autoport: Add support for Haswell-Lynx Point platform

Tested with the following devices (not exhaustive):
- Dell Latitude E7240
- Dell Precision M6800 and M4800
- Asrock Z87E-ITX
- Asrock Z87M OC Formula
- Asrock Fatal1ty Z87 Professional

Change-Id: I4f6e8c97b5122101de2f36bba8ba9f8ddd5b813a
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30890
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

6 files changed, 899 insertions, 3 deletions

diff --git a/util/autoport/azalia.go b/util/autoport/azalia.go
index c98b03cdea..6dd78b1e62 100644
--- a/util/autoport/azalia.go
+++ b/util/autoport/azalia.go
@@ -61,4 +61,7 @@ func init() {
 	RegisterPCI(0x8086, 0x1c20, azalia{})
 	/* C216/ivybridge */
 	RegisterPCI(0x8086, 0x1e20, azalia{})
+	/* Lynx Point */
+	RegisterPCI(0x8086, 0x8c20, azalia{})
+	RegisterPCI(0x8086, 0x9c20, azalia{})
 }
diff --git a/util/autoport/haswell.go b/util/autoport/haswell.go
new file mode 100644
index 0000000000..588d2710fa
--- /dev/null
+++ b/util/autoport/haswell.go
@@ -0,0 +1,140 @@
+package main
+
+import "fmt"
+
+type haswellmc struct {
+	variant string
+}
+
+func divceil(a uint32, b uint32) uint32 {
+	return (a + b - 1) / b
+}
+
+func getPanelCfg(inteltool InteltoolData, isULT bool) string {
+	var refclk uint32
+	var pwm_hz uint32
+
+	if isULT {
+		refclk = 24000000
+	} else {
+		refclk = 135000000
+	}
+	if (inteltool.IGD[0xc8254] >> 16) != 0 {
+		pwm_hz = refclk / 128 / (inteltool.IGD[0xc8254] >> 16)
+	} else {
+		pwm_hz = 0
+	}
+
+	gpu_panel_power_up_delay := (inteltool.IGD[0xc7208] >> 16) & 0x1fff
+	gpu_panel_power_backlight_on_delay := inteltool.IGD[0xc7208] & 0x1fff
+	gpu_panel_power_down_delay := (inteltool.IGD[0xc720c] >> 16) & 0x1fff
+	gpu_panel_power_backlight_off_delay := inteltool.IGD[0xc720c] & 0x1fff
+	gpu_panel_power_cycle_delay := inteltool.IGD[0xc7210] & 0x1f
+
+	return fmt.Sprintf(`{
+		.up_delay_ms		= %3d,
+		.down_delay_ms		= %3d,
+		.cycle_delay_ms		= %3d,
+		.backlight_on_delay_ms	= %3d,
+		.backlight_off_delay_ms	= %3d,
+		.backlight_pwm_hz	= %3d,
+	}`,
+		divceil(gpu_panel_power_up_delay, 10),
+		divceil(gpu_panel_power_down_delay, 10),
+		(gpu_panel_power_cycle_delay-1)*100,
+		divceil(gpu_panel_power_backlight_on_delay, 10),
+		divceil(gpu_panel_power_backlight_off_delay, 10),
+		pwm_hz)
+}
+
+func (i haswellmc) Scan(ctx Context, addr PCIDevData) {
+	inteltool := ctx.InfoSource.GetInteltool()
+
+	isULT := (i.variant == "ULT")
+	DevTree = DevTreeNode{
+		Chip:          "northbridge/intel/haswell",
+		MissingParent: "northbridge",
+		Comment:       "FIXME: check ec_present, usb_xhci_on_resume, gfx",
+		Registers: map[string]string{
+			"gpu_dp_b_hotplug":    FormatInt32((inteltool.IGD[0xc4030] >> 2) & 4),
+			"gpu_dp_c_hotplug":    FormatInt32((inteltool.IGD[0xc4030] >> 10) & 4),
+			"gpu_dp_d_hotplug":    FormatInt32((inteltool.IGD[0xc4030] >> 18) & 4),
+			"panel_cfg":           getPanelCfg(inteltool, isULT),
+			"gpu_ddi_e_connected": FormatBool(((inteltool.IGD[0x64000] >> 4) & 1) == 0),
+			"ec_present":          "false",
+			"usb_xhci_on_resume":  "false",
+			/* FIXME:XX hardcoded.  */
+			"gfx": "GMA_STATIC_DISPLAYS(0)",
+		},
+		Children: []DevTreeNode{
+			{
+				Chip: "cpu/intel/haswell",
+				Children: []DevTreeNode{
+					{
+						Chip: "cpu_cluster",
+						Dev:  0,
+						Ops:  "haswell_cpu_bus_ops",
+					},
+				},
+			},
+
+			{
+				Chip:          "domain",
+				Dev:           0,
+				Ops:           "haswell_pci_domain_ops",
+				PCIController: true,
+				ChildPCIBus:   0,
+				PCISlots: []PCISlot{
+					PCISlot{PCIAddr: PCIAddr{Dev: 0x0, Func: 0}, writeEmpty: true, additionalComment: i.variant},
+					PCISlot{PCIAddr: PCIAddr{Dev: 0x1, Func: 0}, writeEmpty: !isULT, additionalComment: "PCIe Bridge for discrete graphics"},
