rk30xx_machdep.c revision 259324
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 256949 2013-10-23 00:39:43Z ganbold $"); 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/frame.h> /* For trapframe_t, used in <machine/machdep.h> */ 48#include <machine/machdep.h> 49#include <machine/pmap.h> 50 51#include <dev/fdt/fdt_common.h> 52 53/* Start of address space used for bootstrap map */ 54#define DEVMAP_BOOTSTRAP_MAP_START 0xF0000000 55 56vm_offset_t 57initarm_lastaddr(void) 58{ 59 60 return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE); 61} 62 63void 64initarm_gpio_init(void) 65{ 66} 67 68void 69initarm_late_init(void) 70{ 71 72 /* Enable cache */ 73 cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE, 74 CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE); 75} 76 77#define FDT_DEVMAP_MAX (1 + 2 + 1 + 1) 78static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = { 79 { 0, 0, 0, 0, 0, } 80}; 81 82/* 83 * Construct pmap_devmap[] with DT-derived config data. 84 */ 85int 86platform_devmap_init(void) 87{ 88 int i = 0; 89 90 fdt_devmap[i].pd_va = 0xF0000000; 91 fdt_devmap[i].pd_pa = 0x20000000; 92 fdt_devmap[i].pd_size = 0x100000; 93 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 94 fdt_devmap[i].pd_cache = PTE_DEVICE; 95 i++; 96 97 pmap_devmap_bootstrap_table = &fdt_devmap[0]; 98 99 return (0); 100} 101 102struct arm32_dma_range * 103bus_dma_get_range(void) 104{ 105 106 return (NULL); 107} 108 109int 110bus_dma_get_range_nb(void) 111{ 112 113 return (0); 114} 115 116void 117cpu_reset() 118{ 119 120 printf("No cpu_reset implementation!\n"); 121 while (1); 122} 123