1/*- 2 * Copyright (c) 1994-1998 Mark Brinicombe. 3 * Copyright (c) 1994 Brini. 4 * All rights reserved. 5 * 6 * This code is derived from software written for Brini by Mark Brinicombe 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Brini. 19 * 4. The name of the company nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: FreeBSD: sys/arm/lpc/lpc_machdep.c 36 */ 37 38#include "opt_ddb.h" 39#include "opt_platform.h" 40 41#include <sys/cdefs.h> 42__FBSDID("$FreeBSD$"); 43 44#define _ARM32_BUS_DMA_PRIVATE 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/bus.h> 48#include <sys/reboot.h> 49#include <sys/devmap.h> 50 51#include <vm/vm.h> 52#include <vm/pmap.h> 53 54#include <machine/bus.h> 55#include <machine/fdt.h> 56#include <machine/machdep.h> 57#include <machine/platform.h> 58#include <machine/cpu.h> 59 60#include <arm/ralink/rt1310reg.h> 61#include <arm/ralink/rt1310var.h> 62 63#include <dev/fdt/fdt_common.h> 64 65#ifdef EARLY_PRINTF 66early_putc_t *early_putc; 67#endif 68 69 70uint32_t rt1310_master_clock; 71 72vm_offset_t 73platform_lastaddr(void) 74{ 75 76 return (devmap_lastaddr()); 77} 78 79void 80platform_probe_and_attach(void) 81{ 82} 83 84void 85platform_gpio_init(void) 86{ 87 88 /* 89 * Set initial values of GPIO output ports 90 */ 91} 92 93void 94platform_late_init(void) 95{ 96 bootverbose = 1; 97} 98 99/* 100 * Add a single static device mapping. 101 * The values used were taken from the ranges property of the SoC node in the 102 * dts file when this code was converted to arm_devmap_add_entry(). 103 */ 104int 105platform_devmap_init(void) 106{ 107 devmap_add_entry(0x19C00000, 0xE0000); 108 devmap_add_entry(0x1e800000, 0x800000); 109 devmap_add_entry(0x1f000000, 0x400000); 110 return (0); 111} 112 113struct arm32_dma_range * 114bus_dma_get_range(void) 115{ 116 117 return (NULL); 118} 119 120int 121bus_dma_get_range_nb(void) 122{ 123 124 return (0); 125} 126 127void 128cpu_reset(void) 129{ 130 bus_space_tag_t bst; 131 bus_space_handle_t bsh; 132 133 bst = fdtbus_bs_tag; 134 135 /* Enable WDT */ 136 /* Instant assert of RESETOUT_N with pulse length 1ms */ 137 bus_space_map(bst, 0x1e8c0000, 0x20000, 0, &bsh); 138 bus_space_write_4(bst, bsh, 0, 13000); 139 bus_space_write_4(bst, bsh, 8, (1<<3) | (1<<4) | 7); 140 bus_space_unmap(bst, bsh, 0x20000); 141 142 for (;;) 143 continue; 144} 145 146#ifdef RALINK_BOOT_DEBUG 147void bootdebug1(int c); 148void bootdebug1(int c) 149{ 150 /* direct put uart physical address */ 151 uint8_t* uart_base_addr=(uint8_t*)0x1e840000; 152 *(uart_base_addr) = c; 153} 154 155void bootdebug2(int c); 156void bootdebug2(int c) 157{ 158#if defined(SOCDEV_PA) && defined(SOCDEV_VA) 159 /* direct put uart map address at locore-v4.S */ 160 uint8_t* uart_base_addr=(uint8_t*)0xce840000; 161 *(uart_base_addr) = c; 162#endif 163} 164 165void bootdebug3(int c); 166void bootdebug3(int c) 167{ 168 bus_space_tag_t bst; 169 bus_space_handle_t bsh; 170 171 bst = fdtbus_bs_tag; 172 bus_space_map(bst, 0x1e840000, 0x20000, 0, &bsh); 173 bus_space_write_1(bst, bsh, 0, c); 174 bus_space_unmap(bst, bsh, 0x20000); 175} 176#endif 177