summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorVladimir Serbinenko <phcoder@gmail.com>2013-11-13 17:53:38 +0100
committerVladimir Serbinenko <phcoder@gmail.com>2013-11-25 19:32:36 +0100
commit888d559b0373cb956314b8087439378c14a16918 (patch)
tree1887a30b1674c05276dc21164a4926441b812de7 /src
parentcae09e0bbe61417667685c93cccc761c7d727daf (diff)
downloadcoreboot-888d559b0373cb956314b8087439378c14a16918.tar.xz
Support for Ibexpeak southbridge
Part of X201 port. Change-Id: If17d707004aba9f08459dbd8f3a146fa3c076aa9 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/4052 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src')
-rw-r--r--src/cpu/x86/smm/smmrelocate.S2
-rw-r--r--src/southbridge/intel/Kconfig1
-rw-r--r--src/southbridge/intel/Makefile.inc1
-rw-r--r--src/southbridge/intel/ibexpeak/Kconfig123
-rw-r--r--src/southbridge/intel/ibexpeak/Makefile.inc97
-rw-r--r--src/southbridge/intel/ibexpeak/azalia.c372
-rw-r--r--src/southbridge/intel/ibexpeak/chip.h103
-rw-r--r--src/southbridge/intel/ibexpeak/early_smbus.c77
-rw-r--r--src/southbridge/intel/ibexpeak/lpc.c695
-rw-r--r--src/southbridge/intel/ibexpeak/me.c781
-rw-r--r--src/southbridge/intel/ibexpeak/me.h374
-rw-r--r--src/southbridge/intel/ibexpeak/nvs.h160
-rw-r--r--src/southbridge/intel/ibexpeak/pch.h571
-rw-r--r--src/southbridge/intel/ibexpeak/sata.c301
-rw-r--r--src/southbridge/intel/ibexpeak/smbus.c109
-rw-r--r--src/southbridge/intel/ibexpeak/smbus.h245
-rw-r--r--src/southbridge/intel/ibexpeak/smi.c421
-rw-r--r--src/southbridge/intel/ibexpeak/smihandler.c848
-rw-r--r--src/southbridge/intel/ibexpeak/spi.c746
-rw-r--r--src/southbridge/intel/ibexpeak/thermal.c85
-rw-r--r--src/southbridge/intel/ibexpeak/usb_ehci.c98
21 files changed, 6209 insertions, 1 deletions
diff --git a/src/cpu/x86/smm/smmrelocate.S b/src/cpu/x86/smm/smmrelocate.S
index 16d4b9fde0..d8c4e05766 100644
--- a/src/cpu/x86/smm/smmrelocate.S
+++ b/src/cpu/x86/smm/smmrelocate.S
@@ -35,7 +35,7 @@
#include "../../../southbridge/intel/i82801dx/i82801dx.h"
#elif CONFIG_SOUTHBRIDGE_INTEL_SCH
#include "../../../southbridge/intel/sch/sch.h"
-#elif CONFIG_SOUTHBRIDGE_INTEL_BD82X6X || CONFIG_SOUTHBRIDGE_INTEL_C216
+#elif CONFIG_SOUTHBRIDGE_INTEL_BD82X6X || CONFIG_SOUTHBRIDGE_INTEL_C216 || CONFIG_SOUTHBRIDGE_INTEL_IBEXPEAK
#include "../../../southbridge/intel/bd82x6x/pch.h"
#elif CONFIG_SOUTHBRIDGE_INTEL_I82801IX
#include "../../../southbridge/intel/i82801ix/i82801ix.h"
diff --git a/src/southbridge/intel/Kconfig b/src/southbridge/intel/Kconfig
index 788d3e190e..343d5a3d84 100644
--- a/src/southbridge/intel/Kconfig
+++ b/src/southbridge/intel/Kconfig
@@ -13,4 +13,5 @@ source src/southbridge/intel/i82870/Kconfig
source src/southbridge/intel/pxhd/Kconfig
source src/southbridge/intel/sch/Kconfig
source src/southbridge/intel/bd82x6x/Kconfig
+source src/southbridge/intel/ibexpeak/Kconfig
source src/southbridge/intel/lynxpoint/Kconfig
diff --git a/src/southbridge/intel/Makefile.inc b/src/southbridge/intel/Makefile.inc
index 8f48caafc4..b3890585a0 100644
--- a/src/southbridge/intel/Makefile.inc
+++ b/src/southbridge/intel/Makefile.inc
@@ -14,4 +14,5 @@ subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_PXHD) += pxhd
subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_SCH) += sch
subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_BD82X6X) += bd82x6x
subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_C216) += bd82x6x
+subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_IBEXPEAK) += ibexpeak
subdirs-$(CONFIG_SOUTHBRIDGE_INTEL_LYNXPOINT) += lynxpoint
diff --git a/src/southbridge/intel/ibexpeak/Kconfig b/src/southbridge/intel/ibexpeak/Kconfig
new file mode 100644
index 0000000000..c408dca972
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/Kconfig
@@ -0,0 +1,123 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2011 Google Inc.
+##
+## 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_IBEXPEAK
+ bool
+
+if SOUTHBRIDGE_INTEL_IBEXPEAK
+
+config SOUTH_BRIDGE_OPTIONS # dummy
+ def_bool y
+ select IOAPIC
+ select HAVE_HARD_RESET
+ select HAVE_USBDEBUG
+ select HAVE_SMI_HANDLER
+ select USE_WATCHDOG_ON_BOOT
+ select PCIEXP_ASPM
+ select PCIEXP_COMMON_CLOCK
+ select SPI_FLASH
+ select SOUTHBRIDGE_INTEL_COMMON
+
+config EHCI_BAR
+ hex
+ default 0xfef00000
+
+config EHCI_DEBUG_OFFSET
+ hex
+ default 0xa0
+
+config BOOTBLOCK_SOUTHBRIDGE_INIT
+ string
+ default "southbridge/intel/bd82x6x/bootblock.c"
+
+config SERIRQ_CONTINUOUS_MODE
+ bool
+ default n
+ help
+ If you set this option to y, the serial IRQ machine will be
+ operated in continuous mode.
+
+config BUILD_WITH_FAKE_IFD
+ bool "Build with a fake IFD"
+ default y if !HAVE_IFD_BIN
+ help
+ If you don't have an Intel Firmware Descriptor (ifd.bin) for your
+ board, you can select this option and coreboot will build without it.
+ Though, the resulting coreboot.rom will not contain all parts required
+ to get coreboot running on your board. You can however write only the
+ BIOS section to your board's flash ROM and keep the other sections
+ untouched. Unfortunately the current version of flashrom doesn't
+ support this yet. But there is a patch pending [1].
+
+ WARNING: Never write a complete coreboot.rom to your flash ROM if it
+ was built with a fake IFD. It just won't work.
+
+ [1] http://www.flashrom.org/pipermail/flashrom/2013-June/011083.html
+
+
+config IFD_BIOS_SECTION
+ depends on BUILD_WITH_FAKE_IFD
+ string
+ default ""
+
+config IFD_ME_SECTION
+ depends on BUILD_WITH_FAKE_IFD
+ string
+ default ""
+
+config IFD_BIN_PATH
+ string "Path to intel firmware descriptor"
+ depends on !BUILD_WITH_FAKE_IFD
+ default "3rdparty/mainboard/$(MAINBOARDDIR)/descriptor.bin"
+
+
+config HAVE_ME_BIN
+ bool "Add Intel Management Engine firmware"
+ default n
+ help
+ The Intel processor in the selected system requires a special firmware
+ for an integrated controller called Management Engine (ME). The ME
+ firmware might be provided in coreboot's 3rdparty repository. If
+ not and if you don't have the firmware elsewhere, you can still
+ build coreboot without it. In this case however, you'll have to make
+ sure that you don't overwrite your ME firmware on your flash ROM.
+
+config ME_BIN_PATH
+ string "Path to management engine firmware"
+ depends on HAVE_ME_BIN
+ default "3rdparty/mainboard/$(MAINBOARDDIR)/me.bin"
+
+config HPET_MIN_TICKS
+ hex
+ default 0x80
+
+config LOCK_MANAGEMENT_ENGINE
+ bool "Lock Management Engine section"
+ default n
+ help
+ The Intel Management Engine supports preventing write accesses
+ from the host to the Management Engine section in the firmware
+ descriptor. If the ME section is locked, it can only be overwritten
+ with an external SPI flash programmer. You will want this if you
+ want to increase security of your ROM image once you are sure
+ that the ME firmware is no longer going to change.
+
+ If unsure, say N.
+
+endif
diff --git a/src/southbridge/intel/ibexpeak/Makefile.inc b/src/southbridge/intel/ibexpeak/Makefile.inc
new file mode 100644
index 0000000000..a29129d55c
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/Makefile.inc
@@ -0,0 +1,97 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2010 Google Inc.
+##
+## 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
+##
+
+# Run an intermediate step when producing coreboot.rom
+# that adds additional components to the final firmware
+# image outside of CBFS
+INTERMEDIATE+=bd82x6x_add_me
+
+ramstage-y += ../bd82x6x/pch.c
+ramstage-y += azalia.c
+ramstage-y += lpc.c
+ramstage-y += ../bd82x6x/pci.c
+ramstage-y += ../bd82x6x/pcie.c
+ramstage-y += sata.c
+ramstage-y += usb_ehci.c
+ramstage-y += me.c
+ramstage-y += ../bd82x6x/me_8.x.c
+ramstage-y += smbus.c
+ramstage-y += thermal.c
+
+ramstage-y += ../bd82x6x/me_status.c
+ramstage-y += ../bd82x6x/reset.c
+ramstage-y += ../bd82x6x/watchdog.c
+
+ramstage-$(CONFIG_ELOG) += ../bd82x6x/elog.c
+ramstage-y += spi.c
+smm-$(CONFIG_SPI_FLASH_SMM) += spi.c
+
+ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c me.c ../bd82x6x/me_8.x.c ../bd82x6x/finalize.c ../bd82x6x/pch.c
+
+romstage-y += ../bd82x6x/early_usb.c early_smbus.c ../bd82x6x/early_me.c ../bd82x6x/me_status.c ../bd82x6x/gpio.c
+romstage-y += ../bd82x6x/reset.c
+romstage-$(CONFIG_SOUTHBRIDGE_INTEL_BD82X6X) += ../bd82x6x/early_spi.c
+romstage-$(CONFIG_SOUTHBRIDGE_INTEL_C216) += ../bd82x6x/early_spi.c
+
+ifeq ($(CONFIG_BUILD_WITH_FAKE_IFD),y)
+IFD_BIN_PATH := $(objgenerated)/ifdfake.bin
+IFD_SECTIONS := $(addprefix -b ,$(CONFIG_IFD_BIOS_SECTION:"%"=%)) \
+ $(addprefix -m ,$(CONFIG_IFD_ME_SECTION:"%"=%)) \
+ $(addprefix -g ,$(CONFIG_IFD_GBE_SECTION:"%"=%)) \
+ $(addprefix -p ,$(CONFIG_IFD_PLATFORM_SECTION:"%"=%))
+else
+IFD_BIN_PATH := $(CONFIG_IFD_BIN_PATH)
+endif
+
+bd82x6x_add_me: $(obj)/coreboot.pre $(IFDTOOL) $(IFDFAKE)
+ifeq ($(CONFIG_BUILD_WITH_FAKE_IFD),y)
+ printf "\n** WARNING **\n"
+ printf "Coreboot will be built with a fake Intel Firmware Descriptor (IFD).\n"
+ printf "Never write a complete coreboot.rom with a fake IFD to your board's\n"
+ printf "flash ROM! Make sure that you only write valid flash regions.\n\n"
+ printf " IFDFAKE Building a fake Intel Firmware Descriptor\n"
+ $(IFDFAKE) $(IFD_SECTIONS) $(IFD_BIN_PATH)
+endif
+ printf " DD Adding Intel Firmware Descriptor\n"
+ dd if=$(IFD_BIN_PATH) \
+ of=$(obj)/coreboot.pre conv=notrunc >/dev/null 2>&1
+ifeq ($(CONFIG_HAVE_ME_BIN),y)
+ printf " IFDTOOL me.bin -> coreboot.pre\n"
+ $(objutil)/ifdtool/ifdtool \
+ -i ME:$(CONFIG_ME_BIN_PATH) \
+ $(obj)/coreboot.pre
+ mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+else
+ printf "\n** WARNING **\n"
+ printf "Coreboot will be built without Management Engine firmware.\n"
+ printf "Never write a complete coreboot.rom without ME to your board's\n"
+ printf "flash ROM! Make sure that you only write valid flash regions.\n\n"
+endif
+ifeq ($(CONFIG_LOCK_MANAGEMENT_ENGINE),y)
+ printf " IFDTOOL Locking Management Engine\n"
+ $(objutil)/ifdtool/ifdtool -l $(obj)/coreboot.pre
+ mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+else ifneq ($(CONFIG_BUILD_WITH_FAKE_IFD),y)
+ printf " IFDTOOL Unlocking Management Engine\n"
+ $(objutil)/ifdtool/ifdtool -u $(obj)/coreboot.pre
+ mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+endif
+
+PHONY += bd82x6x_add_me
diff --git a/src/southbridge/intel/ibexpeak/azalia.c b/src/southbridge/intel/ibexpeak/azalia.c
new file mode 100644
index 0000000000..8a1116a2d6
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/azalia.c
@@ -0,0 +1,372 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ *
+ * 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 "pch.h"
+
+#define HDA_ICII_REG 0x68
+#define HDA_ICII_BUSY (1 << 0)
+#define HDA_ICII_VALID (1 << 1)
+
+typedef struct southbridge_intel_bd82x6x_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)
+{
+ u8 reg8;
+
+ /* Set Bit 0 to 1 to exit reset state (BAR + 0x8)[0] */
+ if (set_bits(base + 0x08, 1, 1) == -1)
+ goto no_codec;
+
+ /* Write back the value once reset bit is set. */
+ write16(base + 0x0, read16(base + 0x0));
+
+ /* Read in Codec location (BAR + 0xe)[2..0]*/
+ reg8 = read8(base + 0xe);
+ reg8 &= 0x0f;
+ if (!reg8)
+ goto no_codec;
+
+ return reg8;
+
+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 1msec timeout */
+
+ int timeout = 1000;
+
+ 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 + HDA_ICII_REG);
+ reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID;
+ write32(base + HDA_ICII_REG, reg32);
+
+ /* Use a 1msec timeout */
+
+ int timeout = 1000;
+ 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, "Azalia: Initializing codec #%d\n", addr);
+
+ /* 1 */
+ if (wait_for_ready(base) == -1) {
+ printk(BIOS_DEBUG, " codec not ready.\n");
+ return;
+ }
+
+ reg32 = (addr << 28) | 0x000f0000;
+ write32(base + 0x60, reg32);
+
+ if (wait_for_valid(base) == -1) {
+ printk(BIOS_DEBUG, " codec not valid.\n");
+ 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 = 3; 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;
+ u16 reg16;
+ u32 reg32;
+
+ /* Find base address */
+ res = find_resource(dev, PCI_BASE_ADDRESS_0);
+ 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);
+
+ if (RCBA32(0x2030) & (1 << 31)) {
+ reg32 = pci_read_config32(dev, 0x120);
+ reg32 &= 0xf8ffff01;
+ reg32 |= (1 << 24); // 2 << 24 for server
+ reg32 |= RCBA32(0x2030) & 0xfe;
+ pci_write_config32(dev, 0x120, reg32);
+
+ reg16 = pci_read_config16(dev, 0x78);
+ reg16 |= (1 << 11);
+ pci_write_config16(dev, 0x78, reg16);
+ } else
+ printk(BIOS_DEBUG, "Azalia: V1CTL disabled.\n");
+
+ reg32 = pci_read_config32(dev, 0x114);
+ reg32 &= ~0xfe;
+ pci_write_config32(dev, 0x114, reg32);
+
+ // Set VCi enable bit
+ reg32 = pci_read_config32(dev, 0x120);
+ reg32 |= (1 << 31);
+ pci_write_config32(dev, 0x120, reg32);
+
+ // Enable HDMI codec:
+ reg32 = pci_read_config32(dev, 0xc4);
+ reg32 |= (1 << 1);
+ pci_write_config32(dev, 0xc4, reg32);
+
+ reg8 = pci_read_config8(dev, 0x43);
+ reg8 |= (1 << 6);
+ pci_write_config8(dev, 0x43, reg8);
+
+ /* Additional programming steps */
+ reg32 = pci_read_config32(dev, 0xc4);
+ reg32 |= (1 << 13);
+ pci_write_config32(dev, 0xc4, reg32);
+
+ reg32 = pci_read_config32(dev, 0xc4);
+ reg32 |= (1 << 10);
+ pci_write_config32(dev, 0xc4, reg32);
+
+ reg32 = pci_read_config32(dev, 0xd0);
+ reg32 &= ~(1 << 31);
+ pci_write_config32(dev, 0xd0, reg32);
+
+ if (dev->device == 0x1e20) {
+ /* Additional step on Panther Point */
+ reg32 = pci_read_config32(dev, 0xc4);
+ reg32 |= (1 << 17);
+ pci_write_config32(dev, 0xc4, reg32);
+ }
+
+ /* Set Bus Master */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+
+ pci_write_config8(dev, 0x3c, 0x0a); // unused?
+
+ /* Codec Initialization Programming Sequence */
+
+ /* Take controller out of reset */
+ reg32 = read32(base + 0x08);
+ reg32 |= (1 << 0);
+ write32(base + 0x08, reg32);
+ /* Wait 1ms */
+ udelay(1000);
+
+ //
+ reg8 = pci_read_config8(dev, 0x40); // Audio Control
+ reg8 |= 1; // Select Azalia mode. This needs to be controlled via devicetree.cb
+ pci_write_config8(dev, 0x40, reg8);
+
+ reg8 = pci_read_config8(dev, 0x4d); // Docking Status
+ reg8 &= ~(1 << 7); // Docking not supported
+ pci_write_config8(dev, 0x4d, reg8);
+
+ codec_mask = codec_detect(base);
+
+ if (codec_mask) {
+ printk(BIOS_DEBUG, "Azalia: codec_mask = %02x\n", codec_mask);
+ codecs_init(dev, base, codec_mask);
+ }
+
+ /* Enable dynamic clock gating */
+ reg8 = pci_read_config8(dev, 0x43);
+ reg8 &= ~0x7;
+ reg8 |= (1 << 2) | (1 << 0);
+ pci_write_config8(dev, 0x43, reg8);
+}
+
+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,
+};
+
+static const unsigned short pci_device_ids[] = { 0x1c20, 0x1e20, 0x3b56, 0 };
+
+static const struct pci_driver pch_azalia __pci_driver = {
+ .ops = &azalia_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};
+
diff --git a/src/southbridge/intel/ibexpeak/chip.h b/src/southbridge/intel/ibexpeak/chip.h
new file mode 100644
index 0000000000..828466c0c4
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/chip.h
@@ -0,0 +1,103 @@
+/*
+ * 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
+ */
+
+#ifndef SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H
+#define SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H
+
+struct southbridge_intel_bd82x6x_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;
+ uint8_t sata_port_map;
+ uint32_t sata_port0_gen3_tx;
+ uint32_t sata_port1_gen3_tx;
+
+ /**
+ * SATA Interface Speed Support Configuration
+ *
+ * Only the lower two bits have a meaning:
+ * 00 - No effect (leave as chip default)
+ * 01 - 1.5 Gb/s maximum speed
+ * 10 - 3.0 Gb/s maximum speed
+ * 11 - 6.0 Gb/s maximum speed
+ */
+ uint8_t sata_interface_speed_support;
+
+ uint32_t gen1_dec;
+ uint32_t gen2_dec;
+ uint32_t gen3_dec;
+ uint32_t gen4_dec;
+
+ /* Enable linear PCIe Root Port function numbers starting at zero */
+ uint8_t pcie_port_coalesce;
+
+ /* Override PCIe ASPM */
+ uint8_t pcie_aspm_f0;
+ uint8_t pcie_aspm_f1;
+ uint8_t pcie_aspm_f2;
+ uint8_t pcie_aspm_f3;
+ uint8_t pcie_aspm_f4;
+ uint8_t pcie_aspm_f5;
+ uint8_t pcie_aspm_f6;
+ uint8_t pcie_aspm_f7;
+};
+
+#endif /* SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H */
diff --git a/src/southbridge/intel/ibexpeak/early_smbus.c b/src/southbridge/intel/ibexpeak/early_smbus.c
new file mode 100644
index 0000000000..d8aff926cc
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/early_smbus.c
@@ -0,0 +1,77 @@
+/*
+ * 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 <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include "pch.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, 0x0) != 0x8086) {
+ 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);
+}
+
+int smbus_write_byte(unsigned device, unsigned address, u8 data)
+{
+ return do_smbus_write_byte(SMBUS_IO_BASE, device, address, data);
+}
+
+int smbus_block_read(unsigned device, unsigned cmd, u8 bytes, u8 *buf)
+{
+ return do_smbus_block_read(SMBUS_IO_BASE, device, cmd, bytes, buf);
+}
+
+int smbus_block_write(unsigned device, unsigned cmd, u8 bytes, const u8 *buf)
+{
+ return do_smbus_block_write(SMBUS_IO_BASE, device, cmd, bytes, buf);
+}
+
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
new file mode 100644
index 0000000000..8417a90cdf
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -0,0 +1,695 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2013 Vladimir Serbinenko
+ *
+ * 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 <elog.h>
+#include "pch.h"
+
+#define NMI_OFF 0
+
+#define ENABLE_ACPI_MODE_IN_COREBOOT 0
+#define TEST_SMM_FLASH_LOCKDOWN 0
+
+typedef struct southbridge_intel_bd82x6x_config config_t;
+
+/**
+ * Set miscellanous static southbridge features.
