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편집 파일: bpmp-abi.h

/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved. */ #ifndef ABI_BPMP_ABI_H #define ABI_BPMP_ABI_H #if defined(LK) || defined(BPMP_ABI_HAVE_STDC) #include <stddef.h> #include <stdint.h> #endif #ifndef BPMP_ABI_PACKED #ifdef __ABI_PACKED #define BPMP_ABI_PACKED __ABI_PACKED #else #define BPMP_ABI_PACKED __attribute__((packed)) #endif #endif #ifdef NO_GCC_EXTENSIONS #define BPMP_ABI_EMPTY char empty; #define BPMP_ABI_EMPTY_ARRAY 1 #else #define BPMP_ABI_EMPTY #define BPMP_ABI_EMPTY_ARRAY 0 #endif #ifndef BPMP_UNION_ANON #ifdef __UNION_ANON #define BPMP_UNION_ANON __UNION_ANON #else #define BPMP_UNION_ANON #endif #endif /** * @file */ /** * @defgroup MRQ MRQ Messages * @brief Messages sent to/from BPMP via IPC * @{ * @defgroup MRQ_Format Message Format * @defgroup MRQ_Codes Message Request (MRQ) Codes * @defgroup MRQ_Payloads Message Payloads * @defgroup Error_Codes Error Codes * @} */ /** * @addtogroup MRQ_Format * @{ * The CPU requests the BPMP to perform a particular service by * sending it an IVC frame containing a single MRQ message. An MRQ * message consists of a @ref mrq_request followed by a payload whose * format depends on mrq_request::mrq. * * The BPMP processes the data and replies with an IVC frame (on the * same IVC channel) containing and MRQ response. An MRQ response * consists of a @ref mrq_response followed by a payload whose format * depends on the associated mrq_request::mrq. * * A well-defined subset of the MRQ messages that the CPU sends to the * BPMP can lead to BPMP eventually sending an MRQ message to the * CPU. For example, when the CPU uses an #MRQ_THERMAL message to set * a thermal trip point, the BPMP may eventually send a single * #MRQ_THERMAL message of its own to the CPU indicating that the trip * point has been crossed. * @} */ /** * @ingroup MRQ_Format * Request an answer from the peer. * This should be set in mrq_request::flags for all requests targetted * at BPMP. For requests originating in BPMP, this flag is optional except * for messages targeting MCE, for which the field must be set. * When this flag is not set, the remote peer must not send a response * back. */ #define BPMP_MAIL_DO_ACK (1U << 0U) /** * @ingroup MRQ_Format * Ring the sender's doorbell when responding. This should be set unless * the sender wants to poll the underlying communications layer directly. * * An optional direction that can be specified in mrq_request::flags. */ #define BPMP_MAIL_RING_DB (1U << 1U) /** * @ingroup MRQ_Format * CRC present */ #define BPMP_MAIL_CRC_PRESENT (1U << 2U) /** * @ingroup MRQ_Format * @brief Header for an MRQ message * * Provides the MRQ number for the MRQ message: #mrq. The remainder of * the MRQ message is a payload (immediately following the * mrq_request) whose format depends on mrq. */ struct mrq_request { /** @brief MRQ number of the request */ uint32_t mrq; /** * @brief 32bit word containing a number of fields as follows: * * struct { * uint8_t options:4; * uint8_t xid:4; * uint8_t payload_length; * uint16_t crc16; * }; * * **options** directions to the receiver and indicates CRC presence. * * #BPMP_MAIL_DO_ACK and #BPMP_MAIL_RING_DB see documentation of respective options. * #BPMP_MAIL_CRC_PRESENT is supported on T234 and later platforms. It indicates the * crc16, xid and length fields are present when set. * Some platform configurations, especially when targeted to applications requiring * functional safety, mandate this option being set or otherwise will respond with * -BPMP_EBADMSG and ignore the request. * * **xid** is a transaction ID. * * Only used when #BPMP_MAIL_CRC_PRESENT is set. * * **payload_length** of the message expressed in bytes without the size of this header. * See table below for minimum accepted payload lengths for each MRQ. * Note: For DMCE communication, this field expresses the length as a multiple of 4 bytes * rather than bytes. * * Only used when #BPMP_MAIL_CRC_PRESENT is set. * * | MRQ | CMD | minimum payload length * | -------------------- | ------------------------------------ | ------------------------------------------ | * | MRQ_PING | | 4 | * | MRQ_THREADED_PING | | 4 | * | MRQ_RESET | any | 8 | * | MRQ_I2C | | 12 + cmd_i2c_xfer_request.data_size | * | MRQ_CLK | CMD_CLK_GET_RATE | 4 | * | MRQ_CLK | CMD_CLK_SET_RATE | 16 | * | MRQ_CLK | CMD_CLK_ROUND_RATE | 16 | * | MRQ_CLK | CMD_CLK_GET_PARENT | 4 | * | MRQ_CLK | CMD_CLK_SET_PARENT | 8 | * | MRQ_CLK | CMD_CLK_ENABLE | 4 | * | MRQ_CLK | CMD_CLK_DISABLE | 4 | * | MRQ_CLK | CMD_CLK_IS_ENABLED | 4 | * | MRQ_CLK | CMD_CLK_GET_ALL_INFO | 4 | * | MRQ_CLK | CMD_CLK_GET_MAX_CLK_ID | 4 | * | MRQ_CLK | CMD_CLK_GET_FMAX_AT_VMIN | 4 | * | MRQ_QUERY_ABI | | 4 | * | MRQ_PG | CMD_PG_QUERY_ABI | 12 | * | MRQ_PG | CMD_PG_SET_STATE | 12 | * | MRQ_PG | CMD_PG_GET_STATE | 8 | * | MRQ_PG | CMD_PG_GET_NAME | 8 | * | MRQ_PG | CMD_PG_GET_MAX_ID | 8 | * | MRQ_THERMAL | CMD_THERMAL_QUERY_ABI | 8 | * | MRQ_THERMAL | CMD_THERMAL_GET_TEMP | 8 | * | MRQ_THERMAL | CMD_THERMAL_SET_TRIP | 20 | * | MRQ_THERMAL | CMD_THERMAL_GET_NUM_ZONES | 4 | * | MRQ_THERMAL | CMD_THERMAL_GET_THERMTRIP | 8 | * | MRQ_CPU_VHINT | | 8 | * | MRQ_ABI_RATCHET | | 2 | * | MRQ_EMC_DVFS_LATENCY | | 8 | * | MRQ_EMC_DVFS_EMCHUB | | 8 | * | MRQ_EMC_DISP_RFL | | 4 | * | MRQ_BWMGR | CMD_BWMGR_QUERY_ABI | 8 | * | MRQ_BWMGR | CMD_BWMGR_CALC_RATE | 8 + 8 * bwmgr_rate_req.num_iso_clients | * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_QUERY_ABI | 8 | * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_CALCULATE_LA | 16 | * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_SET_LA | 16 | * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_GET_MAX_BW | 8 | * | MRQ_CPU_NDIV_LIMITS | | 4 | * | MRQ_CPU_AUTO_CC3 | | 4 | * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_READ | 5 | * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | * | MRQ_STRAP | STRAP_SET | 12 | * | MRQ_UPHY | CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | * | MRQ_UPHY | CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | * | MRQ_UPHY | CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | * | MRQ_UPHY | CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | * | MRQ_UPHY | CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | * | MRQ_FMON | CMD_FMON_GEAR_CLAMP | 16 | * | MRQ_FMON | CMD_FMON_GEAR_FREE | 4 | * | MRQ_FMON | CMD_FMON_GEAR_GET | 4 | * | MRQ_FMON | CMD_FMON_FAULT_STS_GET | 8 | * | MRQ_EC | CMD_EC_STATUS_EX_GET | 12 | * | MRQ_QUERY_FW_TAG | | 0 | * | MRQ_DEBUG | CMD_DEBUG_OPEN_RO | 4 + length of cmd_debug_fopen_request.name | * | MRQ_DEBUG | CMD_DEBUG_OPEN_WO | 4 + length of cmd_debug_fopen_request.name | * | MRQ_DEBUG | CMD_DEBUG_READ | 8 | * | MRQ_DEBUG | CMD_DEBUG_WRITE | 12 + cmd_debug_fwrite_request.datalen | * | MRQ_DEBUG | CMD_DEBUG_CLOSE | 8 | * | MRQ_TELEMETRY | | 8 | * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_QUERY_ABI | 8 | * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_SET | 20 | * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_GET | 16 | * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_CURR_CAP | 8 | * | MRQ_GEARS | | 0 | * | MRQ_BWMGR_INT | CMD_BWMGR_INT_QUERY_ABI | 8 | * | MRQ_BWMGR_INT | CMD_BWMGR_INT_CALC_AND_SET | 16 | * | MRQ_BWMGR_INT | CMD_BWMGR_INT_CAP_SET | 8 | * | MRQ_OC_STATUS | | 0 | * * **crc16** * * CRC16 using polynomial x^16 + x^14 + x^12 + x^11 + x^8 + x^5 + x^4 + x^2 + 1 * and initialization value 0x4657. The CRC is calculated over all bytes of the message * including this header. However the crc16 field is considered to be set to 0 when * calculating the CRC. Only used when #BPMP_MAIL_CRC_PRESENT is set. If * #BPMP_MAIL_CRC_PRESENT is set and this field does not match the CRC as * calculated by BPMP, -BPMP_EBADMSG will be returned and the request will * be ignored. See code snippet below on how to calculate the CRC. * * @code * uint16_t calc_crc_digest(uint16_t crc, uint8_t *data, size_t size) * { * for (size_t i = 0; i < size; i++) { * crc ^= data[i] << 8; * for (size_t j = 0; j < 8; j++) { * if ((crc & 0x8000) == 0x8000) { * crc = (crc << 1) ^ 0xAC9A; * } else { * crc = (crc << 1); * } * } * } * return crc; * } * * uint16_t calc_crc(uint8_t *data, size_t size) * { * return calc_crc_digest(0x4657, data, size); * } * @endcode */ uint32_t flags; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Format * @brief Header for an MRQ response * * Provides an error code for the associated MRQ message. The * remainder of the MRQ response is a payload (immediately following * the mrq_response) whose format depends on the associated * mrq_request::mrq */ struct mrq_response { /** @brief Error code for the MRQ request itself */ int32_t err; /** * @brief 32bit word containing a number of fields as follows: * * struct { * uint8_t options:4; * uint8_t xid:4; * uint8_t payload_length; * uint16_t crc16; * }; * * **options** indicates CRC presence. * * #BPMP_MAIL_CRC_PRESENT is supported on T234 and later platforms and * indicates the crc16 related fields are present when set. * * **xid** is the transaction ID as sent by the requestor. * * **length** of the message expressed in bytes without the size of this header. * Note: For DMCE communication, this field expresses the length as a multiple of 4 bytes * rather than bytes. * * **crc16** * * CRC16 using polynomial x^16 + x^14 + x^12 + x^11 + x^8 + x^5 + x^4 + x^2 + 1 * and initialization value 0x4657. The CRC is calculated over all bytes of the message * including this header. However the crc16 field is considered to be set to 0 when * calculating the CRC. Only used when #BPMP_MAIL_CRC_PRESENT is set. */ uint32_t flags; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Format * Minimum needed size for an IPC message buffer */ #define MSG_MIN_SZ 128U /** * @ingroup MRQ_Format * Minimum size guaranteed for data in an IPC message buffer */ #define MSG_DATA_MIN_SZ 120U /** * @ingroup MRQ_Codes * @name Legal MRQ codes * These are the legal values for mrq_request::mrq * @{ */ #define MRQ_PING 0U #define MRQ_QUERY_TAG 1U #define MRQ_THREADED_PING 9U #define MRQ_DEBUGFS 19U #define MRQ_RESET 20U #define MRQ_I2C 21U #define MRQ_CLK 22U #define MRQ_QUERY_ABI 23U #define MRQ_THERMAL 27U #define MRQ_CPU_VHINT 28U #define MRQ_ABI_RATCHET 29U #define MRQ_EMC_DVFS_LATENCY 31U #define MRQ_RINGBUF_CONSOLE 65U #define MRQ_PG 66U #define MRQ_CPU_NDIV_LIMITS 67U #define MRQ_STRAP 68U #define MRQ_UPHY 69U #define MRQ_CPU_AUTO_CC3 70U #define MRQ_QUERY_FW_TAG 71U #define MRQ_FMON 72U #define MRQ_EC 73U #define MRQ_DEBUG 75U #define MRQ_EMC_DVFS_EMCHUB 76U #define MRQ_BWMGR 77U #define MRQ_ISO_CLIENT 78U #define MRQ_EMC_DISP_RFL 79U #define MRQ_TELEMETRY 80U #define MRQ_PWR_LIMIT 81U #define MRQ_GEARS 82U #define MRQ_BWMGR_INT 83U #define MRQ_OC_STATUS 84U /** @cond DEPRECATED */ #define MRQ_RESERVED_2 2U #define MRQ_RESERVED_3 3U #define MRQ_RESERVED_4 4U #define MRQ_RESERVED_5 5U #define MRQ_RESERVED_6 6U #define MRQ_RESERVED_7 7U #define MRQ_RESERVED_8 8U #define MRQ_RESERVED_10 10U #define MRQ_RESERVED_11 11U #define MRQ_RESERVED_12 12U #define MRQ_RESERVED_13 13U #define MRQ_RESERVED_14 14U #define MRQ_RESERVED_15 15U #define MRQ_RESERVED_16 16U #define MRQ_RESERVED_17 17U #define MRQ_RESERVED_18 18U #define MRQ_RESERVED_24 24U #define MRQ_RESERVED_25 25U #define MRQ_RESERVED_26 26U #define MRQ_RESERVED_30 30U #define MRQ_RESERVED_64 64U #define MRQ_RESERVED_74 74U /** @endcond DEPRECATED */ /** @} */ /** * @ingroup MRQ_Codes * @brief Maximum MRQ code to be sent by CPU software to * BPMP. Subject to change in future */ #define MAX_CPU_MRQ_ID 84U /** * @addtogroup MRQ_Payloads * @{ * @defgroup Ping Ping * @defgroup Query_Tag Query Tag * @defgroup Module Loadable Modules * @defgroup Trace Trace * @defgroup Debugfs Debug File System * @defgroup Reset Reset * @defgroup I2C I2C * @defgroup Clocks Clocks * @defgroup ABI_info ABI Info * @defgroup Powergating Power Gating * @defgroup Thermal Thermal * @defgroup OC_status OC status * @defgroup Vhint CPU Voltage hint * @defgroup EMC EMC * @defgroup BWMGR BWMGR * @defgroup ISO_CLIENT ISO_CLIENT * @defgroup CPU NDIV Limits * @defgroup RingbufConsole Ring Buffer Console * @defgroup Strap Straps * @defgroup UPHY UPHY * @defgroup CC3 Auto-CC3 * @defgroup FMON FMON * @defgroup EC EC * @defgroup Telemetry Telemetry * @defgroup Pwrlimit PWR_LIMIT * @defgroup Gears Gears * @defgroup BWMGR_INT Bandwidth Manager Integrated * @} MRQ_Payloads */ /** * @ingroup MRQ_Codes * @def MRQ_PING * @brief A simple ping * * * Platforms: All * * Initiators: Any * * Targets: Any * * Request Payload: @ref mrq_ping_request * * Response Payload: @ref mrq_ping_response * * @ingroup MRQ_Codes * @def MRQ_THREADED_PING * @brief A deeper ping * * * Platforms: All * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_ping_request * * Response