package main import ( "fmt" "os" ) type bd82x6x struct { variant string node *DevTreeNode } func (b bd82x6x) writeGPIOSet(ctx Context, sb *os.File, val uint32, set uint, partno int) { max := uint(32) if set == 3 { max = 12 } bits := [6][2]string{ {"GPIO_MODE_NATIVE", "GPIO_MODE_GPIO"}, {"GPIO_DIR_OUTPUT", "GPIO_DIR_INPUT"}, {"GPIO_LEVEL_LOW", "GPIO_LEVEL_HIGH"}, {"GPIO_RESET_PWROK", "GPIO_RESET_RSMRST"}, {"GPIO_NO_INVERT", "GPIO_INVERT"}, {"GPIO_NO_BLINK", "GPIO_BLINK"}, } for i := uint(0); i < max; i++ { fmt.Fprintf(sb, " .gpio%d = %s,\n", (set-1)*32+i, bits[partno][(val>>i)&1]) } } func (b bd82x6x) GPIO(ctx Context, inteltool InteltoolData) { gpio := Create(ctx, "gpio.c") defer gpio.Close() AddROMStageFile("gpio.c", "") gpio.WriteString(`#include <southbridge/intel/common/gpio.h> `) adresses := [3][6]int{ {0x00, 0x04, 0x0c, 0x60, 0x2c, 0x18}, {0x30, 0x34, 0x38, 0x64, -1, -1}, {0x40, 0x44, 0x48, 0x68, -1, -1}, } for set := 1; set <= 3; set++ { for partno, part := range []string{"mode", "direction", "level", "reset", "invert", "blink"} { addr := adresses[set-1][partno] if addr < 0 { continue } fmt.Fprintf(gpio, "const struct pch_gpio_set%d pch_gpio_set%d_%s = {\n", set, set, part) b.writeGPIOSet(ctx, gpio, inteltool.GPIO[uint16(addr)], uint(set), partno) gpio.WriteString("};\n\n") } } gpio.WriteString(`const struct pch_gpio_map mainboard_gpio_map = { .set1 = { .mode = &pch_gpio_set1_mode, .direction = &pch_gpio_set1_direction, .level = &pch_gpio_set1_level, .blink = &pch_gpio_set1_blink, .invert = &pch_gpio_set1_invert, .reset = &pch_gpio_set1_reset, }, .set2 = { .mode = &pch_gpio_set2_mode, .direction = &pch_gpio_set2_direction, .level = &pch_gpio_set2_level, .reset = &pch_gpio_set2_reset, }, .set3 = { .mode = &pch_gpio_set3_mode, .direction = &pch_gpio_set3_direction, .level = &pch_gpio_set3_level, .reset = &pch_gpio_set3_reset, }, }; `) } func (b bd82x6x) IsPCIeHotplug(ctx Context, port int) bool { portDev, ok := PCIMap[PCIAddr{Bus: 0, Dev: 0x1c, Func: port}] if !ok { return false } return (portDev.ConfigDump[0xdb] & (1 << 6)) != 0 } func ich9GetFlashSize(ctx Context) { inteltool := ctx.InfoSource.GetInteltool() switch (inteltool.RCBA[0x3410] >> 10) & 3 { /* SPI. All boards I've seen with sandy/ivy use SPI. */ case 3: 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) /* Shared with ME. Flashrom is unable to handle it. */ FlashROMSupport = "n" } } func (b bd82x6x) GetGPIOHeader() string { return "southbridge/intel/bd82x6x/pch.h" } func (b bd82x6x) EnableGPE(in int) { b.node.Registers[fmt.Sprintf("gpi%d_routing", in)] = "2" } func (b bd82x6x) EncodeGPE(in int) int { return in + 0x10 } func (b bd82x6x) DecodeGPE(in int) int { return in - 0x10 } func (b bd82x6x) NeedRouteGPIOManually() { b.node.Comment += ", FIXME: set gpiX_routing for EC support" } func (b bd82x6x) Scan(ctx Context, addr PCIDevData) { SouthBridge = &b inteltool := ctx.InfoSource.GetInteltool() b.GPIO(ctx, inteltool) KconfigBool["SOUTHBRIDGE_INTEL_"+b.variant] = true KconfigBool["SERIRQ_CONTINUOUS_MODE"] = true KconfigInt["USBDEBUG_HCD_INDEX"] = 2 KconfigComment["USBDEBUG_HCD_INDEX"] = "FIXME: check this" dmi := ctx.InfoSource.GetDMI() if dmi.Vendor == "LENOVO" { KconfigInt["DRAM_RESET_GATE_GPIO"] = 10 } else { KconfigInt["DRAM_RESET_GATE_GPIO"] = 60 } KconfigComment["DRAM_RESET_GATE_GPIO"] = "FIXME: check this" /* Not strictly speaking correct. These subsys/subvendor referer to PCI devices. But most systems don't have any of those. But the config needs to be set nevertheless. So set it to southbridge subsys/subvendor. */ KconfigHex["MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID"] = uint32(GetLE16(addr.ConfigDump[0x2c:0x2e])) KconfigHex["MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID"] = uint32(GetLE16(addr.ConfigDump[0x2e:0x30])) ich9GetFlashSize(ctx) DSDTDefines = append(DSDTDefines, DSDTDefine{ Key: "BRIGHTNESS_UP", Value: "\\_SB.PCI0.GFX0.INCB", }, DSDTDefine{ Key: "BRIGHTNESS_DOWN", Value: "\\_SB.PCI0.GFX0.DECB", }, DSDTDefine{ Key: "ACPI_VIDEO_DEVICE", Value: "\\_SB.PCI0.GFX0", }) /* SPI init */ MainboardIncludes = append(MainboardIncludes, "southbridge/intel/bd82x6x/pch.h") /* FIXME:XX Move this to runtime. */ for _, addr := range []uint16{0x38c8, 0x38c4, 0x38c0} { MainboardInit += fmt.Sprintf("\tRCBA32(0x%04x) = 0x%08x;\n", addr, inteltool.RCBA[addr]) } FADT := ctx.InfoSource.GetACPI()["FACP"] pcieHotplugMap := "{ " for port := 0; port < 7; port++ { if b.IsPCIeHotplug(ctx, port) { pcieHotplugMap += "1, " } else { pcieHotplugMap += "0, " } } if b.IsPCIeHotplug(ctx, 7) { pcieHotplugMap += "1 }" } else { pcieHotplugMap += "0 }" } cur := DevTreeNode{ Chip: "southbridge/intel/bd82x6x", Comment: "Intel Series 6 Cougar Point PCH", Registers: map[string]string{ "sata_interface_speed_support": "0x3", "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]), "pcie_port_coalesce": "1", "pcie_hotplug_map": pcieHotplugMap, "sata_port_map": fmt.Sprintf("0x%x", PCIMap[PCIAddr{Bus: 0, Dev: 0x1f, Func: 2}].ConfigDump[0x92]&0x3f), "p_cnt_throttling_supported": (FormatBool(FADT[104] == 1 && FADT[105] == 3)), "c2_latency": FormatHexLE16(FADT[96:98]), "docking_supported": (FormatBool((FADT[113] & (1 << 1)) != 0)), }, PCISlots: []PCISlot{ PCISlot{PCIAddr: PCIAddr{Dev: 0x14, Func: 0}, writeEmpty: false, additionalComment: "USB 3.0 Controller"}, 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: 0x19, Func: 0}, writeEmpty: true, additionalComment: "Intel Gigabit Ethernet"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1a, Func: 0}, writeEmpty: true, 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: true, additionalComment: "PCIe Port #7"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1c, Func: 7}, writeEmpty: true, additionalComment: "PCIe Port #8"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1d, Func: 0}, writeEmpty: true, additionalComment: "USB2 EHCI #1"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1e, Func: 0}, writeEmpty: true, additionalComment: "PCI bridge"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 0}, writeEmpty: true, additionalComment: "LPC bridge"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 2}, writeEmpty: true, additionalComment: "SATA Controller 1"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 3}, writeEmpty: true, additionalComment: "SMBus"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 5}, writeEmpty: true, additionalComment: "SATA Controller 2"}, PCISlot{PCIAddr: PCIAddr{Dev: 0x1f, Func: 6}, writeEmpty: true, additionalComment: "Thermal"}, }, } b.node = &cur xhciDev, ok := PCIMap[PCIAddr{Bus: 0, Dev: 0x14, Func: 0}] if ok { cur.Registers["xhci_switchable_ports"] = FormatHexLE32(xhciDev.ConfigDump[0xd4:0xd8]) cur.Registers["superspeed_capable_ports"] = FormatHexLE32(xhciDev.ConfigDump[0xdc:0xe0]) cur.Registers["xhci_overcurrent_mapping"] = FormatHexLE32(xhciDev.ConfigDump[0xc0:0xc4]) } PutPCIChip(addr, cur) PutPCIDevParent(addr, "PCI-LPC bridge", "lpc") DSDTIncludes = append(DSDTIncludes, DSDTInclude{ File: "southbridge/intel/bd82x6x/acpi/platform.asl", }) DSDTIncludes = append(DSDTIncludes, DSDTInclude{ File: "southbridge/intel/bd82x6x/acpi/globalnvs.asl", Comment: "global NVS and variables", }) DSDTIncludes = append(DSDTIncludes, DSDTInclude{ File: "southbridge/intel/bd82x6x/acpi/sleepstates.asl", }) DSDTPCI0Includes = append(DSDTPCI0Includes, DSDTInclude{ File: "southbridge/intel/bd82x6x/acpi/pch.asl", }, DSDTInclude{ File: "southbridge/intel/bd82x6x/acpi/default_irq_route.asl", }) sb := Create(ctx, "early_southbridge.c") defer sb.Close() AddROMStageFile("early_southbridge.c", "") sb.WriteString(`#include <stdint.h> #include <string.h> #include <lib.h> #include <timestamp.h> #include <arch/byteorder.h> #include <arch/io.h> #include <device/pci_def.h> #include <device/pnp_def.h> #include <cpu/x86/lapic.h> #include <arch/acpi.h> #include <console/console.h> #include "northbridge/intel/sandybridge/sandybridge.h" #include "northbridge/intel/sandybridge/raminit_native.h" #include "southbridge/intel/bd82x6x/pch.h" #include <southbridge/intel/common/gpio.h> #include <arch/cpu.h> #include <cpu/x86/msr.h> void pch_enable_lpc(void) { `) RestorePCI16Simple(sb, addr, 0x82) RestorePCI32Simple(sb, addr, 0x84) RestorePCI32Simple(sb, addr, 0x88) RestorePCI32Simple(sb, addr, 0x8c) RestorePCI32Simple(sb, addr, 0x90) RestorePCI16Simple(sb, addr, 0x80) RestorePCI32Simple(sb, addr, 0xac) sb.WriteString(`} void rcba_config(void) { /* Disable devices. */ `) RestoreRCBA32(sb, inteltool, 0x3414) RestoreRCBA32(sb, inteltool, 0x3418) sb.WriteString("\n}\n") sb.WriteString("const struct southbridge_usb_port mainboard_usb_ports[] = {\n") currentMap := map[uint32]int{ 0x20000153: 0, 0x20000f57: 1, 0x2000055b: 2, 0x20000f51: 3, 0x2000094a: 4, } for port := uint(0); port < 14; port++ { var pinmask uint32 OCPin := -1 if port < 8 { pinmask = inteltool.RCBA[0x35a0] } else { pinmask = inteltool.RCBA[0x35a4] } for pin := uint(0); pin < 4; pin++ { if ((pinmask >> ((port % 8) + 8*pin)) & 1) != 0 { OCPin = int(pin) if port >= 8 { OCPin += 4 } } } fmt.Fprintf(sb, "\t{ %d, %d, %d },\n", ((inteltool.RCBA[0x359c]>>port)&1)^1, currentMap[inteltool.RCBA[uint16(0x3500+4*port)]], OCPin) } sb.WriteString("};\n") guessedMap := GuessSPDMap(ctx) sb.WriteString(` void mainboard_early_init(int s3resume) { } void mainboard_config_superio(void) { } /* FIXME: Put proper SPD map here. */ void mainboard_get_spd(spd_raw_data *spd) { `) for i, spd := range guessedMap { fmt.Fprintf(sb, "\tread_spd(&spd[%d], 0x%02x);\n", i, spd) } sb.WriteString("}\n") gnvs := Create(ctx, "gnvs.c") defer gnvs.Close() gnvs.WriteString(`#include <southbridge/intel/bd82x6x/nvs.h> /* FIXME: check this function. */ void acpi_create_gnvs(global_nvs_t *gnvs) { /* Disable USB ports in S3 by default */ gnvs->s3u0 = 0; gnvs->s3u1 = 0; /* Disable USB ports in S5 by default */ gnvs->s5u0 = 0; gnvs->s5u1 = 0; // the lid is open by default. gnvs->lids = 1; gnvs->tcrt = 100; gnvs->tpsv = 90; } `) AddRAMStageFile("gnvs.c", "") } func init() { /* BD82X6X LPC */ for id := 0x1c40; id <= 0x1c5f; id++ { RegisterPCI(0x8086, uint16(id), bd82x6x{variant: "BD82X6X"}) } /* C216 LPC */ for id := 0x1e41; id <= 0x1e5f; id++ { RegisterPCI(0x8086, uint16(id), bd82x6x{variant: "C216"}) } /* PCIe bridge */ for _, id := range []uint16{ 0x1c10, 0x1c12, 0x1c14, 0x1c16, 0x1c18, 0x1c1a, 0x1c1c, 0x1c1e, 0x1e10, 0x1e12, 0x1e14, 0x1e16, 0x1e18, 0x1e1a, 0x1e1c, 0x1e1e, } { RegisterPCI(0x8086, id, GenericPCI{}) } /* SMBus controller */ RegisterPCI(0x8086, 0x1c22, GenericPCI{MissingParent: "smbus"}) RegisterPCI(0x8086, 0x1e22, GenericPCI{MissingParent: "smbus"}) /* SATA */ for _, id := range []uint16{ 0x1c00, 0x1c01, 0x1c02, 0x1c03, 0x1e00, 0x1e01, 0x1e02, 0x1e03, } { RegisterPCI(0x8086, id, GenericPCI{}) } /* EHCI */ for _, id := range []uint16{ 0x1c26, 0x1c2d, 0x1e26, 0x1e2d, } { RegisterPCI(0x8086, id, GenericPCI{}) } /* XHCI */ RegisterPCI(0x8086, 0x1e31, GenericPCI{}) /* ME and children */ for _, id := range []uint16{ 0x1c3a, 0x1c3b, 0x1c3c, 0x1c3d, 0x1e3a, 0x1e3b, 0x1e3c, 0x1e3d, } { RegisterPCI(0x8086, id, GenericPCI{}) } /* Ethernet */ RegisterPCI(0x8086, 0x1502, GenericPCI{}) }