| /* |
| * Copyright (C) 2013, Intel Corporation |
| * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> |
| * |
| * SPDX-License-Identifier: Intel |
| */ |
| |
| #ifndef __FSP_HOB_H__ |
| #define __FSP_HOB_H__ |
| |
| /* Type of HOB Header */ |
| #define HOB_TYPE_MEM_ALLOC 0x0002 |
| #define HOB_TYPE_RES_DESC 0x0003 |
| #define HOB_TYPE_GUID_EXT 0x0004 |
| #define HOB_TYPE_UNUSED 0xFFFE |
| #define HOB_TYPE_EOH 0xFFFF |
| |
| /* |
| * Describes the format and size of the data inside the HOB. |
| * All HOBs must contain this generic HOB header. |
| */ |
| struct hob_header { |
| u16 type; /* HOB type */ |
| u16 len; /* HOB length */ |
| u32 reserved; /* always zero */ |
| }; |
| |
| /* Enumeration of memory types introduced in UEFI */ |
| enum efi_mem_type { |
| EFI_RESERVED_MEMORY_TYPE, |
| /* |
| * The code portions of a loaded application. |
| * (Note that UEFI OS loaders are UEFI applications.) |
| */ |
| EFI_LOADER_CODE, |
| /* |
| * The data portions of a loaded application and |
| * the default data allocation type used by an application |
| * to allocate pool memory. |
| */ |
| EFI_LOADER_DATA, |
| /* The code portions of a loaded Boot Services Driver */ |
| EFI_BOOT_SERVICES_CODE, |
| /* |
| * The data portions of a loaded Boot Serves Driver and |
| * the default data allocation type used by a Boot Services |
| * Driver to allocate pool memory. |
| */ |
| EFI_BOOT_SERVICES_DATA, |
| /* The code portions of a loaded Runtime Services Driver */ |
| EFI_RUNTIME_SERVICES_CODE, |
| /* |
| * The data portions of a loaded Runtime Services Driver and |
| * the default data allocation type used by a Runtime Services |
| * Driver to allocate pool memory. |
| */ |
| EFI_RUNTIME_SERVICES_DATA, |
| /* Free (unallocated) memory */ |
| EFI_CONVENTIONAL_MEMORY, |
| /* Memory in which errors have been detected */ |
| EFI_UNUSABLE_MEMORY, |
| /* Memory that holds the ACPI tables */ |
| EFI_ACPI_RECLAIM_MEMORY, |
| /* Address space reserved for use by the firmware */ |
| EFI_ACPI_MEMORY_NVS, |
| /* |
| * Used by system firmware to request that a memory-mapped IO region |
| * be mapped by the OS to a virtual address so it can be accessed by |
| * EFI runtime services. |
| */ |
| EFI_MMAP_IO, |
| /* |
| * System memory-mapped IO region that is used to translate |
| * memory cycles to IO cycles by the processor. |
| */ |
| EFI_MMAP_IO_PORT, |
| /* |
| * Address space reserved by the firmware for code that is |
| * part of the processor. |
| */ |
| EFI_PAL_CODE, |
| EFI_MAX_MEMORY_TYPE |
| }; |
| |
| /* |
| * Describes all memory ranges used during the HOB producer phase that |
| * exist outside the HOB list. This HOB type describes how memory is used, |
| * not the physical attributes of memory. |
| */ |
| struct hob_mem_alloc { |
| struct hob_header hdr; |
| /* |
| * A GUID that defines the memory allocation region's type and purpose, |
| * as well as other fields within the memory allocation HOB. This GUID |
| * is used to define the additional data within the HOB that may be |
| * present for the memory allocation HOB. Type efi_guid is defined in |
| * InstallProtocolInterface() in the UEFI 2.0 specification. |
| */ |
| struct efi_guid name; |
| /* |
