STOP: Add global checkstop FIR check in CME/SGPE

Change-Id: Ic3559a9c9ee697e44bcef283acb806dbdffbd5fc
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/39243
Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: AMIT KUMAR <akumar3@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>

6 files changed, 62 insertions, 36 deletions

diff --git a/import/chips/p9/procedures/ppe_closed/cme/cme_panic_codes.h b/import/chips/p9/procedures/ppe_closed/cme/cme_panic_codes.h
index aa8faab5..c490d9db 100644
--- a/import/chips/p9/procedures/ppe_closed/cme/cme_panic_codes.h
+++ b/import/chips/p9/procedures/ppe_closed/cme/cme_panic_codes.h
@@ -42,7 +42,7 @@
 
 // The following are reserved for instance specific use.
 
-CME_UIH_DISABLED_NOT_LAST_LVL       = 0x1c00,
+CME_UIH_DISABLED_NOT_LAST_LVL       = 0x1c00, // Setup or Common Error
 CME_UIH_NOT_ALL_IN_PRTY_GROUP       = 0x1c01,
 CME_UIH_EIMR_STACK_UNDERFLOW        = 0x1c02,
 CME_UIH_EIMR_STACK_OVERFLOW         = 0x1c03,
@@ -50,25 +50,25 @@ CME_UIH_PHANTOM_INTERRUPT           = 0x1c04,
 CME_STOP_NO_PARTIAL_GOOD_CORE       = 0x1c05,
 CME_STOP_PUTRING_HEADER_ERROR       = 0x1c06,
 CME_STOP_BCE_CORE_RING_FAILED       = 0x1c07,
-CME_STOP_EXIT_PHANTOM_WAKEUP        = 0x1c08,
-CME_STOP_EXIT_BCE_SCOM_FAILED       = 0x1c09,
-CME_STOP_EXIT_SELF_RES_SPATTN       = 0x1c0a,
-CME_STOP_EXIT_STARTCLK_FAILED       = 0x1c0d,
-CME_STOP_ENTRY_STOPCLK_FAILED       = 0x1c1c,
-CME_STOP_ENTRY_XSTOP_ERROR          = 0x1c1d,
-CME_STOP_ENTRY_WITH_AUTO_NAP        = 0x1c1e, // NDD1
-CME_STOP_ENTRY_BAD_LPID_ERROR       = 0x1c1f, // NDD1
+//_UNUSED_1c08                      = 0x1c08,
+//_UNUSED_1c09                      = 0x1c09,
+//_UNUSED_1c0a                      = 0x1c0a,
+//_UNUSED_1c0d                      = 0x1c0d,
+//_UNUSED_1c1c                      = 0x1c1c,
+//_UNUSED_1c1d                      = 0x1c1d,
+//_UNUSED_1c1e                      = 0x1c1e,
+//_UNUSED_1c1f                      = 0x1c1f,
 //
-//_UNUSED_1d00                      = 0x1d00,
-//_UNUSED_1d01                      = 0x1d01,
-//_UNUSED_1d02                      = 0x1d02,
-//_UNUSED_1d03                      = 0x1d03,
-//_UNUSED_1d04                      = 0x1d04,
+CME_STOP_EXIT_PHANTOM_WAKEUP        = 0x1d00, // Stop Error
+CME_STOP_EXIT_BCE_SCOM_FAILED       = 0x1d01,
+CME_STOP_EXIT_SELF_RES_SPATTN       = 0x1d02,
+CME_STOP_EXIT_STARTCLK_FAILED       = 0x1d03,
+CME_STOP_EXIT_XSTOP_ERROR           = 0x1d04,
 //_UNUSED_1d05                      = 0x1d05,
 //_UNUSED_1d06                      = 0x1d06,
 //_UNUSED_1d07                      = 0x1d07,
-//_UNUSED_1d08                      = 0x1d08,
-//_UNUSED_1d09                      = 0x1d09,
+CME_STOP_ENTRY_STOPCLK_FAILED       = 0x1d08,
+CME_STOP_ENTRY_XSTOP_ERROR          = 0x1d09,
 //_UNUSED_1d0a                      = 0x1d0a,
 //_UNUSED_1d0d                      = 0x1d0d,
 //_UNUSED_1d1c                      = 0x1d1c,
@@ -76,7 +76,7 @@ CME_STOP_ENTRY_BAD_LPID_ERROR       = 0x1c1f, // NDD1
 //_UNUSED_1d1e                      = 0x1d1e,
 //_UNUSED_1d1f                      = 0x1d1f,
 
-//_UNUSED_1e00                      = 0x1e00,
+//_UNUSED_1e00                      = 0x1e00, // Pstate Error
 //_UNUSED_1e01                      = 0x1e01,
 //_UNUSED_1e02                      = 0x1e02,
 //_UNUSED_1e03                      = 0x1e03,
@@ -93,8 +93,8 @@ CME_STOP_ENTRY_BAD_LPID_ERROR       = 0x1c1f, // NDD1
 //_UNUSED_1e1e                      = 0x1e1e,
 //_UNUSED_1e1f                      = 0x1e1f,
 