+ *
+ * @param dev PCI device with I/O APIC control registers
+ */
+static void pch_enable_ioapic(struct device *dev)
+{
+ u32 reg32;
+
+ /* Enable ACPI I/O range decode */
+ pci_write_config8(dev, ACPI_CNTL, ACPI_EN);
+
+ set_ioapic_id(IO_APIC_ADDR, 0x01);
+ /* affirm full set of redirection table entries ("write once") */
+ reg32 = io_apic_read(IO_APIC_ADDR, 0x01);
+ io_apic_write(IO_APIC_ADDR, 0x01, reg32);
+
+ /*
+ * Select Boot Configuration register (0x03) and
+ * use Processor System Bus (0x01) to deliver interrupts.
+ */
+ io_apic_write(IO_APIC_ADDR, 0x03, 0x01);
+}
+
+static void pch_enable_serial_irqs(struct device *dev)
+{
+ /* Set packet length and toggle silent mode bit for one frame. */
+ pci_write_config8(dev, SERIRQ_CNTL,
+ (1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0));
+#if !CONFIG_SERIRQ_CONTINUOUS_MODE
+ pci_write_config8(dev, SERIRQ_CNTL,
+ (1 << 7) | (0 << 6) | ((21 - 17) << 2) | (0 << 0));
+#endif
+}
+
+/* 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 pch_pirq_init(device_t dev)
+{
+ device_t irq_dev;
+ /* Get the chip configuration */
+ config_t *config = dev->chip_info;
+
+ pci_write_config8(dev, PIRQA_ROUT, config->pirqa_routing);
+ pci_write_config8(dev, PIRQB_ROUT, config->pirqb_routing);
+ pci_write_config8(dev, PIRQC_ROUT, config->pirqc_routing);
+ pci_write_config8(dev, PIRQD_ROUT, config->pirqd_routing);
+
+ pci_write_config8(dev, PIRQE_ROUT, config->pirqe_routing);
+ pci_write_config8(dev, PIRQF_ROUT, config->pirqf_routing);
+ pci_write_config8(dev, PIRQG_ROUT, config->pirqg_routing);
+ pci_write_config8(dev, 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 pch_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, 0xb8, reg32);
+}
+
+static void pch_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;
+
+ /* 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 Kconfig setting.
+ */
+ get_option(&pwr_on, "power_on_after_fail");
+
+ reg16 = pci_read_config16(dev, GEN_PMCON_3);
+ reg16 &= 0xfffe;
+ switch (pwr_on) {
+ case MAINBOARD_POWER_OFF:
+ reg16 |= 1;
+ state = "off";
+ break;
+ case MAINBOARD_POWER_ON:
+ reg16 &= ~1;
+ state = "on";
+ break;
+ case MAINBOARD_POWER_KEEP:
+ reg16 &= ~1;
+ state = "state keep";
+ break;
+ default:
+ state = "undefined";
+ }
+
+ reg16 &= ~(3 << 4); /* SLP_S4# Assertion Stretch 4s */
+ reg16 |= (1 << 3); /* SLP_S4# Assertion Stretch Enable */
+
+ reg16 &= ~(1 << 10);
+ reg16 |= (1 << 11); /* SLP_S3# Min Assertion Width 50ms */
+
+ reg16 |= (1 << 12); /* Disable SLP stretch after SUS well */
+
+ pci_write_config16(dev, GEN_PMCON_3, reg16);
+ 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(0x70);
+ 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, GEN_PMCON_1);
+ reg16 &= ~(3 << 0); // SMI# rate 1 minute
+ reg16 &= ~(1 << 10); // Disable BIOS_PCI_EXP_EN for native PME
+#if DEBUG_PERIODIC_SMIS
+ /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
+ * periodic SMIs.
+ */
+ reg16 |= (3 << 0); // Periodic SMI every 8s
+#endif
+ pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+ // Set the board's GPI routing.
+ pch_gpi_routing(dev);
+
+ pmbase = pci_read_config16(dev, 0x40) & 0xfffe;
+
+ outl(config->gpe0_en, pmbase + GPE0_EN);
+ outw(config->alt_gp_smi_en, pmbase + ALT_GP_SMI_EN);
+
+ /* Set up power management block and determine sleep mode */
+ reg32 = inl(pmbase + 0x04); // PM1_CNT
+ reg32 &= ~(7 << 10); // SLP_TYP
+ reg32 |= (1 << 0); // SCI_EN
+ outl(reg32, pmbase + 0x04);
+
+ /* Clear magic status bits to prevent unexpected wake */
+ reg32 = RCBA32(0x3310);
+ reg32 |= (1 << 4)|(1 << 5)|(1 << 0);
+ RCBA32(0x3310) = reg32;
+
+ reg32 = RCBA32(0x3f02);
+ reg32 &= ~0xf;
+ RCBA32(0x3f02) = reg32;
+}
+
+static void pch_rtc_init(struct device *dev)
+{
+ u8 reg8;
+ int rtc_failed;
+
+ reg8 = pci_read_config8(dev, GEN_PMCON_3);
+ rtc_failed = reg8 & RTC_BATTERY_DEAD;
+ if (rtc_failed) {
+ reg8 &= ~RTC_BATTERY_DEAD;
+ pci_write_config8(dev, GEN_PMCON_3, reg8);
+#if CONFIG_ELOG
+ elog_add_event(ELOG_TYPE_RTC_RESET);
+#endif
+ }
+ printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed);
+
+ rtc_init(rtc_failed);
+}
+
+static void mobile5_pm_init(struct device *dev)
+{
+ int i;
+
+ printk(BIOS_DEBUG, "Mobile 5 PM init\n");
+ pci_write_config8(dev, 0xa9, 0x47);
+
+ RCBA32 (0x1d44) = 0x00000000;
+ (void) RCBA32 (0x1d44);
+ RCBA32 (0x1d48) = 0x00030000;
+ (void) RCBA32 (0x1d48);
+ RCBA32 (0x1e80) = 0x000c0801;
+ (void) RCBA32 (0x1e80);
+ RCBA32 (0x1e84) = 0x000200f0;
+ (void) RCBA32 (0x1e84);
+
+ const u32 rcba2010[] =
+ {
+ /* 2010: */ 0x00188200, 0x14000016, 0xbc4abcb5, 0x00000000,
+ /* 2020: */ 0xf0c9605b, 0x13683040, 0x04c8f16e, 0x09e90170
+ };
+ for (i = 0; i < sizeof (rcba2010) / sizeof (rcba2010[0]); i++)
+ {
+ RCBA32 (0x2010 + 4 * i) = rcba2010[i];
+ RCBA32 (0x2010 + 4 * i);
+ }
+
+ RCBA32 (0x2100) = 0x00000000;
+ (void) RCBA32 (0x2100);
+ RCBA32 (0x2104) = 0x00000757;
+ (void) RCBA32 (0x2104);
+ RCBA32 (0x2108) = 0x00170001;
+ (void) RCBA32 (0x2108);
+
+ RCBA32 (0x211c) = 0x00000000;
+ (void) RCBA32 (0x211c);
+ RCBA32 (0x2120) = 0x00010000;
+ (void) RCBA32 (0x2120);
+
+ RCBA32 (0x21fc) = 0x00000000;
+ (void) RCBA32 (0x21fc);
+ RCBA32 (0x2200) = 0x20000044;
+ (void) RCBA32 (0x2200);
+ RCBA32 (0x2204) = 0x00000001;
+ (void) RCBA32 (0x2204);
+ RCBA32 (0x2208) = 0x00003457;
+ (void) RCBA32 (0x2208);
+
+ const u32 rcba2210[] =
+ {
+ /* 2210 */ 0x00000000, 0x00000001, 0xa0fff210, 0x0000df00,
+ /* 2220 */ 0x00e30880, 0x00000070, 0x00004000, 0x00000000,
+ /* 2230 */ 0x00e30880, 0x00000070, 0x00004000, 0x00000000,
+ /* 2240 */ 0x00002301, 0x36000000, 0x00010107, 0x00160000,
+ /* 2250 */ 0x00001b01, 0x36000000, 0x00010107, 0x00160000,
+ /* 2260 */ 0x00000601, 0x16000000, 0x00010107, 0x00160000,
+ /* 2270 */ 0x00001c01, 0x16000000, 0x00010107, 0x00160000
+ };
+
+ for (i = 0; i < sizeof (rcba2210) / sizeof (rcba2210[0]); i++)
+ {
+ RCBA32 (0x2210 + 4 * i) = rcba2210[i];
+ RCBA32 (0x2210 + 4 * i);
+ }
+
+ const u32 rcba2300[] =
+ {
+ /* 2300: */ 0x00000000, 0x40000000, 0x4646827b, 0x6e803131,
+ /* 2310: */ 0x32c77887, 0x00077733, 0x00007447, 0x00000040,
+ /* 2320: */ 0xcccc0cfc, 0x0fbb0fff
+ };
+
+ for (i = 0; i < sizeof (rcba2300) / sizeof (rcba2300[0]); i++)
+ {
+ RCBA32 (0x2300 + 4 * i) = rcba2300[i];
+ RCBA32 (0x2300 + 4 * i);
+ }
+
+ RCBA32 (0x37fc) = 0x00000000;
+ (void) RCBA32 (0x37fc);
+ RCBA32 (0x3dfc) = 0x00000000;
+ (void) RCBA32 (0x3dfc);
+ RCBA32 (0x3e7c) = 0xffffffff;
+ (void) RCBA32 (0x3e7c);
+ RCBA32 (0x3efc) = 0x00000000;
+ (void) RCBA32 (0x3efc);
+ RCBA32 (0x3f00) = 0x0000010b;
+ (void) RCBA32 (0x3f00);
+}
+
+static void enable_hpet(void)
+{
+ u32 reg32;
+
+ /* Move HPET to default address 0xfed00000 and enable it */
+ reg32 = RCBA32(HPTC);
+ reg32 |= (1 << 7); // HPET Address Enable
+ reg32 &= ~(3 << 0);
+ RCBA32(HPTC) = reg32;
+
+ write32(0xfed00010, read32(0xfed00010) | 1);
+}
+
+static void enable_clock_gating(device_t dev)
+{
+ u32 reg32;
+ u16 reg16;
+
+ RCBA32_AND_OR(0x2234, ~0UL, 0xf);
+
+ reg16 = pci_read_config16(dev, GEN_PMCON_1);
+ reg16 |= (1 << 2) | (1 << 11);
+ pci_write_config16(dev, GEN_PMCON_1, reg16);
+
+ pch_iobp_update(0xEB007F07, ~0UL, (1 << 31));
+ pch_iobp_update(0xEB004000, ~0UL, (1 << 7));
+ pch_iobp_update(0xEC007F07, ~0UL, (1 << 31));
+ pch_iobp_update(0xEC004000, ~0UL, (1 << 7));
+
+ reg32 = RCBA32(CG);
+ reg32 |= (1 << 31);
+ reg32 |= (1 << 29) | (1 << 28);
+ reg32 |= (1 << 27) | (1 << 26) | (1 << 25) | (1 << 24);
+ reg32 |= (1 << 16);
+ reg32 |= (1 << 17);
+ reg32 |= (1 << 18);
+ reg32 |= (1 << 22);
+ reg32 |= (1 << 23);
+ reg32 &= ~(1 << 20);
+ reg32 |= (1 << 19);
+ reg32 |= (1 << 0);
+ reg32 |= (0xf << 1);
+ RCBA32(CG) = reg32;
+
+ RCBA32_OR(0x38c0, 0x7);
+ RCBA32_OR(0x36d4, 0x6680c004);
+ RCBA32_OR(0x3564, 0x3);
+}
+
+#if CONFIG_HAVE_SMI_HANDLER
+static void pch_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(0xe1, 0xb2); // Enable ACPI mode
+ printk(BIOS_DEBUG, "done.\n");
+#else
+ printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
+ outb(0x1e, 0xb2); // Disable ACPI mode
+ printk(BIOS_DEBUG, "done.\n");
+#endif
+ }
+
+ /* 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 pch_disable_smm_only_flashing(struct device *dev)
+{
+ u8 reg8;
+
+ printk(BIOS_SPEW, "Enabling BIOS updates outside of SMM... ");
+ reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
+ reg8 &= ~(1 << 5);
+ pci_write_config8(dev, 0xdc, reg8);
+}
+
+static void pch_fixups(struct device *dev)
+{
+ /*
+ * Enable DMI ASPM in the PCH
+ */
+ RCBA32_AND_OR(0x2304, ~(1 << 10), 0);
+ RCBA32_OR(0x21a4, (1 << 11)|(1 << 10));
+ RCBA32_OR(0x21a8, 0x3);
+}
+
+static void pch_decode_init(struct device *dev)
+{
+ config_t *config = dev->chip_info;
+
+ printk(BIOS_DEBUG, "pch_decode_init\n");
+
+ pci_write_config32(dev, LPC_GEN1_DEC, config->gen1_dec);
+ pci_write_config32(dev, LPC_GEN2_DEC, config->gen2_dec);
+ pci_write_config32(dev, LPC_GEN3_DEC, config->gen3_dec);
+ pci_write_config32(dev, LPC_GEN4_DEC, config->gen4_dec);
+}
+
+static void lpc_init(struct device *dev)
+{
+ printk(BIOS_DEBUG, "pch: lpc_init\n");
+
+ /* Set the value for PCI command register. */
+ pci_write_config16(dev, PCI_COMMAND, 0x000f);
+
+ /* IO APIC initialization. */
+ pch_enable_ioapic(dev);
+
+ pch_enable_serial_irqs(dev);
+
+ /* Setup the PIRQ. */
+ pch_pirq_init(dev);
+
+ /* Setup power options. */
+ pch_power_options(dev);
+
+ /* Initialize power management */
+ switch (pch_silicon_type()) {
+ case PCH_TYPE_MOBILE5:
+ mobile5_pm_init (dev);
+ break;
+ default:
+ printk(BIOS_ERR, "Unknown Chipset: 0x%04x\n", dev->device);
+ }
+
+ /* Set the state of the GPIO lines. */
+ //gpio_init(dev);
+
+ /* Initialize the real time clock. */
+ pch_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(dev);
+
+ setup_i8259();
+
+ /* The OS should do this? */
+ /* Interrupt 9 should be level triggered (SCI) */
+ i8259_configure_irq_trigger(9, 1);
+
+ pch_disable_smm_only_flashing(dev);
+
+#if CONFIG_HAVE_SMI_HANDLER
+ pch_lock_smm(dev);
+#endif
+
+ pch_fixups(dev);
+}
+
+static void pch_lpc_read_resources(device_t dev)
+{
+ struct resource *res;
+ config_t *config = dev->chip_info;
+ u8 io_index = 0;
+
+ /* 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(io_index++, 0));
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 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;
+
+ /* Set PCH IO decode ranges if required.*/
+ if ((config->gen1_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen1_dec & 0xFFFC;
+ res->size = (config->gen1_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+
+ if ((config->gen2_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen2_dec & 0xFFFC;
+ res->size = (config->gen2_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+
+ if ((config->gen3_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen3_dec & 0xFFFC;
+ res->size = (config->gen3_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+
+ if ((config->gen4_dec & 0xFFFC) > 0x1000) {
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(io_index++, 0));
+ res->base = config->gen4_dec & 0xFFFC;
+ res->size = (config->gen4_dec >> 16) & 0xFC;
+ res->flags = IORESOURCE_IO| IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ }
+}
+
+static void pch_lpc_enable_resources(device_t dev)
+{
+ pch_decode_init(dev);
+ return pci_dev_enable_resources(dev);
+}
+
+static void pch_lpc_enable(device_t dev)
+{
+ /* Enable PCH Display Port */
+ RCBA16(DISPBDF) = 0x0010;
+ RCBA32_OR(FD2, PCH_ENABLE_DBDF);
+
+ pch_enable(dev);
+}
+
+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 = pch_lpc_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pch_lpc_enable_resources,
+ .init = lpc_init,
+ .enable = pch_lpc_enable,
+ .scan_bus = scan_static_bus,
+ .ops_pci = &pci_ops,
+};
+
+
+/* IDs for LPC device of Intel 6 Series Chipset, Intel 7 Series Chipset, and
+ * Intel C200 Series Chipset
+ */
+
+static const unsigned short pci_device_ids[] = { 0x1c46, 0x1c47, 0x1c49, 0x1c4a,
+ 0x1c4b, 0x1c4c, 0x1c4d, 0x1c4e,
+ 0x1c4f, 0x1c50, 0x1c52, 0x1c54,
+ 0x1e55, 0x1c56, 0x1e57, 0x1c5c,
+ 0x1e5d, 0x1e5e, 0x1e5f, 0x3b07,
+ 0 };
+
+static const struct pci_driver pch_lpc __pci_driver = {
+ .ops = &device_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};
+
+
diff --git a/src/southbridge/intel/ibexpeak/me.c b/src/southbridge/intel/ibexpeak/me.c
new file mode 100644
index 0000000000..bc56012b12
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/me.c
@@ -0,0 +1,781 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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
+ */
+
+/*
+ * This is a ramstage driver for the Intel Management Engine found in the
+ * 6-series chipset. It handles the required boot-time messages over the
+ * MMIO-based Management Engine Interface to tell the ME that the BIOS is
+ * finished with POST. Additional messages are defined for debug but are
+ * not used unless the console loglevel is high enough.
+ */
+
+#include <arch/acpi.h>
+#include <arch/hlt.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+#include <device/pci_def.h>
+#include <string.h>
+#include <delay.h>
+#include <elog.h>
+
+#ifdef __SMM__
+#include <arch/pci_mmio_cfg.h>
+#else
+# include <device/device.h>
+# include <device/pci.h>
+#endif
+
+#include "me.h"
+#include "pch.h"
+
+#if CONFIG_CHROMEOS
+#include <vendorcode/google/chromeos/gnvs.h>
+#endif
+
+#ifndef __SMM__
+/* Path that the BIOS should take based on ME state */
+static const char *me_bios_path_values[] = {
+ [ME_NORMAL_BIOS_PATH] = "Normal",
+ [ME_S3WAKE_BIOS_PATH] = "S3 Wake",
+ [ME_ERROR_BIOS_PATH] = "Error",
+ [ME_RECOVERY_BIOS_PATH] = "Recovery",
+ [ME_DISABLE_BIOS_PATH] = "Disable",
+ [ME_FIRMWARE_UPDATE_BIOS_PATH] = "Firmware Update",
+};
+#endif
+
+/* MMIO base address for MEI interface */
+static u32 mei_base_address;
+
+#if CONFIG_DEBUG_INTEL_ME
+static void mei_dump(void *ptr, int dword, int offset, const char *type)
+{
+ struct mei_csr *csr;
+
+ printk(BIOS_SPEW, "%-9s[%02x] : ", type, offset);
+
+ switch (offset) {
+ case MEI_H_CSR:
+ case MEI_ME_CSR_HA:
+ csr = ptr;
+ if (!csr) {
+ printk(BIOS_SPEW, "ERROR: 0x%08x\n", dword);
+ break;
+ }
+ printk(BIOS_SPEW, "cbd=%u cbrp=%02u cbwp=%02u ready=%u "
+ "reset=%u ig=%u is=%u ie=%u\n", csr->buffer_depth,
+ csr->buffer_read_ptr, csr->buffer_write_ptr,
+ csr->ready, csr->reset, csr->interrupt_generate,
+ csr->interrupt_status, csr->interrupt_enable);
+ break;
+ case MEI_ME_CB_RW:
+ case MEI_H_CB_WW:
+ printk(BIOS_SPEW, "CB: 0x%08x\n", dword);
+ break;
+ default:
+ printk(BIOS_SPEW, "0x%08x\n", offset);
+ break;
+ }
+}
+#else
+# define mei_dump(ptr,dword,offset,type) do {} while (0)
+#endif
+
+/*
+ * ME/MEI access helpers using memcpy to avoid aliasing.