| * The base address of memory allocated by this HOB. |
| * Type phys_addr_t is defined in AllocatePages() in the UEFI 2.0 |
| * specification. |
| */ |
| phys_addr_t mem_base; |
| /* The length in bytes of memory allocated by this HOB */ |
| phys_size_t mem_len; |
| /* |
| * Defines the type of memory allocated by this HOB. |
| * The memory type definition follows the EFI_MEMORY_TYPE definition. |
| * Type EFI_MEMORY_TYPE is defined in AllocatePages() in the UEFI 2.0 |
| * specification. |
| */ |
| enum efi_mem_type mem_type; |
| /* padding */ |
| u8 reserved[4]; |
| }; |
| |
| /* Value of ResourceType in HOB_RES_DESC */ |
| #define RES_SYS_MEM 0x00000000 |
| #define RES_MMAP_IO 0x00000001 |
| #define RES_IO 0x00000002 |
| #define RES_FW_DEVICE 0x00000003 |
| #define RES_MMAP_IO_PORT 0x00000004 |
| #define RES_MEM_RESERVED 0x00000005 |
| #define RES_IO_RESERVED 0x00000006 |
| #define RES_MAX_MEM_TYPE 0x00000007 |
| |
| /* |
| * These types can be ORed together as needed. |
| * |
| * The first three enumerations describe settings |
| * The rest of the settings describe capabilities |
| */ |
| #define RES_ATTR_PRESENT 0x00000001 |
| #define RES_ATTR_INITIALIZED 0x00000002 |
| #define RES_ATTR_TESTED 0x00000004 |
| #define RES_ATTR_SINGLE_BIT_ECC 0x00000008 |
| #define RES_ATTR_MULTIPLE_BIT_ECC 0x00000010 |
| #define RES_ATTR_ECC_RESERVED_1 0x00000020 |
| #define RES_ATTR_ECC_RESERVED_2 0x00000040 |
| #define RES_ATTR_READ_PROTECTED 0x00000080 |
| #define RES_ATTR_WRITE_PROTECTED 0x00000100 |
| #define RES_ATTR_EXECUTION_PROTECTED 0x00000200 |
| #define RES_ATTR_UNCACHEABLE 0x00000400 |
| #define RES_ATTR_WRITE_COMBINEABLE 0x00000800 |
| #define RES_ATTR_WRITE_THROUGH_CACHEABLE 0x00001000 |
| #define RES_ATTR_WRITE_BACK_CACHEABLE 0x00002000 |
| #define RES_ATTR_16_BIT_IO 0x00004000 |
| #define RES_ATTR_32_BIT_IO 0x00008000 |
| #define RES_ATTR_64_BIT_IO 0x00010000 |
| #define RES_ATTR_UNCACHED_EXPORTED 0x00020000 |
| |
| /* |
| * Describes the resource properties of all fixed, nonrelocatable resource |
| * ranges found on the processor host bus during the HOB producer phase. |
| */ |
| struct hob_res_desc { |
| struct hob_header hdr; |
| /* |
| * A GUID representing the owner of the resource. This GUID is |
| * used by HOB consumer phase components to correlate device |
| * ownership of a resource. |
| */ |
| struct efi_guid owner; |
| u32 type; |
| u32 attr; |
| /* The physical start address of the resource region */ |
| phys_addr_t phys_start; |
| /* The number of bytes of the resource region */ |
| phys_size_t len; |
| }; |
| |
| /* |
| * Allows writers of executable content in the HOB producer phase to |
| * maintain and manage HOBs with specific GUID. |
| */ |
| struct hob_guid { |
| struct hob_header hdr; |
| /* A GUID that defines the contents of this HOB */ |
| struct efi_guid name; |
| /* GUID specific data goes here */ |
| }; |
| |
| /** |
| * get_next_hob() - return a pointer to the next HOB in the HOB list |
| * |
| * This macro returns a pointer to HOB that follows the HOB specified by hob |
| * in the HOB List. |
| * |
| * @hdr: A pointer to a HOB. |
| * |
| * @return: A pointer to the next HOB in the HOB list. |
| */ |
| static inline const struct hob_header *get_next_hob(const struct hob_header *hdr) |