Payload: @ref mrq_ping_response * * Behavior is equivalent to a simple #MRQ_PING except that BPMP * responds from a thread context (providing a slightly more robust * sign of life). * */ /** * @ingroup Ping * @brief Request with #MRQ_PING * * Used by the sender of an #MRQ_PING message to request a pong from * recipient. The response from the recipient is computed based on * #challenge. */ struct mrq_ping_request { /** @brief Arbitrarily chosen value */ uint32_t challenge; } BPMP_ABI_PACKED; /** * @ingroup Ping * @brief Response to #MRQ_PING * * Sent in response to an #MRQ_PING message. #reply should be the * mrq_ping_request challenge left shifted by 1 with the carry-bit * dropped. * */ struct mrq_ping_response { /** @brief Response to the MRQ_PING challege */ uint32_t reply; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_QUERY_TAG * @brief Query BPMP firmware's tag (i.e. unique identifer) * * @deprecated Use #MRQ_QUERY_FW_TAG instead. * * * Platforms: All * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_query_tag_request * * Response Payload: N/A * */ /** * @ingroup Query_Tag * @brief Request with #MRQ_QUERY_TAG * * @deprecated This structure will be removed in future version. * Use MRQ_QUERY_FW_TAG instead. */ struct mrq_query_tag_request { /** @brief Base address to store the firmware tag */ uint32_t addr; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_QUERY_FW_TAG * @brief Query BPMP firmware's tag (i.e. unique identifier) * * * Platforms: All * * Initiators: Any * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_query_fw_tag_response * */ /** * @ingroup Query_Tag * @brief Response to #MRQ_QUERY_FW_TAG * * Sent in response to #MRQ_QUERY_FW_TAG message. #tag contains the unique * identifier for the version of firmware issuing the reply. * */ struct mrq_query_fw_tag_response { /** @brief Array to store tag information */ uint8_t tag[32]; } BPMP_ABI_PACKED; /** @private */ struct mrq_threaded_ping_request { uint32_t challenge; } BPMP_ABI_PACKED; /** @private */ struct mrq_threaded_ping_response { uint32_t reply; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_DEBUGFS * @brief Interact with BPMP's debugfs file nodes * * @deprecated use MRQ_DEBUG instead. * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debugfs_request * * Response Payload: @ref mrq_debugfs_response */ /** * @addtogroup Debugfs * @{ * * The BPMP firmware implements a pseudo-filesystem called * debugfs. Any driver within the firmware may register with debugfs * to expose an arbitrary set of "files" in the filesystem. When * software on the CPU writes to a debugfs file, debugfs passes the * written data to a callback provided by the driver. When software on * the CPU reads a debugfs file, debugfs queries the driver for the * data to return to the CPU. The intention of the debugfs filesystem * is to provide information useful for debugging the system at * runtime. * * @note The files exposed via debugfs are not part of the * BPMP firmware's ABI. debugfs files may be added or removed in any * given version of the firmware. Typically the semantics of a debugfs * file are consistent from version to version but even that is not * guaranteed. * * @} */ /** @ingroup Debugfs */ enum mrq_debugfs_commands { /** @brief Perform read */ CMD_DEBUGFS_READ = 1, /** @brief Perform write */ CMD_DEBUGFS_WRITE = 2, /** @brief Perform dumping directory */ CMD_DEBUGFS_DUMPDIR = 3, /** @brief Not a command */ CMD_DEBUGFS_MAX }; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_fileop_request { /** @brief Physical address pointing at filename */ uint32_t fnameaddr; /** @brief Length in bytes of filename buffer */ uint32_t fnamelen; /** @brief Physical address pointing to data buffer */ uint32_t dataaddr; /** @brief Length in bytes of data buffer */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_dumpdir_request { /** @brief Physical address pointing to data buffer */ uint32_t dataaddr; /** @brief Length in bytes of data buffer */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUGFS_READ/WRITE command */ struct cmd_debugfs_fileop_response { /** @brief Always 0 */ uint32_t reserved; /** @brief Number of bytes read from or written to data buffer */ uint32_t nbytes; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUGFS_DUMPDIR command */ struct cmd_debugfs_dumpdir_response { /** @brief Always 0 */ uint32_t reserved; /** @brief Number of bytes read from or written to data buffer */ uint32_t nbytes; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Request with #MRQ_DEBUGFS. * * The sender of an MRQ_DEBUGFS message uses #cmd to specify a debugfs * command to execute. Legal commands are the values of @ref * mrq_debugfs_commands. Each command requires a specific additional * payload of data. * * |command |payload| * |-------------------|-------| * |CMD_DEBUGFS_READ |fop | * |CMD_DEBUGFS_WRITE |fop | * |CMD_DEBUGFS_DUMPDIR|dumpdir| */ struct mrq_debugfs_request { /** @brief Sub-command (@ref mrq_debugfs_commands) */ uint32_t cmd; union { struct cmd_debugfs_fileop_request fop; struct cmd_debugfs_dumpdir_request dumpdir; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup Debugfs */ struct mrq_debugfs_response { /** @brief Always 0 */ int32_t reserved; union { /** @brief Response data for CMD_DEBUGFS_READ OR * CMD_DEBUGFS_WRITE command */ struct cmd_debugfs_fileop_response fop; /** @brief Response data for CMD_DEBUGFS_DUMPDIR command */ struct cmd_debugfs_dumpdir_response dumpdir; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @addtogroup Debugfs * @{ */ #define DEBUGFS_S_ISDIR (1 << 9) #define DEBUGFS_S_IRUSR (1 << 8) #define DEBUGFS_S_IWUSR (1 << 7) /** @} Debugfs */ /** * @ingroup MRQ_Codes * @def MRQ_DEBUG * @brief Interact with BPMP's debugfs file nodes. Use message payload * for exchanging data. This is functionally equivalent to * @ref MRQ_DEBUGFS. But the way in which data is exchanged is different. * When software running on CPU tries to read a debugfs file, * the file path and read data will be stored in message payload. * Since the message payload size is limited, a debugfs file * transaction might require multiple frames of data exchanged * between BPMP and CPU until the transaction completes. * * * Platforms: T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debug_request * * Response Payload: @ref mrq_debug_response */ /** @ingroup Debugfs */ enum mrq_debug_commands { /** @brief Open required file for read operation */ CMD_DEBUG_OPEN_RO = 0, /** @brief Open required file for write operation */ CMD_DEBUG_OPEN_WO = 1, /** @brief Perform read */ CMD_DEBUG_READ = 2, /** @brief Perform write */ CMD_DEBUG_WRITE = 3, /** @brief Close file */ CMD_DEBUG_CLOSE = 4, /** @brief Not a command */ CMD_DEBUG_MAX }; /** * @ingroup Debugfs * @brief Maximum number of files that can be open at a given time */ #define DEBUG_MAX_OPEN_FILES 1 /** * @ingroup Debugfs * @brief Maximum size of null-terminated file name string in bytes. * Value is derived from memory available in message payload while * using @ref cmd_debug_fopen_request * Value 4 corresponds to size of @ref mrq_debug_commands * in @ref mrq_debug_request. * 120 - 4 dbg_cmd(32bit) = 116 */ #define DEBUG_FNAME_MAX_SZ (MSG_DATA_MIN_SZ - 4) /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_OPEN command */ struct cmd_debug_fopen_request { /** @brief File name - Null-terminated string with maximum * length @ref DEBUG_FNAME_MAX_SZ */ char name[DEBUG_FNAME_MAX_SZ]; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Response data for CMD_DEBUG_OPEN_RO/WO command */ struct cmd_debug_fopen_response { /** @brief Identifier for file access */ uint32_t fd; /** @brief Data length. File data size for READ command. * Maximum allowed length for WRITE command */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_READ command */ struct cmd_debug_fread_request { /** @brief File access identifier received in response * to CMD_DEBUG_OPEN_RO request */ uint32_t fd; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Maximum size of read data in bytes. * Value is derived from memory available in message payload while * using @ref cmd_debug_fread_response. */ #define DEBUG_READ_MAX_SZ (MSG_DATA_MIN_SZ - 4) /** * @ingroup Debugfs * @brief Response data for CMD_DEBUG_READ command */ struct cmd_debug_fread_response { /** @brief Size of data provided in this response in bytes */ uint32_t readlen; /** @brief File data from seek position */ char data[DEBUG_READ_MAX_SZ]; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Maximum size of write data in bytes. * Value is derived from memory available in message payload while * using @ref cmd_debug_fwrite_request. */ #define DEBUG_WRITE_MAX_SZ (MSG_DATA_MIN_SZ - 12) /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_WRITE command */ struct cmd_debug_fwrite_request { /** @brief File access identifier received in response * to CMD_DEBUG_OPEN_RO request */ uint32_t fd; /** @brief Size of write data in bytes */ uint32_t datalen; /** @brief Data to be written */ char data[DEBUG_WRITE_MAX_SZ]; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Parameters for CMD_DEBUG_CLOSE command */ struct cmd_debug_fclose_request { /** @brief File access identifier received in response * to CMD_DEBUG_OPEN_RO request */ uint32_t fd; } BPMP_ABI_PACKED; /** * @ingroup Debugfs * @brief Request with #MRQ_DEBUG. * * The sender of an MRQ_DEBUG message uses #cmd to specify a debugfs * command to execute. Legal commands are the values of @ref * mrq_debug_commands. Each command requires a specific additional * payload of data. * * |command |payload| * |-------------------|-------| * |CMD_DEBUG_OPEN_RO |fop | * |CMD_DEBUG_OPEN_WO |fop | * |CMD_DEBUG_READ |frd | * |CMD_DEBUG_WRITE |fwr | * |CMD_DEBUG_CLOSE |fcl | */ struct mrq_debug_request { /** @brief Sub-command (@ref mrq_debug_commands) */ uint32_t cmd; union { /** @brief Request payload for CMD_DEBUG_OPEN_RO/WO command */ struct cmd_debug_fopen_request fop; /** @brief Request payload for CMD_DEBUG_READ command */ struct cmd_debug_fread_request frd; /** @brief Request payload for CMD_DEBUG_WRITE command */ struct cmd_debug_fwrite_request fwr; /** @brief Request payload for CMD_DEBUG_CLOSE command */ struct cmd_debug_fclose_request fcl; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup Debugfs */ struct mrq_debug_response { union { /** @brief Response data for CMD_DEBUG_OPEN_RO/WO command */ struct cmd_debug_fopen_response fop; /** @brief Response data for CMD_DEBUG_READ command */ struct cmd_debug_fread_response frd; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup MRQ_Codes * @def MRQ_RESET * @brief Reset an IP block * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_reset_request * * Response Payload: @ref mrq_reset_response * * @addtogroup Reset * @{ */ enum mrq_reset_commands { /** * @brief Assert module reset * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid @n * -#BPMP_EACCES if mrq master is not an owner of target domain reset @n * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_ASSERT = 1, /** * @brief Deassert module reset * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid @n * -#BPMP_EACCES if mrq master is not an owner of target domain reset @n * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_DEASSERT = 2, /** * @brief Assert and deassert the module reset * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid @n * -#BPMP_EACCES if mrq master is not an owner of target domain reset @n * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_MODULE = 3, /** * @brief Get the highest reset ID * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_ENODEV if no reset domains are supported (number of IDs is 0) */ CMD_RESET_GET_MAX_ID = 4, /** @brief Not part of ABI and subject to change */ CMD_RESET_MAX, }; /** * @brief Request with MRQ_RESET * * Used by the sender of an #MRQ_RESET message to request BPMP to * assert or deassert a given reset line. */ struct mrq_reset_request { /** @brief Reset action to perform (@ref mrq_reset_commands) */ uint32_t cmd; /** @brief Id of the reset to affected */ uint32_t reset_id; } BPMP_ABI_PACKED; /** * @brief Response for MRQ_RESET sub-command CMD_RESET_GET_MAX_ID. When * this sub-command is not supported, firmware will return -BPMP_EBADCMD * in mrq_response::err. */ struct cmd_reset_get_max_id_response { /** @brief Max reset id */ uint32_t max_id; } BPMP_ABI_PACKED; /** * @brief Response with MRQ_RESET * * Each sub-command supported by @ref mrq_reset_request may return * sub-command-specific data. Some do and some do not as indicated * in the following table * * | sub-command | payload | * |----------------------|------------------| * | CMD_RESET_ASSERT | - | * | CMD_RESET_DEASSERT | - | * | CMD_RESET_MODULE | - | * | CMD_RESET_GET_MAX_ID | reset_get_max_id | */ struct mrq_reset_response { union { struct