+ */
+
+static inline void mei_read_dword_ptr(void *ptr, int offset)
+{
+ u32 dword = read32(mei_base_address + offset);
+ memcpy(ptr, &dword, sizeof(dword));
+ mei_dump(ptr, dword, offset, "READ");
+}
+
+static inline void mei_write_dword_ptr(void *ptr, int offset)
+{
+ u32 dword = 0;
+ memcpy(&dword, ptr, sizeof(dword));
+ write32(mei_base_address + offset, dword);
+ mei_dump(ptr, dword, offset, "WRITE");
+}
+
+#ifndef __SMM__
+static inline void pci_read_dword_ptr(device_t dev, void *ptr, int offset)
+{
+ u32 dword = pci_read_config32(dev, offset);
+ memcpy(ptr, &dword, sizeof(dword));
+ mei_dump(ptr, dword, offset, "PCI READ");
+}
+#endif
+
+static inline void read_host_csr(struct mei_csr *csr)
+{
+ mei_read_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void write_host_csr(struct mei_csr *csr)
+{
+ mei_write_dword_ptr(csr, MEI_H_CSR);
+}
+
+static inline void read_me_csr(struct mei_csr *csr)
+{
+ mei_read_dword_ptr(csr, MEI_ME_CSR_HA);
+}
+
+static inline void write_cb(u32 dword)
+{
+ write32(mei_base_address + MEI_H_CB_WW, dword);
+ mei_dump(NULL, dword, MEI_H_CB_WW, "WRITE");
+}
+
+static inline u32 read_cb(void)
+{
+ u32 dword = read32(mei_base_address + MEI_ME_CB_RW);
+ mei_dump(NULL, dword, MEI_ME_CB_RW, "READ");
+ return dword;
+}
+
+/* Wait for ME ready bit to be asserted */
+static int mei_wait_for_me_ready(void)
+{
+ struct mei_csr me;
+ unsigned try = ME_RETRY;
+
+ while (try--) {
+ read_me_csr(&me);
+ if (me.ready)
+ return 0;
+ udelay(ME_DELAY);
+ }
+
+ printk(BIOS_ERR, "ME: failed to become ready\n");
+ return -1;
+}
+
+static void mei_reset(void)
+{
+ struct mei_csr host;
+
+ if (mei_wait_for_me_ready() < 0)
+ return;
+
+ /* Reset host and ME circular buffers for next message */
+ read_host_csr(&host);
+ host.reset = 1;
+ host.interrupt_generate = 1;
+ write_host_csr(&host);
+
+ if (mei_wait_for_me_ready() < 0)
+ return;
+
+ /* Re-init and indicate host is ready */
+ read_host_csr(&host);
+ host.interrupt_generate = 1;
+ host.ready = 1;
+ host.reset = 0;
+ write_host_csr(&host);
+}
+
+static int mei_send_msg(struct mei_header *mei, struct mkhi_header *mkhi,
+ void *req_data)
+{
+ struct mei_csr host;
+ unsigned ndata, n;
+ u32 *data;
+
+ /* Number of dwords to write, ignoring MKHI */
+ ndata = mei->length >> 2;
+
+ /* Pad non-dword aligned request message length */
+ if (mei->length & 3)
+ ndata++;
+ if (!ndata) {
+ printk(BIOS_DEBUG, "ME: request does not include MKHI\n");
+ return -1;
+ }
+ ndata++; /* Add MEI header */
+
+ /*
+ * Make sure there is still room left in the circular buffer.
+ * Reset the buffer pointers if the requested message will not fit.
+ */
+ read_host_csr(&host);
+ if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+ printk(BIOS_ERR, "ME: circular buffer full, resetting...\n");
+ mei_reset();
+ read_host_csr(&host);
+ }
+
+ /*
+ * This implementation does not handle splitting large messages
+ * across multiple transactions. Ensure the requested length
+ * will fit in the available circular buffer depth.
+ */
+ if ((host.buffer_depth - host.buffer_write_ptr) < ndata) {
+ printk(BIOS_ERR, "ME: message (%u) too large for buffer (%u)\n",
+ ndata + 2, host.buffer_depth);
+ return -1;
+ }
+
+ /* Write MEI header */
+ mei_write_dword_ptr(mei, MEI_H_CB_WW);
+ ndata--;
+
+ /* Write MKHI header */
+ mei_write_dword_ptr(mkhi, MEI_H_CB_WW);
+ ndata--;
+
+ /* Write message data */
+ data = req_data;
+ for (n = 0; n < ndata; ++n)
+ write_cb(*data++);
+
+ /* Generate interrupt to the ME */
+ read_host_csr(&host);
+ host.interrupt_generate = 1;
+ write_host_csr(&host);
+
+ /* Make sure ME is ready after sending request data */
+ return mei_wait_for_me_ready();
+}
+
+static int mei_recv_msg(struct mei_header *mei, struct mkhi_header *mkhi,
+ void *rsp_data, int rsp_bytes)
+{
+ struct mei_header mei_rsp;
+ struct mkhi_header mkhi_rsp;
+ struct mei_csr me, host;
+ unsigned ndata, n;
+ unsigned expected;
+ u32 *data;
+
+ /* Total number of dwords to read from circular buffer */
+ expected = (rsp_bytes + sizeof(mei_rsp) + sizeof(mkhi_rsp)) >> 2;
+ if (rsp_bytes & 3)
+ expected++;
+
+ /*
+ * The interrupt status bit does not appear to indicate that the
+ * message has actually been received. Instead we wait until the
+ * expected number of dwords are present in the circular buffer.
+ */
+ for (n = ME_RETRY; n; --n) {
+ read_me_csr(&me);
+ if ((me.buffer_write_ptr - me.buffer_read_ptr) >= expected)
+ break;
+ udelay(ME_DELAY);
+ }
+ if (!n) {
+ printk(BIOS_ERR, "ME: timeout waiting for data: expected "
+ "%u, available %u\n", expected,
+ me.buffer_write_ptr - me.buffer_read_ptr);
+ return -1;
+ }
+
+ /* Read and verify MEI response header from the ME */
+ mei_read_dword_ptr(&mei_rsp, MEI_ME_CB_RW);
+ if (!mei_rsp.is_complete) {
+ printk(BIOS_ERR, "ME: response is not complete\n");
+ return -1;
+ }
+
+ /* Handle non-dword responses and expect at least MKHI header */
+ ndata = mei_rsp.length >> 2;
+ if (mei_rsp.length & 3)
+ ndata++;
+ if (ndata != (expected - 1)) {
+ printk(BIOS_ERR, "ME: response is missing data\n");
+ return -1;
+ }
+
+ /* Read and verify MKHI response header from the ME */
+ mei_read_dword_ptr(&mkhi_rsp, MEI_ME_CB_RW);
+ if (!mkhi_rsp.is_response ||
+ mkhi->group_id != mkhi_rsp.group_id ||
+ mkhi->command != mkhi_rsp.command) {
+ printk(BIOS_ERR, "ME: invalid response, group %u ?= %u, "
+ "command %u ?= %u, is_response %u\n", mkhi->group_id,
+ mkhi_rsp.group_id, mkhi->command, mkhi_rsp.command,
+ mkhi_rsp.is_response);
+ return -1;
+ }
+ ndata--; /* MKHI header has been read */
+
+ /* Make sure caller passed a buffer with enough space */
+ if (ndata != (rsp_bytes >> 2)) {
+ printk(BIOS_ERR, "ME: not enough room in response buffer: "
+ "%u != %u\n", ndata, rsp_bytes >> 2);
+ return -1;
+ }
+
+ /* Read response data from the circular buffer */
+ data = rsp_data;
+ for (n = 0; n < ndata; ++n)
+ *data++ = read_cb();
+
+ /* Tell the ME that we have consumed the response */
+ read_host_csr(&host);
+ host.interrupt_status = 1;
+ host.interrupt_generate = 1;
+ write_host_csr(&host);
+
+ return mei_wait_for_me_ready();
+}
+
+static inline int mei_sendrecv(struct mei_header *mei, struct mkhi_header *mkhi,
+ void *req_data, void *rsp_data, int rsp_bytes)
+{
+ if (mei_send_msg(mei, mkhi, req_data) < 0)
+ return -1;
+ if (mei_recv_msg(mei, mkhi, rsp_data, rsp_bytes) < 0)
+ return -1;
+ return 0;
+}
+
+#ifdef __SMM__
+/* Send END OF POST message to the ME */
+static int mkhi_end_of_post(void)
+{
+ struct mkhi_header mkhi = {
+ .group_id = MKHI_GROUP_ID_GEN,
+ .command = MKHI_END_OF_POST,
+ };
+ struct mei_header mei = {
+ .is_complete = 1,
+ .host_address = MEI_HOST_ADDRESS,
+ .client_address = MEI_ADDRESS_MKHI,
+ .length = sizeof(mkhi),
+ };
+
+ /* Send request and wait for response */
+ if (mei_sendrecv(&mei, &mkhi, NULL, NULL, 0) < 0) {
+ printk(BIOS_ERR, "ME: END OF POST message failed\n");
+ return -1;
+ }
+
+ printk(BIOS_INFO, "ME: END OF POST message successful\n");
+ return 0;
+}
+#endif
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG) && !defined(__SMM__) && (CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE || CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE)
+/* Get ME firmware version */
+static int mkhi_get_fw_version(void)
+{
+ struct me_fw_version version;
+ struct mkhi_header mkhi = {
+ .group_id = MKHI_GROUP_ID_GEN,
+ .command = MKHI_GET_FW_VERSION,
+ };
+ struct mei_header mei = {
+ .is_complete = 1,
+ .host_address = MEI_HOST_ADDRESS,
+ .client_address = MEI_ADDRESS_MKHI,
+ .length = sizeof(mkhi),
+ };
+
+ /* Send request and wait for response */
+ if (mei_sendrecv(&mei, &mkhi, NULL, &version, sizeof(version)) < 0) {
+ printk(BIOS_ERR, "ME: GET FW VERSION message failed\n");
+ return -1;
+ }
+
+ printk(BIOS_INFO, "ME: Firmware Version %u.%u.%u.%u (code) "
+ "%u.%u.%u.%u (recovery)\n",
+ version.code_major, version.code_minor,
+ version.code_build_number, version.code_hot_fix,
+ version.recovery_major, version.recovery_minor,
+ version.recovery_build_number, version.recovery_hot_fix);
+
+ return 0;
+}
+
+static inline void print_cap(const char *name, int state)
+{
+ printk(BIOS_DEBUG, "ME Capability: %-30s : %sabled\n",
+ name, state ? "en" : "dis");
+}
+
+/* Get ME Firmware Capabilities */
+static int mkhi_get_fwcaps(void)
+{
+ u32 rule_id = 0;
+ struct me_fwcaps cap;
+ struct mkhi_header mkhi = {
+ .group_id = MKHI_GROUP_ID_FWCAPS,
+ .command = MKHI_FWCAPS_GET_RULE,
+ };
+ struct mei_header mei = {
+ .is_complete = 1,
+ .host_address = MEI_HOST_ADDRESS,
+ .client_address = MEI_ADDRESS_MKHI,
+ .length = sizeof(mkhi) + sizeof(rule_id),
+ };
+
+ /* Send request and wait for response */
+ if (mei_sendrecv(&mei, &mkhi, &rule_id, &cap, sizeof(cap)) < 0) {
+ printk(BIOS_ERR, "ME: GET FWCAPS message failed\n");
+ return -1;
+ }
+
+ print_cap("Full Network manageability", cap.caps_sku.full_net);
+ print_cap("Regular Network manageability", cap.caps_sku.std_net);
+ print_cap("Manageability", cap.caps_sku.manageability);
+ print_cap("Small business technology", cap.caps_sku.small_business);
+ print_cap("Level III manageability", cap.caps_sku.l3manageability);
+ print_cap("IntelR Anti-Theft (AT)", cap.caps_sku.intel_at);
+ print_cap("IntelR Capability Licensing Service (CLS)",
+ cap.caps_sku.intel_cls);
+ print_cap("IntelR Power Sharing Technology (MPC)",
+ cap.caps_sku.intel_mpc);
+ print_cap("ICC Over Clocking", cap.caps_sku.icc_over_clocking);
+ print_cap("Protected Audio Video Path (PAVP)", cap.caps_sku.pavp);
+ print_cap("IPV6", cap.caps_sku.ipv6);
+ print_cap("KVM Remote Control (KVM)", cap.caps_sku.kvm);
+ print_cap("Outbreak Containment Heuristic (OCH)", cap.caps_sku.och);
+ print_cap("Virtual LAN (VLAN)", cap.caps_sku.vlan);
+ print_cap("TLS", cap.caps_sku.tls);
+ print_cap("Wireless LAN (WLAN)", cap.caps_sku.wlan);
+
+ return 0;
+}
+#endif
+
+#if CONFIG_CHROMEOS && 0 /* DISABLED */
+/* Tell ME to issue a global reset */
+int mkhi_global_reset(void)
+{
+ struct me_global_reset reset = {
+ .request_origin = GLOBAL_RESET_BIOS_POST,
+ .reset_type = CBM_RR_GLOBAL_RESET,
+ };
+ struct mkhi_header mkhi = {
+ .group_id = MKHI_GROUP_ID_CBM,
+ .command = MKHI_GLOBAL_RESET,
+ };
+ struct mei_header mei = {
+ .is_complete = 1,
+ .length = sizeof(mkhi) + sizeof(reset),
+ .host_address = MEI_HOST_ADDRESS,
+ .client_address = MEI_ADDRESS_MKHI,
+ };
+
+ printk(BIOS_NOTICE, "ME: Requesting global reset\n");
+
+ /* Send request and wait for response */
+ if (mei_sendrecv(&mei, &mkhi, &reset, NULL, 0) < 0) {
+ /* No response means reset will happen shortly... */
+ hlt();
+ }
+
+ /* If the ME responded it rejected the reset request */
+ printk(BIOS_ERR, "ME: Global Reset failed\n");
+ return -1;
+}
+#endif
+
+#ifdef __SMM__
+static void intel_me7_finalize_smm(void)
+{
+ struct me_hfs hfs;
+ u32 reg32;
+
+ mei_base_address =
+ pci_read_config32(PCH_ME_DEV, PCI_BASE_ADDRESS_0) & ~0xf;
+
+ /* S3 path will have hidden this device already */
+ if (!mei_base_address || mei_base_address == 0xfffffff0)
+ return;
+
+ /* Make sure ME is in a mode that expects EOP */
+ reg32 = pci_read_config32(PCH_ME_DEV, PCI_ME_HFS);
+ memcpy(&hfs, &reg32, sizeof(u32));
+
+ /* Abort and leave device alone if not normal mode */
+ if (hfs.fpt_bad ||
+ hfs.working_state != ME_HFS_CWS_NORMAL ||
+ hfs.operation_mode != ME_HFS_MODE_NORMAL)
+ return;
+
+ /* Try to send EOP command so ME stops accepting other commands */
+ mkhi_end_of_post();
+
+ /* Make sure IO is disabled */
+ reg32 = pci_read_config32(PCH_ME_DEV, PCI_COMMAND);
+ reg32 &= ~(PCI_COMMAND_MASTER |
+ PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
+ pci_write_config32(PCH_ME_DEV, PCI_COMMAND, reg32);
+
+ /* Hide the PCI device */
+ RCBA32_OR(FD2, PCH_DISABLE_MEI1);
+}
+
+void intel_me_finalize_smm(void)
+{
+ u32 did = pci_read_config32(PCH_ME_DEV, PCI_VENDOR_ID);
+ switch (did) {
+ case 0x1c3a8086:
+ intel_me7_finalize_smm();
+ break;
+ case 0x1e3a8086:
+ intel_me8_finalize_smm();
+ break;
+ default:
+ printk(BIOS_ERR, "No finalize handler for ME %08x.\n", did);
+ }
+}
+#else /* !__SMM__ */
+
+/* Determine the path that we should take based on ME status */
+static me_bios_path intel_me_path(device_t dev)
+{
+ me_bios_path path = ME_DISABLE_BIOS_PATH;
+ struct me_hfs hfs;
+ struct me_gmes gmes;
+
+#if CONFIG_HAVE_ACPI_RESUME
+ /* S3 wake skips all MKHI messages */
+ if (acpi_slp_type == 3) {
+ return ME_S3WAKE_BIOS_PATH;
+ }
+#endif
+
+ pci_read_dword_ptr(dev, &hfs, PCI_ME_HFS);
+ pci_read_dword_ptr(dev, &gmes, PCI_ME_GMES);
+
+ /* Check and dump status */
+ intel_me_status(&hfs, &gmes);
+
+ /* Check Current Working State */
+ switch (hfs.working_state) {
+ case ME_HFS_CWS_NORMAL:
+ path = ME_NORMAL_BIOS_PATH;
+ break;
+ case ME_HFS_CWS_REC:
+ path = ME_RECOVERY_BIOS_PATH;
+ break;
+ default:
+ path = ME_DISABLE_BIOS_PATH;
+ break;
+ }
+
+ /* Check Current Operation Mode */
+ switch (hfs.operation_mode) {
+ case ME_HFS_MODE_NORMAL:
+ break;
+ case ME_HFS_MODE_DEBUG:
+ case ME_HFS_MODE_DIS:
+ case ME_HFS_MODE_OVER_JMPR:
+ case ME_HFS_MODE_OVER_MEI:
+ default:
+ path = ME_DISABLE_BIOS_PATH;
+ break;
+ }
+
+ /* Check for any error code and valid firmware */
+ if (hfs.error_code || hfs.fpt_bad)
+ path = ME_ERROR_BIOS_PATH;
+
+#if CONFIG_ELOG
+ if (path != ME_NORMAL_BIOS_PATH) {
+ struct elog_event_data_me_extended data = {
+ .current_working_state = hfs.working_state,
+ .operation_state = hfs.operation_state,
+ .operation_mode = hfs.operation_mode,
+ .error_code = hfs.error_code,
+ .progress_code = gmes.progress_code,
+ .current_pmevent = gmes.current_pmevent,
+ .current_state = gmes.current_state,
+ };
+ elog_add_event_byte(ELOG_TYPE_MANAGEMENT_ENGINE, path);
+ elog_add_event_raw(ELOG_TYPE_MANAGEMENT_ENGINE_EXT,
+ &data, sizeof(data));
+ }
+#endif
+
+ return path;
+}
+
+/* Prepare ME for MEI messages */
+static int intel_mei_setup(device_t dev)
+{
+ struct resource *res;
+ struct mei_csr host;
+ u32 reg32;
+
+ /* Find the MMIO base for the ME interface */
+ res = find_resource(dev, PCI_BASE_ADDRESS_0);
+ if (!res || res->base == 0 || res->size == 0) {
+ printk(BIOS_DEBUG, "ME: MEI resource not present!\n");
+ return -1;
+ }
+ mei_base_address = res->base;
+
+ /* Ensure Memory and Bus Master bits are set */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+
+ /* Clean up status for next message */
+ read_host_csr(&host);
+ host.interrupt_generate = 1;
+ host.ready = 1;
+ host.reset = 0;
+ write_host_csr(&host);
+
+ return 0;
+}
+
+/* Read the Extend register hash of ME firmware */
+static int intel_me_extend_valid(device_t dev)
+{
+ struct me_heres status;
+ u32 extend[8] = {0};
+ int i, count = 0;
+
+ pci_read_dword_ptr(dev, &status, PCI_ME_HERES);
+ if (!status.extend_feature_present) {
+ printk(BIOS_ERR, "ME: Extend Feature not present\n");
+ return -1;
+ }
+
+ if (!status.extend_reg_valid) {
+ printk(BIOS_ERR, "ME: Extend Register not valid\n");
+ return -1;
+ }
+
+ switch (status.extend_reg_algorithm) {
+ case PCI_ME_EXT_SHA1:
+ count = 5;
+ printk(BIOS_DEBUG, "ME: Extend SHA-1: ");
+ break;
+ case PCI_ME_EXT_SHA256:
+ count = 8;
+ printk(BIOS_DEBUG, "ME: Extend SHA-256: ");
+ break;
+ default:
+ printk(BIOS_ERR, "ME: Extend Algorithm %d unknown\n",
+ status.extend_reg_algorithm);
+ return -1;
+ }
+
+ for (i = 0; i < count; ++i) {
+ extend[i] = pci_read_config32(dev, PCI_ME_HER(i));
+ printk(BIOS_DEBUG, "%08x", extend[i]);
+ }
+ printk(BIOS_DEBUG, "\n");
+
+#if CONFIG_CHROMEOS
+ /* Save hash in NVS for the OS to verify */
+ chromeos_set_me_hash(extend, count);
+#endif
+
+ return 0;
+}
+
+/* Hide the ME virtual PCI devices */
+static void intel_me_hide(device_t dev)
+{
+ dev->enabled = 0;
+ pch_enable(dev);
+}
+
+/* Check whether ME is present and do basic init */
+static void intel_me_init(device_t dev)
+{
+ me_bios_path path = intel_me_path(dev);
+
+ /* Do initial setup and determine the BIOS path */
+ printk(BIOS_NOTICE, "ME: BIOS path: %s\n", me_bios_path_values[path]);
+
+ switch (path) {
+ case ME_S3WAKE_BIOS_PATH:
+ intel_me_hide(dev);
+ break;
+
+ case ME_NORMAL_BIOS_PATH:
+ /* Validate the extend register */
+ if (intel_me_extend_valid(dev) < 0)
+ break; /* TODO: force recovery mode */
+
+ /* Prepare MEI MMIO interface */
+ if (intel_mei_setup(dev) < 0)
+ break;
+
+#if (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= BIOS_DEBUG) && (CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE || CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE)
+ /* Print ME firmware version */
+ mkhi_get_fw_version();
+ /* Print ME firmware capabilities */
+ mkhi_get_fwcaps();
+#endif
+
+ /*
+ * Leave the ME unlocked in this path.
+ * It will be locked via SMI command later.