| { |
| return (const struct hob_header *)((u32)hdr + hdr->len); |
| } |
| |
| /** |
| * end_of_hob() - determine if a HOB is the last HOB in the HOB list |
| * |
| * This macro determine if the HOB specified by hob is the last HOB in the |
| * HOB list. If hob is last HOB in the HOB list, then true is returned. |
| * Otherwise, false is returned. |
| * |
| * @hdr: A pointer to a HOB. |
| * |
| * @retval true: The HOB specified by hdr is the last HOB in the HOB list. |
| * @retval false: The HOB specified by hdr is not the last HOB in the HOB list. |
| */ |
| static inline bool end_of_hob(const struct hob_header *hdr) |
| { |
| return hdr->type == HOB_TYPE_EOH; |
| } |
| |
| /** |
| * get_guid_hob_data() - return a pointer to data buffer from a HOB of |
| * type HOB_TYPE_GUID_EXT |
| * |
| * This macro returns a pointer to the data buffer in a HOB specified by hob. |
| * hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT. |
| * |
| * @hdr: A pointer to a HOB. |
| * |
| * @return: A pointer to the data buffer in a HOB. |
| */ |
| static inline void *get_guid_hob_data(const struct hob_header *hdr) |
| { |
| return (void *)((u32)hdr + sizeof(struct hob_guid)); |
| } |
| |
| /** |
| * get_guid_hob_data_size() - return the size of the data buffer from a HOB |
| * of type HOB_TYPE_GUID_EXT |
| * |
| * This macro returns the size, in bytes, of the data buffer in a HOB |
| * specified by hob. hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT. |
| * |
| * @hdr: A pointer to a HOB. |
| * |
| * @return: The size of the data buffer. |
| */ |
| static inline u16 get_guid_hob_data_size(const struct hob_header *hdr) |
| { |
| return hdr->len - sizeof(struct hob_guid); |
| } |
| |
| /* FSP specific GUID HOB definitions */ |
| #define FSP_GUID_DATA1 0x912740be |
| #define FSP_GUID_DATA2 0x2284 |
| #define FSP_GUID_DATA3 0x4734 |
| #define FSP_GUID_DATA4_0 0xb9 |
| #define FSP_GUID_DATA4_1 0x71 |
| #define FSP_GUID_DATA4_2 0x84 |
| #define FSP_GUID_DATA4_3 0xb0 |
| #define FSP_GUID_DATA4_4 0x27 |
| #define FSP_GUID_DATA4_5 0x35 |
| #define FSP_GUID_DATA4_6 0x3f |
| #define FSP_GUID_DATA4_7 0x0c |
| |
| #define FSP_HEADER_GUID \ |
| { \ |
| FSP_GUID_DATA1, FSP_GUID_DATA2, FSP_GUID_DATA3, \ |
| { FSP_GUID_DATA4_0, FSP_GUID_DATA4_1, FSP_GUID_DATA4_2, \ |
| FSP_GUID_DATA4_3, FSP_GUID_DATA4_4, FSP_GUID_DATA4_5, \ |
| FSP_GUID_DATA4_6, FSP_GUID_DATA4_7 } \ |
| } |
| |
| #define FSP_NON_VOLATILE_STORAGE_HOB_GUID \ |
| { \ |
| 0x721acf02, 0x4d77, 0x4c2a, \ |
| { 0xb3, 0xdc, 0x27, 0xb, 0x7b, 0xa9, 0xe4, 0xb0 } \ |
| } |
| |
| #define FSP_BOOTLOADER_TEMP_MEM_HOB_GUID \ |
| { \ |
| 0xbbcff46c, 0xc8d3, 0x4113, \ |
| { 0x89, 0x85, 0xb9, 0xd4, 0xf3, 0xb3, 0xf6, 0x4e } \ |
| } |
| |
| #define FSP_HOB_RESOURCE_OWNER_FSP_GUID \ |
| { \ |
| 0x69a79759, 0x1373, 0x4367, \ |
| { 0xa6, 0xc4, 0xc7, 0xf5, 0x9e, 0xfd, 0x98, 0x6e } \ |
| } |
| |
| #define FSP_HOB_RESOURCE_OWNER_TSEG_GUID \ |
| { \ |
| 0xd038747c, 0xd00c, 0x4980, \ |
| { 0xb3, 0x19, 0x49, 0x01, 0x99, 0xa4, 0x7d, 0x55 } \ |
| } |
| |
| #define FSP_HOB_RESOURCE_OWNER_GRAPHICS_GUID \ |
| { \ |
| 0x9c7c3aa7, 0x5332, 0x4917, \ |
| { 0x82, 0xb9, 0x56, 0xa5, 0xf3, 0xe6, 0x2a, 0x07 } \ |
| } |
| |
| #endif |