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linux/include/soc/tegra/bpmp-abi.h
Thomas Gleixner 9952f6918d treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation this program
  is distributed in the hope it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  for more details you should have received a copy of the gnu general
  public license along with this program if not see http www gnu org
  licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 228 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.107155473@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:52 -07:00

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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2014-2018, NVIDIA CORPORATION. All rights reserved.
*/
#ifndef _ABI_BPMP_ABI_H_
#define _ABI_BPMP_ABI_H_
#ifdef LK
#include <stdint.h>
#endif
#ifndef __ABI_PACKED
#define __ABI_PACKED __attribute__((packed))
#endif
#ifdef NO_GCC_EXTENSIONS
#define EMPTY char empty;
#define EMPTY_ARRAY 1
#else
#define EMPTY
#define EMPTY_ARRAY 0
#endif
#ifndef __UNION_ANON
#define __UNION_ANON
#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
* @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 Flags providing follow up directions to the receiver
*
* | Bit | Description |
* |-----|--------------------------------------------|
* | 1 | ring the sender's doorbell when responding |
* | 0 | should be 1 |
*/
uint32_t flags;
} __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 Reserved for future use */
uint32_t flags;
} __ABI_PACKED;
/**
* @ingroup MRQ_Format
* Minimum needed size for an IPC message buffer
*/
#define MSG_MIN_SZ 128
/**
* @ingroup MRQ_Format
* Minimum size guaranteed for data in an IPC message buffer
*/
#define MSG_DATA_MIN_SZ 120
/**
* @ingroup MRQ_Codes
* @name Legal MRQ codes
* These are the legal values for mrq_request::mrq
* @{
*/
#define MRQ_PING 0
#define MRQ_QUERY_TAG 1
#define MRQ_MODULE_LOAD 4
#define MRQ_MODULE_UNLOAD 5
#define MRQ_TRACE_MODIFY 7
#define MRQ_WRITE_TRACE 8
#define MRQ_THREADED_PING 9
#define MRQ_MODULE_MAIL 11
#define MRQ_DEBUGFS 19
#define MRQ_RESET 20
#define MRQ_I2C 21
#define MRQ_CLK 22
#define MRQ_QUERY_ABI 23
#define MRQ_PG_READ_STATE 25
#define MRQ_PG_UPDATE_STATE 26
#define MRQ_THERMAL 27
#define MRQ_CPU_VHINT 28
#define MRQ_ABI_RATCHET 29
#define MRQ_EMC_DVFS_LATENCY 31
#define MRQ_TRACE_ITER 64
#define MRQ_RINGBUF_CONSOLE 65
#define MRQ_PG 66
#define MRQ_CPU_NDIV_LIMITS 67
#define MRQ_STRAP 68
#define MRQ_UPHY 69
#define MRQ_CPU_AUTO_CC3 70
#define MRQ_QUERY_FW_TAG 71
#define MRQ_FMON 72
#define MRQ_EC 73
#define MRQ_FBVOLT_STATUS 74
/** @} */
/**
* @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 74
/**
* @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 Vhint CPU Voltage hint
* @defgroup EMC EMC
* @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 Fbvolt_status Fuse Burn Voltage Status
* @}
*/
/**
* @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;
} __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;
} __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;
} __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];
} __ABI_PACKED;
/**
* @ingroup MRQ_Codes
* @def MRQ_MODULE_LOAD
* @brief Dynamically load a BPMP code module
*
* * Platforms: T210, T214, T186
* @cond (bpmp_t210 || bpmp_t214 || bpmp_t186)
* * Initiators: CCPLEX
* * Targets: BPMP
* * Request Payload: @ref mrq_module_load_request
* * Response Payload: @ref mrq_module_load_response
*
* @note This MRQ is disabled on production systems
*
*/
/**
* @ingroup Module
* @brief Request with #MRQ_MODULE_LOAD
*
* Used by #MRQ_MODULE_LOAD calls to ask the recipient to dynamically
* load the code located at #phys_addr and having size #size
* bytes. #phys_addr is treated as a void pointer.
