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[edn/rtl] Signal all recoverable alerts #21187

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Feb 5, 2024
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[edn/rtl] Signal all recoverable alerts #21187

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35 changes: 20 additions & 15 deletions hw/ip/edn/rtl/edn_core.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ module edn_core import edn_pkg::*;
// signals
logic event_edn_cmd_req_done;
logic event_edn_fatal_err;
logic event_edn_recov_err;
logic [EdnEnableCopies-1:FatalErr] edn_enable_fo;
logic [FifoRstCopies-1:1] cmd_fifo_rst_fo;
logic [BootReqCopies-1:1] boot_req_mode_fo;
Expand Down Expand Up @@ -344,6 +345,25 @@ module edn_core import edn_pkg::*;
end : gen_err_code_test_bit


// Combine all recoverable alert signals into one singular signal.
assign event_edn_recov_err = edn_bus_cmp_alert || cmd_fifo_rst_pfa || auto_req_mode_pfa ||
boot_req_mode_pfa || edn_enable_pfa;

// Turn event_edn_recov_err into a pulse for the case when
// the signals are high for more then one cycle.
prim_edge_detector #(
.Width(1),
.ResetValue(0),
.EnSync(0)
) u_prim_edge_detector_recov_alert (
.clk_i,
.rst_ni,
.d_i(event_edn_recov_err),
.q_sync_o(),
.q_posedge_pulse_o(recov_alert_o),
.q_negedge_pulse_o()
);

// alert - send all interrupt sources to the alert for the fatal case
assign fatal_alert_o = event_edn_fatal_err;

Expand Down Expand Up @@ -791,21 +811,6 @@ module edn_core import edn_pkg::*;
assign edn_bus_cmp_alert = cs_rdata_capt_vld && cs_rdata_capt_vld_q &&
(cs_rdata_capt_q == packer_cs_rdata[63:0]);



prim_edge_detector #(
.Width(1),
.ResetValue(0),
.EnSync(0)
) u_prim_edge_detector_recov_alert (
.clk_i,
.rst_ni,
.d_i(edn_bus_cmp_alert),
.q_sync_o(),
.q_posedge_pulse_o(recov_alert_o),
.q_negedge_pulse_o()
);

assign hw2reg.recov_alert_sts.edn_bus_cmp_alert.de = edn_bus_cmp_alert;
assign hw2reg.recov_alert_sts.edn_bus_cmp_alert.d = edn_bus_cmp_alert;

Expand Down
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