imx51_axi.c revision 1.2.6.2
1 1.2.6.2 rmind /* $NetBSD: imx51_axi.c,v 1.2.6.2 2011/03/05 20:49:34 rmind Exp $ */ 2 1.2.6.2 rmind 3 1.2.6.2 rmind /*- 4 1.2.6.2 rmind * Copyright (c) 2010 SHIMIZU Ryo <ryo (at) nerv.org> 5 1.2.6.2 rmind * All rights reserved. 6 1.2.6.2 rmind * 7 1.2.6.2 rmind * Redistribution and use in source and binary forms, with or without 8 1.2.6.2 rmind * modification, are permitted provided that the following conditions 9 1.2.6.2 rmind * are met: 10 1.2.6.2 rmind * 1. Redistributions of source code must retain the above copyright 11 1.2.6.2 rmind * notice, this list of conditions and the following disclaimer. 12 1.2.6.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.6.2 rmind * notice, this list of conditions and the following disclaimer in the 14 1.2.6.2 rmind * documentation and/or other materials provided with the distribution. 15 1.2.6.2 rmind * 16 1.2.6.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.2.6.2 rmind * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 1.2.6.2 rmind * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 1.2.6.2 rmind * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 1.2.6.2 rmind * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 1.2.6.2 rmind * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 1.2.6.2 rmind * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.6.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 1.2.6.2 rmind * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 1.2.6.2 rmind * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.2.6.2 rmind * POSSIBILITY OF SUCH DAMAGE. 27 1.2.6.2 rmind */ 28 1.2.6.2 rmind 29 1.2.6.2 rmind #include <sys/cdefs.h> 30 1.2.6.2 rmind __KERNEL_RCSID(0, "$NetBSD: imx51_axi.c,v 1.2.6.2 2011/03/05 20:49:34 rmind Exp $"); 31 1.2.6.2 rmind 32 1.2.6.2 rmind #include <sys/param.h> 33 1.2.6.2 rmind #include <sys/bus.h> 34 1.2.6.2 rmind #include <sys/device.h> 35 1.2.6.2 rmind 36 1.2.6.2 rmind #include <uvm/uvm_extern.h> 37 1.2.6.2 rmind 38 1.2.6.2 rmind #include <arm/imx/imx51reg.h> 39 1.2.6.2 rmind #include <arm/imx/imx51var.h> 40 1.2.6.2 rmind 41 1.2.6.2 rmind #include "locators.h" 42 1.2.6.2 rmind 43 1.2.6.2 rmind struct axi_softc { 44 1.2.6.2 rmind device_t sc_dev; 45 1.2.6.2 rmind bus_space_tag_t sc_iot; 46 1.2.6.2 rmind bus_dma_tag_t sc_dmat; 47 1.2.6.2 rmind }; 48 1.2.6.2 rmind 49 1.2.6.2 rmind static int axi_match(device_t, struct cfdata *, void *); 50 1.2.6.2 rmind static void axi_attach(device_t, device_t, void *); 51 1.2.6.2 rmind static int axi_search(device_t, struct cfdata *, const int *, void *); 52 1.2.6.2 rmind static int axi_critical_search(device_t, struct cfdata *, const int *, void *); 53 1.2.6.2 rmind static int axi_search(device_t, struct cfdata *, const int *, void *); 54 1.2.6.2 rmind static int axi_print(void *, const char *); 55 1.2.6.2 rmind 56 1.2.6.2 rmind CFATTACH_DECL_NEW(axi, sizeof(struct axi_softc), 57 1.2.6.2 rmind axi_match, axi_attach, NULL, NULL); 58 1.2.6.2 rmind 59 1.2.6.2 rmind /* ARGSUSED */ 60 1.2.6.2 rmind static int 61 1.2.6.2 rmind axi_match(device_t parent __unused, struct cfdata *match __unused, 62 1.2.6.2 rmind void *aux __unused) 63 1.2.6.2 rmind { 64 1.2.6.2 rmind return 1; 65 1.2.6.2 rmind } 66 1.2.6.2 rmind 67 1.2.6.2 rmind /* ARGSUSED */ 68 1.2.6.2 rmind static void 69 1.2.6.2 rmind axi_attach(device_t parent __unused, device_t self, void *aux __unused) 70 1.2.6.2 rmind { 71 1.2.6.2 rmind struct axi_softc *sc; 72 1.2.6.2 rmind struct axi_attach_args aa; 73 1.2.6.2 rmind 74 1.2.6.2 rmind