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 ---
arch/x86/cpu/intel_common/Makefile | 2 + .../cpu/{ivybridge => intel_common}/me_status.c | 20 +- .../{ivybridge => intel_common}/report_platform.c | 2 +- arch/x86/cpu/ivybridge/Makefile | 2 - arch/x86/cpu/ivybridge/early_me.c | 31 +- arch/x86/cpu/ivybridge/sdram.c | 3 +- arch/x86/include/asm/arch-ivybridge/me.h | 333 +----------------- arch/x86/include/asm/arch-ivybridge/sandybridge.h | 2 - arch/x86/include/asm/me_common.h | 372 +++++++++++++++++++++ arch/x86/include/asm/report_platform.h | 19 ++ 10 files changed, 417 insertions(+), 369 deletions(-) rename arch/x86/cpu/{ivybridge => intel_common}/me_status.c (93%) rename arch/x86/cpu/{ivybridge => intel_common}/report_platform.c (98%) create mode 100644 arch/x86/include/asm/me_common.h create mode 100644 arch/x86/include/asm/report_platform.h
diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile index e9a2b29..50023fe 100644 --- a/arch/x86/cpu/intel_common/Makefile +++ b/arch/x86/cpu/intel_common/Makefile @@ -7,6 +7,8 @@ obj-$(CONFIG_HAVE_MRC) += car.o obj-y += cpu_common.o obj-y += lpc_common.o +obj-$(CONFIG_HAVE_MRC) += me_status.o ifndef CONFIG_TARGET_EFI obj-y += microcode_intel.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 similarity index 93% rename from arch/x86/cpu/ivybridge/me_status.c rename to 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 similarity index 98% rename from arch/x86/cpu/ivybridge/report_platform.c rename to 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 6f45071..af76826 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..bc39609 --- /dev/null +++ b/arch/x86/include/asm/me_common.h @@ -0,0 +1,372 @@ +/* + * 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> + +#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..8ad8673 --- /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