| 1 |
12 |
juko |
/*
|
| 2 |
|
|
* .--------------. .----------------. .------------.
|
| 3 |
|
|
* | .------------. | .--------------. | .----------. |
|
| 4 |
|
|
* | | ____ ____ | | | ____ ____ | | | ______ | |
|
| 5 |
|
|
* | ||_ || _|| | ||_ \ / _|| | | .' ___ || |
|
| 6 |
|
|
* ___ _ __ ___ _ __ | | | |__| | | | | | \/ | | | |/ .' \_|| |
|
| 7 |
|
|
* / _ \| '_ \ / _ \ '_ \ | | | __ | | | | | |\ /| | | | || | | |
|
| 8 |
|
|
* (_) | |_) | __/ | | || | _| | | |_ | | | _| |_\/_| |_ | | |\ `.___.'\| |
|
| 9 |
|
|
* \___/| .__/ \___|_| |_|| ||____||____|| | ||_____||_____|| | | `._____.'| |
|
| 10 |
|
|
* | | | | | | | | | | | |
|
| 11 |
|
|
* |_| | '------------' | '--------------' | '----------' |
|
| 12 |
|
|
* '--------------' '----------------' '------------'
|
| 13 |
|
|
*
|
| 14 |
|
|
* openHMC - An Open Source Hybrid Memory Cube Controller
|
| 15 |
|
|
* (C) Copyright 2014 Computer Architecture Group - University of Heidelberg
|
| 16 |
|
|
* www.ziti.uni-heidelberg.de
|
| 17 |
|
|
* B6, 26
|
| 18 |
|
|
* 68159 Mannheim
|
| 19 |
|
|
* Germany
|
| 20 |
|
|
*
|
| 21 |
|
|
* Contact: openhmc@ziti.uni-heidelberg.de
|
| 22 |
|
|
* http://ra.ziti.uni-heidelberg.de/openhmc
|
| 23 |
|
|
*
|
| 24 |
|
|
* This source file is free software: you can redistribute it and/or modify
|
| 25 |
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
| 26 |
|
|
* the Free Software Foundation, either version 3 of the License, or
|
| 27 |
|
|
* (at your option) any later version.
|
| 28 |
|
|
*
|
| 29 |
|
|
* This source file is distributed in the hope that it will be useful,
|
| 30 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 31 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 32 |
|
|
* GNU Lesser General Public License for more details.
|
| 33 |
|
|
*
|
| 34 |
|
|
* You should have received a copy of the GNU Lesser General Public License
|
| 35 |
|
|
* along with this source file. If not, see .
|
| 36 |
|
|
*
|
| 37 |
|
|
*
|
| 38 |
|
|
*/
|
| 39 |
|
|
|
| 40 |
|
|
`ifndef HMC_LINK_CONFIG_SV
|
| 41 |
|
|
`define HMC_LINK_CONFIG_SV
|
| 42 |
|
|
|
| 43 |
|
|
class hmc_link_config extends uvm_object;
|
| 44 |
|
|
|
| 45 |
|
|
//--
|
| 46 |
|
|
//-- variables
|
| 47 |
|
|
//--
|
| 48 |
|
|
|
| 49 |
|
|
rand int hmc_tokens;
|
| 50 |
|
|
rand int rx_tokens;
|
| 51 |
15 |
juko |
rand bit [5:0] bit_slip_time;
|
| 52 |
12 |
juko |
rand bit [2:0] cube_id;
|
| 53 |
|
|
|
| 54 |
|
|
rand bit cfg_tx_lane_reverse;
|
| 55 |
|
|
rand bit [15:0] cfg_hsstx_inv;
|
| 56 |
15 |
juko |
bit cfg_scram_enb = 1;
|
| 57 |
|
|
rand bit [15:0] cfg_tx_lane_delay[16];
