1 /* $NetBSD: zs_pcc.c,v 1.8 2007/12/03 15:33:26 ad Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1999 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: zs_pcc.c,v 1.8 2007/12/03 15:33:26 ad Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/proc.h> 35 #include <sys/device.h> 36 #include <sys/conf.h> 37 #include <sys/file.h> 38 #include <sys/ioctl.h> 39 #include <sys/tty.h> 40 #include <sys/time.h> 41 #include <sys/kernel.h> 42 #include <sys/syslog.h> 43 44 #include <dev/cons.h> 45 #include <dev/ic/z8530reg.h> 46 #include <machine/z8530var.h> 47 48 #include <machine/cpu.h> 49 #include <machine/autoconf.h> 50 51 #include <cesfic/cesfic/isr.h> 52 53 #include <cesfic/dev/zsvar.h> 54 55 extern void sic_enable_int __P((int, int, int, int, int)); 56 57 static int zsc_pcc_match __P((struct device *, struct cfdata *, void *)); 58 static void zsc_pcc_attach __P((struct device *, struct device *, void *)); 59 60 static char *zsbase; 61 62 CFATTACH_DECL(zsc_pcc, sizeof(struct zsc_softc), 63 zsc_pcc_match, zsc_pcc_attach, NULL, NULL); 64 65 static int 66 zsc_pcc_match(parent, cf, aux) 67 struct device *parent; 68 struct cfdata *cf; 69 void *aux; 70 { 71 return (1); 72 } 73 74 static void 75 zsc_pcc_attach(parent, self, aux) 76 struct device *parent; 77 struct device *self; 78 void *aux; 79 { 80 struct zsc_softc *zsc = (void *) self; 81 static int didintr; 82 83 if (!zsbase) 84 mainbus_map(0x58000000, 0x10000, 0, (void *)&zsbase); 85 86 /* Do common parts of SCC configuration. */ 87 zs_config(zsc, zsbase); 88 89 /* 90 * Now safe to install interrupt handlers. Note the arguments 91 * to the interrupt handlers aren't used. Note, we only do this 92 * once since both SCCs interrupt at the same level and vector. 93 */ 94 if (didintr == 0) { 95 didintr = 1; 96 (void) isrlink(zshard, zsc, 4, ISRPRI_TTY); 97 sic_enable_int(19, 0, 4, 4, 0); 98 } 99 zsc->zsc_softintr_cookie = softint_establish(SOFTINT_SERIAL, 100 (void (*)(void *))zsc_intr_soft, zsc); 101 102 zs_write_reg(zsc->zsc_cs[0], 2, 0x18 + ZSHARD_PRI); 103 zs_write_reg(zsc->zsc_cs[0], 9, ZSWR9_MASTER_IE); 104 } 105 106 void 107 zs_cnattach(base) 108 void *base; 109 { 110 zsbase = base; 111 112 zs_cninit(zsbase); 113 } 114