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/*-
* Copyright (c) 2014 Andrew Turner
* 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 THE AUTHOR 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.
*
*/
#include "opt_platform.h"
#include <sys/param.h>
__FBSDID("$FreeBSD$");
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
uint8_t generic_bs_r_1(void *, bus_space_handle_t, bus_size_t);
uint16_t generic_bs_r_2(void *, bus_space_handle_t, bus_size_t);
uint32_t generic_bs_r_4(void *, bus_space_handle_t, bus_size_t);
uint64_t generic_bs_r_8(void *, bus_space_handle_t, bus_size_t);
void generic_bs_rm_1(void *, bus_space_handle_t, bus_size_t, uint8_t *,
bus_size_t);
void generic_bs_rm_2(void *, bus_space_handle_t, bus_size_t, uint16_t *,
bus_size_t);
void generic_bs_rm_4(void *, bus_space_handle_t, bus_size_t, uint32_t *,
bus_size_t);
void generic_bs_rm_8(void *, bus_space_handle_t, bus_size_t, uint64_t *,
bus_size_t);
void generic_bs_w_1(void *, bus_space_handle_t, bus_size_t, uint8_t);
void generic_bs_w_2(void *, bus_space_handle_t, bus_size_t, uint16_t);
void generic_bs_w_4(void *, bus_space_handle_t, bus_size_t, uint32_t);
void generic_bs_w_8(void *, bus_space_handle_t, bus_size_t, uint64_t);
void generic_bs_wm_1(void *, bus_space_handle_t, bus_size_t, const uint8_t *,
bus_size_t);
void generic_bs_wm_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *,
bus_size_t);
void generic_bs_wm_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *,
bus_size_t);
void generic_bs_wm_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *,
bus_size_t);
static int
generic_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flags,
bus_space_handle_t *bshp)
{
void *va;
va = pmap_mapdev(bpa, size);
if (va == NULL)
return (ENOMEM);
*bshp = (bus_space_handle_t)va;
return (0);
}
static void
generic_bs_unmap(void *t, bus_space_handle_t bsh, bus_size_t size)
{
pmap_unmapdev(bsh, size);
}
static void
generic_bs_barrier(void *t, bus_space_handle_t bsh, bus_size_t offset,
bus_size_t size, int flags)
{
}
static int
generic_bs_subregion(void *t, bus_space_handle_t bsh, bus_size_t offset,
bus_size_t size, bus_space_handle_t *nbshp)
{
*nbshp = bsh + offset;
return (0);
}
struct bus_space memmap_bus = {
/* cookie */
.bs_cookie = NULL,
/* mapping/unmapping */
.bs_map = generic_bs_map,
.bs_unmap = generic_bs_unmap,
.bs_subregion = generic_bs_subregion,
/* allocation/deallocation */
.bs_alloc = NULL,
.bs_free = NULL,
/* barrier */
.bs_barrier = generic_bs_barrier,
/* read single */
.bs_r_1 = generic_bs_r_1,
.bs_r_2 = generic_bs_r_2,
.bs_r_4 = generic_bs_r_4,
.bs_r_8 = generic_bs_r_8,
/* read multiple */
.bs_rm_1 = generic_bs_rm_1,
.bs_rm_2 = generic_bs_rm_2,
.bs_rm_4 = generic_bs_rm_4,
.bs_rm_8 = generic_bs_rm_8,
/* write single */
.bs_w_1 = generic_bs_w_1,
.bs_w_2 = generic_bs_w_2,
.bs_w_4 = generic_bs_w_4,
.bs_w_8 = generic_bs_w_8,
/* write multiple */
.bs_wm_1 = generic_bs_wm_1,
.bs_wm_2 = generic_bs_wm_2,
.bs_wm_4 = generic_bs_wm_4,
.bs_wm_8 = generic_bs_wm_8,
/* write region */
.bs_wr_1 = NULL,
.bs_wr_2 = NULL,
.bs_wr_4 = NULL,
.bs_wr_8 = NULL,
/* set multiple */
.bs_sm_1 = NULL,
.bs_sm_2 = NULL,
.bs_sm_4 = NULL,
.bs_sm_8 = NULL,
/* set region */
.bs_sr_1 = NULL,
.bs_sr_2 = NULL,
.bs_sr_4 = NULL,
.bs_sr_8 = NULL,
/* copy */
.bs_c_1 = NULL,
.bs_c_2 = NULL,
.bs_c_4 = NULL,
.bs_c_8 = NULL,
/* read single stream */
.bs_r_1_s = NULL,
.bs_r_2_s = NULL,
.bs_r_4_s = NULL,
.bs_r_8_s = NULL,
/* read multiple stream */
.bs_rm_1_s = NULL,
.bs_rm_2_s = NULL,
.bs_rm_4_s = NULL,
.bs_rm_8_s = NULL,
/* read region stream */
.bs_rr_1_s = NULL,
.bs_rr_2_s = NULL,
.bs_rr_4_s = NULL,
.bs_rr_8_s = NULL,
/* write single stream */
.bs_w_1_s = NULL,
.bs_w_2_s = NULL,
.bs_w_4_s = NULL,
.bs_w_8_s = NULL,
/* write multiple stream */
.bs_wm_1_s = NULL,
.bs_wm_2_s = NULL,
.bs_wm_4_s = NULL,
.bs_wm_8_s = NULL,
/* write region stream */
.bs_wr_1_s = NULL,
.bs_wr_2_s = NULL,
.bs_wr_4_s = NULL,
.bs_wr_8_s = NULL,
};
#ifdef FDT
bus_space_tag_t fdtbus_bs_tag = &memmap_bus;
#endif
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