blob: 5248aad32b205d349783d5654168b67fc44fcd82 [file] [log] [blame]
// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
typedef class i2c_scoreboard;
class i2c_env_cfg extends cip_base_env_cfg #(.RAL_T(i2c_reg_block));
// i2c address mode (only support 7-bit address for targets)
i2c_target_addr_mode_e target_addr_mode = Addr7BitMode;
// i2c_agent cfg
rand i2c_agent_cfg m_i2c_agent_cfg;
// seq cfg
i2c_seq_cfg seq_cfg;
bit [7:0] lastbyte;
int spinwait_timeout_ns = 10_000_000; // 10ms
int long_spinwait_timeout_ns = 400_000_000;
int sent_acq_cnt;
int rcvd_acq_cnt;
// Ratio between write and read
int wr_pct = 1;
int rd_pct = 1;
int bad_addr_pct = 0;
// re-start injection rate between 1~10
int rs_pct = 1;
// dut target mode parameters
int min_data = 1;
int max_data = 60;
// Use i2c interrupt handler
bit use_intr_handler = 1'b0;
bit stop_intr_handler = 1'b0;
bit read_all_acq_entries = 1'b0;
// Slow acq process
bit slow_acq = 1'b0;
// Slow tx process
bit slow_txq = 1'b0;
// For tx fifio overflow test.
// If this bit is set, tx fifo is fed by 'drooling_write_tx_fifo()' in i2c_base_vseq.sv
bit use_drooling_tx = 1'b0;
// ack stop test
int sent_ack_stop = 0;
int rcvd_ack_stop = 0;
i2c_scoreboard scb_h;
virtual i2c_dv_if i2c_dv_vif;
`uvm_object_utils_begin(i2c_env_cfg)
`uvm_field_object(m_i2c_agent_cfg, UVM_DEFAULT)
`uvm_object_utils_end
`uvm_object_new
virtual function void initialize(bit [TL_AW-1:0] csr_base_addr = '1);
list_of_alerts = i2c_env_pkg::LIST_OF_ALERTS;
super.initialize(csr_base_addr);
// create i2c_agent_cfg
m_i2c_agent_cfg = i2c_agent_cfg::type_id::create("m_i2c_agent_cfg");
// set agent to Device mode
m_i2c_agent_cfg.if_mode = Device;
// set time to stop test
m_i2c_agent_cfg.ok_to_end_delay_ns = 5000;
// config target address mode of agent to the same
m_i2c_agent_cfg.target_addr_mode = Addr7BitMode;
m_tl_agent_cfg.max_outstanding_req = 1;
// create the seq_cfg
seq_cfg = i2c_seq_cfg::type_id::create("seq_cfg");
// set num_interrupts & num_alerts
begin
uvm_reg rg = ral.get_reg_by_name("intr_state");
if (rg != null) begin
num_interrupts = ral.intr_state.get_n_used_bits();
end
end
endfunction
// this function is called after reset or end of vseq run
virtual function void reset_seq_cfg();
seq_cfg.en_fmt_overflow = 1'b0;
seq_cfg.en_rx_overflow = 1'b0;
seq_cfg.en_rx_threshold = 1'b0;
seq_cfg.en_sda_unstable = 1'b0;
seq_cfg.en_scl_interference = 1'b0;
seq_cfg.en_sda_interference = 1'b0;
// target mode cfg params.
slow_acq = 0;
use_drooling_tx = 0;
wr_pct = 1;
rd_pct = 1;
min_data = 1;
max_data = 60;
read_all_acq_entries = 0;
sent_ack_stop = 0;
rcvd_ack_stop = 0;
endfunction : reset_seq_cfg
endclass : i2c_env_cfg