-//_UNUSED_1f00                      = 0x1f00,
-//_UNUSED_1f01                      = 0x1f01,
+CME_STOP_ENTRY_WITH_AUTO_NAP        = 0x1f00, // NDD1
+CME_STOP_ENTRY_BAD_LPID_ERROR       = 0x1f01, // NDD1
 //_UNUSED_1f02                      = 0x1f02,
 //_UNUSED_1f03                      = 0x1f03,
 //_UNUSED_1f04                      = 0x1f04,
diff --git a/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop.h b/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop.h
index d5ed4b75..c8974f04 100644
--- a/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop.h
+++ b/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop.h
@@ -107,6 +107,7 @@
 #define C_CLOCK_STAT_NSL       0x20030009
 #define C_CLOCK_STAT_ARY       0x2003000a
 #define C_BIST                 0x2003000B
+#define C_XFIR                 0x20040000
 #define C_THERM_MODE_REG       0x2005000F
 
 #define C_SLAVE_CONFIG_REG     0x200F001E
diff --git a/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_hcd_core_startclocks.c b/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_hcd_core_startclocks.c
index 4504ecf9..2464bc09 100644
--- a/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_hcd_core_startclocks.c
+++ b/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_hcd_core_startclocks.c
@@ -143,7 +143,19 @@ p9_hcd_core_startclocks(uint32_t core)
     PK_TRACE("Drop chiplet fence via NC0INDIR[18]");
     CME_PUTSCOM(CPPM_NC0INDIR_CLR, core, BIT64(18));
 
-    /// @todo RTC166917 Check the Global Checkstop FIR
+#if !EPM_P9_TUNING
+
+    PK_TRACE("Check Global Xstop FIR of Core Chiplet");
+    CME_GETSCOM(C_XFIR, core, CME_SCOM_AND, scom_data.value);
+
+    if (scom_data.words.upper & BITS32(0, 27))
+    {
+        PK_TRACE_ERR("Core[%d] Chiplet Global Xstop FIR[%x] Detected. HALT CME!",
+                     core, scom_data.words.upper);
+        PK_PANIC(CME_STOP_EXIT_XSTOP_ERROR);
+    }
+
+#endif
 
     PK_TRACE("Drop flushmode_inhibit via CPLT_CTRL0[2]");
     CME_PUTSCOM(C_CPLT_CTRL0_CLEAR, core, BIT64(2));
diff --git a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_hcd_cache_startclocks.c b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_hcd_cache_startclocks.c
index 488a5b1e..aac0b30d 100644
--- a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_hcd_cache_startclocks.c
+++ b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_hcd_cache_startclocks.c
@@ -173,7 +173,19 @@ p9_hcd_cache_startclocks(uint32_t quad, uint32_t ex)
     // Cleaning up
     // -------------------------------
 
-    /// @todo RTC166917 Check the Global Checkstop FIR
+#if !EPM_P9_TUNING
+
+    PK_TRACE("Check Global Xstop FIR of Cache Chiplet");
+    GPE_GETSCOM(GPE_SCOM_ADDR_QUAD(EQ_XFIR, quad), scom_data.value);
+
+    if (scom_data.words.upper & BITS32(0, 27))
+    {
+        PK_TRACE_ERR("Cache[%d] Chiplet Global Xstop FIR[%x] Detected. HALT SGPE!",
+                     quad, scom_data.words.upper);
+        PK_PANIC(SGPE_STOP_EXIT_XSTOP_ERROR);
+    }
+
+#endif
 
 #if NIMBUS_DD_LEVEL != 1
 
diff --git a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop.h b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop.h
index 0392559b..f1ee5dfd 100644
--- a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop.h
+++ b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop.h
@@ -81,6 +81,7 @@ extern "C" {
 #define EQ_CLOCK_STAT_SL         0x10030008
 #define EQ_CLOCK_STAT_ARY        0x1003000A
 #define EQ_CC_ATOMIC_LOCK        0x100303FF
+#define EQ_XFIR                  0x10040000
 #define EQ_HOST_ATTN             0x10040009
 #define EQ_LOCAL_XSTOP_ERR       0x10040018
 #define EQ_THERM_MODE_REG        0x1005000F
diff --git a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/sgpe_panic_codes.h b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/sgpe_panic_codes.h
index ac480f44..f811ddf1 100644
--- a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/sgpe_panic_codes.h
+++ b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/sgpe_panic_codes.h
@@ -22,8 +22,8 @@
 /* permissions and limitations under the License.                         */
 /*                                                                        */
 /* IBM_PROLOG_END_TAG                                                     */
-#ifndef __CME_PANIC_CODES_H__
-#define __CME_PANIC_CODES_H__
+#ifndef __SGPE_PANIC_CODES_H__
+#define __SGPE_PANIC_CODES_H__
 
 // On PPE42, PANIC codes are stored as part of the trap word instruction.
 // tw 31, RA, RB  Where RA and RB would used to encode the trap code.
@@ -42,7 +42,7 @@
 
 // The following are reserved for instance specific use.
 
