From 8cba237086dfbb312a5913bb75eef4f6046aeae5 Mon Sep 17 00:00:00 2001 From: Nicholas Chin Date: Mon, 18 Mar 2024 10:45:05 -0600 Subject: util: Import autoport with Haswell patches This is a copy of coreboot's autoport utility, with a patch applied to support Haswell/Lynx Point platforms. That patch is currently in review on coreboot's Gerrit. https://review.coreboot.org/c/coreboot/+/30890 Signed-off-by: Nicholas Chin --- util/autoport/haswell.go | 139 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 util/autoport/haswell.go (limited to 'util/autoport/haswell.go') diff --git a/util/autoport/haswell.go b/util/autoport/haswell.go new file mode 100644 index 00000000..645b197a --- /dev/null +++ b/util/autoport/haswell.go @@ -0,0 +1,139 @@ +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) & 7), + "gpu_dp_c_hotplug": FormatInt32((inteltool.IGD[0xc4030] >> 10) & 7), + "gpu_dp_d_hotplug": FormatInt32((inteltool.IGD[0xc4030] >> 18) & 7), + "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, 0x0422, /* Desktop */ + 0x0406, 0x0416, 0x0426, /* Mobile */ + 0x040a, 0x041a, 0x042a, /* Server */ + 0x0a06, 0x0a16, 0x0a26, /* ULT */ + 0x0d16, 0x0d22, 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{}) +} -- cgit v1.2.1