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
116
117
|
/* SPDX-License-Identifier: BSD-3-Clause */
/* coreboot UEFI PEI wrapper */
#ifndef PEI_DATA_H
#define PEI_DATA_H
#include <stdint.h>
typedef struct {
uint16_t mode; /* 0: Disable, 1: Enable, 2: Auto, 3: Smart Auto */
uint16_t hs_port_switch_mask; /* 4 bit mask, 1: switchable, 0: not switchable */
uint16_t preboot_support; /* 0: No xHCI preOS driver, 1: xHCI preOS driver */
uint16_t xhci_streams; /* 0: Disable, 1: Enable */
} pch_usb3_controller_settings;
typedef void (*tx_byte_func)(unsigned char byte);
#define PEI_VERSION 6
struct pei_data
{
uint32_t pei_version;
uint32_t mchbar;
uint32_t dmibar;
uint32_t epbar;
uint32_t pciexbar;
uint16_t smbusbar;
uint32_t wdbbar;
uint32_t wdbsize;
uint32_t hpet_address;
uint32_t rcba;
uint32_t pmbase;
uint32_t gpiobase;
uint32_t thermalbase;
uint32_t system_type; /* 0 Mobile, 1 Desktop/Server */
uint32_t tseg_size;
uint8_t spd_addresses[4];
uint8_t ts_addresses[4];
int boot_mode;
int ec_present;
int gbe_enable;
/*
* 0 = leave channel enabled
* 1 = disable dimm 0 on channel
* 2 = disable dimm 1 on channel
* 3 = disable dimm 0+1 on channel
*/
int dimm_channel0_disabled;
int dimm_channel1_disabled;
/* Seed values saved in CMOS */
uint32_t scrambler_seed;
uint32_t scrambler_seed_s3;
/* Data read from flash and passed into MRC */
unsigned char *mrc_input;
unsigned int mrc_input_len;
/* Data from MRC that should be saved to flash */
unsigned char *mrc_output;
unsigned int mrc_output_len;
/*
* Max frequency DDR3 could be ran at. Could be one of four values:
* 800, 1067, 1333, 1600
*/
uint32_t max_ddr3_freq;
/*
* USB Port Configuration:
* [0] = enable
* [1] = overcurrent pin
* [2] = length
*
* Ports 0-7 can be mapped to OC0-OC3
* Ports 8-13 can be mapped to OC4-OC7
*
* Port Length
* MOBILE:
* < 0x050 = Setting 1 (back panel, 1 to 5 in, lowest tx amplitude)
* < 0x140 = Setting 2 (back panel, 5 to 14 in, highest tx amplitude)
* DESKTOP:
* < 0x080 = Setting 1 (front/back panel, less than 8 in, lowest tx amplitude)
* < 0x130 = Setting 2 (back panel, 8 to 13 in, higher tx amplitude)
* < 0x150 = Setting 3 (back panel, 13 to 15 in, highest tx amplitude)
*/
uint16_t usb_port_config[16][3];
/* See the usb3 struct above for details */
pch_usb3_controller_settings usb3;
/*
* SPD data array for onboard RAM. Note that spd_data [1..3] are ignored: instead,
* the "dimm_channel{0,1}_disabled" flag and the spd_addresses are used to determine
* which DIMMs should use the SPD from spd_data[0].
*/
uint8_t spd_data[4][256];
tx_byte_func tx_byte;
int ddr3lv_support;
/*
* pcie_init needs to be set to 1 to have the system agent initialize PCIe.
* Note: This should only be required if your system has Gen3 devices and
* it will increase your boot time by at least 100ms.
*/
int pcie_init;
/*
* N mode functionality. Leave this setting at 0.
*
* 0: Auto
* 1: 1N
* 2: 2N
*/
int nmode;
/*
* DDR refresh rate config. JEDEC Standard No.21-C Annex K allows for DIMM SPD data to
* specify whether double-rate is required for extended operating temperature range.
*
* 0: Enable double rate based upon temperature thresholds
* 1: Normal rate
* 2: Always enable double rate
*/
int ddr_refresh_rate_config;
} __packed;
#endif
|
