diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/nest/p9_chiplet_fabric_scominit.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/nest/p9_chiplet_fabric_scominit.C | 89 |
1 files changed, 67 insertions, 22 deletions
diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_chiplet_fabric_scominit.C b/src/import/chips/p9/procedures/hwp/nest/p9_chiplet_fabric_scominit.C index 361a1cf83..833cf8ba9 100644 --- a/src/import/chips/p9/procedures/hwp/nest/p9_chiplet_fabric_scominit.C +++ b/src/import/chips/p9/procedures/hwp/nest/p9_chiplet_fabric_scominit.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2017 */ +/* Contributors Listed Below - COPYRIGHT 2017,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -43,6 +43,8 @@ #include <p9_fbc_no_hp_scom.H> #include <p9_fbc_ioe_tl_scom.H> #include <p9_fbc_ioe_dl_scom.H> +#include <p9_xbus_fir_utils.H> +#include <p9_fbc_smp_utils.H> #include <p9_xbus_scom_addresses.H> #include <p9_xbus_scom_addresses_fld.H> @@ -52,17 +54,6 @@ #include <p9_perv_scom_addresses.H> //------------------------------------------------------------------------------ -// Constant definitions -//------------------------------------------------------------------------------ -const uint64_t FBC_IOE_TL_FIR_ACTION0 = 0x0000000000000000ULL; -const uint64_t FBC_IOE_TL_FIR_ACTION1 = 0x0000000000000000ULL; -const uint64_t FBC_IOE_TL_FIR_MASK = 0xFF6DF0303FFFFF1FULL; - -const uint64_t FBC_IOE_DL_FIR_ACTION0 = 0x0000000000000000ULL; -const uint64_t FBC_IOE_DL_FIR_ACTION1 = 0x0303C00000001FFCULL; -const uint64_t FBC_IOE_DL_FIR_MASK = 0xFCFC3FFFFFFFE003ULL; - -//------------------------------------------------------------------------------ // Function definitions //------------------------------------------------------------------------------ @@ -74,6 +65,7 @@ fapi2::ReturnCode p9_chiplet_fabric_scominit(const fapi2::Target<fapi2::TARGET_T fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM; std::vector<fapi2::Target<fapi2::TARGET_TYPE_XBUS>> l_xbus_chiplets; std::vector<fapi2::Target<fapi2::TARGET_TYPE_OBUS>> l_obus_chiplets; + fapi2::buffer<uint64_t> l_fbc_cent_fir_data; fapi2::ATTR_PROC_FABRIC_OPTICS_CONFIG_MODE_Type l_fbc_optics_cfg_mode = { fapi2::ENUM_ATTR_PROC_FABRIC_OPTICS_CONFIG_MODE_SMP }; FAPI_DBG("Start"); @@ -105,14 +97,64 @@ fapi2::ReturnCode p9_chiplet_fabric_scominit(const fapi2::Target<fapi2::TARGET_T l_xbus_chiplets = i_target.getChildren<fapi2::TARGET_TYPE_XBUS>(); - if (l_xbus_chiplets.size()) + // configure TL FIR, only if not already setup by SBE + FAPI_TRY(fapi2::getScom(i_target, PU_PB_CENT_SM0_PB_CENT_FIR_REG, l_fbc_cent_fir_data), + "Error from getScom (PU_PB_CENT_SM0_PB_CENT_FIR_REG)"); + + if (!l_fbc_cent_fir_data.getBit<PU_PB_CENT_SM0_PB_CENT_FIR_MASK_REG_SPARE_13>()) { FAPI_TRY(fapi2::putScom(i_target, PU_PB_IOE_FIR_ACTION0_REG, FBC_IOE_TL_FIR_ACTION0), "Error from putScom (PU_PB_IOE_FIR_ACTION0_REG)"); FAPI_TRY(fapi2::putScom(i_target, PU_PB_IOE_FIR_ACTION1_REG, FBC_IOE_TL_FIR_ACTION1), "Error from putScom (PU_PB_IOE_FIR_ACTION1_REG)"); - FAPI_TRY(fapi2::putScom(i_target, PU_PB_IOE_FIR_MASK_REG, FBC_IOE_TL_FIR_MASK), - "Error from putScom (PU_PB_IOE_FIR_MASK_REG)"); + + fapi2::buffer<uint64_t> l_fir_mask = FBC_IOE_TL_FIR_MASK; + + if (!l_xbus_chiplets.size()) + { + // no valid links, mask + l_fir_mask.flush<1>(); + } + else + { + bool l_x_functional[P9_FBC_UTILS_MAX_ELECTRICAL_LINKS] = + { + false, + false, + false + }; + uint64_t l_x_non_functional_mask[P9_FBC_UTILS_MAX_ELECTRICAL_LINKS] = + { + FBC_IOE_TL_FIR_MASK_X0_NF, + FBC_IOE_TL_FIR_MASK_X1_NF, + FBC_IOE_TL_FIR_MASK_X2_NF + }; + + for (auto l_iter = l_xbus_chiplets.begin(); + l_iter != l_xbus_chiplets.end(); + l_iter++) + { + uint8_t l_unit_pos; + FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_UNIT_POS, + *l_iter, + l_unit_pos), + "Error from FAPI_ATTR_GET (ATTR_CHIP_UNIT_POS)"); + l_x_functional[l_unit_pos] = true; + } + + for (uint8_t ll = 0; + ll < P9_FBC_UTILS_MAX_ELECTRICAL_LINKS; + ll++) + { + if (!l_x_functional[ll]) + { + l_fir_mask |= l_x_non_functional_mask[ll]; + } + } + + FAPI_TRY(fapi2::putScom(i_target, PU_PB_IOE_FIR_MASK_REG, l_fir_mask), + "Error from putScom (PU_PB_IOE_FIR_MASK_REG)"); + } } // setup IOE (XBUS FBC IO) DL SCOMs @@ -131,13 +173,16 @@ fapi2::ReturnCode p9_chiplet_fabric_scominit(const fapi2::Target<fapi2::TARGET_T goto fapi_try_exit; } - // configure action registers & unmask - FAPI_TRY(fapi2::putScom(*l_iter, XBUS_LL0_IOEL_FIR_ACTION0_REG, FBC_IOE_DL_FIR_ACTION0), - "Error from putScom (XBUS_LL0_IOEL_FIR_ACTION0_REG)"); - FAPI_TRY(fapi2::putScom(*l_iter, XBUS_LL0_IOEL_FIR_ACTION1_REG, FBC_IOE_DL_FIR_ACTION1), - "Error from putScom (XBUS_LL0_IOEL_FIR_ACTION1_REG)"); - FAPI_TRY(fapi2::putScom(*l_iter, XBUS_LL0_LL0_LL0_IOEL_FIR_MASK_REG, FBC_IOE_DL_FIR_MASK), - "Error from putScom (XBUS_LL0_LL0_LL0_IOEL_FIR_MASK_REG)"); + // configure DL FIR, only if not already setup by SBE + if (!l_fbc_cent_fir_data.getBit<PU_PB_CENT_SM0_PB_CENT_FIR_MASK_REG_SPARE_13>()) + { + FAPI_TRY(fapi2::putScom(*l_iter, XBUS_LL0_IOEL_FIR_ACTION0_REG, FBC_IOE_DL_FIR_ACTION0), + "Error from putScom (XBUS_LL0_IOEL_FIR_ACTION0_REG)"); + FAPI_TRY(fapi2::putScom(*l_iter, XBUS_LL0_IOEL_FIR_ACTION1_REG, FBC_IOE_DL_FIR_ACTION1), + "Error from putScom (XBUS_LL0_IOEL_FIR_ACTION1_REG)"); + FAPI_TRY(fapi2::putScom(*l_iter, XBUS_LL0_LL0_LL0_IOEL_FIR_MASK_REG, FBC_IOE_DL_FIR_MASK), + "Error from putScom (XBUS_LL0_LL0_LL0_IOEL_FIR_MASK_REG)"); + } } // set FBC optics config mode attribute |
