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-rwxr-xr-xsrc/import/chips/p9/procedures/hwp/nest/p9_l2_flush.C115
-rwxr-xr-xsrc/import/chips/p9/procedures/hwp/nest/p9_l2_flush.H23
-rw-r--r--src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.C184
-rw-r--r--src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.H55
-rwxr-xr-xsrc/import/chips/p9/procedures/xml/error_info/p9_l2_flush_errors.xml13
-rw-r--r--src/import/chips/p9/procedures/xml/error_info/p9_l3_flush_errors.xml32
6 files changed, 199 insertions, 223 deletions
diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.C b/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.C
index 19d96483..dc435895 100755
--- a/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.C
+++ b/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.C
@@ -5,7 +5,7 @@
/* */
/* OpenPOWER sbe Project */
/* */
-/* Contributors Listed Below - COPYRIGHT 2015,2016 */
+/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
@@ -22,50 +22,29 @@
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
+
///
/// @file p9_l2_flush.H
/// @brief Flush the P9 L2 cache (FAPI)
///
/// *HWP HWP Owner : Benjamin Gass <bgass@us.ibm.com>
-/// *HWP FW Owner : Bilicon Patil <bilpatil@in.ibm.com>
+/// *HWP FW Owner : Thi Tran <thi@us.ibm.com>
/// *HWP Team : Quad
-/// *HWP Consumed by : FSP
-/// *HWP Level : 2
+/// *HWP Consumed by : FSP and SBE
+/// *HWP Level : 3
///
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
-#include <p9_quad_scom_addresses.H>
#include <p9_l2_flush.H>
+#include <p9_quad_scom_addresses.H>
+#include <p9_quad_scom_addresses_fld.H>
//------------------------------------------------------------------------------
// Constant definitions
//------------------------------------------------------------------------------
-// L2 Purge Engine Command Register bit/field definitions
-enum
-{
- PURGE_CMD_TRIGGER_BIT = 0,
- PURGE_CMD_REG_BUSY = 9,
- PURGE_CMD_PRGSM_BUSY_ON_THIS_BIT = 10,
- PURGE_CMD_PRGSM_BUSY_BIT = 11,
- PURGE_CMD_ERR_BIT = 29,
- PURGE_CMD_TYPE_BIT = 1,
- PURGE_CMD_MEM_BIT = 17,
- PURGE_CMD_BANK_BIT = 28,
- PURGE_CMD_CGC_BIT = 20
-};
-
-// L2 Purge Engine Command Register bit/field Lengths
-enum
-{
- PURGE_CMD_TYPE_BIT_LENGTH = 4,
- PURGE_CMD_MEM_BIT_LENGTH = 3,
- PURGE_CMD_BANK_BIT_LENGTH = 1,
- PURGE_CMD_CGC_BIT_LENGTH = 8
-};
-
// polling constants
enum
{
@@ -78,19 +57,19 @@ enum
// Function definitions
//------------------------------------------------------------------------------
-//------------------------------------------------------------------------------
+///-----------------------------------------------------------------------------
+/// @brief Utility subroutine to initiate L2 cache flush via purge engine.
