Referring to the Comportable guideline for peripheral device functionality, the module mbx has the following hardware interfaces defined
- Primary Clock:
clk_i
- Other Clocks: none
- Bus Device Interfaces (TL-UL):
core_tl_d, soc_tl_d
- Bus Host Interfaces (TL-UL):
sram_tl_h
- Peripheral Pins for Chip IO: none
| Port Name | Package::Struct | Type | Act | Width | Description |
|---|
| doe_intr_support | logic | uni | req | 1 | |
| doe_intr_en | logic | uni | req | 1 | |
| doe_intr | logic | uni | req | 1 | |
| doe_async_msg_support | logic | uni | req | 1 | |
| racl_policies | top_racl_pkg::racl_policy_vec | uni | rcv | 1 | Incoming RACL policy vector from a racl_ctrl instance. The policy selection vector (parameter) selects the policy for each register. |
| racl_error | top_racl_pkg::racl_error_log | uni | req | 1 | RACL error log information of this module. |
| sram_tl_h | tlul_pkg::tl | req_rsp | req | 1 | |
| core_tl_d | tlul_pkg::tl | req_rsp | rsp | 1 | |
| soc_tl_d | tlul_pkg::tl | req_rsp | rsp | 1 | |
| Interrupt Name | Type | Description |
|---|
| mbx_ready | Event | A new object was received in the inbound mailbox. |
| mbx_abort | Event | An abort request was received from the requester. |
| mbx_error | Event | The mailbox instance generated an error. |
| Alert Name | Description |
|---|
| fatal_fault | This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. |
| recov_fault | This recoverable alert is triggered when memory with invalid ECC (e.g., uninitialized memory) or at an invalid address is accessed. |
| Countermeasure ID | Description |
|---|
| MBX.BUS.INTEGRITY | End-to-end bus integrity scheme. |
| MBX.ADDRESS_RANGE.CONFIG.REGWEN_MUBI | Private SRAM memory range is software multibit lockable. |