ar5315_setup.c

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    1 /*-
    2  * Copyright (c) 2016, Hiroki Mori
    3  * Copyright (c) 2010 Adrian Chadd
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    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 the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD: releng/12.0/sys/mips/atheros/ar531x/ar5315_setup.c 306675 2016-10-04 16:27:36Z adrian $");
   30 
   31 #include "opt_ddb.h"
   32 #include "opt_ar531x.h"
   33 
   34 #include <sys/param.h>
   35 #include <sys/conf.h>
   36 #include <sys/kernel.h>
   37 #include <sys/systm.h>
   38 #include <sys/bus.h>
   39 #include <sys/cons.h>
   40 #include <sys/kdb.h>
   41 #include <sys/reboot.h>
   42  
   43 #include <vm/vm.h>
   44 #include <vm/vm_page.h>
   45  
   46 #include <net/ethernet.h>
   47  
   48 #include <machine/clock.h>
   49 #include <machine/cpu.h>
   50 #include <machine/cpuregs.h>
   51 #include <machine/hwfunc.h>
   52 #include <machine/md_var.h>
   53 #include <machine/trap.h>
   54 #include <machine/vmparam.h>
   55  
   56 #include <mips/atheros/ar531x/ar5315reg.h>
   57 #include <mips/atheros/ar531x/ar5312reg.h>
   58 #include <mips/atheros/ar531x/ar5315_setup.h>
   59 
   60 #include <mips/atheros/ar531x/ar5315_cpudef.h>
   61 
   62 #include <mips/atheros/ar531x/ar5315_chip.h>
   63 #include <mips/atheros/ar531x/ar5312_chip.h>
   64 #include <mips/atheros/ar724x_chip.h>
   65 #include <mips/atheros/ar91xx_chip.h>
   66 
   67 #include <dev/ath/ath_hal/ah_soc.h>
   68 
   69 #define AR5315_SYS_TYPE_LEN             128
   70 
   71 static char ar5315_sys_type[AR5315_SYS_TYPE_LEN];
   72 enum ar531x_soc_type ar531x_soc;
   73 struct ar5315_cpu_def * ar5315_cpu_ops = NULL;
   74 
   75 void
   76 ar5315_detect_sys_type(void)
   77 {
   78         char *chip = "????";
   79         uint32_t ver = 0;
   80         uint32_t rev = 0;
   81 #if 0
   82         const uint8_t *ptr, *end;
   83         static const struct ar531x_boarddata *board = NULL;
   84 
   85         ptr = (const uint8_t *) MIPS_PHYS_TO_KSEG1(AR5315_CONFIG_END
   86                 - 0x1000);
   87 
   88         end = (const uint8_t *)AR5315_CONFIG_BASE;
   89 
   90         for (; ptr > end; ptr -= 0x1000) {
   91                 if (*(const uint32_t *)ptr == AR531X_BD_MAGIC) {
   92                         board = (const struct ar531x_boarddata *) ptr;
   93                         rev = board->major;
   94                         break;
   95                 }
   96         }
   97 #endif
   98         int soctype;
   99 
  100 #ifdef AR531X_1ST_GENERATION
  101         soctype = AR_FIRST_GEN;
  102 #else
  103         soctype = AR_SECOND_GEN;
  104 #endif
  105 
  106         if(soctype == AR_SECOND_GEN) {
  107                 ar5315_cpu_ops = &ar5315_chip_def;
  108 
  109                 ver = ATH_READ_REG(AR5315_SYSREG_BASE +
  110                         AR5315_SYSREG_SREV);
  111 
  112                 switch (ver) {
  113                 case 0x86:
  114                         ar531x_soc = AR531X_SOC_AR5315;
  115                         chip = "2315";
  116                         break;
  117                 case 0x87:
  118                         ar531x_soc = AR531X_SOC_AR5316;
  119                         chip = "2316";
  120                         break;
  121                 case 0x90:
  122                         ar531x_soc = AR531X_SOC_AR5317;
  123                         chip = "2317";
  124                         break;
  125                 case 0x91:
  126                         ar531x_soc = AR531X_SOC_AR5318;
  127                         chip = "2318";
  128                         break;
  129                 }
  130         } else {
  131                 ar5315_cpu_ops = &ar5312_chip_def;
  132 
  133                 ver = ATH_READ_REG(AR5312_SYSREG_BASE +
  134                         AR5312_SYSREG_REVISION);
  135                 rev = AR5312_REVISION_MINOR(ver);
  136 
  137                 switch (AR5312_REVISION_MAJOR(ver)) {
  138                 case AR5312_REVISION_MAJ_AR5311:
  139                         ar531x_soc = AR531X_SOC_AR5311;
  140                         chip = "5311";
  141                         break;
  142                 case AR5312_REVISION_MAJ_AR5312:
  143                         ar531x_soc = AR531X_SOC_AR5312;
  144                         chip = "5312";
  145                         break;
  146                 case AR5312_REVISION_MAJ_AR2313:
  147                         ar531x_soc = AR531X_SOC_AR5313;
  148                         chip = "2313";
  149                         break;
  150                 }
  151         }
  152 
  153         sprintf(ar5315_sys_type, "Atheros AR%s rev %u", chip, rev);
  154 }
  155 
  156 const char *
  157 ar5315_get_system_type(void)
  158 {
  159         return ar5315_sys_type;
  160 }
  161

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FreeBSD/Linux Kernel Cross Reference sys/mips/atheros/ar531x/ar5315_setup.c

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sys/mips/atheros/ar531x/ar5315_setup.c