The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/mips/nlm/xlp.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
    5  * reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions are
    9  * met:
   10  *
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in
   15  *    the documentation and/or other materials provided with the
   16  *    distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
   22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   28  * THE POSSIBILITY OF SUCH DAMAGE.
   29  *
   30  * NETLOGIC_BSD
   31  * $FreeBSD: stable/12/sys/mips/nlm/xlp.h 326259 2017-11-27 15:07:26Z pfg $
   32  */
   33 
   34 #ifndef __NLM_XLP_H__
   35 #define __NLM_XLP_H__
   36 #include <mips/nlm/hal/mips-extns.h>
   37 #include <mips/nlm/hal/iomap.h>
   38 
   39 /* XLP 8xx/4xx A0, A1, A2 CPU COP0 PRIDs */
   40 #define CHIP_PROCESSOR_ID_XLP_8XX               0x10
   41 #define CHIP_PROCESSOR_ID_XLP_3XX               0x11
   42 #define CHIP_PROCESSOR_ID_XLP_416               0x94
   43 #define CHIP_PROCESSOR_ID_XLP_432               0x14
   44 
   45 /* Revision id's */
   46 #define XLP_REVISION_A0                         0x00
   47 #define XLP_REVISION_A1                         0x01
   48 #define XLP_REVISION_A2                         0x02
   49 #define XLP_REVISION_B0                         0x03
   50 #define XLP_REVISION_B1                         0x04
   51 
   52 #ifndef LOCORE
   53 /*
   54  * FreeBSD can be started with few threads and cores turned off,
   55  * so have a hardware thread id to FreeBSD cpuid mapping.
   56  */
   57 extern int xlp_ncores;
   58 extern int xlp_threads_per_core;
   59 extern uint32_t xlp_hw_thread_mask;
   60 extern int xlp_cpuid_to_hwtid[];
   61 extern int xlp_hwtid_to_cpuid[];
   62 #ifdef SMP
   63 extern void xlp_enable_threads(int code);
   64 #endif
   65 uint32_t xlp_get_cpu_frequency(int node, int core);
   66 int nlm_set_device_frequency(int node, int devtype, int frequency);
   67 int xlp_irq_to_irt(int irq);
   68 
   69 static __inline int nlm_processor_id(void)
   70 {
   71         return ((mips_rd_prid() >> 8) & 0xff);
   72 }
   73 
   74 static __inline int nlm_is_xlp3xx(void)
   75 {
   76 
   77         return (nlm_processor_id() == CHIP_PROCESSOR_ID_XLP_3XX);
   78 }
   79 
   80 static __inline int nlm_is_xlp3xx_ax(void)
   81 {
   82         uint32_t procid = mips_rd_prid();
   83         int prid = (procid >> 8) & 0xff;
   84         int rev = procid & 0xff;
   85 
   86         return (prid == CHIP_PROCESSOR_ID_XLP_3XX &&
   87                 rev < XLP_REVISION_B0);
   88 }
   89 
   90 static __inline int nlm_is_xlp4xx(void)
   91 {
   92         int prid = nlm_processor_id();
   93 
   94         return (prid == CHIP_PROCESSOR_ID_XLP_432 ||
   95             prid == CHIP_PROCESSOR_ID_XLP_416);
   96 }
   97 
   98 static __inline int nlm_is_xlp8xx(void)
   99 {
  100         int prid = nlm_processor_id();
  101 
  102         return (prid == CHIP_PROCESSOR_ID_XLP_8XX ||
  103             prid == CHIP_PROCESSOR_ID_XLP_432 ||
  104             prid == CHIP_PROCESSOR_ID_XLP_416);
  105 }
  106 
  107 static __inline int nlm_is_xlp8xx_ax(void)
  108 {
  109         uint32_t procid = mips_rd_prid();
  110         int prid = (procid >> 8) & 0xff;
  111         int rev = procid & 0xff;
  112 
  113         return ((prid == CHIP_PROCESSOR_ID_XLP_8XX ||
  114             prid == CHIP_PROCESSOR_ID_XLP_432 ||
  115             prid == CHIP_PROCESSOR_ID_XLP_416) &&
  116             (rev < XLP_REVISION_B0));
  117 }
  118 
  119 static __inline int nlm_is_xlp8xx_b0(void)
  120 {
  121         uint32_t procid = mips_rd_prid();
  122         int prid = (procid >> 8) & 0xff;
  123         int rev = procid & 0xff;
  124 
  125         return ((prid == CHIP_PROCESSOR_ID_XLP_8XX ||
  126             prid == CHIP_PROCESSOR_ID_XLP_432 ||
  127             prid == CHIP_PROCESSOR_ID_XLP_416) &&
  128                 rev == XLP_REVISION_B0);
  129 }
  130 
  131 static __inline int xlp_socdev_irt(uint32_t offset)
  132 {
  133         uint64_t base;
  134 
  135         base = nlm_pcicfg_base(offset);
  136         return (nlm_irtstart(base));
  137 }
  138 #endif /* LOCORE */
  139 #endif /* __NLM_XLP_H__ */

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