at91_common.c revision 270105
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 270105 2014-08-17 16:53:19Z imp $"); 28269958Simp 29269958Simp#define _ARM32_BUS_DMA_PRIVATE 30269958Simp#include <sys/param.h> 31269958Simp#include <sys/systm.h> 32269958Simp#include <vm/vm.h> 33269958Simp#include <machine/devmap.h> 34269958Simp#include <machine/machdep.h> 35270080Sian#include <machine/platform.h> 36269958Simp#include <arm/at91/at91var.h> 37269958Simp#include <arm/at91/at91soc.h> 38269958Simp#include <arm/at91/at91_aicreg.h> 39269958Simp#include <dev/fdt/fdt_common.h> 40269958Simp#include <dev/ofw/openfirm.h> 41269958Simp#include <machine/fdt.h> 42269958Simp 43269958Simpextern const struct arm_devmap_entry at91_devmap[]; 44269958Simpextern struct bus_space at91_bs_tag; 45269958Simpbus_space_tag_t fdtbus_bs_tag = &at91_bs_tag; 46269958Simp 47269958Simpstruct fdt_fixup_entry fdt_fixup_table[] = { 48269958Simp { NULL, NULL } 49269958Simp}; 50269958Simp 51269958Simpstatic int 52269958Simpfdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, 53269958Simp int *pol) 54269958Simp{ 55269958Simp int offset; 56269958Simp 57269958Simp if (fdt_is_compatible(node, "atmel,at91rm9200-aic")) 58269958Simp offset = 0; 59269958Simp else 60269958Simp return (ENXIO); 61269958Simp 62269958Simp *interrupt = fdt32_to_cpu(intr[0]) + offset; 63269958Simp *trig = INTR_TRIGGER_CONFORM; 64269958Simp *pol = INTR_POLARITY_CONFORM; 65269958Simp 66269958Simp return (0); 67270105Simpu} 68269958Simp 69269958Simpfdt_pic_decode_t fdt_pic_table[] = { 70269958Simp &fdt_aic_decode_ic, 71269958Simp NULL 72269958Simp}; 73269958Simp 74269958Simpstatic void 75269958Simpat91_eoi(void *unused) 76269958Simp{ 77269958Simp uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR); 78269958Simp 79269958Simp *eoicr = 0; 80269958Simp} 81269958Simp 82269958Simp 83269958Simpvm_offset_t 84270080Sianplatform_lastaddr(void) 85269958Simp{ 86269958Simp 87269958Simp return (arm_devmap_lastaddr()); 88269958Simp} 89269958Simp 90269958Simpvoid 91270080Sianplatform_probe_and_attach(void) 92269958Simp{ 93269958Simp 94269958Simp arm_post_filter = at91_eoi; 95269958Simp at91_soc_id(); 96269958Simp} 97269958Simp 98269958Simpint 99270080Sianplatform_devmap_init(void) 100269958Simp{ 101269958Simp 102269958Simp// arm_devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/ 103269958Simp 104270080Sian arm_devmap_register_table(at91_devmap); 105270080Sian 106269958Simp return (0); 107269958Simp} 108269958Simp 109269958Simpvoid 110270080Sianplatform_gpio_init(void) 111269958Simp{ 112269958Simp} 113269958Simp 114269958Simpvoid 115270080Sianplatform_late_init(void) 116269958Simp{ 117269958Simp} 118