Referring to the Comportable guideline for peripheral device functionality , the module gpio
has the following hardware interfaces defined
Primary Clock: clk_i
Other Clocks: none
Bus Device Interfaces (TL-UL): tl
Bus Host Interfaces (TL-UL): none
Peripheral Pins for Chip IO
Pin name
Direction
Description
gpio[31:0]
inout
GPIO inout to/from PAD
Port Name
Package::Struct
Type
Act
Width
Description
strap_en
logic
uni
rcv
1
This signal is pulsed high by the power manager after reset in order to sample the HW straps.
sampled_straps
gpio_pkg::gpio_straps
uni
req
1
This vector contains the sampled strap values.
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
logic
uni
req
1
RACL error indication signal. If 1, the error log contains valid information.
racl_error_log
top_racl_pkg::racl_error_log
uni
req
1
RACL error log information of this module.
tl
tlul_pkg::tl
req_rsp
rsp
1
Interrupt Name
Type
Description
gpio[31:0]
Event
raised if any of GPIO pin detects configured interrupt mode
Alert Name
Description
fatal_fault
This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected.
Countermeasure ID
Description
GPIO.BUS.INTEGRITY
End-to-end bus integrity scheme.