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https://github.com/brain-hackers/u-boot-brain
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![Vignesh Raghavendra](/assets/img/avatar_default.png)
Do not fail if any of the requested subtypes are not available, but set the number of resources to 0 and continue parsing the resource ranges. Based on Linux kernel patch by Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
3290 lines
91 KiB
C
3290 lines
91 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Texas Instruments System Control Interface Protocol Driver
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* Based on drivers/firmware/ti_sci.c from Linux.
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*
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* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
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* Lokesh Vutla <lokeshvutla@ti.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <mailbox.h>
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#include <dm/device.h>
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#include <linux/compat.h>
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#include <linux/err.h>
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#include <linux/soc/ti/k3-sec-proxy.h>
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#include <linux/soc/ti/ti_sci_protocol.h>
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#include "ti_sci.h"
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/* List of all TI SCI devices active in system */
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static LIST_HEAD(ti_sci_list);
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/**
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* struct ti_sci_xfer - Structure representing a message flow
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* @tx_message: Transmit message
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* @rx_len: Receive message length
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*/
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struct ti_sci_xfer {
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struct k3_sec_proxy_msg tx_message;
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u8 rx_len;
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};
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/**
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* struct ti_sci_rm_type_map - Structure representing TISCI Resource
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* management representation of dev_ids.
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* @dev_id: TISCI device ID
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* @type: Corresponding id as identified by TISCI RM.
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*
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* Note: This is used only as a work around for using RM range apis
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* for AM654 SoC. For future SoCs dev_id will be used as type
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* for RM range APIs. In order to maintain ABI backward compatibility
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* type is not being changed for AM654 SoC.
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*/
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struct ti_sci_rm_type_map {
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u32 dev_id;
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u16 type;
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};
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/**
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* struct ti_sci_desc - Description of SoC integration
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* @default_host_id: Host identifier representing the compute entity
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* @max_rx_timeout_ms: Timeout for communication with SoC (in Milliseconds)
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* @max_msgs: Maximum number of messages that can be pending
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* simultaneously in the system
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* @max_msg_size: Maximum size of data per message that can be handled.
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* @rm_type_map: RM resource type mapping structure.
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*/
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struct ti_sci_desc {
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u8 default_host_id;
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int max_rx_timeout_ms;
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int max_msgs;
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int max_msg_size;
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struct ti_sci_rm_type_map *rm_type_map;
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};
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/**
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* struct ti_sci_info - Structure representing a TI SCI instance
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* @dev: Device pointer
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* @desc: SoC description for this instance
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* @handle: Instance of TI SCI handle to send to clients.
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* @chan_tx: Transmit mailbox channel
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* @chan_rx: Receive mailbox channel
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* @xfer: xfer info
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* @list: list head
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* @is_secure: Determines if the communication is through secure threads.
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* @host_id: Host identifier representing the compute entity
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* @seq: Seq id used for verification for tx and rx message.
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*/
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struct ti_sci_info {
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struct udevice *dev;
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const struct ti_sci_desc *desc;
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struct ti_sci_handle handle;
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struct mbox_chan chan_tx;
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struct mbox_chan chan_rx;
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struct mbox_chan chan_notify;
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struct ti_sci_xfer xfer;
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struct list_head list;
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struct list_head dev_list;
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bool is_secure;
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u8 host_id;
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u8 seq;
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};
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struct ti_sci_exclusive_dev {
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u32 id;
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u32 count;
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struct list_head list;
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};
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#define handle_to_ti_sci_info(h) container_of(h, struct ti_sci_info, handle)
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/**
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* ti_sci_setup_one_xfer() - Setup one message type
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* @info: Pointer to SCI entity information
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* @msg_type: Message type
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* @msg_flags: Flag to set for the message
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* @buf: Buffer to be send to mailbox channel
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* @tx_message_size: transmit message size
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* @rx_message_size: receive message size. may be set to zero for send-only
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* transactions.
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*
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* Helper function which is used by various command functions that are
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* exposed to clients of this driver for allocating a message traffic event.
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*
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* Return: Corresponding ti_sci_xfer pointer if all went fine,
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* else appropriate error pointer.
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*/
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static struct ti_sci_xfer *ti_sci_setup_one_xfer(struct ti_sci_info *info,
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u16 msg_type, u32 msg_flags,
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u32 *buf,
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size_t tx_message_size,
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size_t rx_message_size)
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{
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struct ti_sci_xfer *xfer = &info->xfer;
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struct ti_sci_msg_hdr *hdr;
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/* Ensure we have sane transfer sizes */
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if (rx_message_size > info->desc->max_msg_size ||
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tx_message_size > info->desc->max_msg_size ||
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(rx_message_size > 0 && rx_message_size < sizeof(*hdr)) ||
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tx_message_size < sizeof(*hdr))
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return ERR_PTR(-ERANGE);
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info->seq = ~info->seq;
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xfer->tx_message.buf = buf;
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xfer->tx_message.len = tx_message_size;
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xfer->rx_len = (u8)rx_message_size;
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hdr = (struct ti_sci_msg_hdr *)buf;
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hdr->seq = info->seq;
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hdr->type = msg_type;
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hdr->host = info->host_id;
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hdr->flags = msg_flags;
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return xfer;
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}
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/**
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* ti_sci_get_response() - Receive response from mailbox channel
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* @info: Pointer to SCI entity information
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* @xfer: Transfer to initiate and wait for response
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* @chan: Channel to receive the response
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*
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* Return: -ETIMEDOUT in case of no response, if transmit error,
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* return corresponding error, else if all goes well,
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* return 0.
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*/
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static inline int ti_sci_get_response(struct ti_sci_info *info,
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struct ti_sci_xfer *xfer,
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struct mbox_chan *chan)
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{
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struct k3_sec_proxy_msg *msg = &xfer->tx_message;
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struct ti_sci_secure_msg_hdr *secure_hdr;
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struct ti_sci_msg_hdr *hdr;
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int ret;
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/* Receive the response */
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ret = mbox_recv(chan, msg, info->desc->max_rx_timeout_ms * 1000);
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if (ret) {
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dev_err(info->dev, "%s: Message receive failed. ret = %d\n",
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__func__, ret);
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return ret;
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}
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/* ToDo: Verify checksum */
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if (info->is_secure) {
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secure_hdr = (struct ti_sci_secure_msg_hdr *)msg->buf;
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msg->buf = (u32 *)((void *)msg->buf + sizeof(*secure_hdr));
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}
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/* msg is updated by mailbox driver */
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hdr = (struct ti_sci_msg_hdr *)msg->buf;
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/* Sanity check for message response */
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if (hdr->seq != info->seq) {
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dev_dbg(info->dev, "%s: Message for %d is not expected\n",
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__func__, hdr->seq);
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return ret;
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}
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if (msg->len > info->desc->max_msg_size) {
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dev_err(info->dev, "%s: Unable to handle %zu xfer (max %d)\n",
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__func__, msg->len, info->desc->max_msg_size);
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return -EINVAL;
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}
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if (msg->len < xfer->rx_len) {
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dev_err(info->dev, "%s: Recv xfer %zu < expected %d length\n",
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__func__, msg->len, xfer->rx_len);
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}
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return ret;
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}
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/**
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* ti_sci_do_xfer() - Do one transfer
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* @info: Pointer to SCI entity information
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* @xfer: Transfer to initiate and wait for response
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*
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* Return: 0 if all went fine, else return appropriate error.
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*/
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static inline int ti_sci_do_xfer(struct ti_sci_info *info,
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struct ti_sci_xfer *xfer)
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{
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struct k3_sec_proxy_msg *msg = &xfer->tx_message;
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u8 secure_buf[info->desc->max_msg_size];
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struct ti_sci_secure_msg_hdr secure_hdr;
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int ret;
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if (info->is_secure) {
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/* ToDo: get checksum of the entire message */
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secure_hdr.checksum = 0;
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secure_hdr.reserved = 0;
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memcpy(&secure_buf[sizeof(secure_hdr)], xfer->tx_message.buf,
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xfer->tx_message.len);
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xfer->tx_message.buf = (u32 *)secure_buf;
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xfer->tx_message.len += sizeof(secure_hdr);
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if (xfer->rx_len)
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xfer->rx_len += sizeof(secure_hdr);
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}
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/* Send the message */
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ret = mbox_send(&info->chan_tx, msg);
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if (ret) {
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dev_err(info->dev, "%s: Message sending failed. ret = %d\n",
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__func__, ret);
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return ret;
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}
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/* Get response if requested */
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if (xfer->rx_len)
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ret = ti_sci_get_response(info, xfer, &info->chan_rx);
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return ret;
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}
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/**
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* ti_sci_cmd_get_revision() - command to get the revision of the SCI entity
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* @handle: pointer to TI SCI handle
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*
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* Updates the SCI information in the internal data structure.
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*
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* Return: 0 if all went fine, else return appropriate error.
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*/
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static int ti_sci_cmd_get_revision(struct ti_sci_handle *handle)
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{
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struct ti_sci_msg_resp_version *rev_info;
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struct ti_sci_version_info *ver;
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struct ti_sci_msg_hdr hdr;
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struct ti_sci_info *info;
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struct ti_sci_xfer *xfer;
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int ret;
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if (IS_ERR(handle))
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return PTR_ERR(handle);
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if (!handle)
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return -EINVAL;
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info = handle_to_ti_sci_info(handle);
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xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_VERSION,
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TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
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(u32 *)&hdr, sizeof(struct ti_sci_msg_hdr),
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sizeof(*rev_info));
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if (IS_ERR(xfer)) {
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ret = PTR_ERR(xfer);
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dev_err(info->dev, "Message alloc failed(%d)\n", ret);
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return ret;
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}
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ret = ti_sci_do_xfer(info, xfer);
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if (ret) {
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dev_err(info->dev, "Mbox communication fail %d\n", ret);
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return ret;
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}
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rev_info = (struct ti_sci_msg_resp_version *)xfer->tx_message.buf;
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ver = &handle->version;
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ver->abi_major = rev_info->abi_major;
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ver->abi_minor = rev_info->abi_minor;
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ver->firmware_revision = rev_info->firmware_revision;
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strncpy(ver->firmware_description, rev_info->firmware_description,
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sizeof(ver->firmware_description));
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return 0;
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}
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/**
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* ti_sci_is_response_ack() - Generic ACK/NACK message checkup
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* @r: pointer to response buffer
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*
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* Return: true if the response was an ACK, else returns false.