aprint_normal(": Advanced eXtensible Interface\n"); 75 1.2.6.2 rmind aprint_naive("\n"); 76 1.2.6.2 rmind 77 1.2.6.2 rmind sc = device_private(self); 78 1.2.6.2 rmind sc->sc_iot = &imx_bs_tag; 79 1.2.6.2 rmind #if NBUS_DMA_GENERIC > 0 80 1.2.6.2 rmind sc->sc_dmat = &imx_bus_dma_tag; 81 1.2.6.2 rmind #else 82 1.2.6.2 rmind sc->sc_dmat = 0; 83 1.2.6.2 rmind #endif 84 1.2.6.2 rmind 85 1.2.6.2 rmind aa.aa_name = "axi"; 86 1.2.6.2 rmind aa.aa_iot = sc->sc_iot; 87 1.2.6.2 rmind aa.aa_dmat = sc->sc_dmat; 88 1.2.6.2 rmind config_search_ia(axi_critical_search, self, "axi", &aa); 89 1.2.6.2 rmind config_search_ia(axi_search, self, "axi", &aa); 90 1.2.6.2 rmind } 91 1.2.6.2 rmind 92 1.2.6.2 rmind /* ARGSUSED */ 93 1.2.6.2 rmind static int 94 1.2.6.2 rmind axi_critical_search(device_t parent, struct cfdata *cf, 95 1.2.6.2 rmind const int *ldesc __unused, void *aux) 96 1.2.6.2 rmind { 97 1.2.6.2 rmind struct axi_softc *sc; 98 1.2.6.2 rmind struct axi_attach_args *aa; 99 1.2.6.2 rmind 100 1.2.6.2 rmind sc = device_private(parent); 101 1.2.6.2 rmind aa = aux; 102 1.2.6.2 rmind 103 1.2.6.2 rmind if ((strcmp(cf->cf_name, "tzic") != 0) && 104 1.2.6.2 rmind (strcmp(cf->cf_name, "imxuart") != 0) && 105 1.2.6.2 rmind (strcmp(cf->cf_name, "imxgpio") != 0)) 106 1.2.6.2 rmind return 0; 107 1.2.6.2 rmind 108 1.2.6.2 rmind aa->aa_name = cf->cf_name; 109 1.2.6.2 rmind aa->aa_addr = cf->cf_loc[AXICF_ADDR]; 110 1.2.6.2 rmind aa->aa_size = cf->cf_loc[AXICF_SIZE]; 111 1.2.6.2 rmind aa->aa_irq = cf->cf_loc[AXICF_IRQ]; 112 1.2.6.2 rmind aa->aa_irqbase = cf->cf_loc[AXICF_IRQBASE]; 113 1.2.6.2 rmind 114 1.2.6.2 rmind if (config_match(parent, cf, aux) > 0) 115 1.2.6.2 rmind config_attach(parent, cf, aux, axi_print); 116 1.2.6.2 rmind 117 1.2.6.2 rmind return 0; 118 1.2.6.2 rmind } 119 1.2.6.2 rmind 120 1.2.6.2 rmind 121 1.2.6.2 rmind /* ARGSUSED */ 122 1.2.6.2 rmind static int 123 1.2.6.2 rmind axi_search(device_t parent, struct cfdata *cf, const int *ldesc __unused, 124 1.2.6.2 rmind void *aux) 125 1.2.6.2 rmind { 126 1.2.6.2 rmind struct axi_softc *sc; 127 1.2.6.2 rmind struct axi_attach_args *aa; 128 1.2.6.2 rmind 129 1.2.6.2 rmind sc = device_private(parent); 130 1.2.6.2 rmind aa = aux; 131 1.2.6.2 rmind 132 1.2.6.2 rmind aa->aa_addr = cf->cf_loc[AXICF_ADDR]; 133 1.2.6.2 rmind aa->aa_size = cf->cf_loc[AXICF_SIZE]; 134 1.2.6.2 rmind aa->aa_irq = cf->cf_loc[AXICF_IRQ]; 135 1.2.6.2 rmind aa->aa_irqbase = cf->cf_loc[AXICF_IRQBASE]; 136 1.2.6.2 rmind 137 1.2.6.2 rmind if (config_match(parent, cf, aux) > 0) 138 1.2.6.2 rmind config_attach(parent, cf, aux, axi_print); 139 1.2.6.2 rmind 140 1.2.6.2 rmind return 0; 141 1.2.6.2 rmind } 142 1.2.6.2 rmind 143 1.2.6.2 rmind /* ARGSUSED */ 144 1.2.6.2 rmind static int 145 1.2.6.2 rmind axi_print(void *aux, const char *name __unused) 146 1.2.6.2 rmind { 147 1.2.6.2 rmind struct axi_attach_args *aa = (struct axi_attach_args *)aux; 148 1.2.6.2 rmind 149 1.2.6.2 rmind if (aa->aa_addr != AXICF_ADDR_DEFAULT) { 150 1.2.6.2 rmind aprint_normal(" addr 0x%lx", aa->aa_addr); 151 1.2.6.2 rmind if (aa->aa_size > AXICF_SIZE_DEFAULT) 152 1.2.6.2 rmind aprint_normal("-0x%lx", 153 1.2.6.2 rmind aa->aa_addr + aa->aa_size-1); 154 1.2.6.2 rmind } 155 1.2.6.2 rmind if (aa->aa_irq != AXICF_IRQ_DEFAULT) 156 1.2.6.2 rmind aprint_normal(" intr %d", aa->aa_irq); 157 1.2.6.2 rmind if (aa->aa_irqbase != AXICF_IRQBASE_DEFAULT) 158 1.2.6.2 rmind aprint_normal(" irqbase %d", aa->aa_irqbase); 159 1.2.6.2 rmind 160 1.2.6.2 rmind return (UNCONF); 161 1.2.6.2 rmind } 162
Indexes created Tue Oct 14 21:09:58 GMT 2025