* @msg_flags: Flag to set for the message
* @buf: Buffer to be send to mailbox channel
* @tx_message_size: transmit message size
- * @rx_message_size: receive message size
+ * @rx_message_size: receive message size. may be set to zero for send-only
+ * transactions.
*
* Helper function which is used by various command functions that are
* exposed to clients of this driver for allocating a message traffic event.
/* Ensure we have sane transfer sizes */
if (rx_message_size > info->desc->max_msg_size ||
tx_message_size > info->desc->max_msg_size ||
- rx_message_size < sizeof(*hdr) || tx_message_size < sizeof(*hdr))
+ (rx_message_size > 0 && rx_message_size < sizeof(*hdr)) ||
+ tx_message_size < sizeof(*hdr))
return ERR_PTR(-ERANGE);
info->seq = ~info->seq;
int ret;
/* Receive the response */
- ret = mbox_recv(chan, msg, info->desc->max_rx_timeout_ms);
+ ret = mbox_recv(chan, msg, info->desc->max_rx_timeout_ms * 1000);
if (ret) {
dev_err(info->dev, "%s: Message receive failed. ret = %d\n",
__func__, ret);
xfer->tx_message.buf = (u32 *)secure_buf;
xfer->tx_message.len += sizeof(secure_hdr);
- xfer->rx_len += sizeof(secure_hdr);
+
+ if (xfer->rx_len)
+ xfer->rx_len += sizeof(secure_hdr);
}
/* Send the message */
return ret;
}
- return ti_sci_get_response(info, xfer, &info->chan_rx);
+ /* Get response if requested */
+ if (xfer->rx_len)
+ ret = ti_sci_get_response(info, xfer, &info->chan_rx);
+
+ return ret;
}
/**
info = handle_to_ti_sci_info(handle);
- xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_VERSION, 0x0,
+ xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_VERSION,
+ TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
(u32 *)&hdr, sizeof(struct ti_sci_msg_hdr),
sizeof(*rev_info));
if (IS_ERR(xfer)) {
}
/**
+ * 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
info = handle_to_ti_sci_info(handle);
- /* Response is expected, so need of any flags */
- xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_GET_DEVICE_STATE, 0,
+ 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);
*/
static int ti_sci_cmd_get_device(const struct ti_sci_handle *handle, u32 id)
{
- return ti_sci_set_device_state(handle, id,
- MSG_FLAG_DEVICE_EXCLUSIVE,
+ 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);
}
static int ti_sci_cmd_idle_device(const struct ti_sci_handle *handle, u32 id)
{
return ti_sci_set_device_state(handle, id,
- MSG_FLAG_DEVICE_EXCLUSIVE,
+ 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);
}
*/
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);
+ return ti_sci_set_device_state(handle, id, 0,
+ MSG_DEVICE_SW_STATE_AUTO_OFF);
}
/**
* 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
- * @proc_id: Processor ID this request is for
- * @cert_addr: Memory address at which payload image certificate is located.
+ * @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,
- u8 proc_id, u64 cert_addr)
+ u64 *image_addr, u32 *image_size)
{
struct ti_sci_msg_req_proc_auth_boot_image req;
- struct ti_sci_msg_hdr *resp;
+ struct ti_sci_msg_resp_proc_auth_boot_image *resp;
struct ti_sci_info *info;
struct ti_sci_xfer *xfer;
int ret = 0;
dev_err(info->dev, "Message alloc failed(%d)\n", ret);
return ret;
}
- req.processor_id = proc_id;
- req.cert_addr_low = cert_addr & TISCI_ADDR_LOW_MASK;
- req.cert_addr_high = (cert_addr & TISCI_ADDR_HIGH_MASK) >>
+ 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);
return ret;
}
- resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf;
+ resp = (struct ti_sci_msg_resp_proc_auth_boot_image *)xfer->tx_message.buf;
if (!ti_sci_is_response_ack(resp))
- ret = -ENODEV;
+ 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_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.
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
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_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;
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;
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;
}
/**
projects / platform / kernel / u-boot.git / blobdiff