*
* The recipient copies the code from #phys_addr to locally allocated
* memory prior to responding to this message.
*
* @todo document the module header format
*
* The sender is responsible for ensuring that the code is mapped in
* the recipient's address map.
*
*/
struct mrq_module_load_request {
/** @brief Base address of the code to load. Treated as (void *) */
uint32_t phys_addr; /* (void *) */
/** @brief Size in bytes of code to load */
uint32_t size;
} __ABI_PACKED;
/**
* @ingroup Module
* @brief Response to #MRQ_MODULE_LOAD
*
* @todo document mrq_response::err
*/
struct mrq_module_load_response {
/** @brief Handle to the loaded module */
uint32_t base;
} __ABI_PACKED;
/** @endcond*/
/**
* @ingroup MRQ_Codes
* @def MRQ_MODULE_UNLOAD
* @brief Unload a previously loaded code module
*
* * Platforms: T210, T214, T186
* @cond (bpmp_t210 || bpmp_t214 || bpmp_t186)
* * Initiators: CCPLEX
* * Targets: BPMP
* * Request Payload: @ref mrq_module_unload_request
* * Response Payload: N/A
*
* @note This MRQ is disabled on production systems
*/
/**
* @ingroup Module
* @brief Request with #MRQ_MODULE_UNLOAD
*
* Used by #MRQ_MODULE_UNLOAD calls to request that a previously loaded
* module be unloaded.
*/
struct mrq_module_unload_request {
/** @brief Handle of the module to unload */
uint32_t base;
} __ABI_PACKED;
/** @endcond*/
/**
* @ingroup MRQ_Codes
* @def MRQ_TRACE_MODIFY
* @brief Modify the set of enabled trace events
*
* * Platforms: All
* * Initiators: CCPLEX
* * Targets: BPMP
* * Request Payload: @ref mrq_trace_modify_request
* * Response Payload: @ref mrq_trace_modify_response
*
* @note This MRQ is disabled on production systems
*/
/**
* @ingroup Trace
* @brief Request with #MRQ_TRACE_MODIFY
*
* Used by %MRQ_TRACE_MODIFY calls to enable or disable specify trace
* events. #set takes precedence for any bit set in both #set and
* #clr.
*/
struct mrq_trace_modify_request {
/** @brief Bit mask of trace events to disable */
uint32_t clr;
/** @brief Bit mask of trace events to enable */
uint32_t set;
} __ABI_PACKED;
/**
* @ingroup Trace
* @brief Response to #MRQ_TRACE_MODIFY
*
* Sent in repsonse to an #MRQ_TRACE_MODIFY message. #mask reflects the
* state of which events are enabled after the recipient acted on the
* message.
*
*/
struct mrq_trace_modify_response {
/** @brief Bit mask of trace event enable states */
uint32_t mask;
} __ABI_PACKED;
/**
* @ingroup MRQ_Codes
* @def MRQ_WRITE_TRACE
* @brief Write trace data to a buffer
*
* * Platforms: All
* * Initiators: CCPLEX
* * Targets: BPMP
* * Request Payload: @ref mrq_write_trace_request
* * Response Payload: @ref mrq_write_trace_response
*
* mrq_response::err depends on the @ref mrq_write_trace_request field
* values. err is -#BPMP_EINVAL if size is zero or area is NULL or
* area is in an illegal range. A positive value for err indicates the
* number of bytes written to area.
*
* @note This MRQ is disabled on production systems
*/
/**
* @ingroup Trace
* @brief Request with #MRQ_WRITE_TRACE
*
* Used by MRQ_WRITE_TRACE calls to ask the recipient to copy trace
* data from the recipient's local buffer to the output buffer. #area
* is treated as a byte-aligned pointer in the recipient's address
* space.
*
* The sender is responsible for ensuring that the output
* buffer is mapped in the recipient's address map. The recipient is
* responsible for protecting its own code and data from accidental
* overwrites.