cmd_reset_get_max_id_response reset_get_max_id; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Reset */ /** * @ingroup MRQ_Codes * @def MRQ_I2C * @brief Issue an i2c transaction * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_i2c_request * * Response Payload: @ref mrq_i2c_response * * @addtogroup I2C * @{ */ #define TEGRA_I2C_IPC_MAX_IN_BUF_SIZE (MSG_DATA_MIN_SZ - 12U) #define TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE (MSG_DATA_MIN_SZ - 4U) #define SERIALI2C_TEN 0x0010U #define SERIALI2C_RD 0x0001U #define SERIALI2C_STOP 0x8000U #define SERIALI2C_NOSTART 0x4000U #define SERIALI2C_REV_DIR_ADDR 0x2000U #define SERIALI2C_IGNORE_NAK 0x1000U #define SERIALI2C_NO_RD_ACK 0x0800U #define SERIALI2C_RECV_LEN 0x0400U enum { CMD_I2C_XFER = 1 }; /** * @brief Serializable i2c request * * Instances of this structure are packed (little-endian) into * cmd_i2c_xfer_request::data_buf. Each instance represents a single * transaction (or a portion of a transaction with repeated starts) on * an i2c bus. * * Because these structures are packed, some instances are likely to * be misaligned. Additionally because #data is variable length, it is * not possible to iterate through a serialized list of these * structures without inspecting #len in each instance. It may be * easier to serialize or deserialize cmd_i2c_xfer_request::data_buf * manually rather than using this structure definition. */ struct serial_i2c_request { /** @brief I2C slave address */ uint16_t addr; /** @brief Bitmask of SERIALI2C_ flags */ uint16_t flags; /** @brief Length of I2C transaction in bytes */ uint16_t len; /** @brief For write transactions only, #len bytes of data */ uint8_t data[]; } BPMP_ABI_PACKED; /** * @brief Trigger one or more i2c transactions */ struct cmd_i2c_xfer_request { /** * @brief Tegra PWR_I2C bus identifier * * @cond (bpmp_t234 || bpmp_t239 || bpmp_t194) * Must be set to 5. * @endcond (bpmp_t234 || bpmp_t239 || bpmp_t194) * @cond bpmp_th500 * Must be set to 1. * @endcond bpmp_th500 * */ uint32_t bus_id; /** @brief Count of valid bytes in #data_buf*/ uint32_t data_size; /** @brief Serialized packed instances of @ref serial_i2c_request*/ uint8_t data_buf[TEGRA_I2C_IPC_MAX_IN_BUF_SIZE]; } BPMP_ABI_PACKED; /** * @brief Container for data read from the i2c bus * * Processing an cmd_i2c_xfer_request::data_buf causes BPMP to execute * zero or more I2C reads. The data read from the bus is serialized * into #data_buf. */ struct cmd_i2c_xfer_response { /** @brief Count of valid bytes in #data_buf*/ uint32_t data_size; /** @brief I2c read data */ uint8_t data_buf[TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE]; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_I2C */ struct mrq_i2c_request { /** @brief Always CMD_I2C_XFER (i.e. 1) */ uint32_t cmd; /** @brief Parameters of the transfer request */ struct cmd_i2c_xfer_request xfer; } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_I2C * * mrq_response:err is * 0: Success * -#BPMP_EBADCMD: if mrq_i2c_request::cmd is other than 1 * -#BPMP_EINVAL: if cmd_i2c_xfer_request does not contain correctly formatted request * -#BPMP_ENODEV: if cmd_i2c_xfer_request::bus_id is not supported by BPMP * -#BPMP_EACCES: if i2c transaction is not allowed due to firewall rules * -#BPMP_ETIMEDOUT: if i2c transaction times out * -#BPMP_ENXIO: if i2c slave device does not reply with ACK to the transaction * -#BPMP_EAGAIN: if ARB_LOST condition is detected by the i2c controller * -#BPMP_EIO: any other i2c controller error code than NO_ACK or ARB_LOST */ struct mrq_i2c_response { struct cmd_i2c_xfer_response xfer; } BPMP_ABI_PACKED; /** @} I2C */ /** * @ingroup MRQ_Codes * @def MRQ_CLK * @brief Perform a clock operation * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_clk_request * * Response Payload: @ref mrq_clk_response * * @addtogroup Clocks * @{ */ enum { CMD_CLK_GET_RATE = 1, CMD_CLK_SET_RATE = 2, CMD_CLK_ROUND_RATE = 3, CMD_CLK_GET_PARENT = 4, CMD_CLK_SET_PARENT = 5, CMD_CLK_IS_ENABLED = 6, CMD_CLK_ENABLE = 7, CMD_CLK_DISABLE = 8, /** @cond DEPRECATED */ CMD_CLK_PROPERTIES = 9, CMD_CLK_POSSIBLE_PARENTS = 10, CMD_CLK_NUM_POSSIBLE_PARENTS = 11, CMD_CLK_GET_POSSIBLE_PARENT = 12, CMD_CLK_RESET_REFCOUNTS = 13, /** @endcond DEPRECATED */ CMD_CLK_GET_ALL_INFO = 14, CMD_CLK_GET_MAX_CLK_ID = 15, CMD_CLK_GET_FMAX_AT_VMIN = 16, CMD_CLK_MAX, }; #define BPMP_CLK_HAS_MUX (1U << 0U) #define BPMP_CLK_HAS_SET_RATE (1U << 1U) #define BPMP_CLK_IS_ROOT (1U << 2U) #define BPMP_CLK_IS_VAR_ROOT (1U << 3U) /** * @brief Protection against rate and parent changes * * #MRQ_CLK command #CMD_CLK_SET_RATE or #MRQ_CLK command #CMD_CLK_SET_PARENT will return * -#BPMP_EACCES. */ #define BPMP_CLK_RATE_PARENT_CHANGE_DENIED (1U << 30) /** * @brief Protection against state changes * * #MRQ_CLK command #CMD_CLK_ENABLE or #MRQ_CLK command #CMD_CLK_DISABLE will return * -#BPMP_EACCES. */ #define BPMP_CLK_STATE_CHANGE_DENIED (1U << 31) #define MRQ_CLK_NAME_MAXLEN 40U #define MRQ_CLK_MAX_PARENTS 16U /** @private */ struct cmd_clk_get_rate_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_get_rate_response { int64_t rate; } BPMP_ABI_PACKED; struct cmd_clk_set_rate_request { int32_t unused; int64_t rate; } BPMP_ABI_PACKED; struct cmd_clk_set_rate_response { int64_t rate; } BPMP_ABI_PACKED; struct cmd_clk_round_rate_request { int32_t unused; int64_t rate; } BPMP_ABI_PACKED; struct cmd_clk_round_rate_response { int64_t rate; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_get_parent_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_get_parent_response { uint32_t parent_id; } BPMP_ABI_PACKED; struct cmd_clk_set_parent_request { uint32_t parent_id; } BPMP_ABI_PACKED; struct cmd_clk_set_parent_response { uint32_t parent_id; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_is_enabled_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @brief Response data to #MRQ_CLK sub-command CMD_CLK_IS_ENABLED */ struct cmd_clk_is_enabled_response { /** * @brief The state of the clock that has been succesfully * requested with CMD_CLK_ENABLE or CMD_CLK_DISABLE by the * master invoking the command earlier. * * The state may not reflect the physical state of the clock * if there are some other masters requesting it to be * enabled. * * Value 0 is disabled, all other values indicate enabled. */ int32_t state; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_enable_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_enable_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_disable_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_disable_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @cond DEPRECATED */ /** @private */ struct cmd_clk_properties_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @todo flags need to be spelled out here */ struct cmd_clk_properties_response { uint32_t flags; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_possible_parents_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_possible_parents_response { uint8_t num_parents; uint8_t reserved[3]; uint32_t parent_id[MRQ_CLK_MAX_PARENTS]; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_num_possible_parents_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_num_possible_parents_response { uint8_t num_parents; } BPMP_ABI_PACKED; struct cmd_clk_get_possible_parent_request { uint8_t parent_idx; } BPMP_ABI_PACKED; struct cmd_clk_get_possible_parent_response { uint32_t parent_id; } BPMP_ABI_PACKED; /** @endcond DEPRECATED */ /** @private */ struct cmd_clk_get_all_info_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_get_all_info_response { uint32_t flags; uint32_t parent; uint32_t parents[MRQ_CLK_MAX_PARENTS]; uint8_t num_parents; uint8_t name[MRQ_CLK_NAME_MAXLEN]; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_get_max_clk_id_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_get_max_clk_id_response { uint32_t max_id; } BPMP_ABI_PACKED; /** @private */ struct cmd_clk_get_fmax_at_vmin_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_clk_get_fmax_at_vmin_response { int64_t rate; } BPMP_ABI_PACKED; /** * @ingroup Clocks * @brief Request with #MRQ_CLK * * Used by the sender of an #MRQ_CLK message to control clocks. The * clk_request is split into several sub-commands. Some sub-commands * require no additional data. Others have a sub-command specific * payload * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_CLK_GET_RATE |- | * |CMD_CLK_SET_RATE |clk_set_rate | * |CMD_CLK_ROUND_RATE |clk_round_rate | * |CMD_CLK_GET_PARENT |- | * |CMD_CLK_SET_PARENT |clk_set_parent | * |CMD_CLK_IS_ENABLED |- | * |CMD_CLK_ENABLE |- | * |CMD_CLK_DISABLE |- | * |CMD_CLK_GET_ALL_INFO |- | * |CMD_CLK_GET_MAX_CLK_ID |- | * |CMD_CLK_GET_FMAX_AT_VMIN |- * | * */ /** @cond DEPRECATED * * Older versions of firmware also supported following sub-commands: * |CMD_CLK_PROPERTIES |- | * |CMD_CLK_POSSIBLE_PARENTS |- | * |CMD_CLK_NUM_POSSIBLE_PARENTS|- | * |CMD_CLK_GET_POSSIBLE_PARENT |clk_get_possible_parent| * |CMD_CLK_RESET_REFCOUNTS |- | * * @endcond DEPRECATED */ struct mrq_clk_request { /** @brief Sub-command and clock id concatenated to 32-bit word. * - bits[31..24] is the sub-cmd. * - bits[23..0] is the clock id */ uint32_t cmd_and_id; union { /** @private */ struct cmd_clk_get_rate_request clk_get_rate; struct cmd_clk_set_rate_request clk_set_rate; struct cmd_clk_round_rate_request clk_round_rate; /** @private */ struct cmd_clk_get_parent_request clk_get_parent; struct cmd_clk_set_parent_request clk_set_parent; /** @private */ struct cmd_clk_enable_request clk_enable; /** @private */ struct cmd_clk_disable_request clk_disable; /** @private */ struct cmd_clk_is_enabled_request clk_is_enabled; /** @cond DEPRECATED */ /** @private */ struct cmd_clk_properties_request clk_properties; /** @private */ struct cmd_clk_possible_parents_request clk_possible_parents; /** @private */ struct cmd_clk_num_possible_parents_request clk_num_possible_parents; struct cmd_clk_get_possible_parent_request clk_get_possible_parent; /** @endcond DEPRECATED */ /** @private */ struct cmd_clk_get_all_info_request clk_get_all_info; /** @private */ struct cmd_clk_get_max_clk_id_request clk_get_max_clk_id; /** @private */ struct cmd_clk_get_fmax_at_vmin_request clk_get_fmax_at_vmin; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup Clocks * @brief Response to MRQ_CLK * * Each sub-command supported by @ref mrq_clk_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |----------------------------|------------------------| * |CMD_CLK_GET_RATE |clk_get_rate | * |CMD_CLK_SET_RATE |clk_set_rate | * |CMD_CLK_ROUND_RATE |clk_round_rate | * |CMD_CLK_GET_PARENT |clk_get_parent | * |CMD_CLK_SET_PARENT |clk_set_parent | * |CMD_CLK_IS_ENABLED |clk_is_enabled | * |CMD_CLK_ENABLE |- | * |CMD_CLK_DISABLE |- | * |CMD_CLK_GET_ALL_INFO |clk_get_all_info | * |CMD_CLK_GET_MAX_CLK_ID |clk_get_max_id | * |CMD_CLK_GET_FMAX_AT_VMIN |clk_get_fmax_at_vmin | * */ /** @cond DEPRECATED * * Older versions of firmware also supported following sub-commands: * |CMD_CLK_PROPERTIES |clk_properties | * |CMD_CLK_POSSIBLE_PARENTS |clk_possible_parents | * |CMD_CLK_NUM_POSSIBLE_PARENTS|clk_num_possible_parents| * |CMD_CLK_GET_POSSIBLE_PARENT |clk_get_possible_parents| * |CMD_CLK_RESET_REFCOUNTS |- | * * @endcond DEPRECATED */ struct mrq_clk_response { union { struct cmd_clk_get_rate_response clk_get_rate; struct cmd_clk_set_rate_response clk_set_rate; struct cmd_clk_round_rate_response clk_round_rate; struct cmd_clk_get_parent_response clk_get_parent; struct cmd_clk_set_parent_response clk_set_parent; /** @private */ struct cmd_clk_enable_response clk_enable; /** @private */ struct cmd_clk_disable_response clk_disable; struct cmd_clk_is_enabled_response clk_is_enabled; /** @cond DEPRECATED */ struct cmd_clk_properties_response clk_properties; struct cmd_clk_possible_parents_response clk_possible_parents; struct cmd_clk_num_possible_parents_response clk_num_possible_parents; struct cmd_clk_get_possible_parent_response clk_get_possible_parent; /** @endcond DEPRECATED */ struct cmd_clk_get_all_info_response clk_get_all_info; struct cmd_clk_get_max_clk_id_response clk_get_max_clk_id; struct cmd_clk_get_fmax_at_vmin_response clk_get_fmax_at_vmin; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Clocks */ /** * @ingroup MRQ_Codes * @def MRQ_QUERY_ABI * @brief Check if an MRQ is implemented * * * Platforms: All * * Initiators: Any * * Targets: Any except DMCE * * Request Payload: @ref mrq_query_abi_request * * Response Payload: @ref mrq_query_abi_response */ /** * @ingroup ABI_info * @brief Request with MRQ_QUERY_ABI * * Used by #MRQ_QUERY_ABI call to check if MRQ code #mrq is supported * by the recipient. */ struct mrq_query_abi_request { /** @brief MRQ code to query */ uint32_t mrq; } BPMP_ABI_PACKED; /** * @ingroup ABI_info * @brief Response to MRQ_QUERY_ABI * * @note mrq_response::err of 0 indicates that the query was * successful, not that the MRQ itself is supported! */ struct mrq_query_abi_response { /** @brief 0 if queried MRQ is supported. Else, -#BPMP_ENODEV */ int32_t status; } BPMP_ABI_PACKED; /** * * @ingroup MRQ_Codes * @def MRQ_PG * @brief Control power-gating state of a partition. In contrast to * MRQ_PG_UPDATE_STATE, operations that change the power partition * state are NOT reference counted * * @cond (bpmp_t194 || bpmp_t186) * @note On T194 and earlier BPMP-FW forcefully turns off some partitions as * part of SC7 entry because their state cannot be adequately restored on exit. * Therefore, it is recommended to power off all domains via MRQ_PG prior to SC7 * entry. * See @ref bpmp_pdomain_ids for further detail. * @endcond (bpmp_t194 || bpmp_t186) * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pg_request * * Response Payload: @ref mrq_pg_response * * @addtogroup Powergating * @{ */ enum mrq_pg_cmd { /** * @brief Check whether the BPMP driver supports the specified * request type * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_PG_QUERY_ABI = 0, /** * @brief Set the current state of specified power domain. The * possible values for power domains are defined in enum * pg_states * * mrq_response:err is * 0: Success * -#BPMP_EINVAL: Invalid request parameters */ CMD_PG_SET_STATE = 1, /** * @brief Get the current state of specified power domain. The * possible values for power domains are defined in enum * pg_states * * mrq_response:err is * 0: Success * -#BPMP_EINVAL: Invalid request parameters */ CMD_PG_GET_STATE = 2, /** * @brief Get the name string of specified power domain id. * * mrq_response:err is * 0: Success * -#BPMP_EINVAL: Invalid request parameters */ CMD_PG_GET_NAME = 3, /** * @brief Get the highest power domain id in the system. Not * all IDs between 0 and max_id are valid IDs. * * mrq_response:err is * 0: Success * -#BPMP_EINVAL: Invalid request parameters */ CMD_PG_GET_MAX_ID = 4, }; #define MRQ_PG_NAME_MAXLEN 40 enum pg_states { /** @brief Power domain is OFF */ PG_STATE_OFF = 0, /** @brief Power domain is ON */ PG_STATE_ON = 1, /** * @brief a legacy state where power domain and the clock * associated to the domain are ON. * This state is only supported in T186, and the use of it is * deprecated. */ PG_STATE_RUNNING = 2, }; struct cmd_pg_query_abi_request { /** @ref mrq_pg_cmd */ uint32_t type; } BPMP_ABI_PACKED; struct cmd_pg_set_state_request { /** @ref pg_states */ uint32_t state; } BPMP_ABI_PACKED; /** * @brief Response data to #MRQ_PG sub command #CMD_PG_GET_STATE */ struct cmd_pg_get_state_response { /** * @brief The state of the power partition that has been * succesfuly requested by the master earlier using #MRQ_PG * command #CMD_PG_SET_STATE. * * The state may not reflect the physical state of the power * partition if there are some other masters requesting it to * be enabled. * * See @ref pg_states for possible values */ uint32_t state; } BPMP_ABI_PACKED; struct cmd_pg_get_name_response { uint8_t name[MRQ_PG_NAME_MAXLEN]; } BPMP_ABI_PACKED; struct cmd_pg_get_max_id_response { uint32_t max_id; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_PG * * Used by the sender of an #MRQ_PG message to control power * partitions. The pg_request is split into several sub-commands. Some * sub-commands require no additional data. Others have a sub-command * specific payload * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_PG_QUERY_ABI | query_abi | * |CMD_PG_SET_STATE | set_state | * |CMD_PG_GET_STATE | - | * |CMD_PG_GET_NAME | - | * |CMD_PG_GET_MAX_ID | - | * */ struct mrq_pg_request { uint32_t cmd; uint32_t id; union { struct cmd_pg_query_abi_request query_abi; struct cmd_pg_set_state_request set_state; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response to MRQ_PG * * Each sub-command supported by @ref mrq_pg_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_PG_QUERY_ABI | - | * |CMD_PG_SET_STATE | - | * |CMD_PG_GET_STATE | get_state | * |CMD_PG_GET_NAME | get_name | * |CMD_PG_GET_MAX_ID | get_max_id | */ struct mrq_pg_response { union { struct cmd_pg_get_state_response get_state; struct cmd_pg_get_name_response get_name; struct cmd_pg_get_max_id_response get_max_id; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} Powergating */ /** * @ingroup MRQ_Codes * @def MRQ_THERMAL * @brief Interact with BPMP thermal framework * * * Platforms: T186, T194 * * Initiators: Any * * Targets: Any * * Request Payload: TODO * * Response Payload: TODO * * @addtogroup Thermal * * The BPMP firmware includes a thermal framework. Drivers within the * bpmp firmware register with the framework to provide thermal * zones. Each thermal zone corresponds to an entity whose temperature * can be measured. The framework also has a notion of trip points. A * trip point consists of a thermal zone id, a temperature, and a * callback routine. The framework invokes the callback when the zone * hits the indicated temperature. The BPMP firmware uses this thermal * framework interally to implement various temperature-dependent * functions. * * Software on the CPU can use #MRQ_THERMAL (with payload @ref * mrq_thermal_host_to_bpmp_request) to interact with the BPMP thermal * framework. The CPU must It can query the number of supported zones, * query zone temperatures, and set trip points. * * When a trip point set by the CPU gets crossed, BPMP firmware issues * an IPC to the CPU having mrq_request::mrq = #MRQ_THERMAL and a * payload of @ref mrq_thermal_bpmp_to_host_request. * @{ */ enum mrq_thermal_host_to_bpmp_cmd { /** * @brief Check whether the BPMP driver supports the specified * request type. * * Host needs to supply request parameters. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_THERMAL_QUERY_ABI = 0, /** * @brief Get the current temperature of the specified zone. * * Host needs to supply request parameters. * * mrq_response::err is * * 0: Temperature query succeeded. * * -#BPMP_EINVAL: Invalid request parameters. * * -#BPMP_ENOENT: No driver registered for thermal zone.. * * -#BPMP_EFAULT: Problem reading temperature measurement. */ CMD_THERMAL_GET_TEMP = 1, /** * @brief Enable or disable and set the lower and upper * thermal limits for a thermal trip point. Each zone has * one trip point. * * Host needs to supply request parameters. Once the * temperature hits a trip point, the BPMP will send a message * to the CPU having MRQ=MRQ_THERMAL and * type=CMD_THERMAL_HOST_TRIP_REACHED * * mrq_response::err is * * 0: Trip successfully set. * * -#BPMP_EINVAL: Invalid request parameters. * * -#BPMP_ENOENT: No driver registered for thermal zone. * * -#BPMP_EFAULT: Problem setting trip point. */ CMD_THERMAL_SET_TRIP = 2, /** * @brief Get the number of supported thermal zones. * * No request parameters required. * * mrq_response::err is always 0, indicating success. */ CMD_THERMAL_GET_NUM_ZONES = 3, /** * @brief Get the thermtrip of the specified zone. * * Host needs to supply request parameters. * * mrq_response::err is * * 0: Valid zone information returned. * * -#BPMP_EINVAL: Invalid request parameters. * * -#BPMP_ENOENT: No driver registered for thermal zone. * * -#BPMP_ERANGE if thermtrip is invalid or disabled. * * -#BPMP_EFAULT: Problem reading zone information. */ CMD_THERMAL_GET_THERMTRIP = 4, /** @brief: number of supported host-to-bpmp commands. May * increase in future */ CMD_THERMAL_HOST_TO_BPMP_NUM }; enum mrq_thermal_bpmp_to_host_cmd { /** * @brief Indication that the temperature for a zone has * exceeded the range indicated in the thermal trip point * for the zone. * * BPMP needs to supply request parameters. Host only needs to * acknowledge. */ CMD_THERMAL_HOST_TRIP_REACHED = 100, /** @brief: number of supported bpmp-to-host commands. May * increase in future */ CMD_THERMAL_BPMP_TO_HOST_NUM }; /* * Host->BPMP request data for request type CMD_THERMAL_QUERY_ABI * * zone: Request type for which to check existence. */ struct cmd_thermal_query_abi_request { uint32_t type; } BPMP_ABI_PACKED; /* * Host->BPMP request data for request type CMD_THERMAL_GET_TEMP * * zone: Number of thermal zone. */ struct cmd_thermal_get_temp_request { uint32_t zone; } BPMP_ABI_PACKED; /* * BPMP->Host reply data for request CMD_THERMAL_GET_TEMP * * error: 0 if request succeeded. * -BPMP_EINVAL if request parameters were invalid. * -BPMP_ENOENT if no driver was registered for the specified thermal zone. * -BPMP_EFAULT for other thermal zone driver errors. * temp: Current temperature in millicelsius. */ struct cmd_thermal_get_temp_response { int32_t temp; } BPMP_ABI_PACKED; /* * Host->BPMP request data for request type CMD_THERMAL_SET_TRIP * * zone: Number of thermal zone. * low: Temperature of lower trip point in millicelsius * high: Temperature of upper trip point in millicelsius * enabled: 1 to enable trip point, 0 to disable trip point */ struct cmd_thermal_set_trip_request { uint32_t zone; int32_t low; int32_t high; uint32_t enabled; } BPMP_ABI_PACKED; /* * BPMP->Host request data for request type CMD_THERMAL_HOST_TRIP_REACHED * * zone: Number of thermal zone where trip point was reached. */ struct cmd_thermal_host_trip_reached_request { uint32_t zone; } BPMP_ABI_PACKED; /* * BPMP->Host reply data for request type CMD_THERMAL_GET_NUM_ZONES * * num: Number of supported thermal zones. The thermal zones are indexed * starting from zero. */ struct cmd_thermal_get_num_zones_response { uint32_t num; } BPMP_ABI_PACKED; /* * Host->BPMP request data for request type CMD_THERMAL_GET_THERMTRIP * * zone: Number of thermal zone. */ struct cmd_thermal_get_thermtrip_request { uint32_t zone; } BPMP_ABI_PACKED; /* * BPMP->Host reply data for request CMD_THERMAL_GET_THERMTRIP * * thermtrip: HW shutdown temperature in millicelsius. */ struct cmd_thermal_get_thermtrip_response { int32_t thermtrip; } BPMP_ABI_PACKED; /* * Host->BPMP request data. * * Reply type is union mrq_thermal_bpmp_to_host_response. * * type: Type of request. Values listed in enum mrq_thermal_type. * data: Request type specific parameters. */ struct mrq_thermal_host_to_bpmp_request { uint32_t type; union { struct cmd_thermal_query_abi_request query_abi; struct cmd_thermal_get_temp_request get_temp; struct cmd_thermal_set_trip_request set_trip; struct cmd_thermal_get_thermtrip_request get_thermtrip; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /* * BPMP->Host request data. * * type: Type of request. Values listed in enum mrq_thermal_type. * data: Request type specific parameters. */ struct mrq_thermal_bpmp_to_host_request { uint32_t type; union { struct cmd_thermal_host_trip_reached_request host_trip_reached; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /* * Data in reply to a Host->BPMP request. */ union mrq_thermal_bpmp_to_host_response { struct cmd_thermal_get_temp_response get_temp; struct cmd_thermal_get_thermtrip_response get_thermtrip; struct cmd_thermal_get_num_zones_response get_num_zones; } BPMP_ABI_PACKED; /** @} Thermal */ /** * @ingroup MRQ_Codes * @def MRQ_OC_STATUS * @brief Query over current status * * * Platforms: T234 * @cond bpmp_t234 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_oc_status_response * * @addtogroup OC_status * @{ */ #define OC_STATUS_MAX_SIZE 24U /* * @brief Response to #MRQ_OC_STATUS * * throt_en: Value for each OC alarm where zero signifies throttle is * disabled, and non-zero throttle is enabled. * event_cnt: Total number of OC events for each OC alarm. * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise. */ struct mrq_oc_status_response { uint8_t throt_en[OC_STATUS_MAX_SIZE]; uint32_t event_cnt[OC_STATUS_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} OC_status */ /** @endcond bpmp_t234 */ /** * @ingroup MRQ_Codes * @def MRQ_CPU_VHINT * @brief Query CPU voltage hint data * * * Platforms: T186 * @cond bpmp_t186 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_vhint_request * * Response Payload: N/A * * @addtogroup Vhint * @{ */ /** * @brief Request with #MRQ_CPU_VHINT * * Used by #MRQ_CPU_VHINT call by CCPLEX to retrieve voltage hint data * from BPMP to memory space pointed by #addr. CCPLEX is responsible * to allocate sizeof(cpu_vhint_data) sized block of memory and * appropriately map it for BPMP before sending the request. */ struct mrq_cpu_vhint_request { /** @brief IOVA address for the #cpu_vhint_data */ uint32_t addr; /** @brief ID of the cluster whose data is requested */ uint32_t cluster_id; } BPMP_ABI_PACKED; /** * @brief Description of the CPU v/f relation * * Used by #MRQ_CPU_VHINT call to carry data pointed by * #mrq_cpu_vhint_request::addr */ struct cpu_vhint_data { uint32_t ref_clk_hz; /**< reference frequency in Hz */ uint16_t pdiv; /**< post divider value */ uint16_t mdiv; /**< input divider value */ uint16_t ndiv_max; /**< fMAX expressed with max NDIV value */ /** table of ndiv values as a function of vINDEX (voltage index) */ uint16_t ndiv[80]; /** minimum allowed NDIV value */ uint16_t ndiv_min; /** minimum allowed voltage hint value (as in vINDEX) */ uint16_t vfloor; /** maximum allowed voltage hint value (as in vINDEX) */ uint16_t vceil; /** post-multiplier for vindex value */ uint16_t vindex_mult; /** post-divider for vindex value */ uint16_t vindex_div; /** reserved for future use */ uint16_t reserved[328]; } BPMP_ABI_PACKED; /** @} Vhint */ /** @endcond bpmp_t186 */ /** * @ingroup MRQ_Codes * @def MRQ_ABI_RATCHET * @brief ABI ratchet value query * * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_abi_ratchet_request * * Response Payload: @ref mrq_abi_ratchet_response * @addtogroup ABI_info * @{ */ /** * @brief An ABI compatibility mechanism * * BPMP_ABI_RATCHET_VALUE may increase for various reasons in a future * revision of this header file. * 1. That future revision deprecates some MRQ * 2. That future revision introduces a breaking change to an existing * MRQ or * 3. A bug is discovered in an existing implementation of the BPMP-FW * (or possibly one of its clients) which warrants deprecating that * implementation. */ #define BPMP_ABI_RATCHET_VALUE 3 /** * @brief Request with #MRQ_ABI_RATCHET. * * #ratchet should be #BPMP_ABI_RATCHET_VALUE from the ABI header * against which the requester was compiled. * * If ratchet is less than BPMP's #BPMP_ABI_RATCHET_VALUE, BPMP may * reply with mrq_response::err = -#BPMP_ERANGE to indicate that * BPMP-FW cannot interoperate correctly with the requester. Requester * should cease further communication with BPMP. * * Otherwise, err shall be 0. */ struct mrq_abi_ratchet_request { /** @brief Requester's ratchet value */ uint16_t ratchet; }; /** * @brief Response to #MRQ_ABI_RATCHET * * #ratchet shall be #BPMP_ABI_RATCHET_VALUE from the ABI header * against which BPMP firwmare was compiled. * * If #ratchet is less than the requester's #BPMP_ABI_RATCHET_VALUE, * the requster must either interoperate with BPMP according to an ABI * header version with BPMP_ABI_RATCHET_VALUE = ratchet or cease * communication with BPMP. * * If mrq_response::err is 0 and ratchet is greater than or equal to the * requester's BPMP_ABI_RATCHET_VALUE, the requester should continue * normal operation. */ struct mrq_abi_ratchet_response { /** @brief BPMP's ratchet value */ uint16_t ratchet; }; /** @} ABI_info */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_LATENCY * @brief Query frequency dependent EMC DVFS latency * * * Platforms: T186, T194, T234 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_emc_dvfs_latency_response * @addtogroup EMC * @{ */ /** * @brief Used by @ref mrq_emc_dvfs_latency_response */ struct emc_dvfs_latency { /** @brief EMC DVFS node frequency in kHz */ uint32_t freq; /** @brief EMC DVFS latency in nanoseconds */ uint32_t latency; } BPMP_ABI_PACKED; #define EMC_DVFS_LATENCY_MAX_SIZE 14 /** * @brief Response to #MRQ_EMC_DVFS_LATENCY */ struct mrq_emc_dvfs_latency_response { /** @brief The number valid entries in #pairs */ uint32_t num_pairs; /** @brief EMC DVFS node <frequency, latency> information */ struct emc_dvfs_latency pairs[EMC_DVFS_LATENCY_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} EMC */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_EMCHUB * @brief Query EMC HUB frequencies * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_emc_dvfs_emchub_response * @addtogroup EMC * @{ */ /** * @brief Used by @ref mrq_emc_dvfs_emchub_response */ struct emc_dvfs_emchub { /** @brief EMC DVFS node frequency in kHz */ uint32_t freq; /** @brief EMC HUB frequency in kHz */ uint32_t hub_freq; } BPMP_ABI_PACKED; #define EMC_DVFS_EMCHUB_MAX_SIZE EMC_DVFS_LATENCY_MAX_SIZE /** * @brief Response to #MRQ_EMC_DVFS_EMCHUB */ struct mrq_emc_dvfs_emchub_response { /** @brief The number valid entries in #pairs */ uint32_t num_pairs; /** @brief EMC DVFS node <frequency, hub frequency> information */ struct emc_dvfs_emchub pairs[EMC_DVFS_EMCHUB_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} EMC */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_EMC_DISP_RFL * @brief Set EMC display RFL handshake mode of operations * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_emc_disp_rfl_request * * Response Payload: N/A * * @addtogroup EMC * @{ */ enum mrq_emc_disp_rfl_mode { /** @brief EMC display RFL handshake disabled */ EMC_DISP_RFL_MODE_DISABLED = 0, /** @brief EMC display RFL handshake enabled */ EMC_DISP_RFL_MODE_ENABLED = 1, }; /** * @ingroup EMC * @brief Request with #MRQ_EMC_DISP_RFL * * Used by the sender of an #MRQ_EMC_DISP_RFL message to * request the mode of EMC display RFL handshake. * * mrq_response::err is * * 0: RFL mode is set successfully * * -#BPMP_EINVAL: invalid mode requested * * -#BPMP_ENOSYS: RFL handshake is not supported * * -#BPMP_EACCES: Permission denied * * -#BPMP_ENODEV: if disp rfl mrq is not supported by BPMP-FW */ struct mrq_emc_disp_rfl_request { /** @brief EMC display RFL mode (@ref mrq_emc_disp_rfl_mode) */ uint32_t mode; } BPMP_ABI_PACKED; /** @} EMC */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_BWMGR * @brief bwmgr requests * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_request * * Response Payload: @ref mrq_bwmgr_response * * @addtogroup BWMGR * * @{ */ enum mrq_bwmgr_cmd { /** * @brief Check whether the BPMP driver supports the specified * request type * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_BWMGR_QUERY_ABI = 0, /** * @brief Determine dram rate to satisfy iso/niso bw requests * * mrq_response::err is * * 0: calc_rate succeeded. * * -#BPMP_EINVAL: Invalid request parameters. * * -#BPMP_ENOTSUP: Requested bw is not available. */ CMD_BWMGR_CALC_RATE = 1 }; /* * request data for request type CMD_BWMGR_QUERY_ABI * * type: Request type for which to check existence. */ struct cmd_bwmgr_query_abi_request { uint32_t type; } BPMP_ABI_PACKED; /** * @brief Used by @ref cmd_bwmgr_calc_rate_request */ struct iso_req { /* @brief bwmgr client ID @ref bpmp_bwmgr_ids */ uint32_t id; /* @brief bw in kBps requested by client */ uint32_t iso_bw; } BPMP_ABI_PACKED; #define MAX_ISO_CLIENTS 13U /* * request data for request type CMD_BWMGR_CALC_RATE */ struct cmd_bwmgr_calc_rate_request { /* @brief total bw in kBps requested by all niso clients */ uint32_t sum_niso_bw; /* @brief The number of iso clients */ uint32_t num_iso_clients; /* @brief iso_req <id, iso_bw> information */ struct iso_req isobw_reqs[MAX_ISO_CLIENTS]; } BPMP_ABI_PACKED; /* * response data for request type CMD_BWMGR_CALC_RATE * * iso_rate_min: min dram data clk rate in kHz to satisfy all iso bw reqs * total_rate_min: min dram data clk rate in kHz to satisfy all bw reqs */ struct cmd_bwmgr_calc_rate_response { uint32_t iso_rate_min; uint32_t total_rate_min; } BPMP_ABI_PACKED; /* * @brief Request with #MRQ_BWMGR * * * |sub-command |payload | * |----------------------------|------------------------------| * |CMD_BWMGR_QUERY_ABI | cmd_bwmgr_query_abi_request | * |CMD_BWMGR_CALC_RATE | cmd_bwmgr_calc_rate_request | * */ struct mrq_bwmgr_request { uint32_t cmd; union { struct cmd_bwmgr_query_abi_request query_abi; struct cmd_bwmgr_calc_rate_request bwmgr_rate_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /* * @brief Response to MRQ_BWMGR * * |sub-command |payload | * |----------------------------|------------------------------| * |CMD_BWMGR_CALC_RATE | cmd_bwmgr_calc_rate_response | */ struct mrq_bwmgr_response { union { struct cmd_bwmgr_calc_rate_response bwmgr_rate_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} BWMGR */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_BWMGR_INT * @brief bpmp-integrated bwmgr requests * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_int_request * * Response Payload: @ref mrq_bwmgr_int_response * * @addtogroup BWMGR_INT * @{ */ enum mrq_bwmgr_int_cmd { /** * @brief Check whether the BPMP-FW supports the specified * request type * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_BWMGR_INT_QUERY_ABI = 1, /** * @brief Determine and set dram rate to satisfy iso/niso bw request * * mrq_response::err is * * 0: request succeeded. * * -#BPMP_EINVAL: Invalid request parameters. * set_frequency in @ref cmd_bwmgr_int_calc_and_set_response * will not be set. * * -#BPMP_ENOTSUP: Requested bw is not available. * set_frequency in @ref cmd_bwmgr_int_calc_and_set_response * will be current dram-clk rate. */ CMD_BWMGR_INT_CALC_AND_SET = 2, /** * @brief Set a max DRAM frequency for the bandwidth-manager * * mrq_response::err is * * 0: request succeeded. * * -#BPMP_ENOTSUP: Requested cap frequency is not possible. */ CMD_BWMGR_INT_CAP_SET = 3 }; /* * request structure for request type CMD_BWMGR_QUERY_ABI * * type: Request type for which to check existence. */ struct cmd_bwmgr_int_query_abi_request { /* @brief request type determined by @ref mrq_bwmgr_int_cmd */ uint32_t type; } BPMP_ABI_PACKED; /** * @defgroup bwmgr_int_unit_type BWMGR_INT floor unit-types * @addtogroup bwmgr_int_unit_type * @{ */ /** @brief kilobytes per second unit-type */ #define BWMGR_INT_UNIT_KBPS 0U /** @brief kilohertz unit-type */ #define BWMGR_INT_UNIT_KHZ 1U /** @} bwmgr_int_unit_type */ /* * request data for request type CMD_BWMGR_INT_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_request { /* @brief bwmgr client ID @ref bpmp_bwmgr_ids */ uint32_t client_id; /* @brief average niso bw usage in kBps requested by client. */ uint32_t niso_bw; /* * @brief average iso bw usage in kBps requested by client. * Value is ignored if client is niso. Determined by client_id. */ uint32_t iso_bw; /* * @brief memory clock floor requested by client. * Unit determined by floor_unit. */ uint32_t mc_floor; /* * @brief toggle to determine the unit-type of floor value. * See @ref bwmgr_int_unit_type definitions for unit-type mappings. */ uint8_t floor_unit; } BPMP_ABI_PACKED; struct cmd_bwmgr_int_cap_set_request { /* @brief requested cap frequency in Hz. */ uint64_t rate; } BPMP_ABI_PACKED; /* * response data for request type CMD_BWMGR_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_response { /* @brief current set memory clock frequency in Hz */ uint64_t rate; } BPMP_ABI_PACKED; /* * @brief Request with #MRQ_BWMGR_INT * * * |sub-command |payload | * |----------------------------|-----------------------------------| * |CMD_BWMGR_INT_QUERY_ABI | cmd_bwmgr_int_query_abi_request | * |CMD_BWMGR_INT_CALC_AND_SET | cmd_bwmgr_int_calc_and_set_request| * |CMD_BWMGR_INT_CAP_SET | cmd_bwmgr_int_cap_set_request | * */ struct mrq_bwmgr_int_request { uint32_t cmd; union { struct cmd_bwmgr_int_query_abi_request query_abi; struct cmd_bwmgr_int_calc_and_set_request bwmgr_calc_set_req; struct cmd_bwmgr_int_cap_set_request bwmgr_cap_set_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /* * @brief Response to MRQ_BWMGR_INT * * |sub-command |payload | * |----------------------------|---------------------------------------| * |CMD_BWMGR_INT_CALC_AND_SET | cmd_bwmgr_int_calc_and_set_response | */ struct mrq_bwmgr_int_response { union { struct cmd_bwmgr_int_calc_and_set_response bwmgr_calc_set_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} BWMGR_INT */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_ISO_CLIENT * @brief ISO client requests * * * Platforms: T234 onwards * @cond (bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_iso_client_request * * Response Payload: @ref mrq_iso_client_response * * @addtogroup ISO_CLIENT * @{ */ enum mrq_iso_client_cmd { /** * @brief Check whether the BPMP driver supports the specified * request type * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_ISO_CLIENT_QUERY_ABI = 0, /* * @brief check for legal LA for the iso client. Without programming * LA MC registers, calculate and ensure that legal LA is possible for * iso bw requested by the ISO client. * * mrq_response::err is * * 0: check la succeeded. * * -#BPMP_EINVAL: Invalid request parameters. * * -#BPMP_EFAULT: Legal LA is not possible for client requested iso_bw */ CMD_ISO_CLIENT_CALCULATE_LA = 1, /* * @brief set LA for the iso client. Calculate and program the LA/PTSA * MC registers corresponding to the client making bw request * * mrq_response::err is * * 0: set la succeeded. * * -#BPMP_EINVAL: Invalid request parameters. * * -#BPMP_EFAULT: Failed to calculate or program MC registers. */ CMD_ISO_CLIENT_SET_LA = 2, /* * @brief Get max possible bw for iso client * * mrq_response::err is * * 0: get_max_bw succeeded. * * -#BPMP_EINVAL: Invalid request parameters. */ CMD_ISO_CLIENT_GET_MAX_BW = 3 }; /* * request data for request type CMD_ISO_CLIENT_QUERY_ABI * * type: Request type for which to check existence. */ struct cmd_iso_client_query_abi_request { uint32_t type; } BPMP_ABI_PACKED; /* * request data for request type CMD_ISO_CLIENT_CALCULATE_LA * * id: client ID