NetBSD-5.0.2/sys/arch/sh3/include/bus.h
/* $NetBSD: bus.h,v 1.17 2008/04/28 20:23:35 martin Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 THE NETBSD FOUNDATION, 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 FOUNDATION 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) 1996 Charles M. Hannum. All rights reserved.
* Copyright (c) 1996 Christopher G. Demetriou. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#ifndef _SH3_BUS_H_
#define _SH3_BUS_H_
#include <sys/bswap.h>
#define __BUS_SPACE_HAS_STREAM_METHODS
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
/*
* Values for the sh3 bus space tag, not to be used directly by MI code.
*/
#define SH3_BUS_SPACE_IO 0 /* space is i/o space */
#define SH3_BUS_SPACE_MEM 1 /* space is mem space */
#define SH3_BUS_SPACE_PCMCIA_IO 2 /* PCMCIA IO space */
#define SH3_BUS_SPACE_PCMCIA_MEM 3 /* PCMCIA Mem space */
#define SH3_BUS_SPACE_PCMCIA_ATT 4 /* PCMCIA Attr space */
#define SH3_BUS_SPACE_PCMCIA_8BIT 0x8000 /* PCMCIA BUS 8 BIT WIDTH */
#define SH3_BUS_SPACE_PCMCIA_IO8 \
(SH3_BUS_SPACE_PCMCIA_IO|SH3_BUS_SPACE_PCMCIA_8BIT)
#define SH3_BUS_SPACE_PCMCIA_MEM8 \
(SH3_BUS_SPACE_PCMCIA_MEM|SH3_BUS_SPACE_PCMCIA_8BIT)
#define SH3_BUS_SPACE_PCMCIA_ATT8 \
(SH3_BUS_SPACE_PCMCIA_ATT|SH3_BUS_SPACE_PCMCIA_8BIT)
/*
* Bus address and size types
*/
typedef u_long bus_addr_t;
typedef u_long bus_size_t;
/*
* Access methods for bus resources and address space.
*/
typedef int bus_space_tag_t;
typedef u_long bus_space_handle_t;
/*
* int bus_space_map (bus_space_tag_t t, bus_addr_t addr,
* bus_size_t size, int flags, bus_space_handle_t *bshp);
*
* Map a region of bus space.
*/
#define BUS_SPACE_MAP_CACHEABLE 0x01
#define BUS_SPACE_MAP_LINEAR 0x02
int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t size,
int, bus_space_handle_t *);
#ifdef SH4_PCMCIA
int shpcmcia_memio_map(bus_space_tag_t, bus_addr_t, bus_size_t size,
int, bus_space_handle_t *);
int shpcmcia_mem_add_mapping(bus_addr_t, bus_size_t, int,
bus_space_handle_t *);
void shpcmcia_memio_unmap(bus_space_tag_t, bus_space_handle_t,
bus_size_t);
void shpcmcia_memio_free(bus_space_tag_t, bus_space_handle_t,
bus_size_t);
int shpcmcia_memio_subregion(bus_space_tag_t, bus_space_handle_t,
bus_size_t, bus_size_t, bus_space_handle_t *);
#endif
/*
* u_intN_t bus_space_read_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset);
*
* Read a 1, 2, 4, or 8 byte quantity from bus space
* described by tag/handle/offset.
*/
static __inline uint8_t bus_space_read_1
(bus_space_tag_t, bus_space_handle_t, bus_size_t);
static __inline uint16_t bus_space_read_2
(bus_space_tag_t, bus_space_handle_t, bus_size_t);
static __inline uint32_t bus_space_read_4
(bus_space_tag_t, bus_space_handle_t, bus_size_t);
uint8_t
bus_space_read_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset)
{
return *(volatile uint8_t *)(bsh + offset);
}
uint16_t
bus_space_read_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset)
{
return bswap16(*(volatile uint16_t *)(bsh + offset));
}
uint32_t
bus_space_read_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset)
{
return bswap32(*(volatile uint32_t *)(bsh + offset));
}
static __inline uint16_t bus_space_read_stream_2
(bus_space_tag_t, bus_space_handle_t, bus_size_t);
static __inline uint32_t bus_space_read_stream_4
(bus_space_tag_t, bus_space_handle_t, bus_size_t);
uint16_t
bus_space_read_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset)
{
return *(volatile uint16_t *)(bsh + offset);
}
uint32_t
bus_space_read_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset)
{
return *(volatile uint32_t *)(bsh + offset);
}
/*
* void bus_space_read_multi_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count);
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle/offset and copy into buffer provided.