+ */
+ break;
+
+ case ME_ERROR_BIOS_PATH:
+ case ME_RECOVERY_BIOS_PATH:
+ case ME_DISABLE_BIOS_PATH:
+ case ME_FIRMWARE_UPDATE_BIOS_PATH:
+ break;
+ }
+}
+
+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 = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = intel_me_init,
+ .scan_bus = scan_static_bus,
+ .ops_pci = &pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = { 0x1c3a, 0x3b64,
+ 0 };
+
+
+static const struct pci_driver intel_me __pci_driver = {
+ .ops = &device_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids
+};
+
+#endif /* !__SMM__ */
diff --git a/src/southbridge/intel/ibexpeak/me.h b/src/southbridge/intel/ibexpeak/me.h
new file mode 100644
index 0000000000..6e2062de32
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/me.h
@@ -0,0 +1,374 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 _INTEL_ME_H
+#define _INTEL_ME_H
+
+#define ME_RETRY 100000 /* 1 second */
+#define ME_DELAY 10 /* 10 us */
+
+/*
+ * Management Engine PCI registers
+ */
+
+#define PCI_CPU_DEVICE PCI_DEV(0,0,0)
+#define PCI_CPU_MEBASE_L 0x70 /* Set by MRC */
+#define PCI_CPU_MEBASE_H 0x74 /* Set by MRC */
+
+#define PCI_ME_HFS 0x40
+#define ME_HFS_CWS_RESET 0
+#define ME_HFS_CWS_INIT 1
+#define ME_HFS_CWS_REC 2
+#define ME_HFS_CWS_NORMAL 5
+#define ME_HFS_CWS_WAIT 6
+#define ME_HFS_CWS_TRANS 7
+#define ME_HFS_CWS_INVALID 8
+#define ME_HFS_STATE_PREBOOT 0
+#define ME_HFS_STATE_M0_UMA 1
+#define ME_HFS_STATE_M3 4
+#define ME_HFS_STATE_M0 5
+#define ME_HFS_STATE_BRINGUP 6
+#define ME_HFS_STATE_ERROR 7
+#define ME_HFS_ERROR_NONE 0
+#define ME_HFS_ERROR_UNCAT 1
+#define ME_HFS_ERROR_IMAGE 3
+#define ME_HFS_ERROR_DEBUG 4
+#define ME_HFS_MODE_NORMAL 0
+#define ME_HFS_MODE_DEBUG 2
+#define ME_HFS_MODE_DIS 3
+#define ME_HFS_MODE_OVER_JMPR 4
+#define ME_HFS_MODE_OVER_MEI 5
+#define ME_HFS_BIOS_DRAM_ACK 1
+#define ME_HFS_ACK_NO_DID 0
+#define ME_HFS_ACK_RESET 1
+#define ME_HFS_ACK_PWR_CYCLE 2
+#define ME_HFS_ACK_S3 3
+#define ME_HFS_ACK_S4 4
+#define ME_HFS_ACK_S5 5
+#define ME_HFS_ACK_GBL_RESET 6
+#define ME_HFS_ACK_CONTINUE 7
+
+struct me_hfs {
+ u32 working_state: 4;
+ u32 mfg_mode: 1;
+ u32 fpt_bad: 1;
+ u32 operation_state: 3;
+ u32 fw_init_complete: 1;
+ u32 ft_bup_ld_flr: 1;
+ u32 update_in_progress: 1;
+ u32 error_code: 4;
+ u32 operation_mode: 4;
+ u32 reserved: 4;
+ u32 boot_options_present: 1;
+ u32 ack_data: 3;
+ u32 bios_msg_ack: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_UMA 0x44
+
+struct me_uma {
+ u32 size: 6;
+ u32 reserved_1: 10;
+ u32 valid: 1;
+ u32 reserved_0: 14;
+ u32 set_to_one: 1;
+} __attribute__ ((packed));
+
+#define PCI_ME_H_GS 0x4c
+#define ME_INIT_DONE 1
+#define ME_INIT_STATUS_SUCCESS 0
+#define ME_INIT_STATUS_NOMEM 1
+#define ME_INIT_STATUS_ERROR 2
+
+struct me_did {
+ u32 uma_base: 16;
+ u32 reserved: 8;
+ u32 status: 4;
+ u32 init_done: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_GMES 0x48
+#define ME_GMES_PHASE_ROM 0
+#define ME_GMES_PHASE_BUP 1
+#define ME_GMES_PHASE_UKERNEL 2
+#define ME_GMES_PHASE_POLICY 3
+#define ME_GMES_PHASE_MODULE 4
+#define ME_GMES_PHASE_UNKNOWN 5
+#define ME_GMES_PHASE_HOST 6
+
+struct me_gmes {
+ u32 bist_in_prog : 1;
+ u32 icc_prog_sts : 2;
+ u32 invoke_mebx : 1;
+ u32 cpu_replaced_sts : 1;
+ u32 mbp_rdy : 1;
+ u32 mfs_failure : 1;
+ u32 warm_rst_req_for_df : 1;
+ u32 cpu_replaced_valid : 1;
+ u32 reserved_1 : 2;
+ u32 fw_upd_ipu : 1;
+ u32 reserved_2 : 4;
+ u32 current_state: 8;
+ u32 current_pmevent: 4;
+ u32 progress_code: 4;
+} __attribute__ ((packed));
+
+#define PCI_ME_HERES 0xbc
+#define PCI_ME_EXT_SHA1 0x00
+#define PCI_ME_EXT_SHA256 0x02
+#define PCI_ME_HER(x) (0xc0+(4*(x)))
+
+struct me_heres {
+ u32 extend_reg_algorithm: 4;
+ u32 reserved: 26;
+ u32 extend_feature_present: 1;
+ u32 extend_reg_valid: 1;
+} __attribute__ ((packed));
+
+/*
+ * Management Engine MEI registers
+ */
+
+#define MEI_H_CB_WW 0x00
+#define MEI_H_CSR 0x04
+#define MEI_ME_CB_RW 0x08
+#define MEI_ME_CSR_HA 0x0c
+
+struct mei_csr {
+ u32 interrupt_enable: 1;
+ u32 interrupt_status: 1;
+ u32 interrupt_generate: 1;
+ u32 ready: 1;
+ u32 reset: 1;
+ u32 reserved: 3;
+ u32 buffer_read_ptr: 8;
+ u32 buffer_write_ptr: 8;
+ u32 buffer_depth: 8;
+} __attribute__ ((packed));
+
+#define MEI_ADDRESS_CORE 0x01
+#define MEI_ADDRESS_AMT 0x02
+#define MEI_ADDRESS_RESERVED 0x03
+#define MEI_ADDRESS_WDT 0x04
+#define MEI_ADDRESS_MKHI 0x07
+#define MEI_ADDRESS_ICC 0x08
+#define MEI_ADDRESS_THERMAL 0x09
+
+#define MEI_HOST_ADDRESS 0
+
+struct mei_header {
+ u32 client_address: 8;
+ u32 host_address: 8;
+ u32 length: 9;
+ u32 reserved: 6;
+ u32 is_complete: 1;
+} __attribute__ ((packed));
+
+#define MKHI_GROUP_ID_CBM 0x00
+#define MKHI_GROUP_ID_FWCAPS 0x03
+#define MKHI_GROUP_ID_MDES 0x08
+#define MKHI_GROUP_ID_GEN 0xff
+
+#define MKHI_GLOBAL_RESET 0x0b
+
+#define MKHI_FWCAPS_GET_RULE 0x02
+
+#define MKHI_MDES_ENABLE 0x09
+
+#define MKHI_GET_FW_VERSION 0x02
+#define MKHI_SET_UMA 0x08
+#define MKHI_END_OF_POST 0x0c
+#define MKHI_FEATURE_OVERRIDE 0x14
+
+struct mkhi_header {
+ u32 group_id: 8;
+ u32 command: 7;
+ u32 is_response: 1;
+ u32 reserved: 8;
+ u32 result: 8;
+} __attribute__ ((packed));
+
+struct me_fw_version {
+ u16 code_minor;
+ u16 code_major;
+ u16 code_build_number;
+ u16 code_hot_fix;
+ u16 recovery_minor;
+ u16 recovery_major;
+ u16 recovery_build_number;
+ u16 recovery_hot_fix;
+} __attribute__ ((packed));
+
+
+#define HECI_EOP_STATUS_SUCCESS 0x0
+#define HECI_EOP_PERFORM_GLOBAL_RESET 0x1
+
+#define CBM_RR_GLOBAL_RESET 0x01
+
+#define GLOBAL_RESET_BIOS_MRC 0x01
+#define GLOBAL_RESET_BIOS_POST 0x02
+#define GLOBAL_RESET_MEBX 0x03
+
+struct me_global_reset {
+ u8 request_origin;
+ u8 reset_type;
+} __attribute__ ((packed));
+
+typedef enum {
+ ME_NORMAL_BIOS_PATH,
+ ME_S3WAKE_BIOS_PATH,
+ ME_ERROR_BIOS_PATH,
+ ME_RECOVERY_BIOS_PATH,
+ ME_DISABLE_BIOS_PATH,
+ ME_FIRMWARE_UPDATE_BIOS_PATH,
+} me_bios_path;
+
+/* Defined in me_status.c for both romstage and ramstage */
+void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes);
+
+#ifdef __PRE_RAM__
+void intel_early_me_status(void);
+int intel_early_me_init(void);
+int intel_early_me_uma_size(void);
+int intel_early_me_init_done(u8 status);
+#endif
+
+#ifdef __SMM__
+void intel_me_finalize_smm(void);
+void intel_me8_finalize_smm(void);
+#endif
+typedef struct {
+ u32 major_version : 16;
+ u32 minor_version : 16;
+ u32 hotfix_version : 16;
+ u32 build_version : 16;
+} __attribute__ ((packed)) mbp_fw_version_name;
+
+typedef struct {
+ u8 num_icc_profiles;
+ u8 icc_profile_soft_strap;
+ u8 icc_profile_index;
+ u8 reserved;
+ u32 register_lock_mask[3];
+} __attribute__ ((packed)) mbp_icc_profile;
+
+typedef struct {
+ u32 full_net : 1;
+ u32 std_net : 1;
+ u32 manageability : 1;
+ u32 small_business : 1;
+ u32 l3manageability : 1;
+ u32 intel_at : 1;
+ u32 intel_cls : 1;
+ u32 reserved : 3;
+ u32 intel_mpc : 1;
+ u32 icc_over_clocking : 1;
+ u32 pavp : 1;
+ u32 reserved_1 : 4;
+ u32 ipv6 : 1;
+ u32 kvm : 1;
+ u32 och : 1;
+ u32 vlan : 1;
+ u32 tls : 1;
+ u32 reserved_4 : 1;
+ u32 wlan : 1;
+ u32 reserved_5 : 8;
+} __attribute__ ((packed)) mefwcaps_sku;
+
+typedef struct {
+ u16 lock_state : 1;
+ u16 authenticate_module : 1;
+ u16 s3authentication : 1;
+ u16 flash_wear_out : 1;
+ u16 flash_variable_security : 1;
+ u16 wwan3gpresent : 1;
+ u16 wwan3goob : 1;
+ u16 reserved : 9;
+} __attribute__ ((packed)) tdt_state_flag;
+
+typedef struct {
+ u8 state;
+ u8 last_theft_trigger;
+ tdt_state_flag flags;
+} __attribute__ ((packed)) tdt_state_info;
+
+typedef struct {
+ u32 platform_target_usage_type : 4;
+ u32 platform_target_market_type : 2;
+ u32 super_sku : 1;
+ u32 reserved : 1;
+ u32 intel_me_fw_image_type : 4;
+ u32 platform_brand : 4;
+ u32 reserved_1 : 16;
+} __attribute__ ((packed)) platform_type_rule_data;
+
+typedef struct {
+ mefwcaps_sku fw_capabilities;
+ u8 available;
+} mbp_fw_caps;
+
+typedef struct {
+ u16 device_id;
+ u16 fuse_test_flags;
+ u32 umchid[4];
+} __attribute__ ((packed)) mbp_rom_bist_data;
+
+typedef struct {
+ u32 key[8];
+} mbp_platform_key;
+
+typedef struct {
+ platform_type_rule_data rule_data;
+ u8 available;
+} mbp_plat_type;
+
+typedef struct {
+ mbp_fw_version_name fw_version_name;
+ mbp_fw_caps fw_caps_sku;
+ mbp_rom_bist_data rom_bist_data;
+ mbp_platform_key platform_key;
+ mbp_plat_type fw_plat_type;
+ mbp_icc_profile icc_profile;
+ tdt_state_info at_state;
+ u32 mfsintegrity;
+} me_bios_payload;
+
+typedef struct {
+ u32 mbp_size : 8;
+ u32 num_entries : 8;
+ u32 rsvd : 16;
+} __attribute__ ((packed)) mbp_header;
+
+typedef struct {
+ u32 app_id : 8;
+ u32 item_id : 8;
+ u32 length : 8;
+ u32 rsvd : 8;
+} __attribute__ ((packed)) mbp_item_header;
+
+struct me_fwcaps {
+ u32 id;
+ u8 length;
+ mefwcaps_sku caps_sku;
+ u8 reserved[3];
+} __attribute__ ((packed));
+
+#endif /* _INTEL_ME_H */
diff --git a/src/southbridge/intel/ibexpeak/nvs.h b/src/southbridge/intel/ibexpeak/nvs.h
new file mode 100644
index 0000000000..7b8b6c9e9c
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/nvs.h
@@ -0,0 +1,160 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2011 Google Inc
+ *
+ * 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 "vendorcode/google/chromeos/gnvs.h"
+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) */
+ /* Thermal policy */
+ u8 tlvl; /* 0x11 - Throttle Level Limit */
+ u8 flvl; /* 0x12 - Current FAN Level */
+ u8 tcrt; /* 0x13 - Critical Threshold */
+ u8 tpsv; /* 0x14 - Passive Threshold */
+ u8 tmax; /* 0x15 - CPU Tj_max */
+ u8 f0of; /* 0x16 - FAN 0 OFF Threshold */
+ u8 f0on; /* 0x17 - FAN 0 ON Threshold */
+ u8 f0pw; /* 0x18 - FAN 0 PWM value */
+ u8 f1of; /* 0x19 - FAN 1 OFF Threshold */
+ u8 f1on; /* 0x1a - FAN 1 ON Threshold */
+ u8 f1pw; /* 0x1b - FAN 1 PWM value */
+ u8 f2of; /* 0x1c - FAN 2 OFF Threshold */
+ u8 f2on; /* 0x1d - FAN 2 ON Threshold */
+ u8 f2pw; /* 0x1e - FAN 2 PWM value */
+ u8 f3of; /* 0x1f - FAN 3 OFF Threshold */
+ u8 f3on; /* 0x20 - FAN 3 ON Threshold */
+ u8 f3pw; /* 0x21 - FAN 3 PWM value */
+ u8 f4of; /* 0x22 - FAN 4 OFF Threshold */
+ u8 f4on; /* 0x23 - FAN 4 ON Threshold */
+ u8 f4pw; /* 0x24 - FAN 4 PWM value */
+ u8 tmps; /* 0x25 - Temperature Sensor ID */
+ u8 rsvd3[2];
+ /* 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 pcnt; /* 0x2d - Processor Count */
+ u8 rsvd4[4];
+ /* Super I/O & CMOS config */
+ u8 natp; /* 0x32 - SIO type */
+ u8 s5u0; /* 0x33 - Enable USB0 in S5 */
+ u8 s5u1; /* 0x34 - Enable USB1 in S5 */
+ u8 s3u0; /* 0x35 - Enable USB0 in S3 */
+ u8 s3u1; /* 0x36 - Enable USB1 in S3 */
+ u8 s33g; /* 0x37 - Enable S3 in 3G */
+ u32 cmem; /* 0x38 - CBMEM TOC */
+ /* 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];
+ /* Extended Mobile Access */
+ u8 emae; /* 0x78 - EMA enable */
+ u16 emap; /* 0x79 - EMA pointer */
+ u16 emal; /* 0x7a - EMA Length */
+ 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[6];
+ /* XHCI */
+ u8 xhci;
+ /* IGD OpRegion (not implemented yet) */
+ u32 aslb; /* 0xb4 - IGD OpRegion Base Address */
+ u8 ibtt; /* 0xb8 - IGD boot type */
+ u8 ipat; /* 0xb9 - IGD panel type */
+ u8 itvf; /* 0xba - IGD TV format */
+ u8 itvm; /* 0xbb - IGD TV minor format */
+ u8 ipsc; /* 0xbc - IGD Panel Scaling */
+ u8 iblc; /* 0xbd - IGD BLC configuration */
+ u8 ibia; /* 0xbe - IGD BIA configuration */
+ u8 issc; /* 0xbf - IGD SSC configuration */
+ u8 i409; /* 0xc0 - IGD 0409 modified settings */
+ u8 i509; /* 0xc1 - IGD 0509 modified settings */
+ u8 i609; /* 0xc2 - IGD 0609 modified settings */
+ u8 i709; /* 0xc3 - IGD 0709 modified settings */
+ u8 idmm; /* 0xc4 - IGD Power Conservation */
+ u8 idms; /* 0xc5 - IGD DVMT memory size */
+ u8 if1e; /* 0xc6 - IGD Function 1 Enable */
+ u8 hvco; /* 0xc7 - IGD HPLL VCO */
+ u32 nxd[8]; /* 0xc8 - IGD next state DIDx for _DGS */
+ u8 isci; /* 0xe8 - IGD SMI/SCI mode (0: SCI) */
+ u8 pavp; /* 0xe9 - IGD PAVP data */
+ u8 rsvd12; /* 0xea - rsvd */
+ u8 oscc; /* 0xeb - PCIe OSC control */
+ u8 npce; /* 0xec - native pcie support */
+ u8 plfl; /* 0xed - platform flavor */
+ u8 brev; /* 0xee - board revision */
+ u8 dpbm; /* 0xef - digital port b mode */
+ u8 dpcm; /* 0xf0 - digital port c mode */
+ u8 dpdm; /* 0xf1 - digital port c mode */
+ u8 alfp; /* 0xf2 - active lfp */
+ u8 imon; /* 0xf3 - current graphics turbo imon value */
+ u8 mmio; /* 0xf4 - 64bit mmio support */
+ u8 rsvd13[11]; /* 0xf5 - rsvd */
+
+ /* ChromeOS specific (starts at 0x100)*/
+ chromeos_acpi_t chromeos;
+} __attribute__((packed)) global_nvs_t;
+
+#ifdef __SMM__
+/* Used in SMM to find the ACPI GNVS address */
+global_nvs_t *smm_get_gnvs(void);
+#endif
diff --git a/src/southbridge/intel/ibexpeak/pch.h b/src/southbridge/intel/ibexpeak/pch.h
new file mode 100644
index 0000000000..356dd8ae28
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/pch.h
@@ -0,0 +1,571 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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_BD82X6X_PCH_H
+#define SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
+
+/* PCH types */
+#define PCH_TYPE_CPT 0x1c /* CougarPoint */
+#define PCH_TYPE_PPT 0x1e /* IvyBridge */
+#define PCH_TYPE_MOBILE5 0x3b
+
+/* PCH stepping values for LPC device */
+#define PCH_STEP_A0 0
+#define PCH_STEP_A1 1
+#define PCH_STEP_B0 2
+#define PCH_STEP_B1 3
+#define PCH_STEP_B2 4
+#define PCH_STEP_B3 5
+
+/*
+ * It does not matter where we put the SMBus I/O base, as long as we
+ * keep it consistent and don't interfere with other devices. Stage2
+ * will relocate this anyways.
+ * Our solution is to have SMB initialization move the I/O to SMBUS_IO_BASE
+ * again. But handling static BARs is a generic problem that should be
+ * solved in the device allocator.
