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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015-2016 Intel Corporation.
* Copyright (C) 2017-2018 Online SAS.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <cbmem.h>
#include <console/console.h>
#include <string.h>
#include <soc/hob_mem.h>
#include <smbios.h>
#include <memory_info.h>
#include <soc/ramstage.h>
/* Save the DIMM information for SMBIOS table 17 */
void soc_save_dimm_info(void)
{
int channel;
const CHANNEL_INFO *channel_info;
int dimm;
const DIMM_INFO *dimm_info;
int dimm_max;
int index;
struct memory_info *mem_info;
const FSP_SMBIOS_MEMORY_INFO *memory_info_hob;
/* Get the memory info HOB */
memory_info_hob = soc_get_fsp_smbios_memory_info_hob();
if (memory_info_hob == NULL)
return;
/* Display the data in the FSP_SMBIOS_MEMORY_INFO HOB */
if (CONFIG(DISPLAY_HOBS))
soc_display_fsp_smbios_memory_info_hob(memory_info_hob);
/*
* Allocate CBMEM area for DIMM information used to populate SMBIOS
* table 17
*/
mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(*mem_info));
printk(BIOS_DEBUG, "CBMEM entry for DIMM info: %p\n", mem_info);
if (mem_info == NULL)
return;
memset(mem_info, 0, sizeof(*mem_info));
/* Describe the first N DIMMs in the system */
index = 0;
dimm_max = ARRAY_SIZE(mem_info->dimm);
for (channel = 0; channel < memory_info_hob->ChannelCount; channel++) {
if (index >= dimm_max)
break;
channel_info = &memory_info_hob->ChannelInfo[channel];
for (dimm = 0; dimm < channel_info->DimmCount; dimm++) {
if (index >= dimm_max)
break;
dimm_info = &channel_info->DimmInfo[dimm];
/* Populate the DIMM information */
if (!dimm_info->SizeInMb)
continue;
mem_info->dimm[index].dimm_size =
dimm_info->SizeInMb;
mem_info->dimm[index].ddr_type =
memory_info_hob->MemoryType;
mem_info->dimm[index].ddr_frequency =
memory_info_hob->MemoryFrequencyInMHz;
mem_info->dimm[index].channel_num =
channel_info->ChannelId;
mem_info->dimm[index].dimm_num =
dimm_info->DimmId;
strncpy((char *)
mem_info->dimm[index].module_part_number,
(char *)dimm_info->ModulePartNum, 18);
mem_info->dimm[index].mod_id =
dimm_info->MfgId;
switch (memory_info_hob->DataWidth) {
default:
case 8:
mem_info->dimm[index].bus_width =
MEMORY_BUS_WIDTH_8;
break;
case 16:
mem_info->dimm[index].bus_width =
MEMORY_BUS_WIDTH_16;
break;
case 32:
mem_info->dimm[index].bus_width =
MEMORY_BUS_WIDTH_32;
break;
case 64:
mem_info->dimm[index].bus_width =
MEMORY_BUS_WIDTH_64;
break;
case 128:
mem_info->dimm[index].bus_width =
MEMORY_BUS_WIDTH_128;
break;
}
/* Add any mainboard specific information */
mainboard_add_dimm_info(mem_info, channel, dimm, index);
index++;
}
}
mem_info->dimm_cnt = index;
printk(BIOS_DEBUG, "%d DIMMs found\n", mem_info->dimm_cnt);
}
/* Add any mainboard specific information */
__attribute__((weak)) void mainboard_add_dimm_info(struct memory_info *mem_info,
int channel, int dimm,
int index)
{
printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
}
|
