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git01.mediatek.com / filogic / uboot / 350bf7a3ce7019925f75002768d49a8c04d0ea41 / . / arch / x86 / include / asm / arch-slimbootloader / slimbootloader.h
blob: 460bfc4f2d4fcbc98a90faf331172dad81045151 [file] [log] [blame]
Park, Aidendeffd422019-08-03 08:30:36 +0000[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (C) 2019 Intel Corporation <www.intel.com>
4 */
5
6#ifndef __SLIMBOOTLOADER_ARCH_H__
7#define __SLIMBOOTLOADER_ARCH_H__
8
Park, Aidendeffd422019-08-03 08:30:36 +0000[diff] [blame]9#include <asm/hob.h>
10
11/**
12 * A GUID to get MemoryMap info hob which is provided by Slim Bootloader
13 */
14#define SBL_MEMORY_MAP_INFO_GUID \
15 EFI_GUID(0xa1ff7424, 0x7a1a, 0x478e, \
16 0xa9, 0xe4, 0x92, 0xf3, 0x57, 0xd1, 0x28, 0x32)
17
18/**
Park, Aiden1636d262019-08-03 08:30:44 +0000[diff] [blame]19 * A GUID to get SerialPort info hob which is provided by Slim Bootloader
20 */
21#define SBL_SERIAL_PORT_INFO_GUID \
22 EFI_GUID(0x6c6872fe, 0x56a9, 0x4403, \
23 0xbb, 0x98, 0x95, 0x8d, 0x62, 0xde, 0x87, 0xf1)
24
25/**
Park, Aiden347f1b42019-08-03 08:30:52 +0000[diff] [blame]26 * A GUID to get boot performance info hob which is provided by Slim Bootloader
27 */
28#define SBL_PERFORMANCE_INFO_GUID \
29 EFI_GUID(0x868204be, 0x23d0, 0x4ff9, \
30 0xac, 0x34, 0xb9, 0x95, 0xac, 0x04, 0xb1, 0xb9)
31
32/**
Park, Aidendeffd422019-08-03 08:30:36 +0000[diff] [blame]33 * A single entry of memory map information
34 *
35 * @addr: start address of a memory map entry
36 * @size: size of a memory map entry
37 * @type: usable:1, reserved:2, acpi:3, nvs:4, unusable:5
38 * @flag: only used in Slim Bootloader
39 * @rsvd: padding for alignment
40 */
41struct sbl_memory_map_entry {
42 u64 addr;
43 u64 size;
44 u8 type;
45 u8 flag;
46 u8 rsvd[6];
47};
48
49/**
50 * This includes all memory map entries which is sorted based on physical start
51 * address, from low to high, and carved out reserved, acpi nvs, acpi reclaim
52 * and usable memory.
53 *
54 * @rev : revision of memory_map_info structure. currently 1.
55 * @rsvd : padding for alignment
56 * @count: the number of memory map entries
57 * @entry: array of all memory map entries
58 */
59struct sbl_memory_map_info {
60 u8 rev;
61 u8 rsvd[3];
62 u32 count;
63 struct sbl_memory_map_entry entry[0];
64};
65
Park, Aiden1636d262019-08-03 08:30:44 +0000[diff] [blame]66/**
67 * This includes serial port info which has already been initialized in previous
68 * Slim Bootloader stage.
69 * The Slim Bootloader initializes serial port regardless of debug/release build
70 * modes, and it passes the information to a payload thru hob. So, a payload can
71 * re-use the serial information without re-initializing serial port.
72 *
73 * @rev : revision of serial_port_info structure. currently 1.
74 * @rsvd : padding for alignment
75 * @type : port io: 1, mmio: 2
76 * @base : io base address. ex) 0x3f8, 0x80001000
77 * @baud : uart baud rate
78 * @stride: register stride in Bytes
79 * @clk : uart frequency in Hz
80 * @rsvd1 : reserved
81 */
82struct sbl_serial_port_info {
83 u8 rev;
84 u8 rsvd[3];
85 u32 type;
86 u32 base;
87 u32 baud;
88 u32 stride;
89 u32 clk;
90 u32 rsvd1;
91};
92
Park, Aiden347f1b42019-08-03 08:30:52 +0000[diff] [blame]93/**
94 * This includes timestamp data which has been collected in Slim Bootloader
95 * stages from the reset vector. In addition, this has TSC frequency in KHz to
96 * calculate each timestamp.
97 *
98 * @rev : revision of performance_info structure. currently 1.
99 * @rsvd : padding for alignment
100 * @count : the number of collected timestamp data
101 * @flags : only used in Slim Bootloader
102 * @frequency: tsc frequency in KHz
103 * @timestamp: the array of timestamp data which has 64-bit tsc value
104 */
105struct sbl_performance_info {
106 u8 rev;
107 u8 rsvd[3];
108 u16 count;
109 u16 flags;
110 u32 frequency;
111 u64 timestamp[0];
112};
113
Park, Aidendeffd422019-08-03 08:30:36 +0000[diff] [blame]114#endif /* __SLIMBOOTLOADER_ARCH_H__ */