2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
  14  */
  15 
  16 /*
  17  * Broadcom 2836 board specific functions.
  18  */
  19 
  20 #include <vm/vm_dep.h>
  21 
  22 void
  23 armv7_bsmdep_l2cacheinfo(void)
  24 {
  25         /*
  26          * Per the BCM 2836 ARM peripherals manual, the L2 cache on the BCM
  27          * 2836 is actually used by the GPU, and from the CPU point of view,
  28          * we don't have one.
  29          *
  30          * This can be toggled on the rPi, but it appears that that toggling
  31          * can't be probed for.
  32          *
  33          * At present, we set these variables as if we owned the l2,
  34          * regardless of whether we in fact do.  This might be a terrible
  35          * idea.
  36          *
  37          * XXX: It might be reasonable to demand that we (the CPU) have the l2
  38          * cache, although since it is off-chip this may actually hinder
  39          * performance.
  40          */
  41 
  42         armv6_l2cache_linesz = 32;
  43         /* 128K per the BCM2836 manual, though we by default see none of it */
  44         armv6_l2cache_size = 0x20000;
  45 }

   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright (c) 2014 Joyent, Inc.  All rights reserved.
  14  */
  15 
  16 /*
  17  * Broadcom 2836 board specific functions.
  18  */
  19 
  20 #include <vm/vm_dep.h>
  21