+					PCISlot{PCIAddr: PCIAddr{Dev: 0x2, Func: 0}, writeEmpty: true, additionalComment: "Internal graphics"},
+					PCISlot{PCIAddr: PCIAddr{Dev: 0x3, Func: 0}, writeEmpty: true, additionalComment: "Mini-HD audio"},
+				},
+			},
+		},
+	}
+
+	if isULT {
+		DevTree.Registers["dq_pins_interleaved"] = FormatBool(((inteltool.MCHBAR[0x2008] >> 10) & 1) == 0)
+	}
+
+	PutPCIDev(addr, "Host bridge")
+
+	KconfigBool["NORTHBRIDGE_INTEL_HASWELL"] = true
+	KconfigBool["HAVE_ACPI_TABLES"] = true
+	KconfigBool["HAVE_ACPI_RESUME"] = true
+
+	DSDTIncludes = append(DSDTIncludes, DSDTInclude{
+		File: "cpu/intel/common/acpi/cpu.asl",
+	})
+
+	DSDTPCI0Includes = append(DSDTPCI0Includes, DSDTInclude{
+		File: "northbridge/intel/haswell/acpi/hostbridge.asl",
+	}, DSDTInclude{
+		File:    "drivers/intel/gma/acpi/default_brightness_levels.asl",
+		Comment: "FIXME: remove this if the board doesn't have backlight",
+	})
+}
+
+func init() {
+	RegisterPCI(0x8086, 0x0c00, haswellmc{variant: "Desktop"})
+	RegisterPCI(0x8086, 0x0c04, haswellmc{variant: "Mobile"})
+	RegisterPCI(0x8086, 0x0a04, haswellmc{variant: "ULT"})
+	RegisterPCI(0x8086, 0x0c08, haswellmc{variant: "Server"})
+	RegisterPCI(0x8086, 0x0d00, haswellmc{variant: "Crystal Well Desktop"})
+	RegisterPCI(0x8086, 0x0d04, haswellmc{variant: "Crystal Well Mobile"})
+	RegisterPCI(0x8086, 0x0d08, haswellmc{variant: "Crystal Well Server"})
+	for _, id := range []uint16{
+		0x0402, 0x0412, 0x041e, 0x0422, 0x0d22, /* Desktop */
+		0x0406, 0x0416, 0x0426, /* Mobile */
+		0x040a, 0x041a, 0x042a, /* Server */
+		0x0a06, 0x0a16, 0x0a26, /* ULT */
+		0x0a0e, 0x0a1e, /* ULX */
+		0x0d16, 0x0d26, 0x0d36, /* Mobile 4+3, GT3e */
+	} {
+		RegisterPCI(0x8086, id, GenericVGA{GenericPCI{Comment: "VGA controller"}})
+	}
+	/* CPU HD Audio */
+	RegisterPCI(0x8086, 0x0a0c, GenericPCI{})
+	RegisterPCI(0x8086, 0x0c0c, GenericPCI{})
+}
diff --git a/util/autoport/log_reader.go b/util/autoport/log_reader.go
index b144804c28..b0518d25f4 100644
--- a/util/autoport/log_reader.go
+++ b/util/autoport/log_reader.go
@@ -180,7 +180,10 @@ func (l *LogDevReader) GetInteltool() (ret InteltoolData) {
 	paragraph := ""
 	ret.GPIO = map[uint16]uint32{}
 	ret.RCBA = map[uint16]uint32{}
+	ret.IOBP = map[uint32]uint32{}
 	ret.IGD = map[uint32]uint32{}
+	ret.MCHBAR = map[uint16]uint32{}
+	ret.PMBASE = map[uint16]uint32{}
 	for scanner.Scan() {
 		line := scanner.Text()
 		switch {
@@ -188,10 +191,18 @@ func (l *LogDevReader) GetInteltool() (ret InteltoolData) {
 			addr, value := 0, 0
 			fmt.Sscanf(line, "0x%x: 0x%x", &addr, &value)
 			ret.RCBA[uint16(addr)] = uint32(value)
+		case len(line) > 11 && line[0] == '0' && line[1] == 'x' && line[10] == ':' && paragraph == "IOBP":
+			addr, value := 0, 0
+			fmt.Sscanf(line, "0x%x: 0x%x", &addr, &value)
+			ret.IOBP[uint32(addr)] = uint32(value)
 		case len(line) > 9 && line[0] == '0' && line[1] == 'x' && line[8] == ':' && paragraph == "IGD":
 			addr, value := 0, 0
 			fmt.Sscanf(line, "0x%x: 0x%x", &addr, &value)
 			ret.IGD[uint32(addr)] = uint32(value)
+		case len(line) > 7 && line[0] == '0' && line[1] == 'x' && line[6] == ':' && paragraph == "MCHBAR":
+			addr, value := 0, 0
+			fmt.Sscanf(line, "0x%x: 0x%x", &addr, &value)
+			ret.MCHBAR[uint16(addr)] = uint32(value)
 		case strings.Contains(line, "DEFAULT"):
 			continue
 		case strings.Contains(line, "DIFF"):
@@ -200,6 +211,10 @@ func (l *LogDevReader) GetInteltool() (ret InteltoolData) {
 			addr, value := 0, 0
 			fmt.Sscanf(line, "gpiobase+0x%x: 0x%x", &addr, &value)
 			ret.GPIO[uint16(addr)] = uint32(value)
+		case strings.HasPrefix(line, "pmbase"):
+			addr, value := 0, 0
+			fmt.Sscanf(line, "pmbase+0x%x: 0x%x", &addr, &value)
+			ret.PMBASE[uint16(addr)] = uint32(value)
 		case strings.HasPrefix(line, "============="):
