Merge changes from topic "tegra194-ras-handling" into integration
* changes: Tegra194: ras: verbose prints for SErrors Prevent RAS register access from lower ELs Tegra194: SiP: clear RAS corrected error records Tegra194: add RAS exception handling
This commit is contained in:
commit
5eeb091ade
2
Makefile
2
Makefile
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@ -900,6 +900,7 @@ $(eval $(call assert_boolean,USE_SPINLOCK_CAS))
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$(eval $(call assert_boolean,ENCRYPT_BL31))
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$(eval $(call assert_boolean,ENCRYPT_BL32))
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$(eval $(call assert_boolean,ERRATA_SPECULATIVE_AT))
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$(eval $(call assert_boolean,RAS_TRAP_LOWER_EL_ERR_ACCESS))
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$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
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$(eval $(call assert_numeric,ARM_ARCH_MINOR))
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@ -979,6 +980,7 @@ $(eval $(call add_define,BL2_IN_XIP_MEM))
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$(eval $(call add_define,BL2_INV_DCACHE))
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$(eval $(call add_define,USE_SPINLOCK_CAS))
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$(eval $(call add_define,ERRATA_SPECULATIVE_AT))
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$(eval $(call add_define,RAS_TRAP_LOWER_EL_ERR_ACCESS))
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ifeq (${SANITIZE_UB},trap)
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$(eval $(call add_define,MONITOR_TRAPS))
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@ -32,7 +32,8 @@ introduced by the RAS extensions.
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The build option ``RAS_EXTENSION`` when set to ``1`` includes the RAS in run
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time firmware; ``EL3_EXCEPTION_HANDLING`` and ``HANDLE_EA_EL3_FIRST`` must also
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be set ``1``.
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be set ``1``. ``RAS_TRAP_LOWER_EL_ERR_ACCESS`` controls the access to the RAS
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error record registers from lower ELs.
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.. _ras-figure:
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@ -707,6 +707,10 @@ Common build options
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| 1530924 | Cortex-A53 |
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+---------+--------------+
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- ``RAS_TRAP_LOWER_EL_ERR_ACCESS``: This flag enables/disables the SCR_EL3.TERR
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bit, to trap access to the RAS ERR and RAS ERX registers from lower ELs.
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This flag is disabled by default.
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GICv3 driver options
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--------------------
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@ -342,6 +342,7 @@
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#define SCR_EEL2_BIT (U(1) << 18)
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#define SCR_API_BIT (U(1) << 17)
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#define SCR_APK_BIT (U(1) << 16)
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#define SCR_TERR_BIT (U(1) << 15)
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#define SCR_TWE_BIT (U(1) << 13)
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#define SCR_TWI_BIT (U(1) << 12)
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#define SCR_ST_BIT (U(1) << 11)
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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@ -192,6 +193,7 @@ static inline int ras_err_ser_probe_sysreg(const struct err_record_info *info,
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probe_data);
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}
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const char *ras_serr_to_str(unsigned int serr);
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int ras_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
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void *handle, uint64_t flags);
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void ras_init(void);
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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@ -151,6 +152,9 @@
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#define ERROR_STATUS_SET_UC 0x2 /* Uncontainable */
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#define ERROR_STATUS_SET_CE 0x3 /* Corrected */
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/* Number of architecturally-defined primary error codes */
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#define ERROR_STATUS_NUM_SERR U(22)
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/* Implementation Defined Syndrome bit in ESR */
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#define SERROR_IDS_BIT U(24)
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@ -108,6 +108,14 @@ void cm_setup_context(cpu_context_t *ctx, const entry_point_info_t *ep)
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if (EP_GET_ST(ep->h.attr) != 0U)
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scr_el3 |= SCR_ST_BIT;
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#if RAS_TRAP_LOWER_EL_ERR_ACCESS
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/*
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* SCR_EL3.TERR: Trap Error record accesses. Accesses to the RAS ERR
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* and RAS ERX registers from EL1 and EL2 are trapped to EL3.
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*/
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scr_el3 |= SCR_TERR_BIT;
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#endif
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#if !HANDLE_EA_EL3_FIRST
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/*
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* SCR_EL3.EA: Do not route External Abort and SError Interrupt External
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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@ -18,6 +19,47 @@
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# error Platform must define RAS priority value
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#endif
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/*
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* Function to convert architecturally-defined primary error code SERR,
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* bits[7:0] from ERR<n>STATUS to its corresponding error string.
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*/
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const char *ras_serr_to_str(unsigned int serr)
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{
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const char *str[ERROR_STATUS_NUM_SERR] = {
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"No error",
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"IMPLEMENTATION DEFINED error",
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"Data value from (non-associative) internal memory",
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"IMPLEMENTATION DEFINED pin",
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"Assertion failure",
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"Error detected on internal data path",
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"Data value from associative memory",
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"Address/control value from associative memory",
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"Data value from a TLB",
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"Address/control value from a TLB",
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"Data value from producer",
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"Address/control value from producer",
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"Data value from (non-associative) external memory",
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"Illegal address (software fault)",
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"Illegal access (software fault)",
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"Illegal state (software fault)",
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"Internal data register",
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"Internal control register",
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"Error response from slave",
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"External timeout",
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"Internal timeout",
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"Deferred error from slave not supported at master"
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};
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/*
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* All other values are reserved. Reserved values might be defined
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* in a future version of the architecture
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*/
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if (serr >= ERROR_STATUS_NUM_SERR)
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return "unknown SERR";
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return str[serr];
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}
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/* Handler that receives External Aborts on RAS-capable systems */
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int ras_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
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void *handle, uint64_t flags)
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@ -302,3 +302,6 @@ SUPPORT_STACK_MEMTAG := no
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# Select workaround for AT speculative behaviour.
