diff options
| author | Patrick Georgi <patrick.georgi@secunet.com> | 2012-11-06 11:05:09 +0100 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-11-27 09:16:58 +0100 |
| commit | e72a8a3047c535bda03aecce2eca134608d1a93c (patch) | |
| tree | 24d0980742dfa5aba5c286c6d2236cfed0ff92f6 /src/southbridge/intel/i82801ix | |
| parent | 2efc8808b8bfaee0a0e8f3ee387ecd9a3f049705 (diff) | |
intel/i82801ix: new southbridge, ICH9
Add support for ICH9 southbridge
Change-Id: I70612431101bf48d9dcc96ee1b37d257c9ad2ee2
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1690
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/southbridge/intel/i82801ix')
31 files changed, 5950 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801ix/Kconfig b/src/southbridge/intel/i82801ix/Kconfig new file mode 100644 index 0000000000..ec30af8e76 --- /dev/null +++ b/src/southbridge/intel/i82801ix/Kconfig @@ -0,0 +1,48 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2008-2009 coresystems GmbH +## 2012 secunet security Networks AG +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +config SOUTHBRIDGE_INTEL_I82801IX + bool + select IOAPIC + select HAVE_USBDEBUG + select HAVE_HARD_RESET + select USE_WATCHDOG_ON_BOOT + select HAVE_SMI_HANDLER + +if SOUTHBRIDGE_INTEL_I82801IX + +config EHCI_BAR + hex + default 0xfef00000 + +config EHCI_DEBUG_OFFSET + hex + default 0xa0 + +config USBDEBUG_DEFAULT_PORT + int + default 1 + +config BOOTBLOCK_SOUTHBRIDGE_INIT + string + default "southbridge/intel/i82801ix/bootblock.c" + +endif + diff --git a/src/southbridge/intel/i82801ix/Makefile.inc b/src/southbridge/intel/i82801ix/Makefile.inc new file mode 100644 index 0000000000..2fd1967583 --- /dev/null +++ b/src/southbridge/intel/i82801ix/Makefile.inc @@ -0,0 +1,42 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2008-2009 coresystems GmbH +## 2012 secunet Security Networks AG +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +driver-y += i82801ix.c +driver-y += pci.c +driver-y += lpc.c +driver-y += pcie.c +driver-y += usb_ehci.c +driver-y += sata.c +driver-y += hdaudio.c +driver-y += thermal.c + +ramstage-y += ../i82801gx/usb_debug.c +ramstage-y += ../i82801gx/reset.c +ramstage-y += ../i82801gx/watchdog.c + +ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c +smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c + +romstage-y += early_init.c +romstage-y += early_smbus.c +romstage-y += dmi_setup.c +romstage-$(CONFIG_USBDEBUG) += ../i82801gx/usb_debug.c +smm-$(CONFIG_USBDEBUG) += ../i82801gx/usb_debug.c + diff --git a/src/southbridge/intel/i82801ix/acpi/audio.asl b/src/southbridge/intel/i82801ix/acpi/audio.asl new file mode 100644 index 0000000000..e7f501978a --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/audio.asl @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +/* Intel i82801I HDA */ + +// Intel High Definition Audio (Azalia) 0:1b.0 + +Device (HDEF) +{ + Name (_ADR, 0x001b0000) + + // Power Resources for Wake + Name (_PRW, Package(){ + 5, // Bit 5 of GPE + 4 // Can wake from S4 state. + }) +} + diff --git a/src/southbridge/intel/i82801ix/acpi/globalnvs.asl b/src/southbridge/intel/i82801ix/acpi/globalnvs.asl new file mode 100644 index 0000000000..0384376417 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/globalnvs.asl @@ -0,0 +1,171 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +/* Global Variables */ + +Name(\PICM, 0) // IOAPIC/8259 +Name(\DSEN, 1) // Display Output Switching Enable + +/* Global ACPI memory region. This region is used for passing information + * between coreboot (aka "the system bios"), ACPI, and the SMI handler. + * Since we don't know where this will end up in memory at ACPI compile time, + * we have to fix it up in coreboot's ACPI creation phase. + */ + + +OperationRegion (GNVS, SystemMemory, 0xC0DEBABE, 0x100) +Field (GNVS, ByteAcc, NoLock, Preserve) +{ + /* Miscellaneous */ + Offset (0x00), + OSYS, 16, // 0x00 - Operating System + SMIF, 8, // 0x02 - SMI function + PRM0, 8, // 0x03 - SMI function parameter + PRM1, 8, // 0x04 - SMI function parameter + SCIF, 8, // 0x05 - SCI function + PRM2, 8, // 0x06 - SCI function parameter + PRM3, 8, // 0x07 - SCI function parameter + LCKF, 8, // 0x08 - Global Lock function for EC + PRM4, 8, // 0x09 - Lock function parameter + PRM5, 8, // 0x0a - Lock function parameter + P80D, 32, // 0x0b - Debug port (IO 0x80) value + LIDS, 8, // 0x0f - LID state (open = 1) + PWRS, 8, // 0x10 - Power State (AC = 1) + DBGS, 8, // 0x11 - Debug State + LINX, 8, // 0x12 - Linux OS + DCKN, 8, // 0x13 - PCIe docking state + /* Thermal policy */ + Offset (0x14), + ACTT, 8, // 0x14 - active trip point + PSVT, 8, // 0x15 - passive trip point + TC1V, 8, // 0x16 - passive trip point TC1 + TC2V, 8, // 0x17 - passive trip point TC2 + TSPV, 8, // 0x18 - passive trip point TSP + CRTT, 8, // 0x19 - critical trip point + DTSE, 8, // 0x1a - Digital Thermal Sensor enable + DTS1, 8, // 0x1b - DT sensor 1 + DTS2, 8, // 0x1c - DT sensor 2 + /* Battery Support */ + Offset (0x1e), + BNUM, 8, // 0x1e - number of batteries + B0SC, 8, // 0x1f - BAT0 stored capacity + B1SC, 8, // 0x20 - BAT1 stored capacity + B2SC, 8, // 0x21 - BAT2 stored capacity + B0SS, 8, // 0x22 - BAT0 stored status + B1SS, 8, // 0x23 - BAT1 stored status + B2SS, 8, // 0x24 - BAT2 stored status + /* Processor Identification */ + Offset (0x28), + APIC, 8, // 0x28 - APIC Enabled by coreboot + MPEN, 8, // 0x29 - Multi Processor Enable + PCP0, 8, // 0x2a - PDC CPU/CORE 0 + PCP1, 8, // 0x2b - PDC CPU/CORE 1 + PPCM, 8, // 0x2c - Max. PPC state + /* Super I/O & CMOS config */ + Offset (0x32), + NATP, 8, // 0x32 - + CMAP, 8, // 0x33 - + CMBP, 8, // 0x34 - + LPTP, 8, // 0x35 - LPT Port + FDCP, 8, // 0x36 - Floppy Disk Controller + RFDV, 8, // 0x37 - + HOTK, 8, // 0x38 - + RTCF, 8, // 0x39 - + UTIL, 8, // 0x3a - + ACIN, 8, // 0x3b - + /* Integrated Graphics Device */ + Offset (0x3c), + IGDS, 8, // 0x3c - IGD state (primary = 1) + TLST, 8, // 0x3d - Display Toggle List pointer + CADL, 8, // 0x3e - Currently Attached Devices List + PADL, 8, // 0x3f - Previously Attached Devices List + CSTE, 16, // 0x40 - Current display state + NSTE, 16, // 0x42 - Next display state + SSTE, 16, // 0x44 - Set display state + Offset (0x46), + NDID, 8, // 0x46 - Number of Device IDs + DID1, 32, // 0x47 - Device ID 1 + DID2, 32, // 0x4b - Device ID 2 + DID3, 32, // 0x4f - Device ID 3 + DID4, 32, // 0x53 - Device ID 4 + DID5, 32, // 0x57 - Device ID 5 + /* Backlight Control */ + Offset (0x64), + BLCS, 8, // 0x64 - Backlight control possible? + BRTL, 8, // 0x65 - Brightness Level + ODDS, 8, // 0x66 + /* Ambient Light Sensors */ + Offset (0x6e), + ALSE, 8, // 0x6e - ALS enable + ALAF, 8, // 0x6f - Ambient light adjustment factor + LLOW, 8, // 0x70 - LUX Low + LHIH, 8, // 0x71 - LUX High + /* EMA */ + Offset (0x78), + EMAE, 8, // 0x78 - EMA enable + EMAP, 16, // 0x79 - EMA pointer + EMAL, 16, // 0x7b - EMA length + /* MEF */ + Offset (0x82), + MEFE, 8, // 0x82 - MEF enable + /* TPM support */ + Offset (0x8c), + TPMP, 8, // 0x8c - TPM + TPME, 8, // 0x8d - TPM enable + /* SATA */ + Offset (0x96), + GTF0, 56, // 0x96 - GTF task file buffer for port 0 + GTF1, 56, // 0x9d - GTF task file buffer for port 1 + GTF2, 56, // 0xa4 - GTF task file buffer for port 2 + IDEM, 8, // 0xab - IDE mode (compatible / enhanced) + IDET, 8, // 0xac - IDE + /* IGD OpRegion */ + Offset (0xb4), + ASLB, 32, // 0xb4 - IGD OpRegion Base Address + IBTT, 8, // 0xb8 - IGD boot panel device + IPAT, 8, // 0xb9 - IGD panel type cmos option + ITVF, 8, // 0xba - IGD TV format cmos option + ITVM, 8, // 0xbb - IGD TV minor format option + IPSC, 8, // 0xbc - IGD panel scaling + IBLC, 8, // 0xbd - IGD BLC config + IBIA, 8, // 0xbe - IGD BIA config + ISSC, 8, // 0xbf - IGD SSC config + I409, 8, // 0xc0 - IGD 0409 modified settings + I509, 8, // 0xc1 - IGD 0509 modified settings + I609, 8, // 0xc2 - IGD 0609 modified settings + I709, 8, // 0xc3 - IGD 0709 modified settings + IDMM, 8, // 0xc4 - IGD DVMT Mode + IDMS, 8, // 0xc5 - IGD DVMT memory size + IF1E, 8, // 0xc6 - IGD function 1 enable + HVCO, 8, // 0xc7 - IGD HPLL VCO + NXD1, 32, // 0xc8 - IGD _DGS next DID1 + NXD2, 32, // 0xcc - IGD _DGS next DID2 + NXD3, 32, // 0xd0 - IGD _DGS next DID3 + NXD4, 32, // 0xd4 - IGD _DGS next DID4 + NXD5, 32, // 0xd8 - IGD _DGS next DID5 + NXD6, 32, // 0xdc - IGD _DGS next DID6 + NXD7, 32, // 0xe0 - IGD _DGS next DID7 + NXD8, 32, // 0xe4 - IGD _DGS next DID8 + /* Mainboard Specific (TODO move elsewhere) */ + Offset (0xf0), + DOCK, 8, // 0xf0 - Docking Status + BTEN, 8, // 0xf1 - Bluetooth Enable +} diff --git a/src/southbridge/intel/i82801ix/acpi/ich9.asl b/src/southbridge/intel/i82801ix/acpi/ich9.asl new file mode 100644 index 0000000000..8ded413246 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/ich9.asl @@ -0,0 +1,208 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +/* Intel 82801Ix support */ + +Scope(\) +{ + // IO-Trap at 0x800. This is the ACPI->SMI communication interface. + + OperationRegion(IO_T, SystemIO, 0x800, 0x10) + Field(IO_T, ByteAcc, NoLock, Preserve) + { + Offset(0x8), + TRP0, 8 // IO-Trap at 0x808 + } + + // ICH9 Power Management Registers, located at PMBASE (0x1f.0 0x40.l) + OperationRegion(PMIO, SystemIO, DEFAULT_PMBASE, 0x80) + Field(PMIO, ByteAcc, NoLock, Preserve) + { + Offset(0x11), + THRO, 1, // force thermal throttling + Offset(0x42), // General Purpose Control + , 1, // skip 1 bit + GPEC, 1, // TCO status + Offset(0x64), + , 9, // skip 9 more bits + SCIS, 1 // TCO DMI status + } + + // FIXME: purposes of the GPIOs (comments) are probably wrong + // ICH9 GPIO IO mapped registers (0x1f.0 reg 0x48.l) + OperationRegion(GPIO, SystemIO, DEFAULT_GPIOBASE, 0x3c) + Field(GPIO, ByteAcc, NoLock, Preserve) + { + Offset(0x00), // GPIO Use Select + GU00, 8, + GU01, 8, + GU02, 8, + GU03, 8, + Offset(0x04), // GPIO IO Select + GIO0, 8, + GIO1, 8, + GIO2, 8, + GIO3, 8, + Offset(0x0c), // GPIO Level + GP00, 1, + GP01, 1, + GP02, 1, + GP03, 1, + GP04, 1, + GP05, 1, + GP06, 1, // GDET + GP07, 1, + GP08, 1, + GP09, 1, // HPMU + GP10, 1, // GPSE + GP11, 1, + GP12, 1, // WLED + GP13, 1, // BLED + GP14, 1, // GLED + GP15, 1, // GDIS + GP16, 1, + GP17, 1, + GP18, 1, // SPCI + GP19, 1, // TSDT + GP20, 1, // SCPU + GP21, 1, + GP22, 1, + GP23, 1, // LANP + GP24, 1, // DKLR + GP25, 1, // WLAN + GP26, 1, // SATA_PWR_EN #0 / SPOF + GP27, 1, // SATA_PWR_EN #1 / SPMU + GP28, 1, + GP29, 1, + GP30, 1, + GP31, 1, + Offset(0x18), // GPIO Blink + GB00, 8, + GB01, 8, + GB02, 8, + GB03, 8, + Offset(0x2c), // GPIO Invert + GIV0, 8, + GIV1, 8, + GIV2, 8, + GIV3, 8, + Offset(0x30), // GPIO Use Select 2 + GU04, 8, + GU05, 8, + GU06, 8, + GU07, 8, + Offset(0x34), // GPIO IO Select 2 + GIO4, 8, + GIO5, 8, + GIO6, 8, + GIO7, 8, + Offset(0x38), // GPIO Level 2 + GP32, 1, + GP33, 1, // CREN + GP34, 1, // CRRS + GP35, 1, + GP36, 1, // STAD + GP37, 1, // PATA_PWR_EN / HDDE + GP38, 1, // Battery / Power (?) / MB00 + GP39, 1, // ?? / MB01 + GL05, 8, + GL06, 8, + GL07, 8 + } + + + // ICH9 Root Complex Register Block. Memory Mapped through RCBA) + OperationRegion(RCRB, SystemMemory, DEFAULT_RCBA, 0x4000) + Field(RCRB, DWordAcc, Lock, Preserve) + { + Offset(0x0000), // Backbone + Offset(0x1000), // Chipset + Offset(0x3000), // Legacy Configuration Registers + Offset(0x3404), // High Performance Timer Configuration + HPAS, 2, // Address Select + , 5, + HPTE, 1, // Address Enable + Offset(0x3418), // FD (Function Disable) + , 2, // Reserved + SA1D, 1, // SATA disable + SMBD, 1, // SMBUS disable + HDAD, 1, // Azalia disable + , 2, // Reserved + US6D, 1, // UHCI #6 disable + US1D, 1, // UHCI #1 disable + US2D, 1, // UHCI #2 disable + US3D, 1, // UHCI #3 disable + US4D, 1, // UHCI #4 disable + US5D, 1, // UHCI #5 disable + EH2D, 1, // EHCI disable + LPBD, 1, // LPC bridge disable + EH1D, 1, // EHCI disable + Offset(0x341a), // FD Root Ports + RP1D, 1, // Root Port 1 disable + RP2D, 1, // Root Port 2 disable + RP3D, 1, // Root Port 3 disable + RP4D, 1, // Root Port 4 disable + RP5D, 1, // Root Port 5 disable + RP6D, 1, // Root Port 6 disable + , 2, // Reserved + THRD, 1, // Thermal Throttle disable + SA2D, 1, // SATA disable + } + +} + +// 0:1b.0 High Definition Audio (Azalia) +#include "audio.asl" + +// PCI Express Ports +#include "pcie.asl" + +// USB +#include "usb.asl" + +// PCI Bridge +#include "pci.asl" + +// LPC Bridge +#include "lpc.asl" + +// SATA +#include "sata.asl" + +// SMBus +#include "smbus.asl" + +Method (_OSC, 4) +{ + /* Check for proper GUID */ + If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) + { + /* Let OS control everything */ + Return (Arg3) + } + Else + { + /* Unrecognized UUID */ + CreateDWordField (Arg3, 0, CDW1) + Or (CDW1, 4, CDW1) + Return (Arg3) + } +} diff --git a/src/southbridge/intel/i82801ix/acpi/irqlinks.asl b/src/southbridge/intel/i82801ix/acpi/irqlinks.asl new file mode 100644 index 0000000000..5fcee45f29 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/irqlinks.asl @@ -0,0 +1,493 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +Device (LNKA) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 1) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTA) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLA, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLA, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTA + ShiftLeft(1, And(PRTA, 0x0f), IRQ0) + + Return (RTLA) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTA) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTA, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKB) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 2) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTB) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLB, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLB, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTB + ShiftLeft(1, And(PRTB, 0x0f), IRQ0) + + Return (RTLB) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTB) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTB, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKC) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 3) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTC) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLC, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLC, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTC + ShiftLeft(1, And(PRTC, 0x0f), IRQ0) + + Return (RTLC) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTC) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTC, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKD) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 4) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTD) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLD, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLD, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTD + ShiftLeft(1, And(PRTD, 0x0f), IRQ0) + + Return (RTLD) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTD) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTD, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKE) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 5) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTE) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLE, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLE, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTE + ShiftLeft(1, And(PRTE, 0x0f), IRQ0) + + Return (RTLE) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTE) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTE, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKF) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 6) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTF) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLF, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLF, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTF + ShiftLeft(1, And(PRTF, 0x0f), IRQ0) + + Return (RTLF) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTF) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTF, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKG) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 7) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTG) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 10, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLG, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLG, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTG + ShiftLeft(1, And(PRTG, 0x0f), IRQ0) + + Return (RTLG) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTG) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTG, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + +Device (LNKH) +{ + Name (_HID, EISAID("PNP0C0F")) + Name (_UID, 8) + + // Disable method + Method (_DIS, 0, Serialized) + { + Store (0x80, PRTH) + } + + // Possible Resource Settings for this Link + Name (_PRS, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) + { 1, 3, 4, 5, 6, 7, 11, 12, 14, 15 } + }) + + // Current Resource Settings for this link + Method (_CRS, 0, Serialized) + { + Name (RTLH, ResourceTemplate() + { + IRQ(Level, ActiveLow, Shared) {} + }) + CreateWordField(RTLH, 1, IRQ0) + + // Clear the WordField + Store (Zero, IRQ0) + + // Set the bit from PRTH + ShiftLeft(1, And(PRTH, 0x0f), IRQ0) + + Return (RTLH) + } + + // Set Resource Setting for this IRQ link + Method (_SRS, 1, Serialized) + { + CreateWordField(Arg0, 1, IRQ0) + + // Which bit is set? + FindSetRightBit(IRQ0, Local0) + + Decrement(Local0) + Store(Local0, PRTH) + } + + // Status + Method (_STA, 0, Serialized) + { + If(And(PRTH, 0x80)) { + Return (0x9) + } Else { + Return (0xb) + } + } +} + diff --git a/src/southbridge/intel/i82801ix/acpi/lpc.asl b/src/southbridge/intel/i82801ix/acpi/lpc.asl new file mode 100644 index 0000000000..0d1e68ab16 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/lpc.asl @@ -0,0 +1,290 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +// Intel LPC Bus Device - 0:1f.0 + +Device (LPCB) +{ + Name(_ADR, 0x001f0000) + + OperationRegion(LPC0, PCI_Config, 0x00, 0x100) + Field (LPC0, AnyAcc, NoLock, Preserve) + { + Offset (0x40), + PMBS, 16, // PMBASE + Offset (0x60), // Interrupt Routing Registers + PRTA, 8, + PRTB, 8, + PRTC, 8, + PRTD, 8, + Offset (0x68), + PRTE, 8, + PRTF, 8, + PRTG, 8, + PRTH, 8, + + Offset (0x80), // IO Decode Ranges + IOD0, 8, + IOD1, 8, + + Offset (0xf0), // RCBA + RCEN, 1, + , 13, + RCBA, 18, + } + + #include "irqlinks.asl" + + #include "acpi/ec.asl" + + Device (DMAC) // DMA Controller + { + Name(_HID, EISAID("PNP0200")) + Name(_CRS, ResourceTemplate() + { + IO (Decode16, 0x00, 0x00, 0x01, 0x20) + IO (Decode16, 0x81, 0x81, 0x01, 0x11) + IO (Decode16, 0x93, 0x93, 0x01, 0x0d) + IO (Decode16, 0xc0, 0xc0, 0x01, 0x20) + DMA (Compatibility, NotBusMaster, Transfer8_16) { 4 } + }) + } + + Device (FWH) // Firmware Hub + { + Name (_HID, EISAID("INT0800")) + Name (_CRS, ResourceTemplate() + { + Memory32Fixed(ReadOnly, 0xff000000, 0x01000000) + }) + } + + Device (HPET) + { + Name (_HID, EISAID("PNP0103")) + Name (_CID, 0x010CD041) + + Name(BUF0, ResourceTemplate() + { + Memory32Fixed(ReadOnly, 0xfed00000, 0x400, FED0) + }) + + Method (_STA, 0) // Device Status + { + If (HPTE) { + // Note: Ancient versions of Windows don't want + // to see the HPET in order to work right + If (LGreaterEqual(OSYS, 2001)) { + Return (0xf) // Enable and show device + } Else { + Return (0xb) // Enable and don't show device + } + } + + Return (0x0) // Not enabled, don't show. + } + + Method (_CRS, 0, Serialized) // Current resources + { + If (HPTE) { + CreateDWordField(BUF0, \_SB.PCI0.LPCB.HPET.FED0._BAS, HPT0) + If (Lequal(HPAS, 1)) { + Store(0xfed01000, HPT0) + } + + If (Lequal(HPAS, 2)) { + Store(0xfed02000, HPT0) + } + + If (Lequal(HPAS, 3)) { + Store(0xfed03000, HPT0) + } + } + + Return (BUF0) + } + } + + Device(PIC) // 8259 Interrupt Controller + { + Name(_HID,EISAID("PNP0000")) + Name(_CRS, ResourceTemplate() + { + IO (Decode16, 0x20, 0x20, 0x01, 0x02) + IO (Decode16, 0x24, 0x24, 0x01, 0x02) + IO (Decode16, 0x28, 0x28, 0x01, 0x02) + IO (Decode16, 0x2c, 0x2c, 0x01, 0x02) + IO (Decode16, 0x30, 0x30, 0x01, 0x02) + IO (Decode16, 0x34, 0x34, 0x01, 0x02) + IO (Decode16, 0x38, 0x38, 0x01, 0x02) + IO (Decode16, 0x3c, 0x3c, 0x01, 0x02) + IO (Decode16, 0xa0, 0xa0, 0x01, 0x02) + IO (Decode16, 0xa4, 0xa4, 0x01, 0x02) + IO (Decode16, 0xa8, 0xa8, 0x01, 0x02) + IO (Decode16, 0xac, 0xac, 0x01, 0x02) + IO (Decode16, 0xb0, 0xb0, 0x01, 0x02) + IO (Decode16, 0xb4, 0xb4, 0x01, 0x02) + IO (Decode16, 0xb8, 0xb8, 0x01, 0x02) + IO (Decode16, 0xbc, 0xbc, 0x01, 0x02) + IO (Decode16, 0x4d0, 0x4d0, 0x01, 0x02) + IRQNoFlags () { 2 } + }) + } + + Device(MATH) // FPU + { + Name (_HID, EISAID("PNP0C04")) + Name (_CRS, ResourceTemplate() + { + IO (Decode16, 0xf0, 0xf0, 0x01, 0x01) + IRQNoFlags() { 13 } + }) + } + + Device(LDRC) // LPC device: Resource consumption + { + Name (_HID, EISAID("PNP0C02")) + Name (_UID, 2) + Name (_CRS, ResourceTemplate() + { + IO (Decode16, 0x2e, 0x2e, 0x1, 0x02) // First SuperIO + IO (Decode16, 0x4e, 0x4e, 0x1, 0x02) // Second SuperIO + IO (Decode16, 0x61, 0x61, 0x1, 0x01) // NMI Status + IO (Decode16, 0x63, 0x63, 0x1, 0x01) // CPU Reserved + IO (Decode16, 0x65, 0x65, 0x1, 0x01) // CPU Reserved + IO (Decode16, 0x67, 0x67, 0x1, 0x01) // CPU Reserved + IO (Decode16, 0x80, 0x80, 0x1, 0x01) // Port 80 Post + IO (Decode16, 0x92, 0x92, 0x1, 0x01) // CPU Reserved + IO (Decode16, 0xb2, 0xb2, 0x1, 0x02) // SWSMI + IO (Decode16, 0x800, 0x800, 0x1, 0x10) // ACPI I/O trap + IO (Decode16, DEFAULT_PMBASE, DEFAULT_PMBASE, 0x1, 0x80) // ICH9 ACPI + IO (Decode16, DEFAULT_GPIOBASE, DEFAULT_GPIOBASE, 0x1, 0x40) // ICH9 GPIO + }) + } + + Device (RTC) // Real Time Clock + { + Name (_HID, EISAID("PNP0B00")) + Name (_CRS, ResourceTemplate() + { + IO (Decode16, 0x70, 0x70, 1, 8) +// Disable as Windows doesn't like it, and systems don't seem to use it. +// IRQNoFlags() { 8 } + }) + } + + Device (TIMR) // Intel 8254 timer + { + Name(_HID, EISAID("PNP0100")) + Name(_CRS, ResourceTemplate() + { + IO (Decode16, 0x40, 0x40, 0x01, 0x04) + IO (Decode16, 0x50, 0x50, 0x10, 0x04) + IRQNoFlags() {0} + }) + } + + #include "acpi/superio.asl" + +#ifdef ENABLE_TPM + Device (TPM) // Trusted Platform Module + { + Name(_HID, EISAID("IFX0102")) + Name(_CID, 0x310cd041) + Name(_UID, 1) + + Method(_STA, 0) + { + If (TPMP) { + Return (0xf) + } + Return (0x0) + } + + Name(_CRS, ResourceTemplate() { + IO (Decode16, 0x2e, 0x2e, 0x01, 0x02) + IO (Decode16, 0x6f0, 0x6f0, 0x01, 0x10) + Memory32Fixed (ReadWrite, 0xfed40000, 0x5000) + IRQ (Edge, Activehigh, Exclusive) { 6 } + }) + } +#endif + + Device (PS2K) // Keyboard + { + Name(_HID, EISAID("PNP0303")) + Name(_CID, EISAID("PNP030B")) + + Name(_CRS, ResourceTemplate() + { + IO (Decode16, 0x60, 0x60, 0x01, 0x01) + IO (Decode16, 0x64, 0x64, 0x01, 0x01) + IRQ (Edge, ActiveHigh, Exclusive) { 0x01 } // IRQ 1 + }) + + Method (_STA, 0) + { + Return (0xf) + } + } + + Device (PS2M) // Mouse + { + Name(_HID, EISAID("PNP0F13")) + Name(_CRS, ResourceTemplate() + { + IRQ (Edge, ActiveHigh, Exclusive) { 0x0c } // IRQ 12 + }) + + Method(_STA, 0) + { + Return (0xf) + } + } + +#ifdef ENABLE_FDC + Device (FDC0) // Floppy controller + { + Name (_HID, EisaId ("PNP0700")) + Method (_STA, 0, NotSerialized) + { + Return (0x0f) // FIXME + } + + Name(_CRS, ResourceTemplate() + { + IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x06) + IO (Decode16, 0x03F7, 0x03F7, 0x01, 0x01) + IRQNoFlags () {6} + DMA (Compatibility, NotBusMaster, Transfer8) {2} + }) + + Name(_PRS, ResourceTemplate() + { + IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x06) + IO (Decode16, 0x03F7, 0x03F7, 0x01, 0x01) + IRQNoFlags () {6} + DMA (Compatibility, NotBusMaster, Transfer8) {2} + }) + + } +#endif +} diff --git a/src/southbridge/intel/i82801ix/acpi/pci.asl b/src/southbridge/intel/i82801ix/acpi/pci.asl new file mode 100644 index 0000000000..8699c48750 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/pci.asl @@ -0,0 +1,77 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +// Intel PCI to PCI bridge 0:1e.0 + +Device (PCIB) +{ + Name (_ADR, 0x001e0000) + + Device (SLT1) + { + Name (_ADR, 0x00000000) + Name (_PRW, Package(){ 11, 4 }) + } + + Device (SLT2) + { + Name (_ADR, 0x00010000) + Name (_PRW, Package(){ 11, 4 }) + } + + Device (SLT3) + { + Name (_ADR, 0x00020000) + Name (_PRW, Package(){ 11, 4 }) + } + + Device (SLT6) + { + Name (_ADR, 0x00050000) + Name (_PRW, Package(){ 11, 4 }) + } + + Device (LANC) + { + Name (_ADR, 0x00080000) + Name (_PRW, Package(){ 11, 3 }) + } + + Device (LANR) + { + Name (_ADR, 0x00000000) + Name (_PRW, Package(){ 11, 3 }) + } + + // TODO: How many slots, where? + + // PCI Interrupt Routing. + // If PICM is set, interrupts are routed over the i8259, otherwise + // over the IOAPIC. (Really? If they're above 15 they need to be routed + // fixed over the IOAPIC?) + + Method (_PRT) + { + #include "acpi/ich9_pci_irqs.asl" + } + +} + diff --git a/src/southbridge/intel/i82801ix/acpi/pcie.asl b/src/southbridge/intel/i82801ix/acpi/pcie.asl new file mode 100644 index 0000000000..a76c7fbe4d --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/pcie.asl @@ -0,0 +1,186 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +/* Intel i82801G PCIe support */ + +// PCI Express Ports + +Device (RP01) +{ + NAME(_ADR, 0x001c0000) // FIXME: Have a macro for PCI Devices -> ACPI notation? + //#include "pcie_port.asl" + Method(_PRT) + { + If (PICM) { + Return (Package() { + Package() { 0x0000ffff, 0, 0, 16 }, + Package() { 0x0000ffff, 1, 0, 17 }, + Package() { 0x0000ffff, 2, 0, 18 }, + Package() { 0x0000ffff, 3, 0, 19 } + }) + } Else { + Return (Package() { + Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 }, + Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 }, + Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 }, + Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 } + }) + + } + + } +} + +Device (RP02) +{ + NAME(_ADR, 0x001c0001) // FIXME: Have a macro for PCI Devices -> ACPI notation? + //#include "pcie_port.asl" + Method(_PRT) + { + If (PICM) { + Return (Package() { + Package() { 0x0000ffff, 0, 0, 17 }, + Package() { 0x0000ffff, 1, 0, 18 }, + Package() { 0x0000ffff, 2, 0, 19 }, + Package() { 0x0000ffff, 3, 0, 16 } + }) + } Else { + Return (Package() { + Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 }, + Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 }, + Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 }, + Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 } + }) + + } + + } +} + + +Device (RP03) +{ + NAME(_ADR, 0x001c0002) // FIXME: Have a macro for PCI Devices -> ACPI notation? + //#include "pcie_port.asl" + Method(_PRT) + { + If (PICM) { + Return (Package() { + Package() { 0x0000ffff, 0, 0, 18 }, + Package() { 0x0000ffff, 1, 0, 19 }, + Package() { 0x0000ffff, 2, 0, 16 }, + Package() { 0x0000ffff, 3, 0, 17 } + }) + } Else { + Return (Package() { + Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 }, + Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKD, 0 }, + Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKA, 0 }, + Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKB, 0 } + }) + + } + + } +} + + +Device (RP04) +{ + NAME(_ADR, 0x001c0003) // FIXME: Have a macro for PCI Devices -> ACPI notation? + //#include "pcie_port.asl" + Method(_PRT) + { + If (PICM) { + Return (Package() { + Package() { 0x0000ffff, 0, 0, 19 }, + Package() { 0x0000ffff, 1, 0, 16 }, + Package() { 0x0000ffff, 2, 0, 17 }, + Package() { 0x0000ffff, 3, 0, 18 } + }) + } Else { + Return (Package() { + Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKD, 0 }, + Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKA, 0 }, + Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKB, 0 }, + Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKC, 0 } + }) + + } + + } +} + + +Device (RP05) +{ + NAME(_ADR, 0x001c0004) // FIXME: Have a macro for PCI Devices -> ACPI notation? + //#include "pcie_port.asl" + Method(_PRT) + { + If (PICM) { + Return (Package() { + Package() { 0x0000ffff, 0, 0, 16 }, + Package() { 0x0000ffff, 1, 0, 17 }, + Package() { 0x0000ffff, 2, 0, 18 }, + Package() { 0x0000ffff, 3, 0, 19 } + }) + } Else { + Return (Package() { + Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 }, + Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0 }, + Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0 }, + Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0 } + }) + + } + + } +} + + +Device (RP06) +{ + NAME(_ADR, 0x001c0005) // FIXME: Have a macro for PCI Devices -> ACPI notation? + //#include "pcie_port.asl" + Method(_PRT) + { + If (PICM) { + Return (Package() { + Package() { 0x0000ffff, 0, 0, 17 }, + Package() { 0x0000ffff, 1, 0, 18 }, + Package() { 0x0000ffff, 2, 0, 19 }, + Package() { 0x0000ffff, 3, 0, 16 } + }) + } Else { + Return (Package() { + Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 }, + Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKC, 0 }, + Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKD, 0 }, + Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKA, 0 } + }) + + } + + } +} + + diff --git a/src/southbridge/intel/i82801ix/acpi/sata.asl b/src/southbridge/intel/i82801ix/acpi/sata.asl new file mode 100644 index 0000000000..dbf6b9e51b --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/sata.asl @@ -0,0 +1,142 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +// Note: Some BIOSes put the S-ATA code into an SSDT to make it easily +// pluggable + +// Intel SATA Controller 0:1f.2 + +Device (AHC1) +{ + Name (_ADR, 0x001f0002) + + Device (PRID) + { + Name (_ADR, 0) + + // Get Timing Mode + Method (_GTM) + { + Name(PBUF, Buffer(20) { + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00 }) + + CreateDwordField (PBUF, 0, PIO0) + CreateDwordField (PBUF, 4, DMA0) + CreateDwordField (PBUF, 8, PIO1) + CreateDwordField (PBUF, 12, DMA1) + CreateDwordField (PBUF, 16, FLAG) + + // TODO fill return structure + + Return (PBUF) + } + + // Set Timing Mode + Method (_STM, 3) + { + CreateDwordField (Arg0, 0, PIO0) + CreateDwordField (Arg0, 4, DMA0) + CreateDwordField (Arg0, 8, PIO1) + CreateDwordField (Arg0, 12, DMA1) + CreateDwordField (Arg0, 16, FLAG) + + // TODO: Do the deed + } + + Device (DSK0) + { + Name (_ADR, 0) + // TODO: _RMV ? + // TODO: _GTF ? + } + + Device (DSK1) + { + Name (_ADR, 1) + + // TODO: _RMV ? + // TODO: _GTF ? + } + + } +} + +// Intel SATA Controller 0:1f.5 + +Device (AHC2) +{ + Name (_ADR, 0x001f0005) + + Device (PRID) + { + Name (_ADR, 0) + + // Get Timing Mode + Method (_GTM) + { + Name(PBUF, Buffer(20) { + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00 }) + + CreateDwordField (PBUF, 0, PIO0) + CreateDwordField (PBUF, 4, DMA0) + CreateDwordField (PBUF, 8, PIO1) + CreateDwordField (PBUF, 12, DMA1) + CreateDwordField (PBUF, 16, FLAG) + + // TODO fill return structure + + Return (PBUF) + } + + // Set Timing Mode + Method (_STM, 3) + { + CreateDwordField (Arg0, 0, PIO0) + CreateDwordField (Arg0, 4, DMA0) + CreateDwordField (Arg0, 8, PIO1) + CreateDwordField (Arg0, 12, DMA1) + CreateDwordField (Arg0, 16, FLAG) + + // TODO: Do the deed + } + + Device (DSK0) + { + Name (_ADR, 0) + // TODO: _RMV ? + // TODO: _GTF ? + } + + Device (DSK1) + { + Name (_ADR, 1) + + // TODO: _RMV ? + // TODO: _GTF ? + } + + } +} + diff --git a/src/southbridge/intel/i82801ix/acpi/sleepstates.asl b/src/southbridge/intel/i82801ix/acpi/sleepstates.asl new file mode 100644 index 0000000000..e8dadc23c2 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/sleepstates.asl @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +Name(\_S0, Package(){0x0,0x0,0x0,0x0}) +#if !CONFIG_HAVE_ACPI_RESUME +Name(\_S1, Package(){0x1,0x0,0x0,0x0}) +#else +Name(\_S3, Package(){0x5,0x0,0x0,0x0}) +#endif +Name(\_S4, Package(){0x6,0x0,0x0,0x0}) +Name(\_S5, Package(){0x7,0x0,0x0,0x0}) + diff --git a/src/southbridge/intel/i82801ix/acpi/smbus.asl b/src/southbridge/intel/i82801ix/acpi/smbus.asl new file mode 100644 index 0000000000..b6d2d6a2ab --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/smbus.asl @@ -0,0 +1,242 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +// Intel SMBus Controller 0:1f.3 + +Device (SBUS) +{ + Name (_ADR, 0x001f0003) + + OperationRegion (SMBP, PCI_Config, 0x00, 0x100) + Field(SMBP, DWordAcc, NoLock, Preserve) + { + Offset(0x40), + , 2, + I2CE, 1 + } + + OperationRegion (SMBI, SystemIO, 0x400, 0x20) + Field (SMBI, ByteAcc, NoLock, Preserve) + { + HSTS, 8, // Host Status + , 8, + HCNT, 8, // Host Control + HCMD, 8, // Host Command + TXSA, 8, // Transmit Slave Address + DAT0, 8, // Host Data 0 + DAT1, 8, // Host Data 1 + HBDB, 8, // Host Block Data Byte + PECK, 8, // Packet Error Check + RXSA, 8, // Receive Slave Address + RXDA, 16, // Receive Slave Data + AUXS, 8, // Auxiliary Status + AUXC, 8, // Auxiliary Control + SLPC, 8, // SMLink Pin Control + SBPC, 8, // SMBus Pin Control + SSTS, 8, // Slave Status + SCMD, 8, // Slave Command + NADR, 8, // Notify Device Address + NDLB, 8, // Notify Data Low Byte + NDLH, 8, // Notify Data High Byte + } + +#ifdef ENABLE_SMBUS_METHODS + // Kill all SMBus communication + Method (KILL, 0, Serialized) + { + Or (HCNT, 0x02, HCNT) // Send Kill + Or (HSTS, 0xff, HSTS) // Clean Status + } + + // Check if last operation completed + // return Failure = 0, Success = 1 + Method (CMPL, 0, Serialized) + { + Store (4000, Local0) // Timeout 200ms in 50us steps + While (Local0) { + If (And(HSTS, 0x02)) { // Completion Status? + Return (1) // Operation Completed + } Else { + Stall (50) + Decrement (Local0) + If (LEqual(Local0, 0)) { + KILL() + } + } + } + + Return (0) // Failure + } + + + // Wait for SMBus to become ready + Method (SRDY, 0, Serialized) + { + Store (200, Local0) // Timeout 200ms + While (Local0) { + If (And(HSTS, 0x40)) { // IN_USE? + Sleep(1) // Wait 1ms + Decrement(Local0) // timeout-- + If (LEqual(Local0, 0)) { + Return (1) + } + } Else { + Store (0, Local0) // We're ready + } + } + + Store (4000, Local0) // Timeout 200ms (50us * 4000) + While (Local0) { + If (And (HSTS, 0x01)) { // Host Busy? + Stall(50) // Wait 50us + Decrement(Local0) // timeout-- + If (LEqual(Local0, 0)) { + KILL() + } + } Else { + Return (0) // Success + } + } + + Return (1) // Failure + } + + // SMBus Send Byte + // Arg0: Address + // Arg1: Data + // Return: 1 = Success, 0=Failure + + Method (SSXB, 2, Serialized) + { + + // Is the SMBus Controller Ready? + If (SRDY()) { + Return (0) + } + + // Send Byte + Store (0, I2CE) // SMBus Enable + Store (0xbf, HSTS) + Store (Arg0, TXSA) // Write Address + Store (Arg1, HCMD) // Write Data + + Store (0x48, HCNT) // Start + Byte Data Protocol + + If (CMPL()) { + Or (HSTS, 0xff, HSTS) // Clean up + Return (1) // Success + } + + Return (0) + } + + + // SMBus Receive Byte + // Arg0: Address + // Return: 0xffff = Failure, Data (8bit) = Success + + Method (SRXB, 2, Serialized) + { + + // Is the SMBus Controller Ready? + If (SRDY()) { + Return (0xffff) + } + + // Receive Byte + Store (0, I2CE) // SMBus Enable + Store (0xbf, HSTS) + Store (Or (Arg0, 1), TXSA) // Write Address + + Store (0x44, HCNT) // Start + + If (CMPL()) { + Or (HSTS, 0xff, HSTS) // Clean up + Return (DAT0) // Success + } + + Return (0xffff) + } + + + // SMBus Write Byte + // Arg0: Address + // Arg1: Command + // Arg2: Data + // Return: 1 = Success, 0=Failure + + Method (SWRB, 3, Serialized) + { + + // Is the SMBus Controller Ready? + If (SRDY()) { + Return (0) + } + + // Send Byte + Store (0, I2CE) // SMBus Enable + Store (0xbf, HSTS) + Store (Arg0, TXSA) // Write Address + Store (Arg1, HCMD) // Write Command + Store (Arg2, DAT0) // Write Data + + Store (0x48, HCNT) // Start + Byte Protocol + + If (CMPL()) { + Or (HSTS, 0xff, HSTS) // Clean up + Return (1) // Success + } + + Return (0) + } + + + // SMBus Read Byte + // Arg0: Address + // Arg1: Command + // Return: 0xffff = Failure, Data (8bit) = Success + + Method (SRDB, 2, Serialized) + { + + // Is the SMBus Controller Ready? + If (SRDY()) { + Return (0xffff) + } + + // Receive Byte + Store (0, I2CE) // SMBus Enable + Store (0xbf, HSTS) + Store (Or (Arg0, 1), TXSA) // Write Address + Store (Arg1, HCMD) // Command + + Store (0x48, HCNT) // Start + + If (CMPL()) { + Or (HSTS, 0xff, HSTS) // Clean up + Return (DAT0) // Success + } + + Return (0xffff) + } +#endif +} + diff --git a/src/southbridge/intel/i82801ix/acpi/usb.asl b/src/southbridge/intel/i82801ix/acpi/usb.asl new file mode 100644 index 0000000000..8699c3f515 --- /dev/null +++ b/src/southbridge/intel/i82801ix/acpi/usb.asl @@ -0,0 +1,331 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +/* Intel i82801I USB support */ + +// USB Controller 0:1d.0 + +Device (USB1) +{ + Name(_ADR, 0x001d0000) + + OperationRegion(U01P, PCI_Config, 0, 256) + Field(U01P, DWordAcc, NoLock, Preserve) + { + Offset(0xc4), + U1WE, 2 // USB Wake Enable + } + + Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake + + Method (_PSW, 1) // Power State Wake method + { + // USB Controller can wake OS from Sleep State + If (Arg0) { + Store (3, U1WE) + } Else { + Store (0, U1WE) + } + } + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } +} + + +// USB Controller 0:1d.1 + +Device (USB2) +{ + Name(_ADR, 0x001d0001) + + OperationRegion(U02P, PCI_Config, 0, 256) + Field(U02P, DWordAcc, NoLock, Preserve) + { + Offset(0xc4), + U2WE, 2 // USB Wake Enable + } + + Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake + + Method (_PSW, 1) // Power State Wake method + { + // USB Controller can wake OS from Sleep State + If (Arg0) { + Store (3, U2WE) + } Else { + Store (0, U2WE) + } + } + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } + +} + + +// USB Controller 0:1d.2 + +Device (USB3) +{ + Name(_ADR, 0x001d0002) + + OperationRegion(U03P, PCI_Config, 0, 256) + Field(U03P, DWordAcc, NoLock, Preserve) + { + Offset(0xc4), + U3WE, 2 // USB Wake Enable + } + + Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake + + Method (_PSW, 1) // Power State Wake method + { + // USB Controller can wake OS from Sleep State + If (Arg0) { + Store (3, U3WE) + } Else { + Store (0, U3WE) + } + } + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } + +} + + +// EHCI Controller 0:1d.7 + +Device (EHC1) +{ + Name(_ADR, 0x001d0007) + + Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } + + Device (HUB7) + { + Name (_ADR, 0x00000000) + + // How many are there? + Device (PRT1) { Name (_ADR, 1) } // USB Port 0 + Device (PRT2) { Name (_ADR, 2) } // USB Port 1 + Device (PRT3) { Name (_ADR, 3) } // USB Port 2 + Device (PRT4) { Name (_ADR, 4) } // USB Port 3 + Device (PRT5) { Name (_ADR, 5) } // USB Port 4 + Device (PRT6) { Name (_ADR, 6) } // USB Port 5 + } +} + + +// USB Controller 0:1a.0 + +Device (USB4) +{ + Name(_ADR, 0x001a0000) + + OperationRegion(U01P, PCI_Config, 0, 256) + Field(U01P, DWordAcc, NoLock, Preserve) + { + Offset(0xc4), + U1WE, 2 // USB Wake Enable + } + + Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake + + Method (_PSW, 1) // Power State Wake method + { + // USB Controller can wake OS from Sleep State + If (Arg0) { + Store (3, U1WE) + } Else { + Store (0, U1WE) + } + } + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } +} + + +// USB Controller 0:1a.1 + +Device (USB5) +{ + Name(_ADR, 0x001a0001) + + OperationRegion(U02P, PCI_Config, 0, 256) + Field(U02P, DWordAcc, NoLock, Preserve) + { + Offset(0xc4), + U2WE, 2 // USB Wake Enable + } + + Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake + + Method (_PSW, 1) // Power State Wake method + { + // USB Controller can wake OS from Sleep State + If (Arg0) { + Store (3, U2WE) + } Else { + Store (0, U2WE) + } + } + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } + +} + + +// USB Controller 0:1a.2 + +Device (USB6) +{ + Name(_ADR, 0x001a0002) + + OperationRegion(U03P, PCI_Config, 0, 256) + Field(U03P, DWordAcc, NoLock, Preserve) + { + Offset(0xc4), + U3WE, 2 // USB Wake Enable + } + + Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake + + Method (_PSW, 1) // Power State Wake method + { + // USB Controller can wake OS from Sleep State + If (Arg0) { + Store (3, U3WE) + } Else { + Store (0, U3WE) + } + } + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } + +} + + +// EHCI Controller 0:1a.7 + +Device (EHC2) +{ + Name(_ADR, 0x001a0007) + + Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake + + // Leave USB ports on for to allow Wake from USB + + Method(_S3D,0) // Highest D State in S3 State + { + Return (2) + } + + Method(_S4D,0) // Highest D State in S4 State + { + Return (2) + } + + Device (HUB7) + { + Name (_ADR, 0x00000000) + + // How many are there? + Device (PRT1) { Name (_ADR, 1) } // USB Port 0 + Device (PRT2) { Name (_ADR, 2) } // USB Port 1 + Device (PRT3) { Name (_ADR, 3) } // USB Port 2 + Device (PRT4) { Name (_ADR, 4) } // USB Port 3 + Device (PRT5) { Name (_ADR, 5) } // USB Port 4 + Device (PRT6) { Name (_ADR, 6) } // USB Port 5 + } +} + + diff --git a/src/southbridge/intel/i82801ix/bootblock.c b/src/southbridge/intel/i82801ix/bootblock.c new file mode 100644 index 0000000000..39b0bd4191 --- /dev/null +++ b/src/southbridge/intel/i82801ix/bootblock.c @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> + +static void enable_spi_prefetch(void) +{ + u8 reg8; + device_t dev; + + dev = PCI_DEV(0, 0x1f, 0); + + reg8 = pci_read_config8(dev, 0xdc); + reg8 &= ~(3 << 2); + reg8 |= (2 << 2); /* Prefetching and Caching Enabled */ + pci_write_config8(dev, 0xdc, reg8); +} + +static void bootblock_southbridge_init(void) +{ + enable_spi_prefetch(); +} + diff --git a/src/southbridge/intel/i82801ix/chip.h b/src/southbridge/intel/i82801ix/chip.h new file mode 100644 index 0000000000..16c7f23f59 --- /dev/null +++ b/src/southbridge/intel/i82801ix/chip.h @@ -0,0 +1,95 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef SOUTHBRIDGE_INTEL_I82801IX_CHIP_H +#define SOUTHBRIDGE_INTEL_I82801IX_CHIP_H + +enum { + THTL_DEF = 0, THTL_87_5 = 1, THTL_75_0 = 2, THTL_62_5 = 3, + THTL_50_0 = 4, THTL_37_5 = 5, THTL_25_0 = 6, THTL_12_5 = 7 +}; + +struct southbridge_intel_i82801ix_config { + /** + * Interrupt Routing configuration + * If bit7 is 1, the interrupt is disabled. + */ + uint8_t pirqa_routing; + uint8_t pirqb_routing; + uint8_t pirqc_routing; + uint8_t pirqd_routing; + uint8_t pirqe_routing; + uint8_t pirqf_routing; + uint8_t pirqg_routing; + uint8_t pirqh_routing; + + /** + * GPI Routing configuration + * + * Only the lower two bits have a meaning: + * 00: No effect + * 01: SMI# (if corresponding ALT_GPI_SMI_EN bit is also set) + * 10: SCI (if corresponding GPIO_EN bit is also set) + * 11: reserved + */ + uint8_t gpi0_routing; + uint8_t gpi1_routing; + uint8_t gpi2_routing; + uint8_t gpi3_routing; + uint8_t gpi4_routing; + uint8_t gpi5_routing; + uint8_t gpi6_routing; + uint8_t gpi7_routing; + uint8_t gpi8_routing; + uint8_t gpi9_routing; + uint8_t gpi10_routing; + uint8_t gpi11_routing; + uint8_t gpi12_routing; + uint8_t gpi13_routing; + uint8_t gpi14_routing; + uint8_t gpi15_routing; + + uint32_t gpe0_en; + uint16_t alt_gp_smi_en; + + /* IDE configuration */ + uint32_t ide_legacy_combined; + uint32_t sata_ahci; /* If enabled, keep bit 2 of sata_enabled unset. */ + uint8_t sata_port_map : 6; + int sata_clock_request : 1; + int sata_traffic_monitor : 1; + + int c4onc3_enable:1; + int c5_enable : 1; + int c6_enable : 1; + + int throttle_duty : 3; + + /* Bit mask to tell whether a PCIe slot is implemented as slot. */ + int pcie_slot_implemented : 6; + + /* Power limits for PCIe ports. Values are in 10^(-scale) watts. */ + struct { + uint8_t value : 8; + uint8_t scale : 2; + } pcie_power_limits[6]; +}; + +#endif /* SOUTHBRIDGE_INTEL_I82801IX_CHIP_H */ diff --git a/src/southbridge/intel/i82801ix/dmi_setup.c b/src/southbridge/intel/i82801ix/dmi_setup.c new file mode 100644 index 0000000000..73703b4f83 --- /dev/null +++ b/src/southbridge/intel/i82801ix/dmi_setup.c @@ -0,0 +1,147 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <device/pci_def.h> +#include <console/console.h> +#include <northbridge/intel/gm45/gm45.h> +#include "i82801ix.h" + +/* VC1 Port Arbitration Table */ +static const u8 vc1_pat[] = { + 0x0f, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x0f, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0xf0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x0f, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0xf0, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x0f, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x0f, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0xf0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x0f, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0xf0, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, +}; +void i82801ix_dmi_setup(void) +{ + int i; + u32 reg32; + + RCBA32(RCBA_V1CAP) = (RCBA32(RCBA_V1CAP) & ~(0x7f<<16)) | (0x12<<16); + + RCBA32(0x0088) = 0x00109000; + RCBA16(0x01fc) = 0x060b; + RCBA32(0x01f4) = 0x86000040; + RCBA8 (0x0220) = 0x45; + RCBA32(0x2024) &= ~(1 << 7); + + + /* VC1 setup for isochronous transfers: */ + + /* Set VC1 virtual channel id to 1. */ + RCBA32(RCBA_V1CTL) = (RCBA32(RCBA_V1CTL) & ~(0x7 << 24)) | (0x1 << 24); + /* Enable TC7 traffic on VC1. */ + RCBA32(RCBA_V1CTL) = (RCBA32(RCBA_V1CTL) & ~(0x7f << 1)) | (1 << 7); + /* Disable TC7-TC1 traffic on VC0. */ + RCBA32(RCBA_V0CTL) &= ~(0x7f << 1); + /* TC7-TC1 traffic on PCIe root ports will be disabled in pci driver. */ + + /* Set table type to time-based WRR. */ + RCBA32(RCBA_V1CTL) = (RCBA32(RCBA_V1CTL) & ~(0x7 << 17)) | (0x4 << 17); + /* Program port arbitration table. */ + for (i = 0; i < sizeof(vc1_pat); ++i) + RCBA8(RCBA_PAT + i) = vc1_pat[i]; + /* Load port arbitration table. */ + RCBA32(RCBA_V1CTL) |= (1 << 16); + + /* Enable VC1. */ + RCBA32(RCBA_V1CTL) |= (1 << 31); + + + /* Setup RCRB: */ + + /* Set component id to 2 for southbridge, northbridge has id 1. */ + RCBA8(RCBA_ESD + 2) = 2; + /* Set target port number and target component id of the northbridge. */ + RCBA8(RCBA_ULD + 3) = 1; + RCBA8(RCBA_ULD + 2) = 1; + /* Set target rcrb base address, i.e. DMIBAR. */ + RCBA32(RCBA_ULBA) = DEFAULT_DMIBAR; + + /* Enable ASPM. */ + if (LPC_IS_MOBILE(PCI_DEV(0, 0x1f, 0))) { + reg32 = RCBA32(RCBA_DMC); + /* Enable mobile specific power saving (set this first). */ + reg32 = (reg32 & ~(3 << 10)) | (1 << 10); + RCBA32(RCBA_DMC) = reg32; + /* Enable DMI power savings. */ + reg32 |= (1 << 19); + RCBA32(RCBA_DMC) = reg32; + /* Advertise L0s and L1. */ + RCBA32(RCBA_LCAP) |= (3 << 10); + /* Enable L0s and L1. */ + RCBA32(RCBA_LCTL) |= (3 << 0); + } else { + /* Enable DMI power savings. */ + RCBA32(RCBA_DMC) |= (1 << 19); + /* Advertise L0s only. */ + RCBA32(RCBA_LCAP) = (RCBA32(RCBA_LCAP) & ~(3<<10)) | (1<<10); + /* Enable L0s only. */ + RCBA32(RCBA_LCTL) = (RCBA32(RCBA_LCTL) & ~(3<< 0)) | (1<< 0); + } +} + +/* Should be called after VC1 has been enabled on both sides. */ +void i82801ix_dmi_poll_vc1(void) +{ + int timeout; + + timeout = 0x7ffff; + printk(BIOS_DEBUG, "ICH9 waits for VC1 negotiation... "); + while ((RCBA32(RCBA_V1STS) & (1 << 1)) && --timeout) {} + if (!timeout) + printk(BIOS_DEBUG, "timeout!\n"); + else + printk(BIOS_DEBUG, "done.\n"); + + /* Check for x2 DMI link. */ + if (((RCBA16(RCBA_LSTS) >> 4) & 0x3f) == 2) { + printk(BIOS_DEBUG, "x2 DMI link detected.\n"); + RCBA32(0x2024) = (RCBA32(0x2024) & ~(7 << 21)) | (3 << 21); + RCBA16(0x20c4) |= (1 << 15); + RCBA16(0x20e4) |= (1 << 15); + /* TODO: Maybe we have to save and + restore these settings across S3. */ + } + + timeout = 0x7ffff; + printk(BIOS_DEBUG, "ICH9 waits for port arbitration table update... "); + while ((RCBA32(RCBA_V1STS) & (1 << 0)) && --timeout) {} + if (!timeout) + printk(BIOS_DEBUG, "timeout!\n"); + else + printk(BIOS_DEBUG, "done.\n"); +} + diff --git a/src/southbridge/intel/i82801ix/early_init.c b/src/southbridge/intel/i82801ix/early_init.c new file mode 100644 index 0000000000..66cdf0315f --- /dev/null +++ b/src/southbridge/intel/i82801ix/early_init.c @@ -0,0 +1,65 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> +#include "i82801ix.h" + +void i82801ix_early_init(void) +{ + const device_t d31f0 = PCI_DEV(0, 0x1f, 0); + + /* Set up RCBA. */ + pci_write_config32(d31f0, D31F0_RCBA, DEFAULT_RCBA | 1); + + /* Set up PMBASE. */ + pci_write_config32(d31f0, D31F0_PMBASE, DEFAULT_PMBASE | 1); + /* Enable PMBASE. */ + pci_write_config8(d31f0, D31F0_ACPI_CNTL, 0x80); + + /* Set up GPIOBASE. */ + pci_write_config32(d31f0, D31F0_GPIO_BASE, DEFAULT_GPIOBASE); + /* Enable GPIO. */ + pci_write_config8(d31f0, D31F0_GPIO_CNTL, + pci_read_config8(d31f0, D31F0_GPIO_CNTL) | 0x10); + + /* Reset watchdog. */ + outw(0x0008, DEFAULT_TCOBASE + 0x04); /* R/WC, clear TCO caused SMI. */ + outw(0x0002, DEFAULT_TCOBASE + 0x06); /* R/WC, clear second timeout. */ + + /* Enable upper 128bytes of CMOS. */ + RCBA32(0x3400) = (1 << 2); + + /* Initialize power manangement initialization + register early as it affects reboot behavior. */ + /* Bit 20 activates global reset of host and ME on cf9 writes of 0x6 + and 0xe (required if ME is disabled but present), bit 31 locks it. + The other bits are 'must write'. */ + u8 reg8 = pci_read_config8(d31f0, 0xac); + reg8 |= (1 << 31) | (1 << 30) | (1 << 20) | (3 << 8); + pci_write_config8(d31f0, 0xac, reg8); + + /* TODO: If RTC power failed, reset RTC state machine + (set, then reset RTC 0x0b bit7) */ + + /* TODO: Check power state bits in GEN_PMCON_2 (D31F0 0xa2) + before they get cleared. */ +} + diff --git a/src/southbridge/intel/i82801ix/early_smbus.c b/src/southbridge/intel/i82801ix/early_smbus.c new file mode 100644 index 0000000000..a2d8544ba0 --- /dev/null +++ b/src/southbridge/intel/i82801ix/early_smbus.c @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <console/console.h> +#include <device/pci_ids.h> +#include <device/pci_def.h> +#include "i82801ix.h" +#include "smbus.h" + +void enable_smbus(void) +{ + device_t dev; + + /* Set the SMBus device statically. */ + dev = PCI_DEV(0x0, 0x1f, 0x3); + + /* Check to make sure we've got the right device. */ + if (pci_read_config16(dev, 0x2) != 0x2930) { + die("SMBus controller not found!"); + } + + /* Set SMBus I/O base. */ + pci_write_config32(dev, SMB_BASE, + SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO); + + /* Set SMBus enable. */ + pci_write_config8(dev, HOSTC, HST_EN); + + /* Set SMBus I/O space enable. */ + pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO); + + /* Disable interrupt generation. */ + outb(0, SMBUS_IO_BASE + SMBHSTCTL); + + /* Clear any lingering errors, so transactions can run. */ + outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); + print_debug("SMBus controller enabled.