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-rw-r--r--src/mainboard/purism/librem_skl/devicetree.cb223
1 files changed, 223 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem_skl/devicetree.cb b/src/mainboard/purism/librem_skl/devicetree.cb
new file mode 100644
index 0000000000..854f5db48a
--- /dev/null
+++ b/src/mainboard/purism/librem_skl/devicetree.cb
@@ -0,0 +1,223 @@
+chip soc/intel/skylake
+
+ register "gpu_pp_up_delay_ms" = "200"
+ register "gpu_pp_down_delay_ms" = " 50"
+ register "gpu_pp_cycle_delay_ms" = "500"
+ register "gpu_pp_backlight_on_delay_ms" = " 1"
+ register "gpu_pp_backlight_off_delay_ms" = "200"
+
+ register "gpu_pch_backlight_pwm_hz" = "200"
+
+ # IGD Displays
+ register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
+ register "deep_s3_enable_ac" = "0"
+ register "deep_s3_enable_dc" = "0"
+ register "deep_s5_enable_ac" = "0"
+ register "deep_s5_enable_dc" = "0"
+ register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN"
+
+ register "eist_enable" = "1"
+
+ # Set the Thermal Control Circuit (TCC) activaction value to 95C
+ # even though FSP integration guide says to set it to 100C for SKL-U
+ # (offset at 0), because when the TCC activates at 100C, the CPU
+ # will have already shut itself down from overheating protection.
+ register "tcc_offset" = "5" # TCC of 95C
+
+ # GPE configuration
+ # Note that GPE events called out in ASL code rely on this
+ # route. i.e. If this route changes then the affected GPE
+ # offset bits also need to be changed.
+ register "gpe0_dw0" = "GPP_C"
+ register "gpe0_dw1" = "GPP_D"
+ register "gpe0_dw2" = "GPP_E"
+
+ # EC host command ranges are in 0x380-0x383 & 0x80-0x8f
+ register "gen1_dec" = "0x00000381"
+ register "gen2_dec" = "0x000c0081"
+
+ # Enable "Intel Speed Shift Technology"
+ register "speed_shift_enable" = "1"
+
+ # Disable DPTF
+ register "dptf_enable" = "0"
+
+ # FSP Configuration
+ register "ProbelessTrace" = "0"
+ register "EnableLan" = "0"
+ register "EnableSata" = "1"
+ register "SataSalpSupport" = "0"
+ register "SataMode" = "0"
+ register "SataPortsEnable[0]" = "1"
+ register "SataPortsEnable[1]" = "0"
+ register "SataPortsEnable[2]" = "1"
+ register "SataPortsDevSlp[0]" = "0"
+ register "SataPortsDevSlp[2]" = "0"
+ register "EnableAzalia" = "1"
+ register "DspEnable" = "0"
+ register "IoBufferOwnership" = "0"
+ register "EnableTraceHub" = "0"
+ register "SsicPortEnable" = "0"
+ register "SmbusEnable" = "1"
+ register "Cio2Enable" = "0"
+ register "ScsEmmcEnabled" = "0"
+ register "ScsEmmcHs400Enabled" = "0"
+ register "ScsSdCardEnabled" = "0"
+ register "PttSwitch" = "0"
+ register "SkipExtGfxScan" = "1"
+ register "Device4Enable" = "1"
+ register "HeciEnabled" = "0"
+ register "SaGv" = "3"
+ register "PmConfigSlpS3MinAssert" = "2" # 50ms
+ register "PmConfigSlpS4MinAssert" = "1" # 1s
+ register "PmConfigSlpSusMinAssert" = "3" # 500ms
+ register "PmConfigSlpAMinAssert" = "3" # 2s
+ register "PmTimerDisabled" = "0"
+
+ # EC/KBC requires continuous mode
+ register "serirq_mode" = "SERIRQ_CONTINUOUS"
+
+ register "pirqa_routing" = "PCH_IRQ11"
+ register "pirqb_routing" = "PCH_IRQ10"
+ register "pirqc_routing" = "PCH_IRQ11"
+ register "pirqd_routing" = "PCH_IRQ11"
+ register "pirqe_routing" = "PCH_IRQ11"
+ register "pirqf_routing" = "PCH_IRQ11"
+ register "pirqg_routing" = "PCH_IRQ11"
+ register "pirqh_routing" = "PCH_IRQ11"
+
+ # VR Settings Configuration for 4 Domains