///
-/// @brief l2_flush_start: Utility subroutine to initiate L2 cache flush
-/// via purge engine
-/// @param[in] i_target Ex target
-/// @param[in] i_regAddr The scom address to use
+/// @param[in] i_target EX target
+/// @param[in] i_regAddr The scom address to use
/// @param[in] i_purgeData Structure having values for MEM, CGC, BANK
/// passed by the user
+///
/// @return FAPI2_RC_SUCCESS if purge operation was started,
/// RC_P9_L2_FLUSH_PURGE_REQ_OUTSTANDING if a prior purge
/// operation has not yet completed
/// else FAPI getscom/putscom return code for failing operation
-//------------------------------------------------------------------------------
+///-----------------------------------------------------------------------------
fapi2::ReturnCode l2_flush_start(
const fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target,
const uint32_t i_regAddr,
@@ -99,7 +78,7 @@ fapi2::ReturnCode l2_flush_start(
fapi2::buffer<uint64_t> l_cmdReg;
fapi2::buffer<uint64_t> l_purgeCmd;
- FAPI_INF("l2_flush_start: Enter");
+ FAPI_DBG("l2_flush_start: Enter");
// ensure that purge engine is idle before starting flush
// poll Purge Engine status
@@ -107,7 +86,7 @@ fapi2::ReturnCode l2_flush_start(
FAPI_TRY(fapi2::getScom(i_target, i_regAddr, l_cmdReg));
// check to see if this reg is idle and ready to accept a new command
- FAPI_ASSERT(!l_cmdReg.getBit<PURGE_CMD_REG_BUSY>(),
+ FAPI_ASSERT(!l_cmdReg.getBit<EX_PRD_PURGE_CMD_REG_BUSY>(),
fapi2::P9_L2_FLUSH_PURGE_REQ_OUTSTANDING()
.set_TARGET(i_target)
.set_CMD_REG(l_cmdReg)
@@ -118,34 +97,33 @@ fapi2::ReturnCode l2_flush_start(
// ensure PURGE_CMD_TYPE/MEM/CGC/BANK are clear to specify flush
// of entire cache
FAPI_DBG("Write L2 Purge Engine Command Register to initiate cache flush");
- l_purgeCmd.insert<PURGE_CMD_TYPE_BIT,
- PURGE_CMD_TYPE_BIT_LENGTH>(i_purgeData.iv_cmdType);
+ l_purgeCmd.insert<EX_PRD_PURGE_CMD_REG_TYPE,
+ EX_PRD_PURGE_CMD_REG_TYPE_LEN>(i_purgeData.iv_cmdType);
- l_purgeCmd.insert<PURGE_CMD_MEM_BIT,
- PURGE_CMD_MEM_BIT_LENGTH>(i_purgeData.iv_cmdMem);
+ l_purgeCmd.insert<EX_PRD_PURGE_CMD_REG_MEM,
+ EX_PRD_PURGE_CMD_REG_MEM_LEN>(i_purgeData.iv_cmdMem);
- l_purgeCmd.insert<PURGE_CMD_BANK_BIT,
- PURGE_CMD_BANK_BIT_LENGTH>(i_purgeData.iv_cmdBank);
+ l_purgeCmd.insert<EX_PRD_PURGE_CMD_REG_BANK, 1>(i_purgeData.iv_cmdBank);
- l_purgeCmd.insert<PURGE_CMD_CGC_BIT,
- PURGE_CMD_CGC_BIT_LENGTH>(i_purgeData.iv_cmdCGC);
+ l_purgeCmd.insert<EX_PRD_PURGE_CMD_REG_CGC,
+ EQ_PRD_PURGE_CMD_REG_CGC_LEN>(i_purgeData.iv_cmdCGC);
- l_purgeCmd.setBit<PURGE_CMD_TRIGGER_BIT>();
+ l_purgeCmd.setBit<EX_PRD_PURGE_CMD_REG_TRIGGER>();
FAPI_TRY(fapi2::putScom(i_target, i_regAddr, l_purgeCmd));
fapi_try_exit:
+ FAPI_DBG("l2_flush_start: Exit");
return fapi2::current_err;
}
-
-//------------------------------------------------------------------------------
+///-----------------------------------------------------------------------------
+/// @brief Utility subroutine to poll L2 purge engine status, looking for
+/// clean idle state.