\n"); +} + +int smbus_read_byte(unsigned device, unsigned address) +{ + return do_smbus_read_byte(SMBUS_IO_BASE, device, address); +} + diff --git a/src/southbridge/intel/i82801ix/hdaudio.c b/src/southbridge/intel/i82801ix/hdaudio.c new file mode 100644 index 0000000000..3f87915869 --- /dev/null +++ b/src/southbridge/intel/i82801ix/hdaudio.c @@ -0,0 +1,332 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008 Advanced Micro Devices, Inc. + * Copyright (C) 2008-2009 coresystems GmbH + * Copyright (C) 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include <delay.h> +#include "i82801ix.h" + +#define HDA_ICII_REG 0x68 +#define HDA_ICII_BUSY (1 << 0) +#define HDA_ICII_VALID (1 << 1) + +typedef struct southbridge_intel_i82801ix_config config_t; + +static int set_bits(u32 port, u32 mask, u32 val) +{ + u32 reg32; + int count; + + /* Write (val & mask) to port */ + val &= mask; + reg32 = read32(port); + reg32 &= ~mask; + reg32 |= val; + write32(port, reg32); + + /* Wait for readback of register to + * match what was just written to it + */ + count = 50; + do { + /* Wait 1ms based on BKDG wait time */ + mdelay(1); + reg32 = read32(port); + reg32 &= mask; + } while ((reg32 != val) && --count); + + /* Timeout occurred */ + if (!count) + return -1; + return 0; +} + +static int codec_detect(u32 base) +{ + u32 reg32; + + /* Set Bit0 to 0 to enter reset state (BAR + 0x8)[0] */ + if (set_bits(base + 0x08, 1, 0) == -1) + goto no_codec; + + /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */ + if (set_bits(base + 0x08, 1, 1) == -1) + goto no_codec; + + /* Read in Codec location (BAR + 0xe)[2..0]*/ + reg32 = read32(base + 0xe); + reg32 &= 0x0f; + if (!reg32) + goto no_codec; + + return reg32; + +no_codec: + /* Codec Not found */ + /* Put HDA back in reset (BAR + 0x8) [0] */ + set_bits(base + 0x08, 1, 0); + printk(BIOS_DEBUG, "Azalia: No codec!\n"); + return 0; +} + +const u32 * cim_verb_data = NULL; +u32 cim_verb_data_size = 0; +const u32 * pc_beep_verbs = NULL; +u32 pc_beep_verbs_size = 0; + +static u32 find_verb(struct device *dev, u32 viddid, const u32 ** verb) +{ + int idx=0; + + while (idx < (cim_verb_data_size / sizeof(u32))) { + u32 verb_size = 4 * cim_verb_data[idx+2]; // in u32 + if (cim_verb_data[idx] != viddid) { + idx += verb_size + 3; // skip verb + header + continue; + } + *verb = &cim_verb_data[idx+3]; + return verb_size; + } + + /* Not all codecs need to load another verb */ + return 0; +} + +/** + * Wait 50usec for the codec to indicate it is ready + * no response would imply that the codec is non-operative + */ + +static int wait_for_ready(u32 base) +{ + /* Use a 50 usec timeout - the Linux kernel uses the + * same duration */ + + int timeout = 50; + + while(timeout--) { + u32 reg32 = read32(base + HDA_ICII_REG); + if (!(reg32 & HDA_ICII_BUSY)) + return 0; + udelay(1); + } + + return -1; +} + +/** + * Wait 50usec for the codec to indicate that it accepted + * the previous command. No response would imply that the code + * is non-operative + */ + +static int wait_for_valid(u32 base) +{ + u32 reg32; + + /* Send the verb to the codec */ + reg32 = read32(base + 0x68); + reg32 |= (1 << 0) | (1 << 1); + write32(base + 0x68, reg32); + + /* Use a 50 usec timeout - the Linux kernel uses the + * same duration */ + + int timeout = 50; + while(timeout--) { + reg32 = read32(base + HDA_ICII_REG); + if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) == + HDA_ICII_VALID) + return 0; + udelay(1); + } + + return -1; +} + +static void codec_init(struct device *dev, u32 base, int addr) +{ + u32 reg32; + const u32 *verb; + u32 verb_size; + int i; + + printk(BIOS_DEBUG, "HD Audio: Initializing codec #%d\n", addr); + + /* 1 */ + if (wait_for_ready(base) == -1) + return; + + reg32 = (addr << 28) | 0x000f0000; + write32(base + 0x60, reg32); + + if (wait_for_valid(base) == -1) + return; + + reg32 = read32(base + 0x64); + + /* 2 */ + printk(BIOS_DEBUG, "Azalia: codec viddid: %08x\n", reg32); + verb_size = find_verb(dev, reg32, &verb); + + if (!verb_size) { + printk(BIOS_DEBUG, "Azalia: No verb!\n"); + return; + } + printk(BIOS_DEBUG, "Azalia: verb_size: %d\n", verb_size); + + /* 3 */ + for (i = 0; i < verb_size; i++) { + if (wait_for_ready(base) == -1) + return; + + write32(base + 0x60, verb[i]); + + if (wait_for_valid(base) == -1) + return; + } + printk(BIOS_DEBUG, "Azalia: verb loaded.\n"); +} + +static void codecs_init(struct device *dev, u32 base, u32 codec_mask) +{ + int i; + for (i = 2; i >= 0; i--) { + if (codec_mask & (1 << i)) + codec_init(dev, base, i); + } + + for (i = 0; i < pc_beep_verbs_size; i++) { + if (wait_for_ready(base) == -1) + return; + + write32(base + 0x60, pc_beep_verbs[i]); + + if (wait_for_valid(base) == -1) + return; + } +} + +static void azalia_init(struct device *dev) +{ + u32 base; + struct resource *res; + u32 codec_mask; + u8 reg8; + u32 reg32; + +#if CONFIG_MMCONF_SUPPORT + // ESD + reg32 = pci_mmio_read_config32(dev, 0x134); + reg32 &= 0xff00ffff; + reg32 |= (2 << 16); + pci_mmio_write_config32(dev, 0x134, reg32); + + // Link1 description + reg32 = pci_mmio_read_config32(dev, 0x140); + reg32 &= 0xff00ffff; + reg32 |= (2 << 16); + pci_mmio_write_config32(dev, 0x140, reg32); + + // Port VC0 Resource Control Register + reg32 = pci_mmio_read_config32(dev, 0x114); + reg32 &= 0xffffff00; + reg32 |= 1; + pci_mmio_write_config32(dev, 0x114, reg32); + + // VCi traffic class + reg8 = pci_mmio_read_config8(dev, 0x44); + reg8 |= (7 << 0); // TC7 + pci_mmio_write_config8(dev, 0x44, reg8); + + // VCi Resource Control + reg32 = pci_mmio_read_config32(dev, 0x120); + reg32 |= (1 << 31); + reg32 |= (1 << 24); // VCi ID + reg32 |= (0x80 << 0); // VCi map + pci_mmio_write_config32(dev, 0x120, reg32); +#else +#error ICH9 Azalia required CONFIG_MMCONF_SUPPORT +#endif + + /* Set Bus Master */ + reg32 = pci_read_config32(dev, PCI_COMMAND); + pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER); + + reg8 = pci_read_config8(dev, 0x4d); // Docking Status + reg8 &= ~(1 << 7); // Docking not supported + pci_write_config8(dev, 0x4d, reg8); + + /* Lock some R/WO bits by writing their current value. */ + reg32 = pci_read_config32(dev, 0x74); + pci_write_config32(dev, 0x74, reg32); + + res = find_resource(dev, 0x10); + if (!res) + return; + + // NOTE this will break as soon as the Azalia get's a bar above + // 4G. Is there anything we can do about it? + base = (u32)res->base; + printk(BIOS_DEBUG, "Azalia: base = %08x\n", (u32)base); + codec_mask = codec_detect(base); + + if (codec_mask) { + printk(BIOS_DEBUG, "Azalia: codec_mask = %02x\n", codec_mask); + codecs_init(dev, base, codec_mask); + } +} + +static void azalia_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations azalia_pci_ops = { + .set_subsystem = azalia_set_subsystem, +}; + +static struct device_operations azalia_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = azalia_init, + .scan_bus = 0, + .ops_pci = &azalia_pci_ops, +}; + +/* ICH9DH/ICH9DO/ICH9R/ICH9/ICH9M-E/ICH9M */ +static const struct pci_driver i82801ix_azalia __pci_driver = { + .ops = &azalia_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x293e, +}; + diff --git a/src/southbridge/intel/i82801ix/i82801ix.c b/src/southbridge/intel/i82801ix/i82801ix.c new file mode 100644 index 0000000000..99e7ca1e3d --- /dev/null +++ b/src/southbridge/intel/i82801ix/i82801ix.c @@ -0,0 +1,264 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * (Written by Nico Huber <nico.huber@secunet.com> for secunet) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdlib.h> +#include <arch/io.h> +#include <device/device.h> +#include <device/pci.h> +#include <console/console.h> +#include "i82801ix.h" + +typedef struct southbridge_intel_i82801ix_config config_t; + +static void i82801ix_enable_device(device_t dev) +{ + u32 reg32; + + /* Enable SERR */ + reg32 = pci_read_config32(dev, PCI_COMMAND); + reg32 |= PCI_COMMAND_SERR; + pci_write_config32(dev, PCI_COMMAND, reg32); +} + +static void i82801ix_early_settings(const config_t *const info) +{ + /* Program FERR# as processor break event indicator. */ + RCBA32(0x3410) |= (1 << 6); + /* BIOS must program... */ + RCBA32(0x3430) = (RCBA32(0x3430) & ~(0x3 << 0)) | (0x2 << 0); + RCBA32(0x3418) |= (1 << 0); + RCBA32(0x350c) = (RCBA32(0x350c) & ~(0x3 << 26)) | (0x2 << 26); + RCBA32(0x2034) = (RCBA32(0x2034) & ~(0xf << 16)) | (0x5 << 16); + RCBA32(0x0f20) = (RCBA32(0x0f20) & ~(0xf << 16)) | (0x5 << 16); + RCBA32(0x1d40) |= (1 << 0); + RCBA32(0x352c) |= (3 << 16); +} + +static void i82801ix_pcie_init(const config_t *const info) +{ + device_t pciePort[6]; + int i, slot_number = 1; /* Reserve slot number 0 for nb's PEG. */ + u32 reg32; + + /* PCIe - BIOS must program... */ + for (i = 0; i < 6; ++i) { + pciePort[i] = dev_find_slot(0, PCI_DEVFN(0x1c, i)); + if (!pciePort[i]) { + printk(BIOS_EMERG, "PCIe port 00:1c.%x", i); + die(" is not listed in devicetree.\n"); + } +#if CONFIG_MMCONF_SUPPORT + reg32 = pci_mmio_read_config32(pciePort[i], 0x300); + pci_mmio_write_config32(pciePort[i], 0x300, reg32 | (1 << 21)); + pci_mmio_write_config8(pciePort[i], 0x324, 0x40); +#else +#error "MMIO needed for ICH9 PCIe" +#endif + } + + if (LPC_IS_MOBILE(dev_find_slot(0, PCI_DEVFN(0x1f, 0)))) { + for (i = 0; i < 6; ++i) { + if (pciePort[i]->enabled) { + reg32 = pci_read_config32(pciePort[i], 0xe8); + reg32 |= 1; + pci_write_config32(pciePort[i], 0xe8, reg32); + } + } + } + + for (i = 5; (i >= 0) && !pciePort[i]->enabled; --i) { + /* Only for the top disabled ports. */ +#if CONFIG_MMCONF_SUPPORT + reg32 = pci_mmio_read_config32(pciePort[i], 0x300); + reg32 |= 0x3 << 16; + pci_mmio_write_config32(pciePort[i], 0x300, reg32); +#else +#error "MMIO needed for ICH9 PCIe" +#endif + } + + /* Set slot implemented, slot number and slot power limits. */ + for (i = 0; i < 6; ++i) { + const device_t dev = pciePort[i]; + u32 xcap = pci_read_config32(dev, D28Fx_XCAP); + if (info->pcie_slot_implemented & (1 << i)) + xcap |= PCI_EXP_FLAGS_SLOT; + else + xcap &= ~PCI_EXP_FLAGS_SLOT; + pci_write_config32(dev, D28Fx_XCAP, xcap); + + if (info->pcie_slot_implemented & (1 << i)) { + u32 slcap = pci_read_config32(dev, D28Fx_SLCAP); + slcap &= ~(0x1fff << 19); + slcap |= (slot_number++ << 19); + slcap &= ~(0x0003 << 16); + slcap |= (info->pcie_power_limits[i].scale << 16); + slcap &= ~(0x00ff << 7); + slcap |= (info->pcie_power_limits[i].value << 7); + pci_write_config32(dev, D28Fx_SLCAP, slcap); + } + } + + /* Lock R/WO ASPM support bits. */ + for (i = 0; i < 6; ++i) { + reg32 = pci_read_config32(pciePort[i], 0x4c); + pci_write_config32(pciePort[i], 0x4c, reg32); + } +} + +static void i82801ix_ehci_init(void) +{ + const device_t pciEHCI1 = dev_find_slot(0, PCI_DEVFN(0x1d, 7)); + if (!pciEHCI1) + die("EHCI controller (00:1d.7) not listed in devicetree.\n"); + const device_t pciEHCI2 = dev_find_slot(0, PCI_DEVFN(0x1a, 7)); + if (!pciEHCI2) + die("EHCI controller (00:1a.7) not listed in devicetree.\n"); + + u32 reg32; + + /* TODO: Maybe we have to save and + restore these settings across S3. */ + reg32 = pci_read_config32(pciEHCI1, 0xfc); + pci_write_config32(pciEHCI1, 0xfc, (reg32 & ~(3 << 2)) | + (1 << 29) | (1 << 17) | (2 << 2)); + reg32 = pci_read_config32(pciEHCI2, 0xfc); + pci_write_config32(pciEHCI2, 0xfc, (reg32 & ~(3 << 2)) | + (1 << 29) | (1 << 17) | (2 << 2)); +} + +static int i82801ix_function_disabled(const unsigned devfn) +{ + const struct device *const dev = dev_find_slot(0, devfn); + if (!dev) { + printk(BIOS_EMERG, + "PCI device 00:%x.%x", + PCI_SLOT(devfn), PCI_FUNC(devfn)); + die(" is not listed in devicetree.\n"); + } + return !dev->enabled; +} + +static void i82801ix_hide_functions(void) +{ + int i; + u32 reg32; + + /* FIXME: This works pretty good if the devicetree is consistent. But + some functions have to be disabled in right order and/or have + other constraints. */ + + if (i82801ix_function_disabled(PCI_DEVFN(0x19, 0))) + RCBA32(RCBA_BUC) |= BUC_LAND; + + reg32 = RCBA32(RCBA_FD); + struct { + int devfn; + u32 mask; + } functions[] = { + { PCI_DEVFN(0x1a, 0), FD_U4D }, /* UHCI #4 */ + { PCI_DEVFN(0x1a, 1), FD_U5D }, /* UHCI #5 */ + { PCI_DEVFN(0x1a, 2), FD_U6D }, /* UHCI #6 */ + { PCI_DEVFN(0x1a, 7), FD_EHCI2D }, /* EHCI #2 */ + { PCI_DEVFN(0x1b, 0), FD_HDAD }, /* HD Audio */ + { PCI_DEVFN(0x1c, 0), FD_PE1D }, /* PCIe #1 */ + { PCI_DEVFN(0x1c, 1), FD_PE2D }, /* PCIe #2 */ + { PCI_DEVFN(0x1c, 2), FD_PE3D }, /* PCIe #3 */ + { PCI_DEVFN(0x1c, 3), FD_PE4D }, /* PCIe #4 */ + { PCI_DEVFN(0x1c, 4), FD_PE5D }, /* PCIe #5 */ + { PCI_DEVFN(0x1c, 5), FD_PE6D }, /* PCIe #6 */ + { PCI_DEVFN(0x1d, 0), FD_U1D }, /* UHCI #1 */ + { PCI_DEVFN(0x1d, 1), FD_U2D }, /* UHCI #2 */ + { PCI_DEVFN(0x1d, 2), FD_U3D }, /* UHCI #3 */ + { PCI_DEVFN(0x1d, 7), FD_EHCI1D }, /* EHCI #1 */ + { PCI_DEVFN(0x1f, 0), FD_LBD }, /* LPC */ + { PCI_DEVFN(0x1f, 2), FD_SAD1 }, /* SATA #1 */ + { PCI_DEVFN(0x1f, 3), FD_SD }, /* SMBus */ + { PCI_DEVFN(0x1f, 5), FD_SAD2 }, /* SATA #2 */ + { PCI_DEVFN(0x1f, 6), FD_TTD }, /* Thermal Throttle */ + }; + for (i = 0; i < ARRAY_SIZE(functions); ++i) { + if (i82801ix_function_disabled(functions[i].devfn)) + reg32 |= functions[i].mask; + } + RCBA32(RCBA_FD) = reg32; + RCBA32(RCBA_FD) |= (1 << 0); /* BIOS must write this... */ + RCBA32(RCBA_FDSW) |= (1 << 7); /* Lock function-disable? */ + + /* Hide PCIe root port PCI functions. RPFN is partially R/WO. */ + reg32 = RCBA32(RCBA_RPFN); + for (i = 0; i < 6; ++i) { + if (i82801ix_function_disabled(PCI_DEVFN(0x1c, i))) + reg32 |= (1 << ((i * 4) + 3)); + } + RCBA32(RCBA_RPFN) = reg32; + + /* Lock R/WO UHCI controller #6 remapping. */ + RCBA32(RCBA_MAP) = RCBA32(RCBA_MAP); +} + +static void i82801ix_init(void *chip_info) +{ + const config_t *const info = (config_t *)chip_info; + + printk(BIOS_DEBUG, "Initializing i82801ix southbridge...\n"); + + i82801ix_early_settings(info); + + /* PCI Express setup. */ + i82801ix_pcie_init(info); + + /* EHCI configuration. */ + i82801ix_ehci_init(); + + /* Now hide internal functions. We can't access them after this. */ + i82801ix_hide_functions(); + + /* Reset watchdog timer. */ +#if !CONFIG_HAVE_SMI_HANDLER + outw(0x0008, DEFAULT_TCOBASE + 0x12); /* Set higher timer value. */ +#endif + outw(0x0000, DEFAULT_TCOBASE + 0x00); /* Update timer. */ + +#if CONFIG_HAVE_ACPI_RESUME + switch (pci_read_config32(dev_find_slot(0, PCI_DEVFN(0, 0)), /*D0F0_SKPD*/0xdc)) { + case SKPAD_NORMAL_BOOT_MAGIC: + printk(BIOS_DEBUG, "Normal boot.\n"); + acpi_slp_type=0; + break; + case SKPAD_ACPI_S3_MAGIC: + printk(BIOS_DEBUG, "S3 Resume.\n"); + acpi_slp_type=3; + break; + default: + printk(BIOS_DEBUG, "Unknown boot method, assuming normal.