 			paragraph = strings.Trim(line, "= ")
 		}
diff --git a/util/autoport/lynxpoint.go b/util/autoport/lynxpoint.go
new file mode 100644
index 0000000000..98a1ca8248
--- /dev/null
+++ b/util/autoport/lynxpoint.go
@@ -0,0 +1,490 @@
+package main
+
+import "fmt"
+
+type LPVariant int
+
+const (
+	LYNX_POINT_MOBILE LPVariant = iota
+	LYNX_POINT_DESKTOP
+	LYNX_POINT_SERVER
+	LYNX_POINT_ULT
+)
+
+type lynxpoint struct {
+	variant LPVariant
+	node    *DevTreeNode
+}
+
+func lpPchGetFlashSize(ctx Context) {
+	inteltool := ctx.InfoSource.GetInteltool()
+	/* In LP PCH, Boot BIOS Straps field in GCS has only one bit.  */
+	switch (inteltool.RCBA[0x3410] >> 10) & 1 {
+	case 0:
+		ROMProtocol = "SPI"
+		highflkb := uint32(0)
+		for reg := uint16(0); reg < 5; reg++ {
+			fl := (inteltool.RCBA[0x3854+4*reg] >> 16) & 0x1fff
+			flkb := (fl + 1) << 2
+			if flkb > highflkb {
+				highflkb = flkb
+			}
+		}
+		ROMSizeKB = int(highflkb)
+		FlashROMSupport = "y"
+	}
+}
+
+func (b lynxpoint) GetGPIOHeader() string {
+	return "southbridge/intel/lynxpoint/pch.h"
+}
+
+func (b lynxpoint) EnableGPE(in int) {
+	if b.variant != LYNX_POINT_ULT {
+		b.node.Registers[fmt.Sprintf("gpi%d_routing", in)] = "2"
+	}
+}
+
+func (b lynxpoint) EncodeGPE(in int) int {
+	return in + 0x10
+}
+
+func (b lynxpoint) DecodeGPE(in int) int {
+	return in - 0x10
+}
+
+func (b lynxpoint) NeedRouteGPIOManually() {
+	b.node.Comment += ", FIXME: set gpiX_routing for EC support"
+}
+
+func GetLptDesktopEHCISetting(loc_param uint32, txamp uint32) (string, int) {
+	var port_pos string
+	var port_length int
+
+	if loc_param == 4 {
+		port_pos = "USB_PORT_BACK_PANEL"
+		if txamp <= 2 {
+			port_length = 0x40
+		} else if txamp >= 4 {
+			port_length = 0x140
+		} else {
+			port_length = 0x110
+		}
+	} else {
+		port_pos = "USB_PORT_FLEX"
+		port_length = 0x40
+	}
+	return port_pos, port_length
+}
+
+func GetLptMobileEHCISetting(loc_param uint32, txamp uint32) (string, int) {
+	var port_pos string
+	var port_length int
+
+	if loc_param == 4 {
+		port_pos = "USB_PORT_DOCK"
+		if txamp <= 1 {
+			port_length = 0x40
+		} else {
+			port_length = 0x80
+		}
+	} else if loc_param == 6 {
+		/* not internal, not dock, port_length >= 0x70 */
+		port_pos = "USB_PORT_BACK_PANEL"
+		if txamp <= 2 {
+			port_length = 0x80
+		} else {
+			port_length = 0x110
+		}
+	} else {
+		port_pos = "USB_PORT_BACK_PANEL"
+		port_length = 0x40
+	}
+	return port_pos, port_length
+}
+
+func GetLptLPEHCISetting(loc_param uint32, txamp uint32) (string, int) {
+	var port_pos string
+	var port_length int
+
+	if loc_param == 6 {
+		/* back panel or mini pcie, length >= 0x70 */
+		port_pos = "USB_PORT_MINI_PCIE"
+		if txamp <= 2 {
+			port_length = 0x80
+		} else {
+			port_length = 0x110
+		}
+	} else if loc_param == 4 {
+		port_pos = "USB_PORT_DOCK"
+		if txamp <= 1 {
+			port_length = 0x40
+		} else {
+			port_length = 0x80
+		}
+	} else {
+		port_pos = "USB_PORT_BACK_PANEL"
+		port_length = 0x40
+	}
+	return port_pos, port_length
+}
+
+func (b lynxpoint) Scan(ctx Context, addr PCIDevData) {
+
+	SouthBridge = &b
+
+	inteltool := ctx.InfoSource.GetInteltool()
+
+	isULT := (b.variant == LYNX_POINT_ULT)
+
+	if isULT {
+		Lynxpoint_LP_GPIO(ctx, inteltool)
+	} else {
+		GPIO(ctx, inteltool)
+	}
+
+	KconfigBool["SOUTHBRIDGE_INTEL_LYNXPOINT"] = true
+	if isULT {
+		KconfigBool["INTEL_LYNXPOINT_LP"] = true
+	}
+	KconfigBool["SERIRQ_CONTINUOUS_MODE"] = true
+	if isULT {
+		KconfigInt["USBDEBUG_HCD_INDEX"] = 1
+	} else {
+		KconfigInt["USBDEBUG_HCD_INDEX"] = 2
+		KconfigComment["USBDEBUG_HCD_INDEX"] = "FIXME: check this"
+	}
+
+	if isULT {
+		lpPchGetFlashSize(ctx)
+	} else {
+		ich9GetFlashSize(ctx)
+	}
+
+	FADT := ctx.InfoSource.GetACPI()["FACP"]
+