+ */
+#define SMBUS_IO_BASE 0x0400
+#define SMBUS_SLAVE_ADDR 0x24
+/* TODO Make sure these don't get changed by stage2 */
+#define DEFAULT_GPIOBASE 0x0480
+#define DEFAULT_PMBASE 0x0500
+
+#define DEFAULT_RCBA 0xfed1c000
+
+#ifndef __ACPI__
+#define DEBUG_PERIODIC_SMIS 0
+
+#if defined (__SMM__) && !defined(__ASSEMBLER__)
+void intel_pch_finalize_smm(void);
+#endif
+
+#if !defined(__ASSEMBLER__)
+#if !defined(__PRE_RAM__)
+#if !defined(__SMM__)
+#include "chip.h"
+void pch_enable(device_t dev);
+#endif
+int pch_silicon_revision(void);
+int pch_silicon_type(void);
+int pch_silicon_supported(int type, int rev);
+void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
+#if CONFIG_ELOG
+void pch_log_state(void);
+#endif
+#else /* __PRE_RAM__ */
+void enable_smbus(void);
+void enable_usb_bar(void);
+int smbus_read_byte(unsigned device, unsigned address);
+int smbus_write_byte(unsigned device, unsigned address, u8 data);
+int smbus_block_read(unsigned device, unsigned cmd, u8 bytes, u8 *buf);
+int smbus_block_write(unsigned device, unsigned cmd, u8 bytes, const u8 *buf);
+int early_spi_read(u32 offset, u32 size, u8 *buffer);
+#endif
+#endif
+
+#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
+
+/* PCI Configuration Space (D30:F0): PCI2PCI */
+#define PSTS 0x06
+#define SMLT 0x1b
+#define SECSTS 0x1e
+#define INTR 0x3c
+#define BCTRL 0x3e
+#define SBR (1 << 6)
+#define SEE (1 << 1)
+#define PERE (1 << 0)
+
+#define PCH_EHCI1_DEV PCI_DEV(0, 0x1d, 0)
+#define PCH_EHCI2_DEV PCI_DEV(0, 0x1a, 0)
+#define PCH_XHCI_DEV PCI_DEV(0, 0x14, 0)
+#define PCH_ME_DEV PCI_DEV(0, 0x16, 0)
+#define PCH_PCIE_DEV_SLOT 28
+
+/* PCI Configuration Space (D31:F0): LPC */
+#define PCH_LPC_DEV PCI_DEV(0, 0x1f, 0)
+#define SERIRQ_CNTL 0x64
+
+#define GEN_PMCON_1 0xa0
+#define GEN_PMCON_2 0xa2
+#define GEN_PMCON_3 0xa4
+#define ETR3 0xac
+#define ETR3_CWORWRE (1 << 18)
+#define ETR3_CF9GR (1 << 20)
+
+/* GEN_PMCON_3 bits */
+#define RTC_BATTERY_DEAD (1 << 2)
+#define RTC_POWER_FAILED (1 << 1)
+#define SLEEP_AFTER_POWER_FAIL (1 << 0)
+
+#define PMBASE 0x40
+#define ACPI_CNTL 0x44
+#define ACPI_EN (1 << 7)
+#define BIOS_CNTL 0xDC
+#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
+#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
+#define GPIO_ROUT 0xb8
+
+#define PIRQA_ROUT 0x60
+#define PIRQB_ROUT 0x61
+#define PIRQC_ROUT 0x62
+#define PIRQD_ROUT 0x63
+#define PIRQE_ROUT 0x68
+#define PIRQF_ROUT 0x69
+#define PIRQG_ROUT 0x6A
+#define PIRQH_ROUT 0x6B
+
+#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
+#define LPC_EN 0x82 /* LPC IF Enables Register */
+#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */
+#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */
+#define MC_LPC_EN (1 << 11) /* 0x62/0x66 */
+#define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */
+#define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */
+#define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */
+#define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */
+#define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */
+#define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */
+#define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */
+#define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */
+#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */
+#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
+#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
+
+/* PCI Configuration Space (D31:F1): IDE */
+#define PCH_IDE_DEV PCI_DEV(0, 0x1f, 1)
+#define PCH_SATA_DEV PCI_DEV(0, 0x1f, 2)
+#define PCH_SATA2_DEV PCI_DEV(0, 0x1f, 5)
+#define INTR_LN 0x3c
+#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
+#define IDE_DECODE_ENABLE (1 << 15)
+#define IDE_SITRE (1 << 14)
+#define IDE_ISP_5_CLOCKS (0 << 12)
+#define IDE_ISP_4_CLOCKS (1 << 12)
+#define IDE_ISP_3_CLOCKS (2 << 12)
+#define IDE_RCT_4_CLOCKS (0 << 8)
+#define IDE_RCT_3_CLOCKS (1 << 8)
+#define IDE_RCT_2_CLOCKS (2 << 8)
+#define IDE_RCT_1_CLOCKS (3 << 8)
+#define IDE_DTE1 (1 << 7)
+#define IDE_PPE1 (1 << 6)
+#define IDE_IE1 (1 << 5)
+#define IDE_TIME1 (1 << 4)
+#define IDE_DTE0 (1 << 3)
+#define IDE_PPE0 (1 << 2)
+#define IDE_IE0 (1 << 1)
+#define IDE_TIME0 (1 << 0)
+#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
+
+#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
+#define IDE_SSDE1 (1 << 3)
+#define IDE_SSDE0 (1 << 2)
+#define IDE_PSDE1 (1 << 1)
+#define IDE_PSDE0 (1 << 0)
+
+#define IDE_SDMA_TIM 0x4a
+
+#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
+#define SIG_MODE_SEC_NORMAL (0 << 18)
+#define SIG_MODE_SEC_TRISTATE (1 << 18)
+#define SIG_MODE_SEC_DRIVELOW (2 << 18)
+#define SIG_MODE_PRI_NORMAL (0 << 16)
+#define SIG_MODE_PRI_TRISTATE (1 << 16)
+#define SIG_MODE_PRI_DRIVELOW (2 << 16)
+#define FAST_SCB1 (1 << 15)
+#define FAST_SCB0 (1 << 14)
+#define FAST_PCB1 (1 << 13)
+#define FAST_PCB0 (1 << 12)
+#define SCB1 (1 << 3)
+#define SCB0 (1 << 2)
+#define PCB1 (1 << 1)
+#define PCB0 (1 << 0)
+
+#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */
+#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */
+#define SATA_SP 0xd0 /* Scratchpad */
+
+/* SATA IOBP Registers */
+#define SATA_IOBP_SP0G3IR 0xea000151
+#define SATA_IOBP_SP1G3IR 0xea000051
+
+/* PCI Configuration Space (D31:F3): SMBus */
+#define PCH_SMBUS_DEV PCI_DEV(0, 0x1f, 3)
+#define SMB_BASE 0x20
+#define HOSTC 0x40
+#define SMB_RCV_SLVA 0x09
+
+/* 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)
+
+
+/* Southbridge IO BARs */
+
+#define GPIOBASE 0x48
+
+#define PMBASE 0x40
+
+/* Root Complex Register Block */
+#define RCBA 0xf0
+
+#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_AND_OR(bits, x, and, or) \
+ RCBA##bits(x) = ((RCBA##bits(x) & (and)) | (or))
+#define RCBA8_AND_OR(x, and, or) RCBA_AND_OR(8, x, and, or)
+#define RCBA16_AND_OR(x, and, or) RCBA_AND_OR(16, x, and, or)
+#define RCBA32_AND_OR(x, and, or) RCBA_AND_OR(32, x, and, or)
+#define RCBA32_OR(x, or) RCBA_AND_OR(32, x, ~0UL, or)
+
+#define VCH 0x0000 /* 32bit */
+#define VCAP1 0x0004 /* 32bit */
+#define VCAP2 0x0008 /* 32bit */
+#define PVC 0x000c /* 16bit */
+#define PVS 0x000e /* 16bit */
+
+#define V0CAP 0x0010 /* 32bit */
+#define V0CTL 0x0014 /* 32bit */
+#define V0STS 0x001a /* 16bit */
+
+#define V1CAP 0x001c /* 32bit */
+#define V1CTL 0x0020 /* 32bit */
+#define V1STS 0x0026 /* 16bit */
+
+#define RCTCL 0x0100 /* 32bit */
+#define ESD 0x0104 /* 32bit */
+#define ULD 0x0110 /* 32bit */
+#define ULBA 0x0118 /* 64bit */
+
+#define RP1D 0x0120 /* 32bit */
+#define RP1BA 0x0128 /* 64bit */
+#define RP2D 0x0130 /* 32bit */
+#define RP2BA 0x0138 /* 64bit */
+#define RP3D 0x0140 /* 32bit */
+#define RP3BA 0x0148 /* 64bit */
+#define RP4D 0x0150 /* 32bit */
+#define RP4BA 0x0158 /* 64bit */
+#define HDD 0x0160 /* 32bit */
+#define HDBA 0x0168 /* 64bit */
+#define RP5D 0x0170 /* 32bit */
+#define RP5BA 0x0178 /* 64bit */
+#define RP6D 0x0180 /* 32bit */
+#define RP6BA 0x0188 /* 64bit */
+
+#define RPC 0x0400 /* 32bit */
+#define RPFN 0x0404 /* 32bit */
+
+/* Root Port configuratinon space hide */
+#define RPFN_HIDE(port) (1 << (((port) * 4) + 3))
+/* Get the function number assigned to a Root Port */
+#define RPFN_FNGET(reg,port) (((reg) >> ((port) * 4)) & 7)
+/* Set the function number for a Root Port */
+#define RPFN_FNSET(port,func) (((func) & 7) << ((port) * 4))
+/* Root Port function number mask */
+#define RPFN_FNMASK(port) (7 << ((port) * 4))
+
+#define TRSR 0x1e00 /* 8bit */
+#define TRCR 0x1e10 /* 64bit */
+#define TWDR 0x1e18 /* 64bit */
+
+#define IOTR0 0x1e80 /* 64bit */
+#define IOTR1 0x1e88 /* 64bit */
+#define IOTR2 0x1e90 /* 64bit */
+#define IOTR3 0x1e98 /* 64bit */
+
+#define TCTL 0x3000 /* 8bit */
+
+#define NOINT 0
+#define INTA 1
+#define INTB 2
+#define INTC 3
+#define INTD 4
+
+#define DIR_IDR 12 /* Interrupt D Pin Offset */
+#define DIR_ICR 8 /* Interrupt C Pin Offset */
+#define DIR_IBR 4 /* Interrupt B Pin Offset */
+#define DIR_IAR 0 /* Interrupt A Pin Offset */
+
+#define PIRQA 0
+#define PIRQB 1
+#define PIRQC 2
+#define PIRQD 3
+#define PIRQE 4
+#define PIRQF 5
+#define PIRQG 6
+#define PIRQH 7
+
+/* IO Buffer Programming */
+#define IOBPIRI 0x2330
+#define IOBPD 0x2334
+#define IOBPS 0x2338
+#define IOBPS_RW_BX ((1 << 9)|(1 << 10))
+#define IOBPS_WRITE_AX ((1 << 9)|(1 << 10))
+#define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10))
+
+#define D31IP 0x3100 /* 32bit */
+#define D31IP_TTIP 24 /* Thermal Throttle Pin */
+#define D31IP_SIP2 20 /* SATA Pin 2 */
+#define D31IP_UNKIP 16
+#define D31IP_SMIP 12 /* SMBUS Pin */
+#define D31IP_SIP 8 /* SATA Pin */
+#define D30IP 0x3104 /* 32bit */
+#define D30IP_PIP 0 /* PCI Bridge Pin */
+#define D29IP 0x3108 /* 32bit */
+#define D29IP_E1P 0 /* EHCI #1 Pin */
+#define D28IP 0x310c /* 32bit */
+#define D28IP_P8IP 28 /* PCI Express Port 8 */
+#define D28IP_P7IP 24 /* PCI Express Port 7 */
+#define D28IP_P6IP 20 /* PCI Express Port 6 */
+#define D28IP_P5IP 16 /* PCI Express Port 5 */
+#define D28IP_P4IP 12 /* PCI Express Port 4 */
+#define D28IP_P3IP 8 /* PCI Express Port 3 */
+#define D28IP_P2IP 4 /* PCI Express Port 2 */
+#define D28IP_P1IP 0 /* PCI Express Port 1 */
+#define D27IP 0x3110 /* 32bit */
+#define D27IP_ZIP 0 /* HD Audio Pin */
+#define D26IP 0x3114 /* 32bit */
+#define D26IP_E2P 0 /* EHCI #2 Pin */
+#define D25IP 0x3118 /* 32bit */
+#define D25IP_LIP 0 /* GbE LAN Pin */
+#define D22IP 0x3124 /* 32bit */
+#define D22IP_KTIP 12 /* KT Pin */
+#define D22IP_IDERIP 8 /* IDE-R Pin */
+#define D22IP_MEI2IP 4 /* MEI #2 Pin */
+#define D22IP_MEI1IP 0 /* MEI #1 Pin */
+#define D20IP 0x3128 /* 32bit */
+#define D20IP_XHCIIP 0
+#define D31IR 0x3140 /* 16bit */
+#define D30IR 0x3142 /* 16bit */
+#define D29IR 0x3144 /* 16bit */
+#define D28IR 0x3146 /* 16bit */
+#define D27IR 0x3148 /* 16bit */
+#define D26IR 0x314c /* 16bit */
+#define D25IR 0x3150 /* 16bit */
+#define D22IR 0x315c /* 16bit */
+#define D20IR 0x3160 /* 16bit */
+#define OIC 0x31fe /* 16bit */
+#define SOFT_RESET_CTRL 0x38f4
+#define SOFT_RESET_DATA 0x38f8
+
+#define DIR_ROUTE(x,a,b,c,d) \
+ RCBA32(x) = (((d) << DIR_IDR) | ((c) << DIR_ICR) | \
+ ((b) << DIR_IBR) | ((a) << DIR_IAR))
+
+#define RC 0x3400 /* 32bit */
+#define HPTC 0x3404 /* 32bit */
+#define GCS 0x3410 /* 32bit */
+#define BUC 0x3414 /* 32bit */
+#define PCH_DISABLE_GBE (1 << 5)
+#define FD 0x3418 /* 32bit */
+#define DISPBDF 0x3424 /* 16bit */
+#define FD2 0x3428 /* 32bit */
+#define CG 0x341c /* 32bit */
+
+/* Function Disable 1 RCBA 0x3418 */
+#define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26))
+#define PCH_DISABLE_P2P (1 << 1)
+#define PCH_DISABLE_SATA1 (1 << 2)
+#define PCH_DISABLE_SMBUS (1 << 3)
+#define PCH_DISABLE_HD_AUDIO (1 << 4)
+#define PCH_DISABLE_EHCI2 (1 << 13)
+#define PCH_DISABLE_LPC (1 << 14)
+#define PCH_DISABLE_EHCI1 (1 << 15)
+#define PCH_DISABLE_PCIE(x) (1 << (16 + x))
+#define PCH_DISABLE_THERMAL (1 << 24)
+#define PCH_DISABLE_SATA2 (1 << 25)
+#define PCH_DISABLE_XHCI (1 << 27)
+
+/* Function Disable 2 RCBA 0x3428 */
+#define PCH_DISABLE_KT (1 << 4)
+#define PCH_DISABLE_IDER (1 << 3)
+#define PCH_DISABLE_MEI2 (1 << 2)
+#define PCH_DISABLE_MEI1 (1 << 1)
+#define PCH_ENABLE_DBDF (1 << 0)
+
+/* ICH7 GPIOBASE */
+#define GPIO_USE_SEL 0x00
+#define GP_IO_SEL 0x04
+#define GP_LVL 0x0c
+#define GPO_BLINK 0x18
+#define GPI_INV 0x2c
+#define GPIO_USE_SEL2 0x30
+#define GP_IO_SEL2 0x34
+#define GP_LVL2 0x38
+#define GPIO_USE_SEL3 0x40
+#define GP_IO_SEL3 0x44
+#define GP_LVL3 0x48
+#define GP_RST_SEL1 0x60
+#define GP_RST_SEL2 0x64
+#define GP_RST_SEL3 0x68
+
+/* ICH7 PMBASE */
+#define PM1_STS 0x00
+#define WAK_STS (1 << 15)
+#define PCIEXPWAK_STS (1 << 14)
+#define PRBTNOR_STS (1 << 11)
+#define RTC_STS (1 << 10)
+#define PWRBTN_STS (1 << 8)
+#define GBL_STS (1 << 5)
+#define BM_STS (1 << 4)
+#define TMROF_STS (1 << 0)
+#define PM1_EN 0x02
+#define PCIEXPWAK_DIS (1 << 14)
+#define RTC_EN (1 << 10)
+#define PWRBTN_EN (1 << 8)
+#define GBL_EN (1 << 5)
+#define TMROF_EN (1 << 0)
+#define PM1_CNT 0x04
+#define SLP_EN (1 << 13)
+#define SLP_TYP (7 << 10)
+#define SLP_TYP_S0 0
+#define SLP_TYP_S1 1
+#define SLP_TYP_S3 5
+#define SLP_TYP_S4 6
+#define SLP_TYP_S5 7
+#define GBL_RLS (1 << 2)
+#define BM_RLD (1 << 1)
+#define SCI_EN (1 << 0)
+#define PM1_TMR 0x08
+#define PROC_CNT 0x10
+#define LV2 0x14
+#define LV3 0x15
+#define LV4 0x16
+#define PM2_CNT 0x50 // mobile only
+#define GPE0_STS 0x20
+#define PME_B0_STS (1 << 13)
+#define PME_STS (1 << 11)
+#define BATLOW_STS (1 << 10)
+#define PCI_EXP_STS (1 << 9)
+#define RI_STS (1 << 8)
+#define SMB_WAK_STS (1 << 7)
+#define TCOSCI_STS (1 << 6)
+#define SWGPE_STS (1 << 2)
+#define HOT_PLUG_STS (1 << 1)
+#define GPE0_EN 0x28
+#define PME_B0_EN (1 << 13)
+#define PME_EN (1 << 11)
+#define TCOSCI_EN (1 << 6)
+#define SMI_EN 0x30
+#define INTEL_USB2_EN (1 << 18) // Intel-Specific USB2 SMI logic
+#define LEGACY_USB2_EN (1 << 17) // Legacy USB2 SMI logic
+#define PERIODIC_EN (1 << 14) // SMI on PERIODIC_STS in SMI_STS
+#define TCO_EN (1 << 13) // Enable TCO Logic (BIOSWE et al)
+#define MCSMI_EN (1 << 11) // Trap microcontroller range access
+#define BIOS_RLS (1 << 7) // asserts SCI on bit set
+#define SWSMI_TMR_EN (1 << 6) // start software smi timer on bit set
+#define APMC_EN (1 << 5) // Writes to APM_CNT cause SMI#
+#define SLP_SMI_EN (1 << 4) // Write to SLP_EN in PM1_CNT asserts SMI#
+#define LEGACY_USB_EN (1 << 3) // Legacy USB circuit SMI logic
+#define BIOS_EN (1 << 2) // Assert SMI# on setting GBL_RLS bit
+#define EOS (1 << 1) // End of SMI (deassert SMI#)
+#define GBL_SMI_EN (1 << 0) // SMI# generation at all?
+#define SMI_STS 0x34
+#define ALT_GP_SMI_EN 0x38
+#define ALT_GP_SMI_STS 0x3a
+#define GPE_CNTL 0x42
+#define DEVACT_STS 0x44
+#define SS_CNT 0x50
+#define C3_RES 0x54
+#define TCO1_STS 0x64
+#define DMISCI_STS (1 << 9)
+#define TCO2_STS 0x66
+
+/*
+ * SPI Opcode Menu setup for SPIBAR lockdown
+ * should support most common flash chips.
