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>
diff --git a/src/southbridge/intel/i82801ix/Kconfig b/src/southbridge/intel/i82801ix/Kconfig
new file mode 100644
index 0000000..ec30af8
--- /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 0000000..2fd1967
--- /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 0000000..e7f5019
--- /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 0000000..0384376
--- /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 0000000..8ded413
--- /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 0000000..5fcee45
--- /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 0000000..0d1e68a
--- /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 0000000..8699c48
--- /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 0000000..a76c7fb
--- /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 0000000..dbf6b9e
--- /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 0000000..e8dadc2
--- /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 0000000..b6d2d6a
--- /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 0000000..8699c3f
--- /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 0000000..39b0bd4
--- /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 0000000..16c7f23
--- /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 0000000..73703b4
--- /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 0000000..66cdf03
--- /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 0000000..a2d8544
--- /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 0000000..3f87915
--- /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 0000000..99e7ca1
--- /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 0000000..5b963e6
--- /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 0000000..3c91cc2
--- /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 0000000..03f8de7
--- /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 0000000..3d993ee
--- /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 0000000..fcf6668
--- /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 0000000..595b80c
--- /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 0000000..eff60ef
--- /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 0000000..b0afd1f
--- /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 0000000..4e8edfe
--- /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 0000000..33fafd3
--- /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 0000000..a7fbd69
--- /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,
+};