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Open Menu /sys/arch/mips/ralink/ralink_bus.c 
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/*	$NetBSD: ralink_bus.c,v 1.3 2014/04/30 00:51:01 matt Exp $	*/
/*-
 * Copyright (c) 2011 CradlePoint Technology, Inc.
 * All rights reserved.
 *
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY CRADLEPOINT TECHNOLOGY, INC. 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 AUTHOR 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.
 */
/*
 * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
 * Copyright (c) 2006 Garrett D'Amore.
 * All rights reserved.
 *
 * This code was written by Garrett D'Amore for the Champaign-Urbana
 * Community Wireless Network Project.
 *
 * 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 acknowledgements:
 *      This product includes software developed by the Urbana-Champaign
 *      Independent Media Center.
 *	This product includes software developed by Garrett D'Amore.
 * 4. Urbana-Champaign Independent Media Center's name and Garrett
 *    D'Amore's name may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
 * MEDIA CENTER AND GARRETT D'AMORE ``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 URBANA-CHAMPAIGN INDEPENDENT
 * MEDIA CENTER OR GARRETT D'AMORE 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.
 */

#include "locators.h"

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ralink_bus.c,v 1.3 2014/04/30 00:51:01 matt Exp $");
#define	_MIPS_BUS_DMA_PRIVATE

#include <sys/param.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/extent.h>
#include <sys/malloc.h>
#include <sys/systm.h>

#include <mips/ralink/ralink_reg.h>
#include <mips/ralink/ralink_var.h>

static void ra_bus_bus_mem_init(bus_space_tag_t, void *);

struct mips_bus_space	ra_bus_memt;
struct mips_bus_dma_tag	ra_bus_dmat = {
	._dmamap_ops = _BUS_DMAMAP_OPS_INITIALIZER,
	._dmamem_ops = _BUS_DMAMEM_OPS_INITIALIZER,
	._dmatag_ops = _BUS_DMATAG_OPS_INITIALIZER,
};

const bus_space_handle_t ra_sysctl_bsh =
    (bus_space_handle_t) RA_IOREG_VADDR(RA_SYSCTL_BASE, 0);

void
ra_bus_init(void)
{
	ra_bus_bus_mem_init(&ra_bus_memt, NULL);
#ifdef DIAGNOSTIC
	bus_space_handle_t bsh = 0xdeadfa11;
	bus_space_map(&ra_bus_memt, RA_SYSCTL_BASE, 0x100, 0, &bsh);
	KASSERT(ra_sysctl_bsh == bsh);
#endif
}

/*
 * CPU memory/register stuff
 *  defines ra_bus_bus_mem_init, which encompasses all of memory
 */

#define CHIP			ra_bus
#define CHIP_MEM		/* defined */
#define CHIP_W1_BUS_START(v)	0x00000000UL
#define CHIP_W1_BUS_END(v)	0x1fffffffUL
#define CHIP_W1_SYS_START(v)	CHIP_W1_BUS_START(v)
#define CHIP_W1_SYS_END(v)	CHIP_W1_BUS_END(v)

#include <mips/mips/bus_space_alignstride_chipdep.c>