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*/
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static inline bool ti_sci_is_response_ack(void *r)
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{
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struct ti_sci_msg_hdr *hdr = r;
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return hdr->flags & TI_SCI_FLAG_RESP_GENERIC_ACK ? true : false;
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}
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/**
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* cmd_set_board_config_using_msg() - Common command to send board configuration
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* message
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* @handle: pointer to TI SCI handle
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* @msg_type: One of the TISCI message types to set board configuration
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* @addr: Address where the board config structure is located
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* @size: Size of the board config structure
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*
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* Return: 0 if all went well, else returns appropriate error value.
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*/
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static int cmd_set_board_config_using_msg(const struct ti_sci_handle *handle,
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u16 msg_type, u64 addr, u32 size)
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{
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struct ti_sci_msg_board_config req;
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struct ti_sci_msg_hdr *resp;
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struct ti_sci_info *info;
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struct ti_sci_xfer *xfer;
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int ret = 0;
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if (IS_ERR(handle))
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return PTR_ERR(handle);
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if (!handle)
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return -EINVAL;
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info = handle_to_ti_sci_info(handle);
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xfer = ti_sci_setup_one_xfer(info, msg_type,
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TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
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(u32 *)&req, sizeof(req), sizeof(*resp));
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if (IS_ERR(xfer)) {
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ret = PTR_ERR(xfer);
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dev_err(info->dev, "Message alloc failed(%d)\n", ret);
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return ret;
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}
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req.boardcfgp_high = (addr >> 32) & 0xffffffff;
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req.boardcfgp_low = addr & 0xffffffff;
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req.boardcfg_size = size;
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ret = ti_sci_do_xfer(info, xfer);
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if (ret) {
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dev_err(info->dev, "Mbox send fail %d\n", ret);
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return ret;
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}
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resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
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if (!ti_sci_is_response_ack(resp))
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return -ENODEV;
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return ret;
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}
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/**
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* ti_sci_cmd_set_board_config() - Command to send board configuration message
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* @handle: pointer to TI SCI handle
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* @addr: Address where the board config structure is located
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* @size: Size of the board config structure
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*
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* Return: 0 if all went well, else returns appropriate error value.
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*/
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static int ti_sci_cmd_set_board_config(const struct ti_sci_handle *handle,
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u64 addr, u32 size)
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{
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return cmd_set_board_config_using_msg(handle,
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TI_SCI_MSG_BOARD_CONFIG,
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addr, size);
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}
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/**
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* ti_sci_cmd_set_board_config_rm() - Command to send board resource
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* management configuration
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* @handle: pointer to TI SCI handle
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* @addr: Address where the board RM config structure is located
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* @size: Size of the RM config structure
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*
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* Return: 0 if all went well, else returns appropriate error value.
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*/
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static
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int ti_sci_cmd_set_board_config_rm(const struct ti_sci_handle *handle,
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u64 addr, u32 size)
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{
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return cmd_set_board_config_using_msg(handle,
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TI_SCI_MSG_BOARD_CONFIG_RM,
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addr, size);
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}
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/**
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* ti_sci_cmd_set_board_config_security() - Command to send board security
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* configuration message
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* @handle: pointer to TI SCI handle
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* @addr: Address where the board security config structure is located
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* @size: Size of the security config structure
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*
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* Return: 0 if all went well, else returns appropriate error value.
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*/
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static
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int ti_sci_cmd_set_board_config_security(const struct ti_sci_handle *handle,
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u64 addr, u32 size)
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{
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return cmd_set_board_config_using_msg(handle,
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TI_SCI_MSG_BOARD_CONFIG_SECURITY,
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addr, size);
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}
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/**
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* ti_sci_cmd_set_board_config_pm() - Command to send board power and clock
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* configuration message
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* @handle: pointer to TI SCI handle
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* @addr: Address where the board PM config structure is located
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* @size: Size of the PM config structure
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*
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* Return: 0 if all went well, else returns appropriate error value.
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*/
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static int ti_sci_cmd_set_board_config_pm(const struct ti_sci_handle *handle,
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u64 addr, u32 size)
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{
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return cmd_set_board_config_using_msg(handle,
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TI_SCI_MSG_BOARD_CONFIG_PM,
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addr, size);
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}
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static struct ti_sci_exclusive_dev
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*ti_sci_get_exclusive_dev(struct list_head *dev_list, u32 id)
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{
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struct ti_sci_exclusive_dev *dev;
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list_for_each_entry(dev, dev_list, list)
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if (dev->id == id)
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return dev;
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return NULL;
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}
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static void ti_sci_add_exclusive_dev(struct ti_sci_info *info, u32 id)
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{
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struct ti_sci_exclusive_dev *dev;
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dev = ti_sci_get_exclusive_dev(&info->dev_list, id);
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if (dev) {
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dev->count++;
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return;
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}
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dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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dev->id = id;
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dev->count = 1;
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INIT_LIST_HEAD(&dev->list);
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list_add_tail(&dev->list, &info->dev_list);
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}
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static void ti_sci_delete_exclusive_dev(struct ti_sci_info *info, u32 id)
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{
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struct ti_sci_exclusive_dev *dev;
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dev = ti_sci_get_exclusive_dev(&info->dev_list, id);
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if (!dev)
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return;
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if (dev->count > 0)
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dev->count--;
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}
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/**
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* ti_sci_set_device_state() - Set device state helper
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* @handle: pointer to TI SCI handle
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* @id: Device identifier
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* @flags: flags to setup for the device
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* @state: State to move the device to
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*
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* Return: 0 if all went well, else returns appropriate error value.
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*/
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static int ti_sci_set_device_state(const struct ti_sci_handle *handle,
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u32 id, u32 flags, u8 state)
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{
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struct ti_sci_msg_req_set_device_state req;
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struct ti_sci_msg_hdr *resp;
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struct ti_sci_info *info;
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struct ti_sci_xfer *xfer;
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int ret = 0;
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if (IS_ERR(handle))
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return PTR_ERR(handle);
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if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_DEVICE_STATE,
|
|
flags | TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.id = id;
|
|
req.state = state;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
if (state == MSG_DEVICE_SW_STATE_AUTO_OFF)
|
|
ti_sci_delete_exclusive_dev(info, id);
|
|
else if (flags & MSG_FLAG_DEVICE_EXCLUSIVE)
|
|
ti_sci_add_exclusive_dev(info, id);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_set_device_state_no_wait() - Set device state helper without
|
|
* requesting or waiting for a response.
|
|
* @handle: pointer to TI SCI handle
|
|
* @id: Device identifier
|
|
* @flags: flags to setup for the device
|
|
* @state: State to move the device to
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_set_device_state_no_wait(const struct ti_sci_handle *handle,
|
|
u32 id, u32 flags, u8 state)
|
|
{
|
|
struct ti_sci_msg_req_set_device_state req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_DEVICE_STATE,
|
|
flags | TI_SCI_FLAG_REQ_GENERIC_NORESPONSE,
|
|
(u32 *)&req, sizeof(req), 0);
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.id = id;
|
|
req.state = state;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret)
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_get_device_state() - Get device state helper
|
|
* @handle: Handle to the device
|
|
* @id: Device Identifier
|
|
* @clcnt: Pointer to Context Loss Count
|
|
* @resets: pointer to resets
|
|
* @p_state: pointer to p_state
|
|
* @c_state: pointer to c_state
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_get_device_state(const struct ti_sci_handle *handle,
|
|
u32 id, u32 *clcnt, u32 *resets,
|
|
u8 *p_state, u8 *c_state)
|
|
{
|
|
struct ti_sci_msg_resp_get_device_state *resp;
|
|
struct ti_sci_msg_req_get_device_state req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
if (!clcnt && !resets && !p_state && !c_state)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_DEVICE_STATE,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.id = id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_device_state *)xfer->tx_message.buf;
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
if (clcnt)
|
|
*clcnt = resp->context_loss_count;
|
|
if (resets)
|
|
*resets = resp->resets;
|
|
if (p_state)
|
|
*p_state = resp->programmed_state;
|
|
if (c_state)
|
|
*c_state = resp->current_state;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_device() - command to request for device managed by TISCI
|
|
* @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle
|
|
* @id: Device Identifier
|
|
*
|
|
* Request for the device - NOTE: the client MUST maintain integrity of
|
|
* usage count by balancing get_device with put_device. No refcounting is
|
|
* managed by driver for that purpose.
|
|
*
|
|
* NOTE: The request is for exclusive access for the processor.
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_get_device(const struct ti_sci_handle *handle, u32 id)
|
|
{
|
|
return ti_sci_set_device_state(handle, id, 0,
|
|
MSG_DEVICE_SW_STATE_ON);
|
|
}
|
|
|
|
static int ti_sci_cmd_get_device_exclusive(const struct ti_sci_handle *handle,
|
|
u32 id)
|
|
{
|
|
return ti_sci_set_device_state(handle, id, MSG_FLAG_DEVICE_EXCLUSIVE,
|
|
MSG_DEVICE_SW_STATE_ON);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_idle_device() - Command to idle a device managed by TISCI
|
|
* @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle
|
|
* @id: Device Identifier
|
|
*
|
|
* Request for the device - NOTE: the client MUST maintain integrity of
|
|
* usage count by balancing get_device with put_device. No refcounting is
|
|
* managed by driver for that purpose.
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_idle_device(const struct ti_sci_handle *handle, u32 id)
|
|
{
|
|
return ti_sci_set_device_state(handle, id,
|
|
0,
|
|
MSG_DEVICE_SW_STATE_RETENTION);
|
|
}
|
|
|
|
static int ti_sci_cmd_idle_device_exclusive(const struct ti_sci_handle *handle,
|
|
u32 id)
|
|
{
|
|
return ti_sci_set_device_state(handle, id, MSG_FLAG_DEVICE_EXCLUSIVE,
|
|
MSG_DEVICE_SW_STATE_RETENTION);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_put_device() - command to release a device managed by TISCI
|
|
* @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle
|
|
* @id: Device Identifier
|
|
*
|
|
* Request for the device - NOTE: the client MUST maintain integrity of
|
|
* usage count by balancing get_device with put_device. No refcounting is
|
|
* managed by driver for that purpose.