+ #+----------------+-----------+-----------+-------------+----------+
+ #| Domain/Setting | SA | IA | GT Unsliced | GT |
+ #+----------------+-----------+-----------+-------------+----------+
+ #| Psi1Threshold | 20A | 20A | 20A | 20A |
+ #| Psi2Threshold | 4A | 5A | 5A | 5A |
+ #| Psi3Threshold | 1A | 1A | 1A | 1A |
+ #| Psi3Enable | 1 | 1 | 1 | 1 |
+ #| Psi4Enable | 1 | 1 | 1 | 1 |
+ #| ImonSlope | 0 | 0 | 0 | 0 |
+ #| ImonOffset | 0 | 0 | 0 | 0 |
+ #| IccMax | 7A | 34A | 35A | 35A |
+ #| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
+ #| AC LoadLine | 15 mOhm | 5.7 mOhm | 5.2 mOhm | 5.2 mOhm |
+ #| DC LoadLine | 14.3 mOhm | 4.83 mOhm | 4.2 mOhm | 4.2 mOhm |
+ #+----------------+-----------+-----------+-------------+----------+
+ register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(4),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(7),
+ .voltage_limit = 1520,
+ .ac_loadline = 1500,
+ .dc_loadline = 1430,
+ }"
+
+ register "domain_vr_config[VR_IA_CORE]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(34),
+ .voltage_limit = 1520,
+ .ac_loadline = 570,
+ .dc_loadline = 483,
+ }"
+
+ register "domain_vr_config[VR_GT_UNSLICED]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(35),
+ .voltage_limit = 1520,
+ .ac_loadline = 520,
+ .dc_loadline = 420,
+ }"
+
+ register "domain_vr_config[VR_GT_SLICED]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = VR_CFG_AMP(35),
+ .voltage_limit = 1520,
+ .ac_loadline = 520,
+ .dc_loadline = 420,
+ }"
+
+ # Enable Root Ports 5 and 9
+ register "PcieRpEnable[4]" = "1"
+ register "PcieRpEnable[8]" = "1"
+
+ # PL2 override 25W
+ register "tdp_pl2_override" = "25"
+
+ # Send an extra VR mailbox command for the PS4 exit issue
+ register "SendVrMbxCmd" = "2"
+
+ # Lock Down
+ register "common_soc_config" = "{
+ .chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
+ }"
+
+ device cpu_cluster 0 on
+ device lapic 0 on end
+ end
+ device domain 0 on
+ device pci 00.0 on end # Host Bridge
+ device pci 02.0 on end # Integrated Graphics Device
+ device pci 14.0 on end # USB xHCI
+ device pci 14.1 on end # USB xDCI (OTG)
+ device pci 14.2 on end # Thermal Subsystem
+ device pci 16.0 on end # Management Engine Interface 1
+ device pci 16.1 off end # Management Engine Interface 2
+ device pci 16.2 off end # Management Engine IDE-R
+ device pci 16.3 off end # Management Engine KT Redirection
+ device pci 16.4 off end # Management Engine Interface 3
+ device pci 17.0 on end # SATA
+ device pci 1c.0 on end # PCI Express Port 1
+ device pci 1c.1 off end # PCI Express Port 2
+ device pci 1c.2 off end # PCI Express Port 3
+ device pci 1c.3 off end # PCI Express Port 4
+ device pci 1c.4 off end # PCI Express Port 5
+ device pci 1c.5 off end # PCI Express Port 6
+ device pci 1c.6 off end # PCI Express Port 7
+ device pci 1c.7 off end # PCI Express Port 8
+ device pci 1d.0 on end # PCI Express Port 9
+ device pci 1d.1 off end # PCI Express Port 10
+ device pci 1d.2 off end # PCI Express Port 11
+ device pci 1d.3 off end # PCI Express Port 12
+ device pci 1f.0 on
+ chip ec/purism/librem
+ device pnp 0c09.0 on end
+ end
+ chip drivers/pc80/tpm
+ device pnp 0c31.0 on end
+ end
+ end # LPC Interface
+ device pci 1f.1 on end # P2SB
+ device pci 1f.2 on end # Power Management Controller
+ device pci 1f.3 on end # Intel HDA
+ device pci 1f.4 on end # SMBus
+ device pci 1f.5 on end # PCH SPI
+ device pci 1f.6 off end # GbE
+ end
+end