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>
| 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: stable/10/sys/arm/ti/ti_machdep.c 259365 2013-12-14 00:16:08Z ian $");
| 41__FBSDID("$FreeBSD: stable/10/sys/arm/ti/ti_machdep.c 266084 2014-05-14 19:18:58Z ian $");
|
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/devmap.h> 53#include <machine/machdep.h> 54 55#include <arm/ti/omap4/omap4_reg.h> 56
| 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/devmap.h> 53#include <machine/machdep.h> 54 55#include <arm/ti/omap4/omap4_reg.h> 56
|
57/* Start of address space used for bootstrap map */ 58#define DEVMAP_BOOTSTRAP_MAP_START 0xF0000000
| 57void (*ti_cpu_reset)(void) = NULL;
|
59
| 58
|
60void (*ti_cpu_reset)(void); 61
| |
62vm_offset_t 63initarm_lastaddr(void) 64{ 65
| 59vm_offset_t 60initarm_lastaddr(void) 61{ 62
|
66 return (DEVMAP_BOOTSTRAP_MAP_START);
| 63 return (arm_devmap_lastaddr());
|
67} 68 69void 70initarm_early_init(void) 71{
| 64} 65 66void 67initarm_early_init(void) 68{
|
72 73 ti_cpu_reset = NULL;
| |
74} 75 76void 77initarm_gpio_init(void) 78{ 79} 80 81void 82initarm_late_init(void) 83{ 84} 85
| 69} 70 71void 72initarm_gpio_init(void) 73{ 74} 75 76void 77initarm_late_init(void) 78{ 79} 80
|
86#define FDT_DEVMAP_MAX (2) // FIXME 87static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = { 88 { 0, 0, 0, 0, 0, } 89}; 90 91
| |
92/*
| 81/*
|
93 * Construct pmap_devmap[] with DT-derived config data.
| 82 * Construct static devmap entries to map out the most frequently used 83 * peripherals using 1mb section mappings.
|
94 */ 95int 96initarm_devmap_init(void) 97{
| 84 */ 85int 86initarm_devmap_init(void) 87{
|
98 int i = 0;
| |
99#if defined(SOC_OMAP4)
| 88#if defined(SOC_OMAP4)
|
100 fdt_devmap[i].pd_va = 0xF8000000; 101 fdt_devmap[i].pd_pa = 0x48000000; 102 fdt_devmap[i].pd_size = 0x1000000; 103 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 104 fdt_devmap[i].pd_cache = PTE_DEVICE; 105 i++;
| 89 arm_devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */ 90 arm_devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
|
106#elif defined(SOC_TI_AM335X)
| 91#elif defined(SOC_TI_AM335X)
|
107 fdt_devmap[i].pd_va = 0xF4C00000; 108 fdt_devmap[i].pd_pa = 0x44C00000; /* L4_WKUP */ 109 fdt_devmap[i].pd_size = 0x400000; /* 4 MB */ 110 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 111 fdt_devmap[i].pd_cache = PTE_DEVICE; 112 i++;
| 92 arm_devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/ 93 arm_devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB */ 94 arm_devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2 */ 95 arm_devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */ 96 arm_devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3 */ 97 arm_devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3 */ 98 arm_devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/
|
113#else 114#error "Unknown SoC" 115#endif
| 99#else 100#error "Unknown SoC" 101#endif
|
116 117 arm_devmap_register_table(&fdt_devmap[0]);
| |
118 return (0); 119} 120 121struct arm32_dma_range * 122bus_dma_get_range(void) 123{ 124 125 return (NULL); 126} 127 128int 129bus_dma_get_range_nb(void) 130{ 131 132 return (0); 133} 134 135void 136cpu_reset() 137{ 138 if (ti_cpu_reset) 139 (*ti_cpu_reset)(); 140 else 141 printf("no cpu_reset implementation\n"); 142 printf("Reset failed!\n"); 143 while (1); 144}
| 102 return (0); 103} 104 105struct arm32_dma_range * 106bus_dma_get_range(void) 107{ 108 109 return (NULL); 110} 111 112int 113bus_dma_get_range_nb(void) 114{ 115 116 return (0); 117} 118 119void 120cpu_reset() 121{ 122 if (ti_cpu_reset) 123 (*ti_cpu_reset)(); 124 else 125 printf("no cpu_reset implementation\n"); 126 printf("Reset failed!\n"); 127 while (1); 128}
|