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_put_device(const struct ti_sci_handle *handle, u32 id)
|
|
{
|
|
return ti_sci_set_device_state(handle, id, 0,
|
|
MSG_DEVICE_SW_STATE_AUTO_OFF);
|
|
}
|
|
|
|
static
|
|
int ti_sci_cmd_release_exclusive_devices(const struct ti_sci_handle *handle)
|
|
{
|
|
struct ti_sci_exclusive_dev *dev, *tmp;
|
|
struct ti_sci_info *info;
|
|
int i, cnt;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
list_for_each_entry_safe(dev, tmp, &info->dev_list, list) {
|
|
cnt = dev->count;
|
|
debug("%s: id = %d, cnt = %d\n", __func__, dev->id, cnt);
|
|
for (i = 0; i < cnt; i++)
|
|
ti_sci_cmd_put_device(handle, dev->id);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_dev_is_valid() - Is the device valid
|
|
* @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle
|
|
* @id: Device Identifier
|
|
*
|
|
* Return: 0 if all went fine and the device ID is valid, else return
|
|
* appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_dev_is_valid(const struct ti_sci_handle *handle, u32 id)
|
|
{
|
|
u8 unused;
|
|
|
|
/* check the device state which will also tell us if the ID is valid */
|
|
return ti_sci_get_device_state(handle, id, NULL, NULL, NULL, &unused);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_dev_get_clcnt() - Get context loss counter
|
|
* @handle: Pointer to TISCI handle
|
|
* @id: Device Identifier
|
|
* @count: Pointer to Context Loss counter to populate
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_dev_get_clcnt(const struct ti_sci_handle *handle, u32 id,
|
|
u32 *count)
|
|
{
|
|
return ti_sci_get_device_state(handle, id, count, NULL, NULL, NULL);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_dev_is_idle() - Check if the device is requested to be idle
|
|
* @handle: Pointer to TISCI handle
|
|
* @id: Device Identifier
|
|
* @r_state: true if requested to be idle
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_dev_is_idle(const struct ti_sci_handle *handle, u32 id,
|
|
bool *r_state)
|
|
{
|
|
int ret;
|
|
u8 state;
|
|
|
|
if (!r_state)
|
|
return -EINVAL;
|
|
|
|
ret = ti_sci_get_device_state(handle, id, NULL, NULL, &state, NULL);
|
|
if (ret)
|
|
return ret;
|
|
|
|
*r_state = (state == MSG_DEVICE_SW_STATE_RETENTION);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_dev_is_stop() - Check if the device is requested to be stopped
|
|
* @handle: Pointer to TISCI handle
|
|
* @id: Device Identifier
|
|
* @r_state: true if requested to be stopped
|
|
* @curr_state: true if currently stopped.
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_dev_is_stop(const struct ti_sci_handle *handle, u32 id,
|
|
bool *r_state, bool *curr_state)
|
|
{
|
|
int ret;
|
|
u8 p_state, c_state;
|
|
|
|
if (!r_state && !curr_state)
|
|
return -EINVAL;
|
|
|
|
ret =
|
|
ti_sci_get_device_state(handle, id, NULL, NULL, &p_state, &c_state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (r_state)
|
|
*r_state = (p_state == MSG_DEVICE_SW_STATE_AUTO_OFF);
|
|
if (curr_state)
|
|
*curr_state = (c_state == MSG_DEVICE_HW_STATE_OFF);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_dev_is_on() - Check if the device is requested to be ON
|
|
* @handle: Pointer to TISCI handle
|
|
* @id: Device Identifier
|
|
* @r_state: true if requested to be ON
|
|
* @curr_state: true if currently ON and active
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_dev_is_on(const struct ti_sci_handle *handle, u32 id,
|
|
bool *r_state, bool *curr_state)
|
|
{
|
|
int ret;
|
|
u8 p_state, c_state;
|
|
|
|
if (!r_state && !curr_state)
|
|
return -EINVAL;
|
|
|
|
ret =
|
|
ti_sci_get_device_state(handle, id, NULL, NULL, &p_state, &c_state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (r_state)
|
|
*r_state = (p_state == MSG_DEVICE_SW_STATE_ON);
|
|
if (curr_state)
|
|
*curr_state = (c_state == MSG_DEVICE_HW_STATE_ON);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_dev_is_trans() - Check if the device is currently transitioning
|
|
* @handle: Pointer to TISCI handle
|
|
* @id: Device Identifier
|
|
* @curr_state: true if currently transitioning.
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_dev_is_trans(const struct ti_sci_handle *handle, u32 id,
|
|
bool *curr_state)
|
|
{
|
|
int ret;
|
|
u8 state;
|
|
|
|
if (!curr_state)
|
|
return -EINVAL;
|
|
|
|
ret = ti_sci_get_device_state(handle, id, NULL, NULL, NULL, &state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
*curr_state = (state == MSG_DEVICE_HW_STATE_TRANS);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_set_device_resets() - command to set resets for device managed
|
|
* by TISCI
|
|
* @handle: Pointer to TISCI handle as retrieved by *ti_sci_get_handle
|
|
* @id: Device Identifier
|
|
* @reset_state: Device specific reset bit field
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_set_device_resets(const struct ti_sci_handle *handle,
|
|
u32 id, u32 reset_state)
|
|
{
|
|
struct ti_sci_msg_req_set_device_resets req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_DEVICE_RESETS,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.id = id;
|
|
req.resets = reset_state;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_device_resets() - Get reset state for device managed
|
|
* by TISCI
|
|
* @handle: Pointer to TISCI handle
|
|
* @id: Device Identifier
|
|
* @reset_state: Pointer to reset state to populate
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_get_device_resets(const struct ti_sci_handle *handle,
|
|
u32 id, u32 *reset_state)
|
|
{
|
|
return ti_sci_get_device_state(handle, id, NULL, reset_state, NULL,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_set_clock_state() - Set clock state helper
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @flags: Header flags as needed
|
|
* @state: State to request for the clock.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_set_clock_state(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id,
|
|
u32 flags, u8 state)
|
|
{
|
|
struct ti_sci_msg_req_set_clock_state req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_CLOCK_STATE,
|
|
flags | TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
req.request_state = state;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_clock_state() - Get clock state helper
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @programmed_state: State requested for clock to move to
|
|
* @current_state: State that the clock is currently in
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_get_clock_state(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id,
|
|
u8 *programmed_state, u8 *current_state)
|
|
{
|
|
struct ti_sci_msg_resp_get_clock_state *resp;
|
|
struct ti_sci_msg_req_get_clock_state req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
if (!programmed_state && !current_state)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_CLOCK_STATE,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_clock_state *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
if (programmed_state)
|
|
*programmed_state = resp->programmed_state;
|
|
if (current_state)
|
|
*current_state = resp->current_state;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_clock() - Get control of a clock from TI SCI
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @needs_ssc: 'true' if Spread Spectrum clock is desired, else 'false'
|
|
* @can_change_freq: 'true' if frequency change is desired, else 'false'
|
|
* @enable_input_term: 'true' if input termination is desired, else 'false'
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_get_clock(const struct ti_sci_handle *handle, u32 dev_id,
|
|
u8 clk_id, bool needs_ssc, bool can_change_freq,
|
|
bool enable_input_term)
|
|
{
|
|
u32 flags = 0;
|
|
|
|
flags |= needs_ssc ? MSG_FLAG_CLOCK_ALLOW_SSC : 0;
|
|
flags |= can_change_freq ? MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE : 0;
|
|
flags |= enable_input_term ? MSG_FLAG_CLOCK_INPUT_TERM : 0;
|
|
|
|
return ti_sci_set_clock_state(handle, dev_id, clk_id, flags,
|
|
MSG_CLOCK_SW_STATE_REQ);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_idle_clock() - Idle a clock which is in our control
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
*
|
|
* NOTE: This clock must have been requested by get_clock previously.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id)
|
|
{
|
|
return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
|
|
MSG_CLOCK_SW_STATE_UNREQ);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_put_clock() - Release a clock from our control back to TISCI
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
*
|
|
* NOTE: This clock must have been requested by get_clock previously.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id)
|
|
{
|
|
return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
|
|
MSG_CLOCK_SW_STATE_AUTO);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_is_auto() - Is the clock being auto managed
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @req_state: state indicating if the clock is auto managed
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_is_auto(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id, bool *req_state)
|
|
{
|
|
u8 state = 0;
|
|
int ret;
|
|
|
|
if (!req_state)
|
|
return -EINVAL;
|
|
|
|
ret = ti_sci_cmd_get_clock_state(handle, dev_id, clk_id, &state, NULL);
|
|
if (ret)
|
|
return ret;
|
|
|
|
*req_state = (state == MSG_CLOCK_SW_STATE_AUTO);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_is_on() - Is the clock ON
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @req_state: state indicating if the clock is managed by us and enabled
|
|
* @curr_state: state indicating if the clock is ready for operation
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_is_on(const struct ti_sci_handle *handle, u32 dev_id,
|
|
u8 clk_id, bool *req_state, bool *curr_state)
|
|
{
|
|
u8 c_state = 0, r_state = 0;
|
|
int ret;
|
|
|
|
if (!req_state && !curr_state)
|
|
return -EINVAL;
|
|
|
|
ret = ti_sci_cmd_get_clock_state(handle, dev_id, clk_id,
|
|
&r_state, &c_state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (req_state)
|
|
*req_state = (r_state == MSG_CLOCK_SW_STATE_REQ);
|
|
if (curr_state)
|
|
*curr_state = (c_state == MSG_CLOCK_HW_STATE_READY);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_is_off() - Is the clock OFF
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @req_state: state indicating if the clock is managed by us and disabled
|
|
* @curr_state: state indicating if the clock is NOT ready for operation
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_is_off(const struct ti_sci_handle *handle, u32 dev_id,
|
|
u8 clk_id, bool *req_state, bool *curr_state)
|
|
{
|
|
u8 c_state = 0, r_state = 0;
|
|
int ret;
|
|
|
|
if (!req_state && !curr_state)
|
|
return -EINVAL;
|
|
|
|
ret = ti_sci_cmd_get_clock_state(handle, dev_id, clk_id,
|
|
&r_state, &c_state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (req_state)
|
|
*req_state = (r_state == MSG_CLOCK_SW_STATE_UNREQ);
|
|
if (curr_state)
|
|
*curr_state = (c_state == MSG_CLOCK_HW_STATE_NOT_READY);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_set_parent() - Set the clock source of a specific device clock
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @parent_id: Parent clock identifier to set
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_set_parent(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id, u8 parent_id)
|
|
{
|
|
struct ti_sci_msg_req_set_clock_parent req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_CLOCK_PARENT,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
req.parent_id = parent_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_get_parent() - Get current parent clock source
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @parent_id: Current clock parent
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_get_parent(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id, u8 *parent_id)
|
|
{
|
|
struct ti_sci_msg_resp_get_clock_parent *resp;
|
|
struct ti_sci_msg_req_get_clock_parent req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle || !parent_id)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_CLOCK_PARENT,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_clock_parent *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
else
|
|
*parent_id = resp->parent_id;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_get_num_parents() - Get num parents of the current clk source
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @num_parents: Returns he number of parents to the current clock.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_get_num_parents(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id,
|
|
u8 *num_parents)
|
|
{
|
|
struct ti_sci_msg_resp_get_clock_num_parents *resp;
|
|
struct ti_sci_msg_req_get_clock_num_parents req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle || !num_parents)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_NUM_CLOCK_PARENTS,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_clock_num_parents *)
|
|
xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
else
|
|
*num_parents = resp->num_parents;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_get_match_freq() - Find a good match for frequency
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @min_freq: The minimum allowable frequency in Hz. This is the minimum
|
|
* allowable programmed frequency and does not account for clock
|
|
* tolerances and jitter.