+ */
+
+#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */
+#define SPI_OPTYPE_0 0x01 /* Write, no address */
+
+#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */
+#define SPI_OPTYPE_1 0x03 /* Write, address required */
+
+#define SPI_OPMENU_2 0x03 /* READ: Read Data */
+#define SPI_OPTYPE_2 0x02 /* Read, address required */
+
+#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */
+#define SPI_OPTYPE_3 0x00 /* Read, no address */
+
+#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */
+#define SPI_OPTYPE_4 0x03 /* Write, address required */
+
+#define SPI_OPMENU_5 0x9f /* RDID: Read ID */
+#define SPI_OPTYPE_5 0x00 /* Read, no address */
+
+#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */
+#define SPI_OPTYPE_6 0x03 /* Write, address required */
+
+#define SPI_OPMENU_7 0x0b /* FAST: Fast Read */
+#define SPI_OPTYPE_7 0x02 /* Read, address required */
+
+#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \
+ (SPI_OPMENU_5 << 8) | SPI_OPMENU_4)
+#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \
+ (SPI_OPMENU_1 << 8) | SPI_OPMENU_0)
+
+#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \
+ (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \
+ (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \
+ (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0))
+
+#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */
+
+#define SPIBAR_HSFS 0x3804 /* SPI hardware sequence status */
+#define SPIBAR_HSFS_SCIP (1 << 5) /* SPI Cycle In Progress */
+#define SPIBAR_HSFS_AEL (1 << 2) /* SPI Access Error Log */
+#define SPIBAR_HSFS_FCERR (1 << 1) /* SPI Flash Cycle Error */
+#define SPIBAR_HSFS_FDONE (1 << 0) /* SPI Flash Cycle Done */
+#define SPIBAR_HSFC 0x3806 /* SPI hardware sequence control */
+#define SPIBAR_HSFC_BYTE_COUNT(c) (((c - 1) & 0x3f) << 8)
+#define SPIBAR_HSFC_CYCLE_READ (0 << 1) /* Read cycle */
+#define SPIBAR_HSFC_CYCLE_WRITE (2 << 1) /* Write cycle */
+#define SPIBAR_HSFC_CYCLE_ERASE (3 << 1) /* Erase cycle */
+#define SPIBAR_HSFC_GO (1 << 0) /* GO: start SPI transaction */
+#define SPIBAR_FADDR 0x3808 /* SPI flash address */
+#define SPIBAR_FDATA(n) (0x3810 + (4 * n)) /* SPI flash data */
+
+#endif /* __ACPI__ */
+#endif /* SOUTHBRIDGE_INTEL_BD82X6X_PCH_H */
diff --git a/src/southbridge/intel/ibexpeak/sata.c b/src/southbridge/intel/ibexpeak/sata.c
new file mode 100644
index 0000000000..943d0854a9
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/sata.c
@@ -0,0 +1,301 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2013 Vladimir Serbinenko
+ *
+ * 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 "pch.h"
+
+typedef struct southbridge_intel_bd82x6x_config config_t;
+
+static inline u32 sir_read(struct device *dev, int idx)
+{
+ pci_write_config32(dev, SATA_SIRI, idx);
+ return pci_read_config32(dev, SATA_SIRD);
+}
+
+static inline void sir_write(struct device *dev, int idx, u32 value)
+{
+ pci_write_config32(dev, SATA_SIRI, idx);
+ pci_write_config32(dev, SATA_SIRD, value);
+}
+
+static void sata_init(struct device *dev)
+{
+ u32 reg32;
+ u16 reg16;
+ /* Get the chip configuration */
+ config_t *config = dev->chip_info;
+
+ printk(BIOS_DEBUG, "SATA: Initializing...\n");
+
+ if (config == NULL) {
+ printk(BIOS_ERR, "SATA: ERROR: Device not in devicetree.cb!\n");
+ return;
+ }
+
+ /* SATA configuration */
+
+ /* Enable BARs */
+ pci_write_config16(dev, PCI_COMMAND, 0x0007);
+
+ if (config->ide_legacy_combined) {
+ printk(BIOS_DEBUG, "SATA: Controller in combined mode.\n");
+
+ /* No AHCI: clear AHCI base */
+ pci_write_config32(dev, 0x24, 0x00000000);
+ /* And without AHCI BAR no memory decoding */
+ reg16 = pci_read_config16(dev, PCI_COMMAND);
+ reg16 &= ~PCI_COMMAND_MEMORY;
+ pci_write_config16(dev, PCI_COMMAND, reg16);
+
+ pci_write_config8(dev, 0x09, 0x80);
+
+ /* Set timings */
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+ IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+ IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+ IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+
+ /* Sync DMA */
+ pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0);
+ pci_write_config16(dev, IDE_SDMA_TIM, 0x0200);
+
+ /* Set IDE I/O Configuration */
+ reg32 =
+ SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+ pci_write_config32(dev, IDE_CONFIG, reg32);
+
+ /* Port enable */
+ reg16 = pci_read_config16(dev, 0x92);
+ reg16 &= ~0x3f;
+ reg16 |= config->sata_port_map;
+ pci_write_config16(dev, 0x92, reg16);
+
+ /* SATA Initialization register */
+ pci_write_config32(dev, 0x94,
+ ((config->
+ sata_port_map ^ 0x3f) << 24) | 0x183);
+ } else if (config->sata_ahci) {
+ u32 abar;
+
+ printk(BIOS_DEBUG, "SATA: Controller in AHCI mode.\n");
+
+ /* Set Interrupt Line */
+ /* Interrupt Pin is set by D31IP.PIP */
+ pci_write_config8(dev, INTR_LN, 0x0b);
+
+ /* Set timings */
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+ IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+ IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
+
+ /* Sync DMA */
+ pci_write_config16(dev, IDE_SDMA_CNT, 0);
+ pci_write_config16(dev, IDE_SDMA_TIM, 0);
+
+ /* Set IDE I/O Configuration */
+ reg32 = SIG_MODE_PRI_NORMAL; // | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+ pci_write_config32(dev, IDE_CONFIG, reg32);
+
+ /* for AHCI, Port Enable is managed in memory mapped space */
+ reg16 = pci_read_config16(dev, 0x92);
+ reg16 &= ~0x3f; /* 6 ports SKU + ORM */
+ reg16 |= 0x8100 | config->sata_port_map;
+ pci_write_config16(dev, 0x92, reg16);
+
+ /* SATA Initialization register */
+ pci_write_config32(dev, 0x94,
+ ((config->
+ sata_port_map ^ 0x3f) << 24) | 0x183 |
+ 0x40000000);
+ pci_write_config32(dev, 0x98, 0x00590200);
+
+ /* Initialize AHCI memory-mapped space */
+ abar = pci_read_config32(dev, PCI_BASE_ADDRESS_5);
+ printk(BIOS_DEBUG, "ABAR: %08X\n", abar);
+ /* CAP (HBA Capabilities) : enable power management */
+ reg32 = read32(abar + 0x00);
+ reg32 |= 0x0c006000; // set PSC+SSC+SALP+SSS
+ reg32 &= ~0x00020060; // clear SXS+EMS+PMS
+ /* Set ISS, if available */
+ if (config->sata_interface_speed_support) {
+ reg32 &= ~0x00f00000;
+ reg32 |= (config->sata_interface_speed_support & 0x03)
+ << 20;
+ }
+ write32(abar + 0x00, reg32);
+ /* PI (Ports implemented) */
+ write32(abar + 0x0c, config->sata_port_map);
+ (void)read32(abar + 0x0c); /* Read back 1 */
+ (void)read32(abar + 0x0c); /* Read back 2 */
+ /* CAP2 (HBA Capabilities Extended) */
+ reg32 = read32(abar + 0x24);
+ reg32 &= ~0x00000002;
+ write32(abar + 0x24, reg32);
+ /* VSP (Vendor Specific Register */
+ reg32 = read32(abar + 0xa0);
+ reg32 &= ~0x00000005;
+ write32(abar + 0xa0, reg32);
+ } else {
+ printk(BIOS_DEBUG, "SATA: Controller in plain mode.\n");
+
+ /* No AHCI: clear AHCI base */
+ pci_write_config32(dev, 0x24, 0x00000000);
+
+ /* And without AHCI BAR no memory decoding */
+ reg16 = pci_read_config16(dev, PCI_COMMAND);
+ reg16 &= ~PCI_COMMAND_MEMORY;
+ pci_write_config16(dev, PCI_COMMAND, reg16);
+
+ /* Native mode capable on both primary and secondary (0xa)
+ * or'ed with enabled (0x50) = 0xf
+ */
+ pci_write_config8(dev, 0x09, 0x8f);
+
+ /* Set Interrupt Line */
+ /* Interrupt Pin is set by D31IP.PIP */
+ pci_write_config8(dev, INTR_LN, 0xff);
+
+ /* Set timings */
+ pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
+ IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
+ IDE_PPE0 | IDE_IE0 | IDE_TIME0);
+ pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
+ IDE_SITRE | IDE_ISP_3_CLOCKS |
+ IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0);
+
+ /* Sync DMA */
+ pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0);
+ pci_write_config16(dev, IDE_SDMA_TIM, 0x0201);
+
+ /* Set IDE I/O Configuration */
+ reg32 =
+ SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
+ pci_write_config32(dev, IDE_CONFIG, reg32);
+
+ /* Port enable */
+ reg16 = pci_read_config16(dev, 0x92);
+ reg16 &= ~0x3f;
+ reg16 |= config->sata_port_map;
+ pci_write_config16(dev, 0x92, reg16);
+
+ /* SATA Initialization register */
+ pci_write_config32(dev, 0x94,
+ ((config->
+ sata_port_map ^ 0x3f) << 24) | 0x183);
+ }
+
+ /* Set Gen3 Transmitter settings if needed */
+ if (config->sata_port0_gen3_tx)
+ pch_iobp_update(SATA_IOBP_SP0G3IR, 0,
+ config->sata_port0_gen3_tx);
+
+ if (config->sata_port1_gen3_tx)
+ pch_iobp_update(SATA_IOBP_SP1G3IR, 0,
+ config->sata_port1_gen3_tx);
+
+ /* Additional Programming Requirements */
+ sir_write(dev, 0x04, 0x00000000);
+ sir_write(dev, 0x28, 0x0a000033);
+ reg32 = sir_read(dev, 0x54);
+ reg32 &= 0xff000000;
+ reg32 |= 0x555555;
+ sir_write(dev, 0x54, reg32);
+ sir_write(dev, 0x64, 0xcccccccc);
+ reg32 = sir_read(dev, 0x68);
+ reg32 &= 0xffff0000;
+ reg32 |= 0xcccc;
+ sir_write(dev, 0x68, reg32);
+ reg32 = sir_read(dev, 0x78);
+ reg32 &= 0x0000ffff;
+ reg32 |= 0x88880000;
+ sir_write(dev, 0x78, reg32);
+ sir_write(dev, 0x84, 0x001c7000);
+ sir_write(dev, 0x88, 0x88888888);
+ sir_write(dev, 0xa0, 0x001c7000);
+ // a4
+ sir_write(dev, 0xc4, 0x0c0c0c0c);
+ sir_write(dev, 0xc8, 0x0c0c0c0c);
+ sir_write(dev, 0xd4, 0x10000000);
+
+ pch_iobp_update(0xea004001, 0x3fffffff, 0xc0000000);
+ pch_iobp_update(0xea00408a, 0xfffffcff, 0x00000100);
+}
+
+static void sata_enable(device_t dev)
+{
+ /* Get the chip configuration */
+ config_t *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 = 0x0060;
+
+ 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[] = { 0x3b2e, 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/ibexpeak/smbus.c b/src/southbridge/intel/ibexpeak/smbus.c
new file mode 100644
index 0000000000..ad7c8f9215
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/smbus.c
@@ -0,0 +1,109 @@
+/*
+ * 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/path.h>
+#include <device/smbus.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <arch/io.h>
+#include "pch.h"
+#include "smbus.h"
+
+static void pch_smbus_init(device_t dev)
+{
+ struct resource *res;
+ u16 reg16;
+
+ /* Enable clock gating */
+ reg16 = pci_read_config32(dev, 0x80);
+ reg16 &= ~((1 << 8)|(1 << 10)|(1 << 12)|(1 << 14));
+ pci_write_config32(dev, 0x80, reg16);
+
+ /* Set Receive Slave Address */
+ res = find_resource(dev, PCI_BASE_ADDRESS_4);
+ if (res)
+ outb(SMBUS_SLAVE_ADDR, res->base + SMB_RCV_SLVA);
+}
+
+static int lsmbus_read_byte(device_t dev, u8 address)
+{
+ u16 device;
+ struct resource *res;
+ struct bus *pbus;
+
+ device = dev->path.i2c.device;
+ pbus = get_pbus_smbus(dev);
+ res = find_resource(pbus->dev, 0x20);
+
+ return do_smbus_read_byte(res->base, device, address);
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+ .read_byte = lsmbus_read_byte,
+};
+
+static void smbus_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 smbus_pci_ops = {
+ .set_subsystem = smbus_set_subsystem,
+};
+
+static void smbus_read_resources(device_t dev)
+{
+ struct resource *res = new_resource(dev, PCI_BASE_ADDRESS_4);
+ res->base = SMBUS_IO_BASE;
+ res->size = 32;
+ res->limit = res->base + res->size - 1;
+ res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE |
+ IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+
+ /* Also add MMIO resource */
+ res = pci_get_resource(dev, PCI_BASE_ADDRESS_0);
+}
+
+static struct device_operations smbus_ops = {
+ .read_resources = smbus_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .scan_bus = scan_static_bus,
+ .init = pch_smbus_init,
+ .ops_smbus_bus = &lops_smbus_bus,
+ .ops_pci = &smbus_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = { 0x1c22, 0x1e22, 0x3b30, 0 };
+
+static const struct pci_driver pch_smbus __pci_driver = {
+ .ops = &smbus_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};
diff --git a/src/southbridge/intel/ibexpeak/smbus.h b/src/southbridge/intel/ibexpeak/smbus.h
new file mode 100644
index 0000000000..6858e7d176
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/smbus.h
@@ -0,0 +1,245 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 Yinghai Lu <yinghailu@gmail.com>
+ * Copyright (C) 2009 coresystems GmbH
+ * Copyright (C) 2013 Vladimir Serbinenko
+ *
+ * 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 "pch.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;
+}
+
+#ifdef __PRE_RAM__
+
+static int do_smbus_write_byte(unsigned smbus_base, unsigned device, unsigned address, unsigned data)
+{
+ unsigned char global_status_register;
+
+ 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) & ~0x01, 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(data, 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 */
+ if (global_status_register != (1 << 1))
+ return SMBUS_ERROR;
+
+ return 0;
+}
+
+static int do_smbus_block_write(unsigned smbus_base, unsigned device,
+ unsigned cmd, unsigned bytes, const u8 *buf)
+{
+ u8 status;
+
+ 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) & ~0x01, smbus_base + SMBXMITADD);
+ /* Set the command/address... */
+ outb(cmd & 0xff, smbus_base + SMBHSTCMD);
+ /* Set up for a block data write */
+ outb((inb(smbus_base + SMBHSTCTL) & 0xe3) | (0x5 << 2),
+ (smbus_base + SMBHSTCTL));
+ /* Clear any lingering errors, so the transaction will run */
+ outb(inb(smbus_base + SMBHSTSTAT), smbus_base + SMBHSTSTAT);
+
+ /* set number of bytes to transfer */
+ outb(bytes, smbus_base + SMBHSTDAT0);
+
+ outb(*buf++, smbus_base + SMBBLKDAT);
+ bytes--;
+
+ /* Start the command */
+ outb((inb(smbus_base + SMBHSTCTL) | 0x40),
+ smbus_base + SMBHSTCTL);
+
+ while(!(inb(smbus_base + SMBHSTSTAT) & 1));
+ /* Poll for transaction completion */
+ do {
+ status = inb(smbus_base + SMBHSTSTAT);
+ if (status & ((1 << 4) | /* FAILED */
+ (1 << 3) | /* BUS ERR */
+ (1 << 2))) /* DEV ERR */
+ return SMBUS_ERROR;
+
+ if (status & 0x80) { /* Byte done */
+ outb(*buf++, smbus_base + SMBBLKDAT);
+ outb(status, smbus_base + SMBHSTSTAT);
+ }
+ } while(status & 0x01);
+
+ return 0;
+}
+
+static int do_smbus_block_read(unsigned smbus_base, unsigned device,
+ unsigned cmd, unsigned bytes, u8 *buf)
+{
+ u8 status;
+ int bytes_read = 0;
+ 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(cmd & 0xff, smbus_base + SMBHSTCMD);
+ /* Set up for a block data read */
+ outb((inb(smbus_base + SMBHSTCTL) & 0xe3) | (0x5 << 2),
+ (smbus_base + SMBHSTCTL));
+ /* Clear any lingering errors, so the transaction will run */
+ outb(inb(smbus_base + SMBHSTSTAT), smbus_base + SMBHSTSTAT);
+
+ /* Start the command */
+ outb((inb(smbus_base + SMBHSTCTL) | 0x40),
+ smbus_base + SMBHSTCTL);
+
+ while(!(inb(smbus_base + SMBHSTSTAT) & 1));
+ /* Poll for transaction completion */
+ do {
+ status = inb(smbus_base + SMBHSTSTAT);
+ if (status & ((1 << 4) | /* FAILED */
+ (1 << 3) | /* BUS ERR */
+ (1 << 2))) /* DEV ERR */
+ return SMBUS_ERROR;
+
+ if (status & 0x80) { /* Byte done */
+ *buf = inb(smbus_base + SMBBLKDAT);
+ buf++;
+ bytes_read++;
+ outb(status, smbus_base + SMBHSTSTAT);
+ if (--bytes == 1) {
+ /* indicate that next byte is the last one */
+ outb(inb(smbus_base + SMBHSTCTL) | 0x20,
+ smbus_base + SMBHSTCTL);
+ }
+ }
+ } while(status & 0x01);
+
+ return bytes_read;
+}
+#endif
diff --git a/src/southbridge/intel/ibexpeak/smi.c b/src/southbridge/intel/ibexpeak/smi.c
new file mode 100644
index 0000000000..2b85e2b842
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/smi.c
@@ -0,0 +1,421 @@
+/*
+ * 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 <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 "pch.h"
+
+#if CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE || CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE
+#include "northbridge/intel/sandybridge/sandybridge.h"
+#endif
+
+#if CONFIG_NORTHBRIDGE_INTEL_NEHALEM
+#include "northbridge/intel/nehalem/nehalem.h"
+#endif
+
+extern unsigned char _binary_smm_start;
+extern unsigned char _binary_smm_end;
+
+/* 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 << 26)) printk(BIOS_DEBUG, "SPI ");
+ if (smi_sts & (1 << 25)) printk(BIOS_DEBUG, "EL_SMI ");
+ 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 u32 reset_gpe0_status(void)
+{
+ u32 reg32;
+
+ reg32 = inl(pmbase + GPE0_STS);
+ /* set status bits are cleared by writing 1 to them */
+ outl(reg32, pmbase + GPE0_STS);
+
+ return reg32;
+}
+
+static void dump_gpe0_status(u32 gpe0_sts)
+{
+ int i;
+ printk(BIOS_DEBUG, "GPE0_STS: ");
+ 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, "AC97 ");
+ 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, "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);
+ }
+ 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;
+ u32 gpe0_en;
+
+ printk(BIOS_DEBUG, "Initializing SMM handler...");
+
+ pmbase = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x1f, 0)),
+ PMBASE) & 0xff80;
+
+ printk(BIOS_SPEW, " ... pmbase = 0x%04x\n", pmbase);
+
+ smi_en = inl(pmbase + SMI_EN);
+ if (smi_en & APMC_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());
+
+ /* Disable GPE0 PME_B0 */
+ gpe0_en = inl(pmbase + GPE0_EN);
+ gpe0_en &= ~PME_B0_EN;
+ outl(gpe0_en, pmbase + GPE0_EN);
+
+ pm1_en = 0;
+ pm1_en |= PWRBTN_EN;
+ pm1_en |= GBL_EN;
+ outw(pm1_en, pmbase + PM1_EN);
+
+ /* Enable SMI generation:
+ * - on TCO events
+ * - on APMC writes (io 0xb2)
+ * - on writes to SLP_EN (sleep states)
+ * - on writes to GBL_RLS (bios commands)
+ * No SMIs:
+ * - on microcontroller writes (io 0x62/0x66)
+ */
+
+ smi_en = 0; /* reset SMI enables */
+
+#if 0
+ smi_en |= LEGACY_USB2_EN | LEGACY_USB_EN;
+#endif
+ smi_en |= TCO_EN;
+ smi_en |= APMC_EN;
+#if DEBUG_PERIODIC_SMIS
+ /* Set DEBUG_PERIODIC_SMIS in pch.h to debug using
+ * periodic SMIs.
+ */
+ smi_en |= PERIODIC_EN;
+#endif
+ smi_en |= SLP_SMI_EN;
+#if 0
+ smi_en |= BIOS_EN;
+#endif
+
+ /* The following need to be on for SMIs to happen */
+ smi_en |= EOS | GBL_SMI_EN;
+
+ outl(smi_en, pmbase + SMI_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 void smm_install(void)
+{
+ device_t dev = dev_find_slot(0, PCI_DEVFN(0, 0));
+ u32 smm_base = 0xa0000;
+ struct ied_header ied = {
+ .signature = "INTEL RSVD",
+ .size = IED_SIZE,
+ .reserved = {0},
+ };
+
+ /* 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;
+
+ /* enable the SMM memory window */
+ pci_write_config8(dev, SMRAM, D_OPEN | G_SMRAME | C_BASE_SEG);
+
+#if CONFIG_SMM_TSEG
+ smm_base = pci_read_config32(dev, TSEG) & ~1;
+#endif
+
+ /* copy the real SMM handler */
+ printk(BIOS_DEBUG, "Installing SMM handler to 0x%08x\n", smm_base);
+ memcpy((void *)smm_base, &_binary_smm_start,
+ (size_t)(&_binary_smm_end - &_binary_smm_start));
+
+ /* copy the IED header into place */
+ if (CONFIG_SMM_TSEG_SIZE > IED_SIZE) {
+ /* Top of TSEG region */
+ smm_base += CONFIG_SMM_TSEG_SIZE - IED_SIZE;
+ printk(BIOS_DEBUG, "Installing IED header to 0x%08x\n",
+ smm_base);
+ memcpy((void *)smm_base, &ied, sizeof(ied));
+ }
+ wbinvd();
+
+ /* close the SMM memory window and enable normal SMM */
+ pci_write_config8(dev, SMRAM, G_SMRAME | C_BASE_SEG);
+}
+
+void smm_init(void)
+{
+#if CONFIG_ELOG
+ /* Log events from chipset before clearing */
+ pch_log_state();
+#endif
+
+ /* 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)
+{
+ /*
+ * Issue SMI to set the gnvs pointer in SMM.
+ * tcg and smi1 are unused.
+ *
+ * EAX = APM_CNT_GNVS_UPDATE
+ * EBX = gnvs pointer
+ * EDX = APM_CNT
+ */
+ asm volatile (
+ "outb %%al, %%dx\n\t"
+ : /* ignore result */
+ : "a" (APM_CNT_GNVS_UPDATE),
+ "b" ((u32)gnvs),
+ "d" (APM_CNT)
+ );
+}
diff --git a/src/southbridge/intel/ibexpeak/smihandler.c b/src/southbridge/intel/ibexpeak/smihandler.c
new file mode 100644
index 0000000000..5ee8ef9538
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/smihandler.c
@@ -0,0 +1,848 @@
+/*
+ * 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 <types.h>
+#include <arch/hlt.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <cpu/x86/cache.h>
+#include <device/pci_def.h>
+#include <cpu/x86/smm.h>
+#include <elog.h>
+#include <pc80/mc146818rtc.h>
+#include "pch.h"
+
+#include "nvs.h"
+
+/* We are using PCIe accesses for now
+ * 1. the chipset can do it
+ * 2. we don't need to worry about how we leave 0xcf8/0xcfc behind
+ */
+#include "northbridge/intel/nehalem/nehalem.h"
+#include <arch/pci_mmio_cfg.h>
+
+/* While we read PMBASE dynamically in case it changed, let's
+ * initialize it with a sane value
+ */
+static u16 pmbase = DEFAULT_PMBASE;
+u16 smm_get_pmbase(void)
+{
+ return pmbase;
+}
+
+static u8 smm_initialized = 0;
+
+/* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located
+ * by coreboot.
