diff options
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.C | 65 | ||||
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.H | 5 | ||||
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.mk | 2 |
3 files changed, 70 insertions, 2 deletions
diff --git a/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.C b/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.C index d2c237d65..914a78072 100644 --- a/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.C +++ b/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.C @@ -71,6 +71,8 @@ fapi2::ReturnCode p9_start_cbs(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> fapi2::buffer<uint8_t> l_read_attr; fapi2::buffer<uint8_t> l_fifo_reset_skip; const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM; + fapi2::buffer<uint8_t> l_is_axone; + FAPI_INF("p9_start_cbs: Entering ..."); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_EC_FEATURE_HW402019_PIBRESET_DELAY, @@ -79,6 +81,8 @@ fapi2::ReturnCode p9_start_cbs(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_START_CBS_FIFO_RESET_SKIP, FAPI_SYSTEM, l_fifo_reset_skip)); + FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_EC_FEATURE_P9A_SBE_REGION, i_target_chip, l_is_axone)); + FAPI_DBG("Clearing Selfboot message register before every boot "); // buffer is init value is 0 FAPI_TRY(fapi2::putCfamRegister(i_target_chip, PERV_SB_MSG_FSI, l_data32)); @@ -199,9 +203,70 @@ fapi2::ReturnCode p9_start_cbs(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> .set_FSI2PIB_STATUS_READ(l_data32), "ERROR:VDD OFF, FSI2PIB BIT 16 NOT SET"); + if (l_is_axone) + { + FAPI_DBG("Switching to PIB2PCB mux sel to 1 [till pcbnet clocks are started]"); + FAPI_TRY(p9_start_cbs_switch_to_pib2pcb_path_cfam(i_target_chip)); + } + FAPI_INF("p9_start_cbs: Exiting ..."); fapi_try_exit: return fapi2::current_err; } + +/// @brief Switching to PIB2PCB Path via cfam +/// +/// @param[in] i_target_chip Reference to TARGET_TYPE_PROC_CHIP +/// @return FAPI2_RC_SUCCESS if success, else error code. +fapi2::ReturnCode p9_start_cbs_switch_to_pib2pcb_path_cfam(const + fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target_chip) +{ + fapi2::buffer<uint32_t> l_read_reg; + FAPI_INF("p9_start_cbs_switch_to_pib2pcb_path_cfam: Entering ..."); + + FAPI_DBG("Reading ROOT_CTRL0_REG"); + FAPI_TRY(fapi2::getCfamRegister(i_target_chip, PERV_ROOT_CTRL0_FSI, l_read_reg)); + + if (!l_read_reg.getBit<PERV_ROOT_CTRL0_SET_PCB_RESET_DC>()) + { + FAPI_DBG("Setting PCB RESET bit in ROOT_CTRL0_REG"); + l_read_reg.setBit<PERV_ROOT_CTRL0_SET_PCB_RESET_DC>(); + FAPI_TRY(fapi2::putCfamRegister(i_target_chip, PERV_ROOT_CTRL0_FSI, l_read_reg)); + } + + if (!l_read_reg.getBit<PERV_ROOT_CTRL0_18_SPARE_MUX_CONTROL>()) + { + FAPI_DBG("Setting PIB2PCB bit in ROOT_CTRL0_REG"); + l_read_reg.setBit<PERV_ROOT_CTRL0_18_SPARE_MUX_CONTROL>(); + FAPI_TRY(fapi2::putCfamRegister(i_target_chip, PERV_ROOT_CTRL0_FSI, l_read_reg)); + } + + if (l_read_reg.getBit<PERV_ROOT_CTRL0_PIB2PCB_DC>()) + { + FAPI_DBG("Clearing FSI2PCB bit in ROOT_CTRL0_REG"); + l_read_reg.clearBit<PERV_ROOT_CTRL0_PIB2PCB_DC>(); + FAPI_TRY(fapi2::putCfamRegister(i_target_chip, PERV_ROOT_CTRL0_FSI, l_read_reg)); + } + + if (l_read_reg.getBit<PERV_ROOT_CTRL0_19_SPARE_MUX_CONTROL>()) + { + FAPI_DBG("Clearing PCB2PCB bit in ROOT_CTRL0_REG"); + l_read_reg.clearBit<PERV_ROOT_CTRL0_19_SPARE_MUX_CONTROL>(); + FAPI_TRY(fapi2::putCfamRegister(i_target_chip, PERV_ROOT_CTRL0_FSI, l_read_reg)); + } + + if (l_read_reg.getBit<PERV_ROOT_CTRL0_SET_PCB_RESET_DC>()) + { + FAPI_DBG("Clearing PCB RESET bit in ROOT_CTRL0_REG"); + l_read_reg.clearBit<PERV_ROOT_CTRL0_SET_PCB_RESET_DC>(); + FAPI_TRY(fapi2::putCfamRegister(i_target_chip, PERV_ROOT_CTRL0_FSI, l_read_reg)); + } + + FAPI_INF("p9_start_cbs_switch_to_pib2pcb_path_cfam: Exiting ..."); + +fapi_try_exit: + return fapi2::current_err; + +} diff --git a/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.H b/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.H index 54469e40a..0dfe4081f 100644 --- a/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.H +++ b/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2015,2017 */ +/* Contributors Listed Below - COPYRIGHT 2015,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -62,4 +62,7 @@ extern "C" const bool i_sbe_start = 0); } +fapi2::ReturnCode p9_start_cbs_switch_to_pib2pcb_path_cfam(const + fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target_chip); + #endif diff --git a/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.mk b/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.mk index d8cf61209..59e87ffa0 100644 --- a/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.mk +++ b/src/import/chips/p9/procedures/hwp/perv/p9_start_cbs.mk @@ -5,7 +5,7 @@ # # OpenPOWER HostBoot Project # -# Contributors Listed Below - COPYRIGHT 2015,2016 +# Contributors Listed Below - COPYRIGHT 2015,2018 # [+] International Business Machines Corp. # # |