|
|
* @target_freq: The target clock frequency in Hz. A frequency will be
|
|
* processed as close to this target frequency as possible.
|
|
* @max_freq: The maximum allowable frequency in Hz. This is the maximum
|
|
* allowable programmed frequency and does not account for clock
|
|
* tolerances and jitter.
|
|
* @match_freq: Frequency match in Hz response.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_get_match_freq(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id, u64 min_freq,
|
|
u64 target_freq, u64 max_freq,
|
|
u64 *match_freq)
|
|
{
|
|
struct ti_sci_msg_resp_query_clock_freq *resp;
|
|
struct ti_sci_msg_req_query_clock_freq req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle || !match_freq)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_QUERY_CLOCK_FREQ,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
req.min_freq_hz = min_freq;
|
|
req.target_freq_hz = target_freq;
|
|
req.max_freq_hz = max_freq;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_query_clock_freq *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
else
|
|
*match_freq = resp->freq_hz;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_set_freq() - Set a frequency for clock
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @min_freq: The minimum allowable frequency in Hz. This is the minimum
|
|
* allowable programmed frequency and does not account for clock
|
|
* tolerances and jitter.
|
|
* @target_freq: The target clock frequency in Hz. A frequency will be
|
|
* processed as close to this target frequency as possible.
|
|
* @max_freq: The maximum allowable frequency in Hz. This is the maximum
|
|
* allowable programmed frequency and does not account for clock
|
|
* tolerances and jitter.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_set_freq(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id, u64 min_freq,
|
|
u64 target_freq, u64 max_freq)
|
|
{
|
|
struct ti_sci_msg_req_set_clock_freq req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_CLOCK_FREQ,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
req.min_freq_hz = min_freq;
|
|
req.target_freq_hz = target_freq;
|
|
req.max_freq_hz = max_freq;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_clk_get_freq() - Get current frequency
|
|
* @handle: pointer to TI SCI handle
|
|
* @dev_id: Device identifier this request is for
|
|
* @clk_id: Clock identifier for the device for this request.
|
|
* Each device has it's own set of clock inputs. This indexes
|
|
* which clock input to modify.
|
|
* @freq: Currently frequency in Hz
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_clk_get_freq(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 clk_id, u64 *freq)
|
|
{
|
|
struct ti_sci_msg_resp_get_clock_freq *resp;
|
|
struct ti_sci_msg_req_get_clock_freq req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle || !freq)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_CLOCK_FREQ,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.dev_id = dev_id;
|
|
req.clk_id = clk_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_clock_freq *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
else
|
|
*freq = resp->freq_hz;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_core_reboot() - Command to request system reset
|
|
* @handle: pointer to TI SCI handle
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_core_reboot(const struct ti_sci_handle *handle)
|
|
{
|
|
struct ti_sci_msg_req_reboot req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SYS_RESET,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ti_sci_get_resource_type(struct ti_sci_info *info, u16 dev_id,
|
|
u16 *type)
|
|
{
|
|
struct ti_sci_rm_type_map *rm_type_map = info->desc->rm_type_map;
|
|
bool found = false;
|
|
int i;
|
|
|
|
/* If map is not provided then assume dev_id is used as type */
|
|
if (!rm_type_map) {
|
|
*type = dev_id;
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; rm_type_map[i].dev_id; i++) {
|
|
if (rm_type_map[i].dev_id == dev_id) {
|
|
*type = rm_type_map[i].type;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_get_resource_range - Helper to get a range of resources assigned
|
|
* to a host. Resource is uniquely identified by
|
|
* type and subtype.
|
|
* @handle: Pointer to TISCI handle.
|
|
* @dev_id: TISCI device ID.
|
|
* @subtype: Resource assignment subtype that is being requested
|
|
* from the given device.
|
|
* @s_host: Host processor ID to which the resources are allocated
|
|
* @range_start: Start index of the resource range
|
|
* @range_num: Number of resources in the range
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_get_resource_range(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 subtype, u8 s_host,
|
|
u16 *range_start, u16 *range_num)
|
|
{
|
|
struct ti_sci_msg_resp_get_resource_range *resp;
|
|
struct ti_sci_msg_req_get_resource_range req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
u16 type;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_RESOURCE_RANGE,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ti_sci_get_resource_type(info, dev_id, &type);
|
|
if (ret) {
|
|
dev_err(dev, "rm type lookup failed for %u\n", dev_id);
|
|
goto fail;
|
|
}
|
|
|
|
req.secondary_host = s_host;
|
|
req.type = type & MSG_RM_RESOURCE_TYPE_MASK;
|
|
req.subtype = subtype & MSG_RM_RESOURCE_SUBTYPE_MASK;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(dev, "Mbox send fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_resource_range *)xfer->tx_message.buf;
|
|
if (!ti_sci_is_response_ack(resp)) {
|
|
ret = -ENODEV;
|
|
} else if (!resp->range_start && !resp->range_num) {
|
|
ret = -ENODEV;
|
|
} else {
|
|
*range_start = resp->range_start;
|
|
*range_num = resp->range_num;
|
|
};
|
|
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_resource_range - Get a range of resources assigned to host
|
|
* that is same as ti sci interface host.
|
|
* @handle: Pointer to TISCI handle.
|
|
* @dev_id: TISCI device ID.
|
|
* @subtype: Resource assignment subtype that is being requested
|
|
* from the given device.
|
|
* @range_start: Start index of the resource range
|
|
* @range_num: Number of resources in the range
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static int ti_sci_cmd_get_resource_range(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 subtype,
|
|
u16 *range_start, u16 *range_num)
|
|
{
|
|
return ti_sci_get_resource_range(handle, dev_id, subtype,
|
|
TI_SCI_IRQ_SECONDARY_HOST_INVALID,
|
|
range_start, range_num);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_resource_range_from_shost - Get a range of resources
|
|
* assigned to a specified host.
|
|
* @handle: Pointer to TISCI handle.
|
|
* @dev_id: TISCI device ID.
|
|
* @subtype: Resource assignment subtype that is being requested
|
|
* from the given device.
|
|
* @s_host: Host processor ID to which the resources are allocated
|
|
* @range_start: Start index of the resource range
|
|
* @range_num: Number of resources in the range
|
|
*
|
|
* Return: 0 if all went fine, else return appropriate error.
|
|
*/
|
|
static
|
|
int ti_sci_cmd_get_resource_range_from_shost(const struct ti_sci_handle *handle,
|
|
u32 dev_id, u8 subtype, u8 s_host,
|
|
u16 *range_start, u16 *range_num)
|
|
{
|
|
return ti_sci_get_resource_range(handle, dev_id, subtype, s_host,
|
|
range_start, range_num);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_query_msmc() - Command to query currently available msmc memory
|
|
* @handle: pointer to TI SCI handle
|
|
* @msms_start: MSMC start as returned by tisci
|
|
* @msmc_end: MSMC end as returned by tisci
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_query_msmc(const struct ti_sci_handle *handle,
|
|
u64 *msmc_start, u64 *msmc_end)
|
|
{
|
|
struct ti_sci_msg_resp_query_msmc *resp;
|
|
struct ti_sci_msg_hdr req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_QUERY_MSMC,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_query_msmc *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
*msmc_start = ((u64)resp->msmc_start_high << TISCI_ADDR_HIGH_SHIFT) |
|
|
resp->msmc_start_low;
|
|
*msmc_end = ((u64)resp->msmc_end_high << TISCI_ADDR_HIGH_SHIFT) |
|
|
resp->msmc_end_low;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_proc_request() - Command to request a physical processor control
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_proc_request(const struct ti_sci_handle *handle,
|
|
u8 proc_id)
|
|
{
|
|
struct ti_sci_msg_req_proc_request req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_PROC_REQUEST,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_proc_release() - Command to release a physical processor control
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_proc_release(const struct ti_sci_handle *handle,
|
|
u8 proc_id)
|
|
{
|
|
struct ti_sci_msg_req_proc_release req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_PROC_RELEASE,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_proc_handover() - Command to handover a physical processor
|
|
* control to a host in the processor's access
|
|
* control list.
