1/* $NetBSD: ffb_mainbus.c,v 1.12 2011/10/31 08:28:46 jdc Exp $ */ 2/* $OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $ */ 3 4/* 5 * Copyright (c) 2002 Jason L. Wright (jason@thought.net), 6 * Federico G. Schwindt (fgsch@openbsd.org) 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Jason L. Wright 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36#include <sys/cdefs.h> 37__KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.12 2011/10/31 08:28:46 jdc Exp $"); 38 39#include <sys/types.h> 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/kernel.h> 43#include <sys/device.h> 44 45#include <sys/bus.h> 46#include <machine/autoconf.h> 47#include <machine/openfirm.h> 48 49#include <dev/wscons/wsconsio.h> 50#include <dev/sun/fbio.h> 51#include <dev/sun/fbvar.h> 52 53#include <sparc64/dev/ffbreg.h> 54#include <sparc64/dev/ffbvar.h> 55 56extern int prom_stdout_node; 57 58int ffb_mainbus_match(device_t, cfdata_t, void *); 59void ffb_mainbus_attach(device_t, device_t, void *); 60 61CFATTACH_DECL_NEW(ffb_mainbus, sizeof(struct ffb_softc), 62 ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL); 63 64int 65ffb_mainbus_match(device_t parent, cfdata_t match, void *aux) 66{ 67 struct mainbus_attach_args *ma = aux; 68 69 if (strcmp(ma->ma_name, "SUNW,ffb") == 0 || 70 strcmp(ma->ma_name, "SUNW,afb") == 0) 71 return 1; 72 return 0; 73} 74 75void 76ffb_mainbus_attach(device_t parent, device_t self, void *aux) 77{ 78 struct ffb_softc *sc = device_private(self); 79 struct mainbus_attach_args *ma = aux; 80 int i, nregs; 81 82 sc->sc_dev = self; 83 sc->sc_bt = ma->ma_bustag; 84 85 nregs = min(ma->ma_nreg, FFB_NREGS); 86 87 if (nregs < FFB_REG_DFB24) { 88 printf(": no dfb24 regs found\n"); 89 goto fail1; 90 } 91 92 93 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr, 94 ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) { 95 printf(": failed to map fbc\n"); 96 goto fail1; 97 } 98 99 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr, 100 ma->ma_reg[FFB_REG_DAC].ur_len, 0, &sc->sc_dac_h)) { 101 printf(": failed to map dac\n"); 102 goto unmap_fbc; 103 } 104 105 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_SFB32].ur_paddr, 106 ma->ma_reg[FFB_REG_SFB32].ur_len, BUS_SPACE_MAP_LINEAR, 107 &sc->sc_sfb32_h)) { 108 panic(": failed to map SFB32\n"); 109 goto unmap_dac; 110 } 111 sc->sc_sfb32 = bus_space_vaddr(sc->sc_bt, sc->sc_sfb32_h); 112 113 for (i = 0; i < nregs; i++) { 114 sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr; 115 sc->sc_sizes[i] = ma->ma_reg[i].ur_len; 116 } 117 sc->sc_nreg = nregs; 118 119 sc->sc_console = (prom_stdout_node == ma->ma_node); 120 sc->sc_node = ma->ma_node; 121 122 if (strcmp(ma->ma_name, "SUNW,afb") == 0) 123 sc->sc_type = FFB_AFB; 124 125 ffb_attach(self); 126 127 return; 128 129unmap_dac: 130 bus_space_unmap(sc->sc_bt, sc->sc_dac_h, 131 ma->ma_reg[FFB_REG_DAC].ur_len); 132 133unmap_fbc: 134 bus_space_unmap(sc->sc_bt, sc->sc_fbc_h, 135 ma->ma_reg[FFB_REG_FBC].ur_len); 136fail1: 137 return; 138} 139