*/
struct mrq_write_trace_request {
/** @brief Base address of output buffer */
uint32_t area;
/** @brief Size in bytes of the output buffer */
uint32_t size;
} __ABI_PACKED;
/**
* @ingroup Trace
* @brief Response to #MRQ_WRITE_TRACE
*
* Once this response is sent, the respondent will not access the
* output buffer further.
*/
struct mrq_write_trace_response {
/**
* @brief Flag whether more data remains in local buffer
*
* Value is 1 if the entire local trace buffer has been
* drained to the outputbuffer. Value is 0 otherwise.
*/
uint32_t eof;
} __ABI_PACKED;
/** @private */
struct mrq_threaded_ping_request {
uint32_t challenge;
} __ABI_PACKED;
/** @private */
struct mrq_threaded_ping_response {
uint32_t reply;
} __ABI_PACKED;
/**
* @ingroup MRQ_Codes
* @def MRQ_MODULE_MAIL
* @brief Send a message to a loadable module
*
* * Platforms: T210, T214, T186
* @cond (bpmp_t210 || bpmp_t214 || bpmp_t186)
* * Initiators: Any
* * Targets: BPMP
* * Request Payload: @ref mrq_module_mail_request
* * Response Payload: @ref mrq_module_mail_response
*
* @note This MRQ is disabled on production systems
*/
/**
* @ingroup Module
* @brief Request with #MRQ_MODULE_MAIL
*/
struct mrq_module_mail_request {
/** @brief Handle to the previously loaded module */
uint32_t base;
/** @brief Module-specific mail payload
*
* The length of data[ ] is unknown to the BPMP core firmware
* but it is limited to the size of an IPC message.
*/
uint8_t data[EMPTY_ARRAY];
} __ABI_PACKED;
/**
* @ingroup Module
* @brief Response to #MRQ_MODULE_MAIL
*/
struct mrq_module_mail_response {
/** @brief Module-specific mail payload
*
* The length of data[ ] is unknown to the BPMP core firmware
* but it is limited to the size of an IPC message.
*/
uint8_t data[EMPTY_ARRAY];
} __ABI_PACKED;
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_DEBUGFS
* @brief Interact with BPMP's debugfs file nodes
*
* * 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;
} __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;
} __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;
} __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;
} __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;
} __UNION_ANON;
} __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;
} __UNION_ANON;
} __ABI_PACKED;
/**
* @addtogroup Debugfs
* @{
*/
#define DEBUGFS_S_ISDIR (1 << 9)
#define DEBUGFS_S_IRUSR (1 << 8)
#define DEBUGFS_S_IWUSR (1 << 7)
/** @} */
/**
* @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 */
CMD_RESET_ASSERT = 1,
/** @brief Deassert module reset */
CMD_RESET_DEASSERT = 2,
/** @brief Assert and deassert the module reset */
CMD_RESET_MODULE = 3,
/** @brief Get the highest reset ID */
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 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;
} __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;
} __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;
} __UNION_ANON;
} __ABI_PACKED;
/** @} */
/**
* @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 - 12)
#define TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE (MSG_DATA_MIN_SZ - 4)
#define SERIALI2C_TEN 0x0010
#define SERIALI2C_RD 0x0001
#define SERIALI2C_STOP 0x8000
#define SERIALI2C_NOSTART 0x4000
#define SERIALI2C_REV_DIR_ADDR 0x2000
#define SERIALI2C_IGNORE_NAK 0x1000
#define SERIALI2C_NO_RD_ACK 0x0800
#define SERIALI2C_RECV_LEN 0x0400
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[];
} __ABI_PACKED;
/**
* @brief Trigger one or more i2c transactions
*/
struct cmd_i2c_xfer_request {
/** @brief Valid bus number from @ref bpmp_i2c_ids*/
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];
} __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];
} __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;
} __ABI_PACKED;
/**
* @brief Response to #MRQ_I2C
*/
struct mrq_i2c_response {
struct cmd_i2c_xfer_response xfer;