in @ref bpmp_bwmgr_ids * bw: bw requested in kBps by client ID. * init_bw_floor: initial dram_bw_floor in kBps passed by client ID. * ISO client will perform mempool allocation and DVFS buffering based * on this dram_bw_floor. */ struct cmd_iso_client_calculate_la_request { uint32_t id; uint32_t bw; uint32_t init_bw_floor; } BPMP_ABI_PACKED; /* * request data for request type CMD_ISO_CLIENT_SET_LA * * id: client ID in @ref bpmp_bwmgr_ids * bw: bw requested in kBps by client ID. * final_bw_floor: final dram_bw_floor in kBps. * Sometimes the initial dram_bw_floor passed by ISO client may need to be * updated by considering higher dram freq's. This is the final dram_bw_floor * used to calculate and program MC registers. */ struct cmd_iso_client_set_la_request { uint32_t id; uint32_t bw; uint32_t final_bw_floor; } BPMP_ABI_PACKED; /* * request data for request type CMD_ISO_CLIENT_GET_MAX_BW * * id: client ID in @ref bpmp_bwmgr_ids */ struct cmd_iso_client_get_max_bw_request { uint32_t id; } BPMP_ABI_PACKED; /* * response data for request type CMD_ISO_CLIENT_CALCULATE_LA * * la_rate_floor: minimum dram_rate_floor in kHz at which a legal la is possible * iso_client_only_rate: Minimum dram freq in kHz required to satisfy this clients * iso bw request, assuming all other iso clients are inactive */ struct cmd_iso_client_calculate_la_response { uint32_t la_rate_floor; uint32_t iso_client_only_rate; } BPMP_ABI_PACKED; /** * @brief Used by @ref cmd_iso_client_get_max_bw_response */ struct iso_max_bw { /* @brief dram frequency in kHz */ uint32_t freq; /* @brief max possible iso-bw in kBps */ uint32_t iso_bw; } BPMP_ABI_PACKED; #define ISO_MAX_BW_MAX_SIZE 14U /* * response data for request type CMD_ISO_CLIENT_GET_MAX_BW */ struct cmd_iso_client_get_max_bw_response { /* @brief The number valid entries in iso_max_bw pairs */ uint32_t num_pairs; /* @brief max ISOBW <dram freq, max bw> information */ struct iso_max_bw pairs[ISO_MAX_BW_MAX_SIZE]; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_ISO_CLIENT * * Used by the sender of an #MRQ_ISO_CLIENT message. * * |sub-command |payload | * |------------------------------------ |----------------------------------------| * |CMD_ISO_CLIENT_QUERY_ABI |cmd_iso_client_query_abi_request | * |CMD_ISO_CLIENT_CALCULATE_LA |cmd_iso_client_calculate_la_request | * |CMD_ISO_CLIENT_SET_LA |cmd_iso_client_set_la_request | * |CMD_ISO_CLIENT_GET_MAX_BW |cmd_iso_client_get_max_bw_request | * */ struct mrq_iso_client_request { /* Type of request. Values listed in enum mrq_iso_client_cmd */ uint32_t cmd; union { struct cmd_iso_client_query_abi_request query_abi; struct cmd_iso_client_calculate_la_request calculate_la_req; struct cmd_iso_client_set_la_request set_la_req; struct cmd_iso_client_get_max_bw_request max_isobw_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response to MRQ_ISO_CLIENT * * Each sub-command supported by @ref mrq_iso_client_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |---------------------------- |------------------------------------| * |CMD_ISO_CLIENT_CALCULATE_LA |cmd_iso_client_calculate_la_response| * |CMD_ISO_CLIENT_SET_LA |N/A | * |CMD_ISO_CLIENT_GET_MAX_BW |cmd_iso_client_get_max_bw_response | * */ struct mrq_iso_client_response { union { struct cmd_iso_client_calculate_la_response calculate_la_resp; struct cmd_iso_client_get_max_bw_response max_isobw_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} ISO_CLIENT */ /** @endcond (bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_CPU_NDIV_LIMITS * @brief CPU freq. limits in ndiv * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_ndiv_limits_request * * Response Payload: @ref mrq_cpu_ndiv_limits_response * @addtogroup CPU * @{ */ /** * @brief Request for ndiv limits of a cluster */ struct mrq_cpu_ndiv_limits_request { /** @brief Enum cluster_id */ uint32_t cluster_id; } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_CPU_NDIV_LIMITS */ struct mrq_cpu_ndiv_limits_response { /** @brief Reference frequency in Hz */ uint32_t ref_clk_hz; /** @brief Post divider value */ uint16_t pdiv; /** @brief Input divider value */ uint16_t mdiv; /** @brief FMAX expressed with max NDIV value */ uint16_t ndiv_max; /** @brief Minimum allowed NDIV value */ uint16_t ndiv_min; } BPMP_ABI_PACKED; /** @} CPU */ /** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_CPU_AUTO_CC3 * @brief Query CPU cluster auto-CC3 configuration * * * Platforms: T194 * @cond bpmp_t194 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_auto_cc3_request * * Response Payload: @ref mrq_cpu_auto_cc3_response * @addtogroup CC3 * * Queries from BPMP auto-CC3 configuration (allowed/not allowed) for a * specified cluster. CCPLEX s/w uses this information to override its own * device tree auto-CC3 settings, so that BPMP device tree is a single source of * auto-CC3 platform configuration. * * @{ */ /** * @brief Request for auto-CC3 configuration of a cluster */ struct mrq_cpu_auto_cc3_request { /** @brief Enum cluster_id (logical cluster id, known to CCPLEX s/w) */ uint32_t cluster_id; } BPMP_ABI_PACKED; /** * @brief Response to #MRQ_CPU_AUTO_CC3 */ struct mrq_cpu_auto_cc3_response { /** * @brief auto-CC3 configuration * * - bits[31..10] reserved. * - bits[9..1] cc3 ndiv * - bit [0] if "1" auto-CC3 is allowed, if "0" auto-CC3 is not allowed */ uint32_t auto_cc3_config; } BPMP_ABI_PACKED; /** @} CC3 */ /** @endcond bpmp_t194 */ /** * @ingroup MRQ_Codes * @def MRQ_RINGBUF_CONSOLE * @brief A ring buffer debug console for BPMP * @addtogroup RingbufConsole * * The ring buffer debug console aims to be a substitute for the UART debug * console. The debug console is implemented with two ring buffers in the * BPMP-FW, the RX (receive) and TX (transmit) buffers. Characters can be read * and written to the buffers by the host via the MRQ interface. * * @{ */ /** * @brief Maximum number of bytes transferred in a single write command to the * BPMP * * This is determined by the number of free bytes in the message struct, * rounded down to a multiple of four. */ #define MRQ_RINGBUF_CONSOLE_MAX_WRITE_LEN 112 /** * @brief Maximum number of bytes transferred in a single read command to the * BPMP * * This is determined by the number of free bytes in the message struct, * rounded down to a multiple of four. */ #define MRQ_RINGBUF_CONSOLE_MAX_READ_LEN 116 enum mrq_ringbuf_console_host_to_bpmp_cmd { /** * @brief Check whether the BPMP driver supports the specified request * type * * mrq_response::err is 0 if the specified request is supported and * -#BPMP_ENODEV otherwise */ CMD_RINGBUF_CONSOLE_QUERY_ABI = 0, /** * @brief Perform a read operation on the BPMP TX buffer * * mrq_response::err is 0 */ CMD_RINGBUF_CONSOLE_READ = 1, /** * @brief Perform a write operation on the BPMP RX buffer * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise */ CMD_RINGBUF_CONSOLE_WRITE = 2, /** * @brief Get the length of the buffer and the physical addresses of * the buffer data and the head and tail counters * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise */ CMD_RINGBUF_CONSOLE_GET_FIFO = 3, }; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type * #CMD_RINGBUF_CONSOLE_QUERY_ABI */ struct cmd_ringbuf_console_query_abi_req { /** @brief Command identifier to be queried */ uint32_t cmd; } BPMP_ABI_PACKED; /** @private */ struct cmd_ringbuf_console_query_abi_resp { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type #CMD_RINGBUF_CONSOLE_READ */ struct cmd_ringbuf_console_read_req { /** * @brief Number of bytes requested to be read from the BPMP TX buffer */ uint8_t len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host response data for request type #CMD_RINGBUF_CONSOLE_READ */ struct cmd_ringbuf_console_read_resp { /** @brief The actual data read from the BPMP TX buffer */ uint8_t data[MRQ_RINGBUF_CONSOLE_MAX_READ_LEN]; /** @brief Number of bytes in cmd_ringbuf_console_read_resp::data */ uint8_t len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data for request type #CMD_RINGBUF_CONSOLE_WRITE */ struct cmd_ringbuf_console_write_req { /** @brief The actual data to be written to the BPMP RX buffer */ uint8_t data[MRQ_RINGBUF_CONSOLE_MAX_WRITE_LEN]; /** @brief Number of bytes in cmd_ringbuf_console_write_req::data */ uint8_t len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host response data for request type #CMD_RINGBUF_CONSOLE_WRITE */ struct cmd_ringbuf_console_write_resp { /** @brief Number of bytes of available space in the BPMP RX buffer */ uint32_t space_avail; /** @brief Number of bytes that were written to the BPMP RX buffer */ uint8_t len; } BPMP_ABI_PACKED; /** @private */ struct cmd_ringbuf_console_get_fifo_req { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief BPMP->Host reply data for request type #CMD_RINGBUF_CONSOLE_GET_FIFO */ struct cmd_ringbuf_console_get_fifo_resp { /** @brief Physical address of the BPMP TX buffer */ uint64_t bpmp_tx_buf_addr; /** @brief Physical address of the BPMP TX buffer head counter */ uint64_t bpmp_tx_head_addr; /** @brief Physical address of the BPMP TX buffer tail counter */ uint64_t bpmp_tx_tail_addr; /** @brief Length of the BPMP TX buffer */ uint32_t bpmp_tx_buf_len; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP request data. * * Reply type is union #mrq_ringbuf_console_bpmp_to_host_response . */ struct mrq_ringbuf_console_host_to_bpmp_request { /** * @brief Type of request. Values listed in enum * #mrq_ringbuf_console_host_to_bpmp_cmd. */ uint32_t type; /** @brief request type specific parameters. */ union { struct cmd_ringbuf_console_query_abi_req query_abi; struct cmd_ringbuf_console_read_req read; struct cmd_ringbuf_console_write_req write; struct cmd_ringbuf_console_get_fifo_req get_fifo; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup RingbufConsole * @brief Host->BPMP reply data * * In response to struct #mrq_ringbuf_console_host_to_bpmp_request. */ union mrq_ringbuf_console_bpmp_to_host_response { struct cmd_ringbuf_console_query_abi_resp query_abi; struct cmd_ringbuf_console_read_resp read; struct cmd_ringbuf_console_write_resp write; struct cmd_ringbuf_console_get_fifo_resp get_fifo; } BPMP_ABI_PACKED; /** @} RingbufConsole */ /** * @ingroup MRQ_Codes * @def MRQ_STRAP * @brief Set a strap value controlled by BPMP * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_strap_request * * Response Payload: N/A * @addtogroup Strap * * A strap is an input that is sampled by a hardware unit during the * unit's startup process. The sampled value of a strap affects the * behavior of the unit until the unit is restarted. Many hardware * units sample their straps at the instant that their resets are * deasserted. * * BPMP owns registers which act as straps to various units. It * exposes limited control of those straps via #MRQ_STRAP. * * @{ */ enum mrq_strap_cmd { /** @private */ STRAP_RESERVED = 0, /** @brief Set a strap value */ STRAP_SET = 1 }; /** * @brief Request with #MRQ_STRAP */ struct mrq_strap_request { /** @brief @ref mrq_strap_cmd */ uint32_t cmd; /** @brief Strap ID from @ref Strap_Identifiers */ uint32_t id; /** @brief Desired value for strap (if cmd is #STRAP_SET) */ uint32_t value; } BPMP_ABI_PACKED; /** @} Strap */ /** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_UPHY * @brief Perform a UPHY operation * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_uphy_request * * Response Payload: @ref mrq_uphy_response * * @addtogroup UPHY * @{ */ enum { CMD_UPHY_PCIE_LANE_MARGIN_CONTROL = 1, CMD_UPHY_PCIE_LANE_MARGIN_STATUS = 2, CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT = 3, CMD_UPHY_PCIE_CONTROLLER_STATE = 4, CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF = 5, CMD_UPHY_DISPLAY_PORT_INIT = 6, CMD_UPHY_DISPLAY_PORT_OFF = 7, CMD_UPHY_XUSB_DYN_LANES_RESTORE = 8, CMD_UPHY_MAX, }; struct cmd_uphy_margin_control_request { /** @brief Enable margin */ int32_t en; /** @brief Clear the number of error and sections */ int32_t clr; /** @brief Set x offset (1's complement) for left/right margin type (y should be 0) */ uint32_t x; /** @brief Set y offset (1's complement) for left/right margin type (x should be 0) */ uint32_t y; /** @brief Set number of bit blocks for each margin section */ uint32_t nblks; } BPMP_ABI_PACKED; struct cmd_uphy_margin_status_response { /** @brief Number of errors observed */ uint32_t status; } BPMP_ABI_PACKED; struct cmd_uphy_ep_controller_pll_init_request { /** @brief EP controller number, T194 valid: 0, 4, 5; T234 valid: 5, 6, 7, 10; T239 valid: 0 */ uint8_t ep_controller; } BPMP_ABI_PACKED; struct cmd_uphy_pcie_controller_state_request { /** @brief PCIE controller number, T194 valid: 0-4; T234 valid: 0-10; T239 valid: 0-3 */ uint8_t pcie_controller; uint8_t enable; } BPMP_ABI_PACKED; struct cmd_uphy_ep_controller_pll_off_request { /** @brief EP controller number, T194 valid: 0, 