diff options
Diffstat (limited to 'drivers/firmware/ti_sci.c')
| -rw-r--r-- | drivers/firmware/ti_sci.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 4671a5e3a8..0b6ba35b59 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -23,6 +23,7 @@ #include <linux/soc/ti/ti_sci_protocol.h> #include "ti_sci.h" +#include "ti_sci_static_data.h" /* List of all TI SCI devices active in system */ static LIST_HEAD(ti_sci_list); @@ -1668,6 +1669,34 @@ fail: return ret; } +static int __maybe_unused +ti_sci_cmd_get_resource_range_static(const struct ti_sci_handle *handle, + u32 dev_id, u8 subtype, + u16 *range_start, u16 *range_num) +{ + struct ti_sci_resource_static_data *data; + int i = 0; + + while (1) { + data = &rm_static_data[i]; + + if (!data->dev_id) + return -EINVAL; + + if (data->dev_id != dev_id || data->subtype != subtype) { + i++; + continue; + } + + *range_start = data->range_start; + *range_num = data->range_num; + + return 0; + } + + return -EINVAL; +} + /** * ti_sci_cmd_get_resource_range - Get a range of resources assigned to host * that is same as ti sci interface host. @@ -3016,6 +3045,58 @@ static int ti_sci_probe(struct udevice *dev) return ret; } +/** + * ti_sci_dm_probe() - Basic probe for DM to TIFS SCI + * @dev: corresponding system controller interface device + * + * Return: 0 if all goes good, else appropriate error message. + */ +static __maybe_unused int ti_sci_dm_probe(struct udevice *dev) +{ + struct ti_sci_rm_core_ops *rm_core_ops; + struct ti_sci_rm_udmap_ops *udmap_ops; + struct ti_sci_rm_ringacc_ops *rops; + struct ti_sci_rm_psil_ops *psilops; + struct ti_sci_ops *ops; + 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); + + ops = &info->handle.ops; + + rm_core_ops = &ops->rm_core_ops; + rm_core_ops->get_range = ti_sci_cmd_get_resource_range_static; + + rops = &ops->rm_ring_ops; + rops->config = ti_sci_cmd_ring_config; + + psilops = &ops->rm_psil_ops; + psilops->pair = ti_sci_cmd_rm_psil_pair; + psilops->unpair = ti_sci_cmd_rm_psil_unpair; + + udmap_ops = &ops->rm_udmap_ops; + 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; + + return ret; +} + /* * ti_sci_get_free_resource() - Get a free resource from TISCI resource. * @res: Pointer to the TISCI resource @@ -3153,6 +3234,14 @@ static const struct ti_sci_desc ti_sci_pmmc_am654_desc = { .max_msg_size = 60, }; +/* Description for J721e DM to DMSC communication */ +static const struct ti_sci_desc ti_sci_dm_j721e_desc = { + .default_host_id = 3, + .max_rx_timeout_ms = 10000, + .max_msgs = 20, + .max_msg_size = 60, +}; + static const struct udevice_id ti_sci_ids[] = { { .compatible = "ti,k2g-sci", @@ -3165,6 +3254,14 @@ static const struct udevice_id ti_sci_ids[] = { { /* Sentinel */ }, }; +static __maybe_unused const struct udevice_id ti_sci_dm_ids[] = { + { + .compatible = "ti,j721e-dm-sci", + .data = (ulong)&ti_sci_dm_j721e_desc + }, + { /* Sentinel */ }, +}; + U_BOOT_DRIVER(ti_sci) = { .name = "ti_sci", .id = UCLASS_FIRMWARE, @@ -3172,3 +3269,13 @@ U_BOOT_DRIVER(ti_sci) = { .probe = ti_sci_probe, .priv_auto = sizeof(struct ti_sci_info), }; + +#if IS_ENABLED(CONFIG_K3_DM_FW) +U_BOOT_DRIVER(ti_sci_dm) = { + .name = "ti_sci_dm", + .id = UCLASS_FIRMWARE, + .of_match = ti_sci_dm_ids, + .probe = ti_sci_dm_probe, + .priv_auto = sizeof(struct ti_sci_info), +}; +#endif |