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
* @host_id: Host ID to get the control of the processor
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_proc_handover(const struct ti_sci_handle *handle,
|
|
u8 proc_id, u8 host_id)
|
|
{
|
|
struct ti_sci_msg_req_proc_handover req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_PROC_HANDOVER,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
req.host_id = host_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_set_proc_boot_cfg() - Command to set the processor boot
|
|
* configuration flags
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
* @config_flags_set: Configuration flags to be set
|
|
* @config_flags_clear: Configuration flags to be cleared.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_set_proc_boot_cfg(const struct ti_sci_handle *handle,
|
|
u8 proc_id, u64 bootvector,
|
|
u32 config_flags_set,
|
|
u32 config_flags_clear)
|
|
{
|
|
struct ti_sci_msg_req_set_proc_boot_config req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_SET_PROC_BOOT_CONFIG,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
req.bootvector_low = bootvector & TISCI_ADDR_LOW_MASK;
|
|
req.bootvector_high = (bootvector & TISCI_ADDR_HIGH_MASK) >>
|
|
TISCI_ADDR_HIGH_SHIFT;
|
|
req.config_flags_set = config_flags_set;
|
|
req.config_flags_clear = config_flags_clear;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_set_proc_boot_ctrl() - Command to set the processor boot
|
|
* control flags
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
* @control_flags_set: Control flags to be set
|
|
* @control_flags_clear: Control flags to be cleared
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_set_proc_boot_ctrl(const struct ti_sci_handle *handle,
|
|
u8 proc_id, u32 control_flags_set,
|
|
u32 control_flags_clear)
|
|
{
|
|
struct ti_sci_msg_req_set_proc_boot_ctrl req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_SET_PROC_BOOT_CTRL,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
req.control_flags_set = control_flags_set;
|
|
req.control_flags_clear = control_flags_clear;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
ret = -ENODEV;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_proc_auth_boot_image() - Command to authenticate and load the
|
|
* image and then set the processor configuration flags.
|
|
* @handle: Pointer to TI SCI handle
|
|
* @image_addr: Memory address at which payload image and certificate is
|
|
* located in memory, this is updated if the image data is
|
|
* moved during authentication.
|
|
* @image_size: This is updated with the final size of the image after
|
|
* authentication.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_proc_auth_boot_image(const struct ti_sci_handle *handle,
|
|
u64 *image_addr, u32 *image_size)
|
|
{
|
|
struct ti_sci_msg_req_proc_auth_boot_image req;
|
|
struct ti_sci_msg_resp_proc_auth_boot_image *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_PROC_AUTH_BOOT_IMIAGE,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.cert_addr_low = *image_addr & TISCI_ADDR_LOW_MASK;
|
|
req.cert_addr_high = (*image_addr & TISCI_ADDR_HIGH_MASK) >>
|
|
TISCI_ADDR_HIGH_SHIFT;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_proc_auth_boot_image *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
*image_addr = (resp->image_addr_low & TISCI_ADDR_LOW_MASK) |
|
|
(((u64)resp->image_addr_high <<
|
|
TISCI_ADDR_HIGH_SHIFT) & TISCI_ADDR_HIGH_MASK);
|
|
*image_size = resp->image_size;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_proc_boot_status() - Command to get the processor boot status
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_get_proc_boot_status(const struct ti_sci_handle *handle,
|
|
u8 proc_id, u64 *bv, u32 *cfg_flags,
|
|
u32 *ctrl_flags, u32 *sts_flags)
|
|
{
|
|
struct ti_sci_msg_resp_get_proc_boot_status *resp;
|
|
struct ti_sci_msg_req_get_proc_boot_status req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_GET_PROC_BOOT_STATUS,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_resp_get_proc_boot_status *)
|
|
xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
*bv = (resp->bootvector_low & TISCI_ADDR_LOW_MASK) |
|
|
(((u64)resp->bootvector_high <<
|
|
TISCI_ADDR_HIGH_SHIFT) & TISCI_ADDR_HIGH_MASK);
|
|
*cfg_flags = resp->config_flags;
|
|
*ctrl_flags = resp->control_flags;
|
|
*sts_flags = resp->status_flags;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_proc_wait_boot_status_no_wait() - Helper function to wait for a
|
|
* processor boot status without requesting or
|
|
* waiting for a response.
|
|
* @proc_id: Processor ID this request is for
|
|
* @num_wait_iterations: Total number of iterations we will check before
|
|
* we will timeout and give up
|
|
* @num_match_iterations: How many iterations should we have continued
|
|
* status to account for status bits glitching.
|
|
* This is to make sure that match occurs for
|
|
* consecutive checks. This implies that the
|
|
* worst case should consider that the stable
|
|
* time should at the worst be num_wait_iterations
|
|
* num_match_iterations to prevent timeout.
|
|
* @delay_per_iteration_us: Specifies how long to wait (in micro seconds)
|
|
* between each status checks. This is the minimum
|
|
* duration, and overhead of register reads and
|
|
* checks are on top of this and can vary based on
|
|
* varied conditions.
|
|
* @delay_before_iterations_us: Specifies how long to wait (in micro seconds)
|
|
* before the very first check in the first
|
|
* iteration of status check loop. This is the
|
|
* minimum duration, and overhead of register
|
|
* reads and checks are.
|
|
* @status_flags_1_set_all_wait:If non-zero, Specifies that all bits of the
|
|
* status matching this field requested MUST be 1.
|
|
* @status_flags_1_set_any_wait:If non-zero, Specifies that at least one of the
|
|
* bits matching this field requested MUST be 1.
|
|
* @status_flags_1_clr_all_wait:If non-zero, Specifies that all bits of the
|
|
* status matching this field requested MUST be 0.
|
|
* @status_flags_1_clr_any_wait:If non-zero, Specifies that at least one of the
|
|
* bits matching this field requested MUST be 0.
|
|
*
|
|
* Return: 0 if all goes well, else appropriate error message
|
|
*/
|
|
static int
|
|
ti_sci_proc_wait_boot_status_no_wait(const struct ti_sci_handle *handle,
|
|
u8 proc_id,
|
|
u8 num_wait_iterations,
|
|
u8 num_match_iterations,
|
|
u8 delay_per_iteration_us,
|
|
u8 delay_before_iterations_us,
|
|
u32 status_flags_1_set_all_wait,
|
|
u32 status_flags_1_set_any_wait,
|
|
u32 status_flags_1_clr_all_wait,
|
|
u32 status_flags_1_clr_any_wait)
|
|
{
|
|
struct ti_sci_msg_req_wait_proc_boot_status req;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_WAIT_PROC_BOOT_STATUS,
|
|
TI_SCI_FLAG_REQ_GENERIC_NORESPONSE,
|
|
(u32 *)&req, sizeof(req), 0);
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.processor_id = proc_id;
|
|
req.num_wait_iterations = num_wait_iterations;
|
|
req.num_match_iterations = num_match_iterations;
|
|
req.delay_per_iteration_us = delay_per_iteration_us;
|
|
req.delay_before_iterations_us = delay_before_iterations_us;
|
|
req.status_flags_1_set_all_wait = status_flags_1_set_all_wait;
|
|
req.status_flags_1_set_any_wait = status_flags_1_set_any_wait;
|
|
req.status_flags_1_clr_all_wait = status_flags_1_clr_all_wait;
|
|
req.status_flags_1_clr_any_wait = status_flags_1_clr_any_wait;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret)
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_proc_shutdown_no_wait() - Command to shutdown a core without
|
|
* requesting or waiting for a response. Note that this API call
|
|
* should be followed by placing the respective processor into
|
|
* either WFE or WFI mode.
|
|
* @handle: Pointer to TI SCI handle
|
|
* @proc_id: Processor ID this request is for
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_proc_shutdown_no_wait(const struct ti_sci_handle *handle,
|
|
u8 proc_id)
|
|
{
|
|
int ret;
|
|
|
|
/*
|
|
* Send the core boot status wait message waiting for either WFE or
|
|
* WFI without requesting or waiting for a TISCI response with the
|
|
* maximum wait time to give us the best chance to get to the WFE/WFI
|
|
* command that should follow the invocation of this API before the
|
|
* DMSC-internal processing of this command times out. Note that
|
|
* waiting for the R5 WFE/WFI flags will also work on an ARMV8 type
|
|
* core as the related flag bit positions are the same.
|
|
*/
|
|
ret = ti_sci_proc_wait_boot_status_no_wait(handle, proc_id,
|
|
U8_MAX, 100, U8_MAX, U8_MAX,
|
|
0, PROC_BOOT_STATUS_FLAG_R5_WFE | PROC_BOOT_STATUS_FLAG_R5_WFI,
|
|
0, 0);
|
|
if (ret) {
|
|
dev_err(info->dev, "Sending core %u wait message fail %d\n",
|
|
proc_id, ret);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Release a processor managed by TISCI without requesting or waiting
|
|
* for a response.
|
|
*/
|
|
ret = ti_sci_set_device_state_no_wait(handle, proc_id, 0,
|
|
MSG_DEVICE_SW_STATE_AUTO_OFF);
|
|
if (ret)
|
|
dev_err(info->dev, "Sending core %u shutdown message fail %d\n",
|
|
proc_id, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_ring_config() - configure RA ring
|
|
* @handle: pointer to TI SCI handle
|
|
* @valid_params: Bitfield defining validity of ring configuration parameters.
|
|
* @nav_id: Device ID of Navigator Subsystem from which the ring is allocated
|
|
* @index: Ring index.
|
|
* @addr_lo: The ring base address lo 32 bits
|
|
* @addr_hi: The ring base address hi 32 bits
|
|
* @count: Number of ring elements.
|
|
* @mode: The mode of the ring
|
|
* @size: The ring element size.
|
|
* @order_id: Specifies the ring's bus order ID.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*
|
|
* See @ti_sci_msg_rm_ring_cfg_req for more info.
|
|
*/
|
|
static int ti_sci_cmd_ring_config(const struct ti_sci_handle *handle,
|
|
u32 valid_params, u16 nav_id, u16 index,
|
|
u32 addr_lo, u32 addr_hi, u32 count,
|
|
u8 mode, u8 size, u8 order_id)
|
|
{
|
|
struct ti_sci_msg_rm_ring_cfg_resp *resp;
|
|
struct ti_sci_msg_rm_ring_cfg_req req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_RM_RING_CFG,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "RM_RA:Message config failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.valid_params = valid_params;
|
|
req.nav_id = nav_id;
|
|
req.index = index;
|
|
req.addr_lo = addr_lo;
|
|
req.addr_hi = addr_hi;
|
|
req.count = count;
|
|
req.mode = mode;
|
|
req.size = size;
|
|
req.order_id = order_id;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "RM_RA:Mbox config send fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_rm_ring_cfg_resp *)xfer->tx_message.buf;
|
|
|
|
ret = ti_sci_is_response_ack(resp) ? 0 : -ENODEV;
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "RM_RA:config ring %u ret:%d\n", index, ret);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_ring_get_config() - get RA ring configuration
|
|
* @handle: pointer to TI SCI handle
|
|
* @nav_id: Device ID of Navigator Subsystem from which the ring is allocated
|
|
* @index: Ring index.
|
|
* @addr_lo: returns ring's base address lo 32 bits
|
|
* @addr_hi: returns ring's base address hi 32 bits
|
|
* @count: returns number of ring elements.
|
|
* @mode: returns mode of the ring
|
|
* @size: returns ring element size.
|
|
* @order_id: returns ring's bus order ID.
