diff options
Diffstat (limited to 'hdata/spira.c')
| -rw-r--r-- | hdata/spira.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/hdata/spira.c b/hdata/spira.c index 41f45b3..0c44a66 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -928,6 +928,46 @@ static void dt_init_secureboot_node(const struct iplparams_sysparams *sysparams) dt_add_property_cells(node, "hw-key-hash-size", hw_key_hash_size); } +static void opal_dump_add_mpipl_boot(const struct iplparams_iplparams *p) +{ + u32 mdrt_cnt = spira.ntuples.mdump_res.act_cnt; + u32 mdrt_max_cnt = MDRT_TABLE_SIZE / sizeof(struct mdrt_table); + struct dt_node *dump_node; + + dump_node = dt_find_by_path(opal_node, "dump"); + if (!dump_node) + return; + + /* Check boot params to detect MPIPL boot or not */ + if (p->cec_ipl_maj_type != IPLPARAMS_MAJ_TYPE_REIPL) + return; + + /* + * On FSP system we get minor type as post dump IPL and on BMC system + * we get platform reboot. Hence lets check for both values. + */ + if (p->cec_ipl_min_type != IPLPARAMS_MIN_TYPE_POST_DUMP && + p->cec_ipl_min_type != IPLPARAMS_MIN_TYPE_PLAT_REBOOT) { + prlog(PR_NOTICE, "DUMP: Non MPIPL reboot " + "[minor type = 0x%x]\n", p->cec_ipl_min_type); + return; + } + + if (p->cec_ipl_attrib != IPLPARAMS_ATTRIB_MEM_PRESERVE) { + prlog(PR_DEBUG, "DUMP: Memory not preserved\n"); + return; + } + + if (mdrt_cnt == 0 || mdrt_cnt >= mdrt_max_cnt) { + prlog(PR_DEBUG, "DUMP: Invalid MDRT count : %x\n", mdrt_cnt); + return; + } + + prlog(PR_NOTICE, "DUMP: Dump found, MDRT count = 0x%x\n", mdrt_cnt); + + dt_add_property(dump_node, "mpipl-boot", NULL, 0); +} + static void add_opal_dump_node(void) { u64 fw_load_area[4]; @@ -1088,6 +1128,9 @@ static void add_iplparams_ipl_params(const void *iplp, struct dt_node *node) else dt_add_property_strings(led_node, DT_PROPERTY_LED_MODE, LED_MODE_GUIDING_LIGHT); + + /* Populate opal dump result table */ + opal_dump_add_mpipl_boot(p); } static void add_iplparams_serials(const void *iplp, struct dt_node *node) |