Annotation of sys/arch/hppa64/dev/pluto.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: pluto.c,v 1.2 2005/05/22 01:38:09 mickey Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2005 Michael Shalayeff
! 5: * All rights reserved.
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
! 16: * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
! 17: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19:
! 20: /* TODO IOA programming */
! 21:
! 22: #include <sys/param.h>
! 23: #include <sys/systm.h>
! 24: #include <sys/device.h>
! 25: #include <sys/reboot.h>
! 26:
! 27: #include <machine/iomod.h>
! 28: #include <machine/autoconf.h>
! 29: #include <machine/bus.h>
! 30:
! 31: #include <arch/hppa/dev/cpudevs.h>
! 32:
! 33: struct pluto_regs {
! 34: u_int32_t version; /* 0x000: version */
! 35: u_int32_t pad00;
! 36: u_int32_t ctrl; /* 0x008: control register */
! 37: #define PLUTO_CTRL_TOC 0x0001 /* enable toc */
! 38: #define PLUTO_CTRL_COE 0x0002 /* enable coalescing */
! 39: #define PLUTO_CTRL_DIE 0x0004 /* enable dillon */
! 40: #define PLUTO_CTRL_RM 0x0010 /* real mode */
! 41: #define PLUTO_CTRL_NCO 0x0020 /* non-coherent mode */
! 42: u_int32_t pad08;
! 43: u_int32_t resv0[(0x200-0x10)/4];
! 44: u_int64_t rope0; /* 0x200: */
! 45: u_int64_t rope1;
! 46: u_int64_t rope2;
! 47: u_int64_t rope3;
! 48: u_int64_t rope4;
! 49: u_int64_t rope5;
! 50: u_int64_t rope6;
! 51: u_int64_t rope7;
! 52: u_int32_t resv1[(0x100-0x40)/4];
! 53: u_int64_t ibase;
! 54: u_int64_t imask;
! 55: u_int64_t pcom;
! 56: u_int64_t tconf;
! 57: u_int64_t pdir;
! 58: } __packed;
! 59:
! 60: struct pluto_softc {
! 61: struct device sc_dv;
! 62:
! 63: volatile struct pluto_regs *sc_regs;
! 64: struct confargs sc_ca;
! 65: };
! 66:
! 67: int plutomatch(struct device *, void *, void *);
! 68: void plutoattach(struct device *, struct device *, void *);
! 69:
! 70: struct cfattach plut_ca = {
! 71: sizeof(struct pluto_softc), plutomatch, plutoattach
! 72: };
! 73:
! 74: void pluto_scan(struct device *self);
! 75:
! 76: struct cfdriver plut_cd = {
! 77: NULL, "plut", DV_DULL
! 78: };
! 79:
! 80: int
! 81: plutomatch(parent, cfdata, aux)
! 82: struct device *parent;
! 83: void *cfdata;
! 84: void *aux;
! 85: {
! 86: struct confargs *ca = aux;
! 87: /* struct cfdata *cf = cfdata; */
! 88:
! 89: if ((ca->ca_name && !strcmp(ca->ca_name, "sba")) ||
! 90: (ca->ca_type.iodc_type == HPPA_TYPE_IOA &&
! 91: ca->ca_type.iodc_sv_model == HPPA_IOA_PLUTO) ||
! 92: (ca->ca_type.iodc_type == HPPA_TYPE_IOA &&
! 93: ca->ca_type.iodc_sv_model == HPPA_IOA_UTURN &&
! 94: ca->ca_type.iodc_model == 0x58 &&
! 95: ca->ca_type.iodc_revision >= 0x20))
! 96: return 1;
! 97:
! 98: return 0;
! 99: }
! 100:
! 101: void
! 102: plutoattach(parent, self, aux)
! 103: struct device *parent;
! 104: struct device *self;
! 105: void *aux;
! 106: {
! 107: struct confargs *ca = aux;
! 108: struct pluto_softc *sc = (struct pluto_softc *)self;
! 109: struct pluto_regs volatile *r;
! 110: bus_space_handle_t ioh;
! 111: u_int32_t ver;
! 112: char buf[16];
! 113:
! 114: if (bus_space_map(ca->ca_iot, ca->ca_hpa, ca->ca_hpasz, 0, &ioh)) {
! 115: printf(": can't map IO space\n");
! 116: return;
! 117: }
! 118: sc->sc_regs = r = (void *)bus_space_vaddr(ca->ca_iot, ioh);
! 119:
! 120: /* r->ctrl = PLUTO_CTRL_RM|PLUTO_CTRL_TOC; */
! 121:
! 122: ver = letoh32(r->version);
! 123: switch ((ca->ca_type.iodc_model << 4) |
! 124: (ca->ca_type.iodc_revision >> 4)) {
! 125: case 0x582:
! 126: case 0x780:
! 127: snprintf(buf, sizeof(buf), "Astro rev %d.%d",
! 128: (ver & 7) + 1, (ver >> 3) & 3);
! 129: break;
! 130:
! 131: case 0x803:
! 132: case 0x781:
! 133: snprintf(buf, sizeof(buf), "Ike rev %d", ver & 0xff);
! 134: break;
! 135:
! 136: case 0x804:
! 137: case 0x782:
! 138: snprintf(buf, sizeof(buf), "Reo rev %d", ver & 0xff);
! 139: break;
! 140:
! 141: case 0x880:
! 142: case 0x784:
! 143: snprintf(buf, sizeof(buf), "Pluto rev %d.%d",
! 144: (ver >> 4) & 0xf, ver & 0xf);
! 145: break;
! 146:
! 147: default:
! 148: snprintf(buf, sizeof(buf), "Fluffy rev 0x%x", ver);
! 149: break;
! 150: }
! 151:
! 152: printf(": %s\n", buf);
! 153:
! 154: sc->sc_ca = *ca; /* clone from us */
! 155: config_defer(self, &pluto_scan);
! 156: }
! 157:
! 158: void
! 159: pluto_scan(struct device *self)
! 160: {
! 161: struct pluto_softc *sc = (struct pluto_softc *)self;
! 162:
! 163: pdc_scan(self, &sc->sc_ca);
! 164: }
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