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ERRATA_SPECULATIVE_AT := 0
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# Trap RAS error record access from lower EL
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RAS_TRAP_LOWER_EL_ERR_ACCESS := 0
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@ -95,6 +95,7 @@
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* Platform macros to support exception handling framework
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******************************************************************************/
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#define PLAT_PRI_BITS U(3)
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#define PLAT_RAS_PRI U(0x10)
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#define PLAT_SDEI_CRITICAL_PRI U(0x20)
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#define PLAT_SDEI_NORMAL_PRI U(0x30)
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#define PLAT_TEGRA_WDT_PRIO U(0x40)
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@ -0,0 +1,263 @@
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/*
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* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef TEGRA194_RAS_PRIVATE
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#define TEGRA194_RAS_PRIVATE
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#include <stdint.h>
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/* Implementation defined RAS error and corresponding error message */
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struct ras_error {
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const char *error_msg;
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/* IERR(bits[15:8]) from ERR<n>STATUS */
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uint8_t error_code;
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};
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/* RAS error node-specific auxiliary data */
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struct ras_aux_data {
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/* name for current RAS node. */
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const char *name;
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/* point to null-terminated ras_error array to convert error code to msg. */
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const struct ras_error *error_records;
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/*
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* function to return an value which needs to be programmed into ERXCTLR_EL1
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* to enable all specified RAS errors for current node.
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*/
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uint64_t (*err_ctrl)(void);
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};
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/* IFU Uncorrectable RAS ERROR */
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#define IFU_UNCORR_RAS_ERROR_LIST(X)
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/* JSR_RET Uncorrectable RAS ERROR */
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#define JSR_RET_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(JSR_RET, 35, 0x13, "Floating Point Register File Parity Error") \
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X(JSR_RET, 34, 0x12, "Integer Register File Parity Error") \
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X(JSR_RET, 33, 0x11, "Garbage Bundle") \
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X(JSR_RET, 32, 0x10, "Bundle Completion Timeout")
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/* JSR_MTS Uncorrectable RAS ERROR */
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#define JSR_MTS_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(JSR_MTS, 40, 0x28, "CoreSight Access Error") \
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X(JSR_MTS, 39, 0x27, "Dual Execution Uncorrectable Error") \
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X(JSR_MTS, 37, 0x25, "CTU MMIO Region") \
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X(JSR_MTS, 36, 0x24, "MTS MMCRAB Region Access") \
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X(JSR_MTS, 35, 0x23, "MTS_CARVEOUT Access from ARM SW") \
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X(JSR_MTS, 34, 0x22, "NAFLL PLL Failure to Lock") \
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X(JSR_MTS, 32, 0x20, "Internal Uncorrectable MTS Error")
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/* LSD_STQ Uncorrectable RAS ERROR */
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#define LSD_STQ_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(LSD_STQ, 41, 0x39, "Coherent Cache Data Store Multi-Line ECC Error") \
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X(LSD_STQ, 40, 0x38, "Coherent Cache Data Store Uncorrectable ECC Error") \
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X(LSD_STQ, 38, 0x36, "Coherent Cache Data Load Uncorrectable ECC Error") \
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X(LSD_STQ, 33, 0x31, "Coherent Cache Tag Store Parity Error") \
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X(LSD_STQ, 32, 0x30, "Coherent Cache Tag Load Parity Error")
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/* LSD_DCC Uncorrectable RAS ERROR */
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#define LSD_DCC_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(LSD_DCC, 41, 0x49, "BTU Copy Mini-Cache PPN Multi-Hit Error") \
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X(LSD_DCC, 39, 0x47, "Coherent Cache Data Uncorrectable ECC Error") \
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X(LSD_DCC, 37, 0x45, "Version Cache Byte-Enable Parity Error") \
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X(LSD_DCC, 36, 0x44, "Version Cache Data Uncorrectable ECC Error") \
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X(LSD_DCC, 33, 0x41, "BTU Copy Coherent Cache PPN Parity Error") \
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X(LSD_DCC, 32, 0x40, "BTU Copy Coherent Cache VPN Parity Error")
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/* LSD_L1HPF Uncorrectable RAS ERROR */
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#define LSD_L1HPF_UNCORR_RAS_ERROR_LIST(X)
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/* L2 Uncorrectable RAS ERROR */
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#define L2_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(L2, 56, 0x68, "URT Timeout") \
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X(L2, 55, 0x67, "L2 Protocol Violation") \
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X(L2, 54, 0x66, "SCF to L2 Slave Error Read") \
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X(L2, 53, 0x65, "SCF to L2 Slave Error Write") \
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X(L2, 52, 0x64, "SCF to L2 Decode Error Read") \
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X(L2, 51, 0x63, "SCF to L2 Decode Error Write") \
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X(L2, 50, 0x62, "SCF to L2 Request Response Interface Parity Errors") \
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X(L2, 49, 0x61, "SCF to L2 Advance notice interface parity errors") \
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X(L2, 48, 0x60, "SCF to L2 Filldata Parity Errors") \
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X(L2, 47, 0x5F, "SCF to L2 UnCorrectable ECC Data Error on interface") \
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X(L2, 45, 0x5D, "Core 1 to L2 Parity Error") \