*/
static __inline void bus_space_read_multi_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t);
static __inline void bus_space_read_multi_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
static __inline void bus_space_read_multi_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
void
bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count)
{
while (count--)
*addr++ = bus_space_read_1(tag, bsh, offset);
}
void
bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
while (count--)
*addr++ = bus_space_read_2(tag, bsh, offset);
}
void
bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
while (count--)
*addr++ = bus_space_read_4(tag, bsh, offset);
}
static __inline void bus_space_read_multi_stream_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
static __inline void bus_space_read_multi_stream_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
void
bus_space_read_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
while (count--)
*addr++ = *(volatile uint16_t *)(bsh + offset);
}
void
bus_space_read_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
while (count--)
*addr++ = *(volatile uint32_t *)(bsh + offset);
}
/*
* int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart,
* bus_addr_t rend, bus_size_t size, bus_size_t align,
* bus_size_t boundary, int flags, bus_addr_t *addrp,
* bus_space_handle_t *bshp);
*
* Allocate a region of bus space.
*/
int sh_memio_alloc(bus_space_tag_t, bus_addr_t, bus_addr_t, bus_size_t,
bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
#define bus_space_alloc(t, rs, re, s, a, b, f, ap, hp) \
sh_memio_alloc((t), (rs), (re), (s), (a), (b), (f), (ap), (hp))
/*
* int bus_space_free(bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t size);
*
* Free a region of bus space.
*/
void sh_memio_free(bus_space_tag_t, bus_space_handle_t, bus_size_t);
#define bus_space_free(t, h, s) \
sh_memio_free((t), (h), (s))
/*
* int bus_space_unmap(bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t size);
*
* Unmap a region of bus space.
*/
void sh_memio_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t);
#define bus_space_unmap(t, h, s) \
sh_memio_unmap((t), (h), (s))
/*
* int bus_space_subregion(bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
* bus_space_handle_t *nbshp);
*
* Get a new handle for a subregion of an already-mapped area of bus space.
*/
int sh_memio_subregion(bus_space_tag_t, bus_space_handle_t,
bus_size_t, bus_size_t, bus_space_handle_t *);
#define bus_space_subregion(t, h, o, s, nhp) \
sh_memio_subregion((t), (h), (o), (s), (nhp))
/*
* void bus_space_read_region_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count);
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle and starting at `offset' and copy into
* buffer provided.
*/
static __inline void bus_space_read_region_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t);
static __inline void bus_space_read_region_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
static __inline void bus_space_read_region_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
void
bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count)
{
uint8_t *p = (uint8_t *)(bsh + offset);
while (count--)
*addr++ = *p++;
}
void
bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
uint16_t *p = (uint16_t *)(bsh + offset);
while (count--)
*addr++ = bswap16(*p++);
}
void
bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
uint32_t *p = (uint32_t *)(bsh + offset);
while (count--)
*addr++ = bswap32(*p++);
}
/*
* void bus_space_read_region_stream_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count);
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle and starting at `offset' and copy into
* buffer provided.
*/
static __inline void bus_space_read_region_stream_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t);
static __inline void bus_space_read_region_stream_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
static __inline void bus_space_read_region_stream_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
void
bus_space_read_region_stream_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count)
{
uint8_t *p = (uint8_t *)(bsh + offset);
while (count--)
*addr++ = *p++;
}
void
bus_space_read_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
uint16_t *p = (uint16_t *)(bsh + offset);
while (count--)
*addr++ = *p++;
}
void
bus_space_read_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
uint32_t *p = (uint32_t *)(bsh + offset);
while (count--)
*addr++ = *p++;
}
/*
* void bus_space_write_region_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count);
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
* to bus space described by tag/handle starting at `offset'.
