coreboot-kgpe-d16/util/autoport/bd82x6x.go

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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/bd82x6x/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/bd82x6x/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(`
/* 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, id, bd82x6x{variant: "BD82X6X"})
}
/* C216 LPC */
for id := 0x1e41; id <= 0x1e5f; id++ {
RegisterPCI(0x8086, 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{})
}