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X(L2, 44, 0x5C, "Core 0 to L2 Parity Error") \
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X(L2, 43, 0x5B, "L2 Multi-Hit") \
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X(L2, 42, 0x5A, "L2 URT Tag Parity Error") \
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X(L2, 41, 0x59, "L2 NTT Tag Parity Error") \
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X(L2, 40, 0x58, "L2 MLT Tag Parity Error") \
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X(L2, 39, 0x57, "L2 URD Data") \
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X(L2, 38, 0x56, "L2 NTP Data") \
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X(L2, 36, 0x54, "L2 MLC Uncorrectable Clean") \
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X(L2, 35, 0x53, "L2 URD Uncorrectable Dirty") \
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X(L2, 34, 0x52, "L2 MLC Uncorrectable Dirty")
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/* CLUSTER_CLOCKS Uncorrectable RAS ERROR */
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#define CLUSTER_CLOCKS_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(CLUSTER_CLOCKS, 32, 0xE4, "Frequency Monitor Error")
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/* MMU Uncorrectable RAS ERROR */
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#define MMU_UNCORR_RAS_ERROR_LIST(X)
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/* L3 Uncorrectable RAS ERROR */
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#define L3_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(L3, 43, 0x7B, "SNOC Interface Parity Error") \
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X(L3, 42, 0x7A, "MCF Interface Parity Error") \
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X(L3, 41, 0x79, "L3 Tag Parity Error") \
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X(L3, 40, 0x78, "L3 Dir Parity Error") \
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X(L3, 39, 0x77, "L3 Uncorrectable ECC Error") \
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X(L3, 37, 0x75, "Multi-Hit CAM Error") \
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X(L3, 36, 0x74, "Multi-Hit Tag Error") \
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X(L3, 35, 0x73, "Unrecognized Command Error") \
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X(L3, 34, 0x72, "L3 Protocol Error")
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/* CCPMU Uncorrectable RAS ERROR */
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#define CCPMU_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(CCPMU, 40, 0x87, "CoreSight Access Error") \
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X(CCPMU, 36, 0x84, "MCE Ucode Error") \
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X(CCPMU, 35, 0x83, "MCE IL1 Parity Error") \
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X(CCPMU, 34, 0x82, "MCE Timeout Error") \
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X(CCPMU, 33, 0x81, "CRAB Access Error") \
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X(CCPMU, 32, 0x80, "MCE Memory Access Error")
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/* SCF_IOB Uncorrectable RAS ERROR */
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#define SCF_IOB_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(SCF_IOB, 41, 0x99, "Request parity error") \
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X(SCF_IOB, 40, 0x98, "Putdata parity error") \
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X(SCF_IOB, 39, 0x97, "Uncorrectable ECC on Putdata") \
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X(SCF_IOB, 38, 0x96, "CBB Interface Error") \
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X(SCF_IOB, 37, 0x95, "MMCRAB Error") \
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X(SCF_IOB, 36, 0x94, "IHI Interface Error") \
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X(SCF_IOB, 35, 0x93, "CRI Error") \
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X(SCF_IOB, 34, 0x92, "TBX Interface Error") \
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X(SCF_IOB, 33, 0x91, "EVP Interface Error")
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/* SCF_SNOC Uncorrectable RAS ERROR */
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#define SCF_SNOC_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(SCF_SNOC, 42, 0xAA, "Misc Client Parity Error") \
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X(SCF_SNOC, 41, 0xA9, "Misc Filldata Parity Error") \
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X(SCF_SNOC, 40, 0xA8, "Uncorrectable ECC Misc Client") \
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X(SCF_SNOC, 39, 0xA7, "DVMU Interface Parity Error") \
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X(SCF_SNOC, 38, 0xA6, "DVMU Interface Timeout Error") \
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X(SCF_SNOC, 37, 0xA5, "CPE Request Error") \
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X(SCF_SNOC, 36, 0xA4, "CPE Response Error") \
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X(SCF_SNOC, 35, 0xA3, "CPE Timeout Error") \
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X(SCF_SNOC, 34, 0xA2, "Uncorrectable Carveout Error")
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/* SCF_CTU Uncorrectable RAS ERROR */
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#define SCF_CTU_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(SCF_CTU, 39, 0xB7, "Timeout error for TRC_DMA request") \
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X(SCF_CTU, 38, 0xB6, "Timeout error for CTU Snp") \
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X(SCF_CTU, 37, 0xB5, "Parity error in CTU TAG RAM") \
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X(SCF_CTU, 36, 0xB3, "Parity error in CTU DATA RAM") \
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X(SCF_CTU, 35, 0xB4, "Parity error for Cluster Rsp") \
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X(SCF_CTU, 34, 0xB2, "Parity error for TRL requests from 9 agents") \
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X(SCF_CTU, 33, 0xB1, "Parity error for MCF request") \
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X(SCF_CTU, 32, 0xB0, "TRC DMA fillsnoop parity error")
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||||
/* CMU_CLOCKS Uncorrectable RAS ERROR */
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#define CMU_CLOCKS_UNCORR_RAS_ERROR_LIST(X) \
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/* Name, ERR_CTRL, IERR, ISA Desc */ \
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X(CMU_CLOCKS, 39, 0xC7, "Cluster 3 frequency monitor error") \
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||||
X(CMU_CLOCKS, 38, 0xC6, "Cluster 2 frequency monitor error") \
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||||
X(CMU_CLOCKS, 37, 0xC5, "Cluster 1 frequency monitor error") \
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X(CMU_CLOCKS, 36, 0xC3, "Cluster 0 frequency monitor error") \
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||||
X(CMU_CLOCKS, 35, 0xC4, "Voltage error on ADC1 Monitored Logic") \
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X(CMU_CLOCKS, 34, 0xC2, "Voltage error on ADC0 Monitored Logic") \
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X(CMU_CLOCKS, 33, 0xC1, "Lookup Table 1 Parity Error") \
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X(CMU_CLOCKS, 32, 0xC0, "Lookup Table 0 Parity Error")
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||||
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/*
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* Define one ras_error entry.
