Tegra194: add RAS exception handling
This patch adds all Tegra194 RAS nodes definitions and support to
handle all uncorrectable RAS errors.
Change-Id: I109b5a8dbca91d92752dc282c4ca30f273c475f9
Signed-off-by: David Pu <dpu@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/include/platform_def.h b/plat/nvidia/tegra/include/platform_def.h
index 678b15c..2331869 100644
--- a/plat/nvidia/tegra/include/platform_def.h
+++ b/plat/nvidia/tegra/include/platform_def.h
@@ -95,6 +95,7 @@
* Platform macros to support exception handling framework
******************************************************************************/
#define PLAT_PRI_BITS U(3)
+#define PLAT_RAS_PRI U(0x10)
#define PLAT_SDEI_CRITICAL_PRI U(0x20)
#define PLAT_SDEI_NORMAL_PRI U(0x30)
#define PLAT_TEGRA_WDT_PRIO U(0x40)
diff --git a/plat/nvidia/tegra/include/t194/tegra194_ras_private.h b/plat/nvidia/tegra/include/t194/tegra194_ras_private.h
new file mode 100644
index 0000000..c867b9d
--- /dev/null
+++ b/plat/nvidia/tegra/include/t194/tegra194_ras_private.h
@@ -0,0 +1,260 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TEGRA194_RAS_PRIVATE
+#define TEGRA194_RAS_PRIVATE
+
+#include <stdint.h>
+
+/* Implementation defined RAS error and corresponding error message */
+struct ras_error {
+ const char *error_msg;
+ /* IERR(bits[15:8]) from ERR<n>STATUS */
+ uint8_t error_code;
+};
+
+/* RAS error node-specific auxiliary data */
+struct ras_aux_data {
+ /* point to null-terminated ras_error array to convert error code to msg. */
+ const struct ras_error *error_records;
+ /*
+ * function to return an value which needs to be programmed into ERXCTLR_EL1
+ * to enable all specified RAS errors for current node.
+ */
+ uint64_t (*err_ctrl)(void);
+};
+
+/* IFU Uncorrectable RAS ERROR */
+#define IFU_UNCORR_RAS_ERROR_LIST(X)
+
+/* JSR_RET Uncorrectable RAS ERROR */
+#define JSR_RET_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(JSR_RET, 35, 0x13, "Floating Point Register File Parity Error") \
+ X(JSR_RET, 34, 0x12, "Integer Register File Parity Error") \
+ X(JSR_RET, 33, 0x11, "Garbage Bundle") \
+ X(JSR_RET, 32, 0x10, "Bundle Completion Timeout")
+
+/* JSR_MTS Uncorrectable RAS ERROR */
+#define JSR_MTS_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(JSR_MTS, 40, 0x28, "CoreSight Access Error") \
+ X(JSR_MTS, 39, 0x27, "Dual Execution Uncorrectable Error") \
+ X(JSR_MTS, 37, 0x25, "CTU MMIO Region") \
+ X(JSR_MTS, 36, 0x24, "MTS MMCRAB Region Access") \
+ X(JSR_MTS, 35, 0x23, "MTS_CARVEOUT Access from ARM SW") \
+ X(JSR_MTS, 34, 0x22, "NAFLL PLL Failure to Lock") \
+ X(JSR_MTS, 32, 0x20, "Internal Uncorrectable MTS Error")
+
+/* LSD_STQ Uncorrectable RAS ERROR */
+#define LSD_STQ_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(LSD_STQ, 41, 0x39, "Coherent Cache Data Store Multi-Line ECC Error") \
+ X(LSD_STQ, 40, 0x38, "Coherent Cache Data Store Uncorrectable ECC Error") \
+ X(LSD_STQ, 38, 0x36, "Coherent Cache Data Load Uncorrectable ECC Error") \
+ X(LSD_STQ, 33, 0x31, "Coherent Cache Tag Store Parity Error") \