*/
static __inline void bus_space_write_region_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, const uint8_t *, bus_size_t);
static __inline void bus_space_write_region_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, const uint16_t *, bus_size_t);
static __inline void bus_space_write_region_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, const uint32_t *, bus_size_t);
void
bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *addr, bus_size_t count)
{
uint8_t *p = (uint8_t *)(bsh + offset);
while (count--)
*p++ = *addr++;
}
void
bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *addr, bus_size_t count)
{
uint16_t *p = (uint16_t *)(bsh + offset);
while (count--)
*p++ = bswap16(*addr++);
}
void
bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *addr, bus_size_t count)
{
uint32_t *p = (uint32_t *)(bsh + offset);
while (count--)
*p++ = bswap32(*addr++);
}
/*
* void bus_space_write_region_stream_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count);
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
* to bus space described by tag/handle starting at `offset'.
*/
static __inline void bus_space_write_region_stream_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, const uint8_t *, bus_size_t);
static __inline void bus_space_write_region_stream_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, const uint16_t *, bus_size_t);
static __inline void bus_space_write_region_stream_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, const uint32_t *, bus_size_t);
void
bus_space_write_region_stream_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *addr, bus_size_t count)
{
uint8_t *p = (uint8_t *)(bsh + offset);
while (count--)
*p++ = *addr++;
}
void
bus_space_write_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *addr, bus_size_t count)
{
uint16_t *p = (uint16_t *)(bsh + offset);
while (count--)
*p++ = *addr++;
}
void
bus_space_write_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *addr, bus_size_t count)
{
uint32_t *p = (uint32_t *)(bsh + offset);
while (count--)
*p++ = *addr++;
}
/*
* void bus_space_write_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t value);
*
* Write the 1, 2, 4, or 8 byte value `value' to bus space
* described by tag/handle/offset.
*/
static __inline void bus_space_write_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t);
static __inline void bus_space_write_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t);
static __inline void bus_space_write_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t);
void
bus_space_write_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t value)
{
*(volatile uint8_t *)(bsh + offset) = value;
}
void
bus_space_write_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t value)
{
*(volatile uint16_t *)(bsh + offset) = bswap16(value);
}
void
bus_space_write_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t value)
{
*(volatile uint32_t *)(bsh + offset) = bswap32(value);
}
static __inline void bus_space_write_stream_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t);
static __inline void bus_space_write_stream_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t);
void
bus_space_write_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t value)
{
*(volatile uint16_t *)(bsh + offset) = value;
}
void
bus_space_write_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t value)
{
*(volatile uint32_t *)(bsh + offset) = value;
}
/*
* void bus_space_write_multi_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count);
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
* provided to bus space described by tag/handle/offset.
*/
static __inline void bus_space_write_multi_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t);
static __inline void bus_space_write_multi_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
static __inline void bus_space_write_multi_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
void
bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count)
{
while (count--)
bus_space_write_1(tag, bsh, offset, *addr++);
}
void
bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
while (count--)
bus_space_write_2(tag, bsh, offset, *addr++);
}
void
bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
while (count--)
bus_space_write_4(tag, bsh, offset, *addr++);
}
static __inline void bus_space_write_multi_stream_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
static __inline void bus_space_write_multi_stream_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
void
bus_space_write_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
while (count--)
bus_space_write_stream_2(tag, bsh, offset, *addr++);
}
void
bus_space_write_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
while (count--)
bus_space_write_stream_4(tag, bsh, offset, *addr++);
}
/*
* void bus_space_set_multi_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count);
*
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle/offset `count' times.
*/
static __inline void bus_space_set_multi_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t, bus_size_t);
static __inline void bus_space_set_multi_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t, bus_size_t);
static __inline void bus_space_set_multi_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t, bus_size_t);
void
bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t val, bus_size_t count)
{
while (count--)
bus_space_write_1(tag, bsh, offset, val);
}
void
bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t val, bus_size_t count)
{
while (count--)
bus_space_write_2(tag, bsh, offset, val);
}
void
bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t val, bus_size_t count)
{
while (count--)
bus_space_write_4(tag, bsh, offset, val);
}
/*
* void bus_space_set_region_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count);
*
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle starting at `offset'.