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*
|
|
* See @ti_sci_msg_rm_ring_get_cfg_req for more info.
|
|
*/
|
|
static int ti_sci_cmd_ring_get_config(const struct ti_sci_handle *handle,
|
|
u32 nav_id, u32 index, u8 *mode,
|
|
u32 *addr_lo, u32 *addr_hi,
|
|
u32 *count, u8 *size, u8 *order_id)
|
|
{
|
|
struct ti_sci_msg_rm_ring_get_cfg_resp *resp;
|
|
struct ti_sci_msg_rm_ring_get_cfg_req req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_RM_RING_GET_CFG,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev,
|
|
"RM_RA:Message get config failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.nav_id = nav_id;
|
|
req.index = index;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "RM_RA:Mbox get config send fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_rm_ring_get_cfg_resp *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp)) {
|
|
ret = -ENODEV;
|
|
} else {
|
|
if (mode)
|
|
*mode = resp->mode;
|
|
if (addr_lo)
|
|
*addr_lo = resp->addr_lo;
|
|
if (addr_hi)
|
|
*addr_hi = resp->addr_hi;
|
|
if (count)
|
|
*count = resp->count;
|
|
if (size)
|
|
*size = resp->size;
|
|
if (order_id)
|
|
*order_id = resp->order_id;
|
|
};
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "RM_RA:get config ring %u ret:%d\n", index, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int ti_sci_cmd_rm_psil_pair(const struct ti_sci_handle *handle,
|
|
u32 nav_id, u32 src_thread, u32 dst_thread)
|
|
{
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_msg_psil_pair req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_RM_PSIL_PAIR,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "RM_PSIL:Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.nav_id = nav_id;
|
|
req.src_thread = src_thread;
|
|
req.dst_thread = dst_thread;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "RM_PSIL:Mbox send fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
ret = ti_sci_is_response_ack(resp) ? 0 : -ENODEV;
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "RM_PSIL: nav: %u link pair %u->%u ret:%u\n",
|
|
nav_id, src_thread, dst_thread, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int ti_sci_cmd_rm_psil_unpair(const struct ti_sci_handle *handle,
|
|
u32 nav_id, u32 src_thread, u32 dst_thread)
|
|
{
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_msg_psil_unpair req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_RM_PSIL_UNPAIR,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "RM_PSIL:Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.nav_id = nav_id;
|
|
req.src_thread = src_thread;
|
|
req.dst_thread = dst_thread;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "RM_PSIL:Mbox send fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
ret = ti_sci_is_response_ack(resp) ? 0 : -ENODEV;
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "RM_PSIL: link unpair %u->%u ret:%u\n",
|
|
src_thread, dst_thread, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int ti_sci_cmd_rm_udmap_tx_ch_cfg(
|
|
const struct ti_sci_handle *handle,
|
|
const struct ti_sci_msg_rm_udmap_tx_ch_cfg *params)
|
|
{
|
|
struct ti_sci_msg_rm_udmap_tx_ch_cfg_resp *resp;
|
|
struct ti_sci_msg_rm_udmap_tx_ch_cfg_req req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_RM_UDMAP_TX_CH_CFG,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message TX_CH_CFG alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
req.valid_params = params->valid_params;
|
|
req.nav_id = params->nav_id;
|
|
req.index = params->index;
|
|
req.tx_pause_on_err = params->tx_pause_on_err;
|
|
req.tx_filt_einfo = params->tx_filt_einfo;
|
|
req.tx_filt_pswords = params->tx_filt_pswords;
|
|
req.tx_atype = params->tx_atype;
|
|
req.tx_chan_type = params->tx_chan_type;
|
|
req.tx_supr_tdpkt = params->tx_supr_tdpkt;
|
|
req.tx_fetch_size = params->tx_fetch_size;
|
|
req.tx_credit_count = params->tx_credit_count;
|
|
req.txcq_qnum = params->txcq_qnum;
|
|
req.tx_priority = params->tx_priority;
|
|
req.tx_qos = params->tx_qos;
|
|
req.tx_orderid = params->tx_orderid;
|
|
req.fdepth = params->fdepth;
|
|
req.tx_sched_priority = params->tx_sched_priority;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send TX_CH_CFG fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp =
|
|
(struct ti_sci_msg_rm_udmap_tx_ch_cfg_resp *)xfer->tx_message.buf;
|
|
ret = ti_sci_is_response_ack(resp) ? 0 : -EINVAL;
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "TX_CH_CFG: chn %u ret:%u\n", params->index, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int ti_sci_cmd_rm_udmap_rx_ch_cfg(
|
|
const struct ti_sci_handle *handle,
|
|
const struct ti_sci_msg_rm_udmap_rx_ch_cfg *params)
|
|
{
|
|
struct ti_sci_msg_rm_udmap_rx_ch_cfg_resp *resp;
|
|
struct ti_sci_msg_rm_udmap_rx_ch_cfg_req req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_RM_UDMAP_RX_CH_CFG,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message RX_CH_CFG alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
req.valid_params = params->valid_params;
|
|
req.nav_id = params->nav_id;
|
|
req.index = params->index;
|
|
req.rx_fetch_size = params->rx_fetch_size;
|
|
req.rxcq_qnum = params->rxcq_qnum;
|
|
req.rx_priority = params->rx_priority;
|
|
req.rx_qos = params->rx_qos;
|
|
req.rx_orderid = params->rx_orderid;
|
|
req.rx_sched_priority = params->rx_sched_priority;
|
|
req.flowid_start = params->flowid_start;
|
|
req.flowid_cnt = params->flowid_cnt;
|
|
req.rx_pause_on_err = params->rx_pause_on_err;
|
|
req.rx_atype = params->rx_atype;
|
|
req.rx_chan_type = params->rx_chan_type;
|
|
req.rx_ignore_short = params->rx_ignore_short;
|
|
req.rx_ignore_long = params->rx_ignore_long;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send RX_CH_CFG fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp =
|
|
(struct ti_sci_msg_rm_udmap_rx_ch_cfg_resp *)xfer->tx_message.buf;
|
|
ret = ti_sci_is_response_ack(resp) ? 0 : -EINVAL;
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "RX_CH_CFG: chn %u ret:%d\n", params->index, ret);
|
|
return ret;
|
|
}
|
|
|
|
static int ti_sci_cmd_rm_udmap_rx_flow_cfg(
|
|
const struct ti_sci_handle *handle,
|
|
const struct ti_sci_msg_rm_udmap_flow_cfg *params)
|
|
{
|
|
struct ti_sci_msg_rm_udmap_flow_cfg_resp *resp;
|
|
struct ti_sci_msg_rm_udmap_flow_cfg_req req;
|
|
struct ti_sci_xfer *xfer;
|
|
struct ti_sci_info *info;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_RM_UDMAP_FLOW_CFG,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(dev, "RX_FL_CFG: Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
req.valid_params = params->valid_params;
|
|
req.nav_id = params->nav_id;
|
|
req.flow_index = params->flow_index;
|
|
req.rx_einfo_present = params->rx_einfo_present;
|
|
req.rx_psinfo_present = params->rx_psinfo_present;
|
|
req.rx_error_handling = params->rx_error_handling;
|
|
req.rx_desc_type = params->rx_desc_type;
|
|
req.rx_sop_offset = params->rx_sop_offset;
|
|
req.rx_dest_qnum = params->rx_dest_qnum;
|
|
req.rx_src_tag_hi = params->rx_src_tag_hi;
|
|
req.rx_src_tag_lo = params->rx_src_tag_lo;
|
|
req.rx_dest_tag_hi = params->rx_dest_tag_hi;
|
|
req.rx_dest_tag_lo = params->rx_dest_tag_lo;
|
|
req.rx_src_tag_hi_sel = params->rx_src_tag_hi_sel;
|
|
req.rx_src_tag_lo_sel = params->rx_src_tag_lo_sel;
|
|
req.rx_dest_tag_hi_sel = params->rx_dest_tag_hi_sel;
|
|
req.rx_dest_tag_lo_sel = params->rx_dest_tag_lo_sel;
|
|
req.rx_fdq0_sz0_qnum = params->rx_fdq0_sz0_qnum;
|
|
req.rx_fdq1_qnum = params->rx_fdq1_qnum;
|
|
req.rx_fdq2_qnum = params->rx_fdq2_qnum;
|
|
req.rx_fdq3_qnum = params->rx_fdq3_qnum;
|
|
req.rx_ps_location = params->rx_ps_location;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(dev, "RX_FL_CFG: Mbox send fail %d\n", ret);
|
|
goto fail;
|
|
}
|
|
|
|
resp =
|
|
(struct ti_sci_msg_rm_udmap_flow_cfg_resp *)xfer->tx_message.buf;
|
|
ret = ti_sci_is_response_ack(resp) ? 0 : -EINVAL;
|
|
|
|
fail:
|
|
dev_dbg(info->dev, "RX_FL_CFG: %u ret:%d\n", params->flow_index, ret);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_set_fwl_region() - Request for configuring a firewall region
|
|
* @handle: pointer to TI SCI handle
|
|
* @region: region configuration parameters
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_set_fwl_region(const struct ti_sci_handle *handle,
|
|
const struct ti_sci_msg_fwl_region *region)
|
|
{
|
|
struct ti_sci_msg_fwl_set_firewall_region_req req;
|
|
struct ti_sci_msg_hdr *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_FWL_SET,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
req.fwl_id = region->fwl_id;
|
|
req.region = region->region;
|
|
req.n_permission_regs = region->n_permission_regs;
|
|
req.control = region->control;
|
|
req.permissions[0] = region->permissions[0];
|
|
req.permissions[1] = region->permissions[1];
|
|
req.permissions[2] = region->permissions[2];
|
|
req.start_address = region->start_address;
|
|
req.end_address = region->end_address;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_get_fwl_region() - Request for getting a firewall region
|
|
* @handle: pointer to TI SCI handle
|
|
* @region: region configuration parameters
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_get_fwl_region(const struct ti_sci_handle *handle,
|
|
struct ti_sci_msg_fwl_region *region)
|
|
{
|
|
struct ti_sci_msg_fwl_get_firewall_region_req req;
|
|
struct ti_sci_msg_fwl_get_firewall_region_resp *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_FWL_GET,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
req.fwl_id = region->fwl_id;
|
|
req.region = region->region;
|
|
req.n_permission_regs = region->n_permission_regs;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_fwl_get_firewall_region_resp *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
region->fwl_id = resp->fwl_id;
|
|
region->region = resp->region;
|
|
region->n_permission_regs = resp->n_permission_regs;
|
|
region->control = resp->control;
|
|
region->permissions[0] = resp->permissions[0];
|
|
region->permissions[1] = resp->permissions[1];
|
|
region->permissions[2] = resp->permissions[2];
|
|
region->start_address = resp->start_address;
|
|
region->end_address = resp->end_address;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_cmd_change_fwl_owner() - Request for changing a firewall owner
|
|
* @handle: pointer to TI SCI handle
|
|
* @region: region configuration parameters
|
|
*
|
|
* Return: 0 if all went well, else returns appropriate error value.
