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1 /** @file
2 *
3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
4 *
5 *  This program and the accompanying materials
6 *  are licensed and made available under the terms and conditions of the BSD License
7 *  which accompanies this distribution.  The full text of the license may be found at
8 *  http://opensource.org/licenses/bsd-license.php
9 *
10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 *
13 **/
14 
15 #ifndef L2CACHELIB_H_
16 #define L2CACHELIB_H_
17 
18 #define L2X0_CACHEID            0x000
19 #define L2X0_CTRL               0x100
20 #define L2X0_AUXCTRL            0x104
21 #define L230_TAG_LATENCY        0x108
22 #define L230_DATA_LATENCY       0x10C
23 #define L2X0_INTCLEAR           0x220
24 #define L2X0_CACHE_SYNC         0x730
25 #define L2X0_INVWAY             0x77C
26 #define L2X0_CLEAN_WAY          0x7BC
27 #define L2X0_PFCTRL             0xF60
28 #define L2X0_PWRCTRL            0xF80
29 
30 #define L2X0_CACHEID_IMPLEMENTER_ARM        0x41
31 #define L2X0_CACHEID_PARTNUM_PL310          0x03
32 
33 #define L2X0_CTRL_ENABLED                   0x1
34 #define L2X0_CTRL_DISABLED                  0x0
35 
36 #define L2X0_AUXCTRL_EXCLUSIVE              (1 << 12)
37 #define L2X0_AUXCTRL_ASSOCIATIVITY          (1 << 16)
38 #define L2X0_AUXCTRL_WAYSIZE_MASK           (3 << 17)
39 #define L2X0_AUXCTRL_WAYSIZE_16KB           (1 << 17)
40 #define L2X0_AUXCTRL_WAYSIZE_32KB           (2 << 17)
41 #define L2X0_AUXCTRL_WAYSIZE_64KB           (3 << 17)
42 #define L2X0_AUXCTRL_WAYSIZE_128KB          (4 << 17)
43 #define L2X0_AUXCTRL_WAYSIZE_256KB          (5 << 17)
44 #define L2X0_AUXCTRL_WAYSIZE_512KB          (6 << 17)
45 #define L2X0_AUXCTRL_EM                     (1 << 20)
46 #define L2X0_AUXCTRL_SHARED_OVERRIDE        (1 << 22)
47 #define L2x0_AUXCTRL_AW_AWCACHE             (0 << 23)
48 #define L2x0_AUXCTRL_AW_NOALLOC             (1 << 23)
49 #define L2x0_AUXCTRL_AW_OVERRIDE            (2 << 23)
50 #define L2X0_AUXCTRL_SBO                    (1 << 25)
51 #define L2X0_AUXCTRL_NSAC                   (1 << 27)
52 #define L2x0_AUXCTRL_DPREFETCH              (1 << 28)
53 #define L2x0_AUXCTRL_IPREFETCH              (1 << 29)
54 #define L2x0_AUXCTRL_EARLY_BRESP            (1 << 30)
55 
56 #define L2x0_LATENCY_1_CYCLE                 0
57 #define L2x0_LATENCY_2_CYCLES                1
58 #define L2x0_LATENCY_3_CYCLES                2
59 #define L2x0_LATENCY_4_CYCLES                3
60 #define L2x0_LATENCY_5_CYCLES                4
61 #define L2x0_LATENCY_6_CYCLES                5
62 #define L2x0_LATENCY_7_CYCLES                6
63 #define L2x0_LATENCY_8_CYCLES                7
64 
65 #define PL310_LATENCIES(Write,Read,Setup)      (((Write) << 8) | ((Read) << 4) | (Setup))
66 #define PL310_TAG_LATENCIES(Write,Read,Setup)  PL310_LATENCIES(Write,Read,Setup)
67 #define PL310_DATA_LATENCIES(Write,Read,Setup) PL310_LATENCIES(Write,Read,Setup)
68 
69 VOID
70 L2x0CacheInit (
71   IN  UINTN   L2x0Base,
72   IN  UINT32  L2x0TagLatencies,
73   IN  UINT32  L2x0DataLatencies,
74   IN  UINT32  L2x0AuxValue,
75   IN  UINT32  L2x0AuxMask,
76   IN  BOOLEAN CacheEnabled
77   );
78 
79 #endif /* L2CACHELIB_H_ */
80