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      1 /* $NetBSD: tegra_soc.c,v 1.16 2018/09/24 22:22:16 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include "opt_tegra.h"
     30 #include "opt_multiprocessor.h"
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: tegra_soc.c,v 1.16 2018/09/24 22:22:16 jmcneill Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/bus.h>
     37 #include <sys/cpu.h>
     38 #include <sys/device.h>
     39 
     40 #include <uvm/uvm_extern.h>
     41 
     42 #include <arm/bootconfig.h>
     43 #include <arm/cpufunc.h>
     44 
     45 #include <arm/nvidia/tegra_reg.h>
     46 #include <arm/nvidia/tegra_apbreg.h>
     47 #include <arm/nvidia/tegra_mcreg.h>
     48 #include <arm/nvidia/tegra_var.h>
     49 
     50 bus_space_handle_t tegra_ppsb_bsh;
     51 bus_space_handle_t tegra_apb_bsh;
     52 
     53 void
     54 tegra_bootstrap(void)
     55 {
     56 	extern struct bus_space arm_generic_bs_tag;
     57 	bus_space_tag_t bst = &arm_generic_bs_tag;
     58 
     59 	if (bus_space_map(bst, TEGRA_PPSB_BASE, TEGRA_PPSB_SIZE, 0,
     60 	    &tegra_ppsb_bsh) != 0)
     61 		panic("couldn't map PPSB");
     62 	if (bus_space_map(bst, TEGRA_APB_BASE, TEGRA_APB_SIZE, 0,
     63 	    &tegra_apb_bsh) != 0)
     64 		panic("couldn't map APB");
     65 }
     66