diff options
Diffstat (limited to 'drivers/firmware/ti_sci.h')
| -rw-r--r-- | drivers/firmware/ti_sci.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/firmware/ti_sci.h b/drivers/firmware/ti_sci.h index a484b1fa40..69ff74d6a9 100644 --- a/drivers/firmware/ti_sci.h +++ b/drivers/firmware/ti_sci.h @@ -50,6 +50,7 @@ #define TISCI_MSG_SET_PROC_BOOT_CTRL 0xc101 #define TISCI_MSG_PROC_AUTH_BOOT_IMIAGE 0xc120 #define TISCI_MSG_GET_PROC_BOOT_STATUS 0xc400 +#define TISCI_MSG_WAIT_PROC_BOOT_STATUS 0xc401 /* Resource Management Requests */ #define TI_SCI_MSG_GET_RESOURCE_RANGE 0x1500 @@ -773,6 +774,55 @@ struct ti_sci_msg_resp_get_proc_boot_status { } __packed; /** + * struct ti_sci_msg_req_wait_proc_boot_status - Wait for a processor + * boot status + * @hdr: Generic Header + * @processor_id: ID of processor + * @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. + * + * Request type is TISCI_MSG_WAIT_PROC_BOOT_STATUS, response is appropriate + * message, or NACK in case of inability to satisfy request. + */ +struct ti_sci_msg_req_wait_proc_boot_status { + struct ti_sci_msg_hdr hdr; + u8 processor_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; +} __packed; + +/** * struct ti_sci_msg_rm_ring_cfg_req - Configure a Navigator Subsystem ring * * Configures the non-real-time registers of a Navigator Subsystem ring. |