1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com> 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/devmap.h> 38 39#include <vm/vm.h> 40 41#include <dev/ofw/openfirm.h> 42 43#include <machine/armreg.h> 44#include <machine/bus.h> 45#include <machine/fdt.h> 46#include <machine/machdep.h> 47#include <machine/platform.h> 48#include <machine/platformvar.h> 49 50#include <arm/samsung/exynos/exynos5_mp.h> 51 52#include "platform_if.h" 53 54static platform_devmap_init_t exynos5_devmap_init; 55static platform_cpu_reset_t exynos5_cpu_reset; 56 57static int 58exynos5_devmap_init(platform_t plat) 59{ 60 61 /* CHIP ID */ 62 devmap_add_entry(0x10000000, 0x100000); 63 64 /* UART */ 65 devmap_add_entry(0x12C00000, 0x100000); 66 67 /* DWMMC */ 68 devmap_add_entry(0x12200000, 0x100000); 69 70 return (0); 71} 72 73static void 74exynos5_cpu_reset(platform_t plat) 75{ 76 bus_space_handle_t bsh; 77 78 bus_space_map(fdtbus_bs_tag, 0x10040400, 0x1000, 0, &bsh); 79 bus_space_write_4(fdtbus_bs_tag, bsh, 0, 1); 80 81 while (1); 82} 83 84static platform_method_t exynos5_methods[] = { 85 PLATFORMMETHOD(platform_devmap_init, exynos5_devmap_init), 86 PLATFORMMETHOD(platform_cpu_reset, exynos5_cpu_reset), 87 88#ifdef SMP 89 PLATFORMMETHOD(platform_mp_start_ap, exynos5_mp_start_ap), 90 PLATFORMMETHOD(platform_mp_setmaxid, exynos5_mp_setmaxid), 91#endif 92 93 PLATFORMMETHOD_END, 94}; 95 96FDT_PLATFORM_DEF(exynos5, "exynos5", 0, "samsung,exynos5", 200); 97