x86: Move Intel Management Engine code to a common place

Some of the Intel ME code is common to several Intel CPUs. Move it into a
common location. Add a header file for report_platform.c also.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[squashed in http://patchwork.ozlabs.org/patch/598372/]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

10 files changed, 418 insertions, 369 deletions

diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile
index 06de964..1918ca3 100644
--- a/arch/x86/cpu/intel_common/Makefile
+++ b/arch/x86/cpu/intel_common/Makefile
@@ -7,6 +7,8 @@
 obj-$(CONFIG_HAVE_MRC) += car.o
 obj-y += cpu.o
 obj-y += lpc.o
+obj-$(CONFIG_HAVE_MRC) += me_status.o
 ifndef CONFIG_TARGET_EFI
 obj-y += microcode.o
 endif
+obj-$(CONFIG_HAVE_MRC) += report_platform.o
diff --git a/arch/x86/cpu/ivybridge/me_status.c b/arch/x86/cpu/intel_common/me_status.c
index 15cf69f..130d219 100644
--- a/arch/x86/cpu/ivybridge/me_status.c
+++ b/arch/x86/cpu/intel_common/me_status.c
@@ -128,7 +128,14 @@ static const char *const me_progress_policy_values[] = {
 	[0x10] = "Required VSCC values for flash parts do not match",
 };
 
-void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
+
+/**
+ * _intel_me_status() - Check Intel Management Engine status
+ *
+ * struct hfs:	Firmware status
+ * struct gmes:	Management engine status
+ */
+static void _intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
 {
 	/* Check Current States */
 	debug("ME: FW Partition Table      : %s\n",
@@ -193,3 +200,14 @@ void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
 	}
 	debug("\n");
 }
+
+void intel_me_status(struct udevice *me_dev)
+{
+	struct me_hfs hfs;
+	struct me_gmes gmes;
+
+	pci_read_dword_ptr(me_dev, &hfs, PCI_ME_HFS);
+	pci_read_dword_ptr(me_dev, &gmes, PCI_ME_GMES);
+
+	_intel_me_status(&hfs, &gmes);
+}
diff --git a/arch/x86/cpu/ivybridge/report_platform.c b/arch/x86/cpu/intel_common/report_platform.c
index c78322a..05e1cf9 100644
--- a/arch/x86/cpu/ivybridge/report_platform.c
+++ b/arch/x86/cpu/intel_common/report_platform.c
@@ -9,8 +9,8 @@
 #include <common.h>
 #include <asm/cpu.h>
 #include <asm/pci.h>
+#include <asm/report_platform.h>
 #include <asm/arch/pch.h>
-#include <asm/arch/sandybridge.h>
 
 static void report_cpu_info(void)
 {
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile
index 78006f1..9cdb07b 100644
--- a/arch/x86/cpu/ivybridge/Makefile
+++ b/arch/x86/cpu/ivybridge/Makefile
@@ -11,10 +11,8 @@ obj-y += cpu.o
 obj-y += early_me.o
 obj-y += gma.o
 obj-y += lpc.o
-obj-y += me_status.o
 obj-y += model_206ax.o
 obj-y += northbridge.o
-obj-y += report_platform.o
 obj-y += sata.o
 obj-y += sdram.o
 endif
diff --git a/arch/x86/cpu/ivybridge/early_me.c b/arch/x86/cpu/ivybridge/early_me.c
index b1df77d..cda96ab 100644
--- a/arch/x86/cpu/ivybridge/early_me.c
+++ b/arch/x86/cpu/ivybridge/early_me.c
@@ -27,35 +27,6 @@ static const char *const me_ack_values[] = {
 	[ME_HFS_ACK_CONTINUE]	= "Continue to boot"
 };
 