///
-/// @brief l2_flush_check_status: Utility subroutine to poll L2 purge
-/// engine status, looking for clean idle
-/// state
/// @param[in] i_target EX chiplet target
/// @param[in] i_regAddr Purge engine register SCOM address
+///
/// @return FAPI2_RC_SUCCESS if engine status returns as idle (with no errors)
/// before maximum number of polls has been reached
/// RC_P9_L2_FLUSH_CMD_ERROR
@@ -153,8 +131,7 @@ fapi_try_exit:
/// RC_P9_L2_FLUSH_CMD_TIMEOUT
/// if purge operation did not complete prior to polling limit,
/// else FAPI getscom/putscom return code for failing operation
-///
-//------------------------------------------------------------------------------
+///-----------------------------------------------------------------------------
fapi2::ReturnCode l2_flush_check_status(
const fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target,
const uint32_t i_regAddr)
@@ -162,7 +139,7 @@ fapi2::ReturnCode l2_flush_check_status(
fapi2::buffer<uint64_t> l_cmdReg;
uint32_t l_polls = 1;
- FAPI_INF("l2_flush_check_status: Enter");
+ FAPI_DBG("l2_flush_check_status: Enter");
while(1)
{
@@ -171,15 +148,15 @@ fapi2::ReturnCode l2_flush_check_status(
FAPI_TRY(fapi2::getScom(i_target, i_regAddr, l_cmdReg));
// check state of PURGE_CMD_ERR
- FAPI_ASSERT(!l_cmdReg.getBit<PURGE_CMD_ERR_BIT>(),
+ FAPI_ASSERT(!l_cmdReg.getBit<EX_PRD_PURGE_CMD_REG_ERR>(),
fapi2::P9_L2_FLUSH_CMD_ERROR()
.set_TARGET(i_target)
.set_CMD_REG(l_cmdReg)
.set_CMD_REG_ADDR(i_regAddr),
- "Purge failed. PURGE_CMD_ERR_BIT set");
+ "Purge failed. EX_PRD_PURGE_CMD_REG_ERR set");
// check to see if this reg is idle and ready to accept a new command
- if (!l_cmdReg.getBit<PURGE_CMD_REG_BUSY>())
+ if (!l_cmdReg.getBit<EX_PRD_PURGE_CMD_REG_BUSY>())
{
FAPI_DBG("Purge engine idle");
break;
@@ -188,9 +165,9 @@ fapi2::ReturnCode l2_flush_check_status(
// engine busy, dump status
FAPI_DBG("Purge engine busy (reg_busy = %d, busy_on_this = %d,"
" sm_busy = %d)",
- l_cmdReg.getBit<PURGE_CMD_REG_BUSY>(),
- l_cmdReg.getBit<PURGE_CMD_PRGSM_BUSY_ON_THIS_BIT>(),
- l_cmdReg.getBit<PURGE_CMD_PRGSM_BUSY_BIT>());
+ l_cmdReg.getBit<EX_PRD_PURGE_CMD_REG_BUSY>(),
+ l_cmdReg.getBit<EX_PRD_PURGE_CMD_REG_PRGSM_BUSY_ON_THIS>(),
+ l_cmdReg.getBit<EX_PRD_PURGE_CMD_REG_PRGSM_BUSY>());
// check if loop count has expired
FAPI_ASSERT((l_polls < P9_L2_FLUSH_MAX_POLLS),
@@ -205,26 +182,28 @@ fapi2::ReturnCode l2_flush_check_status(
FAPI_DBG("%d loops done, delaying before next poll", l_polls);
FAPI_TRY(fapi2::delay(P9_L2_FLUSH_HW_NS_DELAY,
- P9_L2_FLUSH_SIM_CYCLE_DELAY),
- "fapi delay Error");
+ P9_L2_FLUSH_SIM_CYCLE_DELAY));
l_polls++;
}
fapi_try_exit:
+ FAPI_DBG("l2_flush_check_status: Exit");
return fapi2::current_err;
}
//------------------------------------------------------------------------------
// Hardware Procedure
+// See doxygen in header file.
//------------------------------------------------------------------------------
-fapi2::ReturnCode p9_l2_flush(const fapi2::Target < fapi2::TARGET_TYPE_EX >
- & i_target,
- const p9core::purgeData_t& i_purgeData)
+fapi2::ReturnCode p9_l2_flush(
+ const fapi2::Target <fapi2::TARGET_TYPE_EX>& i_target,
+ const p9core::purgeData_t& i_purgeData)
{
- FAPI_DBG("i_purgeData [iv_cmdType: 0x%x] [iv_cmdMem : 0x%x] "
- "[iv_cmdBank: 0x%x] [iv_cmdCGC : 0x%x]", i_purgeData.iv_cmdType,
- i_purgeData.iv_cmdMem, i_purgeData.iv_cmdBank, i_purgeData.iv_cmdCGC);
+ FAPI_DBG("Entering p9_l2_flush: i_purgeData [iv_cmdType: 0x%x] "
+ "[iv_cmdMem : 0x%x] [iv_cmdBank: 0x%x] [iv_cmdCGC : 0x%x]",
+ i_purgeData.iv_cmdType, i_purgeData.iv_cmdMem,
+ i_purgeData.iv_cmdBank, i_purgeData.iv_cmdCGC);
uint32_t l_regAddr = EX_PRD_PURGE_CMD_REG;