+ X(LSD_STQ, 32, 0x30, "Coherent Cache Tag Load Parity Error")
+
+/* LSD_DCC Uncorrectable RAS ERROR */
+#define LSD_DCC_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(LSD_DCC, 41, 0x49, "BTU Copy Mini-Cache PPN Multi-Hit Error") \
+ X(LSD_DCC, 39, 0x47, "Coherent Cache Data Uncorrectable ECC Error") \
+ X(LSD_DCC, 37, 0x45, "Version Cache Byte-Enable Parity Error") \
+ X(LSD_DCC, 36, 0x44, "Version Cache Data Uncorrectable ECC Error") \
+ X(LSD_DCC, 33, 0x41, "BTU Copy Coherent Cache PPN Parity Error") \
+ X(LSD_DCC, 32, 0x40, "BTU Copy Coherent Cache VPN Parity Error")
+
+/* LSD_L1HPF Uncorrectable RAS ERROR */
+#define LSD_L1HPF_UNCORR_RAS_ERROR_LIST(X)
+
+/* L2 Uncorrectable RAS ERROR */
+#define L2_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(L2, 56, 0x68, "URT Timeout") \
+ X(L2, 55, 0x67, "L2 Protocol Violation") \
+ X(L2, 54, 0x66, "SCF to L2 Slave Error Read") \
+ X(L2, 53, 0x65, "SCF to L2 Slave Error Write") \
+ X(L2, 52, 0x64, "SCF to L2 Decode Error Read") \
+ X(L2, 51, 0x63, "SCF to L2 Decode Error Write") \
+ X(L2, 50, 0x62, "SCF to L2 Request Response Interface Parity Errors") \
+ X(L2, 49, 0x61, "SCF to L2 Advance notice interface parity errors") \
+ X(L2, 48, 0x60, "SCF to L2 Filldata Parity Errors") \
+ X(L2, 47, 0x5F, "SCF to L2 UnCorrectable ECC Data Error on interface") \
+ X(L2, 45, 0x5D, "Core 1 to L2 Parity Error") \
+ X(L2, 44, 0x5C, "Core 0 to L2 Parity Error") \
+ X(L2, 43, 0x5B, "L2 Multi-Hit") \
+ X(L2, 42, 0x5A, "L2 URT Tag Parity Error") \
+ X(L2, 41, 0x59, "L2 NTT Tag Parity Error") \
+ X(L2, 40, 0x58, "L2 MLT Tag Parity Error") \
+ X(L2, 39, 0x57, "L2 URD Data") \
+ X(L2, 38, 0x56, "L2 NTP Data") \
+ X(L2, 36, 0x54, "L2 MLC Uncorrectable Clean") \
+ X(L2, 35, 0x53, "L2 URD Uncorrectable Dirty") \
+ X(L2, 34, 0x52, "L2 MLC Uncorrectable Dirty")
+
+/* CLUSTER_CLOCKS Uncorrectable RAS ERROR */
+#define CLUSTER_CLOCKS_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(CLUSTER_CLOCKS, 32, 0xE4, "Frequency Monitor Error")
+
+/* MMU Uncorrectable RAS ERROR */
+#define MMU_UNCORR_RAS_ERROR_LIST(X)
+
+/* L3 Uncorrectable RAS ERROR */
+#define L3_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(L3, 43, 0x7B, "SNOC Interface Parity Error") \
+ X(L3, 42, 0x7A, "MCF Interface Parity Error") \
+ X(L3, 41, 0x79, "L3 Tag Parity Error") \
+ X(L3, 40, 0x78, "L3 Dir Parity Error") \
+ X(L3, 39, 0x77, "L3 Uncorrectable ECC Error") \
+ X(L3, 37, 0x75, "Multi-Hit CAM Error") \
+ X(L3, 36, 0x74, "Multi-Hit Tag Error") \
+ X(L3, 35, 0x73, "Unrecognized Command Error") \
+ X(L3, 34, 0x72, "L3 Protocol Error")
+
+/* CCPMU Uncorrectable RAS ERROR */
+#define CCPMU_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(CCPMU, 40, 0x87, "CoreSight Access Error") \
+ X(CCPMU, 36, 0x84, "MCE Ucode Error") \
+ X(CCPMU, 35, 0x83, "MCE IL1 Parity Error") \
+ X(CCPMU, 34, 0x82, "MCE Timeout Error") \
+ X(CCPMU, 33, 0x81, "CRAB Access Error") \
+ X(CCPMU, 32, 0x80, "MCE Memory Access Error")
+
+/* SCF_IOB Uncorrectable RAS ERROR */