|
| 58 |
12 |
juko |
rand bit [ 3:0] cfg_retry_limit = 3; //-- LINKRETRY - infinite retry when cfg_retry_limit[3] == 1
|
| 59 |
|
|
rand bit [ 2:0] cfg_retry_timeout = 5;
|
| 60 |
|
|
|
| 61 |
|
|
rand bit cfg_check_pkt = 1; //-- check for valid packet
|
| 62 |
|
|
|
| 63 |
|
|
bit cfg_lane_auto_correct = 1;
|
| 64 |
15 |
juko |
uvm_active_passive_enum cfg_rsp_open_loop = UVM_PASSIVE;
|
| 65 |
|
|
bit cfg_half_link_mode_rx = (`LOG_NUM_LANES==3);
|
| 66 |
12 |
juko |
bit [7:0] cfg_tx_rl_lim = 85;
|
| 67 |
15 |
juko |
`ifdef HMC_12G
|
| 68 |
|
|
int cfg_rx_clk_ratio = 50; //Set to 50 for 12.5Gbit , 60 for 15Gbit
|
| 69 |
|
|
int cfg_tx_clk_ratio = 50; //Set to 50 for 12.5Gbit , 60 for 15Gbit
|
| 70 |
|
|
`else
|
| 71 |
|
|
int cfg_rx_clk_ratio = 40; //Set to 50 for 12.5Gbit , 60 for 15Gbit
|
| 72 |
|
|
int cfg_tx_clk_ratio = 40; //Set to 50 for 12.5Gbit , 60 for 15Gbit
|
| 73 |
|
|
`endif
|
| 74 |
|
|
bit cfg_half_link_mode_tx = (`LOG_NUM_LANES==3);
|
| 75 |
|
|
rand bit [7:0] cfg_init_retry_rxcnt;
|
| 76 |
|
|
rand bit [7:0] cfg_init_retry_txcnt; //-- Actual value in BFM is 4times this value
|
| 77 |
12 |
juko |
realtime cfg_tsref = 1us;
|
| 78 |
|
|
realtime cfg_top = 1us;
|
| 79 |
|
|
|
| 80 |
|
|
bit cfg_retry_enb = 1;
|
| 81 |
|
|
|
| 82 |
|
|
//-- error injection is defined in 0.1% granularity
|
| 83 |
|
|
rand int unsigned cfg_rsp_dln, cfg_rsp_lng, cfg_rsp_crc, cfg_rsp_seq,
|
| 84 |
|
|
cfg_rsp_dinv, cfg_rsp_errstat, cfg_rsp_err, cfg_rsp_poison,
|
| 85 |
|
|
cfg_req_dln, cfg_req_lng, cfg_req_crc, cfg_req_seq;
|
| 86 |
|
|
|
| 87 |
|
|
//--
|
| 88 |
|
|
//-- constrains
|
| 89 |
|
|
//--
|
| 90 |
|
|
|
| 91 |
15 |
juko |
constraint cfg_init_retry_rxcnt_c {
|
| 92 |
|
|
cfg_init_retry_rxcnt == 16;
|
| 93 |
|
|
// cfg_init_retry_rxcnt <= 20;
|
| 94 |
|
|
}
|
| 95 |
|
|
|
| 96 |
|
|
constraint cfg_init_retry_txcnt_c {
|
| 97 |
|
|
//Actual Value is constraint*4
|
| 98 |
|
|
// cfg_init_retry_txcnt >= 5;
|
| 99 |
|
|
cfg_init_retry_txcnt == 7;
|
| 100 |
|
|
}
|
| 101 |
|
|
|
| 102 |
|
|
constraint bit_slip_time_c {
|
| 103 |
|
|
bit_slip_time >= 32;
|
| 104 |
|
|
bit_slip_time <= 63;
|
| 105 |
|
|
}
|
| 106 |
|
|
|
| 107 |
12 |
juko |
constraint hmc_tokens_c {
|
| 108 |
|
|
hmc_tokens >= 25;
|
| 109 |
15 |
juko |
// soft hmc_tokens dist{[25:30]:/5, [31:100]:/15, [101:1023]:/80};
|
| 110 |
|
|
soft hmc_tokens dist{[25:30]:/5, [31:219]:/95}; //Current hardware
|
| 111 |
12 |
juko |
}
|
| 112 |
|
|
|
| 113 |
|
|
constraint cfg_hsstx_inv_c {
|
| 114 |
|
|
cfg_hsstx_inv >= 0;
|
| 115 |
|
|
}
|
| 116 |
|
|
|
| 117 |
|
|