-static inline void pci_read_dword_ptr(struct udevice *me_dev, void *ptr,
-				      int offset)
-{
-	u32 dword;
-
-	dm_pci_read_config32(me_dev, offset, &dword);
-	memcpy(ptr, &dword, sizeof(dword));
-}
-
-static inline void pci_write_dword_ptr(struct udevice *me_dev, void *ptr,
-				       int offset)
-{
-	u32 dword = 0;
-
-	memcpy(&dword, ptr, sizeof(dword));
-	dm_pci_write_config32(me_dev, offset, dword);
-}
-
-void intel_early_me_status(struct udevice *me_dev)
-{
-	struct me_hfs hfs;
-	struct me_gmes gmes;
-
-	pci_read_dword_ptr(me_dev, &hfs, PCI_ME_HFS);
-	pci_read_dword_ptr(me_dev, &gmes, PCI_ME_GMES);
-
-	intel_me_status(&hfs, &gmes);
-}
-
 int intel_early_me_init(struct udevice *me_dev)
 {
 	int count;
@@ -159,7 +130,7 @@ int intel_early_me_init_done(struct udevice *dev, struct udevice *me_dev,
 	debug("ME: Requested BIOS Action: %s\n", me_ack_values[hfs.ack_data]);
 
 	/* Check status after acknowledgement */
-	intel_early_me_status(me_dev);
+	intel_me_status(me_dev);
 
 	switch (hfs.ack_data) {
 	case ME_HFS_ACK_CONTINUE:
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index f7dd61f..e0296a2 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -27,6 +27,7 @@
 #include <asm/mrccache.h>
 #include <asm/mtrr.h>
 #include <asm/pci.h>
+#include <asm/report_platform.h>
 #include <asm/arch/me.h>
 #include <asm/arch/pei_data.h>
 #include <asm/arch/pch.h>
@@ -384,7 +385,7 @@ int sdram_initialise(struct udevice *dev, struct udevice *me_dev,
 	if (BASE_REV_SNB == done)
 		intel_early_me_init_done(dev, me_dev, ME_INIT_STATUS_SUCCESS);
 	else
-		intel_early_me_status(me_dev);
+		intel_me_status(me_dev);
 
 	post_system_agent_init(pei_data);
 	report_memory_config();
diff --git a/arch/x86/include/asm/arch-ivybridge/me.h b/arch/x86/include/asm/arch-ivybridge/me.h
index eb1b73f..bc1bc8e 100644
--- a/arch/x86/include/asm/arch-ivybridge/me.h
+++ b/arch/x86/include/asm/arch-ivybridge/me.h
@@ -9,225 +9,7 @@
 #ifndef _ASM_INTEL_ME_H
 #define _ASM_INTEL_ME_H
 
-#include <linux/compiler.h>
-#include <linux/types.h>
-
-#define ME_RETRY		100000	/* 1 second */
-#define ME_DELAY		10	/* 10 us */
-
-/*
- * Management Engine PCI registers
- */
-
-#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;
-} __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;
-} __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;
-} __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;
-} __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;
-} __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;
-} __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;
-} __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_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;
-} __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;
-} __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;
-} __packed;
-
-enum me_bios_path {
-	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,
-};
+#include <asm/me_common.h>
 
 struct __packed mbp_fw_version_name {
 	u32 major_version:16;
@@ -244,46 +26,6 @@ struct __packed mbp_icc_profile {
 	u32 register_lock_mask[3];
 };
 
-struct __packed mefwcaps_sku {
-	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;
-};
-
-struct __packed tdt_state_flag {
-	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;
-};
-
-struct __packed tdt_state_info {
-	u8 state;
-	u8 last_theft_trigger;
-	struct tdt_state_flag flags;
-};
-
 struct __packed platform_type_rule_data {
 	u32 platform_target_usage_type:4;
 	u32 platform_target_market_type:2;
@@ -299,16 +41,6 @@ struct __packed mbp_fw_caps {
 	u8 available;
 };
 
-struct __packed mbp_rom_bist_data {
-	u16 device_id;
-	u16 fuse_test_flags;
-	u32 umchid[4];
-};
-
-struct __packed mbp_platform_key {
-	u32 key[8];
-};
-
 struct __packed mbp_plat_type {
 	struct platform_type_rule_data rule_data;
 	u8 available;
@@ -325,67 +57,4 @@ struct __packed me_bios_payload {
 	u32 mfsintegrity;
 };
 
