diff options
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/nest/p9_fab_iovalid.C | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_fab_iovalid.C b/src/import/chips/p9/procedures/hwp/nest/p9_fab_iovalid.C index 4dad8bea9..6344f4df7 100644 --- a/src/import/chips/p9/procedures/hwp/nest/p9_fab_iovalid.C +++ b/src/import/chips/p9/procedures/hwp/nest/p9_fab_iovalid.C @@ -951,6 +951,26 @@ p9_fab_iovalid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target, FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_PROC_FABRIC_A_LINK_DELAY, i_target, l_a_agg_link_delay), "Error from FAPI_ATTR_GET (ATTR_PROC_FABRIC_A_LINK_DELAY"); + // lock down secure ABUS mailboxes (even half link, mailbox 0), future + // read accessses will return 0 + if (i_set_not_clear && + i_manage_optical) + { + fapi2::buffer<uint64_t> l_security_switch; + + FAPI_TRY(fapi2::getScom(i_target, + PU_SECURITY_SWITCH_REGISTER_SCOM, + l_security_switch), + "Error from getScom (PU_SECURITY_SWITCH_REGISTER_SCOM)"); + + l_security_switch.setBit<PU_SECURITY_SWITCH_REGISTER_ABUS_LOCK>(); + + FAPI_TRY(fapi2::putScom(i_target, + PU_SECURITY_SWITCH_REGISTER_SCOM, + l_security_switch), + "Error from getScom (PU_SECURITY_SWITCH_REGISTER_SCOM)"); + } + fapi_try_exit: FAPI_INF("End"); return fapi2::current_err; |
