Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / verif / model / pcie / tl / rsb.hpp
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1#ifndef INC_rsb_hpp__
2#define INC_rsb_hpp__
3
4#include <systemc.h>
5
6#include "pcie_common/config.hpp"
7#include "pcie_common/pciePacket.hpp"
8
9#include "pcie_common/data_port.hpp"
10#include "pcie_common/csr_if_port.hpp"
11#include "pcie_common/peu_csr_defines.hpp"
12#include "pcie_common/peu_defines.hpp"
13
14#include "tlm.h"
15
16using tlm::tlm_transport_if;
17using tlm::tlm_slave_if;
18
19#define NUM_RSB_ENTRIES 32
20#define RSB_TAG_SIZE 4
21#define CTO_TAG_SIZE 5
22
23#include <queue>
24
25#define WAIT(__EV__) if(!POR_RESET) wait( __EV__ | reset_ev); \
26 if(POR_RESET) {LOG_WARNING<<"RSB: WAIT throwing an exception"; throw sc_exception();}
27
28namespace pcie {
29
30 class rsb_data
31 {
32 public:
33 sc_uint<CTO_TAG_SIZE> tlp_tag; ///< RSB index field
34 sc_uint<16> req_id; ///< requester id
35 vector < sc_uint < 8 > > raw_payload;
36 bool vld; ///< Valid bit
37 sc_uint<12> expect_bc; ///< expected byte count value
38 sc_uint<7> expect_la; ///< expected last address bits
39 sc_time timeout; ///< timeout value
40 bool infTO; ///< Infinite timeout flag
41
42 rsb_data(){
43 tlp_tag = 0;
44 raw_payload.resize(1);
45 raw_payload[0]=0;
46 vld = false;
47 expect_bc=0;
48 infTO=false;
49 }
50 };
51
52 class rsb : public sc_module
53 {
54 public:
55 rsb(sc_module_name module_name, sc_event *parent_global_ev, uint8 *global_event_type) :
56 sc_module (module_name),
57 ing_port("ing_itl_rsb_port"),
58 csr_port("CSR_PORT"),
59 eg_port("eg_etl_rsb_port"),
60 rsb_clk("RSB_CLK",4,SC_NS,0.5), ///Assuming a 250MHz clock domain
61 cto_req_port("cto_rsb_ilu_req_port")
62 {
63 this->parent_global_ev = parent_global_ev;
64 this->global_event_type = global_event_type;
65 SC_THREAD(ing_handler);
66 SC_METHOD(init);
67 SC_THREAD(reset_handler);
68 }
69
70 SC_HAS_PROCESS(rsb);
71
72 sc_port< tlm_slave_if< RefPciePacket, bool > > ing_port;
73 data_in_port<RefPciePacket> eg_port;
74 csr_if_port< CSR_ADDR_T, CSR_DATA_T > csr_port;
75 sc_port< tlm_put_if< sc_uint<CTO_TAG_SIZE> > > cto_req_port;
76
77 sc_clock rsb_clk; ///< RSB clk
78
79 private:
80 //Module threads and methods
81 void ing_handler();
82 void eg_handler();
83 void update_timer();
84 sc_time get_Cpl_TO();
85 void write_error_csr(uint8,uint8,uint8,char[]);
86 void init();
87 void reset_handler();
88
89 sc_event reset_ev; ///< Reset event for threads in the module
90 sc_event *parent_global_ev; ///< Global event to the module
91 uint8 *global_event_type; ///< Global event type
92
93 bool POR_RESET; ///< Power-on Reset flag
94 bool STOP_TIMER;
95
96 //Proc handles
97 sc_process_handle eg_handler_ph;
98 sc_process_handle update_timer_ph;
99
100 USE_NAMESPACE(std)map<sc_uint<4>, rsb_data > rsb_db; ///< RSB look-up table
101
102 enum {OE,UE,CE};
103
104 sc_uint<6> rs2it_err; ///< RSB error type local register
105 };
106} //namespace pcie
107#endif //INC_rsb_hpp