c0701"
+ register "gen4_dec" = "0x00000000"
+ register "gpi13_routing" = "2"
+ register "gpi6_routing" = "2"
+ register "p_cnt_throttling_supported" = "1"
+ register "pcie_hotplug_map" = "{ 0, 0, 1, 1, 1, 0, 0, 0 }"
+ register "pcie_port_coalesce" = "1"
+ register "sata_interface_speed_support" = "0x3"
+ register "sata_port_map" = "0x3b"
+ device pci 16.0 on # Management Engine Interface 1
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 16.1 off # Management Engine Interface 2
+ end
+ device pci 16.2 off # Management Engine IDE-R
+ end
+ device pci 16.3 off # Management Engine KT
+ end
+ device pci 19.0 off # Intel Gigabit Ethernet
+ end
+ device pci 1a.0 on # USB2 EHCI #2
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1b.0 on # High Definition Audio Audio controller
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.0 on # PCIe Port #1
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.1 on # PCIe Port #2
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.2 on # PCIe Port #3
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.3 on # PCIe Port #4
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.4 on # PCIe Port #5
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.5 on # PCIe Port #6
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1c.6 off # PCIe Port #7
+ end
+ device pci 1c.7 off # PCIe Port #8
+ end
+ device pci 1d.0 on # USB2 EHCI #1
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1e.0 off # PCI bridge
+ end
+ device pci 1f.0 on # LPC bridge PCI-LPC bridge
+ subsystemid 0x17aa 0x21dd
+ chip ec/lenovo/pmh7
+ register "backlight_enable" = "0x01"
+ register "dock_event_enable" = "0x01"
+ device pnp ff.1 on # dummy
+ end
+ end
+ chip ec/lenovo/h8
+ register "config0" = "0xa7"
+ register "config1" = "0x09"
+ register "config2" = "0xa0"
+ register "config3" = "0xc2"
+
+ register "beepmask0" = "0x00"
+ register "beepmask1" = "0x86"
+ register "has_power_management_beeps" = "0"
+ register "event2_enable" = "0xff"
+ register "event3_enable" = "0xff"
+ register "event4_enable" = "0xff"
+ register "event5_enable" = "0xff"
+ register "event6_enable" = "0xff"
+ register "event7_enable" = "0xff"
+ register "event8_enable" = "0xff"
+ register "event9_enable" = "0xff"
+ register "eventa_enable" = "0xff"
+ register "eventb_enable" = "0xff"
+ register "eventc_enable" = "0xff"
+ register "eventd_enable" = "0xff"
+ register "evente_enable" = "0xff"
+
+ device pnp ff.2 on # dummy
+ io 0x60 = 0x62
+ io 0x62 = 0x66
+ io 0x64 = 0x1600
+ io 0x66 = 0x1604
+ end
+ end
+ end
+ device pci 1f.2 on # SATA Controller 1
+ subsystemid 0x17aa 0x21dd
+ end
+ device pci 1f.3 on # SMBus
+ subsystemid 0x17aa 0x21dd
+ chip drivers/i2c/at24rf08c # eeprom, 8 virtual devices, same chip
+ device i2c 54 on
+ end
+ device i2c 55 on
+ end
+ device i2c 56 on
+ end
+ device i2c 57 on
+ end
+ device i2c 5c on
+ end
+ device i2c 5d on
+ end
+ device i2c 5e on
+ end
+ device i2c 5f on
+ end
+ end
+ end
+ device pci 1f.5 off # SATA Controller 2
+ end
+ device pci 1f.6 off # Thermal
+ end
+ end
+ end
+end