+	sp0dtle_data := (inteltool.IOBP[0xea002750] >> 24) & 0xf
+	sp0dtle_edge := (inteltool.IOBP[0xea002754] >> 16) & 0xf
+	sp1dtle_data := (inteltool.IOBP[0xea002550] >> 24) & 0xf
+	sp1dtle_edge := (inteltool.IOBP[0xea002554] >> 16) & 0xf
+
+	if sp0dtle_data != sp0dtle_edge {
+		fmt.Printf("Different SATA Gen3 port0 DTLE data and edge values are used.\n")
+	}
+
+	if sp1dtle_data != sp1dtle_edge {
+		fmt.Printf("Different SATA Gen3 port1 DTLE data and edge values are used.\n")
+	}
+
+	cur := DevTreeNode{
+		Chip:    "southbridge/intel/lynxpoint",
+		Comment: "Intel Series 8 Lynx Point PCH",
+
+		/* alt_gp_smi_en is not generated because coreboot doesn't use SMI like OEM firmware */
+		Registers: map[string]string{
+			"gen1_dec":             FormatHexLE32(PCIMap[PCIAddr{Bus: 0, Dev: 0x1f, Func: 0}].ConfigDump[0x84:0x88]),
+			"gen2_dec":             FormatHexLE32(PCIMap[PCIAddr{Bus: 0, Dev: 0x1f, Func: 0}].ConfigDump[0x88:0x8c]),
+			"gen3_dec":             FormatHexLE32(PCIMap[PCIAddr{Bus: 0, Dev: 0x1f, Func: 0}].ConfigDump[0x8c:0x90]),
+			"gen4_dec":             FormatHexLE32(PCIMap[PCIAddr{Bus: 0, Dev: 0x1f, Func: 0}].ConfigDump[0x90:0x94]),
+			"sata_port_map":        fmt.Sprintf("0x%x", PCIMap[PCIAddr{Bus: 0, Dev: 0x1f, Func: 2}].ConfigDump[0x92]&0x3f),
+			"docking_supported":    (FormatBool((FADT[113] & (1 << 1)) != 0)),
+			"sata_port0_gen3_dtle": fmt.Sprintf("0x%x", sp0dtle_data),
+			"sata_port1_gen3_dtle": fmt.Sprintf("0x%x", sp1dtle_data),
+		},
+		PCISlots: []PCISlot{
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x13, Func: 0}, writeEmpty: isULT, additionalComment: "Smart Sound Audio DSP"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x14, Func: 0}, writeEmpty: true, additionalComment: "xHCI Controller"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 0}, writeEmpty: isULT, additionalComment: "Serial I/O DMA"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 1}, writeEmpty: isULT, additionalComment: "I2C0"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 2}, writeEmpty: isULT, additionalComment: "I2C1"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 3}, writeEmpty: isULT, additionalComment: "GSPI0"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 4}, writeEmpty: isULT, additionalComment: "GSPI1"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 5}, writeEmpty: isULT, additionalComment: "UART0"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x15, Func: 6}, writeEmpty: isULT, additionalComment: "UART1"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x16, Func: 0}, writeEmpty: true, additionalComment: "Management Engine Interface 1"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x16, Func: 1}, writeEmpty: true, additionalComment: "Management Engine Interface 2"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x16, Func: 2}, writeEmpty: true, additionalComment: "Management Engine IDE-R"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x16, Func: 3}, writeEmpty: true, additionalComment: "Management Engine KT"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x17, Func: 0}, writeEmpty: isULT, additionalComment: "SDIO"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x19, Func: 0}, writeEmpty: true, additionalComment: "Intel Gigabit Ethernet"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1a, Func: 0}, writeEmpty: !isULT, additionalComment: "USB2 EHCI #2"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1b, Func: 0}, writeEmpty: true, additionalComment: "High Definition Audio"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 0}, writeEmpty: true, additionalComment: "PCIe Port #1"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 1}, writeEmpty: true, additionalComment: "PCIe Port #2"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 