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: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45 36 */ 37 38#include "opt_platform.h" 39 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD$"); 42 43#define _ARM32_BUS_DMA_PRIVATE 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/bus.h> 47 48#include <vm/vm.h> 49#include <vm/pmap.h> 50 51#include <machine/bus.h> 52#include <machine/frame.h> /* For trapframe_t, used in <machine/machdep.h> */ 53#include <machine/machdep.h> 54#include <machine/pmap.h> 55 56#include <arm/ti/omap4/omap4_reg.h> 57 58/* Start of address space used for bootstrap map */ 59#define DEVMAP_BOOTSTRAP_MAP_START 0xF0000000 60 61void (*ti_cpu_reset)(void); 62 63vm_offset_t 64initarm_lastaddr(void) 65{ 66 67 ti_cpu_reset = NULL; 68 return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE); 69} 70 71void 72initarm_gpio_init(void) 73{ 74} 75 76void 77initarm_late_init(void) 78{ 79} 80 81#define FDT_DEVMAP_MAX (2) // FIXME 82static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = { 83 { 0, 0, 0, 0, 0, } 84}; 85 86 87/* 88 * Construct pmap_devmap[] with DT-derived config data. 89 */ 90int 91platform_devmap_init(void) 92{ 93 int i = 0; 94#if defined(SOC_OMAP4) 95 fdt_devmap[i].pd_va = 0xF8000000; 96 fdt_devmap[i].pd_pa = 0x48000000; 97 fdt_devmap[i].pd_size = 0x1000000; 98 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 99 fdt_devmap[i].pd_cache = PTE_DEVICE; 100 i++; 101#elif defined(SOC_TI_AM335X) 102 fdt_devmap[i].pd_va = 0xF4C00000; 103 fdt_devmap[i].pd_pa = 0x44C00000; /* L4_WKUP */ 104 fdt_devmap[i].pd_size = 0x400000; /* 4 MB */ 105 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 106 fdt_devmap[i].pd_cache = PTE_DEVICE; 107 i++; 108#else 109#error "Unknown SoC" 110#endif 111 112 pmap_devmap_bootstrap_table = &fdt_devmap[0]; 113 return (0); 114} 115 116struct arm32_dma_range * 117bus_dma_get_range(void) 118{ 119 120 return (NULL); 121} 122 123int 124bus_dma_get_range_nb(void) 125{ 126 127 return (0); 128} 129 130void 131cpu_reset() 132{ 133 if (ti_cpu_reset) 134 (*ti_cpu_reset)(); 135 else 136 printf("no cpu_reset implementation\n"); 137 printf("Reset failed!\n"); 138 while (1); 139} 140