1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> 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 AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, 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_platform.h" 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD$"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/bus.h> 37#include <sys/reboot.h> 38#include <sys/devmap.h> 39 40#include <vm/vm.h> 41 42#include <machine/bus.h> 43#include <machine/machdep.h> 44#include <machine/platformvar.h> 45 46#include <arm/freescale/imx/imx_machdep.h> 47 48#include "platform_if.h" 49 50static platform_attach_t imx53_attach; 51static platform_devmap_init_t imx53_devmap_init; 52static platform_cpu_reset_t imx53_cpu_reset; 53 54static int 55imx53_attach(platform_t plat) 56{ 57 58 return (0); 59} 60 61/* 62 * Set up static device mappings. This is hand-optimized platform-specific 63 * config data which covers most of the common on-chip devices with a few 1MB 64 * section mappings. 65 * 66 * Notably missing are entries for GPU, IPU, in general anything video related. 67 */ 68static int 69imx53_devmap_init(platform_t plat) 70{ 71 72 devmap_add_entry(0x50000000, 0x00100000); 73 devmap_add_entry(0x53f00000, 0x00100000); 74 devmap_add_entry(0x63f00000, 0x00100000); 75 76 return (0); 77} 78 79static void 80imx53_cpu_reset(platform_t plat) 81{ 82 83 imx_wdog_cpu_reset(0x53F98000); 84} 85 86u_int 87imx_soc_type(void) 88{ 89 return (IMXSOC_53); 90} 91 92static platform_method_t imx53_methods[] = { 93 PLATFORMMETHOD(platform_attach, imx53_attach), 94 PLATFORMMETHOD(platform_devmap_init, imx53_devmap_init), 95 PLATFORMMETHOD(platform_cpu_reset, imx53_cpu_reset), 96 97 PLATFORMMETHOD_END, 98}; 99 100FDT_PLATFORM_DEF(imx53, "i.MX53", 0, "fsl,imx53", 100); 101