2}, writeEmpty: true, additionalComment: "PCIe Port #3"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 3}, writeEmpty: true, additionalComment: "PCIe Port #4"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 4}, writeEmpty: true, additionalComment: "PCIe Port #5"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 5}, writeEmpty: true, additionalComment: "PCIe Port #6"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 6}, writeEmpty: !isULT, additionalComment: "PCIe Port #7"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 7}, writeEmpty: !isULT, additionalComment: "PCIe Port #8"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1d, Func: 0}, writeEmpty: true, additionalComment: "USB2 EHCI #1"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 0}, writeEmpty: true, additionalComment: "LPC bridge"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 2}, writeEmpty: true, additionalComment: "SATA Controller (AHCI)"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 3}, writeEmpty: true, additionalComment: "SMBus"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 5}, writeEmpty: !isULT, additionalComment: "SATA Controller (Legacy)"},
+			PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 6}, writeEmpty: true, additionalComment: "Thermal"},
+		},
+	}
+
+	if isULT {
+		cur.Registers["gpe0_en_1"] = fmt.Sprintf("0x%x", inteltool.PMBASE[0x90])
+		cur.Registers["gpe0_en_2"] = fmt.Sprintf("0x%x", inteltool.PMBASE[0x94])
+		cur.Registers["gpe0_en_3"] = fmt.Sprintf("0x%x", inteltool.PMBASE[0x98])
+		cur.Registers["gpe0_en_4"] = fmt.Sprintf("0x%x", inteltool.PMBASE[0x9c])
+	} else {
+		cur.Registers["gpe0_en_1"] = fmt.Sprintf("0x%x", inteltool.PMBASE[0x28])
+		cur.Registers["gpe0_en_2"] = fmt.Sprintf("0x%x", inteltool.PMBASE[0x2c])
+	}
+
+	b.node = &cur
+
+	PutPCIChip(addr, cur)
+	PutPCIDevParent(addr, "", "lpc")
+
+	DSDTIncludes = append(DSDTIncludes, DSDTInclude{
+		File: "southbridge/intel/common/acpi/platform.asl",
+	})
+	DSDTIncludes = append(DSDTIncludes, DSDTInclude{
+		File:    "southbridge/intel/lynxpoint/acpi/globalnvs.asl",
+		Comment: "global NVS and variables",
+	})
+	DSDTIncludes = append(DSDTIncludes, DSDTInclude{
+		File: "southbridge/intel/common/acpi/sleepstates.asl",
+	})
+	DSDTPCI0Includes = append(DSDTPCI0Includes, DSDTInclude{
+		File: "southbridge/intel/lynxpoint/acpi/pch.asl",
+	})
+
+	AddBootBlockFile("bootblock.c", "")
+	bb := Create(ctx, "bootblock.c")
+	defer bb.Close()
+	Add_gpl(bb)
+	bb.WriteString(`#include <southbridge/intel/lynxpoint/pch.h>
+
+/* FIXME: remove this if not needed */
+void mainboard_config_superio(void)
+{
+}
+`)
+
+	sb := Create(ctx, "romstage.c")
+	defer sb.Close()
+	Add_gpl(sb)
+	sb.WriteString(`#include <stdint.h>
+#include <northbridge/intel/haswell/haswell.h>
+#include <northbridge/intel/haswell/raminit.h>
+#include <southbridge/intel/lynxpoint/pch.h>
+
+void mainboard_config_rcba(void)
+{
+}
+
+/* FIXME: called after romstage_common, remove it if not used */
+void mb_late_romstage_setup(void)
+{
+}
+
+void mb_get_spd_map(struct spd_info *spdi)
+{
+	/* FIXME: check this */
+	spdi->addresses[0] = 0x50;
+	spdi->addresses[1] = 0x51;
+	spdi->addresses[2] = 0x52;
+	spdi->addresses[3] = 0x53;
+}
+
+const struct usb2_port_config mainboard_usb2_ports[MAX_USB2_PORTS] = {
+	/* FIXME: Length and Location are computed from IOBP values, may be inaccurate */
+	/* Length, Enable, OCn#, Location */
+`)
+
+	pdo1 := PCIMap[PCIAddr{Bus: 0, Dev: 0x1d, Func: 0}].ConfigDump[0x64]
+	ocmap1 := PCIMap[PCIAddr{Bus: 0, Dev: 0x1d, Func: 0}].ConfigDump[0x74:0x78]
+
+	var pdo2 uint8
+	var ocmap2 []uint8
+	var nPorts uint
+	if isULT {
+		nPorts = 8
+	} else {
+		pdo2 = PCIMap[PCIAddr{Bus: 0, Dev: 0x1a, Func: 0}].ConfigDump[0x64]