|
|
*/
|
|
static int ti_sci_cmd_change_fwl_owner(const struct ti_sci_handle *handle,
|
|
struct ti_sci_msg_fwl_owner *owner)
|
|
{
|
|
struct ti_sci_msg_fwl_change_owner_info_req req;
|
|
struct ti_sci_msg_fwl_change_owner_info_resp *resp;
|
|
struct ti_sci_info *info;
|
|
struct ti_sci_xfer *xfer;
|
|
int ret = 0;
|
|
|
|
if (IS_ERR(handle))
|
|
return PTR_ERR(handle);
|
|
if (!handle)
|
|
return -EINVAL;
|
|
|
|
info = handle_to_ti_sci_info(handle);
|
|
|
|
xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_FWL_CHANGE_OWNER,
|
|
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
|
|
(u32 *)&req, sizeof(req), sizeof(*resp));
|
|
if (IS_ERR(xfer)) {
|
|
ret = PTR_ERR(xfer);
|
|
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
req.fwl_id = owner->fwl_id;
|
|
req.region = owner->region;
|
|
req.owner_index = owner->owner_index;
|
|
|
|
ret = ti_sci_do_xfer(info, xfer);
|
|
if (ret) {
|
|
dev_err(info->dev, "Mbox send fail %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
resp = (struct ti_sci_msg_fwl_change_owner_info_resp *)xfer->tx_message.buf;
|
|
|
|
if (!ti_sci_is_response_ack(resp))
|
|
return -ENODEV;
|
|
|
|
owner->fwl_id = resp->fwl_id;
|
|
owner->region = resp->region;
|
|
owner->owner_index = resp->owner_index;
|
|
owner->owner_privid = resp->owner_privid;
|
|
owner->owner_permission_bits = resp->owner_permission_bits;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* ti_sci_setup_ops() - Setup the operations structures
|
|
* @info: pointer to TISCI pointer
|
|
*/
|
|
static void ti_sci_setup_ops(struct ti_sci_info *info)
|
|
{
|
|
struct ti_sci_ops *ops = &info->handle.ops;
|
|
struct ti_sci_board_ops *bops = &ops->board_ops;
|
|
struct ti_sci_dev_ops *dops = &ops->dev_ops;
|
|
struct ti_sci_clk_ops *cops = &ops->clk_ops;
|
|
struct ti_sci_core_ops *core_ops = &ops->core_ops;
|
|
struct ti_sci_rm_core_ops *rm_core_ops = &ops->rm_core_ops;
|
|
struct ti_sci_proc_ops *pops = &ops->proc_ops;
|
|
struct ti_sci_rm_ringacc_ops *rops = &ops->rm_ring_ops;
|
|
struct ti_sci_rm_psil_ops *psilops = &ops->rm_psil_ops;
|
|
struct ti_sci_rm_udmap_ops *udmap_ops = &ops->rm_udmap_ops;
|
|
struct ti_sci_fwl_ops *fwl_ops = &ops->fwl_ops;
|
|
|
|
bops->board_config = ti_sci_cmd_set_board_config;
|
|
bops->board_config_rm = ti_sci_cmd_set_board_config_rm;
|
|
bops->board_config_security = ti_sci_cmd_set_board_config_security;
|
|
bops->board_config_pm = ti_sci_cmd_set_board_config_pm;
|
|
|
|
dops->get_device = ti_sci_cmd_get_device;
|
|
dops->get_device_exclusive = ti_sci_cmd_get_device_exclusive;
|
|
dops->idle_device = ti_sci_cmd_idle_device;
|
|
dops->idle_device_exclusive = ti_sci_cmd_idle_device_exclusive;
|
|
dops->put_device = ti_sci_cmd_put_device;
|
|
dops->is_valid = ti_sci_cmd_dev_is_valid;
|
|
dops->get_context_loss_count = ti_sci_cmd_dev_get_clcnt;
|
|
dops->is_idle = ti_sci_cmd_dev_is_idle;
|
|
dops->is_stop = ti_sci_cmd_dev_is_stop;
|
|
dops->is_on = ti_sci_cmd_dev_is_on;
|
|
dops->is_transitioning = ti_sci_cmd_dev_is_trans;
|
|
dops->set_device_resets = ti_sci_cmd_set_device_resets;
|
|
dops->get_device_resets = ti_sci_cmd_get_device_resets;
|
|
dops->release_exclusive_devices = ti_sci_cmd_release_exclusive_devices;
|
|
|
|
cops->get_clock = ti_sci_cmd_get_clock;
|
|
cops->idle_clock = ti_sci_cmd_idle_clock;
|
|
cops->put_clock = ti_sci_cmd_put_clock;
|
|
cops->is_auto = ti_sci_cmd_clk_is_auto;
|
|
cops->is_on = ti_sci_cmd_clk_is_on;
|
|
cops->is_off = ti_sci_cmd_clk_is_off;
|
|
|
|
cops->set_parent = ti_sci_cmd_clk_set_parent;
|
|
cops->get_parent = ti_sci_cmd_clk_get_parent;
|
|
cops->get_num_parents = ti_sci_cmd_clk_get_num_parents;
|
|
|
|
cops->get_best_match_freq = ti_sci_cmd_clk_get_match_freq;
|
|
cops->set_freq = ti_sci_cmd_clk_set_freq;
|
|
cops->get_freq = ti_sci_cmd_clk_get_freq;
|
|
|
|
core_ops->reboot_device = ti_sci_cmd_core_reboot;
|
|
core_ops->query_msmc = ti_sci_cmd_query_msmc;
|
|
|
|
rm_core_ops->get_range = ti_sci_cmd_get_resource_range;
|
|
rm_core_ops->get_range_from_shost =
|
|
ti_sci_cmd_get_resource_range_from_shost;
|
|
|
|
pops->proc_request = ti_sci_cmd_proc_request;
|
|
pops->proc_release = ti_sci_cmd_proc_release;
|
|
pops->proc_handover = ti_sci_cmd_proc_handover;
|
|
pops->set_proc_boot_cfg = ti_sci_cmd_set_proc_boot_cfg;
|
|
pops->set_proc_boot_ctrl = ti_sci_cmd_set_proc_boot_ctrl;
|
|
pops->proc_auth_boot_image = ti_sci_cmd_proc_auth_boot_image;
|
|
pops->get_proc_boot_status = ti_sci_cmd_get_proc_boot_status;
|
|
pops->proc_shutdown_no_wait = ti_sci_cmd_proc_shutdown_no_wait;
|
|
|
|
rops->config = ti_sci_cmd_ring_config;
|
|
rops->get_config = ti_sci_cmd_ring_get_config;
|
|
|
|
psilops->pair = ti_sci_cmd_rm_psil_pair;
|
|
psilops->unpair = ti_sci_cmd_rm_psil_unpair;
|
|
|
|
udmap_ops->tx_ch_cfg = ti_sci_cmd_rm_udmap_tx_ch_cfg;
|
|
udmap_ops->rx_ch_cfg = ti_sci_cmd_rm_udmap_rx_ch_cfg;
|
|
udmap_ops->rx_flow_cfg = ti_sci_cmd_rm_udmap_rx_flow_cfg;
|
|
|
|
fwl_ops->set_fwl_region = ti_sci_cmd_set_fwl_region;
|
|
fwl_ops->get_fwl_region = ti_sci_cmd_get_fwl_region;
|
|
fwl_ops->change_fwl_owner = ti_sci_cmd_change_fwl_owner;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_get_handle_from_sysfw() - Get the TI SCI handle of the SYSFW
|
|
* @dev: Pointer to the SYSFW device
|
|
*
|
|
* Return: pointer to handle if successful, else EINVAL if invalid conditions
|
|
* are encountered.
|
|
*/
|
|
const
|
|
struct ti_sci_handle *ti_sci_get_handle_from_sysfw(struct udevice *sci_dev)
|
|
{
|
|
if (!sci_dev)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
struct ti_sci_info *info = dev_get_priv(sci_dev);
|
|
|
|
if (!info)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
struct ti_sci_handle *handle = &info->handle;
|
|
|
|
if (!handle)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
return handle;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_get_handle() - Get the TI SCI handle for a device
|
|
* @dev: Pointer to device for which we want SCI handle
|
|
*
|
|
* Return: pointer to handle if successful, else EINVAL if invalid conditions
|
|
* are encountered.
|
|
*/
|
|
const struct ti_sci_handle *ti_sci_get_handle(struct udevice *dev)
|
|
{
|
|
if (!dev)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
struct udevice *sci_dev = dev_get_parent(dev);
|
|
|
|
return ti_sci_get_handle_from_sysfw(sci_dev);
|
|
}
|
|
|
|
/**
|
|
* ti_sci_get_by_phandle() - Get the TI SCI handle using DT phandle
|
|
* @dev: device node
|
|
* @propname: property name containing phandle on TISCI node
|
|
*
|
|
* Return: pointer to handle if successful, else appropriate error value.