@@ -236,7 +215,7 @@ fapi2::ReturnCode p9_l2_flush(const fapi2::Target < fapi2::TARGET_TYPE_EX >
FAPI_TRY(l2_flush_check_status(i_target, l_regAddr));
fapi_try_exit:
- FAPI_INF("l2_flush, Ex: Exit");
+ FAPI_DBG("p9_l2_flush: Exit");
return fapi2::current_err;
}
diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.H b/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.H
index 35738cc6..a54ad639 100755
--- a/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.H
+++ b/src/import/chips/p9/procedures/hwp/nest/p9_l2_flush.H
@@ -5,7 +5,7 @@
/* */
/* OpenPOWER sbe Project */
/* */
-/* Contributors Listed Below - COPYRIGHT 2015,2016 */
+/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
@@ -22,15 +22,16 @@
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
+
///
/// @file p9_l2_flush.H
/// @brief Flush the P9 L2 cache (FAPI)
///
/// *HWP HWP Owner : Benjamin Gass <bgass@us.ibm.com>
-/// *HWP FW Owner : Bilicon Patil <bilpatil@in.ibm.com>
+/// *HWP FW Owner : Thi Tran <thi@us.ibm.com>
/// *HWP Team : Quad
-/// *HWP Consumed by : FSP
-/// *HWP Level : 2
+/// *HWP Consumed by : FSP and SBE
+/// *HWP Level : 3
///
/// Procedure Additional Comments:
///
@@ -60,9 +61,8 @@
#include <fapi2.H>
//------------------------------------------------------------------------------
-// Constants
+// Structure definitions
//------------------------------------------------------------------------------
-
namespace p9core
{
@@ -84,13 +84,8 @@ struct purgeData_t
} // end of p9core namespace
//------------------------------------------------------------------------------
-// Structure definitions
-//------------------------------------------------------------------------------
-
-//------------------------------------------------------------------------------
// Function prototypes
//------------------------------------------------------------------------------
-
typedef fapi2::ReturnCode (*p9_l2_flush_FP_t)
(const fapi2::Target < fapi2::TARGET_TYPE_EX >& i_target,
const p9core::purgeData_t& i_purgeData);
@@ -99,12 +94,10 @@ extern "C"
{
///
-/// @brief p9_l2_flush HWP to flush entire content of L2 cache via purge engine
-/// @param[in] i_target Ex target
+/// @brief Flush entire content of L2 cache via purge engine
+/// @param[in] i_target EX target
/// @param[in] i_purgeData Specifies a particular purge type
/// @return: FAPI2_RC_SUCCESS if purge operation completes successfully,
-/// RC_P9_L2_FLUSH_UNKNOWN_PLATFORM
-/// if executed on unsupported platform,
/// RC_P9_L2_FLUSH_PURGE_REQ_OUTSTANDING
/// if called when existing L2 purge is in progress,
/// RC_P9_L2_FLUSH_CMD_TIMEOUT
diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.C b/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.C
index e7ba964f..6a9346f3 100644
--- a/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.C
+++ b/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.C
@@ -22,20 +22,18 @@
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
-//--------------------------------------------------------------------------
-//
-//
+
+///-----------------------------------------------------------------------------
+///
/// @file p9_l3_flush.C
-/// @brief Initiates an L3 purge request and spins until completion
+/// @brief Initiates an L3 purge request
///
-// *HWP HWP Owner Christina Graves clgraves@us.ibm.com
-// *HWP FW Owner: Thi Tran thi@us.ibm.com
-// *HWP Team: Nest
-// *HWP Level: 2
-// *HWP Consumed by: HB
-//
-//--------------------------------------------------------------------------
-
+/// *HWP HWP Owner: Benjamin Gass <bgass@us.ibm.com>
+/// *HWP FW Owner: Thi Tran thi@us.ibm.com
+/// *HWP Team: Nest
+/// *HWP Level: 3
+/// *HWP Consumed by: FSP and SBE
+/// ----------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Includes