+ */
+static global_nvs_t *gnvs = (global_nvs_t *)0x0;
+global_nvs_t *smm_get_gnvs(void)
+{
+ return gnvs;
+}
+
+#if CONFIG_SMM_TSEG
+static u32 tseg_base = 0;
+u32 smi_get_tseg_base(void)
+{
+ if (!tseg_base)
+ tseg_base = pci_read_config32(PCI_DEV(0, 0, 0), TSEG) & ~1;
+ return tseg_base;
+}
+void tseg_relocate(void **ptr)
+{
+ /* Adjust pointer with TSEG base */
+ if (*ptr && *ptr < (void*)smi_get_tseg_base())
+ *ptr = (void *)(((u8*)*ptr) + smi_get_tseg_base());
+}
+#endif
+
+/**
+ * @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_SPEW, "PM1_STS: ");
+ if (pm1_sts & (1 << 15)) printk(BIOS_SPEW, "WAK ");
+ if (pm1_sts & (1 << 14)) printk(BIOS_SPEW, "PCIEXPWAK ");
+ if (pm1_sts & (1 << 11)) printk(BIOS_SPEW, "PRBTNOR ");
+ if (pm1_sts & (1 << 10)) printk(BIOS_SPEW, "RTC ");
+ if (pm1_sts & (1 << 8)) printk(BIOS_SPEW, "PWRBTN ");
+ if (pm1_sts & (1 << 5)) printk(BIOS_SPEW, "GBL ");
+ if (pm1_sts & (1 << 4)) printk(BIOS_SPEW, "BM ");
+ if (pm1_sts & (1 << 0)) printk(BIOS_SPEW, "TMROF ");
+ printk(BIOS_SPEW, "\n");
+ int reg16 = inw(pmbase + PM1_EN);
+ printk(BIOS_SPEW, "PM1_EN: %x\n", reg16);
+}
+
+/**
+ * @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 << 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 u32 reset_gpe0_status(void)
+{
+ u32 reg32;
+
+ reg32 = inl(pmbase + GPE0_STS);
+ /* set status bits are cleared by writing 1 to them */
+ outl(reg32, pmbase + GPE0_STS);
+
+ return reg32;
+}
+
+static void dump_gpe0_status(u32 gpe0_sts)
+{
+ int i;
+ printk(BIOS_DEBUG, "GPE0_STS: ");
+ 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, "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, "AC97 ");
+ 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, "HOTPLUG ");
+ 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 busmaster_disable_on_bus(int bus)
+{
+ int slot, func;
+ unsigned int val;
+ unsigned char hdr;
+
+ for (slot = 0; slot < 0x20; slot++) {
+ for (func = 0; func < 8; func++) {
+ u32 reg32;
+ device_t dev = PCI_DEV(bus, slot, func);
+
+ val = pci_read_config32(dev, PCI_VENDOR_ID);
+
+ if (val == 0xffffffff || val == 0x00000000 ||
+ val == 0x0000ffff || val == 0xffff0000)
+ continue;
+
+ /* Disable Bus Mastering for this one device */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 &= ~PCI_COMMAND_MASTER;
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+
+ /* If this is a bridge, then follow it. */
+ hdr = pci_read_config8(dev, PCI_HEADER_TYPE);
+ hdr &= 0x7f;
+ if (hdr == PCI_HEADER_TYPE_BRIDGE ||
+ hdr == PCI_HEADER_TYPE_CARDBUS) {
+ unsigned int buses;
+ buses = pci_read_config32(dev, PCI_PRIMARY_BUS);
+ busmaster_disable_on_bus((buses >> 8) & 0xff);
+ }
+ }
+ }
+}
+
+/*
+ * Drive GPIO 60 low to gate memory reset in S3.
+ *
+ * Intel reference designs all use GPIO 60 but it is
+ * not a requirement and boards could use a different pin.
+ */
+static void southbridge_gate_memory_reset(void)
+{
+ u32 reg32;
+ u16 gpiobase;
+
+ gpiobase = pci_read_config16(PCI_DEV(0, 0x1f, 0), GPIOBASE) & 0xfffc;
+ if (!gpiobase)
+ return;
+
+ /* Make sure it is set as GPIO */
+ reg32 = inl(gpiobase + GPIO_USE_SEL2);
+ if (!(reg32 & (1 << 28))) {
+ reg32 |= (1 << 28);
+ outl(reg32, gpiobase + GPIO_USE_SEL2);
+ }
+
+ /* Make sure it is set as output */
+ reg32 = inl(gpiobase + GP_IO_SEL2);
+ if (reg32 & (1 << 28)) {
+ reg32 &= ~(1 << 28);
+ outl(reg32, gpiobase + GP_IO_SEL2);
+ }
+
+ /* Drive the output low */
+ reg32 = inl(gpiobase + GP_LVL2);
+ reg32 &= ~(1 << 28);
+ outl(reg32, gpiobase + GP_LVL2);
+}
+
+static void xhci_sleep(u8 slp_typ)
+{
+ u32 reg32, xhci_bar;
+ u16 reg16;
+
+ switch (slp_typ) {
+ case SLP_TYP_S3:
+ case SLP_TYP_S4:
+ reg16 = pci_read_config16(PCH_XHCI_DEV, 0x74);
+ reg16 &= ~0x03UL;
+ pci_write_config32(PCH_XHCI_DEV, 0x74, reg16);
+
+ reg32 = pci_read_config32(PCH_XHCI_DEV, PCI_COMMAND);
+ reg32 |= (PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
+ pci_write_config32(PCH_XHCI_DEV, PCI_COMMAND, reg32);
+
+ xhci_bar = pci_read_config32(PCH_XHCI_DEV,
+ PCI_BASE_ADDRESS_0) & ~0xFUL;
+
+ if ((xhci_bar + 0x4C0) & 1)
+ pch_iobp_update(0xEC000082, ~0UL, (3 << 2));
+ if ((xhci_bar + 0x4D0) & 1)
+ pch_iobp_update(0xEC000182, ~0UL, (3 << 2));
+ if ((xhci_bar + 0x4E0) & 1)
+ pch_iobp_update(0xEC000282, ~0UL, (3 << 2));
+ if ((xhci_bar + 0x4F0) & 1)
+ pch_iobp_update(0xEC000382, ~0UL, (3 << 2));
+
+ reg32 = pci_read_config32(PCH_XHCI_DEV, PCI_COMMAND);
+ reg32 &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
+ pci_write_config32(PCH_XHCI_DEV, PCI_COMMAND, reg32);
+
+ reg16 = pci_read_config16(PCH_XHCI_DEV, 0x74);
+ reg16 |= 0x03;
+ pci_write_config16(PCH_XHCI_DEV, 0x74, reg16);
+ break;
+
+ case SLP_TYP_S5:
+ reg16 = pci_read_config16(PCH_XHCI_DEV, 0x74);
+ reg16 |= ((1 << 8) | 0x03);
+ pci_write_config16(PCH_XHCI_DEV, 0x74, reg16);
+ break;
+ }
+}
+
+
+static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *state_save)
+{
+ u8 reg8;
+ u32 reg32;
+ u8 slp_typ;
+ u8 s5pwr = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+
+ // save and recover RTC port values
+ u8 tmp70, tmp72;
+ tmp70 = inb(0x70);
+ tmp72 = inb(0x72);
+ get_option(&s5pwr, "power_on_after_fail");
+ outb(tmp70, 0x70);
+ outb(tmp72, 0x72);
+
+ void (*mainboard_sleep)(u8 slp_typ) = mainboard_smi_sleep;
+
+ /* First, disable further SMIs */
+ reg8 = inb(pmbase + SMI_EN);
+ reg8 &= ~SLP_SMI_EN;
+ outb(reg8, pmbase + SMI_EN);
+
+ /* Figure out SLP_TYP */
+ reg32 = inl(pmbase + PM1_CNT);
+ printk(BIOS_SPEW, "SMI#: SLP = 0x%08x\n", reg32);
+ slp_typ = (reg32 >> 10) & 7;
+
+ if (smm_get_gnvs()->xhci)
+ xhci_sleep(slp_typ);
+
+ /* Do any mainboard sleep handling */
+ tseg_relocate((void **)&mainboard_sleep);
+ if (mainboard_sleep)
+ mainboard_sleep(slp_typ-2);
+
+#if CONFIG_ELOG_GSMI
+ /* Log S3, S4, and S5 entry */
+ if (slp_typ >= 5)
+ elog_add_event_byte(ELOG_TYPE_ACPI_ENTER, slp_typ-2);
+#endif
+
+ /* Next, do the deed.
+ */
+
+ switch (slp_typ) {
+ case 0: printk(BIOS_DEBUG, "SMI#: Entering S0 (On)\n"); break;
+ case 1: printk(BIOS_DEBUG, "SMI#: Entering S1 (Assert STPCLK#)\n"); break;
+ case 5:
+ printk(BIOS_DEBUG, "SMI#: Entering S3 (Suspend-To-RAM)\n");
+
+ /* Gate memory reset */
+ southbridge_gate_memory_reset();
+
+ /* Invalidate the cache before going to S3 */
+ wbinvd();
+ break;
+ case 6: printk(BIOS_DEBUG, "SMI#: Entering S4 (Suspend-To-Disk)\n"); break;
+ case 7:
+ printk(BIOS_DEBUG, "SMI#: Entering S5 (Soft Power off)\n");
+
+ outl(0, pmbase + GPE0_EN);
+
+ /* Always set the flag in case CMOS was changed on runtime. For
+ * "KEEP", switch to "OFF" - KEEP is software emulated
+ */
+ reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_3);
+ if (s5pwr == MAINBOARD_POWER_ON) {
+ reg8 &= ~1;
+ } else {
+ reg8 |= 1;
+ }
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_3, reg8);
+
+ /* also iterates over all bridges on bus 0 */
+ busmaster_disable_on_bus(0);
+ break;
+ default: printk(BIOS_DEBUG, "SMI#: ERROR: SLP_TYP reserved\n"); break;
+ }
+
+ /* Write back to the SLP register to cause the originally intended
+ * event again. We need to set BIT13 (SLP_EN) though to make the
+ * sleep happen.
+ */
+ outl(reg32 | SLP_EN, pmbase + PM1_CNT);
+
+ /* Make sure to stop executing code here for S3/S4/S5 */
+ if (slp_typ > 1)
+ hlt();
+
+ /* In most sleep states, the code flow of this function ends at
+ * the line above. However, if we entered sleep state S1 and wake
+ * up again, we will continue to execute code in this function.
+ */
+ reg32 = inl(pmbase + PM1_CNT);
+ if (reg32 & SCI_EN) {
+ /* The OS is not an ACPI OS, so we set the state to S0 */
+ reg32 &= ~(SLP_EN | SLP_TYP);
+ outl(reg32, pmbase + PM1_CNT);
+ }
+}
+
+/*
+ * Look for Synchronous IO SMI and use save state from that
+ * core in case we are not running on the same core that
+ * initiated the IO transaction.
+ */
+static em64t101_smm_state_save_area_t *smi_apmc_find_state_save(u8 cmd)
+{
+ em64t101_smm_state_save_area_t *state;
+ u32 base = smi_get_tseg_base() + SMM_EM64T101_SAVE_STATE_OFFSET;
+ int node;
+
+ /* Check all nodes looking for the one that issued the IO */
+ for (node = 0; node < CONFIG_MAX_CPUS; node++) {
+ state = (em64t101_smm_state_save_area_t *)
+ (base - (node * 0x400));
+
+ /* Check for Synchronous IO (bit0==1) */
+ if (!(state->io_misc_info & (1 << 0)))
+ continue;
+
+ /* Make sure it was a write (bit4==0) */
+ if (state->io_misc_info & (1 << 4))
+ continue;
+
+ /* Check for APMC IO port */
+ if (((state->io_misc_info >> 16) & 0xff) != APM_CNT)
+ continue;
+
+ /* Check AX against the requested command */
+ if ((state->rax & 0xff) != cmd)
+ continue;
+
+ return state;
+ }
+
+ return NULL;
+}
+
+#if CONFIG_ELOG_GSMI
+static void southbridge_smi_gsmi(void)
+{
+ u32 *ret, *param;
+ u8 sub_command;
+ em64t101_smm_state_save_area_t *io_smi =
+ smi_apmc_find_state_save(ELOG_GSMI_APM_CNT);
+
+ if (!io_smi)
+ return;
+
+ /* Command and return value in EAX */
+ ret = (u32*)&io_smi->rax;
+ sub_command = (u8)(*ret >> 8);
+
+ /* Parameter buffer in EBX */
+ param = (u32*)&io_smi->rbx;
+
+ /* drivers/elog/gsmi.c */
+ *ret = gsmi_exec(sub_command, param);
+}
+#endif
+
+static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state_save)
+{
+ u32 pmctrl;
+ u8 reg8;
+ int (*mainboard_apmc)(u8 apmc) = mainboard_smi_apmc;
+ em64t101_smm_state_save_area_t *state;
+
+ /* Emulate B2 register as the FADT / Linux expects it */
+
+ reg8 = inb(APM_CNT);
+ 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;
+ }
+ state = smi_apmc_find_state_save(reg8);
+ if (state) {
+ /* EBX in the state save contains the GNVS pointer */
+ gnvs = (global_nvs_t *)((u32)state->rbx);
+ smm_initialized = 1;
+ printk(BIOS_DEBUG, "SMI#: Setting GNVS to %p\n", gnvs);
+ }
+ break;
+#if CONFIG_ELOG_GSMI
+ case ELOG_GSMI_APM_CNT:
+ southbridge_smi_gsmi();
+ break;
+#endif
+ }
+
+ tseg_relocate((void **)&mainboard_apmc);
+ if (mainboard_apmc)
+ mainboard_apmc(reg8);
+}
+
+static void southbridge_smi_pm1(unsigned int node, smm_state_save_area_t *state_save)
+{
+ u16 pm1_sts;
+
+ 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);
+#if CONFIG_ELOG_GSMI
+ elog_add_event(ELOG_TYPE_POWER_BUTTON);
+#endif
+ outl(reg32, pmbase + PM1_CNT);
+ }
+}
+
+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)
+{
+ void (*mainboard_gpi)(u32 gpi_sts) = mainboard_smi_gpi;
+ u16 reg16;
+ reg16 = inw(pmbase + ALT_GP_SMI_STS);
+ outw(reg16, pmbase + ALT_GP_SMI_STS);
+
+ reg16 &= inw(pmbase + ALT_GP_SMI_EN);
+
+ tseg_relocate((void **)&mainboard_gpi);
+ if (mainboard_gpi) {
+ mainboard_gpi(reg16);
+ } else {
+ if (reg16)
+ printk(BIOS_DEBUG, "GPI (mask %04x)\n",reg16);
+ }
+
+ outw(reg16, pmbase + ALT_GP_SMI_STS);
+}
+
+static void southbridge_smi_mc(unsigned int node, smm_state_save_area_t *state_save)
+{
+ u32 reg32;
+
+ reg32 = inl(pmbase + SMI_EN);
+
+ /* Are periodic SMIs enabled? */
+ if ((reg32 & MCSMI_EN) == 0)
+ return;
+
+ printk(BIOS_DEBUG, "Microcontroller SMI.\n");
+}
+
+
+
+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_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_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 if (!tco_sts) {
+ dump_tco_status(tco_sts);
+ }
+}
+
+static void southbridge_smi_periodic(unsigned int node, smm_state_save_area_t *state_save)
+{
+ u32 reg32;
+
+ reg32 = inl(pmbase + SMI_EN);
+
+ /* Are periodic SMIs enabled? */
+ if ((reg32 & PERIODIC_EN) == 0)
+ return;
+
+ printk(BIOS_DEBUG, "Periodic SMI.\n");
+}
+
+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) << 2));
+ }
+
+
+ /* 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, " TRAPĀ = %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);
+
+static smi_handler_t southbridge_smi[32] = {
+ NULL, // [0] reserved
+ NULL, // [1] reserved
+ NULL, // [2] BIOS_STS
+ NULL, // [3] LEGACY_USB_STS
+ southbridge_smi_sleep, // [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
+ southbridge_smi_mc, // [11] MCSMI_STS
+ NULL, // [12] DEVMON_STS
+ southbridge_smi_tco, // [13] TCO_STS
+ southbridge_smi_periodic, // [14] PERIODIC_STS
+ 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] EL_SMI_STS
+ NULL, // [26] SPI_STS
+ NULL, // [27] reserved
+ NULL, // [28] reserved
+ NULL, // [29] reserved
+ NULL, // [30] reserved
+ NULL // [31] reserved
+};
+
+/**
+ * @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_read_config16(PCI_DEV(0, 0x1f, 0), 0x40) & 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();
+
+ /* 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]) {
+#if CONFIG_SMM_TSEG
+ smi_handler_t handler = (smi_handler_t)
+ ((u8*)southbridge_smi[i] +
+ smi_get_tseg_base());
+ if (handler)
+ handler(node, state_save);
+#else
+ southbridge_smi[i](node, state_save);
+#endif
+ } 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/ibexpeak/spi.c b/src/southbridge/intel/ibexpeak/spi.c
new file mode 100644
index 0000000000..e263b7f5f5
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/spi.c
@@ -0,0 +1,746 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* This file is derived from the flashrom project. */
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <delay.h>
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/pci_ids.h>
+
+#include <spi-generic.h>
+
+#define min(a, b) ((a)<(b)?(a):(b))
+
+#ifdef __SMM__
+#include <arch/pci_mmio_cfg.h>
+#define pci_read_config_byte(dev, reg, targ)\
+ *(targ) = pci_read_config8(dev, reg)
+#define pci_read_config_word(dev, reg, targ)\
+ *(targ) = pci_read_config16(dev, reg)
+#define pci_read_config_dword(dev, reg, targ)\
+ *(targ) = pci_read_config32(dev, reg)
+#define pci_write_config_byte(dev, reg, val)\
+ pci_write_config8(dev, reg, val)
+#define pci_write_config_word(dev, reg, val)\
+ pci_write_config16(dev, reg, val)
+#define pci_write_config_dword(dev, reg, val)\
+ pci_write_config32(dev, reg, val)
+#else /* !__SMM__ */
+#include <device/device.h>
+#include <device/pci.h>
+#define pci_read_config_byte(dev, reg, targ)\
+ *(targ) = pci_read_config8(dev, reg)
+#define pci_read_config_word(dev, reg, targ)\
+ *(targ) = pci_read_config16(dev, reg)
+#define pci_read_config_dword(dev, reg, targ)\
+ *(targ) = pci_read_config32(dev, reg)
+#define pci_write_config_byte(dev, reg, val)\
+ pci_write_config8(dev, reg, val)
+#define pci_write_config_word(dev, reg, val)\
+ pci_write_config16(dev, reg, val)
+#define pci_write_config_dword(dev, reg, val)\
+ pci_write_config32(dev, reg, val)
+#endif /* !__SMM__ */
+
+typedef struct spi_slave ich_spi_slave;
+
+static int ichspi_lock = 0;
+
+typedef struct ich7_spi_regs {
+ uint16_t spis;
+ uint16_t spic;
+ uint32_t spia;
+ uint64_t spid[8];
+ uint64_t _pad;
+ uint32_t bbar;
+ uint16_t preop;
+ uint16_t optype;
+ uint8_t opmenu[8];
+} __attribute__((packed)) ich7_spi_regs;
+
+typedef struct ich9_spi_regs {
+ uint32_t bfpr;
+ uint16_t hsfs;
+ uint16_t hsfc;
+ uint32_t faddr;
+ uint32_t _reserved0;
+ uint32_t fdata[16];
+ uint32_t frap;
+ uint32_t freg[5];
+ uint32_t _reserved1[3];
+ uint32_t pr[5];
+ uint32_t _reserved2[2];
+ uint8_t ssfs;
+ uint8_t ssfc[3];
+ uint16_t preop;
+ uint16_t optype;
+ uint8_t opmenu[8];
+ uint32_t bbar;
+ uint8_t _reserved3[12];
+ uint32_t fdoc;
+ uint32_t fdod;
+ uint8_t _reserved4[8];
+ uint32_t afc;
+ uint32_t lvscc;
+ uint32_t uvscc;
+ uint8_t _reserved5[4];
+ uint32_t fpb;
+ uint8_t _reserved6[28];
+ uint32_t srdl;
+ uint32_t srdc;
+ uint32_t srd;
+} __attribute__((packed)) ich9_spi_regs;
+
+typedef struct ich_spi_controller {
+ int locked;
+
+ uint8_t *opmenu;
+ int menubytes;
+ uint16_t *preop;
+ uint16_t *optype;
+ uint32_t *addr;
+ uint8_t *data;
+ unsigned databytes;
+ uint8_t *status;
+ uint16_t *control;
+ uint32_t *bbar;
+} ich_spi_controller;
+
+static ich_spi_controller cntlr;
+
+enum {
+ SPIS_SCIP = 0x0001,
+ SPIS_GRANT = 0x0002,
+ SPIS_CDS = 0x0004,
+ SPIS_FCERR = 0x0008,
+ SSFS_AEL = 0x0010,
+ SPIS_LOCK = 0x8000,
+ SPIS_RESERVED_MASK = 0x7ff0,
+ SSFS_RESERVED_MASK = 0x7fe2
+};
+
+enum {
+ SPIC_SCGO = 0x000002,
+ SPIC_ACS = 0x000004,
+ SPIC_SPOP = 0x000008,
+ SPIC_DBC = 0x003f00,
+ SPIC_DS = 0x004000,
+ SPIC_SME = 0x008000,
+ SSFC_SCF_MASK = 0x070000,
+ SSFC_RESERVED = 0xf80000
+};
+
+enum {
+ HSFS_FDONE = 0x0001,
+ HSFS_FCERR = 0x0002,
+ HSFS_AEL = 0x0004,
+ HSFS_BERASE_MASK = 0x0018,
+ HSFS_BERASE_SHIFT = 3,
+ HSFS_SCIP = 0x0020,
+ HSFS_FDOPSS = 0x2000,
+ HSFS_FDV = 0x4000,
+ HSFS_FLOCKDN = 0x8000
+};
+
+enum {
+ HSFC_FGO = 0x0001,
+ HSFC_FCYCLE_MASK = 0x0006,
+ HSFC_FCYCLE_SHIFT = 1,
+ HSFC_FDBC_MASK = 0x3f00,
+ HSFC_FDBC_SHIFT = 8,
+ HSFC_FSMIE = 0x8000
+};
+
+enum {
+ SPI_OPCODE_TYPE_READ_NO_ADDRESS = 0,
+ SPI_OPCODE_TYPE_WRITE_NO_ADDRESS = 1,
+ SPI_OPCODE_TYPE_READ_WITH_ADDRESS = 2,
+ SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS = 3
+};
+
+#if CONFIG_DEBUG_SPI_FLASH
+
+static u8 readb_(const void *addr)
+{
+ u8 v = read8((unsigned long)addr);
+ printk(BIOS_DEBUG, "read %2.2x from %4.4x\n",
+ v, ((unsigned) addr & 0xffff) - 0xf020);
+ return v;
+}
+
+static u16 readw_(const void *addr)
+{
+ u16 v = read16((unsigned long)addr);
+ printk(BIOS_DEBUG, "read %4.4x from %4.4x\n",
+ v, ((unsigned) addr & 0xffff) - 0xf020);
+ return v;
+}
+
+static u32 readl_(const void *addr)
+{
+ u32 v = read32((unsigned long)addr);
+ printk(BIOS_DEBUG, "read %8.8x from %4.4x\n",
+ v, ((unsigned) addr & 0xffff) - 0xf020);
+ return v;
+}
+
+static void writeb_(u8 b, const void *addr)
+{
+ write8((unsigned long)addr, b);
+ printk(BIOS_DEBUG, "wrote %2.2x to %4.4x\n",
+ b, ((unsigned) addr & 0xffff) - 0xf020);
+}
+
+static void writew_(u16 b, const void *addr)
+{
+ write16((unsigned long)addr, b);
+ printk(BIOS_DEBUG, "wrote %4.4x to %4.4x\n",
+ b, ((unsigned) addr & 0xffff) - 0xf020);
+}
+
+static void writel_(u32 b, const void *addr)
+{
+ write32((unsigned long)addr, b);
+ printk(BIOS_DEBUG, "wrote %8.8x to %4.4x\n",
+ b, ((unsigned) addr & 0xffff) - 0xf020);
+}
+
+#else /* CONFIG_DEBUG_SPI_FLASH ^^^ enabled vvv NOT enabled */
+
+#define readb_(a) read8((uint32_t)a)
+#define readw_(a) read16((uint32_t)a)
+#define readl_(a) read32((uint32_t)a)
+#define writeb_(val, addr) write8((uint32_t)addr, val)
+#define writew_(val, addr) write16((uint32_t)addr, val)
+#define writel_(val, addr) write32((uint32_t)addr, val)
+
+#endif /* CONFIG_DEBUG_SPI_FLASH ^^^ NOT enabled */
+
+static void write_reg(const void *value, void *dest, uint32_t size)
+{
+ const uint8_t *bvalue = value;
+ uint8_t *bdest = dest;
+
+ while (size >= 4) {
+ writel_(*(const uint32_t *)bvalue, bdest);
+ bdest += 4; bvalue += 4; size -= 4;
+ }
+ while (size) {
+ writeb_(*bvalue, bdest);
+ bdest++; bvalue++; size--;
+ }
+}
+
+static void read_reg(const void *src, void *value, uint32_t size)
+{
+ const uint8_t *bsrc = src;
+ uint8_t *bvalue = value;
+
+ while (size >= 4) {
+ *(uint32_t *)bvalue = readl_(bsrc);
+ bsrc += 4; bvalue += 4; size -= 4;
+ }
+ while (size) {
+ *bvalue = readb_(bsrc);
+ bsrc++; bvalue++; size--;
+ }
+}
+
+static void ich_set_bbar(uint32_t minaddr)
+{
+ const uint32_t bbar_mask = 0x00ffff00;
+ uint32_t ichspi_bbar;
+
+ minaddr &= bbar_mask;
+ ichspi_bbar = readl_(cntlr.bbar) & ~bbar_mask;
+ ichspi_bbar |= minaddr;
+ writel_(ichspi_bbar, cntlr.bbar);
+}
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ printk(BIOS_DEBUG, "spi_cs_is_valid used but not implemented\n");
+ return 0;
+}
+
+struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
+ unsigned int max_hz, unsigned int mode)
+{
+ ich_spi_slave *slave = malloc(sizeof(*slave));
+
+ if (!slave) {
+ printk(BIOS_DEBUG, "ICH SPI: Bad allocation\n");
+ return NULL;
+ }
+
+ memset(slave, 0, sizeof(*slave));
+
+ slave->bus = bus;
+ slave->cs = cs;
+ return slave;
+}
+
+/*
+ * Check if this device ID matches one of supported Intel PCH devices.