+		ocmap2 = PCIMap[PCIAddr{Bus: 0, Dev: 0x1a, Func: 0}].ConfigDump[0x74:0x78]
+		nPorts = 14
+	}
+
+	xusb2pr := GetLE16(PCIMap[PCIAddr{Bus: 0, Dev: 0x14, Func: 0}].ConfigDump[0xd0:0xd4])
+
+	for port := uint(0); port < nPorts; port++ {
+		var port_oc int = -1
+		var port_pos string
+		var port_disable uint8
+
+		if port < 8 {
+			port_disable = ((pdo1 >> port) & (uint8(xusb2pr>>port) ^ 1)) & 1
+			for oc := 0; oc < 4; oc++ {
+				if (ocmap1[oc] & (1 << port)) != 0 {
+					port_oc = oc
+					break
+				}
+			}
+		} else {
+			port_disable = ((pdo2 >> (port - 8)) & (uint8(xusb2pr>>port) ^ 1)) & 1
+			for oc := 0; oc < 4; oc++ {
+				if (ocmap2[oc] & (1 << (port - 8))) != 0 {
+					port_oc = oc + 4
+					break
+				}
+			}
+		}
+
+		/* get USB2 port length and location from IOBP */
+		port_iobp := inteltool.IOBP[0xe5004100+uint32(port)*0x100]
+		loc_param := (port_iobp >> 8) & 7
+		txamp := (port_iobp >> 11) & 7
+		var port_length int
+
+		if isULT {
+			port_pos, port_length = GetLptLPEHCISetting(loc_param, txamp)
+		} else if b.variant == LYNX_POINT_MOBILE {
+			port_pos, port_length = GetLptMobileEHCISetting(loc_param, txamp)
+		} else { /* desktop or server */
+			port_pos, port_length = GetLptDesktopEHCISetting(loc_param, txamp)
+		}
+
+		if port_disable == 1 {
+			port_pos = "USB_PORT_SKIP"
+		}
+
+		if port_oc == -1 {
+			fmt.Fprintf(sb, "\t{ 0x%04x, %d, USB_OC_PIN_SKIP, %s },\n",
+				port_length, (port_disable ^ 1), port_pos)
+		} else {
+			fmt.Fprintf(sb, "\t{ 0x%04x, %d, %d, %s },\n",
+				port_length, (port_disable ^ 1), port_oc, port_pos)
+		}
+	}
+
+	sb.WriteString(`};
+
+const struct usb3_port_config mainboard_usb3_ports[MAX_USB3_PORTS] = {
+`)
+
+	xpdo := PCIMap[PCIAddr{Bus: 0, Dev: 0x14, Func: 0}].ConfigDump[0xe8]
+	u3ocm := PCIMap[PCIAddr{Bus: 0, Dev: 0x14, Func: 0}].ConfigDump[0xc8:0xd0]
+
+	if !isULT {
+		nPorts = 6
+	} else {
+		nPorts = 4
+	}
+
+	for port := uint(0); port < nPorts; port++ {
+		var port_oc int = -1
+		port_disable := (xpdo >> port) & 1
+		for oc := 0; oc < 8; oc++ {
+			if (u3ocm[oc] & (1 << port)) != 0 {
+				port_oc = oc
+				break
+			}
+		}
+		if port_oc == -1 {
+			fmt.Fprintf(sb, "\t{ %d, USB_OC_PIN_SKIP },\n",
+				(port_disable ^ 1))
+		} else {
+			fmt.Fprintf(sb, "\t{ %d, %d },\n",
+				(port_disable ^ 1), port_oc)
+		}
+	}
+
+	sb.WriteString(`};
+`)
+
+}
+
+func init() {
+	for _, id := range []uint16{
+		0x8c41, 0x8c49, 0x8c4b, 0x8c4f,
+	} {
+		RegisterPCI(0x8086, uint16(id), lynxpoint{variant: LYNX_POINT_MOBILE})
+	}
+
+	for _, id := range []uint16{
+		0x8c42, 0x8c44, 0x8c46, 0x8c4a,
+		0x8c4c, 0x8c4e, 0x8c50, 0x8c5c,
+	} {
+		RegisterPCI(0x8086, uint16(id), lynxpoint{variant: LYNX_POINT_DESKTOP})
+	}
+
+	for _, id := range []uint16{
+		0x8c52, 0x8c54, 0x8c56,
+	} {
+		RegisterPCI(0x8086, uint16(id), lynxpoint{variant: LYNX_POINT_SERVER})
+	}
+
+	for _, id := range []uint16{
+		0x9c41, 0x9c43, 0x9c45,
+	} {
+		RegisterPCI(0x8086, uint16(id), lynxpoint{variant: LYNX_POINT_ULT})
+	}
+
+	/* PCIe bridge */
+	for _, id := range []uint16{
+		0x8c10, 0x8c12, 0x8c14, 0x8c16, 0x8c18, 0x8c1a, 0x8c1c, 0x8c1e,
+		0x9c10, 0x9c12, 0x9c14, 0x9c16, 0x9c18, 0x9c1a,
+	} {
+		RegisterPCI(0x8086, id, GenericPCI{})
+	}
+
+	/* SMBus controller  */
+	RegisterPCI(0x8086, 0x8c22, GenericPCI{MissingParent: "smbus"})
+	RegisterPCI(0x8086, 0x9c22, GenericPCI{MissingParent: "smbus"})
+
+	/* SATA */
+	for _, id := range []uint16{
+		0x8c00, 0x8c02, 0x8c04, 0x8c06, 0x8c08, 0x8c0e,
+		0x8c01, 0x8c03, 0x8c05, 0x8c07, 0x8c09, 0x8c0f,
+		0x9c03, 0x9c05, 0x9c07, 0x9c0f,
+	} {
+		RegisterPCI(0x8086, id, GenericPCI{})
+	}
+
+	/* EHCI */
+	for _, id := range []uint16{
+		0x9c26, 0x8c26, 0x8c2d,
+	} {
+		RegisterPCI(0x8086, id, GenericPCI{})
+	}
+
+	/* XHCI */
+	RegisterPCI(0x8086, 0x8c31, GenericPCI{})