*/
static __inline void bus_space_set_region_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t, bus_size_t);
static __inline void bus_space_set_region_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t, bus_size_t);
static __inline void bus_space_set_region_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t, bus_size_t);
void
bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t val, bus_size_t count)
{
volatile uint8_t *addr = (void *)(bsh + offset);
while (count--)
*addr++ = val;
}
void
bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t val, bus_size_t count)
{
volatile uint16_t *addr = (void *)(bsh + offset);
val = bswap16(val);
while (count--)
*addr++ = val;
}
void
bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t val, bus_size_t count)
{
volatile uint32_t *addr = (void *)(bsh + offset);
val = bswap32(val);
while (count--)
*addr++ = val;
}
/*
* void bus_space_set_region_stream_N(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count);
*
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle starting at `offset'.
*/
static __inline void bus_space_set_region_stream_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint8_t, bus_size_t);
static __inline void bus_space_set_region_stream_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint16_t, bus_size_t);
static __inline void bus_space_set_region_stream_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, uint32_t, bus_size_t);
void
bus_space_set_region_stream_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint8_t val, bus_size_t count)
{
volatile uint8_t *addr = (void *)(bsh + offset);
while (count--)
*addr++ = val;
}
void
bus_space_set_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint16_t val, bus_size_t count)
{
volatile uint16_t *addr = (void *)(bsh + offset);
while (count--)
*addr++ = val;
}
void
bus_space_set_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, uint32_t val, bus_size_t count)
{
volatile uint32_t *addr = (void *)(bsh + offset);
while (count--)
*addr++ = val;
}
/*
* void bus_space_copy_region_N(bus_space_tag_t tag,
* bus_space_handle_t bsh1, bus_size_t off1,
* bus_space_handle_t bsh2, bus_size_t off2,
* size_t count);
*
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
*/
static __inline void bus_space_copy_region_1(bus_space_tag_t,
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
bus_size_t);
static __inline void bus_space_copy_region_2(bus_space_tag_t,
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
bus_size_t);
static __inline void bus_space_copy_region_4(bus_space_tag_t,
bus_space_handle_t, bus_size_t, bus_space_handle_t, bus_size_t,
bus_size_t);
void
bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1,
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
{
volatile uint8_t *addr1 = (void *)(h1 + o1);
volatile uint8_t *addr2 = (void *)(h2 + o2);
if (addr1 >= addr2) { /* src after dest: copy forward */
while (c--)
*addr2++ = *addr1++;
} else { /* dest after src: copy backwards */
addr1 += c - 1;
addr2 += c - 1;
while (c--)
*addr2-- = *addr1--;
}
}
void
bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1,
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
{
volatile uint16_t *addr1 = (void *)(h1 + o1);
volatile uint16_t *addr2 = (void *)(h2 + o2);
if (addr1 >= addr2) { /* src after dest: copy forward */
while (c--)
*addr2++ = *addr1++;
} else { /* dest after src: copy backwards */
addr1 += c - 1;
addr2 += c - 1;
while (c--)
*addr2-- = *addr1--;
}
}
void
bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1,
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
{
volatile uint32_t *addr1 = (void *)(h1 + o1);
volatile uint32_t *addr2 = (void *)(h2 + o2);
if (addr1 >= addr2) { /* src after dest: copy forward */
while (c--)
*addr2++ = *addr1++;
} else { /* dest after src: copy backwards */
addr1 += c - 1;
addr2 += c - 1;
while (c--)
*addr2-- = *addr1--;
}
}
/*
* Bus read/write barrier methods.
*
* void bus_space_barrier(bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* bus_size_t len, int flags);
*
* Note: the sh3 does not currently require barriers, but we must
* provide the flags to MI code.
*/
#define bus_space_barrier(t, h, o, l, f) \
((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
#endif /* _SH3_BUS_H_ */