+#define SCF_IOB_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(SCF_IOB, 41, 0x99, "Request parity error") \
+ X(SCF_IOB, 40, 0x98, "Putdata parity error") \
+ X(SCF_IOB, 39, 0x97, "Uncorrectable ECC on Putdata") \
+ X(SCF_IOB, 38, 0x96, "CBB Interface Error") \
+ X(SCF_IOB, 37, 0x95, "MMCRAB Error") \
+ X(SCF_IOB, 36, 0x94, "IHI Interface Error") \
+ X(SCF_IOB, 35, 0x93, "CRI Error") \
+ X(SCF_IOB, 34, 0x92, "TBX Interface Error") \
+ X(SCF_IOB, 33, 0x91, "EVP Interface Error")
+
+/* SCF_SNOC Uncorrectable RAS ERROR */
+#define SCF_SNOC_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(SCF_SNOC, 42, 0xAA, "Misc Client Parity Error") \
+ X(SCF_SNOC, 41, 0xA9, "Misc Filldata Parity Error") \
+ X(SCF_SNOC, 40, 0xA8, "Uncorrectable ECC Misc Client") \
+ X(SCF_SNOC, 39, 0xA7, "DVMU Interface Parity Error") \
+ X(SCF_SNOC, 38, 0xA6, "DVMU Interface Timeout Error") \
+ X(SCF_SNOC, 37, 0xA5, "CPE Request Error") \
+ X(SCF_SNOC, 36, 0xA4, "CPE Response Error") \
+ X(SCF_SNOC, 35, 0xA3, "CPE Timeout Error") \
+ X(SCF_SNOC, 34, 0xA2, "Uncorrectable Carveout Error")
+
+/* SCF_CTU Uncorrectable RAS ERROR */
+#define SCF_CTU_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(SCF_CTU, 39, 0xB7, "Timeout error for TRC_DMA request") \
+ X(SCF_CTU, 38, 0xB6, "Timeout error for CTU Snp") \
+ X(SCF_CTU, 37, 0xB5, "Parity error in CTU TAG RAM") \
+ X(SCF_CTU, 36, 0xB3, "Parity error in CTU DATA RAM") \
+ X(SCF_CTU, 35, 0xB4, "Parity error for Cluster Rsp") \
+ X(SCF_CTU, 34, 0xB2, "Parity error for TRL requests from 9 agents") \
+ X(SCF_CTU, 33, 0xB1, "Parity error for MCF request") \
+ X(SCF_CTU, 32, 0xB0, "TRC DMA fillsnoop parity error")
+
+/* CMU_CLOCKS Uncorrectable RAS ERROR */
+#define CMU_CLOCKS_UNCORR_RAS_ERROR_LIST(X) \
+ /* Name, ERR_CTRL, IERR, ISA Desc */ \
+ X(CMU_CLOCKS, 39, 0xC7, "Cluster 3 frequency monitor error") \
+ X(CMU_CLOCKS, 38, 0xC6, "Cluster 2 frequency monitor error") \
+ X(CMU_CLOCKS, 37, 0xC5, "Cluster 1 frequency monitor error") \
+ X(CMU_CLOCKS, 36, 0xC3, "Cluster 0 frequency monitor error") \
+ X(CMU_CLOCKS, 35, 0xC4, "Voltage error on ADC1 Monitored Logic") \
+ X(CMU_CLOCKS, 34, 0xC2, "Voltage error on ADC0 Monitored Logic") \
+ X(CMU_CLOCKS, 33, 0xC1, "Lookup Table 1 Parity Error") \
+ X(CMU_CLOCKS, 32, 0xC0, "Lookup Table 0 Parity Error")
+
+/*
+ * Define one ras_error entry.
+ *
+ * This macro wille be used to to generate ras_error records for each node
+ * defined by <NODE_NAME>_UNCORR_RAS_ERROR_LIST macro.
+ */
+#define DEFINE_ONE_RAS_ERROR_MSG(unit, ras_bit, ierr, msg) \
+ { \
+ .error_msg = (msg), \
+ .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) \
+ { \
+ .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 */
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index f72c9cf..a6d8e68 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -89,7 +89,7 @@
/* 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 +157,8 @@
void *handle,
uint64_t flags);
+#if RAS_EXTENSION
+void tegra194_ras_enable(void);
+#endif
+
#endif /* TEGRA_PRIVATE_H */