diff options
Diffstat (limited to 'sys/arm/arm/autoconf.c')
-rw-r--r-- | sys/arm/arm/autoconf.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sys/arm/arm/autoconf.c b/sys/arm/arm/autoconf.c new file mode 100644 index 000000000000..3b9036200406 --- /dev/null +++ b/sys/arm/arm/autoconf.c @@ -0,0 +1,102 @@ +/*- + * SPDX-License-Identifier: BSD-4-Clause + * + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)autoconf.c 7.1 (Berkeley) 5/9/91 + * from: FreeBSD: src/sys/i386/i386/autoconf.c,v 1.156 + */ + +/* + * Setup the system to run on the current machine. + * + * Configure() is called at boot time and initializes the vba + * device tables and the memory controller monitoring. Available + * devices are determined (from possibilities mentioned in ioconf.c), + * and the drivers are initialized. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/disklabel.h> +#include <sys/reboot.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/mount.h> +#include <sys/cons.h> + +static void configure_first (void *); +static void configure (void *); +static void configure_final (void *); + +SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL); +/* SI_ORDER_SECOND is hookable */ +SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL); +/* SI_ORDER_MIDDLE is hookable */ +SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL); + +device_t nexus_dev; + + +/* + * Determine i/o configuration for a machine. + */ +static void +configure_first(void *dummy) +{ + + device_add_child(root_bus, "nexus", 0); +} + +static void +configure(void *dummy) +{ + + root_bus_configure(); +} + +static void +configure_final(void *dummy) +{ + + enable_interrupts(PSR_I | PSR_F); + cninit_finish(); + cold = 0; +} |