1/*- 2 * Copyright (c) 2014 M. Warner Losh. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26#include <sys/cdefs.h> 27__FBSDID("$FreeBSD: stable/11/sys/arm/at91/at91_common.c 314506 2017-03-01 19:55:04Z ian $"); 28 29#define _ARM32_BUS_DMA_PRIVATE 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/devmap.h> 34 35#include <vm/vm.h> 36 37#include <machine/intr.h> 38#include <machine/machdep.h> 39#include <machine/platform.h> 40 41#include <arm/at91/at91var.h> 42#include <arm/at91/at91soc.h> 43#include <arm/at91/at91_aicreg.h> 44 45#include <dev/fdt/fdt_common.h> 46#include <dev/ofw/openfirm.h> 47 48#include <machine/fdt.h> 49 50extern const struct devmap_entry at91_devmap[]; 51 52#ifndef INTRNG 53static int 54fdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, 55 int *pol) 56{ 57 int offset; 58 59 if (fdt_is_compatible(node, "atmel,at91rm9200-aic")) 60 offset = 0; 61 else 62 return (ENXIO); 63 64 *interrupt = fdt32_to_cpu(intr[0]) + offset; 65 *trig = INTR_TRIGGER_CONFORM; 66 *pol = INTR_POLARITY_CONFORM; 67 68 return (0); 69} 70 71fdt_pic_decode_t fdt_pic_table[] = { 72 &fdt_aic_decode_ic, 73 NULL 74}; 75#endif 76 77static void 78at91_eoi(void *unused) 79{ 80 uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR); 81 82 *eoicr = 0; 83} 84 85 86vm_offset_t 87platform_lastaddr(void) 88{ 89 90 return (devmap_lastaddr()); 91} 92 93void 94platform_probe_and_attach(void) 95{ 96 97 arm_post_filter = at91_eoi; 98 at91_soc_id(); 99} 100 101int 102platform_devmap_init(void) 103{ 104 105// devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/ 106 107 devmap_register_table(at91_devmap); 108 109 return (0); 110} 111 112void 113platform_gpio_init(void) 114{ 115} 116 117void 118platform_late_init(void) 119{ 120} 121