1 /* $NetBSD: tegra_soc.c,v 1.15 2018/04/01 04:35:04 ryo Exp $ */ 2 3 /*- 4 * Copyright (c) 2015 Jared D. McNeill <jmcneill@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 1.15 2018/04/01 04:35:04 ryo 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_host1x_bsh; 51 bus_space_handle_t tegra_ppsb_bsh; 52 bus_space_handle_t tegra_apb_bsh; 53 bus_space_handle_t tegra_ahb_a2_bsh; 54 55 void 56 tegra_bootstrap(void) 57 { 58 extern struct bus_space arm_generic_bs_tag; 59 bus_space_tag_t bst = &arm_generic_bs_tag; 60 61 if (bus_space_map(bst, TEGRA_HOST1X_BASE, TEGRA_HOST1X_SIZE, 0, 62 &tegra_host1x_bsh) != 0) 63 panic("couldn't map HOST1X"); 64 if (bus_space_map(bst, TEGRA_PPSB_BASE, TEGRA_PPSB_SIZE, 0, 65 &tegra_ppsb_bsh) != 0) 66 panic("couldn't map PPSB"); 67 if (bus_space_map(bst, TEGRA_APB_BASE, TEGRA_APB_SIZE, 0, 68 &tegra_apb_bsh) != 0) 69 panic("couldn't map APB"); 70 if (bus_space_map(bst, TEGRA_AHB_A2_BASE, TEGRA_AHB_A2_SIZE, 0, 71 &tegra_ahb_a2_bsh) != 0) 72 panic("couldn't map AHB A2"); 73 } 74