/* $NetBSD: obio_space.c,v 1.6 2003/07/15 00:25:05 lukem Exp $ */ /*- * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * 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 for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC * 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. */ /* * bus_space functions for PXA devices */ #include __FBSDID("$FreeBSD: stable/11/sys/arm/xscale/pxa/pxa_space.c 314506 2017-03-01 19:55:04Z ian $"); #include #include #include #include #include #include #include #include static MALLOC_DEFINE(M_PXATAG, "PXA bus_space tags", "Bus_space tags for PXA"); /* Prototypes for all the bus_space structure functions */ bs_protos(generic); bs_protos(pxa); /* * The obio bus space tag. This is constant for all instances, so * we never have to explicitly "create" it. */ struct bus_space _base_tag = { /* cookie */ .bs_privdata = NULL, /* mapping/unmapping */ .bs_map = generic_bs_map, .bs_unmap = generic_bs_unmap, .bs_subregion = generic_bs_subregion, /* allocation/deallocation */ .bs_alloc = generic_bs_alloc, .bs_free = generic_bs_free, /* barrier */ .bs_barrier = generic_bs_barrier, /* read (single) */ .bs_r_1 = pxa_bs_r_1, .bs_r_2 = pxa_bs_r_2, .bs_r_4 = pxa_bs_r_4, .bs_r_8 = BS_UNIMPLEMENTED, /* read multiple */ .bs_rm_1 = pxa_bs_rm_1, .bs_rm_2 = pxa_bs_rm_2, .bs_rm_4 = BS_UNIMPLEMENTED, .bs_rm_8 = BS_UNIMPLEMENTED, /* read region */ .bs_rr_1 = pxa_bs_rr_1, .bs_rr_2 = BS_UNIMPLEMENTED, .bs_rr_4 = BS_UNIMPLEMENTED, .bs_rr_8 = BS_UNIMPLEMENTED, /* write (single) */ .bs_w_1 = pxa_bs_w_1, .bs_w_2 = pxa_bs_w_2, .bs_w_4 = pxa_bs_w_4, .bs_w_8 = BS_UNIMPLEMENTED, /* write multiple */ .bs_wm_1 = pxa_bs_wm_1, .bs_wm_2 = pxa_bs_wm_2, .bs_wm_4 = BS_UNIMPLEMENTED, .bs_wm_8 = BS_UNIMPLEMENTED, /* write region */ .bs_wr_1 = BS_UNIMPLEMENTED, .bs_wr_2 = BS_UNIMPLEMENTED, .bs_wr_4 = BS_UNIMPLEMENTED, .bs_wr_8 = BS_UNIMPLEMENTED, /* set multiple */ .bs_sm_1 = BS_UNIMPLEMENTED, .bs_sm_2 = BS_UNIMPLEMENTED, .bs_sm_4 = BS_UNIMPLEMENTED, .bs_sm_8 = BS_UNIMPLEMENTED, /* set region */ .bs_sr_1 = BS_UNIMPLEMENTED, .bs_sr_2 = BS_UNIMPLEMENTED, .bs_sr_4 = BS_UNIMPLEMENTED, .bs_sr_8 = BS_UNIMPLEMENTED, /* copy */ .bs_c_1 = BS_UNIMPLEMENTED, .bs_c_2 = BS_UNIMPLEMENTED, .bs_c_4 = BS_UNIMPLEMENTED, .bs_c_8 = BS_UNIMPLEMENTED, /* read stream (single) */ .bs_r_1_s = BS_UNIMPLEMENTED, .bs_r_2_s = BS_UNIMPLEMENTED, .bs_r_4_s = BS_UNIMPLEMENTED, .bs_r_8_s = BS_UNIMPLEMENTED, /* read multiple stream */ .bs_rm_1_s = BS_UNIMPLEMENTED, .bs_rm_2_s = BS_UNIMPLEMENTED, .bs_rm_4_s = BS_UNIMPLEMENTED, .bs_rm_8_s = BS_UNIMPLEMENTED, /* read region stream */ .bs_rr_1_s = BS_UNIMPLEMENTED, .bs_rr_2_s = BS_UNIMPLEMENTED, .bs_rr_4_s = BS_UNIMPLEMENTED, .bs_rr_8_s = BS_UNIMPLEMENTED, /* write