9c7b98f8ce
This port is for OpenBlockS266. OpenBlockS266: IBM405GPr OpenBIOS. X1226 is a rtc chip connected with IIC bus.
294 lines
7.9 KiB
C
294 lines
7.9 KiB
C
/* $NetBSD: machdep.c,v 1.1 2003/09/23 14:45:14 shige Exp $ */
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/*
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* Copyright 2001, 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Eduardo Horvath and Simon Burge 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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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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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 by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.1 2003/09/23 14:45:14 shige Exp $");
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#include "opt_compat_netbsd.h"
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#include "opt_ddb.h"
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#include "opt_ipkdb.h"
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#include <sys/param.h>
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#include <sys/buf.h>
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#include <sys/exec.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/mount.h>
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#include <sys/msgbuf.h>
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#include <sys/proc.h>
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#include <sys/reboot.h>
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#include <sys/sa.h>
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#include <sys/syscallargs.h>
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#include <sys/syslog.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/user.h>
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#include <sys/boot_flag.h>
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#include <sys/properties.h>
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#include <sys/ksyms.h>
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#include <uvm/uvm.h>
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#include <uvm/uvm_extern.h>
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#include <net/netisr.h>
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#include <machine/bus.h>
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#include <machine/trap.h>
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#include <machine/powerpc.h>
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#include <powerpc/spr.h>
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#include <powerpc/ibm4xx/dcr405gp.h>
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#include "ksyms.h"
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/*
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* Global variables used here and there
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*/
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char bootpath[256];
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extern paddr_t msgbuf_paddr;
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extern struct board_cfg_data board_data;
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#if NKSYMS || defined(DDB) || defined(LKM)
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void *startsym, *endsym;
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#endif
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void initppc(u_int, u_int, char *, void *);
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int lcsplx(int);
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void
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initppc(u_int startkernel, u_int endkernel, char *args, void *info_block)
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{
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/* Disable all external interrupts */
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mtdcr(DCR_UIC0_ER, 0);
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ibm4xx_init_board_data(info_block, startkernel);
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ibm4xx_init((void (*)(void))ext_intr);
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/*
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* Initialize console.
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*/
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consinit();
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/*
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* Set the page size.
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*/
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uvm_setpagesize();
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/*
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* Initialize pmap module.
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*/
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pmap_bootstrap(startkernel, endkernel);
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#ifdef DEBUG
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printf("Board config data:\n");
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printf(" usr_config_ver = %s\n", board_data.usr_config_ver);
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printf(" rom_sw_ver = %s\n", board_data.rom_sw_ver);
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printf(" mem_size = %u\n", board_data.mem_size);
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printf(" mac_address_local = %02x:%02x:%02x:%02x:%02x:%02x\n",
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board_data.mac_address_local[0], board_data.mac_address_local[1],
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board_data.mac_address_local[2], board_data.mac_address_local[3],
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board_data.mac_address_local[4], board_data.mac_address_local[5]);
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printf(" mac_address_pci = %02x:%02x:%02x:%02x:%02x:%02x\n",
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board_data.mac_address_pci[0], board_data.mac_address_pci[1],
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board_data.mac_address_pci[2], board_data.mac_address_pci[3],
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board_data.mac_address_pci[4], board_data.mac_address_pci[5]);
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printf(" processor_speed = %u\n", board_data.processor_speed);
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printf(" plb_speed = %u\n", board_data.plb_speed);
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printf(" pci_speed = %u\n", board_data.pci_speed);
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#endif
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#if NKSYMS || defined(DDB) || defined(LKM)
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ksyms_init((int)((u_int)endsym - (u_int)startsym), startsym, endsym);
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#endif
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#ifdef DDB
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if (boothowto & RB_KDB)
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Debugger();
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#endif
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#ifdef IPKDB
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/*
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* Now trap to IPKDB
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*/
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ipkdb_init();
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if (boothowto & RB_KDB)
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ipkdb_connect(0);
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#endif
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}
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int
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lcsplx(int ipl)
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{
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return spllower(ipl); /* XXX */
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}
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/*
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* Machine dependent startup code.
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*/
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void
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cpu_startup(void)
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{
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/*
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* cpu common startup
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*/
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ibm4xx_startup("OpenBlockS266 IBM PowerPC 405GPr Board");
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/*
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* Set up the board properties database.
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*/
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ibm4xx_setup_propdb();
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/*
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* Now that we have VM, malloc()s are OK in bus_space.
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*/
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bus_space_mallocok();
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/*
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* no fake mapiodev
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*/
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fake_mapiodev = 0;
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}
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/*
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* Halt or reboot the machine after syncing/dumping according to howto.
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*/
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void
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cpu_reboot(int howto, char *what)
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{
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static int syncing;
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static char str[256];
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char *ap = str, *ap1 = ap;
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boothowto = howto;
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if (!cold && !(howto & RB_NOSYNC) && !syncing) {
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syncing = 1;
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vfs_shutdown(); /* sync */
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resettodr(); /* set wall clock */
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}
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splhigh();
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if (!cold && (howto & RB_DUMP))
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ibm4xx_dumpsys();
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doshutdownhooks();
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if ((howto & RB_POWERDOWN) == RB_POWERDOWN) {
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/* Power off here if we know how...*/
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}
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if (howto & RB_HALT) {
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printf("halted\n\n");
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goto reboot; /* XXX for now... */
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#ifdef DDB
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printf("dropping to debugger\n");
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while(1)
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Debugger();
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#endif
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}
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printf("rebooting\n\n");
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if (what && *what) {
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if (strlen(what) > sizeof str - 5)
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printf("boot string too large, ignored\n");
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else {
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strcpy(str, what);
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ap1 = ap = str + strlen(str);
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*ap++ = ' ';
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}
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}
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*ap++ = '-';
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if (howto & RB_SINGLE)
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*ap++ = 's';
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if (howto & RB_KDB)
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*ap++ = 'd';
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*ap++ = 0;
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if (ap[-2] == '-')
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*ap1 = 0;
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/* flush cache for msgbuf */
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__syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE));
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reboot:
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ppc4xx_reset();
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printf("ppc4xx_reset() failed!\n");
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#ifdef DDB
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while(1)
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Debugger();
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#else
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while (1)
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/* nothing */;
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#endif
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}
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