constraint rx_tokens_c {
|
| 118 |
|
|
rx_tokens >= 9;
|
| 119 |
15 |
juko |
// soft rx_tokens dist{[9:30]:/5, [31:100]:/15, [101:1023]:/80}; //Make sure to increase the input buffer accordingly
|
| 120 |
|
|
soft rx_tokens dist{[9:30]:/5, [31:255]:/95}; //Safe value for input buffer address size = 8. Leave some FLITs for poisoned packets
|
| 121 |
12 |
juko |
}
|
| 122 |
|
|
|
| 123 |
|
|
constraint cube_id_c {
|
| 124 |
|
|
cube_id >= 0;
|
| 125 |
|
|
soft cube_id == 0;
|
| 126 |
|
|
}
|
| 127 |
|
|
constraint lane_delay_c{
|
| 128 |
|
|
foreach (cfg_tx_lane_delay[i]) {
|
| 129 |
|
|
cfg_tx_lane_delay[i] >= 0;
|
| 130 |
|
|
cfg_tx_lane_delay[i] <= 8;
|
| 131 |
|
|
}
|
| 132 |
|
|
}
|
| 133 |
|
|
|
| 134 |
|
|
constraint retry_timeout_c {
|
| 135 |
|
|
cfg_retry_timeout == 7;
|
| 136 |
|
|
}
|
| 137 |
|
|
|
| 138 |
|
|
|
| 139 |
|
|
constraint error_rates_c {
|
| 140 |
15 |
juko |
soft cfg_rsp_dln ==0;//dist{[0:10]};
|
| 141 |
|
|
soft cfg_rsp_lng ==0;//dist{[0:10]};
|
| 142 |
|
|
soft cfg_rsp_crc ==0;//dist{[0:10]};
|
| 143 |
|
|
soft cfg_rsp_seq ==0;//dist{[0:10]};
|
| 144 |
|
|
soft cfg_rsp_poison ==0;//dist{[0:10]};
|
| 145 |
|
|
soft cfg_req_dln ==0;//dist{[0:10]};
|
| 146 |
|
|
soft cfg_req_lng ==0;//dist{[0:10]};
|
| 147 |
|
|
soft cfg_req_crc ==0;//dist{[0:10]};
|
| 148 |
|
|
soft cfg_req_seq ==0; // Must be zero for BFM 28965 !
|
| 149 |
12 |
juko |
|
| 150 |
|
|
(
|
| 151 |
|
|
cfg_rsp_dln ||
|
| 152 |
|
|
cfg_rsp_lng ||
|
| 153 |
|
|
cfg_rsp_crc ||
|
| 154 |
|
|
cfg_rsp_seq ||
|
| 155 |
|
|
cfg_rsp_dinv ||
|
| 156 |
|
|
cfg_rsp_errstat ||
|
| 157 |
|
|
cfg_rsp_err ||
|
| 158 |
|
|
cfg_rsp_poison ||
|
| 159 |
|
|
|
| 160 |
|
|
cfg_req_dln ||
|
| 161 |
|
|
cfg_req_lng ||
|
| 162 |
|
|
cfg_req_crc ||
|
| 163 |
|
|
cfg_req_seq
|
| 164 |
|
|
) -> {
|
| 165 |
|
|
cfg_check_pkt == 0; //-- disable packet checking
|
| 166 |
|
|
cfg_retry_limit[3] == 1; //-- enable infinite retry
|
| 167 |
|
|
}
|
| 168 |
|
|
}
|
| 169 |
|
|
|
| 170 |
|
|
|
| 171 |
|
|
`uvm_object_utils_begin(hmc_link_config)
|
| 172 |
|
|
`uvm_field_int(hmc_tokens, UVM_DEFAULT)
|
| 173 |
|
|
`uvm_field_int(rx_tokens, UVM_DEFAULT)
|
| 174 |
|
|
`uvm_object_utils_end
|
| 175 |
|
|
|
| 176 |
|
|
function new(string name = "hmc_link_config");
|
| 177 |
|
|
super.new(name);
|
| 178 |
|
|
endfunction : new
|
| 179 |
|
|
|
| 180 |
|
|
virtual function void do_print (uvm_printer printer);
|
| 181 |
|
|
super.do_print(printer);
|
| 182 |
|
|
endfunction : do_print
|
| 183 |
|
|
|
| 184 |
|
|
endclass : hmc_link_config
|
| 185 |
|
|
|
| 186 |
15 |
juko |
`endif // HMC_LINK_CONFIG_SV
|