4, 5; T234 valid: 5, 6, 7, 10; T239 valid: 0 */ uint8_t ep_controller; } BPMP_ABI_PACKED; struct cmd_uphy_display_port_init_request { /** @brief DisplayPort link rate, T239 valid: 1620, 2700, 5400, 8100, 2160, 2430, 3240, 4320, 6750 */ uint16_t link_rate; /** @brief 1: lane 0; 2: lane 1; 3: lane 0 and 1 */ uint16_t lanes_bitmap; } BPMP_ABI_PACKED; struct cmd_uphy_xusb_dyn_lanes_restore_request { /** @brief 1: lane 0; 2: lane 1; 3: lane 0 and 1 */ uint16_t lanes_bitmap; } BPMP_ABI_PACKED; /** * @ingroup UPHY * @brief Request with #MRQ_UPHY * * Used by the sender of an #MRQ_UPHY message to control UPHY. * The uphy_request is split into several sub-commands. CMD_UPHY_PCIE_LANE_MARGIN_STATUS * requires no additional data. Others have a sub-command specific payload. Below table * shows sub-commands with their corresponding payload data. * * |sub-command |payload | * |------------------------------------ |----------------------------------------| * |CMD_UPHY_PCIE_LANE_MARGIN_CONTROL |uphy_set_margin_control | * |CMD_UPHY_PCIE_LANE_MARGIN_STATUS | | * |CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT |cmd_uphy_ep_controller_pll_init_request | * |CMD_UPHY_PCIE_CONTROLLER_STATE |cmd_uphy_pcie_controller_state_request | * |CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF |cmd_uphy_ep_controller_pll_off_request | * |CMD_UPHY_PCIE_DISPLAY_PORT_INIT |cmd_uphy_display_port_init_request | * |CMD_UPHY_PCIE_DISPLAY_PORT_OFF | | * |CMD_UPHY_XUSB_DYN_LANES_RESTORE |cmd_uphy_xusb_dyn_lanes_restore_request | * */ struct mrq_uphy_request { /** @brief Lane number. */ uint16_t lane; /** @brief Sub-command id. */ uint16_t cmd; union { struct cmd_uphy_margin_control_request uphy_set_margin_control; struct cmd_uphy_ep_controller_pll_init_request ep_ctrlr_pll_init; struct cmd_uphy_pcie_controller_state_request controller_state; struct cmd_uphy_ep_controller_pll_off_request ep_ctrlr_pll_off; struct cmd_uphy_display_port_init_request display_port_init; struct cmd_uphy_xusb_dyn_lanes_restore_request xusb_dyn_lanes_restore; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup UPHY * @brief Response to MRQ_UPHY * * Each sub-command supported by @ref mrq_uphy_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * * |sub-command |payload | * |---------------------------- |------------------------| * |CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | | * |CMD_UPHY_PCIE_LANE_MARGIN_STATUS |uphy_get_margin_status | * */ struct mrq_uphy_response { union { struct cmd_uphy_margin_status_response uphy_get_margin_status; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} UPHY */ /** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) */ /** * @ingroup MRQ_Codes * @def MRQ_FMON * @brief Perform a frequency monitor configuration operations * * * Platforms: T194 onwards * @cond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_fmon_request * * Response Payload: @ref mrq_fmon_response * @endcond (bpmp_t194 || bpmp_t234 || bpmp_t239 || bpmp_th500) * * @addtogroup FMON * @{ * @cond (bpmp_t194 || bpmp_t234) */ enum { /** * @brief Clamp FMON configuration to specified rate. * * The monitored clock must be running for clamp to succeed. If * clamped, FMON configuration is preserved when clock rate * and/or state is changed. * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EACCES: FMON access error @n * -#BPMP_EBADCMD if subcommand is not supported @n * -#BPMP_EBADSLT: clamp FMON on cluster with auto-CC3 enabled @n * -#BPMP_EBUSY: fmon is already clamped at different rate @n * -#BPMP_EFAULT: self-diagnostic error @n * -#BPMP_EINVAL: invalid FMON configuration @n * -#BPMP_EOPNOTSUPP: not in production mode @n * -#BPMP_ENODEV: invalid clk_id @n * -#BPMP_ENOENT: no calibration data, uninitialized @n * -#BPMP_ENOTSUP: avfs config not set @n * -#BPMP_ENOSYS: clamp FMON on cluster clock w/ no NAFLL @n * -#BPMP_ETIMEDOUT: operation timed out @n */ CMD_FMON_GEAR_CLAMP = 1, /** * @brief Release clamped FMON configuration. * * Allow FMON configuration to follow monitored clock rate * and/or state changes. * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EBADCMD if subcommand is not supported @n * -#BPMP_ENODEV: invalid clk_id @n * -#BPMP_ENOENT: no calibration data, uninitialized @n * -#BPMP_ENOTSUP: avfs config not set @n * -#BPMP_EOPNOTSUPP: not in production mode @n */ CMD_FMON_GEAR_FREE = 2, /** * @brief Return rate FMON is clamped at, or 0 if FMON is not * clamped. * * Inherently racy, since clamp state can be changed * concurrently. Useful for testing. * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EBADCMD if subcommand is not supported @n * -#BPMP_ENODEV: invalid clk_id @n * -#BPMP_ENOENT: no calibration data, uninitialized @n * -#BPMP_ENOTSUP: avfs config not set @n * -#BPMP_EOPNOTSUPP: not in production mode @n */ CMD_FMON_GEAR_GET = 3, /** * @brief Return current status of FMON faults detected by FMON * h/w or s/w since last invocation of this command. * Clears fault status. * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_EBADCMD if subcommand is not supported @n * -#BPMP_EINVAL: invalid fault type @n * -#BPMP_ENODEV: invalid clk_id @n * -#BPMP_ENOENT: no calibration data, uninitialized @n * -#BPMP_ENOTSUP: avfs config not set @n * -#BPMP_EOPNOTSUPP: not in production mode @n */ CMD_FMON_FAULT_STS_GET = 4, }; /** * @cond DEPRECATED * Kept for backward compatibility */ #define CMD_FMON_NUM 4 /** @endcond DEPRECATED */ /** * @defgroup fmon_fault_type FMON fault type * @addtogroup fmon_fault_type * @{ */ /** @brief All detected FMON faults (h/w or s/w) */ #define FMON_FAULT_TYPE_ALL 0U /** @brief FMON faults detected by h/w */ #define FMON_FAULT_TYPE_HW 1U /** @brief FMON faults detected by s/w */ #define FMON_FAULT_TYPE_SW 2U /** @} fmon_fault_type */ struct cmd_fmon_gear_clamp_request { int32_t unused; int64_t rate; } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_clamp_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_free_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_free_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** @private */ struct cmd_fmon_gear_get_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; struct cmd_fmon_gear_get_response { int64_t rate; } BPMP_ABI_PACKED; struct cmd_fmon_fault_sts_get_request { uint32_t fault_type; /**< @ref fmon_fault_type */ } BPMP_ABI_PACKED; struct cmd_fmon_fault_sts_get_response { uint32_t fault_sts; } BPMP_ABI_PACKED; /** * @ingroup FMON * @brief Request with #MRQ_FMON * * Used by the sender of an #MRQ_FMON message to configure clock * frequency monitors. The FMON request is split into several * sub-commands. Some sub-commands require no additional data. * Others have a sub-command specific payload * * |sub-command |payload | * |----------------------------|-----------------------| * |CMD_FMON_GEAR_CLAMP |fmon_gear_clamp | * |CMD_FMON_GEAR_FREE |- | * |CMD_FMON_GEAR_GET |- | * |CMD_FMON_FAULT_STS_GET |fmon_fault_sts_get | * */ struct mrq_fmon_request { /** @brief Sub-command and clock id concatenated to 32-bit word. * - bits[31..24] is the sub-cmd. * - bits[23..0] is monitored clock id used to select target * FMON */ uint32_t cmd_and_id; union { struct cmd_fmon_gear_clamp_request fmon_gear_clamp; /** @private */ struct cmd_fmon_gear_free_request fmon_gear_free; /** @private */ struct cmd_fmon_gear_get_request fmon_gear_get; struct cmd_fmon_fault_sts_get_request fmon_fault_sts_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup FMON * @brief Response to MRQ_FMON * * Each sub-command supported by @ref mrq_fmon_request may * return sub-command-specific data as indicated below. * * |sub-command |payload | * |----------------------------|------------------------| * |CMD_FMON_GEAR_CLAMP |- | * |CMD_FMON_GEAR_FREE |- | * |CMD_FMON_GEAR_GET |fmon_gear_get | * |CMD_FMON_FAULT_STS_GET |fmon_fault_sts_get | * */ struct mrq_fmon_response { union { /** @private */ struct cmd_fmon_gear_clamp_response fmon_gear_clamp; /** @private */ struct cmd_fmon_gear_free_response fmon_gear_free; struct cmd_fmon_gear_get_response fmon_gear_get; struct cmd_fmon_fault_sts_get_response fmon_fault_sts_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @endcond (bpmp_t194 || bpmp_t234) */ /** @} FMON */ /** * @ingroup MRQ_Codes * @def MRQ_EC * @brief Provide status information on faults reported by Error * Collator (EC) to HSM. * * * Platforms: T194 * @cond bpmp_t194 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_ec_request * * Response Payload: @ref mrq_ec_response * * @note This MRQ ABI is under construction, and subject to change * * @endcond bpmp_t194 * @addtogroup EC * @{ * @cond bpmp_t194 */ enum { /** * @cond DEPRECATED * @brief Retrieve specified EC status. * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_ENODEV if target EC is not owned by BPMP @n * -#BPMP_EACCES if target EC power domain is turned off @n * -#BPMP_EBADCMD if subcommand is not supported * @endcond DEPRECATED */ CMD_EC_STATUS_GET = 1, /* deprecated */ /** * @brief Retrieve specified EC extended status (includes error * counter and user values). * * mrq_response::err is 0 if the operation was successful, or @n * -#BPMP_ENODEV if target EC is not owned by BPMP @n * -#BPMP_EACCES if target EC power domain is turned off @n * -#BPMP_EBADCMD if subcommand is not supported */ CMD_EC_STATUS_EX_GET = 2, CMD_EC_NUM, }; /** @brief BPMP ECs error types */ enum bpmp_ec_err_type { /** @brief Parity error on internal data path * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_PARITY_INTERNAL = 1, /** @brief ECC SEC error on internal data path * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_ECC_SEC_INTERNAL = 2, /** @brief ECC DED error on internal data path * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_ECC_DED_INTERNAL = 3, /** @brief Comparator error * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_COMPARATOR = 4, /** @brief Register parity error * * Error descriptor @ref ec_err_reg_parity_desc. */ EC_ERR_TYPE_REGISTER_PARITY = 5, /** @brief Parity error from on-chip SRAM/FIFO * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_PARITY_SRAM = 6, /** @brief Clock Monitor error * * Error descriptor @ref ec_err_fmon_desc. */ EC_ERR_TYPE_CLOCK_MONITOR = 9, /** @brief Voltage Monitor error * * Error descriptor @ref ec_err_vmon_desc. */ EC_ERR_TYPE_VOLTAGE_MONITOR = 10, /** @brief SW Correctable error * * Error descriptor @ref ec_err_sw_error_desc. */ EC_ERR_TYPE_SW_CORRECTABLE = 16, /** @brief SW Uncorrectable error * * Error descriptor @ref ec_err_sw_error_desc. */ EC_ERR_TYPE_SW_UNCORRECTABLE = 17, /** @brief Other HW Correctable error * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_OTHER_HW_CORRECTABLE = 32, /** @brief Other HW Uncorrectable error * * Error descriptor @ref ec_err_simple_desc. */ EC_ERR_TYPE_OTHER_HW_UNCORRECTABLE = 33, }; /** @brief Group of registers with parity error. */ enum ec_registers_group { /** @brief Functional registers group */ EC_ERR_GROUP_FUNC_REG = 0U, /** @brief SCR registers group */ EC_ERR_GROUP_SCR_REG = 1U, }; /** * @defgroup bpmp_ec_status_flags EC Status Flags * @addtogroup bpmp_ec_status_flags * @{ */ /** @brief No EC error found flag */ #define EC_STATUS_FLAG_NO_ERROR 0x0001U /** @brief Last EC error found flag */ #define EC_STATUS_FLAG_LAST_ERROR 0x0002U /** @brief EC latent error flag */ #define EC_STATUS_FLAG_LATENT_ERROR 0x0004U /** @} bpmp_ec_status_flags */ /** * @defgroup bpmp_ec_desc_flags EC Descriptor Flags * @addtogroup bpmp_ec_desc_flags * @{ */ /** @brief EC descriptor error resolved flag */ #define EC_DESC_FLAG_RESOLVED 0x0001U /** @brief EC descriptor failed to retrieve id flag */ #define EC_DESC_FLAG_NO_ID 0x0002U /** @} bpmp_ec_desc_flags */ /** * |error type | fmon_clk_id values | * |---------------------------------|---------------------------| * |@ref EC_ERR_TYPE_CLOCK_MONITOR |@ref bpmp_clock_ids | */ struct ec_err_fmon_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief FMON monitored clock id */ uint16_t fmon_clk_id; /** * @brief Bitmask of fault flags * * @ref bpmp_fmon_faults_flags */ uint32_t fmon_faults; /** @brief FMON faults access error */ int32_t fmon_access_error; } BPMP_ABI_PACKED; /** * | error type | vmon_adc_id values | * |---------------------------------|---------------------------| * |@ref EC_ERR_TYPE_VOLTAGE_MONITOR |@ref bpmp_adc_ids | */ struct ec_err_vmon_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief VMON rail adc id */ uint16_t vmon_adc_id; /** @brief Bitmask of bpmp_vmon_faults_flags */ uint32_t vmon_faults; /** @brief VMON faults access error */ int32_t vmon_access_error; } BPMP_ABI_PACKED; /** * |error type | reg_id values | * |---------------------------------|-----------------------| * |@ref EC_ERR_TYPE_REGISTER_PARITY | bpmp_ec_registers_ids | */ struct ec_err_reg_parity_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief Register id */ uint16_t reg_id; /** @brief Register group @ref ec_registers_group */ uint16_t reg_group; } BPMP_ABI_PACKED; /** * |error type | err_source_id values | * |--------------------------------- |----------------------| * |@ref EC_ERR_TYPE_SW_CORRECTABLE | bpmp_ec_ce_swd_ids | * |@ref EC_ERR_TYPE_SW_UNCORRECTABLE | bpmp_ec_ue_swd_ids | */ struct ec_err_sw_error_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief Error source id */ uint16_t err_source_id; /** @brief Sw error data */ uint32_t sw_error_data; } BPMP_ABI_PACKED; /** * |error type | err_source_id values | * |----------------------------------------|------------------------| * |@ref EC_ERR_TYPE_PARITY_INTERNAL | bpmp_ec_ipath_ids | * |@ref EC_ERR_TYPE_ECC_SEC_INTERNAL | bpmp_ec_ipath_ids | * |@ref EC_ERR_TYPE_ECC_DED_INTERNAL | bpmp_ec_ipath_ids | * |@ref EC_ERR_TYPE_COMPARATOR | bpmp_ec_comparator_ids| * |@ref EC_ERR_TYPE_OTHER_HW_CORRECTABLE | bpmp_ec_misc_hwd_ids | * |@ref EC_ERR_TYPE_OTHER_HW_UNCORRECTABLE | bpmp_ec_misc_hwd_ids | * |@ref EC_ERR_TYPE_PARITY_SRAM | bpmp_clock_ids | */ struct ec_err_simple_desc { /** @brief Bitmask of @ref bpmp_ec_desc_flags */ uint16_t desc_flags; /** @brief Error source id. Id space depends on error type. */ uint16_t err_source_id; } BPMP_ABI_PACKED; /** @brief Union of EC error descriptors */ union ec_err_desc { struct ec_err_fmon_desc fmon_desc; struct ec_err_vmon_desc vmon_desc; struct ec_err_reg_parity_desc reg_parity_desc; struct ec_err_sw_error_desc sw_error_desc; struct ec_err_simple_desc simple_desc; } BPMP_ABI_PACKED; struct cmd_ec_status_get_request { /** @brief HSM error line number that identifies target EC. */ uint32_t ec_hsm_id; } BPMP_ABI_PACKED; /** EC status maximum number of descriptors */ #define EC_ERR_STATUS_DESC_MAX_NUM 4U /** * @cond DEPRECATED */ struct cmd_ec_status_get_response { /** @brief Target EC id (the same id received with request). */ uint32_t ec_hsm_id; /** * @brief Bitmask of @ref bpmp_ec_status_flags * * If NO_ERROR flag is set, error_ fields should be ignored */ uint32_t ec_status_flags; /** @brief Found EC error index. */ uint32_t error_idx; /** @brief Found EC error type @ref bpmp_ec_err_type. */ uint32_t error_type; /** @brief Number of returned EC error descriptors */ uint32_t error_desc_num; /** @brief EC error descriptors */ union ec_err_desc error_descs[EC_ERR_STATUS_DESC_MAX_NUM]; } BPMP_ABI_PACKED; /** @endcond DEPRECATED */ struct cmd_ec_status_ex_get_response { /** @brief Target EC id (the same id received with request). */ uint32_t ec_hsm_id; /** * @brief Bitmask of @ref bpmp_ec_status_flags * * If NO_ERROR flag is set, error_ fields should be ignored */ uint32_t ec_status_flags; /** @brief Found EC error index. */ uint32_t error_idx; /** @brief Found EC error type @ref bpmp_ec_err_type. */ uint32_t error_type; /** @brief Found EC mission error counter value */ uint32_t error_counter; /** @brief Found EC mission error user value */ uint32_t error_uval; /** @brief Reserved entry */ uint32_t reserved; /** @brief Number of returned EC error descriptors */ uint32_t error_desc_num; /** @brief EC error descriptors */ union ec_err_desc error_descs[EC_ERR_STATUS_DESC_MAX_NUM]; } BPMP_ABI_PACKED; /** * @ingroup EC * @brief Request with #MRQ_EC * * Used by the sender of an #MRQ_EC message to access ECs owned * by BPMP. * * @cond DEPRECATED * |sub-command |payload | * |----------------------------|-----------------------| * |@ref CMD_EC_STATUS_GET |ec_status_get | * @endcond DEPRECATED * * |sub-command |payload | * |----------------------------|-----------------------| * |@ref CMD_EC_STATUS_EX_GET |ec_status_get | * */ struct mrq_ec_request { /** @brief Sub-command id. */ uint32_t cmd_id; union { struct cmd_ec_status_get_request ec_status_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup EC * @brief Response to MRQ_EC * * Each sub-command supported by @ref mrq_ec_request may return * sub-command-specific data as indicated below. * * @cond DEPRECATED * |sub-command |payload | * |----------------------------|------------------------| * |@ref CMD_EC_STATUS_GET |ec_status_get | * @endcond DEPRECATED * * |sub-command |payload | * |----------------------------|------------------------| * |@ref CMD_EC_STATUS_EX_GET |ec_status_ex_get | * */ struct mrq_ec_response { union { /** * @cond DEPRECATED */ struct cmd_ec_status_get_response ec_status_get; /** @endcond DEPRECATED */ struct cmd_ec_status_ex_get_response ec_status_ex_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @endcond bpmp_t194 */ /** @} EC */ /** * @ingroup MRQ_Codes * @def MRQ_TELEMETRY * @brief Get address of memory buffer refreshed with recently sampled * telemetry data * * * Platforms: TH500 onwards * @cond bpmp_th500 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_telemetry_response * @addtogroup Telemetry * @{ */ /** * @brief Response to #MRQ_TELEMETRY * * mrq_response::err is * * 0: Telemetry data is available at returned address * * -#BPMP_EACCES: MRQ master is not allowed to request buffer refresh * * -#BPMP_ENAVAIL: Telemetry buffer cannot be refreshed via this MRQ channel * * -#BPMP_ENOTSUP: Telemetry buffer is not supported by BPMP-FW * * -#BPMP_ENODEV: Telemetry mrq is not supported by BPMP-FW */ struct mrq_telemetry_response { /** @brief Physical address of telemetry data buffer */ uint64_t data_buf_addr; /**< see @ref bpmp_telemetry_layout */ } BPMP_ABI_PACKED; /** @} Telemetry */ /** @endcond bpmp_th500 */ /** * @ingroup MRQ_Codes * @def MRQ_PWR_LIMIT * @brief Control power limits. * * * Platforms: TH500 onwards * @cond bpmp_th500 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pwr_limit_request * * Response Payload: @ref mrq_pwr_limit_response * * @addtogroup Pwrlimit * @{ */ enum mrq_pwr_limit_cmd { /** * @brief Check whether the BPMP-FW supports the specified * command * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_PWR_LIMIT_QUERY_ABI = 0, /** * @brief Set power limit * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: Pwr limit mrq is not supported by BPMP-FW * * -#BPMP_ENAVAIL: Invalid request parameters * * -#BPMP_EACCES: Request is not accepted */ CMD_PWR_LIMIT_SET = 1, /** * @brief Get power limit setting * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: Pwr limit mrq is not supported by BPMP-FW * * -#BPMP_ENAVAIL: Invalid request parameters */ CMD_PWR_LIMIT_GET = 2, /** * @brief Get current power cap * * mrq_response:err is * * 0: Success * * -#BPMP_ENODEV: Pwr limit mrq is not supported by BPMP-FW * * -#BPMP_ENAVAIL: Invalid request parameters */ CMD_PWR_LIMIT_CURR_CAP = 3, }; /** * @defgroup bpmp_pwr_limit_type PWR_LIMIT TYPEs * @{ */ /** @brief Limit value specifies traget cap */ #define PWR_LIMIT_TYPE_TARGET_CAP 0U /** @brief Limit value specifies maximum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MAX 1U /** @brief Limit value specifies minimum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MIN 2U /** @brief Number of limit types supported by mrq interface */ #define PWR_LIMIT_TYPE_NUM 3U /** @} bpmp_pwr_limit_type */ /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_QUERY_ABI */ struct cmd_pwr_limit_query_abi_request { uint32_t cmd_code; /**< @ref mrq_pwr_limit_cmd */ } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_SET * * Set specified limit of specified type from specified source. The success of * the request means that specified value is accepted as input to arbitration * with other sources settings for the same limit of the same type. Zero limit * is ignored by the arbitration (i.e., indicates "no limit set"). */ struct cmd_pwr_limit_set_request { uint32_t limit_id; /**< @ref bpmp_pwr_limit_id */ uint32_t limit_src; /**< @ref bpmp_pwr_limit_src */ uint32_t limit_type; /**< @ref bpmp_pwr_limit_type */ uint32_t limit_setting; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_GET * * Get previously set from specified source specified limit value of specified * type. */ struct cmd_pwr_limit_get_request { uint32_t limit_id; /**< @ref bpmp_pwr_limit_id */ uint32_t limit_src; /**< @ref bpmp_pwr_limit_src */ uint32_t limit_type; /**< @ref bpmp_pwr_limit_type */ } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_GET */ struct cmd_pwr_limit_get_response { uint32_t limit_setting; } BPMP_ABI_PACKED; /** * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_CURR_CAP * * For specified limit get current power cap aggregated from all sources. */ struct cmd_pwr_limit_curr_cap_request { uint32_t limit_id; /**< @ref bpmp_pwr_limit_id */ } BPMP_ABI_PACKED; /** * @brief Response data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_CURR_CAP */ struct cmd_pwr_limit_curr_cap_response { uint32_t curr_cap; } BPMP_ABI_PACKED; /** * @brief Request with #MRQ_PWR_LIMIT * * |sub-command |payload | * |----------------------------|---------------------------------| * |CMD_PWR_LIMIT_QUERY_ABI | cmd_pwr_limit_query_abi_request | * |CMD_PWR_LIMIT_SET | cmd_pwr_limit_set_request | * |CMD_PWR_LIMIT_GET | cmd_pwr_limit_get_request | * |CMD_PWR_LIMIT_CURR_CAP | cmd_pwr_limit_curr_cap_request | */ struct mrq_pwr_limit_request { uint32_t cmd; union { struct cmd_pwr_limit_query_abi_request pwr_limit_query_abi_req; struct cmd_pwr_limit_set_request pwr_limit_set_req; struct cmd_pwr_limit_get_request pwr_limit_get_req; struct cmd_pwr_limit_curr_cap_request pwr_limit_curr_cap_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @brief Response to MRQ_PWR_LIMIT * * |sub-command |payload | * |----------------------------|---------------------------------| * |CMD_PWR_LIMIT_QUERY_ABI | - | * |CMD_PWR_LIMIT_SET | - | * |CMD_PWR_LIMIT_GET | cmd_pwr_limit_get_response | * |CMD_PWR_LIMIT_CURR_CAP | cmd_pwr_limit_curr_cap_response | */ struct mrq_pwr_limit_response { union { struct cmd_pwr_limit_get_response pwr_limit_get_rsp; struct cmd_pwr_limit_curr_cap_response pwr_limit_curr_cap_rsp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} PwrLimit */ /** @endcond bpmp_th500 */ /** * @ingroup MRQ_Codes * @def MRQ_GEARS * @brief Get thresholds for NDIV offset switching * * * Platforms: TH500 onwards * @cond bpmp_th500 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A * * Response Payload: @ref mrq_gears_response * @addtogroup Gears * @{ */ /** * @brief Response to #MRQ_GEARS * * Used by the sender of an #MRQ_GEARS message to request thresholds * for NDIV offset switching. * * The mrq_gears_response::ncpu array defines four thresholds in units * of number of online CPUS to be used for choosing between five different * NDIV offset settings for CCPLEX cluster NAFLLs * * 1. If number of online CPUs < ncpu[0] use offset0 * 2. If number of online CPUs < ncpu[1] use offset1 * 3. If number of online CPUs < ncpu[2] use offset2 * 4. If number of online CPUs < ncpu[3] use offset3 * 5. If number of online CPUs >= ncpu[3] disable offsetting * * For TH500 mrq_gears_response::ncpu array has four valid entries. * * mrq_response::err is * * 0: gears defined and response data valid * * -#BPMP_ENODEV: MRQ is not supported by BPMP-FW * * -#BPMP_EACCES: Operation not permitted for the MRQ master * * -#BPMP_ENAVAIL: NDIV offsetting is disabled */ struct mrq_gears_response { /** @brief number of online CPUs for each gear */ uint32_t ncpu[16]; } BPMP_ABI_PACKED; /** @} Gears */ /** @endcond bpmp_th500 */ /** * @addtogroup Error_Codes * Negative values for mrq_response::err generally indicate some * error. The ABI defines the following error codes. Negating these * defines is an exercise left to the user. * @{ */ /** @brief Operation not permitted */ #define BPMP_EPERM 1 /** @brief No such file or directory */ #define BPMP_ENOENT 2 /** @brief No MRQ handler */ #define BPMP_ENOHANDLER 3 /** @brief I/O error */ #define BPMP_EIO 5 /** @brief Bad sub-MRQ command */ #define BPMP_EBADCMD 6 /** @brief Resource temporarily unavailable */ #define BPMP_EAGAIN 11 /** @brief Not enough memory */ #define BPMP_ENOMEM 12 /** @brief Permission denied */ #define BPMP_EACCES 13 /** @brief Bad address */ #define BPMP_EFAULT 14 /** @brief Resource busy */ #define BPMP_EBUSY 16 /** @brief No such device */ #define BPMP_ENODEV 19 /** @brief Argument is a directory */ #define BPMP_EISDIR 21 /** @brief Invalid argument */ #define BPMP_EINVAL 22 /** @brief Timeout during operation */ #define BPMP_ETIMEDOUT 23 /** @brief Out of range */ #define BPMP_ERANGE 34 /** @brief Function not implemented */ #define BPMP_ENOSYS 38 /** @brief Invalid slot */ #define BPMP_EBADSLT 57 /** @brief Invalid message */ #define BPMP_EBADMSG 77 /** @brief Operation not supported */ #define BPMP_EOPNOTSUPP 95 /** @brief Targeted resource not available */ #define BPMP_ENAVAIL 119 /** @brief Not supported */ #define BPMP_ENOTSUP 134 /** @brief No such device or address */ #define BPMP_ENXIO 140 /** @} Error_Codes */ #if defined(BPMP_ABI_CHECKS) #include "bpmp_abi_checks.h" #endif #endif