\n"); + acpi_slp_type=0; + break; + } +#endif +} + +struct chip_operations southbridge_intel_i82801ix_ops = { + CHIP_NAME("Intel ICH9/ICH9-M (82801Ix) Series Southbridge") + .enable_dev = i82801ix_enable_device, + .init = i82801ix_init, +}; diff --git a/src/southbridge/intel/i82801ix/i82801ix.h b/src/southbridge/intel/i82801ix/i82801ix.h new file mode 100644 index 0000000000..5b963e63d6 --- /dev/null +++ b/src/southbridge/intel/i82801ix/i82801ix.h @@ -0,0 +1,222 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef SOUTHBRIDGE_INTEL_I82801GX_I82801IX_H +#define SOUTHBRIDGE_INTEL_I82801GX_I82801IX_H + +#ifndef __ACPI__ +#ifndef __ASSEMBLER__ +#include "chip.h" +#endif +#endif + +#define DEFAULT_TBAR 0xfed1b000 +#define DEFAULT_RCBA 0xfed1c000 +#define DEFAULT_PMBASE 0x00000500 /* Speedstep code has this hardcoded, too. */ +#define DEFAULT_TCOBASE (DEFAULT_PMBASE + 0x60) +#define DEFAULT_GPIOBASE 0x00000580 + + +#define APM_CNT 0xb2 + +#define PM1_STS 0x00 +#define PWRBTN_STS (1 << 8) +#define RTC_STS (1 << 10) +#define PM1_EN 0x02 +#define PWRBTN_EN (1 << 8) +#define GBL_EN (1 << 5) +#define PM1_CNT 0x04 +#define SCI_EN (1 << 0) +#define PM_LV2 0x14 +#define PM_LV3 0x15 +#define PM_LV4 0x16 +#define PM_LV5 0x17 +#define PM_LV6 0x18 +#define GPE0_STS 0x20 +#define SMI_EN 0x30 +#define PERIODIC_EN (1 << 14) +#define TCO_EN (1 << 13) +#define APMC_EN (1 << 5) +#define BIOS_EN (1 << 2) +#define EOS (1 << 1) +#define GBL_SMI_EN (1 << 0) +#define SMI_STS 0x34 +#define ALT_GP_SMI_EN 0x38 +#define ALT_GP_SMI_STS 0x3a + + +#define DEBUG_PERIODIC_SMIS 0 + +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 +#define MAINBOARD_POWER_KEEP 2 + +#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL +#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON +#endif + + +/* D31:F0 LPC bridge */ +#define D31F0_PMBASE 0x40 +#define D31F0_ACPI_CNTL 0x44 +#define D31F0_GPIO_BASE 0x48 +#define D31F0_GPIO_CNTL 0x4c +#define D31F0_PIRQA_ROUT 0x60 +#define D31F0_PIRQB_ROUT 0x61 +#define D31F0_PIRQC_ROUT 0x62 +#define D31F0_PIRQD_ROUT 0x63 +#define D31F0_SERIRQ_CNTL 0x64 +#define D31F0_PIRQE_ROUT 0x68 +#define D31F0_PIRQF_ROUT 0x69 +#define D31F0_PIRQG_ROUT 0x6a +#define D31F0_PIRQH_ROUT 0x6b +#define D31F0_LPC_IODEC 0x80 +#define D31F0_LPC_EN 0x82 +#define D31F0_GEN1_DEC 0x84 +#define D31F0_GEN_PMCON_1 0xa0 +#define D31F0_GEN_PMCON_3 0xa4 +#define D31F0_C5_EXIT_TIMING 0xa8 +#define D31F0_CxSTATE_CNF 0xa9 +#define D31F0_C4TIMING_CNT 0xaa +#define D31F0_GPIO_ROUT 0xb8 +#define D31F0_RCBA 0xf0 + +/* GEN_PMCON_3 bits */ +#define RTC_BATTERY_DEAD (1 << 2) +#define RTC_POWER_FAILED (1 << 1) +#define SLEEP_AFTER_POWER_FAIL (1 << 0) + + +/* D31:F2 SATA */ +#define D31F2_IDE_TIM_PRI 0x40 +#define D31F2_IDE_TIM_SEC 0x42 +#define D31F2_SIDX 0xa0 +#define D31F2_SDAT 0xa4 + + +/* D30:F0 PCI-to-PCI bridge */ +#define D30F0_SMLT 0x1b + + +/* D28:F0-5 PCIe root ports */ +#define D28Fx_XCAP 0x42 +#define D28Fx_SLCAP 0x54 + + +#define SMBUS_IO_BASE 0x0400 + +/* PCI Configuration Space (D31:F3): SMBus */ +#define SMB_BASE 0x20 +#define HOSTC 0x40 + +/* HOSTC bits */ +#define I2C_EN (1 << 2) +#define SMB_SMI_EN (1 << 1) +#define HST_EN (1 << 0) + +/* SMBus I/O bits. */ +#define SMBHSTSTAT 0x0 +#define SMBHSTCTL 0x2 +#define SMBHSTCMD 0x3 +#define SMBXMITADD 0x4 +#define SMBHSTDAT0 0x5 +#define SMBHSTDAT1 0x6 +#define SMBBLKDAT 0x7 +#define SMBTRNSADD 0x9 +#define SMBSLVDATA 0xa +#define SMLINK_PIN_CTL 0xe +#define SMBUS_PIN_CTL 0xf + +#define SMBUS_TIMEOUT (10 * 1000 * 100) + + +#define RCBA8(x) *((volatile u8 *)(DEFAULT_RCBA + x)) +#define RCBA16(x) *((volatile u16 *)(DEFAULT_RCBA + x)) +#define RCBA32(x) *((volatile u32 *)(DEFAULT_RCBA + x)) + +#define RCBA_V0CTL 0x0014 +#define RCBA_V1CAP 0x001c +#define RCBA_V1CTL 0x0020 +#define RCBA_V1STS 0x0026 +#define RCBA_PAT 0x0030 +#define RCBA_ESD 0x0104 +#define RCBA_ULD 0x0110 +#define RCBA_ULBA 0x0118 +#define RCBA_LCAP 0x01a4 +#define RCBA_LCTL 0x01a8 +#define RCBA_LSTS 0x01aa +#define RCBA_DMIC 0x0234 +#define RCBA_RPFN 0x0238 +#define RCBA_DMC 0x2010 +#define RCBA_HPTC 0x3404 +#define RCBA_BUC 0x3414 +#define RCBA_FD 0x3418 /* Function Disable, see below. */ +#define RCBA_CG 0x341c +#define RCBA_FDSW 0x3420 +#define RCBA_MAP 0x35f0 /* UHCI cotroller #6 remapping */ + +#define BUC_LAND (1 << 5) /* LAN */ +#define FD_SAD2 (1 << 25) /* SATA #2 */ +#define FD_TTD (1 << 24) /* Thermal Throttle */ +#define FD_PE6D (1 << 21) /* PCIe root port 6 */ +#define FD_PE5D (1 << 20) /* PCIe root port 5 */ +#define FD_PE4D (1 << 19) /* PCIe root port 4 */ +#define FD_PE3D (1 << 18) /* PCIe root port 3 */ +#define FD_PE2D (1 << 17) /* PCIe root port 2 */ +#define FD_PE1D (1 << 16) /* PCIe root port 1 */ +#define FD_EHCI1D (1 << 15) /* EHCI #1 */ +#define FD_LBD (1 << 14) /* LPC bridge */ +#define FD_EHCI2D (1 << 13) /* EHCI #2 */ +#define FD_U5D (1 << 12) /* UHCI #5 */ +#define FD_U4D (1 << 11) /* UHCI #4 */ +#define FD_U3D (1 << 10) /* UHCI #3 */ +#define FD_U2D (1 << 9) /* UHCI #2 */ +#define FD_U1D (1 << 8) /* UHCI #1 */ +#define FD_U6D (1 << 7) /* UHCI #6 */ +#define FD_HDAD (1 << 4) /* HD audio */ +#define FD_SD (1 << 3) /* SMBus */ +#define FD_SAD1 (1 << 2) /* SATA #1 */ + + +#define SKPAD_ACPI_S3_MAGIC 0xcafed00d +#define SKPAD_NORMAL_BOOT_MAGIC 0xcafebabe + + +#ifndef __ACPI__ +#ifndef __ASSEMBLER__ + +static inline int lpc_is_mobile(const u16 devid) +{ + return (devid == 0x2917) || (devid == 0x2919); +} +#define LPC_IS_MOBILE(dev) lpc_is_mobile(pci_read_config16(dev, PCI_DEVICE_ID)) + +#if defined(__PRE_RAM__) +void enable_smbus(void); +int smbus_read_byte(unsigned device, unsigned address); +void i82801ix_early_init(void); +void i82801ix_dmi_setup(void); +void i82801ix_dmi_poll_vc1(void); +#endif + +#endif +#endif + +#endif diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c new file mode 100644 index 0000000000..3c91cc2e2c --- /dev/null +++ b/src/southbridge/intel/i82801ix/lpc.c @@ -0,0 +1,566 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <pc80/mc146818rtc.h> +#include <pc80/isa-dma.h> +#include <pc80/i8259.h> +#include <arch/io.h> +#include <arch/ioapic.h> +#include <arch/acpi.h> +#include <cpu/cpu.h> +#include <cpu/x86/smm.h> +#include "i82801ix.h" + +#define NMI_OFF 0 + +#define ENABLE_ACPI_MODE_IN_COREBOOT 0 +#define TEST_SMM_FLASH_LOCKDOWN 0 + +typedef struct southbridge_intel_i82801ix_config config_t; + +static void i82801ix_enable_apic(struct device *dev) +{ + u8 dummy; + u32 reg32; + volatile u32 *ioapic_index = (volatile u32 *)(IO_APIC_ADDR); + volatile u32 *ioapic_data = (volatile u32 *)(IO_APIC_ADDR + 0x10); + + /* Enable IOAPIC. Keep APIC Range Select at zero. */ + RCBA8(0x31ff) = 0x03; + /* We have to read 0x31ff back if bit0 changed. */ + dummy = RCBA8(0x31ff); + + /* Lock maximum redirection entries (MRE), R/WO register. */ + *ioapic_index = 0x01; + reg32 = *ioapic_data; + *ioapic_index = 0x01; + *ioapic_data = reg32; + + setup_ioapic(IO_APIC_ADDR, 2); /* ICH7 code uses id 2. */ +} + +static void i82801ix_enable_serial_irqs(struct device *dev) +{ + /* Set packet length and toggle silent mode bit for one frame. */ + pci_write_config8(dev, D31F0_SERIRQ_CNTL, + (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0)); +} + +/* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control + * 0x00 - 0000 = Reserved + * 0x01 - 0001 = Reserved + * 0x02 - 0010 = Reserved + * 0x03 - 0011 = IRQ3 + * 0x04 - 0100 = IRQ4 + * 0x05 - 0101 = IRQ5 + * 0x06 - 0110 = IRQ6 + * 0x07 - 0111 = IRQ7 + * 0x08 - 1000 = Reserved + * 0x09 - 1001 = IRQ9 + * 0x0A - 1010 = IRQ10 + * 0x0B - 1011 = IRQ11 + * 0x0C - 1100 = IRQ12 + * 0x0D - 1101 = Reserved + * 0x0E - 1110 = IRQ14 + * 0x0F - 1111 = IRQ15 + * PIRQ[n]_ROUT[7] - PIRQ Routing Control + * 0x80 - The PIRQ is not routed. + */ + +static void i82801ix_pirq_init(device_t dev) +{ + device_t irq_dev; + /* Get the chip configuration */ + config_t *config = dev->chip_info; + + pci_write_config8(dev, D31F0_PIRQA_ROUT, config->pirqa_routing); + pci_write_config8(dev, D31F0_PIRQB_ROUT, config->pirqb_routing); + pci_write_config8(dev, D31F0_PIRQC_ROUT, config->pirqc_routing); + pci_write_config8(dev, D31F0_PIRQD_ROUT, config->pirqd_routing); + + pci_write_config8(dev, D31F0_PIRQE_ROUT, config->pirqe_routing); + pci_write_config8(dev, D31F0_PIRQF_ROUT, config->pirqf_routing); + pci_write_config8(dev, D31F0_PIRQG_ROUT, config->pirqg_routing); + pci_write_config8(dev, D31F0_PIRQH_ROUT, config->pirqh_routing); + + /* Eric Biederman once said we should let the OS do this. + * I am not so sure anymore he was right. + */ + + for(irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) { + u8 int_pin=0, int_line=0; + + if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI) + continue; + + int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN); + + switch (int_pin) { + case 1: /* INTA# */ int_line = config->pirqa_routing; break; + case 2: /* INTB# */ int_line = config->pirqb_routing; break; + case 3: /* INTC# */ int_line = config->pirqc_routing; break; + case 4: /* INTD# */ int_line = config->pirqd_routing; break; + } + + if (!int_line) + continue; + + pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line); + } +} + +static void i82801ix_gpi_routing(device_t dev) +{ + /* Get the chip configuration */ + config_t *config = dev->chip_info; + u32 reg32 = 0; + + /* An array would be much nicer here, or some + * other method of doing this. + */ + reg32 |= (config->gpi0_routing & 0x03) << 0; + reg32 |= (config->gpi1_routing & 0x03) << 2; + reg32 |= (config->gpi2_routing & 0x03) << 4; + reg32 |= (config->gpi3_routing & 0x03) << 6; + reg32 |= (config->gpi4_routing & 0x03) << 8; + reg32 |= (config->gpi5_routing & 0x03) << 10; + reg32 |= (config->gpi6_routing & 0x03) << 12; + reg32 |= (config->gpi7_routing & 0x03) << 14; + reg32 |= (config->gpi8_routing & 0x03) << 16; + reg32 |= (config->gpi9_routing & 0x03) << 18; + reg32 |= (config->gpi10_routing & 0x03) << 20; + reg32 |= (config->gpi11_routing & 0x03) << 22; + reg32 |= (config->gpi12_routing & 0x03) << 24; + reg32 |= (config->gpi13_routing & 0x03) << 26; + reg32 |= (config->gpi14_routing & 0x03) << 28; + reg32 |= (config->gpi15_routing & 0x03) << 30; + + pci_write_config32(dev, D31F0_GPIO_ROUT, reg32); +} + +static void i82801ix_power_options(device_t dev) +{ + u8 reg8; + u16 reg16, pmbase; + u32 reg32; + const char *state; + /* Get the chip configuration */ + config_t *config = dev->chip_info; + + int pwr_on=CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; + int nmi_option; + + /* BIOS must program... */ + reg32 = pci_read_config32(dev, 0xac); + pci_write_config32(dev, 0xac, reg32 | (1 << 30) | (3 << 8)); + + /* Which state do we want to goto after g3 (power restored)? + * 0 == S0 Full On + * 1 == S5 Soft Off + * + * If the option is not existent (Laptops), use MAINBOARD_POWER_ON. + */ + if (get_option(&pwr_on, "power_on_after_fail") < 0) + pwr_on = MAINBOARD_POWER_ON; + + reg8 = pci_read_config8(dev, D31F0_GEN_PMCON_3); + reg8 &= 0xfe; + switch (pwr_on) { + case MAINBOARD_POWER_OFF: + reg8 |= 1; + state = "off"; + break; + case MAINBOARD_POWER_ON: + reg8 &= ~1; + state = "on"; + break; + case MAINBOARD_POWER_KEEP: + reg8 &= ~1; + state = "state keep"; + break; + default: + state = "undefined"; + } + + reg8 |= (3 << 4); /* avoid #S4 assertions */ + reg8 &= ~(1 << 3); /* minimum asssertion is 1 to 2 RTCCLK */ + + pci_write_config8(dev, D31F0_GEN_PMCON_3, reg8); + printk(BIOS_INFO, "Set power %s after power failure.\n", state); + + /* Set up NMI on errors. */ + reg8 = inb(0x61); + reg8 &= 0x0f; /* Higher Nibble must be 0 */ + reg8 &= ~(1 << 3); /* IOCHK# NMI Enable */ + // reg8 &= ~(1 << 2); /* PCI SERR# Enable */ + reg8 |= (1 << 2); /* PCI SERR# Disable for now */ + outb(reg8, 0x61); + + reg8 = inb(0x74); /* Read from 0x74 as 0x70 is write only. */ + nmi_option = NMI_OFF; + get_option(&nmi_option, "nmi"); + if (nmi_option) { + printk(BIOS_INFO, "NMI sources enabled.\n"); + reg8 &= ~(1 << 7); /* Set NMI. */ + } else { + printk(BIOS_INFO, "NMI sources disabled.\n"); + reg8 |= ( 1 << 7); /* Can't mask NMI from PCI-E and NMI_NOW */ + } + outb(reg8, 0x70); + + /* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */ + reg16 = pci_read_config16(dev, D31F0_GEN_PMCON_1); + reg16 &= ~(3 << 0); // SMI# rate 1 minute + reg16 |= (1 << 2); // CLKRUN_EN - Mobile/Ultra only + reg16 |= (1 << 3); // Speedstep Enable - Mobile/Ultra only + reg16 |= (1 << 5); // CPUSLP_EN Desktop only + + if (config->c4onc3_enable) + reg16 |= (1 << 7); + + // another laptop wants this? + // reg16 &= ~(1 << 10); // BIOS_PCI_EXP_EN - Desktop/Mobile only + reg16 |= (1 << 10); // BIOS_PCI_EXP_EN - Desktop/Mobile only +#if DEBUG_PERIODIC_SMIS + /* Set DEBUG_PERIODIC_SMIS in i82801ix.h to debug using + * periodic SMIs. + */ + reg16 |= (3 << 0); // Periodic SMI every 8s +#endif + if (config->c5_enable) + reg16 |= (1 << 11); /* Enable C5, C6 and PMSYNC# */ + pci_write_config16(dev, D31F0_GEN_PMCON_1, reg16); + + /* Set exit timings for C5/C6. */ + if (config->c5_enable) { + reg8 = pci_read_config8(dev, D31F0_C5_EXIT_TIMING); + reg8 &= ~((7 << 3) | (7 << 0)); + if (config->c6_enable) + reg8 |= (5 << 3) | (3 << 0); /* 38-44us PMSYNC# to STPCLK#, + 95-102us DPRSTP# to STP_CPU# */ + else + reg8 |= (0 << 3) | (1 << 0); /* 16-17us PMSYNC# to STPCLK#, + 34-40us DPRSTP# to STP_CPU# */ + pci_write_config8(dev, D31F0_C5_EXIT_TIMING, reg8); + } + + // Set the board's GPI routing. + i82801ix_gpi_routing(dev); + + pmbase = pci_read_config16(dev, 0x40) & 0xfffe; + + outl(config->gpe0_en, pmbase + 0x28); + outw(config->alt_gp_smi_en, pmbase + 0x38); + + /* Set up power management block and determine sleep mode */ + reg16 = inw(pmbase + 0x00); /* PM1_STS */ + outw(reg16, pmbase + 0x00); /* Clear status bits. At least bit11 (power + button override) must be cleared or SCI + will be constantly fired and OSPM must + not know about it (ACPI spec says to + ignore the bit). */ + reg32 = inl(pmbase + 0x04); // PM1_CNT + reg32 &= ~(7 << 10); // SLP_TYP + outl(reg32, pmbase + 0x04); + + /* Set duty cycle for hardware throttling (defaults to 0x0: 50%). */ + reg32 = inl(pmbase + 0x10); + reg32 &= ~(7 << 5); + reg32 |= (config->throttle_duty & 7) << 5; + outl(reg32, pmbase + 0x10); +} + +static void i82801ix_configure_cstates(device_t dev) +{ + u8 reg8; + + reg8 = pci_read_config8(dev, D31F0_CxSTATE_CNF); + reg8 |= (1 << 4) | (1 << 3) | (1 << 2); // Enable Popup & Popdown + pci_write_config8(dev, D31F0_CxSTATE_CNF, reg8); + + // Set Deeper Sleep configuration to recommended values + reg8 = pci_read_config8(dev, D31F0_C4TIMING_CNT); + reg8 &= 0xf0; + reg8 |= (2 << 2); // Deeper Sleep to Stop CPU: 34-40us + reg8 |= (2 << 0); // Deeper Sleep to Sleep: 15us + pci_write_config8(dev, D31F0_C4TIMING_CNT, reg8); + + /* We could enable slow-C4 exit here, if someone needs it? */ +} + +static void i82801ix_rtc_init(struct device *dev) +{ + u8 reg8; + int rtc_failed; + + reg8 = pci_read_config8(dev, D31F0_GEN_PMCON_3); + rtc_failed = reg8 & RTC_BATTERY_DEAD; + if (rtc_failed) { + reg8 &= ~RTC_BATTERY_DEAD; + pci_write_config8(dev, D31F0_GEN_PMCON_3, reg8); + } + printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed); + + rtc_init(rtc_failed); +} + +static void enable_hpet(void) +{ + u32 reg32; + + /* Move HPET to default address 0xfed00000 and enable it */ + reg32 = RCBA32(RCBA_HPTC); + reg32 |= (1 << 7); // HPET Address Enable + reg32 &= ~(3 << 0); + RCBA32(RCBA_HPTC) = reg32; +} + +static void enable_clock_gating(void) +{ + u32 reg32; + + /* Enable DMI dynamic clock gating. */ + RCBA32(RCBA_DMIC) |= 3; + + /* Enable Clock Gating for most devices. */ + reg32 = RCBA32(RCBA_CG); + reg32 |= (1 << 31); /* LPC dynamic clock gating */ + /* USB UHCI dynamic clock gating: */ + reg32 |= (1 << 29) | (1 << 28); + /* SATA dynamic clock gating [0-3]: */ + reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24); + reg32 |= (1 << 23); /* LAN static clock gating (if LAN disabled) */ + reg32 |= (1 << 22); /* HD audio dynamic clock gating */ + reg32 &= ~(1 << 21); /* No HD audio static clock gating */ + reg32 &= ~(1 << 20); /* No USB EHCI static clock gating */ + reg32 |= (1 << 19); /* USB EHCI dynamic clock gating */ + /* More SATA dynamic clock gating [4-5]: */ + reg32 |= (1 << 18) | (1 << 17); + reg32 |= (1 << 16); /* PCI dynamic clock gating */ + /* PCIe, DMI dynamic clock gating: */ + reg32 |= (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1); + reg32 |= (1 << 0); /* PCIe root port static clock gating */ + RCBA32(RCBA_CG) = reg32; + + /* Enable SPI dynamic clock gating. */ + RCBA32(0x38c0) |= 7; +} + +#if CONFIG_HAVE_SMI_HANDLER +static void i82801ix_lock_smm(struct device *dev) +{ +#if TEST_SMM_FLASH_LOCKDOWN + u8 reg8; +#endif + + if (acpi_slp_type != 3) { +#if ENABLE_ACPI_MODE_IN_COREBOOT + printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n"); + outb(APM_CNT_ACPI_ENABLE, APM_CNT); // Enable ACPI mode + printk(BIOS_DEBUG, "done.\n"); +#else + printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n"); + outb(APM_CNT_ACPI_DISABLE, APM_CNT); // Disable ACPI mode + printk(BIOS_DEBUG, "done.\n"); +#endif + } else { + printk(BIOS_DEBUG, "S3 wakeup, enabling ACPI via APMC\n"); + outb(APM_CNT_ACPI_ENABLE, APM_CNT); + } + /* Don't allow evil boot loaders, kernels, or + * userspace applications to deceive us: + */ + smm_lock(); + +#if TEST_SMM_FLASH_LOCKDOWN + /* Now try this: */ + printk(BIOS_DEBUG, "Locking BIOS to RO... "); + reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */ + printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off", + (reg8&1)?"rw":"ro"); + reg8 &= ~(1 << 0); /* clear BIOSWE */ + pci_write_config8(dev, 0xdc, reg8); + reg8 |= (1 << 1); /* set BLE */ + pci_write_config8(dev, 0xdc, reg8); + printk(BIOS_DEBUG, "ok.\n"); + reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */ + printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off", + (reg8&1)?"rw":"ro"); + + printk(BIOS_DEBUG, "Writing:\n"); + *(volatile u8 *)0xfff00000 = 0x00; + printk(BIOS_DEBUG, "Testing:\n"); + reg8 |= (1 << 0); /* set BIOSWE */ + pci_write_config8(dev, 0xdc, reg8); + + reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */ + printk(BIOS_DEBUG, " BLE: %s; BWE: %s\n", (reg8&2)?"on":"off", + (reg8&1)?"rw":"ro"); + printk(BIOS_DEBUG, "Done.