} __ABI_PACKED;
/** @} */
/**
* @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,
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 (1 << 0)
#define BPMP_CLK_HAS_SET_RATE (1 << 1)
#define BPMP_CLK_IS_ROOT (1 << 2)
#define MRQ_CLK_NAME_MAXLEN 40
#define MRQ_CLK_MAX_PARENTS 16
/** @private */
struct cmd_clk_get_rate_request {
EMPTY
} __ABI_PACKED;
struct cmd_clk_get_rate_response {
int64_t rate;
} __ABI_PACKED;
struct cmd_clk_set_rate_request {
int32_t unused;
int64_t rate;
} __ABI_PACKED;
struct cmd_clk_set_rate_response {
int64_t rate;
} __ABI_PACKED;
struct cmd_clk_round_rate_request {
int32_t unused;
int64_t rate;
} __ABI_PACKED;
struct cmd_clk_round_rate_response {
int64_t rate;
} __ABI_PACKED;
/** @private */
struct cmd_clk_get_parent_request {
EMPTY
} __ABI_PACKED;
struct cmd_clk_get_parent_response {
uint32_t parent_id;
} __ABI_PACKED;
struct cmd_clk_set_parent_request {
uint32_t parent_id;
} __ABI_PACKED;
struct cmd_clk_set_parent_response {
uint32_t parent_id;
} __ABI_PACKED;
/** @private */
struct cmd_clk_is_enabled_request {
EMPTY
} __ABI_PACKED;
struct cmd_clk_is_enabled_response {
int32_t state;
} __ABI_PACKED;
/** @private */
struct cmd_clk_enable_request {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_clk_enable_response {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_clk_disable_request {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_clk_disable_response {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_clk_get_all_info_request {
EMPTY
} __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];
} __ABI_PACKED;
/** @private */
struct cmd_clk_get_max_clk_id_request {
EMPTY
} __ABI_PACKED;
struct cmd_clk_get_max_clk_id_response {
uint32_t max_id;
} __ABI_PACKED;
/** @private */
struct cmd_clk_get_fmax_at_vmin_request {
EMPTY
} __ABI_PACKED;
struct cmd_clk_get_fmax_at_vmin_response {
int64_t rate;
} __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 |-
* |
*
*/
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;
/** @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;
} __UNION_ANON;
} __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 |
*
*/
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;
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;
} __UNION_ANON;
} __ABI_PACKED;
/** @} */
/**
* @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;
} __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;
} __ABI_PACKED;
/**
* @ingroup MRQ_Codes
* @def MRQ_PG_READ_STATE
* @brief Read the power-gating state of a partition
*
* * Platforms: T186
* @cond bpmp_t186
* * Initiators: Any
* * Targets: BPMP
* * Request Payload: @ref mrq_pg_read_state_request
* * Response Payload: @ref mrq_pg_read_state_response
*/
/**
* @ingroup Powergating
* @brief Request with #MRQ_PG_READ_STATE
*
* Used by MRQ_PG_READ_STATE call to read the current state of a
* partition.
*/
struct mrq_pg_read_state_request {
/** @brief ID of partition */
uint32_t partition_id;
} __ABI_PACKED;
/**
* @ingroup Powergating
* @brief Response to MRQ_PG_READ_STATE
* @todo define possible errors.
*/
struct mrq_pg_read_state_response {
/** @brief Read as don't care */
uint32_t sram_state;
/** @brief State of power partition
* * 0 : off
* * 1 : on
*/
uint32_t logic_state;
} __ABI_PACKED;
/** @endcond*/
/** @} */
/**
* @ingroup MRQ_Codes
* @def MRQ_PG_UPDATE_STATE
* @brief Modify the power-gating state of a partition. In contrast to
* MRQ_PG calls, the operations that change state (on/off) of power
* partition are reference counted.
*
* * Platforms: T186
* @cond bpmp_t186
* * Initiators: Any
* * Targets: BPMP
* * Request Payload: @ref mrq_pg_update_state_request
* * Response Payload: N/A
*/
/**
* @ingroup Powergating
* @brief Request with mrq_pg_update_state_request
*
* Used by #MRQ_PG_UPDATE_STATE call to request BPMP to change the
* state of a power partition #partition_id.
