1 /* $OpenBSD: ipmi_fdt.c,v 1.1 2020/03/29 09:31:11 kettenis Exp $ */ 2 /* 3 * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <sys/param.h> 19 #include <sys/systm.h> 20 #include <sys/device.h> 21 22 #include <machine/bus.h> 23 #include <machine/fdt.h> 24 25 #include <dev/ofw/openfirm.h> 26 #include <dev/ofw/fdt.h> 27 28 #include <dev/ipmivar.h> 29 30 int ipmi_fdt_match(struct device *, void *, void *); 31 void ipmi_fdt_attach(struct device *, struct device *, void *); 32 33 struct cfattach ipmi_fdt_ca = { 34 sizeof (struct ipmi_softc), ipmi_fdt_match, ipmi_fdt_attach 35 }; 36 37 int 38 ipmi_fdt_match(struct device *parent, void *match, void *aux) 39 { 40 struct fdt_attach_args *faa = aux; 41 42 return OF_is_compatible(faa->fa_node, "ipmi-kcs"); 43 } 44 45 void 46 ipmi_fdt_attach(struct device *parent, struct device *self, void *aux) 47 { 48 struct ipmi_softc *sc = (struct ipmi_softc *)self; 49 struct fdt_attach_args *faa = aux; 50 struct ipmi_attach_args ia; 51 52 if (faa->fa_nreg < 1) { 53 printf(": no registers\n"); 54 return; 55 } 56 57 memset(&ia, 0, sizeof(ia)); 58 ia.iaa_memt = faa->fa_iot; 59 ia.iaa_if_type = IPMI_IF_KCS; 60 ia.iaa_if_rev = 0x20; 61 ia.iaa_if_irq = -1; 62 ia.iaa_if_irqlvl = 0; 63 ia.iaa_if_iosize = OF_getpropint(faa->fa_node, "reg-size", 1); 64 ia.iaa_if_iospacing = OF_getpropint(faa->fa_node, "reg-spacing", 1); 65 ia.iaa_if_iobase = faa->fa_reg[0].addr; 66 ia.iaa_if_iotype = 'm'; 67 68 ipmi_attach_common(sc, &ia); 69 } 70