\n"); +#endif +} +#endif + +static void lpc_init(struct device *dev) +{ + printk(BIOS_DEBUG, "i82801ix: lpc_init\n"); + + /* Set the value for PCI command register. */ + pci_write_config16(dev, PCI_COMMAND, 0x000f); + + /* IO APIC initialization. */ + i82801ix_enable_apic(dev); + + i82801ix_enable_serial_irqs(dev); + + /* Setup the PIRQ. */ + i82801ix_pirq_init(dev); + + /* Setup power options. */ + i82801ix_power_options(dev); + + /* Configure Cx state registers */ + if (LPC_IS_MOBILE(dev)) + i82801ix_configure_cstates(dev); + + /* Initialize the real time clock. */ + i82801ix_rtc_init(dev); + + /* Initialize ISA DMA. */ + isa_dma_init(); + + /* Initialize the High Precision Event Timers, if present. */ + enable_hpet(); + + /* Initialize Clock Gating */ + enable_clock_gating(); + + setup_i8259(); + + /* The OS should do this? */ + /* Interrupt 9 should be level triggered (SCI) */ + i8259_configure_irq_trigger(9, 1); + +#if CONFIG_HAVE_SMI_HANDLER + i82801ix_lock_smm(dev); +#endif +} + +static void i82801ix_lpc_read_resources(device_t dev) +{ + /* + * I/O Resources + * + * 0x0000 - 0x000f....ISA DMA + * 0x0010 - 0x001f....ISA DMA aliases + * 0x0020 ~ 0x003d....PIC + * 0x002e - 0x002f....Maybe Super I/O + * 0x0040 - 0x0043....Timer + * 0x004e - 0x004f....Maybe Super I/O + * 0x0050 - 0x0053....Timer aliases + * 0x0061.............NMI_SC + * 0x0070.............NMI_EN (readable in alternative access mode) + * 0x0070 - 0x0077....RTC + * 0x0080 - 0x008f....ISA DMA + * 0x0090 ~ 0x009f....ISA DMA aliases + * 0x0092.............Fast A20 and Init + * 0x00a0 ~ 0x00bd....PIC + * 0x00b2 - 0x00b3....APM + * 0x00c0 ~ 0x00de....ISA DMA + * 0x00c1 ~ 0x00df....ISA DMA aliases + * 0x00f0.............Coprocessor Error + * (0x0400-0x041f)....SMBus (SMBUS_IO_BASE, during raminit) + * 0x04d0 - 0x04d1....PIC + * 0x0500 - 0x057f....PM (DEFAULT_PMBASE) + * 0x0580 - 0x05bf....SB GPIO (DEFAULT_GPIOBASE) + * 0x05c0 - 0x05ff....SB GPIO cont. (mobile only) + * 0x0cf8 - 0x0cff....PCI + * 0x0cf9.............Reset Control + */ + + struct resource *res; + + /* Get the normal PCI resources of this device. */ + pci_dev_read_resources(dev); + + /* Add an extra subtractive resource for both memory and I/O. */ + res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0)); + res->base = 0; + res->size = 0x1000; + res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0)); + res->base = 0xff800000; + res->size = 0x00800000; /* 8 MB for flash */ + res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + res = new_resource(dev, 3); /* IOAPIC */ + res->base = IO_APIC_ADDR; + res->size = 0x00001000; + res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; +} + +static void set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations pci_ops = { + .set_subsystem = set_subsystem, +}; + +static struct device_operations device_ops = { + .read_resources = i82801ix_lpc_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = lpc_init, + .scan_bus = scan_static_bus, + .ops_pci = &pci_ops, +}; + +static const unsigned short pci_device_ids[] = { + 0x2912, /* ICH9DH */ + 0x2914, /* ICH9DO */ + 0x2916, /* ICH9R */ + 0x2918, /* ICH9 */ + 0x2917, /* ICH9M-E */ + 0x2919, /* ICH9M */ + 0 +}; + +static const struct pci_driver ich9_lpc __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; + diff --git a/src/southbridge/intel/i82801ix/nvs.h b/src/southbridge/intel/i82801ix/nvs.h new file mode 100644 index 0000000000..03f8de74ea --- /dev/null +++ b/src/southbridge/intel/i82801ix/nvs.h @@ -0,0 +1,138 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +typedef struct { + /* Miscellaneous */ + u16 osys; /* 0x00 - Operating System */ + u8 smif; /* 0x02 - SMI function call ("TRAP") */ + u8 prm0; /* 0x03 - SMI function call parameter */ + u8 prm1; /* 0x04 - SMI function call parameter */ + u8 scif; /* 0x05 - SCI function call (via _L00) */ + u8 prm2; /* 0x06 - SCI function call parameter */ + u8 prm3; /* 0x07 - SCI function call parameter */ + u8 lckf; /* 0x08 - Global Lock function for EC */ + u8 prm4; /* 0x09 - Lock function parameter */ + u8 prm5; /* 0x0a - Lock function parameter */ + u32 p80d; /* 0x0b - Debug port (IO 0x80) value */ + u8 lids; /* 0x0f - LID state (open = 1) */ + u8 pwrs; /* 0x10 - Power state (AC = 1) */ + u8 dbgs; /* 0x11 - Debug state */ + u8 linx; /* 0x12 - Linux OS */ + u8 dckn; /* 0x13 - PCIe docking state */ + /* Thermal policy */ + u8 actt; /* 0x14 - active trip point */ + u8 psvt; /* 0x15 - passive trip point */ + u8 tc1v; /* 0x16 - passive trip point TC1 */ + u8 tc2v; /* 0x17 - passive trip point TC2 */ + u8 tspv; /* 0x18 - passive trip point TSP */ + u8 crtt; /* 0x19 - critical trip point */ + u8 dtse; /* 0x1a - Digital Thermal Sensor enable */ + u8 dts1; /* 0x1b - DT sensor 1 */ + u8 dts2; /* 0x1c - DT sensor 2 */ + u8 rsvd2; + /* Battery Support */ + u8 bnum; /* 0x1e - number of batteries */ + u8 b0sc, b1sc, b2sc; /* 0x1f-0x21 - stored capacity */ + u8 b0ss, b1ss, b2ss; /* 0x22-0x24 - stored status */ + u8 rsvd3[3]; + /* Processor Identification */ + u8 apic; /* 0x28 - APIC enabled */ + u8 mpen; /* 0x29 - MP capable/enabled */ + u8 pcp0; /* 0x2a - PDC CPU/CORE 0 */ + u8 pcp1; /* 0x2b - PDC CPU/CORE 1 */ + u8 ppcm; /* 0x2c - Max. PPC state */ + u8 rsvd4[5]; + /* Super I/O & CMOS config */ + u8 natp; /* 0x32 - SIO type */ + u8 cmap; /* 0x33 - */ + u8 cmbp; /* 0x34 - */ + u8 lptp; /* 0x35 - LPT port */ + u8 fdcp; /* 0x36 - Floppy Disk Controller */ + u8 rfdv; /* 0x37 - */ + u8 hotk; /* 0x38 - Hot Key */ + u8 rtcf; + u8 util; + u8 acin; + /* Integrated Graphics Device */ + u8 igds; /* 0x3c - IGD state */ + u8 tlst; /* 0x3d - Display Toggle List Pointer */ + u8 cadl; /* 0x3e - currently attached devices */ + u8 padl; /* 0x3f - previously attached devices */ + u16 cste; /* 0x40 - current display state */ + u16 nste; /* 0x42 - next display state */ + u16 sste; /* 0x44 - set display state */ + u8 ndid; /* 0x46 - number of device ids */ + u32 did[5]; /* 0x47 - 5b device id 1..5 */ + u8 rsvd5[0x9]; + /* Backlight Control */ + u8 blcs; /* 0x64 - Backlight Control possible */ + u8 brtl; + u8 odds; + u8 rsvd6[0x7]; + /* Ambient Light Sensors*/ + u8 alse; /* 0x6e - ALS enable */ + u8 alaf; + u8 llow; + u8 lhih; + u8 rsvd7[0x6]; + /* EMA */ + u8 emae; /* 0x78 - EMA enable */ + u16 emap; + u16 emal; + u8 rsvd8[0x5]; + /* MEF */ + u8 mefe; /* 0x82 - MEF enable */ + u8 rsvd9[0x9]; + /* TPM support */ + u8 tpmp; /* 0x8c - TPM */ + u8 tpme; + u8 rsvd10[8]; + /* SATA */ + u8 gtf0[7]; /* 0x96 - GTF task file buffer for port 0 */ + u8 gtf1[7]; + u8 gtf2[7]; + u8 idem; + u8 idet; + u8 rsvd11[7]; + /* IGD OpRegion (not implemented yet) */ + u32 aslb; /* 0xb4 - IGD OpRegion Base Address */ + u8 ibtt; + u8 ipat; + u8 itvf; + u8 itvm; + u8 ipsc; + u8 iblc; + u8 ibia; + u8 issc; + u8 i409; + u8 i509; + u8 i609; + u8 i709; + u8 idmm; + u8 idms; + u8 if1e; + u8 hvco; + u32 nxd[8]; + u8 rsvd12[8]; + /* Mainboard specific */ + u8 dock; /* 0xf0 - Docking Status */ + u8 bten; + u8 rsvd13[14]; +} __attribute__((packed)) global_nvs_t; + diff --git a/src/southbridge/intel/i82801ix/pci.c b/src/southbridge/intel/i82801ix/pci.c new file mode 100644 index 0000000000..3d993eec6b --- /dev/null +++ b/src/southbridge/intel/i82801ix/pci.c @@ -0,0 +1,86 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include "i82801ix.h" + +static void pci_init(struct device *dev) +{ + u16 reg16; + u8 reg8; + + /* This device has no interrupt */ + pci_write_config8(dev, PCI_INTERRUPT_LINE, 0xff); + + /* Master Latency Count must be set to 0x04! */ + reg8 = pci_read_config8(dev, D30F0_SMLT); + reg8 &= 0x07; + reg8 |= (0x04 << 3); + pci_write_config8(dev, D30F0_SMLT, reg8); + + /* Clear errors in status registers */ + reg16 = pci_read_config16(dev, PCI_STATUS); + //reg16 |= 0xf900; + pci_write_config16(dev, PCI_STATUS, reg16); + + reg16 = pci_read_config16(dev, PCI_SEC_STATUS); + // reg16 |= 0xf900; + pci_write_config16(dev, PCI_SEC_STATUS, reg16); +} + +static void set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + /* NOTE: 0x54 is not the default position! */ + if (!vendor || !device) { + pci_write_config32(dev, 0x54, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, 0x54, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations pci_ops = { + .set_subsystem = set_subsystem, +}; + +static struct device_operations device_ops = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .init = pci_init, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .ops_pci = &pci_ops, +}; + +static const unsigned short pci_device_ids[] = { + 0x244e, /* Desktop */ + 0x2448, /* Mobile */ + 0 +}; + +static const struct pci_driver ich9_pci __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; diff --git a/src/southbridge/intel/i82801ix/pcie.c b/src/southbridge/intel/i82801ix/pcie.c new file mode 100644 index 0000000000..fcf6668f59 --- /dev/null +++ b/src/southbridge/intel/i82801ix/pcie.c @@ -0,0 +1,134 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pciexp.h> +#include <device/pci_ids.h> + +static void pci_init(struct device *dev) +{ + u16 reg16; + u32 reg32; + + printk(BIOS_DEBUG, "Initializing ICH9 PCIe root port.\n"); + + /* Enable Bus Master */ + reg32 = pci_read_config32(dev, PCI_COMMAND); + reg32 |= PCI_COMMAND_MASTER; + pci_write_config32(dev, PCI_COMMAND, reg32); + + /* Set Cache Line Size to 0x10 */ + // This has no effect but the OS might expect it + pci_write_config8(dev, 0x0c, 0x10); + + reg16 = pci_read_config16(dev, 0x3e); + reg16 &= ~(1 << 0); /* disable parity error response */ + reg16 |= (1 << 2); /* ISA enable */ + pci_write_config16(dev, 0x3e, reg16); + + /* Enable IO xAPIC on this PCIe port */ + reg32 = pci_read_config32(dev, 0xd8); + reg32 |= (1 << 7); + pci_write_config32(dev, 0xd8, reg32); + + /* Enable Backbone Clock Gating */ + reg32 = pci_read_config32(dev, 0xe1); + reg32 |= (1 << 3) | (1 << 2) | (1 << 1) | (1 << 0); + pci_write_config32(dev, 0xe1, reg32); + +#if CONFIG_MMCONF_SUPPORT + /* Set VC0 transaction class */ + reg32 = pci_mmio_read_config32(dev, 0x114); + reg32 &= 0xffffff00; + reg32 |= 1; + pci_mmio_write_config32(dev, 0x114, reg32); + + /* Mask completion timeouts */ + reg32 = pci_mmio_read_config32(dev, 0x148); + reg32 |= (1 << 14); + pci_mmio_write_config32(dev, 0x148, reg32); + + /* Lock R/WO Correctable Error Mask. */ + pci_mmio_write_config32(dev, 0x154, pci_mmio_read_config32(dev, 0x154)); +#else +#error "MMIO needed for ICH9 PCIe" +#endif + + /* Clear errors in status registers */ + reg16 = pci_read_config16(dev, 0x06); + pci_write_config16(dev, 0x06, reg16); + reg16 = pci_read_config16(dev, 0x1e); + pci_write_config16(dev, 0x1e, reg16); + + /* Get configured ASPM state */ + const enum aspm_type apmc = pci_read_config32(dev, 0x50) & 3; + + /* If both L0s and L1 enabled then set root port 0xE8[1]=1 */ + if (apmc == PCIE_ASPM_BOTH) { + reg32 = pci_read_config32(dev, 0xe8); + reg32 |= (1 << 1); + pci_write_config32(dev, 0xe8, reg32); + } +} + +static void pcie_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + /* NOTE: 0x94 is not the default position! */ + if (!vendor || !device) { + pci_write_config32(dev, 0x94, + pci_read_config32(dev, 0)); + } else { + pci_write_config32(dev, 0x94, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations pci_ops = { + .set_subsystem = pcie_set_subsystem, +}; + +static struct device_operations device_ops = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .init = pci_init, + .scan_bus = pciexp_scan_bridge, + .ops_pci = &pci_ops, +}; + +/* 82801Ix (ICH9DH/ICH9DO/ICH9R/ICH9/ICH9M-E/ICH9M) */ +static const unsigned short pci_device_ids[] = { + 0x2940, /* Port 1 */ + 0x2942, /* Port 2 */ + 0x2944, /* Port 3 */ + 0x2946, /* Port 4 */ + 0x2948, /* Port 5 */ + 0x294a, /* Port 6 */ + 0 +}; +static const struct pci_driver ich9_pcie __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; + diff --git a/src/southbridge/intel/i82801ix/sata.c b/src/southbridge/intel/i82801ix/sata.c new file mode 100644 index 0000000000..595b80cb53 --- /dev/null +++ b/src/southbridge/intel/i82801ix/sata.c @@ -0,0 +1,285 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include "i82801ix.h" + +typedef struct southbridge_intel_i82801ix_config config_t; + +static void sata_enable_ahci_mmap(struct device *const dev, const u8 port_map, + const int is_mobile) +{ + int i; + u32 reg32; + + /* Initialize AHCI memory-mapped space */ + const u32 abar = pci_read_config32(dev, PCI_BASE_ADDRESS_5); + printk(BIOS_DEBUG, "ABAR: %08X\n", abar); + + /* Set AHCI access mode. + No other ABAR registers should be accessed before this. */ + reg32 = read32(abar + 0x04); + reg32 |= 1 << 31; + write32(abar + 0x04, reg32); + + /* CAP (HBA Capabilities) : enable power management */ + reg32 = read32(abar + 0x00); + /* CCCS must be set. */ + reg32 |= 0x0c006080; /* set CCCS+PSC+SSC+SALP+SSS */ + reg32 &= ~0x00020060; /* clear SXS+EMS+PMS */ + write32(abar + 0x00, reg32); + + /* PI (Ports implemented) */ + write32(abar + 0x0c, port_map); + /* PCH code reads back twice, do we need it, too? */ + (void) read32(abar + 0x0c); /* Read back 1 */ + (void) read32(abar + 0x0c); /* Read back 2 */ + + /* VSP (Vendor Specific Register) */ + reg32 = read32(abar + 0xa0); + reg32 &= ~0x00000001; /* clear SLPD */ + write32(abar + 0xa0, reg32); + + /* Lock R/WO bits in Port command registers. */ + for (i = 0; i < 6; ++i) { + if (((i == 2) || (i == 3)) && is_mobile) + continue; + const u32 addr = abar + 0x118 + (i * 0x80); + write32(addr, read32(addr)); + } +} + +static void sata_program_indexed(struct device *const dev, const int is_mobile) +{ + u32 reg32; + + pci_write_config8(dev, D31F2_SIDX, 0x18); + reg32 = pci_read_config32(dev, D31F2_SDAT); + reg32 &= ~((7 << 6) | (7 << 3) | (7 << 0)); + reg32 |= (3 << 3) | (3 << 0); + pci_write_config32(dev, D31F2_SDAT, reg32); + + pci_write_config8(dev, D31F2_SIDX, 0x28); + pci_write_config32(dev, D31F2_SDAT, 0x00cc2080); + + pci_write_config8(dev, D31F2_SIDX, 0x40); + pci_write_config8(dev, D31F2_SDAT + 2, 0x22); + + pci_write_config8(dev, D31F2_SIDX, 0x78); + pci_write_config8(dev, D31F2_SDAT + 2, 0x22); + + if (!is_mobile) { + pci_write_config8(dev, D31F2_SIDX, 0x84); + reg32 = pci_read_config32(dev, D31F2_SDAT); + reg32 &= ~((7 << 3) | (7 << 0)); + reg32 |= (3 << 3) | (3 << 0); + pci_write_config32(dev, D31F2_SDAT, reg32); + } + + pci_write_config8(dev, D31F2_SIDX, 0x88); + reg32 = pci_read_config32(dev, D31F2_SDAT); + if (!is_mobile) + reg32 &= ~((7 << 27) | (7 << 24) | (7 << 11) | (7 << 8)); + reg32 &= ~((7 << 19) | (7 << 16) | (7 << 3) | (7 << 0)); + if (!is_mobile) + reg32 |= (4 << 27) | (4 << 24) | (2 << 11) | (2 << 8); + reg32 |= (4 << 19) | (4 << 16) | (2 << 3) | (2 << 0); + pci_write_config32(dev, D31F2_SDAT, reg32); + + pci_write_config8(dev, D31F2_SIDX, 0x8c); + reg32 = pci_read_config32(dev, D31F2_SDAT); + if (!is_mobile) + reg32 &= ~((7 << 27) | (7 << 24)); + reg32 &= ~((7 << 19) | (7 << 16) | 0xffff); + if (!is_mobile) + reg32 |= (2 << 27) | (2 << 24); + reg32 |= (2 << 19) | (2 << 16) | 0x00aa; + pci_write_config32(dev, D31F2_SDAT, reg32); + + pci_write_config8(dev, D31F2_SIDX, 0x94); + pci_write_config32(dev, D31F2_SDAT, 0x00000022); + + pci_write_config8(dev, D31F2_SIDX, 0xa0); + reg32 = pci_read_config32(dev, D31F2_SDAT); + reg32 &= ~((7 << 3) | (7 << 0)); + reg32 |= (3 << 3) | (3 << 0); + pci_write_config32(dev, D31F2_SDAT, reg32); + + pci_write_config8(dev, D31F2_SIDX, 0xa8); + reg32 = pci_read_config32(dev, D31F2_SDAT); + reg32 &= ~((7 << 19) | (7 << 16) | (7 << 3) | (7 << 0)); + reg32 |= (4 << 19) | (4 << 16) | (2 << 3) | (2 << 0); + pci_write_config32(dev, D31F2_SDAT, reg32); + + pci_write_config8(dev, D31F2_SIDX, 0xac); + reg32 = pci_read_config32(dev, D31F2_SDAT); + reg32 &= ~((7 << 19) | (7 << 16) | 0xffff); + reg32 |= (2 << 19) | (2 << 16) | 0x000a; + pci_write_config32(dev, D31F2_SDAT, reg32); +} + +static void sata_init(struct device *const dev) +{ + u16 reg16; + + /* Get the chip configuration */ + const config_t *const config = dev->chip_info; + + const u16 devid = pci_read_config16(dev, PCI_DEVICE_ID); + const int is_mobile = (devid == 0x2928) || (devid == 0x2929); + + printk(BIOS_DEBUG, "i82801ix_sata: initializing...\n"); + + if (config == NULL) { + printk(BIOS_ERR, "i82801ix_sata: error: " + "device not in devicetree.cb!\n"); + return; + } + + /* + * TODO: In contrast to ICH7 and PCH code we don't set + * timings, dma and IDE-I/O settings here. Looks like they + * became obsolete with the fading of real IDE ports. + * Maybe we can safely remove those settings from PCH code and + * even ICH7 code if it doesn't use the feature to combine the + * IDE and SATA controllers. + */ + + pci_write_config16(dev, PCI_COMMAND, + PCI_COMMAND_MASTER | + PCI_COMMAND_MEMORY | /* read-only in IDE modes */ + PCI_COMMAND_IO); + if (!config->sata_ahci) + /* No AHCI: clear AHCI base */ + pci_write_config32(dev, PCI_BASE_ADDRESS_5, 0x00000000); + + if (config->ide_legacy_combined) { + printk(BIOS_DEBUG, "SATA controller in combined mode.\n"); + } else if (config->sata_ahci) { + printk(BIOS_DEBUG, "SATA controller in AHCI mode.\n"); + } else { + printk(BIOS_DEBUG, "SATA controller in native mode.\n"); + + /* Enable native mode on both primary and secondary. */ + pci_write_config8(dev, PCI_CLASS_PROG, 0x8f); + } + + /* Looks like we should only enable decoding here. */ + pci_write_config16(dev, D31F2_IDE_TIM_PRI, (1 << 15)); + pci_write_config16(dev, D31F2_IDE_TIM_SEC, (1 << 15)); + + /* Port enable. For AHCI, it's managed in memory mapped space. */ + reg16 = pci_read_config16(dev, 0x92); + reg16 &= ~0x3f; + reg16 |= (1 << 15) | (config->sata_ahci ? 