SBE move import`

Change-Id: I726951318cdb19fd445af2f7910e0d6872eff18c
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/29086
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Reviewed-by: AMIT J. TENDOLKAR <amit.tendolkar@in.ibm.com>

1 files changed, 186 insertions, 0 deletions

diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_sbe_fabricinit.C b/src/import/chips/p9/procedures/hwp/nest/p9_sbe_fabricinit.C
new file mode 100755
index 00000000..840ad79b
--- /dev/null
+++ b/src/import/chips/p9/procedures/hwp/nest/p9_sbe_fabricinit.C
@@ -0,0 +1,186 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: import/chips/p9/procedures/hwp/nest/p9_sbe_fabricinit.C $     */
+/*                                                                        */
+/* OpenPOWER sbe Project                                                  */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2016                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+///
+/// @file p9_sbe_fabricinit.C
+/// @brief Initialize island-mode fabric configuration (FAPI2)
+///
+/// @author Joe McGill <jmcgill@us.ibm.com>
+/// @author Christy Graves <clgraves@us.ibm.com>
+///
+
+//
+// *HWP HWP Owner: Joe McGill <jmcgill@us.ibm.com>
+// *HWP FW Owner: Thi Tran <thi@us.ibm.com>
+// *HWP Team: Nest
+// *HWP Level: 2
+// *HWP Consumed by: SBE
+//
+
+//------------------------------------------------------------------------------
+// Includes
+//------------------------------------------------------------------------------
+#include <p9_sbe_fabricinit.H>
+#include <p9_fbc_utils.H>
+#include <p9_misc_scom_addresses.H>
+
+//------------------------------------------------------------------------------
+// Constant definitions
+//------------------------------------------------------------------------------
+
+// FBC SCOM register address definitions
+// TODO: these are currently not present in the generated SCOM adddress header
+//       including locally defined address constants here for testing purposes
+const uint64_t PU_FBC_MODE_REG = 0x05011C0A;
+
+// ADU delay/polling constants
+const uint64_t FABRICINIT_DELAY_HW_NS = 1000; // 1us
+const uint64_t FABRICINIT_DELAY_SIM_CYCLES = 200;
+
+// ADU Command Register field/bit definitions
+const uint32_t ALTD_CMD_START_OP_BIT = 2;
+const uint32_t ALTD_CMD_CLEAR_STATUS_BIT = 3;
+const uint32_t ALTD_CMD_RESET_FSM_BIT = 4;
+const uint32_t ALTD_CMD_ADDRESS_ONLY_BIT = 6;
+const uint32_t ALTD_CMD_LOCK_BIT = 11;
+const uint32_t ALTD_CMD_SCOPE_START_BIT = 16;
+const uint32_t ALTD_CMD_SCOPE_END_BIT = 18;
+const uint32_t ALTD_CMD_DROP_PRIORITY_BIT = 20;
+const uint32_t ALTD_CMD_OVERWRITE_PBINIT_BIT = 22;
+const uint32_t ALTD_CMD_TTYPE_START_BIT = 25;
+const uint32_t ALTD_CMD_TTYPE_END_BIT = 31;
+const uint32_t ALTD_CMD_TSIZE_START_BIT = 32;
+const uint32_t ALTD_CMD_TSIZE_END_BIT = 39;
+
+const uint32_t ALTD_CMD_TTYPE_NUM_BITS = (ALTD_CMD_TTYPE_END_BIT - ALTD_CMD_TTYPE_START_BIT + 1);
+const uint32_t ALTD_CMD_TSIZE_NUM_BITS = (ALTD_CMD_TSIZE_END_BIT - ALTD_CMD_TSIZE_START_BIT + 1);
+const uint32_t ALTD_CMD_SCOPE_NUM_BITS = (ALTD_CMD_SCOPE_END_BIT - ALTD_CMD_SCOPE_START_BIT + 1);
+
+const uint32_t ALTD_CMD_TTYPE_PBOP_EN_ALL = 0x3F;
+const uint32_t ALTD_CMD_TSIZE_PBOP_EN_ALL = 0x0B;
+const uint32_t ALTD_CMD_SCOPE_GROUP = 0x3;
+
+// ADU Status Register field/bit definitions
+const uint32_t ALTD_STATUS_ADDR_DONE_BIT = 2;
+const uint32_t ALTD_STATUS_PBINIT_MISSING_BIT = 18;
+const uint32_t ALTD_STATUS_CRESP_START_BIT = 59;
+const uint32_t ALTD_STATUS_CRESP_END_BIT = 63;
+
+const uint32_t ALTD_STATUS_CRESP_NUM_BITS = (ALTD_STATUS_CRESP_END_BIT - ALTD_STATUS_CRESP_START_BIT + 1);
+
+const uint32_t ALTD_STATUS_CRESP_ACK_DONE = 0x04;
+
+
+//------------------------------------------------------------------------------
+// Function definitions
+//------------------------------------------------------------------------------
+
+
+fapi2::ReturnCode
+p9_sbe_fabricinit(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target)
+{
+    FAPI_INF("Start");
+
+    fapi2::buffer<uint64_t> l_cmd_data;