-SGPE_MAIN_FAPI2_INIT_FAILED         = 0x1c00,
+SGPE_MAIN_FAPI2_INIT_FAILED         = 0x1c00, // Setup or Common Error
 SGPE_UIH_EIMR_STACK_UNDERFLOW       = 0x1c01,
 SGPE_UIH_EIMR_STACK_OVERFLOW        = 0x1c02,
 SGPE_UIH_PHANTOM_INTERRUPT          = 0x1c03,
@@ -60,7 +60,7 @@ SGPE_PIG_TYPE3_ENTRY_WNS_CME        = 0x1c0d,
 //_UNUSED_1c1f                      = 0x1c1f,
 
 
-SGPE_STOP_PUTRING_HEADER_ERROR      = 0x1d00,
+SGPE_STOP_PUTRING_HEADER_ERROR      = 0x1d00, // Stop Exit Error
 SGPE_STOP_PUTRING_OPCG_TIMEOUT      = 0x1d00,
 SGPE_STOP_EXIT_IPC_CORE_FAILED      = 0x1d01,
 SGPE_STOP_EXIT_IPC_CORE_BAD_RC      = 0x1d02,
@@ -71,14 +71,14 @@ SGPE_STOP_EXIT_DROP_SLV_LOCK_FAILED = 0x1d06,
 SGPE_STOP_EXIT_DPLL_STARTCLK_FAILED = 0x1d07,
 SGPE_STOP_EXIT_L2_STARTCLK_FAILED   = 0x1d08,
 SGPE_STOP_EXIT_EQ_STARTCLK_FAILED   = 0x1d09,
-SGPE_STOP_EXIT_VCS_STOPCLK_FAILED   = 0x1d0a, // NDD1
-SGPE_STOP_EXIT_VCS_STARTCLK_FAILED  = 0x1d0d, // NDD1
-SGPE_STOP_EXIT_FUSE_SCAN_HEADER_ERR = 0x1d1c, // NDD1
-SGPE_STOP_EXIT_PBRW_SCAN_HEADER_ERR = 0x1d1d, // NDD1
+SGPE_STOP_EXIT_XSTOP_ERROR          = 0x1d0a,
+//_UNUSED_1d0d                      = 0x1d0d,
+//_UNUSED_1d1c                      = 0x1d1c,
+//_UNUSED_1d1d                      = 0x1d1d,
 //_UNUSED_1d1e                      = 0x1d1e,
 //_UNUSED_1d1f                      = 0x1d1f,
 
-SGPE_STOP_ENTRY_IPC_CORE_FAILED     = 0x1e00,
+SGPE_STOP_ENTRY_IPC_CORE_FAILED     = 0x1e00, // Stop Entry Error
 SGPE_STOP_ENTRY_IPC_CORE_BAD_RC     = 0x1e01,
 SGPE_STOP_ENTRY_IPC_QUAD_FAILED     = 0x1e02,
 SGPE_STOP_ENTRY_IPC_QUAD_BAD_RC     = 0x1e03,
@@ -88,22 +88,22 @@ SGPE_STOP_ENTRY_GET_CLK_LOCK_FAILED = 0x1e06,
 SGPE_STOP_ENTRY_GET_SLV_LOCK_FAILED = 0x1e07,
 SGPE_STOP_ENTRY_L2_STOPCLK_FAILED   = 0x1e08,
 SGPE_STOP_ENTRY_EQ_STOPCLK_FAILED   = 0x1e09,
-SGPE_STOP_ENTRY_PBRW_SCAN_HEADER_ERR = 0x1e0a, // NDD1
+//_UNUSED_1e0a                      = 0x1e0a,
 //_UNUSED_1e0d                      = 0x1e0d,
 //_UNUSED_1e1c                      = 0x1e1c,
 //_UNUSED_1e1d                      = 0x1e1d,
 //_UNUSED_1e1e                      = 0x1e1e,
 //_UNUSED_1e1f                      = 0x1e1f,
 
-//_UNUSED_1f00                      = 0x1f00,
-//_UNUSED_1f01                      = 0x1f01,
-//_UNUSED_1f02                      = 0x1f02,
-//_UNUSED_1f03                      = 0x1f03,
+SGPE_STOP_EXIT_VCS_STOPCLK_FAILED   = 0x1f00, // NDD1
+SGPE_STOP_EXIT_VCS_STARTCLK_FAILED  = 0x1f01, // NDD1
+SGPE_STOP_EXIT_FUSE_SCAN_HEADER_ERR = 0x1f02, // NDD1
+SGPE_STOP_EXIT_PBRW_SCAN_HEADER_ERR = 0x1f03, // NDD1
 //_UNUSED_1f04                      = 0x1f04,
 //_UNUSED_1f05                      = 0x1f05,
 //_UNUSED_1f06                      = 0x1f06,
 //_UNUSED_1f07                      = 0x1f07,
-//_UNUSED_1f08                      = 0x1f08,
+SGPE_STOP_ENTRY_PBRW_SCAN_HEADER_ERR = 0x1f08, // NDD1
 //_UNUSED_1f09                      = 0x1f09,
 //_UNUSED_1f0a                      = 0x1f0a,
 //_UNUSED_1f0d                      = 0x1f0d,