|
|
*/
|
|
const struct ti_sci_handle *ti_sci_get_by_phandle(struct udevice *dev,
|
|
const char *property)
|
|
{
|
|
struct ti_sci_info *entry, *info = NULL;
|
|
u32 phandle, err;
|
|
ofnode node;
|
|
|
|
err = ofnode_read_u32(dev_ofnode(dev), property, &phandle);
|
|
if (err)
|
|
return ERR_PTR(err);
|
|
|
|
node = ofnode_get_by_phandle(phandle);
|
|
if (!ofnode_valid(node))
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
list_for_each_entry(entry, &ti_sci_list, list)
|
|
if (ofnode_equal(dev_ofnode(entry->dev), node)) {
|
|
info = entry;
|
|
break;
|
|
}
|
|
|
|
if (!info)
|
|
return ERR_PTR(-ENODEV);
|
|
|
|
return &info->handle;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_of_to_info() - generate private data from device tree
|
|
* @dev: corresponding system controller interface device
|
|
* @info: pointer to driver specific private data
|
|
*
|
|
* Return: 0 if all goes good, else appropriate error message.
|
|
*/
|
|
static int ti_sci_of_to_info(struct udevice *dev, struct ti_sci_info *info)
|
|
{
|
|
int ret;
|
|
|
|
ret = mbox_get_by_name(dev, "tx", &info->chan_tx);
|
|
if (ret) {
|
|
dev_err(dev, "%s: Acquiring Tx channel failed. ret = %d\n",
|
|
__func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = mbox_get_by_name(dev, "rx", &info->chan_rx);
|
|
if (ret) {
|
|
dev_err(dev, "%s: Acquiring Rx channel failed. ret = %d\n",
|
|
__func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Notify channel is optional. Enable only if populated */
|
|
ret = mbox_get_by_name(dev, "notify", &info->chan_notify);
|
|
if (ret) {
|
|
dev_dbg(dev, "%s: Acquiring notify channel failed. ret = %d\n",
|
|
__func__, ret);
|
|
}
|
|
|
|
info->host_id = dev_read_u32_default(dev, "ti,host-id",
|
|
info->desc->default_host_id);
|
|
|
|
info->is_secure = dev_read_bool(dev, "ti,secure-host");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_probe() - Basic probe
|
|
* @dev: corresponding system controller interface device
|
|
*
|
|
* Return: 0 if all goes good, else appropriate error message.
|
|
*/
|
|
static int ti_sci_probe(struct udevice *dev)
|
|
{
|
|
struct ti_sci_info *info;
|
|
int ret;
|
|
|
|
debug("%s(dev=%p)\n", __func__, dev);
|
|
|
|
info = dev_get_priv(dev);
|
|
info->desc = (void *)dev_get_driver_data(dev);
|
|
|
|
ret = ti_sci_of_to_info(dev, info);
|
|
if (ret) {
|
|
dev_err(dev, "%s: Probe failed with error %d\n", __func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
info->dev = dev;
|
|
info->seq = 0xA;
|
|
|
|
list_add_tail(&info->list, &ti_sci_list);
|
|
ti_sci_setup_ops(info);
|
|
|
|
ret = ti_sci_cmd_get_revision(&info->handle);
|
|
|
|
INIT_LIST_HEAD(&info->dev_list);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* ti_sci_get_free_resource() - Get a free resource from TISCI resource.
|
|
* @res: Pointer to the TISCI resource
|
|
*
|
|
* Return: resource num if all went ok else TI_SCI_RESOURCE_NULL.
|
|
*/
|
|
u16 ti_sci_get_free_resource(struct ti_sci_resource *res)
|
|
{
|
|
u16 set, free_bit;
|
|
|
|
for (set = 0; set < res->sets; set++) {
|
|
free_bit = find_first_zero_bit(res->desc[set].res_map,
|
|
res->desc[set].num);
|
|
if (free_bit != res->desc[set].num) {
|
|
set_bit(free_bit, res->desc[set].res_map);
|
|
return res->desc[set].start + free_bit;
|
|
}
|
|
}
|
|
|
|
return TI_SCI_RESOURCE_NULL;
|
|
}
|
|
|
|
/**
|
|
* ti_sci_release_resource() - Release a resource from TISCI resource.
|
|
* @res: Pointer to the TISCI resource
|
|
*/
|
|
void ti_sci_release_resource(struct ti_sci_resource *res, u16 id)
|
|
{
|
|
u16 set;
|
|
|
|
for (set = 0; set < res->sets; set++) {
|
|
if (res->desc[set].start <= id &&
|
|
(res->desc[set].num + res->desc[set].start) > id)
|
|
clear_bit(id - res->desc[set].start,
|
|
res->desc[set].res_map);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* devm_ti_sci_get_of_resource() - Get a TISCI resource assigned to a device
|
|
* @handle: TISCI handle
|
|
* @dev: Device pointer to which the resource is assigned
|
|
* @of_prop: property name by which the resource are represented
|
|
*
|
|
* Note: This function expects of_prop to be in the form of tuples
|
|
* <type, subtype>. Allocates and initializes ti_sci_resource structure
|
|
* for each of_prop. Client driver can directly call
|
|
* ti_sci_(get_free, release)_resource apis for handling the resource.
|
|
*
|
|
* Return: Pointer to ti_sci_resource if all went well else appropriate
|
|
* error pointer.
|
|
*/
|
|
struct ti_sci_resource *
|
|
devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
|
|
struct udevice *dev, u32 dev_id, char *of_prop)
|
|
{
|
|
u32 resource_subtype;
|
|
u16 resource_type;
|
|
struct ti_sci_resource *res;
|
|
bool valid_set = false;
|
|
int sets, i, ret;
|
|
u32 *temp;
|
|
|
|
res = devm_kzalloc(dev, sizeof(*res), GFP_KERNEL);
|
|
if (!res)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
sets = dev_read_size(dev, of_prop);
|
|
if (sets < 0) {
|
|
dev_err(dev, "%s resource type ids not available\n", of_prop);
|
|
return ERR_PTR(sets);
|
|
}
|
|
temp = malloc(sets);
|
|
sets /= sizeof(u32);
|
|
res->sets = sets;
|
|
|
|
res->desc = devm_kcalloc(dev, res->sets, sizeof(*res->desc),
|
|
GFP_KERNEL);
|
|
if (!res->desc)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
ret = ti_sci_get_resource_type(handle_to_ti_sci_info(handle), dev_id,
|
|
&resource_type);
|
|
if (ret) {
|
|
dev_err(dev, "No valid resource type for %u\n", dev_id);
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
ret = dev_read_u32_array(dev, of_prop, temp, res->sets);
|
|
if (ret)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
for (i = 0; i < res->sets; i++) {
|
|
resource_subtype = temp[i];
|
|
ret = handle->ops.rm_core_ops.get_range(handle, dev_id,
|
|
resource_subtype,
|
|
&res->desc[i].start,
|
|
&res->desc[i].num);
|
|
if (ret) {
|
|
dev_dbg(dev, "type %d subtype %d not allocated for host %d\n",
|
|
resource_type, resource_subtype,
|
|
handle_to_ti_sci_info(handle)->host_id);
|
|
res->desc[i].start = 0;
|
|
res->desc[i].num = 0;
|
|
continue;
|
|
}
|
|
|
|
valid_set = true;
|
|
dev_dbg(dev, "res type = %d, subtype = %d, start = %d, num = %d\n",
|
|
resource_type, resource_subtype, res->desc[i].start,
|
|
res->desc[i].num);
|
|
|
|
res->desc[i].res_map =
|
|
devm_kzalloc(dev, BITS_TO_LONGS(res->desc[i].num) *
|
|
sizeof(*res->desc[i].res_map), GFP_KERNEL);
|
|
if (!res->desc[i].res_map)
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
if (valid_set)
|
|
return res;
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
/* Description for K2G */
|
|
static const struct ti_sci_desc ti_sci_pmmc_k2g_desc = {
|
|
.default_host_id = 2,
|
|
/* Conservative duration */
|
|
.max_rx_timeout_ms = 10000,
|
|
/* Limited by MBOX_TX_QUEUE_LEN. K2G can handle upto 128 messages! */
|
|
.max_msgs = 20,
|
|
.max_msg_size = 64,
|
|
.rm_type_map = NULL,
|
|
};
|
|
|
|
static struct ti_sci_rm_type_map ti_sci_am654_rm_type_map[] = {
|
|
{.dev_id = 56, .type = 0x00b}, /* GIC_IRQ */
|
|
{.dev_id = 179, .type = 0x000}, /* MAIN_NAV_UDMASS_IA0 */
|
|
{.dev_id = 187, .type = 0x009}, /* MAIN_NAV_RA */
|
|
{.dev_id = 188, .type = 0x006}, /* MAIN_NAV_UDMAP */
|
|
{.dev_id = 194, .type = 0x007}, /* MCU_NAV_UDMAP */
|
|
{.dev_id = 195, .type = 0x00a}, /* MCU_NAV_RA */
|
|
{.dev_id = 0, .type = 0x000}, /* end of table */
|
|
};
|
|
|
|
/* Description for AM654 */
|
|
static const struct ti_sci_desc ti_sci_pmmc_am654_desc = {
|
|
.default_host_id = 12,
|
|
/* Conservative duration */
|
|
.max_rx_timeout_ms = 10000,
|
|
/* Limited by MBOX_TX_QUEUE_LEN. K2G can handle upto 128 messages! */
|
|
.max_msgs = 20,
|
|
.max_msg_size = 60,
|
|
.rm_type_map = ti_sci_am654_rm_type_map,
|
|
};
|
|
|
|
static const struct udevice_id ti_sci_ids[] = {
|
|
{
|
|
.compatible = "ti,k2g-sci",
|
|
.data = (ulong)&ti_sci_pmmc_k2g_desc
|
|
},
|
|
{
|
|
.compatible = "ti,am654-sci",
|
|
.data = (ulong)&ti_sci_pmmc_am654_desc
|
|
},
|
|
{ /* Sentinel */ },
|
|
};
|
|
|
|
U_BOOT_DRIVER(ti_sci) = {
|
|
.name = "ti_sci",
|
|
.id = UCLASS_FIRMWARE,
|
|
.of_match = ti_sci_ids,
|
|
.probe = ti_sci_probe,
|
|
.priv_auto_alloc_size = sizeof(struct ti_sci_info),
|
|
};
|