+ *
+ * Return the ICH version if there is a match, or zero otherwise.
+ */
+static inline int get_ich_version(uint16_t device_id)
+{
+ if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC)
+ return 7;
+
+ if ((device_id >= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN &&
+ device_id <= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MAX) ||
+ (device_id >= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MIN &&
+ device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX)
+ || device_id == 0x3b07)
+ return 9;
+
+ return 0;
+}
+
+void spi_init(void)
+{
+ int ich_version = 0;
+
+ uint8_t *rcrb; /* Root Complex Register Block */
+ uint32_t rcba; /* Root Complex Base Address */
+ uint8_t bios_cntl;
+ device_t dev;
+ uint32_t ids;
+ uint16_t vendor_id, device_id;
+
+#ifdef __SMM__
+ dev = PCI_DEV(0, 31, 0);
+#else
+ dev = dev_find_slot(0, PCI_DEVFN(31, 0));
+#endif
+ pci_read_config_dword(dev, 0, &ids);
+ vendor_id = ids;
+ device_id = (ids >> 16);
+
+ if (vendor_id != PCI_VENDOR_ID_INTEL) {
+ printk(BIOS_DEBUG, "ICH SPI: No ICH found.\n");
+ return;
+ }
+
+ ich_version = get_ich_version(device_id);
+
+ if (!ich_version) {
+ printk(BIOS_DEBUG, "ICH SPI: No known ICH found.\n");
+ return;
+ }
+
+ pci_read_config_dword(dev, 0xf0, &rcba);
+ /* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable. */
+ rcrb = (uint8_t *)(rcba & 0xffffc000);
+ switch (ich_version) {
+ case 7:
+ {
+ const uint16_t ich7_spibar_offset = 0x3020;
+ ich7_spi_regs *ich7_spi =
+ (ich7_spi_regs *)(rcrb + ich7_spibar_offset);
+
+ ichspi_lock = readw_(&ich7_spi->spis) & SPIS_LOCK;
+ cntlr.opmenu = ich7_spi->opmenu;
+ cntlr.menubytes = sizeof(ich7_spi->opmenu);
+ cntlr.optype = &ich7_spi->optype;
+ cntlr.addr = &ich7_spi->spia;
+ cntlr.data = (uint8_t *)ich7_spi->spid;
+ cntlr.databytes = sizeof(ich7_spi->spid);
+ cntlr.status = (uint8_t *)&ich7_spi->spis;
+ cntlr.control = &ich7_spi->spic;
+ cntlr.bbar = &ich7_spi->bbar;
+ cntlr.preop = &ich7_spi->preop;
+ break;
+ }
+ case 9:
+ {
+ const uint16_t ich9_spibar_offset = 0x3800;
+ ich9_spi_regs *ich9_spi =
+ (ich9_spi_regs *)(rcrb + ich9_spibar_offset);
+ ichspi_lock = readw_(&ich9_spi->hsfs) & HSFS_FLOCKDN;
+ cntlr.opmenu = ich9_spi->opmenu;
+ cntlr.menubytes = sizeof(ich9_spi->opmenu);
+ cntlr.optype = &ich9_spi->optype;
+ cntlr.addr = &ich9_spi->faddr;
+ cntlr.data = (uint8_t *)ich9_spi->fdata;
+ cntlr.databytes = sizeof(ich9_spi->fdata);
+ cntlr.status = &ich9_spi->ssfs;
+ cntlr.control = (uint16_t *)ich9_spi->ssfc;
+ cntlr.bbar = &ich9_spi->bbar;
+ cntlr.preop = &ich9_spi->preop;
+ break;
+ }
+ default:
+ printk(BIOS_DEBUG, "ICH SPI: Unrecognized ICH version %d.\n", ich_version);
+ }
+
+ ich_set_bbar(0);
+
+ /* Disable the BIOS write protect so write commands are allowed. */
+ pci_read_config_byte(dev, 0xdc, &bios_cntl);
+ switch (ich_version) {
+ case 9:
+ /* Deassert SMM BIOS Write Protect Disable. */
+ bios_cntl &= ~(1 << 5);
+ break;
+
+ default:
+ break;
+ }
+ pci_write_config_byte(dev, 0xdc, bios_cntl | 0x1);
+}
+
+int spi_claim_bus(struct spi_slave *slave)
+{
+ /* Handled by ICH automatically. */
+ return 0;
+}
+
+void spi_release_bus(struct spi_slave *slave)
+{
+ /* Handled by ICH automatically. */
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ /* Handled by ICH automatically. */
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ /* Handled by ICH automatically. */
+}
+
+typedef struct spi_transaction {
+ const uint8_t *out;
+ uint32_t bytesout;
+ uint8_t *in;
+ uint32_t bytesin;
+ uint8_t type;
+ uint8_t opcode;
+ uint32_t offset;
+} spi_transaction;
+
+static inline void spi_use_out(spi_transaction *trans, unsigned bytes)
+{
+ trans->out += bytes;
+ trans->bytesout -= bytes;
+}
+
+static inline void spi_use_in(spi_transaction *trans, unsigned bytes)
+{
+ trans->in += bytes;
+ trans->bytesin -= bytes;
+}
+
+static void spi_setup_type(spi_transaction *trans)
+{
+ trans->type = 0xFF;
+
+ /* Try to guess spi type from read/write sizes. */
+ if (trans->bytesin == 0) {
+ if (trans->bytesout > 4)
+ /*
+ * If bytesin = 0 and bytesout > 4, we presume this is
+ * a write data operation, which is accompanied by an
+ * address.
+ */
+ trans->type = SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS;
+ else
+ trans->type = SPI_OPCODE_TYPE_WRITE_NO_ADDRESS;
+ return;
+ }
+
+ if (trans->bytesout == 1) { /* and bytesin is > 0 */
+ trans->type = SPI_OPCODE_TYPE_READ_NO_ADDRESS;
+ return;
+ }
+
+ if (trans->bytesout == 4) { /* and bytesin is > 0 */
+ trans->type = SPI_OPCODE_TYPE_READ_WITH_ADDRESS;
+ }
+
+ /* Fast read command is called with 5 bytes instead of 4 */
+ if (trans->out[0] == SPI_OPCODE_FAST_READ && trans->bytesout == 5) {
+ trans->type = SPI_OPCODE_TYPE_READ_WITH_ADDRESS;
+ --trans->bytesout;
+ }
+}
+
+static int spi_setup_opcode(spi_transaction *trans)
+{
+ uint16_t optypes;
+ uint8_t opmenu[cntlr.menubytes];
+
+ trans->opcode = trans->out[0];
+ spi_use_out(trans, 1);
+ if (!ichspi_lock) {
+ /* The lock is off, so just use index 0. */
+ writeb_(trans->opcode, cntlr.opmenu);
+ optypes = readw_(cntlr.optype);
+ optypes = (optypes & 0xfffc) | (trans->type & 0x3);
+ writew_(optypes, cntlr.optype);
+ return 0;
+ } else {
+ /* The lock is on. See if what we need is on the menu. */
+ uint8_t optype;
+ uint16_t opcode_index;
+
+ /* Write Enable is handled as atomic prefix */
+ if (trans->opcode == SPI_OPCODE_WREN)
+ return 0;
+
+ read_reg(cntlr.opmenu, opmenu, sizeof(opmenu));
+ for (opcode_index = 0; opcode_index < cntlr.menubytes;
+ opcode_index++) {
+ if (opmenu[opcode_index] == trans->opcode)
+ break;
+ }
+
+ if (opcode_index == cntlr.menubytes) {
+ printk(BIOS_DEBUG, "ICH SPI: Opcode %x not found\n",
+ trans->opcode);
+ return -1;
+ }
+
+ optypes = readw_(cntlr.optype);
+ optype = (optypes >> (opcode_index * 2)) & 0x3;
+ if (trans->type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS &&
+ optype == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS &&
+ trans->bytesout >= 3) {
+ /* We guessed wrong earlier. Fix it up. */
+ trans->type = optype;
+ }
+ if (optype != trans->type) {
+ printk(BIOS_DEBUG, "ICH SPI: Transaction doesn't fit type %d\n",
+ optype);
+ return -1;
+ }
+ return opcode_index;
+ }
+}
+
+static int spi_setup_offset(spi_transaction *trans)
+{
+ /* Separate the SPI address and data. */
+ switch (trans->type) {
+ case SPI_OPCODE_TYPE_READ_NO_ADDRESS:
+ case SPI_OPCODE_TYPE_WRITE_NO_ADDRESS:
+ return 0;
+ case SPI_OPCODE_TYPE_READ_WITH_ADDRESS:
+ case SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS:
+ trans->offset = ((uint32_t)trans->out[0] << 16) |
+ ((uint32_t)trans->out[1] << 8) |
+ ((uint32_t)trans->out[2] << 0);
+ spi_use_out(trans, 3);
+ return 1;
+ default:
+ printk(BIOS_DEBUG, "Unrecognized SPI transaction type %#x\n", trans->type);
+ return -1;
+ }
+}
+
+/*
+ * Wait for up to 60ms til status register bit(s) turn 1 (in case wait_til_set
+ * below is True) or 0. In case the wait was for the bit(s) to set - write
+ * those bits back, which would cause resetting them.
+ *
+ * Return the last read status value on success or -1 on failure.
+ */
+static int ich_status_poll(u16 bitmask, int wait_til_set)
+{
+ int timeout = 6000; /* This will result in 60 ms */
+ u16 status = 0;
+
+ while (timeout--) {
+ status = readw_(cntlr.status);
+ if (wait_til_set ^ ((status & bitmask) == 0)) {
+ if (wait_til_set)
+ writew_((status & bitmask), cntlr.status);
+ return status;
+ }
+ udelay(10);
+ }
+
+ printk(BIOS_DEBUG, "ICH SPI: SCIP timeout, read %x, expected %x\n",
+ status, bitmask);
+ return -1;
+}
+
+int spi_xfer(struct spi_slave *slave, const void *dout,
+ unsigned int bitsout, void *din, unsigned int bitsin)
+{
+ uint16_t control;
+ int16_t opcode_index;
+ int with_address;
+ int status;
+
+ spi_transaction trans = {
+ dout, bitsout / 8,
+ din, bitsin / 8,
+ 0xff, 0xff, 0
+ };
+
+ /* There has to always at least be an opcode. */
+ if (!bitsout || !dout) {
+ printk(BIOS_DEBUG, "ICH SPI: No opcode for transfer\n");
+ return -1;
+ }
+ /* Make sure if we read something we have a place to put it. */
+ if (bitsin != 0 && !din) {
+ printk(BIOS_DEBUG, "ICH SPI: Read but no target buffer\n");
+ return -1;
+ }
+ /* Right now we don't support writing partial bytes. */
+ if (bitsout % 8 || bitsin % 8) {
+ printk(BIOS_DEBUG, "ICH SPI: Accessing partial bytes not supported\n");
+ return -1;
+ }
+
+ if (ich_status_poll(SPIS_SCIP, 0) == -1)
+ return -1;
+
+ writew_(SPIS_CDS | SPIS_FCERR, cntlr.status);
+
+ spi_setup_type(&trans);
+ if ((opcode_index = spi_setup_opcode(&trans)) < 0)
+ return -1;
+ if ((with_address = spi_setup_offset(&trans)) < 0)
+ return -1;
+
+ if (trans.opcode == SPI_OPCODE_WREN) {
+ /*
+ * Treat Write Enable as Atomic Pre-Op if possible
+ * in order to prevent the Management Engine from
+ * issuing a transaction between WREN and DATA.
+ */
+ if (!ichspi_lock)
+ writew_(trans.opcode, cntlr.preop);
+ return 0;
+ }
+
+ /* Preset control fields */
+ control = SPIC_SCGO | ((opcode_index & 0x07) << 4);
+
+ /* Issue atomic preop cycle if needed */
+ if (readw_(cntlr.preop))
+ control |= SPIC_ACS;
+
+ if (!trans.bytesout && !trans.bytesin) {
+ /* SPI addresses are 24 bit only */
+ if (with_address)
+ writel_(trans.offset & 0x00FFFFFF, cntlr.addr);
+
+ /*
+ * This is a 'no data' command (like Write Enable), its
+ * bitesout size was 1, decremented to zero while executing
+ * spi_setup_opcode() above. Tell the chip to send the
+ * command.
+ */
+ writew_(control, cntlr.control);
+
+ /* wait for the result */
+ status = ich_status_poll(SPIS_CDS | SPIS_FCERR, 1);
+ if (status == -1)
+ return -1;
+
+ if (status & SPIS_FCERR) {
+ printk(BIOS_DEBUG, "ICH SPI: Command transaction error\n");
+ return -1;
+ }
+
+ return 0;
+ }
+
+ /*
+ * Check if this is a write command attempting to transfer more bytes
+ * than the controller can handle. Iterations for writes are not
+ * supported here because each SPI write command needs to be preceded
+ * and followed by other SPI commands, and this sequence is controlled
+ * by the SPI chip driver.
+ */
+ if (trans.bytesout > cntlr.databytes) {
+ printk(BIOS_DEBUG, "ICH SPI: Too much to write. Does your SPI chip driver use"
+ " CONTROLLER_PAGE_LIMIT?\n");
+ return -1;
+ }
+
+ /*
+ * Read or write up to databytes bytes at a time until everything has
+ * been sent.
+ */
+ while (trans.bytesout || trans.bytesin) {
+ uint32_t data_length;
+
+ /* SPI addresses are 24 bit only */
+ writel_(trans.offset & 0x00FFFFFF, cntlr.addr);
+
+ if (trans.bytesout)
+ data_length = min(trans.bytesout, cntlr.databytes);
+ else
+ data_length = min(trans.bytesin, cntlr.databytes);
+
+ /* Program data into FDATA0 to N */
+ if (trans.bytesout) {
+ write_reg(trans.out, cntlr.data, data_length);
+ spi_use_out(&trans, data_length);
+ if (with_address)
+ trans.offset += data_length;
+ }
+
+ /* Add proper control fields' values */
+ control &= ~((cntlr.databytes - 1) << 8);
+ control |= SPIC_DS;
+ control |= (data_length - 1) << 8;
+
+ /* write it */
+ writew_(control, cntlr.control);
+
+ /* Wait for Cycle Done Status or Flash Cycle Error. */
+ status = ich_status_poll(SPIS_CDS | SPIS_FCERR, 1);
+ if (status == -1)
+ return -1;
+
+ if (status & SPIS_FCERR) {
+ printk(BIOS_DEBUG, "ICH SPI: Data transaction error\n");
+ return -1;
+ }
+
+ if (trans.bytesin) {
+ read_reg(cntlr.data, trans.in, data_length);
+ spi_use_in(&trans, data_length);
+ if (with_address)
+ trans.offset += data_length;
+ }
+ }
+
+ /* Clear atomic preop now that xfer is done */
+ writew_(0, cntlr.preop);
+
+ return 0;
+}
diff --git a/src/southbridge/intel/ibexpeak/thermal.c b/src/southbridge/intel/ibexpeak/thermal.c
new file mode 100644
index 0000000000..11b65554a8
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/thermal.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Vladimir Serbinenko
+ *
+ * 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 "pch.h"
+#include <usbdebug.h>
+#include <arch/io.h>
+
+static void thermal_init(struct device *dev)
+{
+ struct resource *res;
+
+ printk(BIOS_DEBUG, "Thermal init start.\n");
+
+ res = find_resource(dev, 0x10);
+ if (!res)
+ return;
+
+ write32(res->base + 4, 0x3a2b);
+ write8(res->base + 0xe, 0x40);
+ write32(res->base + 0x12, 0x1a40);
+ write16(res->base + 0x16, 0x7746);
+ write16(res->base + 0x1a, 0x10f0);
+ write16(res->base + 0x56, 0xffff);
+ write16(res->base + 0x64, 0xffff);
+ write16(res->base + 0x66, 0xffff);
+ write16(res->base + 0x68, 0xfa);
+
+ write8(res->base + 1, 0xb8);
+
+ printk(BIOS_DEBUG, "Thermal init done.\n");
+}
+
+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 thermal_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 = &pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = { 0x3b32, 0 };
+
+static const struct pci_driver pch_thermal __pci_driver = {
+ .ops = &thermal_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};
diff --git a/src/southbridge/intel/ibexpeak/usb_ehci.c b/src/southbridge/intel/ibexpeak/usb_ehci.c
new file mode 100644
index 0000000000..d941438999
--- /dev/null
+++ b/src/southbridge/intel/ibexpeak/usb_ehci.c
@@ -0,0 +1,98 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2013 Vladimir Serbinenko
+ *
+ * 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 "pch.h"
+#include <usbdebug.h>
+#include <arch/io.h>
+
+static void usb_ehci_init(struct device *dev)
+{
+ u32 reg32;
+
+ /* Disable Wake on Disconnect in RMH */
+ reg32 = RCBA32(0x35b0);
+ reg32 |= 0x22;
+ RCBA32(0x35b0) = reg32;
+
+ printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
+
+ pci_write_config32(dev, 0x84, 0x130c8911);
+ pci_write_config32(dev, 0x88, 0xa0);
+ pci_write_config32(dev, 0xf4, 0x80808588);
+ pci_write_config32(dev, 0xf4, 0x00808588);
+ pci_write_config32(dev, 0xf4, 0x00808588);
+ pci_write_config32(dev, 0xfc, 0x301b1728);
+
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_MASTER;
+ //reg32 |= PCI_COMMAND_SERR;
+ 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 struct pci_operations lops_pci = {
+ .set_subsystem = &usb_ehci_set_subsystem,
+};
+
+static struct device_operations usb_ehci_ops = {
+ .read_resources = pci_ehci_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = usb_ehci_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const unsigned short pci_device_ids[] = { 0x3b34, 0x3b3c, 0 };
+
+static const struct pci_driver pch_usb_ehci __pci_driver = {
+ .ops = &usb_ehci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};