+	RegisterPCI(0x8086, 0x9c31, GenericPCI{})
+
+	/* ME and children */
+	for _, id := range []uint16{
+		0x8c3a, 0x8c3b, 0x8c3c, 0x8c3d,
+		0x9c3a, 0x9c3b, 0x9c3c, 0x9c3d,
+	} {
+		RegisterPCI(0x8086, id, GenericPCI{})
+	}
+
+	/* Ethernet */
+	RegisterPCI(0x8086, 0x8c33, GenericPCI{})
+
+	/* Thermal */
+	RegisterPCI(0x8086, 0x8c24, GenericPCI{})
+	RegisterPCI(0x8086, 0x9c24, GenericPCI{})
+
+	/* LAN Controller on LP PCH (if EEPROM has 0x0000/0xffff in DID) */
+	RegisterPCI(0x8086, 0x155a, GenericPCI{})
+
+	/* SDIO */
+	RegisterPCI(0x8086, 0x9c35, GenericPCI{})
+
+	/* Smart Sound Technology Controller */
+	RegisterPCI(0x8086, 0x9c36, GenericPCI{})
+
+	/* Serial I/O */
+	for id := uint16(0x9c60); id <= 0x9c66; id++ {
+		RegisterPCI(0x8086, id, GenericPCI{})
+	}
+}
diff --git a/util/autoport/lynxpoint_lp_gpio.go b/util/autoport/lynxpoint_lp_gpio.go
new file mode 100644
index 0000000000..ee5944c91d
--- /dev/null
+++ b/util/autoport/lynxpoint_lp_gpio.go
@@ -0,0 +1,240 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+const (
+	PIRQI = 0
+	PIRQJ = 1
+	PIRQK = 2
+	PIRQL = 3
+	PIRQM = 4
+	PIRQN = 5
+	PIRQO = 6
+	PIRQP = 7
+	PIRQQ = 8
+	PIRQR = 9
+	PIRQS = 10
+	PIRQT = 11
+	PIRQU = 12
+	PIRQV = 13
+	PIRQW = 14
+	PIRQX = 15
+)
+
+/* from sb/intel/lynxpoint/lp_gpio.c */
+func lp_gpio_to_pirq(gpioNum uint16) int {
+	var pirqmap = map[uint16] int {
+		8: PIRQI,
+		9: PIRQJ,
+		10: PIRQK,
+		13: PIRQL,
+		14: PIRQM,
+		45: PIRQN,
+		46: PIRQO,
+		47: PIRQP,
+		48: PIRQQ,
+		49: PIRQR,
+		50: PIRQS,
+		51: PIRQT,
+		52: PIRQU,
+		53: PIRQV,
+		54: PIRQW,
+		55: PIRQX,
+	}
+	pirq, valid := pirqmap[gpioNum]
+	if (valid) {
+		return pirq
+	} else {
+		return -1
+	}
+}
+
+func conf0str(conf0 uint32) string {
+	if (conf0 & 1) == 0 {
+		return "GPIO_MODE_NATIVE"
+	} else {
+		s := []string{"GPIO_MODE_GPIO"}
+		var gpio_output bool
+		if ((conf0 >> 2) & 1) == 1 {
+			s = append(s, "GPIO_DIR_INPUT")
+			gpio_output = false
+		} else {
+			s = append(s, "GPIO_DIR_OUTPUT")
+			gpio_output = true
+		}
+		if ((conf0 >> 3) & 1) == 1 {
+			s = append(s, "GPIO_INVERT")
+		}
+		if ((conf0 >> 4) & 1) == 1 {
+			s = append(s, "GPIO_IRQ_LEVEL")
+		}
+		if gpio_output {
+			if ((conf0 >> 31) & 1) == 1 {
+				s = append(s, "GPO_LEVEL_HIGH")
+			} else {
+				s = append(s, "GPO_LEVEL_LOW")
+			}
+		}
+		return strings.Join(s, " | ")
+	}
+}
+
+func lpgpio_preset(conf0 uint32, owner uint32, route uint32, irqen uint32, pirq uint32) string {
+	if conf0 == 0xd { /* 0b1101: MODE_GPIO | INPUT | INVERT */
+		if owner == 0 { /* OWNER_ACPI */
+			if irqen == 0 && pirq == 0 {
+				if route == 0 { /* SCI */
+					return "GPIO_ACPI_SCI"
+				} else {
+					return "GPIO_ACPI_SMI"
+				}
+			}
+			return ""
+		} else { /* OWNER_GPIO */
+			if route == 0 && irqen == 0 && pirq != 0 {
+				return "GPIO_INPUT_INVERT"
+			}
+			return ""
+		}
+	}
+
+	if conf0 == 0x5 && owner == 1 { /* 0b101: MODE_GPIO | INPUT, OWNER_GPIO */
+		if route == 0 && irqen == 0 {
+			if pirq == 1 {
+				return "GPIO_PIRQ"
+			} else {
+				return "GPIO_INPUT"
+			}
+		}
+		return ""
+	}
+
+	if owner == 1 && irqen == 1 {
+		if route == 0 && pirq == 0 {
+			if conf0 == 0x5 { /* 0b00101 */
+				return "GPIO_IRQ_EDGE"
+			}
+			if conf0 == 0x15 { /* 0b10101 */
+				return "GPIO_IRQ_LEVEL"
+			}
+		}
+		return ""
+	}
+	return ""
+}
+
+func gpio_str(conf0 uint32, conf1 uint32, owner uint32, route uint32, irqen uint32, reset uint32, blink uint32, pirq uint32) string {
+	s := []string{}
+	s = append(s, fmt.Sprintf(".conf0 = %s", conf0str(conf0)))
+	if conf1 != 0 {
+		s = append(s, fmt.Sprintf(".conf1 = 0x%x", conf1))
+	}
+	if owner != 0 {
+		s = append(s, ".owner = GPIO_OWNER_GPIO")
+	}
+	if route != 0 {
+		s = append(s, ".route = GPIO_ROUTE_SMI")
+	}
+	if irqen != 0 {