*/
struct mrq_pg_update_state_request {
/** @brief ID of partition */
uint32_t partition_id;
/** @brief Secondary control of power partition
* @details Ignored by many versions of the BPMP
* firmware. For maximum compatibility, set the value
* according to @ref logic_state
* * 0x1: power ON partition (@ref logic_state == 0x3)
* * 0x3: power OFF partition (@ref logic_state == 0x1)
*/
uint32_t sram_state;
/** @brief Controls state of power partition, legal values are
* * 0x1 : power OFF partition
* * 0x3 : power ON partition
*/
uint32_t logic_state;
/** @brief Change state of clocks of the power partition, legal values
* * 0x0 : do not change clock state
* * 0x1 : disable partition clocks (only applicable when
* @ref logic_state == 0x1)
* * 0x3 : enable partition clocks (only applicable when
* @ref logic_state == 0x3)
*/
uint32_t clock_state;
} __ABI_PACKED;
/** @endcond*/
/**
* @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
*
* @note 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.
*
* * 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;
} __ABI_PACKED;
struct cmd_pg_set_state_request {
/** @ref pg_states */
uint32_t state;
} __ABI_PACKED;
struct cmd_pg_get_state_response {
/** @ref pg_states */
uint32_t state;
} __ABI_PACKED;
struct cmd_pg_get_name_response {
uint8_t name[MRQ_PG_NAME_MAXLEN];
} __ABI_PACKED;
struct cmd_pg_get_max_id_response {
uint32_t max_id;
} __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;
} __UNION_ANON;
} __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;
} __UNION_ANON;
} __ABI_PACKED;
/** @} */
/**
* @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: 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;
} __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;
} __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;
} __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;
} __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;
} __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;
} __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;
} __UNION_ANON;
} __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;
} __UNION_ANON;
} __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_num_zones_response get_num_zones;
} __ABI_PACKED;
/** @} */
/**
* @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;
} __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];
} __ABI_PACKED;
/** @endcond */
/** @} */
/**
* @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;
};
/** @} */
/**
* @ingroup MRQ_Codes
* @def MRQ_EMC_DVFS_LATENCY
* @brief Query frequency dependent EMC DVFS latency
*
* * Platforms: T186, T194
* * 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 frequency in kHz */
uint32_t freq;
/** @brief EMC DVFS latency in nanoseconds */
uint32_t latency;
} __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 <frequency, latency> information */
struct emc_dvfs_latency pairs[EMC_DVFS_LATENCY_MAX_SIZE];
} __ABI_PACKED;
/** @} */
/**
* @ingroup MRQ_Codes
* @def MRQ_CPU_NDIV_LIMITS
* @brief CPU freq. limits in ndiv
*
* * Platforms: T194 onwards
* @cond bpmp_t194
* * 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;
} __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;
} __ABI_PACKED;
/** @} */
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_CPU_AUTO_CC3
* @brief Query CPU cluster auto-CC3 configuration
*
* * Platforms: T194 onwards
* @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;
} __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;
} __ABI_PACKED;
/** @} */
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_TRACE_ITER
* @brief Manage the trace iterator
*
* * Platforms: All
* * Initiators: CCPLEX
* * Targets: BPMP
* * Request Payload: N/A
* * Response Payload: @ref mrq_trace_iter_request
* @addtogroup Trace
* @{
*/
enum {
/** @brief (re)start the tracing now. Ignore older events */
TRACE_ITER_INIT = 0,
/** @brief Clobber all events in the trace buffer */
TRACE_ITER_CLEAN = 1
};
/**
* @brief Request with #MRQ_TRACE_ITER
*/
struct mrq_trace_iter_request {