@@ -44,102 +42,100 @@
#include <p9_quad_scom_addresses.H>
#include <p9_quad_scom_addresses_fld.H>
-extern "C" {
-
//--------------------------------------------------------------------------
// Constant definitions
//--------------------------------------------------------------------------
-//L3 purge operation delay times for HW/sim
- const uint32_t P9_L3_FLUSH_HW_NS_DELAY = 50000;
- const uint32_t P9_L3_FLUSH_SIM_CYCLE_DELAY = 1000000;
+// L3 purge operation delay times for HW/sim
+const uint32_t P9_L3_FLUSH_HW_NS_DELAY = 50000;
+const uint32_t P9_L3_FLUSH_SIM_CYCLE_DELAY = 1000000;
-//If the L3 purge is not completed in P9_L3_FLUSH_TIMEOUT delays, fail with error
- const uint32_t P9_L3_FLUSH_TIMEOUT_COUNT = 40;
+// If the L3 purge is not completed in P9_L3_FLUSH_TIMEOUT delays, fail with error
+const uint32_t P9_L3_FLUSH_TIMEOUT_COUNT = 40;
//--------------------------------------------------------------------------
// HWP entry point
//--------------------------------------------------------------------------
- fapi2::ReturnCode p9_l3_flush(const
- fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target,
- const uint32_t i_purge_type,
- const uint32_t i_purge_addr/*,
- const uint32_t i_purge_member*/)
- {
- // mark HWP entry
- FAPI_DBG("Entering ...\n");
-
- fapi2::buffer<uint64_t> purge_reg_data(0x0);
- uint32_t purge_pending_count = 0;
-
- //Make sure that the inputs are acceptable
- //Make sure the purge type is full purge, single purge, single delete, full blind, or dynamic
- //Make sure that the purge address fits withing bits 17:28
- FAPI_ASSERT(!((i_purge_type != L3_FULL_PURGE) &&
- (i_purge_type != L3_SINGLE_PURGE) &&
- (i_purge_type != L3_FULL_BLIND_PURGE) &&
- (i_purge_type != L3_DYNAMIC_PURGE)) &&
- (i_purge_addr < 0x1000) /*&&
- (i_purge_member < 0x20) */
- , fapi2::P9_L3_FLUSH_INVALID_ARGS_ERR().set_TARGET(i_target).set_PURGETYPE(i_purge_type).set_PURGEADDR(
- i_purge_addr)/*.set_PURGEMEMBER(i_purge_member)*/, "i_purge_type is not a compatible type");
-
- //Make sure that another flush is not happening
- FAPI_DBG("Verifying that a previous flush is not active");
- FAPI_TRY(fapi2::getScom(i_target, EX_PRD_PURGE_REG, purge_reg_data), "Error reading from the PRD_PURGE_REG");
- FAPI_ASSERT(!(purge_reg_data.getBit<EX_PRD_PURGE_REG_L3_REQ>()),
- fapi2::P9_L3_FLUSH_PREVIOUS_PURGE_ACTIVE_ERR().set_TARGET(i_target).set_PURGEREG(purge_reg_data),
- "Previous Purge request has not completed error");
-
- //Since there is no previous purge, build the purge request
-
- //Flush the data and sset the req bit to initiate the purge
- purge_reg_data.flush<0>().setBit<EX_PRD_PURGE_REG_L3_REQ>();
-
- //set the type of the purge
- purge_reg_data.insertFromRight < EX_PRD_PURGE_REG_L3_TTYPE,
- EX_PRD_PURGE_REG_L3_TTYPE_LEN > (i_purge_type);
-
- //set the address of where to start for the address
- purge_reg_data.insertFromRight < EX_PRD_PURGE_REG_L3_DIR_ADDR,
- EX_PRD_PURGE_REG_L3_DIR_ADDR_LEN> (i_purge_addr);
-
- /*
- //set the member if singe line delete/purge
- if ((i_purge_type == L3_SINGLE_PURGE) || (i_purge_type == L3_SINGLE_DELETE))
- {
- purge_reg_data.insertFromRight<EX_PRD_PURGE_REG_L3_MEMBER, EX_PRD_PURGE_REG_L3_MEMBER_LEN>(i_purge_member);
- }*/
- //Write the purge request
- FAPI_TRY(fapi2::putScom(i_target, EX_PRD_PURGE_REG, purge_reg_data), "Error writing to the PRD_PURGE_REG");
-
- //Spin on PRD_PURGE_REQ until hardware clears it
- while(purge_pending_count < P9_L3_FLUSH_TIMEOUT_COUNT)
- {
- FAPI_DBG("Waiting for purge to complete...");
-
- FAPI_TRY(fapi2::delay(P9_L3_FLUSH_HW_NS_DELAY, P9_L3_FLUSH_SIM_CYCLE_DELAY), "Error from P9 L3 flush delay");
+// TODO: RTC 177535 - Do we support SINGLE_PURGE/DELETE?