+		s = append(s, ".irqen = GPIO_IRQ_ENABLE")
+	}
+	if reset != 0 {
+		s = append(s, ".reset = GPIO_RESET_RSMRST")
+	}
+	if blink != 0 {
+		s = append(s, ".blink = GPO_BLINK")
+	}
+	if pirq != 0 {
+		s = append(s, ".pirq = GPIO_PIRQ_APIC_ROUTE")
+	}
+	return strings.Join(s, ", ")
+}
+
+/* start addresses of GPIO registers */
+const (
+	GPIO_OWN        = 0x0
+	GPIPIRQ2IOXAPIC = 0x10
+	GPO_BLINK       = 0x18
+	GPI_ROUT        = 0x30
+	GP_RST_SEL      = 0x60
+	GPI_IE          = 0x90
+	GPnCONFIGA      = 0x100
+	GPnCONFIGB      = 0x104
+)
+
+func PrintLPGPIO(gpio *os.File, inteltool InteltoolData) {
+	for gpioNum := uint16(0); gpioNum <= 94; gpioNum++ {
+		if gpioNum < 10 {
+			fmt.Fprintf(gpio, "\t[%d]  = ", gpioNum)
+		} else {
+			fmt.Fprintf(gpio, "\t[%d] = ", gpioNum)
+		}
+		conf0 := inteltool.GPIO[GPnCONFIGA+gpioNum*8]
+		conf1 := inteltool.GPIO[GPnCONFIGB+gpioNum*8]
+		set := gpioNum / 32
+		bit := gpioNum % 32
+		/* owner only effective in GPIO mode */
+		owner := (inteltool.GPIO[GPIO_OWN+set*4] >> bit) & 1
+		route := (inteltool.GPIO[GPI_ROUT+set*4] >> bit) & 1
+		irqen := (inteltool.GPIO[GPI_IE+set*4] >> bit) & 1
+		reset := (inteltool.GPIO[GP_RST_SEL+set*4] >> bit) & 1
+		var blink, pirq uint32
+		/* blink only effective in GPIO output mode */
+		if set == 0 {
+			blink = (inteltool.GPIO[GPO_BLINK] >> bit) & 1
+		} else {
+			blink = 0
+		}
+		irqset := lp_gpio_to_pirq(gpioNum)
+		if irqset >= 0 {
+			pirq = (inteltool.GPIO[GPIPIRQ2IOXAPIC] >> uint(irqset)) & 1
+		} else {
+			pirq = 0
+		}
+
+		if (conf0 & 1) == 0 {
+			fmt.Fprintf(gpio, "LP_GPIO_NATIVE,\n")
+		} else if (conf0 & 4) == 0 {
+			/* configured as output */
+			if ((conf0 >> 31) & 1) == 0 {
+				fmt.Fprintf(gpio, "LP_GPIO_OUT_LOW,\n")
+			} else {
+				fmt.Fprintf(gpio, "LP_GPIO_OUT_HIGH,\n")
+			}
+		} else if (conf1 & 4) != 0 {
+			/* configured as input and sensing disabled */
+			fmt.Fprintf(gpio, "LP_GPIO_UNUSED,\n")
+		} else {
+			is_preset := false
+			if conf1 == 0 && reset == 0 && blink == 0 {
+				preset := lpgpio_preset(conf0, owner, route, irqen, pirq)
+				if preset != "" {
+					fmt.Fprintf(gpio, "LP_%s,\n", preset)
+					is_preset = true
+				}
+			}
+			if !is_preset {
+				fmt.Fprintf(gpio, "{ %s },\n", gpio_str(conf0, conf1, owner, route, irqen, reset, blink, pirq))
+			}
+		}
+	}
+}
+
+func Lynxpoint_LP_GPIO(ctx Context, inteltool InteltoolData) {
+	gpio := Create(ctx, "gpio.c")
+	defer gpio.Close()
+
+	AddROMStageFile("gpio.c", "")
+
+	Add_gpl(gpio)
+	gpio.WriteString(`#include <southbridge/intel/lynxpoint/lp_gpio.h>
+
+const struct pch_lp_gpio_map mainboard_lp_gpio_map[] = {
+`)
+	PrintLPGPIO(gpio, inteltool)
+	gpio.WriteString("\tLP_GPIO_END\n};\n")
+}
diff --git a/util/autoport/main.go b/util/autoport/main.go
index 21dbbf07ab..8a3ee6c83e 100644
--- a/util/autoport/main.go
+++ b/util/autoport/main.go
@@ -31,9 +31,12 @@ type PCIDevice interface {
 }
 
 type InteltoolData struct {
-	GPIO map[uint16]uint32
-	RCBA map[uint16]uint32
-	IGD  map[uint32]uint32
+	GPIO   map[uint16]uint32
+	RCBA   map[uint16]uint32
+	IOBP   map[uint32]uint32
+	IGD    map[uint32]uint32
+	MCHBAR map[uint16]uint32
+	PMBASE map[uint16]uint32
 }
 
 type DMIData struct {
@@ -253,6 +256,7 @@ type DevTreeNode struct {
 	SubVendor     uint16
 	SubSystem     uint16
 	Chip          string
+	Ops           string
 	Comment       string
 }
 
@@ -380,6 +384,10 @@ func WriteDev(dt *os.File, offset int, alias string, dev DevTreeNode) {
 		fmt.Fprintf(dt, " # %s", dev.Comment)
 	}
 	fmt.Fprintf(dt, "\n")
+	if dev.Ops != "" {
+		Offset(dt, offset+1)
+		fmt.Fprintf(dt, "ops %s\n", dev.Ops)
+	}
 	if dev.Chip == "pci" && dev.SubSystem != 0 && dev.SubVendor != 0 {
 		Offset(dt, offset+1)
 		fmt.Fprintf(dt, "subsystemid 0x%04x 0x%04x\n", dev.SubVendor, dev.SubSystem)