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https://github.com/brain-hackers/u-boot-brain
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54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2019 Intel Corporation <www.intel.com>
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*/
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#ifndef __SLIMBOOTLOADER_ARCH_H__
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#define __SLIMBOOTLOADER_ARCH_H__
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#include <common.h>
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#include <asm/hob.h>
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/**
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* A GUID to get MemoryMap info hob which is provided by Slim Bootloader
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*/
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#define SBL_MEMORY_MAP_INFO_GUID \
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EFI_GUID(0xa1ff7424, 0x7a1a, 0x478e, \
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0xa9, 0xe4, 0x92, 0xf3, 0x57, 0xd1, 0x28, 0x32)
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/**
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* A single entry of memory map information
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*
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* @addr: start address of a memory map entry
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* @size: size of a memory map entry
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* @type: usable:1, reserved:2, acpi:3, nvs:4, unusable:5
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* @flag: only used in Slim Bootloader
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* @rsvd: padding for alignment
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*/
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struct sbl_memory_map_entry {
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u64 addr;
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u64 size;
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u8 type;
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u8 flag;
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u8 rsvd[6];
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};
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/**
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* This includes all memory map entries which is sorted based on physical start
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* address, from low to high, and carved out reserved, acpi nvs, acpi reclaim
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* and usable memory.
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*
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* @rev : revision of memory_map_info structure. currently 1.
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* @rsvd : padding for alignment
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* @count: the number of memory map entries
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* @entry: array of all memory map entries
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*/
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struct sbl_memory_map_info {
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u8 rev;
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u8 rsvd[3];
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u32 count;
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struct sbl_memory_map_entry entry[0];
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};
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#endif /* __SLIMBOOTLOADER_ARCH_H__ */
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