1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2019 Intel Corporation <www.intel.com>
*/
#ifndef __SLIMBOOTLOADER_ARCH_H__
#define __SLIMBOOTLOADER_ARCH_H__
#include <common.h>
#include <asm/hob.h>
/**
* A GUID to get MemoryMap info hob which is provided by Slim Bootloader
*/
#define SBL_MEMORY_MAP_INFO_GUID \
EFI_GUID(0xa1ff7424, 0x7a1a, 0x478e, \
0xa9, 0xe4, 0x92, 0xf3, 0x57, 0xd1, 0x28, 0x32)
/**
* A GUID to get SerialPort info hob which is provided by Slim Bootloader
*/
#define SBL_SERIAL_PORT_INFO_GUID \
EFI_GUID(0x6c6872fe, 0x56a9, 0x4403, \
0xbb, 0x98, 0x95, 0x8d, 0x62, 0xde, 0x87, 0xf1)
/**
* A GUID to get boot performance info hob which is provided by Slim Bootloader
*/
#define SBL_PERFORMANCE_INFO_GUID \
EFI_GUID(0x868204be, 0x23d0, 0x4ff9, \
0xac, 0x34, 0xb9, 0x95, 0xac, 0x04, 0xb1, 0xb9)
/**
* A single entry of memory map information
*
* @addr: start address of a memory map entry
* @size: size of a memory map entry
* @type: usable:1, reserved:2, acpi:3, nvs:4, unusable:5
* @flag: only used in Slim Bootloader
* @rsvd: padding for alignment
*/
struct sbl_memory_map_entry {
u64 addr;
u64 size;
u8 type;
u8 flag;
u8 rsvd[6];
};
/**
* This includes all memory map entries which is sorted based on physical start
* address, from low to high, and carved out reserved, acpi nvs, acpi reclaim
* and usable memory.
*
* @rev : revision of memory_map_info structure. currently 1.
* @rsvd : padding for alignment
* @count: the number of memory map entries
* @entry: array of all memory map entries
*/
struct sbl_memory_map_info {
u8 rev;
u8 rsvd[3];
u32 count;
struct sbl_memory_map_entry entry[0];
};
/**
* This includes serial port info which has already been initialized in previous
* Slim Bootloader stage.
* The Slim Bootloader initializes serial port regardless of debug/release build
* modes, and it passes the information to a payload thru hob. So, a payload can
* re-use the serial information without re-initializing serial port.
*
* @rev : revision of serial_port_info structure. currently 1.
* @rsvd : padding for alignment
* @type : port io: 1, mmio: 2
* @base : io base address. ex) 0x3f8, 0x80001000
* @baud : uart baud rate
* @stride: register stride in Bytes
* @clk : uart frequency in Hz
* @rsvd1 : reserved
*/
struct sbl_serial_port_info {
u8 rev;
u8 rsvd[3];
u32 type;
u32 base;
u32 baud;
u32 stride;
u32 clk;
u32 rsvd1;
};
/**
* This includes timestamp data which has been collected in Slim Bootloader
* stages from the reset vector. In addition, this has TSC frequency in KHz to
* calculate each timestamp.
*
* @rev : revision of performance_info structure. currently 1.
* @rsvd : padding for alignment
* @count : the number of collected timestamp data
* @flags : only used in Slim Bootloader
* @frequency: tsc frequency in KHz
* @timestamp: the array of timestamp data which has 64-bit tsc value
*/
struct sbl_performance_info {
u8 rev;
u8 rsvd[3];
u16 count;
u16 flags;
u32 frequency;
u64 timestamp[0];
};
#endif /* __SLIMBOOTLOADER_ARCH_H__ */
|
