/* $OpenBSD: syscon.c,v 1.11 2003/06/02 07:06:56 deraadt Exp $ */ /* * Copyright (c) 1999 Steve Murphree, Jr. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * VME188 SYSCON */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct sysconreg syscon_reg = { (unsigned int *volatile)IEN0_REG, (unsigned int *volatile)IEN1_REG, (unsigned int *volatile)IEN2_REG, (unsigned int *volatile)IEN3_REG, (unsigned int *volatile)IENALL_REG, (unsigned int *volatile)IST_REG, (unsigned int *volatile)SETSWI_REG, (unsigned int *volatile)CLRSWI_REG, (unsigned int *volatile)ISTATE_REG, (unsigned int *volatile)CLRINT_REG, (unsigned char *volatile)GLB0, (unsigned char *volatile)GLB1, (unsigned char *volatile)GLB2, (unsigned char *volatile)GLB3, (unsigned int *volatile)UCSR_REG, (unsigned int *volatile)GLBRES_REG, (unsigned int *volatile)CCSR_REG, (unsigned int *volatile)ERROR_REG, (unsigned int *volatile)PCNFA_REG, (unsigned int *volatile)PCNFB_REG, (unsigned int *volatile)EXTAD_REG, (unsigned int *volatile)EXTAM_REG, (unsigned int *volatile)WHOAMI_REG, (unsigned int *volatile)WMAD_REG, (unsigned int *volatile)RMAD_REG, (unsigned int *volatile)WVAD_REG, (unsigned int *volatile)RVAD_REG, (unsigned int *volatile)CIO_PORTC, (unsigned int *volatile)CIO_PORTB, (unsigned int *volatile)CIO_PORTA, (unsigned int *volatile)CIO_CTRL }; struct sysconsoftc { struct device sc_dev; void *sc_vaddr; /* Utility I/O space */ void *sc_paddr; struct sysconreg *sc_syscon; /* the actual registers */ struct intrhand sc_abih; /* `abort' switch */ struct intrhand sc_acih; /* `ac fial' */ struct intrhand sc_sfih; /* `sys fial' */ struct intrhand sc_m188ih; /* `m188 interrupt' */ }; void sysconattach(struct device *, struct device *, void *); int sysconmatch(struct device *, void *, void *); void setupiackvectors(void); int sysconabort(void *); int sysconacfail(void *); int sysconsysfail(void *); int sysconm188(void *); struct cfattach syscon_ca = { sizeof(struct sysconsoftc), sysconmatch, sysconattach }; struct cfdriver syscon_cd = { NULL, "syscon", DV_DULL, 0 }; struct sysconreg *sys_syscon = NULL; int syscon_print(void *args, const char *bus); int syscon_scan(struct device *parent, void *child, void *args); int sysconmatch(parent, vcf, args) struct device *parent; void *vcf, *args; { struct confargs *ca = args; struct sysconreg *syscon; /* Don't match if wrong cpu */ if (brdtyp != BRD_188) return (0); /* The only one... */ /* Uh, MVME188 better have on of these, so always match if it * is a MVME188... */ syscon = (struct sysconreg *)(IIOV(ca->ca_paddr)); return (1); } int syscon_print(args, bus) void *args; const char *bus; { struct confargs *ca = args; if (ca->ca_offset != -1) printf(" offset 0x%x", ca->ca_offset); if (ca->ca_ipl > 0) printf(" ipl %d", ca->ca_ipl); return (UNCONF); } int syscon_scan(parent, child, args) struct device *parent; void *child, *args; { struct cfdata *cf = child; struct sysconsoftc *sc = (struct sysconsoftc *)parent; struct confargs oca; if (parent->dv_cfdata->cf_driver->cd_indirect) { printf(" indirect devices not supported\n"); return 0; } bzero(&oca, sizeof oca); oca.ca_offset = cf->cf_loc[0]; oca.ca_ipl = cf->cf_loc[1]; if (((int)oca.ca_offset != -1) && ISIIOVA(sc->sc_vaddr + oca.ca_offset)) { oca.ca_vaddr = sc->sc_vaddr + oca.ca_offset; oca.ca_paddr = sc->sc_paddr + oca.ca_offset; } else { oca.ca_vaddr = (void *)-1; oca.ca_paddr = (void *)-1; } oca.ca_bustype = BUS_SYSCON; oca.ca_master = (void *)sc->sc_syscon; oca.ca_name = cf->cf_driver->cd_name; if ((*cf->cf_attach->ca_match)(parent, cf, &oca) == 0) return (0); config_attach(parent, cf, &oca, syscon_print); return (1); } void sysconattach(parent, self, args) struct device *parent, *self; void *args; { struct confargs *ca = args; struct sysconsoftc *sc = (struct sysconsoftc *)self; if (sys_syscon) panic("syscon already attached!"); /* * since we know ourself to land in intiobase land, * we must adjust our address */ sc->sc_paddr = ca->ca_paddr; sc->sc_vaddr = (void *)IIOV(sc->sc_paddr); sc->sc_syscon = &syscon_reg; sys_syscon = sc->sc_syscon; printf(": rev %d\n", 1); /* * pseudo driver, abort interrupt handler */ sc->sc_abih.ih_fn = sysconabort; sc->sc_abih.ih_arg = 0; sc->sc_abih.ih_wantframe = 1; sc->sc_abih.ih_ipl = IPL_ABORT; sc->sc_acih.ih_fn = sysconacfail; sc->sc_acih.ih_arg = 0; sc->sc_abih.ih_wantframe = 1; sc->sc_acih.ih_ipl = IPL_ABORT; sc->sc_sfih.ih_fn = sysconsysfail; sc->sc_sfih.ih_arg = 0; sc->sc_abih.ih_wantframe = 1; sc->sc_sfih.ih_ipl = IPL_ABORT; sc->sc_m188ih.ih_fn = sysconm188; sc->sc_m188ih.ih_arg = 0; sc->sc_abih.ih_wantframe = 1; sc->sc_m188ih.ih_ipl = IPL_ABORT; intr_establish(SYSCV_ABRT, &sc->sc_abih); intr_establish(SYSCV_ACF, &sc->sc_acih); intr_establish(SYSCV_SYSF, &sc->sc_sfih); intr_establish(M188_IVEC, &sc->sc_m188ih); config_search(syscon_scan, self, args); } int sysconintr_establish(vec, ih) int vec; struct intrhand *ih; { return (intr_establish(vec, ih)); } int sysconabort(eframe) void *eframe; { ISR_RESET_NMI; nmihand((struct frame *)eframe); return (1); } int sysconsysfail(eframe) void *eframe; { ISR_RESET_SYSFAIL; nmihand((struct frame *)eframe); return (1); } int sysconacfail(eframe) void *eframe; { ISR_RESET_ACFAIL; nmihand((struct frame *)eframe); return (1); } int sysconm188(eframe) void *eframe; { printf("MVME188 interrupting?\n"); return (1); }