at91_common.c revision 295509
1270105Simp/*- 2270105Simp * Copyright (c) 2014 M. Warner Losh. All rights reserved. 3270105Simp * 4270105Simp * Redistribution and use in source and binary forms, with or without 5270105Simp * modification, are permitted provided that the following conditions 6270105Simp * are met: 7270105Simp * 1. Redistributions of source code must retain the above copyright 8270105Simp * notice, this list of conditions and the following disclaimer. 9270105Simp * 2. Redistributions in binary form must reproduce the above copyright 10270105Simp * notice, this list of conditions and the following disclaimer in the 11270105Simp * documentation and/or other materials provided with the distribution. 12270105Simp * 13270105Simp * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14270105Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15270105Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16270105Simp * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17270105Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18270105Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19270105Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20270105Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21270105Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22270105Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23270105Simp * SUCH DAMAGE. 24270105Simp */ 25270105Simp 26269958Simp#include <sys/cdefs.h> 27269958Simp__FBSDID("$FreeBSD: head/sys/arm/at91/at91_common.c 295509 2016-02-11 11:49:27Z andrew $"); 28269958Simp 29269958Simp#define _ARM32_BUS_DMA_PRIVATE 30269958Simp#include <sys/param.h> 31269958Simp#include <sys/systm.h> 32281091Sandrew#include <sys/bus.h> 33281091Sandrew 34269958Simp#include <vm/vm.h> 35281091Sandrew 36269958Simp#include <machine/devmap.h> 37281091Sandrew#include <machine/intr.h> 38269958Simp#include <machine/machdep.h> 39270080Sian#include <machine/platform.h> 40281091Sandrew 41269958Simp#include <arm/at91/at91var.h> 42269958Simp#include <arm/at91/at91soc.h> 43269958Simp#include <arm/at91/at91_aicreg.h> 44281091Sandrew 45269958Simp#include <dev/fdt/fdt_common.h> 46269958Simp#include <dev/ofw/openfirm.h> 47281091Sandrew 48269958Simp#include <machine/fdt.h> 49269958Simp 50269958Simpextern const struct arm_devmap_entry at91_devmap[]; 51269958Simp 52269958Simpstruct fdt_fixup_entry fdt_fixup_table[] = { 53269958Simp { NULL, NULL } 54269958Simp}; 55269958Simp 56295509Sandrew#ifndef ARM_INTRNG 57269958Simpstatic int 58269958Simpfdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, 59269958Simp int *pol) 60269958Simp{ 61269958Simp int offset; 62269958Simp 63269958Simp if (fdt_is_compatible(node, "atmel,at91rm9200-aic")) 64269958Simp offset = 0; 65269958Simp else 66269958Simp return (ENXIO); 67269958Simp 68269958Simp *interrupt = fdt32_to_cpu(intr[0]) + offset; 69269958Simp *trig = INTR_TRIGGER_CONFORM; 70269958Simp *pol = INTR_POLARITY_CONFORM; 71269958Simp 72269958Simp return (0); 73270110Sbz} 74269958Simp 75269958Simpfdt_pic_decode_t fdt_pic_table[] = { 76269958Simp &fdt_aic_decode_ic, 77269958Simp NULL 78269958Simp}; 79295509Sandrew#endif 80269958Simp 81269958Simpstatic void 82269958Simpat91_eoi(void *unused) 83269958Simp{ 84269958Simp uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR); 85269958Simp 86269958Simp *eoicr = 0; 87269958Simp} 88269958Simp 89269958Simp 90269958Simpvm_offset_t 91270080Sianplatform_lastaddr(void) 92269958Simp{ 93269958Simp 94269958Simp return (arm_devmap_lastaddr()); 95269958Simp} 96269958Simp 97269958Simpvoid 98270080Sianplatform_probe_and_attach(void) 99269958Simp{ 100269958Simp 101269958Simp arm_post_filter = at91_eoi; 102269958Simp at91_soc_id(); 103269958Simp} 104269958Simp 105269958Simpint 106270080Sianplatform_devmap_init(void) 107269958Simp{ 108269958Simp 109269958Simp// arm_devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/ 110269958Simp 111270080Sian arm_devmap_register_table(at91_devmap); 112270080Sian 113269958Simp return (0); 114269958Simp} 115269958Simp 116269958Simpvoid 117270080Sianplatform_gpio_init(void) 118269958Simp{ 119269958Simp} 120269958Simp 121269958Simpvoid 122270080Sianplatform_late_init(void) 123269958Simp{ 124269958Simp} 125