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||||
*
|
||||
* This macro wille be used to to generate ras_error records for each node
|
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* defined by <NODE_NAME>_UNCORR_RAS_ERROR_LIST macro.
|
||||
*/
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||||
#define DEFINE_ONE_RAS_ERROR_MSG(unit, ras_bit, ierr, msg) \
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||||
{ \
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||||
.error_msg = (msg), \
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||||
.error_code = (ierr) \
|
||||
},
|
||||
|
||||
/*
|
||||
* Set one implementation defined bit in ERR<n>CTLR
|
||||
*
|
||||
* This macro will be used to collect all defined ERR_CTRL bits for each node
|
||||
* defined by <NODE_NAME>_UNCORR_RAS_ERROR_LIST macro.
|
||||
*/
|
||||
#define DEFINE_ENABLE_RAS_BIT(unit, ras_bit, ierr, msg) \
|
||||
do { \
|
||||
val |= (1ULL << ras_bit##U); \
|
||||
} while (0);
|
||||
|
||||
/* Represent one RAS node with 0 or more error bits (ERR_CTLR) enabled */
|
||||
#define DEFINE_ONE_RAS_NODE(node) \
|
||||
static const struct ras_error node##_uncorr_ras_errors[] = { \
|
||||
node##_UNCORR_RAS_ERROR_LIST(DEFINE_ONE_RAS_ERROR_MSG) \
|
||||
{ \
|
||||
NULL, \
|
||||
0U \
|
||||
}, \
|
||||
}; \
|
||||
static inline uint64_t node##_err_ctrl(void) \
|
||||
{ \
|
||||
uint64_t val = 0ULL; \
|
||||
node##_UNCORR_RAS_ERROR_LIST(DEFINE_ENABLE_RAS_BIT) \
|
||||
return val; \
|
||||
}
|
||||
|
||||
#define DEFINE_ONE_RAS_AUX_DATA(node) \
|
||||
{ \
|
||||
.name = #node, \
|
||||
.error_records = node##_uncorr_ras_errors, \
|
||||
.err_ctrl = &node##_err_ctrl \
|
||||
},
|
||||
|
||||
#define PER_CORE_RAS_NODE_LIST(X) \
|
||||
X(IFU) \
|
||||
X(JSR_RET) \
|
||||
X(JSR_MTS) \
|
||||
X(LSD_STQ) \
|
||||
X(LSD_DCC) \
|
||||
X(LSD_L1HPF)
|
||||
|
||||
#define PER_CORE_RAS_GROUP_NODES PER_CORE_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
|
||||
|
||||
#define PER_CLUSTER_RAS_NODE_LIST(X) \
|
||||
X(L2) \
|
||||
X(CLUSTER_CLOCKS) \
|
||||
X(MMU)
|
||||
|
||||
#define PER_CLUSTER_RAS_GROUP_NODES PER_CLUSTER_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
|
||||
|
||||
#define SCF_L3_BANK_RAS_NODE_LIST(X) X(L3)
|
||||
|
||||
/* we have 4 SCF_L3 nodes:3*256 + L3_Bank_ID(0-3) */
|
||||
#define SCF_L3_BANK_RAS_GROUP_NODES \
|
||||
SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA) \
|
||||
SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA) \
|
||||
SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA) \
|
||||
SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
|
||||
|
||||
#define CCPLEX_RAS_NODE_LIST(X) \
|
||||
X(CCPMU) \
|
||||
X(SCF_IOB) \
|
||||
X(SCF_SNOC) \
|
||||
X(SCF_CTU) \
|
||||
X(CMU_CLOCKS)
|
||||
|
||||
#define CCPLEX_RAS_GROUP_NODES CCPLEX_RAS_NODE_LIST(DEFINE_ONE_RAS_AUX_DATA)
|
||||
|
||||
#endif /* TEGRA194_RAS_PRIVATE */
|
|
@ -89,7 +89,7 @@ int32_t plat_lock_cpu_vectors(void);
|
|||
|
||||
/* Declarations for tegra_fiq_glue.c */
|
||||
void tegra_fiq_handler_setup(void);
|
||||
int tegra_fiq_get_intr_context(void);
|
||||
int32_t tegra_fiq_get_intr_context(void);
|
||||
void tegra_fiq_set_ns_entrypoint(uint64_t entrypoint);
|
||||
|
||||
/* Declarations for tegra_security.c */
|
||||
|
@ -157,4 +157,9 @@ int plat_sip_handler(uint32_t smc_fid,
|
|||
void *handle,
|
||||
uint64_t flags);
|
||||
|
||||
#if RAS_EXTENSION
|
||||
void tegra194_ras_enable(void);
|
||||
void tegra194_ras_corrected_err_clear(void);
|
||||
#endif
|
||||
|
||||
#endif /* TEGRA_PRIVATE_H */
|
||||
|
|
|
@ -58,6 +58,7 @@ int32_t nvg_roc_clean_cache_trbits(void);
|
|||
void nvg_enable_strict_checking_mode(void);
|
||||
void nvg_system_shutdown(void);
|
||||
void nvg_system_reboot(void);
|
||||
void nvg_clear_hsm_corr_status(void);
|
||||
|
||||
/* declarations for assembly functions */
|
||||
void nvg_set_request_data(uint64_t req, uint64_t data);
|
||||
|
@ -71,5 +72,6 @@ uint64_t nvg_cache_inval_all(void);
|
|||
void mce_enable_strict_checking(void);
|
||||
void mce_system_shutdown(void);
|
||||
void mce_system_reboot(void);
|
||||
void mce_clear_hsm_corr_status(void);
|
||||
|
||||
#endif /* MCE_PRIVATE_H */
|
||||
|
|
|
@ -234,3 +234,11 @@ void mce_system_reboot(void)
|
|||
{
|
||||
nvg_system_reboot();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Handler to clear CCPLEX->HSM correctable RAS error signal.
