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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: N2_Csr.h | |
5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
7 | * | |
8 | * The above named program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public | |
10 | * License version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * The above named program is distributed in the hope that it will be | |
13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public | |
18 | * License along with this work; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
20 | * | |
21 | * ========== Copyright Header End ============================================ | |
22 | */ | |
23 | #ifndef N2_CSR_H | |
24 | #define N2_CSR_H | |
25 | /************************************************************************ | |
26 | ** | |
27 | ** Copyright (C) 2006, Sun Microsystems, Inc. | |
28 | ** | |
29 | ** Sun considers its source code as an unpublished, proprietary | |
30 | ** trade secret and it is available only under strict license provisions. | |
31 | ** This copyright notice is placed here only to protect Sun in the event | |
32 | ** the source is deemed a published work. Disassembly, decompilation, | |
33 | ** or other means of reducing the object code to human readable form | |
34 | ** is prohibited by the license agreement under which this code is | |
35 | ** provided to the user or company in possession of this copy. | |
36 | ** | |
37 | *************************************************************************/ | |
38 | #include "SS_Csr.h" | |
39 | #include "N2_L2Csr.h" | |
40 | #include "N2_McuCsr.h" | |
41 | #include "N2_NcuCsr.h" | |
42 | #include "N2_NiuCsr.h" | |
43 | #include "N2_PcieCsr.h" | |
44 | #include "N2_PiuCsr.h" | |
45 | #include "N2_RstCsr.h" | |
46 | #include "N2_SsiCsr.h" | |
47 | ||
48 | class N2_Model; | |
49 | ||
50 | class N2_Csr : public SS_Csr | |
51 | { | |
52 | public: | |
53 | static int access_io(void* obj, int sid, int access, SS_Paddr addr, uint32_t size, uint64_t* data, uint64_t bitmask); | |
54 | ||
55 | static N2_Model* model; | |
56 | ||
57 | static const int PA_BITS; | |
58 | static const uint64_t IO_MASK; | |
59 | static const int IO_OFFSET; | |
60 | static const uint64_t IO_RANGE; | |
61 | ||
62 | enum Range | |
63 | { | |
64 | RANGE_NCU = 0x80, | |
65 | RANGE_NIU = 0x81, | |
66 | RANGE_RNG = 0x82, | |
67 | RANGE_MCU = 0x84, | |
68 | RANGE_L2_TAP = 0x87, | |
69 | RANGE_PIU = 0x88, | |
70 | RANGE_RST = 0x89, | |
71 | RANGE_NCU_2 = 0x90, | |
72 | RANGE_L2_LOW = 0xa0, | |
73 | RANGE_L2_HIGH = 0xbf, | |
74 | RANGE_PCIE_LOW = 0xc0, | |
75 | RANGE_PCIE_HIGH = 0xcf, | |
76 | RANGE_SSI = 0xff | |
77 | }; | |
78 | ||
79 | N2_Csr() { } | |
80 | virtual ~N2_Csr() { } | |
81 | ||
82 | int read64( SS_Paddr pa, | |
83 | uint64_t *data, | |
84 | int access=MemoryTransaction::READ, | |
85 | int sid=-1 ); | |
86 | ||
87 | int write64( SS_Paddr pa, | |
88 | uint64_t value, | |
89 | int access=MemoryTransaction::WRITE, | |
90 | int sid=-1 ); | |
91 | ||
92 | void warm_reset() | |
93 | { | |
94 | l2_.warmReset(); | |
95 | mcu_.warmReset(); | |
96 | ncu_.warmReset(); | |
97 | niu_.warmReset(); | |
98 | pcie_.warmReset(); | |
99 | piu_.warmReset(); | |
100 | rst_.warmReset(); | |
101 | ssi_.warmReset(); | |
102 | } | |
103 | ||
104 | void reg_addr_space() | |
105 | { | |
106 | l2_.regAddrSpace(); | |
107 | mcu_.regAddrSpace(); | |
108 | ||
109 | // commented out as the CSR address space registration clashes | |
110 | // with the SAM side implementation of device models. | |
111 | // ncu_.regAddrSpace(); | |
112 | // niu_.regAddrSpace(); | |
113 | // pcie_.regAddrSpace(); | |
114 | // piu_.regAddrSpace(); | |
115 | ||
116 | rst_.regAddrSpace(); | |
117 | ssi_.regAddrSpace(); | |
118 | } | |
119 | ||
120 | protected: | |
121 | /** | |
122 | * check address mapping | |
123 | */ | |
124 | SS_Io::access_io_status address_map( SS_Paddr paddr, int access, int sid); | |
125 | ||
126 | N2_L2Csr l2_; | |
127 | N2_McuCsr mcu_; | |
128 | N2_NcuCsr ncu_; | |
129 | N2_NiuCsr niu_; | |
130 | N2_PcieCsr pcie_; | |
131 | N2_PiuCsr piu_; | |
132 | N2_RstCsr rst_; | |
133 | N2_SsiCsr ssi_; | |
134 | }; | |
135 | ||
136 | #endif // N2_CSR_H |