xref: /freebsd-11-stable/sys/mips/nlm/xlp.h (revision 4ab2e064d7950be84256d671a7ae93f87cc6aa36)
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  * $FreeBSD$
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 
nlm_processor_id(void)67 static __inline int nlm_processor_id(void)
68 {
69 	return ((mips_rd_prid() >> 8) & 0xff);
70 }
71 
nlm_is_xlp3xx(void)72 static __inline int nlm_is_xlp3xx(void)
73 {
74 
75 	return (nlm_processor_id() == CHIP_PROCESSOR_ID_XLP_3XX);
76 }
77 
nlm_is_xlp3xx_ax(void)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 
nlm_is_xlp4xx(void)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 
nlm_is_xlp8xx(void)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 
nlm_is_xlp8xx_ax(void)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 
nlm_is_xlp8xx_b0(void)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 
xlp_socdev_irt(uint32_t offset)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__ */
138