+    fapi2::buffer<uint64_t> l_status_data_act;
+    fapi2::buffer<uint64_t> l_status_data_exp;
+    bool l_fbc_is_initialized, l_fbc_is_running;
+
+    // check state of fabric pervasive stop control signal
+    // if set, this would prohibit all fabric commands from being broadcast
+    FAPI_DBG("Checking status of FBC stop ...");
+    FAPI_TRY(p9_fbc_utils_get_fbc_state(i_target, l_fbc_is_initialized, l_fbc_is_running),
+             "Error from p9_fbc_utils_get_fbc_state");
+    FAPI_ASSERT(l_fbc_is_running,
+                fapi2::P9_SBE_FABRICINIT_FBC_STOPPED_ERR().
+                set_TARGET(i_target).
+                set_FBC_RUNNING(l_fbc_is_running),
+                "Pervasive stop control is asserted, so fabricinit will not run!");
+
+    // write ADU Command Register to attempt lock acquisition
+    // hold lock until finished with sequence
+    FAPI_DBG("Lock and reset ADU ...");
+    l_cmd_data.setBit<ALTD_CMD_LOCK_BIT>();
+    FAPI_TRY(fapi2::putScom(i_target, PU_ALTD_CMD_REG, l_cmd_data),
+             "Error writing ADU Command Register to acquire lock");
+
+    // clear ADU status/reset state machine
+    l_cmd_data.setBit<ALTD_CMD_CLEAR_STATUS_BIT>()
+    .setBit<ALTD_CMD_RESET_FSM_BIT>();
+    FAPI_TRY(fapi2::putScom(i_target, PU_ALTD_CMD_REG, l_cmd_data),
+             "Error writing ADU Command Register to clear status and reset state machine");
+
+    // launch init command
+    FAPI_INF("Launching fabric init command via ADU ...");
+    l_cmd_data.setBit<ALTD_CMD_START_OP_BIT>()
+    .clearBit<ALTD_CMD_CLEAR_STATUS_BIT>()
+    .clearBit<ALTD_CMD_RESET_FSM_BIT>()
+    .setBit<ALTD_CMD_ADDRESS_ONLY_BIT>()
+    .setBit<ALTD_CMD_DROP_PRIORITY_BIT>()
+    .setBit<ALTD_CMD_OVERWRITE_PBINIT_BIT>();
+    l_cmd_data.insertFromRight<ALTD_CMD_SCOPE_START_BIT, ALTD_CMD_SCOPE_NUM_BITS>(ALTD_CMD_SCOPE_GROUP);
+    l_cmd_data.insertFromRight<ALTD_CMD_TTYPE_START_BIT, ALTD_CMD_TTYPE_NUM_BITS>(ALTD_CMD_TTYPE_PBOP_EN_ALL);
+    l_cmd_data.insertFromRight<ALTD_CMD_TSIZE_START_BIT, ALTD_CMD_TSIZE_NUM_BITS>(ALTD_CMD_TSIZE_PBOP_EN_ALL);
+    FAPI_TRY(fapi2::putScom(i_target, PU_ALTD_CMD_REG, l_cmd_data),
+             "Error writing ADU Command Register to launch init operation");
+
+    // delay prior to checking for completion
+    FAPI_TRY(fapi2::delay(FABRICINIT_DELAY_HW_NS, FABRICINIT_DELAY_SIM_CYCLES),
+             "Error from delay");
+
+    // read ADU Status Register and check for expected pattern
+    FAPI_DBG("Checking status of ADU operation ...");
+    FAPI_TRY(fapi2::getScom(i_target, PU_ALTD_STATUS_REG, l_status_data_act),
+             "Error polling ADU Status Register");
+
+    l_status_data_exp.setBit<ALTD_STATUS_ADDR_DONE_BIT>();
+    l_status_data_exp.insertFromRight<ALTD_STATUS_CRESP_START_BIT, ALTD_STATUS_CRESP_NUM_BITS>(ALTD_STATUS_CRESP_ACK_DONE);
+
+    FAPI_ASSERT(l_status_data_exp == l_status_data_act,
+                fapi2::P9_SBE_FABRICINIT_FAILED_ERR().set_TARGET(i_target).
+                set_ADU_STATUS_EXP(l_status_data_act).
+                set_ADU_STATUS_ACT(l_status_data_act),
+                "Fabric init failed, or mismatch in expected ADU status!");
+
+    // clear ADU Command Register to release lock
+    FAPI_DBG("Success! Releasing ADU lock ...");
+    l_cmd_data = 0;
+    FAPI_TRY(fapi2::putScom(i_target, PU_ALTD_CMD_REG, l_cmd_data),
+             "Error writing ADU Command Register to release lock");
+
+    // confirm that fabric was successfully initialized
+    FAPI_DBG("Verifying status of FBC init/stop ...");
+    FAPI_TRY(p9_fbc_utils_get_fbc_state(i_target, l_fbc_is_initialized, l_fbc_is_running),
+             "Error from p9_fbc_utils_get_fbc_state");
+    FAPI_ASSERT(l_fbc_is_initialized && l_fbc_is_running,
+                fapi2::P9_SBE_FABRICINIT_NO_INIT_ERR().
+                set_TARGET(i_target).
+                set_FBC_INITIALIZED(l_fbc_is_initialized).
+                set_FBC_RUNNING(l_fbc_is_running),
+                "ADU command succeded, but fabric was not cleanly initialized!");
+
+fapi_try_exit:
+    FAPI_INF("End");
+    return fapi2::current_err;
+}