stream (single) */ .bs_w_1_s = BS_UNIMPLEMENTED, .bs_w_2_s = BS_UNIMPLEMENTED, .bs_w_4_s = BS_UNIMPLEMENTED, .bs_w_8_s = BS_UNIMPLEMENTED, /* write multiple stream */ .bs_wm_1_s = BS_UNIMPLEMENTED, .bs_wm_2_s = BS_UNIMPLEMENTED, .bs_wm_4_s = BS_UNIMPLEMENTED, .bs_wm_8_s = BS_UNIMPLEMENTED, /* write region stream */ .bs_wr_1_s = BS_UNIMPLEMENTED, .bs_wr_2_s = BS_UNIMPLEMENTED, .bs_wr_4_s = BS_UNIMPLEMENTED, .bs_wr_8_s = BS_UNIMPLEMENTED, }; static struct bus_space _obio_tag; bus_space_tag_t base_tag = &_base_tag; bus_space_tag_t obio_tag = NULL; void pxa_obio_tag_init(void) { bcopy(&_base_tag, &_obio_tag, sizeof(struct bus_space)); _obio_tag.bs_privdata = (void *)PXA2X0_PERIPH_OFFSET; obio_tag = &_obio_tag; } bus_space_tag_t pxa_bus_tag_alloc(bus_addr_t offset) { struct bus_space *tag; tag = (struct bus_space *)malloc(sizeof(struct bus_space), M_PXATAG, M_WAITOK); if (tag == NULL) { return (NULL); } bcopy(&_base_tag, tag, sizeof(struct bus_space)); tag->bs_privdata = (void *)offset; return ((bus_space_tag_t)tag); } #define READ_SINGLE(type, proto, base) \ type \ proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset) \ { \ bus_addr_t tag_offset; \ type value; \ tag_offset = (bus_addr_t)tag->bs_privdata; \ value = base(NULL, bsh + tag_offset, offset); \ return (value); \ } READ_SINGLE(u_int8_t, pxa_bs_r_1, generic_bs_r_1) READ_SINGLE(u_int16_t, pxa_bs_r_2, generic_bs_r_2) READ_SINGLE(u_int32_t, pxa_bs_r_4, generic_bs_r_4) #undef READ_SINGLE #define WRITE_SINGLE(type, proto, base) \ void \ proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, \ type value) \ { \ bus_addr_t tag_offset; \ tag_offset = (bus_addr_t)tag->bs_privdata; \ base(NULL, bsh + tag_offset, offset, value); \ } WRITE_SINGLE(u_int8_t, pxa_bs_w_1, generic_bs_w_1) WRITE_SINGLE(u_int16_t, pxa_bs_w_2, generic_bs_w_2) WRITE_SINGLE(u_int32_t, pxa_bs_w_4, generic_bs_w_4) #undef WRITE_SINGLE #define READ_MULTI(type, proto, base) \ void \ proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, \ type *dest, bus_size_t count) \ { \ bus_addr_t tag_offset; \ tag_offset = (bus_addr_t)tag->bs_privdata; \ base(NULL, bsh + tag_offset, offset, dest, count); \ } READ_MULTI(u_int8_t, pxa_bs_rm_1, generic_bs_rm_1) READ_MULTI(u_int16_t, pxa_bs_rm_2, generic_bs_rm_2) READ_MULTI(u_int8_t, pxa_bs_rr_1, generic_bs_rr_1) #undef READ_MULTI #define WRITE_MULTI(type, proto, base) \ void \ proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, \ const type *src, bus_size_t count) \ { \ bus_addr_t tag_offset; \ tag_offset = (bus_addr_t)tag->bs_privdata; \ base(NULL, bsh + tag_offset, offset, src, count); \ } WRITE_MULTI(u_int8_t, pxa_bs_wm_1, generic_bs_wm_1) WRITE_MULTI(u_int16_t, pxa_bs_wm_2, generic_bs_wm_2) #undef WRITE_MULTI