|
||||
******************************************************************************/
|
||||
void mce_clear_hsm_corr_status(void)
|
||||
{
|
||||
nvg_clear_hsm_corr_status();
|
||||
}
|
||||
|
|
|
@ -236,3 +236,15 @@ void nvg_system_shutdown(void)
|
|||
nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_SHUTDOWN,
|
||||
(uint64_t)TEGRA_NVG_SHUTDOWN);
|
||||
}
|
||||
|
||||
/*
|
||||
* Request to clear CCPLEX->HSM correctable error signal.
|
||||
* NVGDATA[1]: A write of 1 clears the CCPLEX->HSM correctable error signal,
|
||||
* A write of 0 has no effect.
|
||||
*/
|
||||
void nvg_clear_hsm_corr_status(void)
|
||||
{
|
||||
nvg_hsm_error_ctrl_channel_t status = { .bits = { .corr = 1U, }, };
|
||||
|
||||
nvg_set_request_data((uint64_t)TEGRA_NVG_CHANNEL_HSM_ERROR_CTRL, status.flat);
|
||||
}
|
||||
|
|
|
@ -0,0 +1,418 @@
|
|||
/*
|
||||
* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-3-Clause
|
||||
*/
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <common/debug.h>
|
||||
#include <lib/bakery_lock.h>
|
||||
#include <lib/extensions/ras.h>
|
||||
#include <lib/utils_def.h>
|
||||
#include <services/sdei.h>
|
||||
|
||||
#include <plat/common/platform.h>
|
||||
#include <platform_def.h>
|
||||
#include <tegra194_ras_private.h>
|
||||
#include <tegra_def.h>
|
||||
#include <tegra_platform.h>
|
||||
#include <tegra_private.h>
|
||||
|
||||
/*
|
||||
* ERR<n>FR bits[63:32], it indicates supported RAS errors which can be enabled
|
||||
* by setting corresponding bits in ERR<n>CTLR
|
||||
*/
|
||||
#define ERR_FR_EN_BITS_MASK 0xFFFFFFFF00000000ULL
|
||||
|
||||
/* bakery lock for platform RAS handler. */
|
||||
static DEFINE_BAKERY_LOCK(ras_handler_lock);
|
||||
#define ras_lock() bakery_lock_get(&ras_handler_lock)
|
||||
#define ras_unlock() bakery_lock_release(&ras_handler_lock)
|
||||
|
||||
/*
|
||||
* Function to handle an External Abort received at EL3.
|
||||
* This function is invoked by RAS framework.
|
||||
*/
|
||||
static void tegra194_ea_handler(unsigned int ea_reason, uint64_t syndrome,
|
||||
void *cookie, void *handle, uint64_t flags)
|
||||
{
|
||||
int32_t ret;
|
||||
|
||||
ras_lock();
|
||||
|
||||
ERROR("MPIDR 0x%lx: exception reason=%u syndrome=0x%llx\n",
|
||||
read_mpidr(), ea_reason, syndrome);
|
||||
|
||||
/* Call RAS EA handler */
|
||||
ret = ras_ea_handler(ea_reason, syndrome, cookie, handle, flags);
|
||||
if (ret != 0) {
|
||||
ERROR("RAS error handled!\n");
|
||||
ret = sdei_dispatch_event(TEGRA_SDEI_EP_EVENT_0 +
|
||||
plat_my_core_pos());
|
||||
if (ret != 0)
|
||||
ERROR("sdei_dispatch_event returned %d\n", ret);
|
||||
} else {
|
||||
ERROR("Not a RAS error!\n");
|
||||
}
|
||||
|
||||
ras_unlock();
|
||||
}
|
||||
|
||||
/*
|
||||
* Function to enable all supported RAS error report.
|
||||
*
|
||||
* Uncorrected errors are set to report as External abort (SError)
|
||||
* Corrected errors are set to report as interrupt.
|
||||
*/
|
||||
void tegra194_ras_enable(void)
|
||||
{
|
||||
VERBOSE("%s\n", __func__);
|
||||
|
||||
/* skip RAS enablement if not a silicon platform. */
|
||||
if (!tegra_platform_is_silicon()) {
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Iterate for each group(num_idx ERRSELRs starting from idx_start)
|
||||
* use normal for loop instead of for_each_err_record_info to get rid
|
||||
* of MISRA noise..
|
||||
*/
|
||||
for (uint32_t i = 0U; i < err_record_mappings.num_err_records; i++) {
|
||||
|
||||
const struct err_record_info *info = &err_record_mappings.err_records[i];
|
||||
|
||||
uint32_t idx_start = info->sysreg.idx_start;
|
||||
uint32_t num_idx = info->sysreg.num_idx;
|
||||
const struct ras_aux_data *aux_data = (const struct ras_aux_data *)info->aux_data;
|
||||
|
||||
assert(aux_data != NULL);
|
||||
|
||||
for (uint32_t j = 0; j < num_idx; j++) {
|
||||
|
||||
/* ERR<n>CTLR register value. */
|
||||
uint64_t err_ctrl = 0ULL;
|
||||
/* all supported errors for this node. */
|
||||
uint64_t err_fr;
|
||||
/* uncorrectable errors */
|
||||
uint64_t uncorr_errs;
|
||||
/* correctable errors */
|
||||
uint64_t corr_errs;
|
||||
|
||||
/*
|
||||
* Catch error if something wrong with the RAS aux data
|
||||
* record table.