/** @brief TRACE_ITER_INIT or TRACE_ITER_CLEAN */
uint32_t cmd;
} __ABI_PACKED;
/** @} */
/**
* @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;
} __ABI_PACKED;
/** @private */
struct cmd_ringbuf_console_query_abi_resp {
EMPTY
} __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;
} __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;
} __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;
} __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;
} __ABI_PACKED;
/** @private */
struct cmd_ringbuf_console_get_fifo_req {
EMPTY
} __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;
} __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;
} __UNION_ANON;
} __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;
} __ABI_PACKED;
/** @} */
/**
* @ingroup MRQ_Codes
* @def MRQ_STRAP
* @brief Set a strap value controlled by BPMP
*
* * Platforms: T194 onwards
* @cond bpmp_t194
* * 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_Ids */
uint32_t id;
/** @brief Desired value for strap (if cmd is #STRAP_SET) */
uint32_t value;
} __ABI_PACKED;
/**
* @defgroup Strap_Ids Strap Identifiers
* @}
*/
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_UPHY
* @brief Perform a UPHY operation
*
* * Platforms: T194 onwards
* @cond bpmp_t194
* * 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_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;
} __ABI_PACKED;
struct cmd_uphy_margin_status_response {
/** @brief Number of errors observed */
uint32_t status;
} __ABI_PACKED;
struct cmd_uphy_ep_controller_pll_init_request {
/** @brief EP controller number, valid: 0, 4, 5 */
uint8_t ep_controller;
} __ABI_PACKED;
struct cmd_uphy_pcie_controller_state_request {
/** @brief PCIE controller number, valid: 0, 1, 2, 3, 4 */
uint8_t pcie_controller;
uint8_t enable;
} __ABI_PACKED;
/**
* @ingroup UPHY
* @brief Request with #MRQ_UPHY
*
* Used by the sender of an #MRQ_UPHY message to control UPHY Lane RX margining.
* The uphy_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_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 |
*
*/
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;
} __UNION_ANON;
} __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;
} __UNION_ANON;
} __ABI_PACKED;
/** @} */
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_FMON
* @brief Perform a frequency monitor configuration operations
*
* * Platforms: T194 onwards
* @cond bpmp_t194
* * Initiators: CCPLEX
* * Targets: BPMP
* * Request Payload: @ref mrq_fmon_request
* * Response Payload: @ref mrq_fmon_response
*
* @addtogroup FMON
* @{
*/
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.
*/
CMD_FMON_GEAR_CLAMP = 1,
/**
* @brief Release clamped FMON configuration.
*
* Allow FMON configuration to follow monitored clock rate
* and/or state changes.
*/
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.
*/
CMD_FMON_GEAR_GET = 3,
CMD_FMON_NUM,
};
struct cmd_fmon_gear_clamp_request {
int32_t unused;
int64_t rate;
} __ABI_PACKED;
/** @private */
struct cmd_fmon_gear_clamp_response {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_fmon_gear_free_request {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_fmon_gear_free_response {
EMPTY
} __ABI_PACKED;
/** @private */
struct cmd_fmon_gear_get_request {
EMPTY
} __ABI_PACKED;
struct cmd_fmon_gear_get_response {
int64_t rate;
} __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 |- |
*
*/
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;
} __UNION_ANON;
} __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 |
*
*/
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;
} __UNION_ANON;
} __ABI_PACKED;
/** @} */
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_EC
* @brief Provide status information on faults reported by Error
* Collator (EC) to HSM.
*
* * Platforms: T194 onwards
* @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
*
* @addtogroup EC
* @{
*/
enum {
/**
* @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
*/
CMD_EC_STATUS_GET = 1,
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_simple_desc.