+fapi2::ReturnCode p9_l3_flush(
+ const fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target,
+ const uint32_t i_purge_type,
+ const uint32_t i_purge_addr)
+{
+ // mark HWP entry
+ FAPI_DBG("Entering ...\n");
+
+ fapi2::buffer<uint64_t> purge_reg_data(0x0);
+ uint32_t purge_pending_count = 0;
+
+ //Make sure that the inputs are acceptable
+ //Make sure the purge type is full purge, single purge, single delete, full blind, or dynamic
+ //Make sure that the purge address fits withing bits 17:28
+ FAPI_ASSERT(!((i_purge_type != L3_FULL_PURGE) &&
+ (i_purge_type != L3_SINGLE_PURGE) &&
+ (i_purge_type != L3_FULL_BLIND_PURGE) &&
+ (i_purge_type != L3_DYNAMIC_PURGE)) &&
+ (i_purge_addr < 0x1000),
+ fapi2::P9_L3_FLUSH_INVALID_ARGS_ERR()
+ .set_TARGET(i_target)
+ .set_PURGETYPE(i_purge_type)
+ .set_PURGEADDR(i_purge_addr),
+ "i_purge_type is not a compatible type");
+
+ //Make sure that another flush is not happening
+ FAPI_DBG("Verifying that a previous flush is not active");
+ FAPI_TRY(fapi2::getScom(i_target, EX_PRD_PURGE_REG, purge_reg_data));
+ FAPI_ASSERT(!(purge_reg_data.getBit<EX_PRD_PURGE_REG_L3_REQ>()),
+ fapi2::P9_L3_FLUSH_PREVIOUS_PURGE_ACTIVE_ERR()
+ .set_TARGET(i_target)
+ .set_PURGEREG(purge_reg_data),
+ "Previous Purge request has not completed error");
+
+ //Since there is no previous purge, build the purge request
+
+ //Flush the data and set the req bit to initiate the purge
+ purge_reg_data.flush<0>().setBit<EX_PRD_PURGE_REG_L3_REQ>();
+
+ //set the type of the purge
+ purge_reg_data.insertFromRight<EX_PRD_PURGE_REG_L3_TTYPE,
+ EX_PRD_PURGE_REG_L3_TTYPE_LEN> (i_purge_type);
+
+ //set the address of where to start for the address
+ purge_reg_data.insertFromRight<EX_PRD_PURGE_REG_L3_DIR_ADDR,
+ EX_PRD_PURGE_REG_L3_DIR_ADDR_LEN> (i_purge_addr);
+
+ //Write the purge request
+ FAPI_TRY(fapi2::putScom(i_target, EX_PRD_PURGE_REG, purge_reg_data));
+
+ //Spin on PRD_PURGE_REQ until hardware clears it
+ while(purge_pending_count < P9_L3_FLUSH_TIMEOUT_COUNT)
+ {
+ FAPI_DBG("Waiting for purge to complete...");
- FAPI_TRY(fapi2::getScom(i_target, EX_PRD_PURGE_REG, purge_reg_data), "Error reading from the PRD_PURGE_REG");
+ FAPI_TRY(fapi2::delay(P9_L3_FLUSH_HW_NS_DELAY,
+ P9_L3_FLUSH_SIM_CYCLE_DELAY));
- if (!purge_reg_data.getBit<EX_PRD_PURGE_REG_L3_REQ>())
- {
- FAPI_DBG("Purge complete!");
- break;
- }
+ FAPI_TRY(fapi2::getScom(i_target, EX_PRD_PURGE_REG, purge_reg_data));
- purge_pending_count++;
+ if (!purge_reg_data.getBit<EX_PRD_PURGE_REG_L3_REQ>())
+ {
+ FAPI_DBG("Purge complete!");
+ break;
}
- FAPI_ASSERT(purge_pending_count < P9_L3_FLUSH_TIMEOUT_COUNT,
- fapi2::P9_L3_FLUSH_PURGE_REQ_TIMEOUT_ERR().set_TARGET(i_target).set_PURGETYPE(i_purge_type).set_PURGEADDR(
- i_purge_addr)/*set_PURGEMEMBER(i_purge_member)*/, "Purge did not complete in time");
-
- fapi_try_exit:
- FAPI_DBG("Exiting...");
- return fapi2::current_err;
+ purge_pending_count++;
}
-} // extern "C"
-
+ FAPI_ASSERT(purge_pending_count < P9_L3_FLUSH_TIMEOUT_COUNT,
+ fapi2::P9_L3_FLUSH_PURGE_REQ_TIMEOUT_ERR()
+ .set_TARGET(i_target)
+ .set_PURGETYPE(i_purge_type)
+ .set_PURGEADDR(i_purge_addr)
+ .set_EX_PRD_PURGE_REG_DATA(purge_reg_data),
+ "Purge did not complete in time.");
+
+fapi_try_exit:
+ FAPI_DBG("Exiting...");
+ return fapi2::current_err;
+}
diff --git a/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.H b/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.H
index 80db8213..57183fe9 100644
--- a/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.H
+++ b/src/import/chips/p9/procedures/hwp/nest/p9_l3_flush.H
@@ -5,7 +5,7 @@
/* */
/* OpenPOWER sbe Project */
/* */
-/* Contributors Listed Below - COPYRIGHT 2015,2016 */
+/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