|
||||
*/
|
||||
assert(aux_data[j].err_ctrl != NULL);
|
||||
|
||||
/*
|
||||
* Write to ERRSELR_EL1 to select the RAS error node.
|
||||
* Always program this at first to select corresponding
|
||||
* RAS node before any other RAS register r/w.
|
||||
*/
|
||||
ser_sys_select_record(idx_start + j);
|
||||
|
||||
err_fr = read_erxfr_el1() & ERR_FR_EN_BITS_MASK;
|
||||
uncorr_errs = aux_data[j].err_ctrl();
|
||||
corr_errs = ~uncorr_errs & err_fr;
|
||||
|
||||
/* enable error reporting */
|
||||
ERR_CTLR_ENABLE_FIELD(err_ctrl, ED);
|
||||
|
||||
/* enable SError reporting for uncorrectable errors */
|
||||
if ((uncorr_errs & err_fr) != 0ULL) {
|
||||
ERR_CTLR_ENABLE_FIELD(err_ctrl, UE);
|
||||
}
|
||||
|
||||
/* generate interrupt for corrected errors. */
|
||||
if (corr_errs != 0ULL) {
|
||||
ERR_CTLR_ENABLE_FIELD(err_ctrl, CFI);
|
||||
}
|
||||
|
||||
/* enable the supported errors */
|
||||
err_ctrl |= err_fr;
|
||||
|
||||
VERBOSE("errselr_el1:0x%x, erxfr:0x%llx, err_ctrl:0x%llx\n",
|
||||
idx_start + j, err_fr, err_ctrl);
|
||||
|
||||
/* enable specified errors, or set to 0 if no supported error */
|
||||
write_erxctlr_el1(err_ctrl);
|
||||
|
||||
/*
|
||||
* Check if all the bit settings have been enabled to detect
|
||||
* uncorrected/corrected errors, if not assert.
|
||||
*/
|
||||
assert(read_erxctlr_el1() == err_ctrl);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Function to clear RAS ERR<n>STATUS for corrected RAS error.
|
||||
* This function ignores any new RAS error signaled during clearing; it is not
|
||||
* multi-core safe(no ras_lock is taken to reduce overhead).
|
||||
*/
|
||||
void tegra194_ras_corrected_err_clear(void)
|
||||
{
|
||||
uint64_t clear_ce_status = 0ULL;
|
||||
|
||||
ERR_STATUS_SET_FIELD(clear_ce_status, AV, 0x1UL);
|
||||
ERR_STATUS_SET_FIELD(clear_ce_status, V, 0x1UL);
|
||||
ERR_STATUS_SET_FIELD(clear_ce_status, OF, 0x1UL);
|
||||
ERR_STATUS_SET_FIELD(clear_ce_status, MV, 0x1UL);
|
||||
ERR_STATUS_SET_FIELD(clear_ce_status, CE, 0x3UL);
|
||||
|
||||
for (uint32_t i = 0U; i < err_record_mappings.num_err_records; i++) {
|
||||
|
||||
const struct err_record_info *info = &err_record_mappings.err_records[i];
|
||||
uint32_t idx_start = info->sysreg.idx_start;
|
||||
uint32_t num_idx = info->sysreg.num_idx;
|
||||
|
||||
for (uint32_t j = 0U; j < num_idx; j++) {
|
||||
|
||||
uint64_t status;
|
||||
uint32_t err_idx = idx_start + j;
|
||||
|
||||
write_errselr_el1(err_idx);
|
||||
status = read_erxstatus_el1();
|
||||
|
||||
if (ERR_STATUS_GET_FIELD(status, CE) != 0U) {
|
||||
write_erxstatus_el1(clear_ce_status);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Function to probe an error from error record group. */
|
||||
static int32_t tegra194_ras_record_probe(const struct err_record_info *info,
|
||||
int *probe_data)
|
||||
{
|
||||
/* Skip probing if not a silicon platform */
|
||||
if (!tegra_platform_is_silicon()) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
return ser_probe_sysreg(info->sysreg.idx_start, info->sysreg.num_idx, probe_data);
|
||||
}
|
||||
|
||||
/* Function to handle error from one given node */
|
||||
static int32_t tegra194_ras_node_handler(uint32_t errselr, const char *name,
|
||||
const struct ras_error *errors, uint64_t status)
|
||||
{
|
||||
bool found = false;
|
||||
uint32_t ierr = (uint32_t)ERR_STATUS_GET_FIELD(status, IERR);
|
||||
uint32_t serr = (uint32_t)ERR_STATUS_GET_FIELD(status, SERR);
|
||||
uint64_t val = 0;
|
||||
|
||||
/* not a valid error. */
|
||||
if (ERR_STATUS_GET_FIELD(status, V) == 0U) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
ERR_STATUS_SET_FIELD(val, V, 1);
|
||||
|
||||
/* keep the log print same as linux arm64_ras driver. */
|
||||
ERROR("**************************************\n");
|
||||
ERROR("RAS Error in %s, ERRSELR_EL1=0x%x:\n", name, errselr);
|
||||
ERROR("\tStatus = 0x%llx\n", status);
|
||||
|
||||
/* Print uncorrectable errror information. */
|
||||
if (ERR_STATUS_GET_FIELD(status, UE) != 0U) {
|
||||
|
||||
ERR_STATUS_SET_FIELD(val, UE, 1);
|
||||
ERR_STATUS_SET_FIELD(val, UET, 1);
|
||||
|
||||
/* IERR to error message */
|
||||
for (uint32_t i = 0; errors[i].error_msg != NULL; i++) {
|
||||
if (ierr == errors[i].error_code) {
|
||||
ERROR("\tIERR = %s: 0x%x\n",
|
||||
