FreeBSD/Linux Kernel Cross Reference
sys/mips/nlm/xlp.h
1 /*-
2 * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
3 * reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * NETLOGIC_BSD
29 * $FreeBSD: releng/11.0/sys/mips/nlm/xlp.h 279387 2015-02-28 00:17:29Z jchandra $
30 */
31
32 #ifndef __NLM_XLP_H__
33 #define __NLM_XLP_H__
34 #include <mips/nlm/hal/mips-extns.h>
35 #include <mips/nlm/hal/iomap.h>
36
37 /* XLP 8xx/4xx A0, A1, A2 CPU COP0 PRIDs */
38 #define CHIP_PROCESSOR_ID_XLP_8XX 0x10
39 #define CHIP_PROCESSOR_ID_XLP_3XX 0x11
40 #define CHIP_PROCESSOR_ID_XLP_416 0x94
41 #define CHIP_PROCESSOR_ID_XLP_432 0x14
42
43 /* Revision id's */
44 #define XLP_REVISION_A0 0x00
45 #define XLP_REVISION_A1 0x01
46 #define XLP_REVISION_A2 0x02
47 #define XLP_REVISION_B0 0x03
48 #define XLP_REVISION_B1 0x04
49
50 #ifndef LOCORE
51 /*
52 * FreeBSD can be started with few threads and cores turned off,
53 * so have a hardware thread id to FreeBSD cpuid mapping.
54 */
55 extern int xlp_ncores;
56 extern int xlp_threads_per_core;
57 extern uint32_t xlp_hw_thread_mask;
58 extern int xlp_cpuid_to_hwtid[];
59 extern int xlp_hwtid_to_cpuid[];
60 #ifdef SMP
61 extern void xlp_enable_threads(int code);
62 #endif
63 uint32_t xlp_get_cpu_frequency(int node, int core);
64 int nlm_set_device_frequency(int node, int devtype, int frequency);
65 int xlp_irq_to_irt(int irq);
66
67 static __inline int nlm_processor_id(void)
68 {
69 return ((mips_rd_prid() >> 8) & 0xff);
70 }
71
72 static __inline int nlm_is_xlp3xx(void)
73 {
74
75 return (nlm_processor_id() == CHIP_PROCESSOR_ID_XLP_3XX);
76 }
77
78 static __inline int nlm_is_xlp3xx_ax(void)
79 {
80 uint32_t procid = mips_rd_prid();
81 int prid = (procid >> 8) & 0xff;
82 int rev = procid & 0xff;
83
84 return (prid == CHIP_PROCESSOR_ID_XLP_3XX &&
85 rev < XLP_REVISION_B0);
86 }
87
88 static __inline int nlm_is_xlp4xx(void)
89 {
90 int prid = nlm_processor_id();
91
92 return (prid == CHIP_PROCESSOR_ID_XLP_432 ||
93 prid == CHIP_PROCESSOR_ID_XLP_416);
94 }
95
96 static __inline int nlm_is_xlp8xx(void)
97 {
98 int prid = nlm_processor_id();
99
100 return (prid == CHIP_PROCESSOR_ID_XLP_8XX ||
101 prid == CHIP_PROCESSOR_ID_XLP_432 ||
102 prid == CHIP_PROCESSOR_ID_XLP_416);
103 }
104
105 static __inline int nlm_is_xlp8xx_ax(void)
106 {
107 uint32_t procid = mips_rd_prid();
108 int prid = (procid >> 8) & 0xff;
109 int rev = procid & 0xff;
110
111 return ((prid == CHIP_PROCESSOR_ID_XLP_8XX ||
112 prid == CHIP_PROCESSOR_ID_XLP_432 ||
113 prid == CHIP_PROCESSOR_ID_XLP_416) &&
114 (rev < XLP_REVISION_B0));
115 }
116
117 static __inline int nlm_is_xlp8xx_b0(void)
118 {
119 uint32_t procid = mips_rd_prid();
120 int prid = (procid >> 8) & 0xff;
121 int rev = procid & 0xff;
122
123 return ((prid == CHIP_PROCESSOR_ID_XLP_8XX ||
124 prid == CHIP_PROCESSOR_ID_XLP_432 ||
125 prid == CHIP_PROCESSOR_ID_XLP_416) &&
126 rev == XLP_REVISION_B0);
127 }
128
129 static __inline int xlp_socdev_irt(uint32_t offset)
130 {
131 uint64_t base;
132
133 base = nlm_pcicfg_base(offset);
134 return (nlm_irtstart(base));
135 }
136 #endif /* LOCORE */
137 #endif /* __NLM_XLP_H__ */
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