-struct __packed mbp_header {
-	u32 mbp_size:8;
-	u32 num_entries:8;
-	u32 rsvd:16;
-};
-
-struct __packed mbp_item_header {
-	u32 app_id:8;
-	u32 item_id:8;
-	u32 length:8;
-	u32 rsvd:8;
-};
-
-struct __packed me_fwcaps {
-	u32 id;
-	u8 length;
-	struct mefwcaps_sku caps_sku;
-	u8 reserved[3];
-};
-
-/**
- * intel_me_status() - Check Intel Management Engine status
- *
- * struct hfs:	Firmware status
- * struct gmes:	Management engine status
- */
-void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes);
-
-/**
- * intel_early_me_status() - Check early Management Engine Status
- *
- * @me_dev:	Management engine PCI device
- */
-void intel_early_me_status(struct udevice *me_dev);
-
-/**
- * intel_early_me_init() - Early Intel Management Engine init
- *
- * @me_dev:	Management engine PCI device
- * @return 0 if OK, -ve on error
- */
-int intel_early_me_init(struct udevice *me_dev);
-
-/**
- * intel_early_me_uma_size() - Get UMA size from the Intel Management Engine
- *
- * @me_dev:	Management engine PCI device
- * @return UMA size if OK, -EINVAL on error
- */
-int intel_early_me_uma_size(struct udevice *me_dev);
-
-/**
- * intel_early_me_init_done() - Complete Intel Management Engine init
- *
- * @dev:	Northbridge device
- * @me_dev:	Management engine PCI device
- * @status:	Status result (ME_INIT_...)
- * @return 0 to continue to boot, -EINVAL on unknown result data, -ETIMEDOUT
- * if ME did not respond
- */
-int intel_early_me_init_done(struct udevice *dev, struct udevice *me_dev,
-			     uint status);
-
 #endif
diff --git a/arch/x86/include/asm/arch-ivybridge/sandybridge.h b/arch/x86/include/asm/arch-ivybridge/sandybridge.h
index 59b05cc..c395d53 100644
--- a/arch/x86/include/asm/arch-ivybridge/sandybridge.h
+++ b/arch/x86/include/asm/arch-ivybridge/sandybridge.h
@@ -113,8 +113,6 @@
  */
 int bridge_silicon_revision(struct udevice *dev);
 
-void report_platform_info(struct udevice *dev);
-
 void sandybridge_early_init(int chipset_type);
 