errors[i].error_msg, ierr);
|
||||
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!found) {
|
||||
ERROR("\tUnknown IERR: 0x%x\n", ierr);
|
||||
}
|
||||
|
||||
ERROR("SERR = %s: 0x%x\n", ras_serr_to_str(serr), serr);
|
||||
|
||||
/* Overflow, multiple errors have been detected. */
|
||||
if (ERR_STATUS_GET_FIELD(status, OF) != 0U) {
|
||||
ERROR("\tOverflow (there may be more errors) - "
|
||||
"Uncorrectable\n");
|
||||
ERR_STATUS_SET_FIELD(val, OF, 1);
|
||||
}
|
||||
|
||||
ERROR("\tUncorrectable (this is fatal)\n");
|
||||
|
||||
/* Miscellaneous Register Valid. */
|
||||
if (ERR_STATUS_GET_FIELD(status, MV) != 0U) {
|
||||
ERROR("\tMISC0 = 0x%lx\n", read_erxmisc0_el1());
|
||||
ERROR("\tMISC1 = 0x%lx\n", read_erxmisc1_el1());
|
||||
ERR_STATUS_SET_FIELD(val, MV, 1);
|
||||
}
|
||||
|
||||
/* Address Valid. */
|
||||
if (ERR_STATUS_GET_FIELD(status, AV) != 0U) {
|
||||
ERROR("\tADDR = 0x%lx\n", read_erxaddr_el1());
|
||||
ERR_STATUS_SET_FIELD(val, AV, 1);
|
||||
}
|
||||
|
||||
/* Deferred error */
|
||||
if (ERR_STATUS_GET_FIELD(status, DE) != 0U) {
|
||||
ERROR("\tDeferred error\n");
|
||||
ERR_STATUS_SET_FIELD(val, DE, 1);
|
||||
}
|
||||
|
||||
} else {
|
||||
/* For corrected error, simply clear it. */
|
||||
VERBOSE("corrected RAS error is cleared: ERRSELR_EL1:0x%x, "
|
||||
"IERR:0x%x, SERR:0x%x\n", errselr, ierr, serr);
|
||||
ERR_STATUS_SET_FIELD(val, CE, 1);
|
||||
}
|
||||
|
||||
ERROR("**************************************\n");
|
||||
|
||||
/* Write to clear reported errors. */
|
||||
write_erxstatus_el1(val);
|
||||
|
||||
/* error handled */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Function to handle one error node from an error record group. */
|
||||
static int32_t tegra194_ras_record_handler(const struct err_record_info *info,
|
||||
int probe_data, const struct err_handler_data *const data __unused)
|
||||
{
|
||||
uint32_t num_idx = info->sysreg.num_idx;
|
||||
uint32_t idx_start = info->sysreg.idx_start;
|
||||
const struct ras_aux_data *aux_data = info->aux_data;
|
||||
const struct ras_error *errors;
|
||||
uint32_t offset;
|
||||
const char *node_name;
|
||||
|
||||
uint64_t status = 0ULL;
|
||||
|
||||
VERBOSE("%s\n", __func__);
|
||||
|
||||
assert(probe_data >= 0);
|
||||
assert((uint32_t)probe_data < num_idx);
|
||||
|
||||
offset = (uint32_t)probe_data;
|
||||
errors = aux_data[offset].error_records;
|
||||
node_name = aux_data[offset].name;
|
||||
|
||||
assert(errors != NULL);
|
||||
|
||||
/* Write to ERRSELR_EL1 to select the error record */
|
||||
ser_sys_select_record(idx_start + offset);
|
||||
|
||||
/* Retrieve status register from the error record */
|
||||
status = read_erxstatus_el1();
|
||||
|
||||
return tegra194_ras_node_handler(idx_start + offset, node_name,
|
||||
errors, status);
|
||||
}
|
||||
|
||||
|
||||
/* Instantiate RAS nodes */
|
||||
PER_CORE_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
|
||||
PER_CLUSTER_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
|
||||
SCF_L3_BANK_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
|
||||
CCPLEX_RAS_NODE_LIST(DEFINE_ONE_RAS_NODE)
|
||||
|
||||
/* Instantiate RAS node groups */
|
||||
static struct ras_aux_data per_core_ras_group[] = {
|
||||
PER_CORE_RAS_GROUP_NODES
|
||||
};
|
||||
|
||||
static struct ras_aux_data per_cluster_ras_group[] = {
|
||||
PER_CLUSTER_RAS_GROUP_NODES
|
||||
};
|
||||
|
||||
static struct ras_aux_data scf_l3_ras_group[] = {
|
||||
SCF_L3_BANK_RAS_GROUP_NODES
|
||||
};
|
||||
|
||||
static struct ras_aux_data ccplex_ras_group[] = {
|
||||
CCPLEX_RAS_GROUP_NODES
|
||||
};
|
||||
|
||||
/*
|
||||
* We have same probe and handler for each error record group, use a macro to
|
||||
* simply the record definition.
|
||||
*/
|
||||
#define ADD_ONE_ERR_GROUP(errselr_start, group) \
|
||||
ERR_RECORD_SYSREG_V1((errselr_start), (uint32_t)ARRAY_SIZE((group)), \
|
||||
&tegra194_ras_record_probe, \
|
||||
&tegra194_ras_record_handler, (group))
|
||||
|
||||
/* RAS error record group information */
|
||||
static struct err_record_info carmel_ras_records[] = {
|
||||
/*
|
||||
* Per core ras error records
|
||||
* ERRSELR starts from 0*256 + Logical_CPU_ID*16 + 0 to
|
||||
* 0*256 + Logical_CPU_ID*16 + 5 for each group.
|
||||
* 8 cores/groups, 6 * 8 nodes in total.