@@ -22,17 +22,18 @@
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
-//-----------------------------------------------------------------------------------
+
+///-----------------------------------------------------------------------------
///
/// @file p9_l3_flush.H
/// @brief Initiates an L3 purge request
-//
-// *HWP HWP Owner: Christina Graves clgraves@us.ibm.com
-// *HWP FW Owner: Thi Tran thi@us.ibm.com
-// *HWP Team: Nest
-// *HWP Level: 2
-// *HWP Consumed by: HB
-// ----------------------------------------------------------------------------------
+///
+/// *HWP HWP Owner: Benjamin Gass <bgass@us.ibm.com>
+/// *HWP FW Owner: Thi Tran thi@us.ibm.com
+/// *HWP Team: Nest
+/// *HWP Level: 3
+/// *HWP Consumed by: FSP and SBE
+/// ----------------------------------------------------------------------------
#ifndef P9_L3_FLUSH_
#define P9_L3_FLUSH_
@@ -40,49 +41,43 @@
//-------------------------------------------------------
// Includes
//-------------------------------------------------------
-
#include <fapi2.H>
-//-------------------------------------------------------
-// Structure definitions
-//-------------------------------------------------------
-
-//Function pointer typedef definition for HWP call support
-typedef fapi2::ReturnCode
-(*p9_l3_flush_FP_t) (const fapi2::Target<fapi2::TARGET_TYPE_EX>&,
- const uint32_t,
- const uint32_t);
-
-
-//-------------------------------------------------------
+//--------------------------------------------------------------------------
// Constant definitions
-//-------------------------------------------------------
-
+//--------------------------------------------------------------------------
// L3 Purge ttype dials
-const uint32_t L3_FULL_PURGE = 0;
-const uint32_t L3_SINGLE_PURGE = 1;
-const uint32_t L3_SINGLE_DELETE = 2;
+const uint32_t L3_FULL_PURGE = 0;
+const uint32_t L3_SINGLE_PURGE = 1;
+const uint32_t L3_SINGLE_DELETE = 2;
const uint32_t L3_FULL_BLIND_PURGE = 4;
-const uint32_t L3_DYNAMIC_PURGE = 5;
+const uint32_t L3_DYNAMIC_PURGE = 5;
//--------------------------------------------------------
// Function prototypes
//--------------------------------------------------------
+//Function pointer typedef definition for HWP call support
+typedef fapi2::ReturnCode (*p9_l3_flush_FP_t)
+(const fapi2::Target<fapi2::TARGET_TYPE_EX>&,
+ const uint32_t,
+ const uint32_t);
extern "C"
{
/// @brief Initiates an L3 purge request and spins until completion
+///
/// @param[in] i_target => EX chiplet target
/// @param[in] i_purge_type => type of purge to execute
/// @param[in] i_purge_addr => directory address to begin the purge
-/// @return FAPI_RC_SUCCESS if the read/write completes successfully
+///
+/// @return FAPI_RC_SUCCESS if the purge operation completes successfully
+///
fapi2::ReturnCode p9_l3_flush(
const fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target,
const uint32_t i_purge_type,
const uint32_t i_purge_addr);
-
}//extern "C"
#endif //P9_L3_FLUSH_
diff --git a/src/import/chips/p9/procedures/xml/error_info/p9_l2_flush_errors.xml b/src/import/chips/p9/procedures/xml/error_info/p9_l2_flush_errors.xml
index 3b36b849..81d10dd0 100755
--- a/src/import/chips/p9/procedures/xml/error_info/p9_l2_flush_errors.xml
+++ b/src/import/chips/p9/procedures/xml/error_info/p9_l2_flush_errors.xml
@@ -96,20 +96,11 @@
<deconfigure>
<target>TARGET</target>
</deconfigure>
- </hwpError>
- <!-- ********************************************************************* -->
- <hwpError>
- <rc>RC_P9_L2_FLUSH_UNKNOWN_PLATFORM</rc>
- <ffdc>TARGET</ffdc>
- <ffdc>PLATFORM</ffdc>
- <description>
- Procedure: p9_l2_flush
- Unable to determine which scom registers to use for the current platform.