 #endif
diff --git a/arch/x86/include/asm/me_common.h b/arch/x86/include/asm/me_common.h
new file mode 100644
index 0000000..2e2251c
--- /dev/null
+++ b/arch/x86/include/asm/me_common.h
@@ -0,0 +1,373 @@
+/*
+ * From Coreboot src/southbridge/intel/bd82x6x/me.h
+ *
+ * Coreboot copies lots of code around. Here we are trying to keep the common
+ * code in a separate file to reduce code duplication and hopefully make it
+ * easier to add new platform.
+ *
+ * Copyright (C) 2016 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#ifndef __ASM_ME_COMMON_H
+#define __ASM_ME_COMMON_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <pci.h>
+
+#define MCHBAR_PEI_VERSION	0x5034
+
+#define ME_RETRY		100000	/* 1 second */
+#define ME_DELAY		10	/* 10 us */
+
+/*
+ * Management Engine PCI registers
+ */
+
+#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;
+} __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;
+} __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:7;
+	u32 rapid_start:1;	/* Broadwell only */
+	u32 status:4;
+	u32 init_done:4;
+} __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;
+} __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;
+} __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;
+} __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;
+} __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_GET_FW_VERSION	0x02
+#define MKHI_END_OF_POST	0x0c
+#define MKHI_FEATURE_OVERRIDE	0x14
+
+/* Ivybridge only: */
+#define MKHI_GLOBAL_RESET	0x0b
+#define MKHI_FWCAPS_GET_RULE	0x02
+#define MKHI_MDES_ENABLE	0x09
+
+/* Broadwell only: */
+#define MKHI_GLOBAL_RESET	0x0b
+#define MKHI_FWCAPS_GET_RULE	0x02
+#define MKHI_GROUP_ID_HMRFPO	0x05
+#define MKHI_HMRFPO_LOCK	0x02
+#define MKHI_HMRFPO_LOCK_NOACK	0x05
+#define MKHI_MDES_ENABLE	0x09
+#define MKHI_END_OF_POST_NOACK	0x1a
+
+struct mkhi_header {
+	u32 group_id:8;
+	u32 command:7;
+	u32 is_response:1;
+	u32 reserved:8;
+	u32 result:8;
+} __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;
+} __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;
+} __packed;
+
+enum me_bios_path {
+	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,
+};
+
+struct __packed mefwcaps_sku {
+	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;
+};
+
+struct __packed tdt_state_flag {
+	u16 lock_state:1;
+	u16 authenticate_module:1;
+	u16 s3authentication:1;
+	u16 flash_wear_out:1;
+	u16 flash_variable_security:1;
+	u16 wwan3gpresent:1;	/* ivybridge only */
+	u16 wwan3goob:1;	/* ivybridge only */
+	u16 reserved:9;
+};
+
+struct __packed tdt_state_info {
+	u8 state;
+	u8 last_theft_trigger;
+	struct tdt_state_flag flags;
+};
+
+struct __packed mbp_rom_bist_data {
+	u16 device_id;
+	u16 fuse_test_flags;
+	u32 umchid[4];
+};
+
+struct __packed mbp_platform_key {
+	u32 key[8];
+};
+
+struct __packed mbp_header {
+	u32 mbp_size:8;
+	u32 num_entries:8;
+	u32 rsvd:16;
+};
+
+struct __packed mbp_item_header {
+	u32 app_id:8;
+	u32 item_id:8;
+	u32 length:8;
+	u32 rsvd:8;
+};
+
+struct __packed me_fwcaps {
+	u32 id;
+	u8 length;
+	struct mefwcaps_sku caps_sku;
+	u8 reserved[3];
+};
+
+/**
+ * intel_me_status() - Check Intel Management Engine status
+ *
+ * @me_dev:	Management engine PCI device
+ */
+void intel_me_status(struct udevice *me_dev);
+
+/**
+ * intel_early_me_init() - Early Intel Management Engine init
+ *
+ * @me_dev:	Management engine PCI device
+ * @return 0 if OK, -ve on error
+ */
+int intel_early_me_init(struct udevice *me_dev);
+
+/**
+ * intel_early_me_uma_size() - Get UMA size from the Intel Management Engine
+ *
+ * @me_dev:	Management engine PCI device
+ * @return UMA size if OK, -EINVAL on error
+ */
+int intel_early_me_uma_size(struct udevice *me_dev);
+
+/**
+ * intel_early_me_init_done() - Complete Intel Management Engine init
+ *
+ * @dev:	Northbridge device
+ * @me_dev:	Management engine PCI device
+ * @status:	Status result (ME_INIT_...)
+ * @return 0 to continue to boot, -EINVAL on unknown result data, -ETIMEDOUT
+ * if ME did not respond
+ */
+int intel_early_me_init_done(struct udevice *dev, struct udevice *me_dev,
+			     uint status);
+
+int intel_me_hsio_version(struct udevice *dev, uint16_t *version,
+			  uint16_t *checksum);
+
+static inline void pci_read_dword_ptr(struct udevice *me_dev, void *ptr,
+				      int offset)
+{
+	u32 dword;
+
+	dm_pci_read_config32(me_dev, offset, &dword);
+	memcpy(ptr, &dword, sizeof(dword));
+}
+
+static inline void pci_write_dword_ptr(struct udevice *me_dev, void *ptr,
+				       int offset)
+{
+	u32 dword = 0;
+
+	memcpy(&dword, ptr, sizeof(dword));
+	dm_pci_write_config32(me_dev, offset, dword);
+}
+#endif
diff --git a/arch/x86/include/asm/report_platform.h b/arch/x86/include/asm/report_platform.h
new file mode 100644
index 0000000..4607dd3
--- /dev/null
+++ b/arch/x86/include/asm/report_platform.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2016 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#ifndef __ARCH_REPORT_PLATFORM_H
+#define __ARCH_REPORT_PLATFORM_H
+
+/**
+ * report_platform_info() - Report platform information
+ *
+ * This reports information about the CPU and chipset.
+ *
+ * @dev:	Northbridge device
+ */
+void report_platform_info(struct udevice *dev);
+
+#endif