|
||||
*/
|
||||
ADD_ONE_ERR_GROUP(0x000, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x010, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x020, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x030, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x040, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x050, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x060, per_core_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x070, per_core_ras_group),
|
||||
|
||||
/*
|
||||
* Per cluster ras error records
|
||||
* ERRSELR starts from 2*256 + Logical_Cluster_ID*16 + 0 to
|
||||
* 2*256 + Logical_Cluster_ID*16 + 3.
|
||||
* 4 clusters/groups, 3 * 4 nodes in total.
|
||||
*/
|
||||
ADD_ONE_ERR_GROUP(0x200, per_cluster_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x210, per_cluster_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x220, per_cluster_ras_group),
|
||||
ADD_ONE_ERR_GROUP(0x230, per_cluster_ras_group),
|
||||
|
||||
/*
|
||||
* SCF L3_Bank ras error records
|
||||
* ERRSELR: 3*256 + L3_Bank_ID, L3_Bank_ID: 0-3
|
||||
* 1 groups, 4 nodes in total.
|
||||
*/
|
||||
ADD_ONE_ERR_GROUP(0x300, scf_l3_ras_group),
|
||||
|
||||
/*
|
||||
* CCPLEX ras error records
|
||||
* ERRSELR: 4*256 + Unit_ID, Unit_ID: 0 - 4
|
||||
* 1 groups, 5 nodes in total.
|
||||
*/
|
||||
ADD_ONE_ERR_GROUP(0x400, ccplex_ras_group),
|
||||
};
|
||||
|
||||
REGISTER_ERR_RECORD_INFO(carmel_ras_records);
|
||||
|
||||
/* dummy RAS interrupt */
|
||||
static struct ras_interrupt carmel_ras_interrupts[] = {};
|
||||
REGISTER_RAS_INTERRUPTS(carmel_ras_interrupts);
|
||||
|
||||
/*******************************************************************************
|
||||
* RAS handler for the platform
|
||||
******************************************************************************/
|
||||
void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
|
||||
void *handle, uint64_t flags)
|
||||
{
|
||||
#if RAS_EXTENSION
|
||||
tegra194_ea_handler(ea_reason, syndrome, cookie, handle, flags);
|
||||
#else
|
||||
ERROR("Unhandled External Abort received on 0x%llx at EL3!\n",
|
||||
read_mpidr_el1());
|
||||
ERROR(" exception reason=%u syndrome=0x%lx\n", ea_reason, syndrome);
|
||||
panic();
|
||||
#endif
|
||||
}
|
|
@ -208,6 +208,11 @@ void plat_early_platform_setup(void)
|
|||
/* sanity check MCE firmware compatibility */
|
||||
mce_verify_firmware_version();
|
||||
|
||||
#if RAS_EXTENSION
|
||||
/* Enable Uncorrectable RAS error */
|
||||
tegra194_ras_enable();
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Program XUSB STREAMIDs
|
||||
* ======================
|
||||
|
|
|
@ -12,6 +12,7 @@
|
|||
#include <common/debug.h>
|
||||
#include <errno.h>
|
||||
#include <mce.h>
|
||||
#include <mce_private.h>
|
||||
#include <memctrl.h>
|
||||
#include <common/runtime_svc.h>
|
||||
#include <tegra_private.h>
|
||||
|
@ -23,6 +24,7 @@
|
|||
* Tegra194 SiP SMCs
|
||||
******************************************************************************/
|
||||
#define TEGRA_SIP_GET_SMMU_PER 0xC200FF00U
|
||||
#define TEGRA_SIP_CLEAR_RAS_CORRECTED_ERRORS 0xC200FF01U
|
||||
|
||||
/*******************************************************************************
|
||||
* This function is responsible for handling all T194 SiP calls
|
||||
|
@ -69,6 +71,15 @@ int32_t plat_sip_handler(uint32_t smc_fid,
|
|||
|
||||
break;
|
||||
|
||||
#if RAS_EXTENSION
|
||||
case TEGRA_SIP_CLEAR_RAS_CORRECTED_ERRORS:
|
||||
/* clear all RAS error records for corrected errors at first. */
|
||||
tegra194_ras_corrected_err_clear();
|
||||
/* clear HSM corrected error status. */
|
||||
mce_clear_hsm_corr_status();
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
ret = -ENOTSUP;
|
||||
break;
|
||||
|
|
|
@ -30,6 +30,10 @@ $(eval $(call add_define,MAX_XLAT_TABLES))
|
|||
MAX_MMAP_REGIONS := 30
|
||||
$(eval $(call add_define,MAX_MMAP_REGIONS))
|
||||
|
||||
# enable RAS handling
|
||||
HANDLE_EA_EL3_FIRST := 1
|
||||
RAS_EXTENSION := 1
|
||||
|
||||
# platform files
|
||||
PLAT_INCLUDES += -Iplat/nvidia/tegra/include/t194 \
|
||||
-I${SOC_DIR}/drivers/include
|
||||
|
@ -56,3 +60,10 @@ BL31_SOURCES += drivers/ti/uart/aarch64/16550_console.S \
|
|||
ifeq (${ENABLE_CONSOLE_SPE},1)
|
||||
BL31_SOURCES += ${COMMON_DIR}/drivers/spe/shared_console.S
|
||||
endif
|
||||
|
||||
# RAS sources
|
||||
ifeq (${RAS_EXTENSION},1)
|
||||
BL31_SOURCES += lib/extensions/ras/std_err_record.c \
|
||||
lib/extensions/ras/ras_common.c \
|
||||
${SOC_DIR}/plat_ras.c
|
||||
endif
|
||||
|
|
Loading…
Reference in New Issue