rk30xx_machdep.c revision 259365
1/*- 2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> 3 * All rights reserved. 4 * 5 * This code is derived from software written for Brini by Mark Brinicombe 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 * from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c 29 */ 30 31#include "opt_ddb.h" 32#include "opt_platform.h" 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: stable/10/sys/arm/rockchip/rk30xx_machdep.c 259365 2013-12-14 00:16:08Z ian $"); 36 37#define _ARM32_BUS_DMA_PRIVATE 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/bus.h> 41 42#include <vm/vm.h> 43#include <vm/pmap.h> 44 45#include <machine/armreg.h> 46#include <machine/bus.h> 47#include <machine/devmap.h> 48#include <machine/machdep.h> 49 50#include <dev/fdt/fdt_common.h> 51 52/* Start of address space used for bootstrap map */ 53#define DEVMAP_BOOTSTRAP_MAP_START 0xF0000000 54 55vm_offset_t 56initarm_lastaddr(void) 57{ 58 59 return (DEVMAP_BOOTSTRAP_MAP_START); 60} 61 62void 63initarm_early_init(void) 64{ 65 66} 67 68void 69initarm_gpio_init(void) 70{ 71} 72 73void 74initarm_late_init(void) 75{ 76 77 /* Enable cache */ 78 cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE, 79 CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE); 80} 81 82#define FDT_DEVMAP_MAX (1 + 2 + 1 + 1) 83static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = { 84 { 0, 0, 0, 0, 0, } 85}; 86 87/* 88 * Construct pmap_devmap[] with DT-derived config data. 89 */ 90int 91initarm_devmap_init(void) 92{ 93 int i = 0; 94 95 fdt_devmap[i].pd_va = 0xF0000000; 96 fdt_devmap[i].pd_pa = 0x20000000; 97 fdt_devmap[i].pd_size = 0x100000; 98 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 99 fdt_devmap[i].pd_cache = PTE_DEVICE; 100 i++; 101 102 arm_devmap_register_table(&fdt_devmap[0]); 103 104 return (0); 105} 106 107struct arm32_dma_range * 108bus_dma_get_range(void) 109{ 110 111 return (NULL); 112} 113 114int 115bus_dma_get_range_nb(void) 116{ 117 118 return (0); 119} 120 121void 122cpu_reset() 123{ 124 125 printf("No cpu_reset implementation!\n"); 126 while (1); 127} 128