1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <acpi/acpi.h>
4 #include <bootstate.h>
5 #include <cbmem.h>
6 #include <console/console.h>
7 #include <device/device.h>
8 #include <device/pci_def.h>
9 #include <dimm_info_util.h>
10 #include <memory_info.h>
11 #include <lib.h>
12 #include <string.h>
13
14 #include <amdblocks/agesawrapper.h>
15 #include <amdblocks/agesawrapper_call.h>
16
17 /**
18 * Populate dimm_info using AGESA TYPE17_DMI_INFO.
19 */
transfer_memory_info(TYPE17_DMI_INFO * dmi17,struct dimm_info * dimm)20 static void transfer_memory_info(TYPE17_DMI_INFO *dmi17,
21 struct dimm_info *dimm)
22 {
23 hexstrtobin(dmi17->SerialNumber, dimm->serial, sizeof(dimm->serial));
24
25 dimm->dimm_size =
26 smbios_memory_size_to_mib(dmi17->MemorySize, dmi17->ExtSize);
27
28 dimm->ddr_type = dmi17->MemoryType;
29
30 /*
31 * dimm_info uses ddr_frequency for setting both config speed and max
32 * speed. Lets use config speed so we don't get the false impression
33 * that the RAM is running faster than it actually is.
34 */
35 dimm->ddr_frequency = dmi17->ConfigSpeed;
36
37 dimm->rank_per_dimm = dmi17->Attributes;
38
39 dimm->mod_type = smbios_form_factor_to_spd_mod_type(
40 (smbios_memory_type)dmi17->MemoryType,
41 (smbios_memory_form_factor)dmi17->FormFactor);
42
43 dimm->bus_width = smbios_bus_width_to_spd_width(dmi17->MemoryType, dmi17->TotalWidth,
44 dmi17->DataWidth);
45
46 dimm->mod_id = dmi17->ManufacturerIdCode;
47
48 dimm->bank_locator = 0;
49
50 strncpy((char *)dimm->module_part_number, dmi17->PartNumber,
51 sizeof(dimm->module_part_number) - 1);
52 }
53
print_dimm_info(const struct dimm_info * dimm)54 static void print_dimm_info(const struct dimm_info *dimm)
55 {
56 printk(RAM_SPEW,
57 "CBMEM_ID_MEMINFO:\n"
58 " dimm_size: %u\n"
59 " ddr_type: 0x%hx\n"
60 " ddr_frequency: %hu\n"
61 " rank_per_dimm: %hhu\n"
62 " channel_num: %hhu\n"
63 " dimm_num: %hhu\n"
64 " bank_locator: %hhu\n"
65 " mod_id: %hu\n"
66 " mod_type: 0x%hhx\n"
67 " bus_width: %hhu\n"
68 " serial: %02hhx%02hhx%02hhx%02hhx\n"
69 " module_part_number(%zu): %s\n",
70 dimm->dimm_size,
71 dimm->ddr_type,
72 dimm->ddr_frequency,
73 dimm->rank_per_dimm,
74 dimm->channel_num,
75 dimm->dimm_num,
76 dimm->bank_locator,
77 dimm->mod_id,
78 dimm->mod_type,
79 dimm->bus_width,
80 dimm->serial[0],
81 dimm->serial[1],
82 dimm->serial[2],
83 dimm->serial[3],
84 strlen((char *)dimm->module_part_number),
85 (char *)dimm->module_part_number
86 );
87 }
88
print_dmi_info(const TYPE17_DMI_INFO * dmi17)89 static void print_dmi_info(const TYPE17_DMI_INFO *dmi17)
90 {
91 printk(RAM_SPEW,
92 "AGESA TYPE 17 DMI INFO:\n"
93 " Handle: %hu\n"
94 " TotalWidth: %hu\n"
95 " DataWidth: %hu\n"
96 " MemorySize: %hu\n"
97 " DeviceSet: %hhu\n"
98 " Speed: %hu\n"
99 " ManufacturerIdCode: %llu\n"
100 " Attributes: %hhu\n"
101 " ExtSize: %u\n"
102 " ConfigSpeed: %hu\n"
103 " MemoryType: 0x%x\n"
104 " FormFactor: 0x%x\n"
105 " DeviceLocator: %8s\n"
106 " BankLocator: %10s\n"
107 " SerialNumber(%zu): %9s\n"
108 " PartNumber(%zu): %19s\n",
109 dmi17->Handle,
110 dmi17->TotalWidth,
111 dmi17->DataWidth,
112 dmi17->MemorySize,
113 dmi17->DeviceSet,
114 dmi17->Speed,
115 dmi17->ManufacturerIdCode,
116 dmi17->Attributes,
117 dmi17->ExtSize,
118 dmi17->ConfigSpeed,
119 dmi17->MemoryType,
120 dmi17->FormFactor,
121 dmi17->DeviceLocator,
122 dmi17->BankLocator,
123 strlen((char *)dmi17->SerialNumber),
124 dmi17->SerialNumber,
125 strlen((char *)dmi17->PartNumber),
126 dmi17->PartNumber
127 );
128 }
129
prepare_dmi_17(void * unused)130 static void prepare_dmi_17(void *unused)
131 {
132 DMI_INFO *DmiTable;
133 TYPE17_DMI_INFO *address;
134 struct memory_info *mem_info;
135 struct dimm_info *dimm;
136 int i, j, dimm_cnt = 0;
137
138 mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(struct memory_info));
139 if (!mem_info) {
140 printk(BIOS_NOTICE, "Failed to add memory info to CBMEM.\n");
141 return;
142 }
143 memset(mem_info, 0, sizeof(struct memory_info));
144
145 DmiTable = agesawrapper_getlateinitptr(PICK_DMI);
146 for (i = 0; i < MAX_CHANNELS_PER_SOCKET; i++) {
147 for (j = 0; j < MAX_DIMMS_PER_CHANNEL; j++) {
148 address = &DmiTable->T17[0][i][j];
149 if (address->Handle > 0) {
150 dimm = &mem_info->dimm[dimm_cnt];
151 dimm->channel_num = i;
152 dimm->dimm_num = j;
153 transfer_memory_info(address, dimm);
154 print_dmi_info(address);
155 print_dimm_info(dimm);
156 dimm_cnt++;
157 }
158 }
159 }
160 mem_info->dimm_cnt = dimm_cnt;
161 }
162
163 BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY, prepare_dmi_17, NULL);
164
agesawrapper_post_device(void * unused)165 static void agesawrapper_post_device(void *unused)
166 {
167 if (acpi_is_wakeup_s3())
168 return;
169
170 do_agesawrapper(AMD_INIT_LATE, "amdinitlate");
171
172 if (!acpi_s3_resume_allowed())
173 return;
174
175 do_agesawrapper(AMD_INIT_RTB, "amdinitrtb");
176 }
177
178 BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, agesawrapper_post_device,
179 NULL);
180