- </description>
<callout>
<procedure>CODE</procedure>
- <priority>HIGH</priority>
+ <priority>LOW</priority>
</callout>
</hwpError>
<!-- ********************************************************************* -->
+
</hwpErrors>
diff --git a/src/import/chips/p9/procedures/xml/error_info/p9_l3_flush_errors.xml b/src/import/chips/p9/procedures/xml/error_info/p9_l3_flush_errors.xml
index 5855bd14..33f1ddf7 100644
--- a/src/import/chips/p9/procedures/xml/error_info/p9_l3_flush_errors.xml
+++ b/src/import/chips/p9/procedures/xml/error_info/p9_l3_flush_errors.xml
@@ -5,7 +5,7 @@
<!-- -->
<!-- OpenPOWER sbe Project -->
<!-- -->
-<!-- Contributors Listed Below - COPYRIGHT 2015,2016 -->
+<!-- Contributors Listed Below - COPYRIGHT 2015,2017 -->
<!-- [+] International Business Machines Corp. -->
<!-- -->
<!-- -->
@@ -28,22 +28,33 @@
<rc>RC_P9_L3_FLUSH_INVALID_ARGS_ERR</rc>
<description>
Procedure: p9_l3_flush
- L3 flush not attempted, L3 flush is stopped
+ Invalid parameters passed in for a L3 flush operation.
</description>
<ffdc>TARGET</ffdc>
<ffdc>PURGETYPE</ffdc>
<ffdc>PURGEADDR</ffdc>
- <ffdc>PURGEMEMBER</ffdc>
+ <callout>
+ <procedure>CODE</procedure>
+ <priority>HIGH</priority>
+ </callout>
</hwpError>
<!-- ******************************************************************** -->
<hwpError>
<rc>RC_P9_L3_FLUSH_PREVIOUS_PURGE_ACTIVE_ERR</rc>
<description>
Procedure: p9_l3_flush
- There is another purge that has not finished yet
+ A previous L3 purge request has not finished.
</description>
<ffdc>TARGET</ffdc>
<ffdc>PURGEREG</ffdc>
+ <callout>
+ <procedure>CODE</procedure>
+ <priority>HIGH</priority>
+ </callout>
+ <callout>
+ <target>TARGET</target>
+ <priority>LOW</priority>
+ </callout>
</hwpError>
<!-- ******************************************************************** -->
<hwpError>
@@ -55,7 +66,18 @@
<ffdc>TARGET</ffdc>
<ffdc>PURGETYPE</ffdc>
<ffdc>PURGEADDR</ffdc>
- <ffdc>PURGEMEMBER</ffdc>
+ <ffdc>EX_PRD_PURGE_REG_DATA</ffdc>
+ <callout>
+ <target>TARGET</target>
+ <priority>HIGH</priority>
+ </callout>
+ <deconfigure>
+ <target>TARGET</target>
+ </deconfigure>
+ <callout>
+ <procedure>CODE</procedure>
+ <priority>LOW</priority>
+ </callout>
</hwpError>
<!-- ******************************************************************** -->
</hwpErrors>
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