1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2
3 #include <soc/soc_util.h>
4 #include <lib.h>
5 #include <drivers/ipmi/ocp/ipmi_ocp.h>
6 #include "ocp_ewl.h"
7
ipmi_send_sel_ewl_type3_err(EWL_ENTRY_HEADER * header,EWL_ENTRY_MEMORY_LOCATION memory_location)8 static void ipmi_send_sel_ewl_type3_err(EWL_ENTRY_HEADER *header,
9 EWL_ENTRY_MEMORY_LOCATION memory_location)
10 {
11 struct ipmi_sel_mem_err sel;
12 uint8_t socketid;
13 EWL_ENTRY_TYPE3 *basic_warning;
14 basic_warning = (EWL_ENTRY_TYPE3 *)header;
15
16 /* Ignore invalid EWL DIMM location before sending SEL */
17 if (memory_location.Channel == 0xff || memory_location.Dimm == 0xff)
18 return;
19 memset(&sel, 0, sizeof(struct ipmi_sel_mem_err));
20 sel.record_id = 0x0000;
21 sel.record_type = 0xfb;
22 sel.general_info = SEL_INTEL_MEMORY_ERROR;
23 sel.timestamp = 0;
24 socketid = get_blade_id() - 1;
25 sel.socket = socketid <<= 4;
26 sel.channel = memory_location.Channel;
27 sel.dimm_slot = memory_location.Dimm;
28 sel.rsvd1 = 0xff;
29 sel.dimm_failure_type = MEM_TRAINING_ERR;
30 sel.major_code = basic_warning->Context.MajorWarningCode;
31 sel.minor_code = basic_warning->Context.MinorWarningCode;
32 sel.rsvd2 = 0xff;
33 ipmi_send_to_bmc((unsigned char *)&sel, sizeof(sel));
34 printk(BIOS_DEBUG, "ipmi send memory training error\n");
35 }
36
process_ewl_type3(EWL_ENTRY_HEADER * header,EWL_ENTRY_MEMORY_LOCATION memory_location)37 static void process_ewl_type3(EWL_ENTRY_HEADER *header, EWL_ENTRY_MEMORY_LOCATION memory_location)
38 {
39 /* Treat warning as type 3, collect basic information and print to serial log */
40 EWL_ENTRY_TYPE3 *basic_warning;
41 basic_warning = (EWL_ENTRY_TYPE3 *)header;
42 printk(BIOS_ERR, "Major Warning Code = 0x%02x, Minor Warning Code = 0x%02x,\n",
43 basic_warning->Context.MajorWarningCode,
44 basic_warning->Context.MinorWarningCode);
45 printk(BIOS_ERR, "Major Checkpoint: 0x%02x\n", basic_warning->Context.MajorCheckpoint);
46 printk(BIOS_ERR, "Minor Checkpoint: 0x%02x\n", basic_warning->Context.MinorCheckpoint);
47
48 if (memory_location.Socket != 0xff)
49 printk(BIOS_ERR, "Socket %d\n", memory_location.Socket);
50 if (memory_location.Channel != 0xff)
51 printk(BIOS_ERR, "Channel %d\n", memory_location.Channel);
52 if (memory_location.Dimm != 0xff)
53 printk(BIOS_ERR, "Dimm %d\n", memory_location.Dimm);
54 if (memory_location.Rank != 0xff)
55 printk(BIOS_ERR, "Rank %d\n", memory_location.Rank);
56 }
57
get_ewl(void)58 void get_ewl(void)
59 {
60 const EWL_PRIVATE_DATA *hob = get_ewl_hob();
61 int offset = 0;
62 bool type3_flag = 0;
63 EWL_ENTRY_HEADER *warning_header;
64 printk(BIOS_DEBUG, "Number of EWL entries %d\n", hob->numEntries);
65 while (offset < hob->status.Header.FreeOffset) {
66 warning_header = (EWL_ENTRY_HEADER *) &(hob->status.Buffer[offset]);
67 if (warning_header->Type == EwlType3) {
68 printk(BIOS_ERR, "EWL type: %d size:%d severity level:%d\n",
69 warning_header->Type,
70 warning_header->Size,
71 warning_header->Severity);
72 if (warning_header->Size != sizeof(EWL_ENTRY_TYPE3)) {
73 printk(BIOS_ERR, "EWL type3 size mismatch!\n");
74 return;
75 }
76 EWL_ENTRY_TYPE3 *type3;
77 type3 = (EWL_ENTRY_TYPE3 *)warning_header;
78 process_ewl_type3(warning_header, type3->MemoryLocation);
79 type3_flag = 1;
80 ipmi_send_sel_ewl_type3_err(warning_header, type3->MemoryLocation);
81 } else {
82 printk(BIOS_DEBUG, "EWL type: %d size:%d severity level:%d\n",
83 warning_header->Type,
84 warning_header->Size,
85 warning_header->Severity);
86 hexdump(&(hob->status.Buffer[offset]), warning_header->Size);
87 }
88 offset += warning_header->Size;
89 }
90 if (type3_flag) {
91 /* If Fastboot is enabled, the next boot will skip MRC and won't detect
92 MRC error via EWL and still can boot up, so enforce MRC after reboot. */
93 soc_set_mrc_cold_boot_flag(true);
94 die("Memory Training Error!\n");
95 }
96 }
97