262 lines
6.5 KiB
C
262 lines
6.5 KiB
C
/* $NetBSD: firepower.c,v 1.1 2001/10/29 22:28:38 thorpej Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Support routines for Firepower systems.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/termios.h>
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#include <dev/cons.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <machine/bat.h>
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#include <machine/intr.h>
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#include <machine/platform.h>
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#include <powerpc/pio.h>
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#include <ofppc/firepower/firepowerreg.h>
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#include <ofppc/firepower/firepowervar.h>
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void firepower_init(void);
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void firepower_cons_init(void);
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void firepower_device_register(struct device *, void *);
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/*
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* firepower_init:
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*
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* Platform initialization function.
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*/
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void
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firepower_init(void)
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{
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platform.cons_init = firepower_cons_init;
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platform.device_register = firepower_device_register;
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/*
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* Map VA==PA the region that includes ISA I/O, PCI Config,
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* and PCI I/O.
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*
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* XXX This is actually a lot larger than 256M.
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*/
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battable[0x8].batl = BATL(0x80000000, BAT_I, BAT_PP_RW);
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battable[0x8].batu = BATU(0x80000000, BAT_BL_256M, BAT_Vs);
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/*
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* Map VA==PA the region that includes PCI Memory.
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*
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* XXX This is actually a lot larger than 256M.
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*/
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battable[0xc].batl = BATL(0xc0000000, BAT_I, BAT_PP_RW);
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battable[0xc].batu = BATU(0xc0000000, BAT_BL_256M, BAT_Vs);
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/*
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* Map VA==PA the region that includes the System registers.
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*/
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battable[0xf].batl = BATL(0xf0000000, BAT_I, BAT_PP_RW);
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battable[0xf].batu = BATU(0xf0000000, BAT_BL_256M, BAT_Vs);
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firepower_intr_init();
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}
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/*
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* firepower_cons_init:
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*
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* Initialize the console on a Firepower system.
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*/
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void
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firepower_cons_init(void)
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{
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}
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/*
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* firepower_device_register:
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*
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* A device has been attached; notify machine-dependent code.
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* We use this to find the boot device.
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*/
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void
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firepower_device_register(struct device *dev, void *aux)
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{
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}
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/*
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* XXX We may want to move this stuff into a separate "Powerhouse"
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* driver at some point.
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*/
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int firepower_match(struct device *, struct cfdata *, void *);
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void firepower_attach(struct device *, struct device *, void *);
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struct cfattach firepower_ca = {
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sizeof(struct firepower_softc), firepower_match, firepower_attach,
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};
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int firepower_print(void *, const char *);
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/* There can be only one. */
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struct firepower_config firepower_configuration;
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int firepower_found;
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/*
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* firepower_chipset_init:
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*
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* Set up the Firepower's chipset function pointers.
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*/
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void
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firepower_chipset_init(struct firepower_config *cp, int mallocsafe)
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{
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cp->c_mallocsafe = mallocsafe;
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cp->c_type = CSR_READ2(FPR_PCI_DEVICE_ID);
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if (cp->c_initted == 0) {
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/* don't do these twice since they set up extents */
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firepower_bus_io_init(&cp->c_iot, cp);
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firepower_bus_mem_init(&cp->c_memt, cp);
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}
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cp->c_mallocsafe = mallocsafe;
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firepower_pci_init(&cp->c_pc, cp);
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firepower_pci_intr_init(&cp->c_pc, cp);
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cp->c_initted = 1;
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}
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int
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firepower_match(struct device *parent, struct cfdata *cfdata, void *aux)
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{
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struct ofbus_attach_args *oba = aux;
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char name[32];
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switch (platid) {
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case PLATID_FIREPOWER_ES:
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case PLATID_FIREPOWER_MX:
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case PLATID_FIREPOWER_LX:
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break;
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default:
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return (0);
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}
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if (strcmp(oba->oba_busname, "ofw") != 0)
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return (0);
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if (OF_getprop(oba->oba_phandle, "device_type", name,
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sizeof(name)) <= 3)
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return (0);
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if (strcmp(name, "pci") == 0) {
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if (firepower_found)
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panic("firepower_match: already found?");
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return (10); /* beat ofbus */
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}
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return (0);
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}
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void
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firepower_attach(struct device *parent, struct device *self, void *aux)
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{
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struct firepower_softc *sc = (void *) self;
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struct firepower_config *cp;
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struct pcibus_attach_args pba;
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const char *name;
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char namestore[sizeof("0xXXXXXXXX")];
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/* Note that we've attached the chipset; can't have two. */
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firepower_found = 1;
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/*
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* Set up the chipset's info; done once at console init time
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* (maybe), but doesn't hurt to do it twice.
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*/
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cp = sc->sc_cp = &firepower_configuration;
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firepower_chipset_init(cp, 1);
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switch (cp->c_type) {
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case PCI_PRODUCT_POWERHOUSE_POWERPRO:
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name = "PowerPro";
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break;
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case PCI_PRODUCT_POWERHOUSE_POWERTOP:
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name = "PowerTop";
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break;
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default:
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sprintf(namestore, "0x%08x", cp->c_type);
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name = namestore;
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break;
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}
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printf(": Powerhouse %s Core Logic chipset, rev. %u\n",
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name, CSR_READ1(FPR_PCI_REVISION));
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firepower_dma_init(cp);
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pba.pba_busname = "pci";
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pba.pba_iot = &cp->c_iot;
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pba.pba_memt = &cp->c_memt;
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pba.pba_dmat = &cp->c_dmat_pci;
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pba.pba_pc = &cp->c_pc;
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pba.pba_bus = 0;
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pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
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PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;
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(void) config_found(self, &pba, firepower_print);
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}
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int
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firepower_print(void *aux, const char *pnp)
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{
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struct pcibus_attach_args *pba = aux;
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if (pnp)
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printf("%s at %s", pba->pba_busname, pnp);
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printf(" bus %d", pba->pba_bus);
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return (UNCONF);
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}
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