*/
EC_ERR_TYPE_SW_CORRECTABLE = 16,
/** @brief SW Uncorrectable error
*
* Error descriptor @ref ec_err_simple_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 = 0,
/** @brief SCR registers group */
EC_ERR_GROUP_SCR_REG = 1,
};
/**
* @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 0x0001
/** @brief Last EC error found flag */
#define EC_STATUS_FLAG_LAST_ERROR 0x0002
/** @brief EC latent error flag */
#define EC_STATUS_FLAG_LATENT_ERROR 0x0004
/** @} */
/**
* @defgroup bpmp_ec_desc_flags EC Descriptor Flags
* @addtogroup bpmp_ec_desc_flags
* @{
*/
/** @brief EC descriptor error resolved flag */
#define EC_DESC_FLAG_RESOLVED 0x0001
/** @brief EC descriptor failed to retrieve id flag */
#define EC_DESC_FLAG_NO_ID 0x0002
/** @} */
/**
* |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 @ref bpmp_fmon_faults_flags */
uint32_t fmon_faults;
/** @brief FMON faults access error */
int32_t fmon_access_error;
} __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 @ref bpmp_vmon_faults_flags */
uint32_t vmon_faults;
/** @brief VMON faults access error */
int32_t vmon_access_error;
} __ABI_PACKED;
/**
* |error type | reg_id values |
* |---------------------------------|---------------------------|
* |@ref EC_ERR_TYPE_REGISTER_PARITY |@ref 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;
} __ABI_PACKED;
/**
* |error type | err_source_id values |
* |----------------------------------------|---------------------------|
* |@ref EC_ERR_TYPE_PARITY_INTERNAL |@ref bpmp_ec_ipath_ids |
* |@ref EC_ERR_TYPE_ECC_SEC_INTERNAL |@ref bpmp_ec_ipath_ids |
* |@ref EC_ERR_TYPE_ECC_DED_INTERNAL |@ref bpmp_ec_ipath_ids |
* |@ref EC_ERR_TYPE_COMPARATOR |@ref bpmp_ec_comparator_ids|
* |@ref EC_ERR_TYPE_PARITY_SRAM |@ref bpmp_clock_ids |
* |@ref EC_ERR_TYPE_SW_CORRECTABLE |@ref bpmp_ec_misc_ids |
* |@ref EC_ERR_TYPE_SW_UNCORRECTABLE |@ref bpmp_ec_misc_ids |
* |@ref EC_ERR_TYPE_OTHER_HW_CORRECTABLE |@ref bpmp_ec_misc_ids |
* |@ref EC_ERR_TYPE_OTHER_HW_UNCORRECTABLE |@ref bpmp_ec_misc_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;
} __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_simple_desc simple_desc;
} __ABI_PACKED;
struct cmd_ec_status_get_request {
/** @brief HSM error line number that identifies target EC. */
uint32_t ec_hsm_id;
} __ABI_PACKED;
/** EC status maximum number of descriptors */
#define EC_ERR_STATUS_DESC_MAX_NUM 4
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];
} __ABI_PACKED;
/**
* @ingroup EC
* @brief Request with #MRQ_EC
*
* Used by the sender of an #MRQ_EC message to access ECs owned
* by BPMP.
*
* |sub-command |payload |
* |----------------------------|-----------------------|
* |@ref CMD_EC_STATUS_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;
} __UNION_ANON;
} __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.
*
* |sub-command |payload |
* |----------------------------|------------------------|
* |@ref CMD_EC_STATUS_GET |ec_status_get |
*
*/
struct mrq_ec_response {
union {
struct cmd_ec_status_get_response ec_status_get;
} __UNION_ANON;
} __ABI_PACKED;
/** @} */
/** @endcond */
/**
* @ingroup MRQ_Codes
* @def MRQ_FBVOLT_STATUS
* @brief Provides status information about voltage state for fuse burning
*
* * Platforms: T194 onwards
* @cond bpmp_t194
* * Initiators: CCPLEX
* * Target: BPMP
* * Request Payload: None
* * Response Payload: @ref mrq_fbvolt_status_response
* @{
*/
/**
* @ingroup Fbvolt_status
* @brief Response to #MRQ_FBVOLT_STATUS
*
* Value of #ready reflects if core voltages are in a suitable state for buring
* fuses. A value of 0x1 indicates that core voltages are ready for burning
* fuses. A value of 0x0 indicates that core voltages are not ready.
*/
struct mrq_fbvolt_status_response {
/** @brief Bit [0:0] - ready status, bits [31:1] - reserved */
uint32_t ready;
/** @brief Reserved */
uint32_t unused;
} __ABI_PACKED;
/** @} */
/** @endcond */
/**
* @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 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 Not enough memory */
#define BPMP_ENOMEM 12
/** @brief Permission denied */
#define BPMP_EACCES 13
/** @brief Bad address */
#define BPMP_EFAULT 14
/** @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
/** @} */
#endif
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