0x3f : config->sata_port_map); + pci_write_config16(dev, 0x92, reg16); + + /* SATA clock settings */ + u32 sclkcg = 0; + if (config->sata_clock_request && + !(inb(DEFAULT_GPIOBASE + 0x30) & (1 << (35 - 32)))) + sclkcg |= 1 << 30; /* Enable SATA clock request. */ + /* Disable unused ports. */ + sclkcg |= ((~config->sata_port_map) & 0x3f) << 24; + /* Must be programmed. */ + sclkcg |= 0x193; + pci_write_config32(dev, 0x94, sclkcg); + + if (is_mobile && config->sata_traffic_monitor) { + const device_t lpc_dev = dev_find_slot(0, PCI_DEVFN(0x1f, 0)); + if (((pci_read_config8(lpc_dev, D31F0_CxSTATE_CNF) + >> 3) & 3) == 3) { + u8 reg8 = pci_read_config8(dev, 0x9c); + reg8 &= ~(0x1f << 2); + reg8 |= 3 << 2; + pci_write_config8(dev, 0x9c, reg8); + } + } + + if (config->sata_ahci) + sata_enable_ahci_mmap(dev, config->sata_port_map, is_mobile); + + sata_program_indexed(dev, is_mobile); +} + +static void sata_enable(device_t dev) +{ + /* Get the chip configuration */ + const config_t *const config = dev->chip_info; + + u16 map = 0; + + if (!config) + return; + + /* + * Set SATA controller mode early so the resource allocator can + * properly assign IO/Memory resources for the controller. + */ + if (config->sata_ahci) + map = 0x0040 | 0x0020; /* SATA mode + all ports on D31:F2 */ + + map |= (config->sata_port_map ^ 0x3f) << 8; + + pci_write_config16(dev, 0x90, map); +} + +static void sata_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations sata_pci_ops = { + .set_subsystem = sata_set_subsystem, +}; + +static struct device_operations sata_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = sata_init, + .enable = sata_enable, + .scan_bus = 0, + .ops_pci = &sata_pci_ops, +}; + +static const unsigned short pci_device_ids[] = { + 0x2920, 0x2921, 0x2922, 0x2923, + 0x2928, 0x2929, + 0, +}; + +static const struct pci_driver pch_sata __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; + diff --git a/src/southbridge/intel/i82801ix/smbus.h b/src/southbridge/intel/i82801ix/smbus.h new file mode 100644 index 0000000000..eff60efe6b --- /dev/null +++ b/src/southbridge/intel/i82801ix/smbus.h @@ -0,0 +1,100 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2005 Yinghai Lu <yinghailu@gmail.com> + * Copyright (C) 2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/smbus_def.h> +#include "i82801ix.h" + +static void smbus_delay(void) +{ + inb(0x80); +} + +static int smbus_wait_until_ready(u16 smbus_base) +{ + unsigned loops = SMBUS_TIMEOUT; + unsigned char byte; + do { + smbus_delay(); + if (--loops == 0) + break; + byte = inb(smbus_base + SMBHSTSTAT); + } while (byte & 1); + return loops ? 0 : -1; +} + +static int smbus_wait_until_done(u16 smbus_base) +{ + unsigned loops = SMBUS_TIMEOUT; + unsigned char byte; + do { + smbus_delay(); + if (--loops == 0) + break; + byte = inb(smbus_base + SMBHSTSTAT); + } while ((byte & 1) || (byte & ~((1 << 6) | (1 << 0))) == 0); + return loops ? 0 : -1; +} + +static int do_smbus_read_byte(unsigned smbus_base, unsigned device, unsigned address) +{ + unsigned char global_status_register; + unsigned char byte; + + if (smbus_wait_until_ready(smbus_base) < 0) { + return SMBUS_WAIT_UNTIL_READY_TIMEOUT; + } + /* Setup transaction */ + /* Disable interrupts */ + outb(inb(smbus_base + SMBHSTCTL) & (~1), smbus_base + SMBHSTCTL); + /* Set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 1, smbus_base + SMBXMITADD); + /* Set the command/address... */ + outb(address & 0xff, smbus_base + SMBHSTCMD); + /* Set up for a byte data read */ + outb((inb(smbus_base + SMBHSTCTL) & 0xe3) | (0x2 << 2), + (smbus_base + SMBHSTCTL)); + /* Clear any lingering errors, so the transaction will run */ + outb(inb(smbus_base + SMBHSTSTAT), smbus_base + SMBHSTSTAT); + + /* Clear the data byte... */ + outb(0, smbus_base + SMBHSTDAT0); + + /* Start the command */ + outb((inb(smbus_base + SMBHSTCTL) | 0x40), + smbus_base + SMBHSTCTL); + + /* Poll for transaction completion */ + if (smbus_wait_until_done(smbus_base) < 0) { + return SMBUS_WAIT_UNTIL_DONE_TIMEOUT; + } + + global_status_register = inb(smbus_base + SMBHSTSTAT); + + /* Ignore the "In Use" status... */ + global_status_register &= ~(3 << 5); + + /* Read results of transaction */ + byte = inb(smbus_base + SMBHSTDAT0); + if (global_status_register != (1 << 1)) { + return SMBUS_ERROR; + } + return byte; +} + diff --git a/src/southbridge/intel/i82801ix/smi.c b/src/southbridge/intel/i82801ix/smi.c new file mode 100644 index 0000000000..b0afd1fe87 --- /dev/null +++ b/src/southbridge/intel/i82801ix/smi.c @@ -0,0 +1,392 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + + +#include <device/device.h> +#include <device/pci.h> +#include <console/console.h> +#include <arch/io.h> +#include <cpu/cpu.h> +#include <cpu/x86/cache.h> +#include <cpu/x86/smm.h> +#include <string.h> +#include "i82801ix.h" + +extern unsigned char _binary_smm_start; +extern unsigned char _binary_smm_size; + +/* I945/GM45 */ +#define SMRAM 0x9d +#define D_OPEN (1 << 6) +#define D_CLS (1 << 5) +#define D_LCK (1 << 4) +#define G_SMRAME (1 << 3) +#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0)) + +/* While we read PMBASE dynamically in case it changed, let's + * initialize it with a sane value + */ +static u16 pmbase = DEFAULT_PMBASE; + +/** + * @brief read and clear PM1_STS + * @return PM1_STS register + */ +static u16 reset_pm1_status(void) +{ + u16 reg16; + + reg16 = inw(pmbase + PM1_STS); + /* set status bits are cleared by writing 1 to them */ + outw(reg16, pmbase + PM1_STS); + + return reg16; +} + +static void dump_pm1_status(u16 pm1_sts) +{ + printk(BIOS_DEBUG, "PM1_STS: "); + if (pm1_sts & (1 << 15)) printk(BIOS_DEBUG, "WAK "); + if (pm1_sts & (1 << 14)) printk(BIOS_DEBUG, "PCIEXPWAK "); + if (pm1_sts & (1 << 11)) printk(BIOS_DEBUG, "PRBTNOR "); + if (pm1_sts & (1 << 10)) printk(BIOS_DEBUG, "RTC "); + if (pm1_sts & (1 << 8)) printk(BIOS_DEBUG, "PWRBTN "); + if (pm1_sts & (1 << 5)) printk(BIOS_DEBUG, "GBL "); + if (pm1_sts & (1 << 4)) printk(BIOS_DEBUG, "BM "); + if (pm1_sts & (1 << 0)) printk(BIOS_DEBUG, "TMROF "); + printk(BIOS_DEBUG, "\n"); +} + +/** + * @brief read and clear SMI_STS + * @return SMI_STS register + */ +static u32 reset_smi_status(void) +{ + u32 reg32; + + reg32 = inl(pmbase + SMI_STS); + /* set status bits are cleared by writing 1 to them */ + outl(reg32, pmbase + SMI_STS); + + return reg32; +} + +static void dump_smi_status(u32 smi_sts) +{ + printk(BIOS_DEBUG, "SMI_STS: "); + if (smi_sts & (1 << 27)) printk(BIOS_DEBUG, "GPIO_UNLOCK "); + if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI "); + if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR "); + if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI "); + if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 "); + if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 "); + if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI "); + if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI "); + if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC "); + if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO "); + if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON "); + if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI "); + if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI "); + if (smi_sts & (1 << 9)) printk(BIOS_DEBUG, "GPE0 "); + if (smi_sts & (1 << 8)) printk(BIOS_DEBUG, "PM1 "); + if (smi_sts & (1 << 6)) printk(BIOS_DEBUG, "SWSMI_TMR "); + if (smi_sts & (1 << 5)) printk(BIOS_DEBUG, "APM "); + if (smi_sts & (1 << 4)) printk(BIOS_DEBUG, "SLP_SMI "); + if (smi_sts & (1 << 3)) printk(BIOS_DEBUG, "LEGACY_USB "); + if (smi_sts & (1 << 2)) printk(BIOS_DEBUG, "BIOS "); + printk(BIOS_DEBUG, "\n"); +} + + +/** + * @brief read and clear GPE0_STS + * @return GPE0_STS register + */ +static u64 reset_gpe0_status(void) +{ + u32 reg_h, reg_l; + + reg_l = inl(pmbase + GPE0_STS); + reg_h = inl(pmbase + GPE0_STS + 4); + /* set status bits are cleared by writing 1 to them */ + outl(reg_l, pmbase + GPE0_STS); + outl(reg_h, pmbase + GPE0_STS + 4); + + return (((u64)reg_h) << 32) | reg_l; +} + +static void dump_gpe0_status(u64 gpe0_sts) +{ + int i; + printk(BIOS_DEBUG, "GPE0_STS: "); + if (gpe0_sts & (1LL << 32)) printk(BIOS_DEBUG, "USB6 "); + for (i=31; i<= 16; i--) { + if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16)); + } + if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 "); + if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 "); + if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 "); + if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME "); + if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "EL_SCI/BATLOW "); + if (gpe0_sts & (1 << 9)) printk(BIOS_DEBUG, "PCI_EXP "); + if (gpe0_sts & (1 << 8)) printk(BIOS_DEBUG, "RI "); + if (gpe0_sts & (1 << 7)) printk(BIOS_DEBUG, "SMB_WAK "); + if (gpe0_sts & (1 << 6)) printk(BIOS_DEBUG, "TCO_SCI "); + if (gpe0_sts & (1 << 5)) printk(BIOS_DEBUG, "USB5 "); + if (gpe0_sts & (1 << 4)) printk(BIOS_DEBUG, "USB2 "); + if (gpe0_sts & (1 << 3)) printk(BIOS_DEBUG, "USB1 "); + if (gpe0_sts & (1 << 2)) printk(BIOS_DEBUG, "SWGPE "); + if (gpe0_sts & (1 << 1)) printk(BIOS_DEBUG, "HOT_PLUG "); + if (gpe0_sts & (1 << 0)) printk(BIOS_DEBUG, "THRM "); + printk(BIOS_DEBUG, "\n"); +} + + +/** + * @brief read and clear ALT_GP_SMI_STS + * @return ALT_GP_SMI_STS register + */ +static u16 reset_alt_gp_smi_status(void) +{ + u16 reg16; + + reg16 = inl(pmbase + ALT_GP_SMI_STS); + /* set status bits are cleared by writing 1 to them */ + outl(reg16, pmbase + ALT_GP_SMI_STS); + + return reg16; +} + +static void dump_alt_gp_smi_status(u16 alt_gp_smi_sts) +{ + int i; + printk(BIOS_DEBUG, "ALT_GP_SMI_STS: "); + for (i=15; i<= 0; i--) { + if (alt_gp_smi_sts & (1 << i)) printk(BIOS_DEBUG, "GPI%d ", (i-16)); + } + printk(BIOS_DEBUG, "\n"); +} + + + +/** + * @brief read and clear TCOx_STS + * @return TCOx_STS registers + */ +static u32 reset_tco_status(void) +{ + u32 tcobase = pmbase + 0x60; + u32 reg32; + + reg32 = inl(tcobase + 0x04); + /* set status bits are cleared by writing 1 to them */ + outl(reg32 & ~(1<<18), tcobase + 0x04); // Don't clear BOOT_STS before SECOND_TO_STS + if (reg32 & (1 << 18)) + outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS + + return reg32; +} + + +static void dump_tco_status(u32 tco_sts) +{ + printk(BIOS_DEBUG, "TCO_STS: "); + if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV "); + if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT "); + if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO "); + if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET "); + if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR "); + if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI "); + if (tco_sts & (1 << 9)) printk(BIOS_DEBUG, "DMISCI "); + if (tco_sts & (1 << 8)) printk(BIOS_DEBUG, "BIOSWR "); + if (tco_sts & (1 << 7)) printk(BIOS_DEBUG, "NEWCENTURY "); + if (tco_sts & (1 << 3)) printk(BIOS_DEBUG, "TIMEOUT "); + if (tco_sts & (1 << 2)) printk(BIOS_DEBUG, "TCO_INT "); + if (tco_sts & (1 << 1)) printk(BIOS_DEBUG, "SW_TCO "); + if (tco_sts & (1 << 0)) printk(BIOS_DEBUG, "NMI2SMI "); + printk(BIOS_DEBUG, "\n"); +} + + +/** + * @brief Set the EOS bit + */ +static void smi_set_eos(void) +{ + u8 reg8; + + reg8 = inb(pmbase + SMI_EN); + reg8 |= EOS; + outb(reg8, pmbase + SMI_EN); +} + +extern uint8_t smm_relocation_start, smm_relocation_end; + +static void smm_relocate(void) +{ + u32 smi_en; + u16 pm1_en; + + printk(BIOS_DEBUG, "Initializing SMM handler..."); + + pmbase = pci_read_config16(dev_find_slot(0, PCI_DEVFN(0x1f, 0)), D31F0_PMBASE) & 0xfffc; + printk(BIOS_SPEW, " ... pmbase = 0x%04x\n", pmbase); + + smi_en = inl(pmbase + SMI_EN); + if (smi_en & GBL_SMI_EN) { + printk(BIOS_INFO, "SMI# handler already enabled?\n"); + return; + } + + /* copy the SMM relocation code */ + memcpy((void *)0x38000, &smm_relocation_start, + &smm_relocation_end - &smm_relocation_start); + + printk(BIOS_DEBUG, "\n"); + dump_smi_status(reset_smi_status()); + dump_pm1_status(reset_pm1_status()); + dump_gpe0_status(reset_gpe0_status()); + dump_alt_gp_smi_status(reset_alt_gp_smi_status()); + dump_tco_status(reset_tco_status()); + + /* Enable SMI generation: + * - on TCO events + * - on APMC writes (io 0xb2) + * - on writes to GBL_RLS (bios commands) + * No SMIs: + * - on microcontroller writes (io 0x62/0x66) + */ + + smi_en = 0; /* reset SMI enables */ + + smi_en |= TCO_EN; + smi_en |= APMC_EN; +#if DEBUG_PERIODIC_SMIS + /* Set DEBUG_PERIODIC_SMIS in i82801ix.h to debug using + * periodic SMIs. + */ + smi_en |= PERIODIC_EN; +#endif + smi_en |= BIOS_EN; + + /* The following need to be on for SMIs to happen */ + smi_en |= EOS | GBL_SMI_EN; + + outl(smi_en, pmbase + SMI_EN); + + pm1_en = 0; + pm1_en |= PWRBTN_EN; + pm1_en |= GBL_EN; + outw(pm1_en, pmbase + PM1_EN); + + /** + * There are several methods of raising a controlled SMI# via + * software, among them: + * - Writes to io 0xb2 (APMC) + * - Writes to the Local Apic ICR with Delivery mode SMI. + * + * Using the local apic is a bit more tricky. According to + * AMD Family 11 Processor BKDG no destination shorthand must be + * used. + * The whole SMM initialization is quite a bit hardware specific, so + * I'm not too worried about the better of the methods at the moment + */ + + /* raise an SMI interrupt */ + printk(BIOS_SPEW, " ... raise SMI#\n"); + outb(0x00, 0xb2); +} + +static int smm_handler_copied = 0; + +static int is_wakeup(void) +{ + device_t dev0 = dev_find_slot(0, PCI_DEVFN(0,0)); + + if (!dev0) + return 0; + + return pci_read_config32(dev0, 0xdc) == SKPAD_ACPI_S3_MAGIC; +} + +static void smm_install(void) +{ + /* The first CPU running this gets to copy the SMM handler. But not all + * of them. + */ + if (smm_handler_copied) + return; + smm_handler_copied = 1; + + + /* if we're resuming from S3, the SMM code is already in place, + * so don't copy it again to keep the current SMM state */ + + if (!is_wakeup()) { + /* enable the SMM memory window */ + pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, + D_OPEN | G_SMRAME | C_BASE_SEG); + + /* copy the real SMM handler */ + memcpy((void *)0xa0000, &_binary_smm_start, (size_t)&_binary_smm_size); + wbinvd(); + } + + /* close the SMM memory window and enable normal SMM */ + pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, + G_SMRAME | C_BASE_SEG); +} + +void smm_init(void) +{ + /* Put SMM code to 0xa0000 */ + smm_install(); + + /* Put relocation code to 0x38000 and relocate SMBASE */ + smm_relocate(); + + /* We're done. Make sure SMIs can happen! */ + smi_set_eos(); +} + +void smm_lock(void) +{ + /* LOCK the SMM memory window and enable normal SMM. + * After running this function, only a full reset can + * make the SMM registers writable again. + */ + printk(BIOS_DEBUG, "Locking SMM.