s3c2800.c revision 1.1
1 /* $NetBSD: s3c2800.c,v 1.1 2002/11/20 17:52:49 bsh Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Fujitsu Component Limited 5 * Copyright (c) 2002 Genetec Corporation 6 * All rights reserved. 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. Neither the name of The Fujitsu Component Limited nor the name of 17 * Genetec corporation may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC 21 * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC 25 * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 #include <sys/kernel.h> 40 #include <sys/reboot.h> 41 42 #include <machine/cpu.h> 43 #include <machine/bus.h> 44 45 #include <arm/cpufunc.h> 46 #include <arm/mainbus/mainbus.h> 47 #include <arm/s3c2xx0/s3c2800reg.h> 48 #include <arm/s3c2xx0/s3c2800var.h> 49 50 #include "locators.h" 51 52 /* prototypes */ 53 static int s3c2800_match(struct device *, struct cfdata *, void *); 54 static void s3c2800_attach(struct device *, struct device *, void *); 55 static int s3c2800_search(struct device *, struct cfdata *, void *); 56 57 /* attach structures */ 58 CFATTACH_DECL(ssio, sizeof(struct s3c2800_softc), s3c2800_match, s3c2800_attach, 59 NULL, NULL); 60 61 extern struct bus_space s3c2xx0_bs_tag; 62 63 struct s3c2xx0_softc *s3c2xx0_softc; 64 65 static int 66 s3c2800_print(void *aux, const char *name) 67 { 68 struct s3c2xx0_attach_args *sa = (struct s3c2xx0_attach_args *) aux; 69 70 if (sa->sa_size) 71 printf(" addr 0x%lx", sa->sa_addr); 72 if (sa->sa_size > 1) 73 printf("-0x%lx", sa->sa_addr + sa->sa_size - 1); 74 if (sa->sa_intr != SSIOCF_INTR_DEFAULT) 75 printf(" intr %d", sa->sa_intr); 76 if (sa->sa_index != SSIOCF_INDEX_DEFAULT) 77 printf(" unit %d", sa->sa_index); 78 79 return (UNCONF); 80 } 81 82 int 83 s3c2800_match(struct device *parent, struct cfdata *match, void *aux) 84 { 85 return 1; 86 } 87 88 void 89 s3c2800_attach(struct device *parent, struct device *self, void *aux) 90 { 91 struct s3c2800_softc *sc = (struct s3c2800_softc *) self; 92 bus_space_tag_t iot; 93 const char *which_registers; /* for panic message */ 94 95 #define FAIL(which) do { \ 96 which_registers=(which); goto abort; }while(/*CONSTCOND*/0) 97 98 s3c2xx0_softc = &(sc->sc_sx); 99 sc->sc_sx.sc_iot = iot = &s3c2xx0_bs_tag; 100 101 if (bus_space_map(iot, 102 S3C2800_INTCTL_BASE, S3C2800_INTCTL_SIZE, 103 BUS_SPACE_MAP_LINEAR, &sc->sc_sx.sc_intctl_ioh)) 104 FAIL("intc"); 105 /* tell register addresses to interrupt handler */ 106 s3c2800_intr_init(sc); 107 108 /* Map the GPIO registers */ 109 if (bus_space_map(iot, S3C2800_GPIO_BASE, S3C2800_GPIO_SIZE, 110 0, &sc->sc_sx.sc_gpio_ioh)) 111 FAIL("GPIO"); 112 113 #if 0 114 /* Map the DMA controller registers */ 115 if (bus_space_map(iot, S3C2800_DMAC_BASE, S3C2800_DMAC_SIZE, 116 0, &sc->sc_sx.sc_dmach)) 117 FAIL("DMAC"); 118 #endif 119 120 /* Memory controller */ 121 if (bus_space_map(iot, S3C2800_MEMCTL_BASE, 122 S3C2800_MEMCTL_SIZE, 0, &sc->sc_sx.sc_memctl_ioh)) 123 FAIL("MEMC"); 124 /* Clock manager */ 125 if (bus_space_map(iot, S3C2800_CLKMAN_BASE, 126 S3C2800_CLKMAN_SIZE, 0, &sc->sc_sx.sc_clkman_ioh)) 127 FAIL("CLK"); 128 129 #if 0 130 /* Real time clock */ 131 if (bus_space_map(iot, S3C2800_RTC_BASE, 132 S3C2800_RTC_SIZE, 0, &sc->sc_sx.sc_rtc_ioh)) 133 FAIL("RTC"); 134 #endif 135 136 if (bus_space_map(iot, S3C2800_TIMER0_BASE, 137 S3C2800_TIMER_SIZE, 0, &sc->sc_tmr0_ioh)) 138 FAIL("TIMER0"); 139 140 if (bus_space_map(iot, S3C2800_TIMER1_BASE, 141 S3C2800_TIMER_SIZE, 0, &sc->sc_tmr1_ioh)) 142 FAIL("TIMER0"); 143 144 145 printf("\n"); 146 147 148 /* 149 * Attach devices. 150 */ 151 config_search(s3c2800_search, self, NULL); 152 return; 153 154 abort: 155 panic("%s: unable to map %s registers", 156 self->dv_xname, which_registers); 157 158 #undef FAIL 159 } 160 161 int 162 s3c2800_search(struct device * parent, struct cfdata * cf, void *aux) 163 { 164 struct s3c2800_softc *sc = (struct s3c2800_softc *) parent; 165 struct s3c2xx0_attach_args aa; 166 167 aa.sa_sc = sc; 168 aa.sa_iot = sc->sc_sx.sc_iot; 169 aa.sa_addr = cf->cf_loc[SSIOCF_ADDR]; 170 aa.sa_size = cf->cf_loc[SSIOCF_SIZE]; 171 aa.sa_index = cf->cf_loc[SSIOCF_INDEX]; 172 aa.sa_intr = cf->cf_loc[SSIOCF_INTR]; 173 174 if (config_match(parent, cf, &aa)) 175 config_attach(parent, cf, &aa, s3c2800_print); 176 177 return 0; 178 } 179 180 void 181 s3c2800_softreset(void) 182 { 183 /* XXX */ 184 } 185
Indexes created Mon Sep 29 21:09:56 GMT 2025