\n"); + pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, + D_LCK | G_SMRAME | C_BASE_SEG); +} + +void smm_setup_structures(void *gnvs, void *tcg, void *smi1) +{ + /* The GDT or coreboot table is going to live here. But a long time + * after we relocated the GNVS, so this is not troublesome. + */ + *(u32 *)0x500 = (u32)gnvs; + *(u32 *)0x504 = (u32)tcg; + *(u32 *)0x508 = (u32)smi1; + outb(APM_CNT_GNVS_UPDATE, 0xb2); +} diff --git a/src/southbridge/intel/i82801ix/smihandler.c b/src/southbridge/intel/i82801ix/smihandler.c new file mode 100644 index 0000000000..4e8edfe615 --- /dev/null +++ b/src/southbridge/intel/i82801ix/smihandler.c @@ -0,0 +1,532 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * 2012 secunet Security Networks AG + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <types.h> +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <console/console.h> +#include <cpu/x86/cache.h> +#include <cpu/x86/smm.h> +#include <device/pci_def.h> +#include <pc80/mc146818rtc.h> +#include "i82801ix.h" + +#include "nvs.h" + +/* While we read PMBASE dynamically in case it changed, let's + * initialize it with a sane value + */ +u16 pmbase = DEFAULT_PMBASE; +u8 smm_initialized = 0; + +/* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located + * by coreboot. + */ +global_nvs_t *gnvs = (global_nvs_t *)0x0; +void *tcg = (void *)0x0; +void *smi1 = (void *)0x0; + +/** + * @brief read and clear PM1_STS + * @return PM1_STS register + */ +static u16 reset_pm1_status(void) +{ + u16 reg16; + + reg16 = inw(pmbase + PM1_STS); + /* set status bits are cleared by writing 1 to them */ + outw(reg16, pmbase + PM1_STS); + + return reg16; +} + +static void dump_pm1_status(u16 pm1_sts) +{ + printk(BIOS_DEBUG, "PM1_STS: "); + if (pm1_sts & (1 << 15)) printk(BIOS_DEBUG, "WAK "); + if (pm1_sts & (1 << 14)) printk(BIOS_DEBUG, "PCIEXPWAK "); + if (pm1_sts & (1 << 11)) printk(BIOS_DEBUG, "PRBTNOR "); + if (pm1_sts & (1 << 10)) printk(BIOS_DEBUG, "RTC "); + if (pm1_sts & (1 << 8)) printk(BIOS_DEBUG, "PWRBTN "); + if (pm1_sts & (1 << 5)) printk(BIOS_DEBUG, "GBL "); + if (pm1_sts & (1 << 4)) printk(BIOS_DEBUG, "BM "); + if (pm1_sts & (1 << 0)) printk(BIOS_DEBUG, "TMROF "); + printk(BIOS_DEBUG, "\n"); +} + +/** + * @brief read and clear SMI_STS + * @return SMI_STS register + */ +static u32 reset_smi_status(void) +{ + u32 reg32; + + reg32 = inl(pmbase + SMI_STS); + /* set status bits are cleared by writing 1 to them */ + outl(reg32, pmbase + SMI_STS); + + return reg32; +} + +static void dump_smi_status(u32 smi_sts) +{ + printk(BIOS_DEBUG, "SMI_STS: "); + if (smi_sts & (1 << 27)) printk(BIOS_DEBUG, "GPIO_UNLOCK "); + if (smi_sts & (1 << 26)) printk(BIOS_DEBUG, "SPI "); + if (smi_sts & (1 << 21)) printk(BIOS_DEBUG, "MONITOR "); + if (smi_sts & (1 << 20)) printk(BIOS_DEBUG, "PCI_EXP_SMI "); + if (smi_sts & (1 << 18)) printk(BIOS_DEBUG, "INTEL_USB2 "); + if (smi_sts & (1 << 17)) printk(BIOS_DEBUG, "LEGACY_USB2 "); + if (smi_sts & (1 << 16)) printk(BIOS_DEBUG, "SMBUS_SMI "); + if (smi_sts & (1 << 15)) printk(BIOS_DEBUG, "SERIRQ_SMI "); + if (smi_sts & (1 << 14)) printk(BIOS_DEBUG, "PERIODIC "); + if (smi_sts & (1 << 13)) printk(BIOS_DEBUG, "TCO "); + if (smi_sts & (1 << 12)) printk(BIOS_DEBUG, "DEVMON "); + if (smi_sts & (1 << 11)) printk(BIOS_DEBUG, "MCSMI "); + if (smi_sts & (1 << 10)) printk(BIOS_DEBUG, "GPI "); + if (smi_sts & (1 << 9)) printk(BIOS_DEBUG, "GPE0 "); + if (smi_sts & (1 << 8)) printk(BIOS_DEBUG, "PM1 "); + if (smi_sts & (1 << 6)) printk(BIOS_DEBUG, "SWSMI_TMR "); + if (smi_sts & (1 << 5)) printk(BIOS_DEBUG, "APM "); + if (smi_sts & (1 << 4)) printk(BIOS_DEBUG, "SLP_SMI "); + if (smi_sts & (1 << 3)) printk(BIOS_DEBUG, "LEGACY_USB "); + if (smi_sts & (1 << 2)) printk(BIOS_DEBUG, "BIOS "); + printk(BIOS_DEBUG, "\n"); +} + + +/** + * @brief read and clear GPE0_STS + * @return GPE0_STS register + */ +static u64 reset_gpe0_status(void) +{ + u32 reg_h, reg_l; + + reg_l = inl(pmbase + GPE0_STS); + reg_h = inl(pmbase + GPE0_STS + 4); + /* set status bits are cleared by writing 1 to them */ + outl(reg_l, pmbase + GPE0_STS); + outl(reg_h, pmbase + GPE0_STS + 4); + + return (((u64)reg_h) << 32) | reg_l; +} + +static void dump_gpe0_status(u64 gpe0_sts) +{ + int i; + printk(BIOS_DEBUG, "GPE0_STS: "); + if (gpe0_sts & (1LL << 32)) printk(BIOS_DEBUG, "USB6 "); + for (i=31; i<= 16; i--) { + if (gpe0_sts & (1 << i)) printk(BIOS_DEBUG, "GPIO%d ", (i-16)); + } + if (gpe0_sts & (1 << 14)) printk(BIOS_DEBUG, "USB4 "); + if (gpe0_sts & (1 << 13)) printk(BIOS_DEBUG, "PME_B0 "); + if (gpe0_sts & (1 << 12)) printk(BIOS_DEBUG, "USB3 "); + if (gpe0_sts & (1 << 11)) printk(BIOS_DEBUG, "PME "); + if (gpe0_sts & (1 << 10)) printk(BIOS_DEBUG, "EL_SCI/BATLOW "); + if (gpe0_sts & (1 << 9)) printk(BIOS_DEBUG, "PCI_EXP "); + if (gpe0_sts & (1 << 8)) printk(BIOS_DEBUG, "RI "); + if (gpe0_sts & (1 << 7)) printk(BIOS_DEBUG, "SMB_WAK "); + if (gpe0_sts & (1 << 6)) printk(BIOS_DEBUG, "TCO_SCI "); + if (gpe0_sts & (1 << 5)) printk(BIOS_DEBUG, "USB5 "); + if (gpe0_sts & (1 << 4)) printk(BIOS_DEBUG, "USB2 "); + if (gpe0_sts & (1 << 3)) printk(BIOS_DEBUG, "USB1 "); + if (gpe0_sts & (1 << 2)) printk(BIOS_DEBUG, "SWGPE "); + if (gpe0_sts & (1 << 1)) printk(BIOS_DEBUG, "HOT_PLUG "); + if (gpe0_sts & (1 << 0)) printk(BIOS_DEBUG, "THRM "); + printk(BIOS_DEBUG, "\n"); +} + + + +/** + * @brief read and clear TCOx_STS + * @return TCOx_STS registers + */ +static u32 reset_tco_status(void) +{ + u32 tcobase = pmbase + 0x60; + u32 reg32; + + reg32 = inl(tcobase + 0x04); + /* set status bits are cleared by writing 1 to them */ + outl(reg32 & ~(1<<18), tcobase + 0x04); // Don't clear BOOT_STS before SECOND_TO_STS + if (reg32 & (1 << 18)) + outl(reg32 & (1<<18), tcobase + 0x04); // clear BOOT_STS + + return reg32; +} + + +static void dump_tco_status(u32 tco_sts) +{ + printk(BIOS_DEBUG, "TCO_STS: "); + if (tco_sts & (1 << 20)) printk(BIOS_DEBUG, "SMLINK_SLV "); + if (tco_sts & (1 << 18)) printk(BIOS_DEBUG, "BOOT "); + if (tco_sts & (1 << 17)) printk(BIOS_DEBUG, "SECOND_TO "); + if (tco_sts & (1 << 16)) printk(BIOS_DEBUG, "INTRD_DET "); + if (tco_sts & (1 << 12)) printk(BIOS_DEBUG, "DMISERR "); + if (tco_sts & (1 << 10)) printk(BIOS_DEBUG, "DMISMI "); + if (tco_sts & (1 << 9)) printk(BIOS_DEBUG, "DMISCI "); + if (tco_sts & (1 << 8)) printk(BIOS_DEBUG, "BIOSWR "); + if (tco_sts & (1 << 7)) printk(BIOS_DEBUG, "NEWCENTURY "); + if (tco_sts & (1 << 3)) printk(BIOS_DEBUG, "TIMEOUT "); + if (tco_sts & (1 << 2)) printk(BIOS_DEBUG, "TCO_INT "); + if (tco_sts & (1 << 1)) printk(BIOS_DEBUG, "SW_TCO "); + if (tco_sts & (1 << 0)) printk(BIOS_DEBUG, "NMI2SMI "); + printk(BIOS_DEBUG, "\n"); +} + +int southbridge_io_trap_handler(int smif) +{ + switch (smif) { + case 0x32: + printk(BIOS_DEBUG, "OS Init\n"); + /* gnvs->smif: + * On success, the IO Trap Handler returns 0 + * On failure, the IO Trap Handler returns a value != 0 + */ + gnvs->smif = 0; + return 1; /* IO trap handled */ + } + + /* Not handled */ + return 0; +} + +/** + * @brief Set the EOS bit + */ +void southbridge_smi_set_eos(void) +{ + u8 reg8; + + reg8 = inb(pmbase + SMI_EN); + reg8 |= EOS; + outb(reg8, pmbase + SMI_EN); +} + +static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state_save) +{ + u32 pmctrl; + u8 reg8; + + /* Emulate B2 register as the FADT / Linux expects it */ + + reg8 = inb(APM_CNT); + if (mainboard_smi_apmc && mainboard_smi_apmc(reg8)) + return; + + switch (reg8) { + case APM_CNT_CST_CONTROL: + /* Calling this function seems to cause + * some kind of race condition in Linux + * and causes a kernel oops + */ + printk(BIOS_DEBUG, "C-state control\n"); + break; + case APM_CNT_PST_CONTROL: + /* Calling this function seems to cause + * some kind of race condition in Linux + * and causes a kernel oops + */ + printk(BIOS_DEBUG, "P-state control\n"); + break; + case APM_CNT_ACPI_DISABLE: + pmctrl = inl(pmbase + PM1_CNT); + pmctrl &= ~SCI_EN; + outl(pmctrl, pmbase + PM1_CNT); + printk(BIOS_DEBUG, "SMI#: ACPI disabled.\n"); + break; + case APM_CNT_ACPI_ENABLE: + pmctrl = inl(pmbase + PM1_CNT); + pmctrl |= SCI_EN; + outl(pmctrl, pmbase + PM1_CNT); + printk(BIOS_DEBUG, "SMI#: ACPI enabled.\n"); + break; + case APM_CNT_GNVS_UPDATE: + if (smm_initialized) { + printk(BIOS_DEBUG, "SMI#: SMM structures already initialized!\n"); + return; + } + gnvs = *(global_nvs_t **)0x500; + tcg = *(void **)0x504; + smi1 = *(void **)0x508; + smm_initialized = 1; + printk(BIOS_DEBUG, "SMI#: Setting up structures to %p, %p, %p\n", gnvs, tcg, smi1); + break; + default: + printk(BIOS_DEBUG, "SMI#: Unknown function APM_CNT=%02x\n", reg8); + } +} + +static void southbridge_smi_pm1(unsigned int node, smm_state_save_area_t *state_save) +{ + u16 pm1_sts; + volatile u8 cmos_status; + + pm1_sts = reset_pm1_status(); + dump_pm1_status(pm1_sts); + + /* While OSPM is not active, poweroff immediately + * on a power button event. + */ + if (pm1_sts & PWRBTN_STS) { + // power button pressed + u32 reg32; + reg32 = (7 << 10) | (1 << 13); + outl(reg32, pmbase + PM1_CNT); + } + + if (pm1_sts & RTC_STS) { + /* read RTC status register to disable the interrupt */ + cmos_status = cmos_read(RTC_REG_C); + printk(BIOS_DEBUG, "RTC IRQ status: %02X\n", cmos_status); + } +} + +static void southbridge_smi_gpe0(unsigned int node, smm_state_save_area_t *state_save) +{ + u32 gpe0_sts; + + gpe0_sts = reset_gpe0_status(); + dump_gpe0_status(gpe0_sts); +} + +static void southbridge_smi_gpi(unsigned int node, smm_state_save_area_t *state_save) +{ + u16 reg16; + reg16 = inw(pmbase + ALT_GP_SMI_STS); + outl(reg16, pmbase + ALT_GP_SMI_STS); + + reg16 &= inw(pmbase + ALT_GP_SMI_EN); + + if (mainboard_smi_gpi) { + mainboard_smi_gpi(reg16); + } else { + if (reg16) + printk(BIOS_DEBUG, "GPI (mask %04x)\n",reg16); + } +} + + +static void southbridge_smi_tco(unsigned int node, smm_state_save_area_t *state_save) +{ + u32 tco_sts; + + tco_sts = reset_tco_status(); + + /* Any TCO event? */ + if (!tco_sts) + return; + + if (tco_sts & (1 << 8)) { // BIOSWR + u8 bios_cntl; + + bios_cntl = pci_mmio_read_config16(PCI_DEV(0, 0x1f, 0), 0xdc); + + if (bios_cntl & 1) { + /* BWE is RW, so the SMI was caused by a + * write to BWE, not by a write to the BIOS + */ + + /* This is the place where we notice someone + * is trying to tinker with the BIOS. We are + * trying to be nice and just ignore it. A more + * resolute answer would be to power down the + * box. + */ + printk(BIOS_DEBUG, "Switching back to RO\n"); + pci_mmio_write_config32(PCI_DEV(0, 0x1f, 0), 0xdc, (bios_cntl & ~1)); + } /* No else for now? */ + } else if (tco_sts & (1 << 3)) { /* TIMEOUT */ + /* Handle TCO timeout */ + printk(BIOS_DEBUG, "TCO Timeout.\n"); + } else { + dump_tco_status(tco_sts); + } +} + +#if DEBUG_PERIODIC_SMIS +static void southbridge_smi_periodic(unsigned int node, smm_state_save_area_t *state_save) +{ + printk(BIOS_DEBUG, "Periodic SMI.\n"); +} +#endif + +static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *state_save) +{ +#define IOTRAP(x) (trap_sts & (1 << x)) + u32 trap_sts, trap_cycle; + u32 data, mask = 0; + int i; + + trap_sts = RCBA32(0x1e00); // TRSR - Trap Status Register + RCBA32(0x1e00) = trap_sts; // Clear trap(s) in TRSR + + trap_cycle = RCBA32(0x1e10); + for (i=16; i<20; i++) { + if (trap_cycle & (1 << i)) + mask |= (0xff << ((i - 16) << 3)); + } + + + /* IOTRAP(3) SMI function call */ + if (IOTRAP(3)) { + if (gnvs && gnvs->smif) + io_trap_handler(gnvs->smif); // call function smif + return; + } + + /* IOTRAP(2) currently unused + * IOTRAP(1) currently unused */ + + /* IOTRAP(0) SMIC */ + if (IOTRAP(0)) { + if (!(trap_cycle & (1 << 24))) { // It's a write + printk(BIOS_DEBUG, "SMI1 command\n"); + data = RCBA32(0x1e18); + data &= mask; + // if (smi1) + // southbridge_smi_command(data); + // return; + } + // Fall through to debug + } + + printk(BIOS_DEBUG, " trapped io address = 0x%x\n", trap_cycle & 0xfffc); + for (i=0; i < 4; i++) if(IOTRAP(i)) printk(BIOS_DEBUG, " TRAP = %d\n", i); + printk(BIOS_DEBUG, " AHBE = %x\n", (trap_cycle >> 16) & 0xf); + printk(BIOS_DEBUG, " MASK = 0x%08x\n", mask); + printk(BIOS_DEBUG, " read/write: %s\n", (trap_cycle & (1 << 24)) ? "read" : "write"); + + if (!(trap_cycle & (1 << 24))) { + /* Write Cycle */ + data = RCBA32(0x1e18); + printk(BIOS_DEBUG, " iotrap written data = 0x%08x\n", data); + } +#undef IOTRAP +} + +typedef void (*smi_handler_t)(unsigned int node, + smm_state_save_area_t *state_save); + +smi_handler_t southbridge_smi[32] = { + NULL, // [0] reserved + NULL, // [1] reserved + NULL, // [2] BIOS_STS + NULL, // [3] LEGACY_USB_STS + NULL, // [4] SLP_SMI_STS + southbridge_smi_apmc, // [5] APM_STS + NULL, // [6] SWSMI_TMR_STS + NULL, // [7] reserved + southbridge_smi_pm1, // [8] PM1_STS + southbridge_smi_gpe0, // [9] GPE0_STS + southbridge_smi_gpi, // [10] GPI_STS + NULL, // [11] MCSMI_STS + NULL, // [12] DEVMON_STS + southbridge_smi_tco, // [13] TCO_STS +#if DEBUG_PERIODIC_SMIS + southbridge_smi_periodic, // [14] PERIODIC_STS +#else + NULL, // [14] PERIODIC_STS +#endif + NULL, // [15] SERIRQ_SMI_STS + NULL, // [16] SMBUS_SMI_STS + NULL, // [17] LEGACY_USB2_STS + NULL, // [18] INTEL_USB2_STS + NULL, // [19] reserved + NULL, // [20] PCI_EXP_SMI_STS + southbridge_smi_monitor, // [21] MONITOR_STS + NULL, // [22] reserved + NULL, // [23] reserved + NULL, // [24] reserved + NULL, // [25] reserved + NULL, // [26] SPI_STS + NULL, // [27] reserved + NULL, // [28] reserved + NULL, // [29] reserved + NULL, // [30] reserved + NULL // [31] reserved +}; + +static u32 southbrigde_smi_mask_events(u32 smi_sts) +{ + /* Clear all disabled bits in SMI_EN but the reserved ones. */ + smi_sts &= inl(pmbase + SMI_EN) | 0xf7f99700; + + /* Check if SCI is enabled. */ + if (inl(pmbase + PM1_CNT) & SCI_EN) + /* Clear PM1, GPE. */ + smi_sts &= ~((1 << 8) | (1 << 9)); + + /* Check if SPI generates SMI. */ + if (!(RCBA16(0x3806) & (1 << 15)) && + !(RCBA16(0x3891) & (1 << 15))) + /* Clear SPI. */ + smi_sts &= ~(1 << 26); + + return smi_sts; +} + +/** + * @brief Interrupt handler for SMI# + * + * @param smm_revision revision of the smm state save map + */ +void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save) +{ + int i, dump = 0; + u32 smi_sts; + + /* Update global variable pmbase */ + pmbase = pci_mmio_read_config16(PCI_DEV(0, 0x1f, 0), D31F0_PMBASE) & 0xfffc; + + /* We need to clear the SMI status registers, or we won't see what's + * happening in the following calls. + */ + smi_sts = reset_smi_status(); + + /* Filter all non-enabled SMI events */ + smi_sts = southbrigde_smi_mask_events(smi_sts); + + /* Call SMI sub handler for each of the status bits */ + for (i = 0; i < 31; i++) { + if (smi_sts & (1 << i)) { + if (southbridge_smi[i]) + southbridge_smi[i](node, state_save); + else { + printk(BIOS_DEBUG, "SMI_STS[%d] occured, but no " + "handler available.\n", i); + dump = 1; + } + } + } + + if(dump) { + dump_smi_status(smi_sts); + } + +} diff --git a/src/southbridge/intel/i82801ix/thermal.c b/src/southbridge/intel/i82801ix/thermal.c new file mode 100644 index 0000000000..33fafd3b26 --- /dev/null +++ b/src/southbridge/intel/i82801ix/thermal.c @@ -0,0 +1,85 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 secunet Security Networks AG + * (Written by Nico Huber <nico.huber@secunet.com> for secunet) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> + +#include "i82801ix.h" + +static void thermal_init(struct device *dev) +{ + if (LPC_IS_MOBILE(dev_find_slot(0, PCI_DEVFN(0x1f, 0)))) + return; + + u8 reg8; + u32 reg32; + + pci_write_config32(dev, 0x10, DEFAULT_TBAR); + reg32 = pci_read_config32(dev, 0x04); + pci_write_config32(dev, 0x04, reg32 | (1 << 1)); + + write32(DEFAULT_TBAR + 0x04, 0); /* Clear thermal trip points. */ + write32(DEFAULT_TBAR + 0x44, 0); + + write8(DEFAULT_TBAR + 0x01, 0xba); /* Enable sensor 0 + 1. */ + write8(DEFAULT_TBAR + 0x41, 0xba); + + reg8 = read8(DEFAULT_TBAR + 0x08); /* Lock thermal registers. */ + write8(DEFAULT_TBAR + 0x08, reg8 | (1 << 7)); + reg8 = read8(DEFAULT_TBAR + 0x48); + write8(DEFAULT_TBAR + 0x48, reg8 | (1 << 7)); + + reg32 = pci_read_config32(dev, 0x04); + pci_write_config32(dev, 0x04, reg32 & ~(1 << 1)); + pci_write_config32(dev, 0x10, 0); +} + +static void thermal_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } +} + +static struct pci_operations thermal_pci_ops = { + .set_subsystem = thermal_set_subsystem, +}; + +static struct device_operations device_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = thermal_init, + .scan_bus = 0, + .ops_pci = &thermal_pci_ops, +}; + +static const struct pci_driver ich9_thermal __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x2932, +}; diff --git a/src/southbridge/intel/i82801ix/usb_ehci.c b/src/southbridge/intel/i82801ix/usb_ehci.c new file mode 100644 index 0000000000..a7fbd691aa --- /dev/null +++ b/src/southbridge/intel/i82801ix/usb_ehci.c @@ -0,0 +1,107 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include "i82801ix.h" +#include <usbdebug.h> + +static void usb_ehci_init(struct device *dev) +{ + u32 reg32; + + printk(BIOS_DEBUG, "EHCI: Setting up controller.. "); + reg32 = pci_read_config32(dev, PCI_COMMAND); + reg32 |= PCI_COMMAND_MASTER; + pci_write_config32(dev, PCI_COMMAND, reg32); + + printk(BIOS_DEBUG, "done.\n"); +} + +static void usb_ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + u8 access_cntl; + + access_cntl = pci_read_config8(dev, 0x80); + + /* Enable writes to protected registers. */ + pci_write_config8(dev, 0x80, access_cntl | 1); + + if (!vendor || !device) { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + pci_read_config32(dev, PCI_VENDOR_ID)); + } else { + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + } + + /* Restore protection. */ + pci_write_config8(dev, 0x80, access_cntl); +} + +static void usb_ehci_set_resources(struct device *dev) +{ +#if CONFIG_USBDEBUG + struct resource *res; + u32 base; + u32 usb_debug; + + usb_debug = get_ehci_debug(); + set_ehci_debug(0); +#endif + pci_dev_set_resources(dev); + +#if CONFIG_USBDEBUG + res = find_resource(dev, 0x10); + set_ehci_debug(usb_debug); + if (!res) return; + base = res->base; + set_ehci_base(base); + report_resource_stored(dev, res, ""); +#endif +} + + +static const unsigned short pci_device_ids[] = { + 0x293a, + 0x293c, + 0 +}; + +static struct pci_operations lops_pci = { + .set_subsystem = &usb_ehci_set_subsystem, +}; + +static struct device_operations usb_ehci_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = usb_ehci_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = usb_ehci_init, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pch_usb_ehci1 __pci_driver = { + .ops = &usb_ehci_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = pci_device_ids, +}; |