1135669Scognet/* $NetBSD: i80321_space.c,v 1.6 2003/10/06 15:43:35 thorpej Exp $ */ 2135669Scognet 3139735Simp/*- 4135669Scognet * Copyright (c) 2001, 2002 Wasabi Systems, Inc. 5135669Scognet * All rights reserved. 6135669Scognet * 7135669Scognet * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8135669Scognet * 9135669Scognet * Redistribution and use in source and binary forms, with or without 10135669Scognet * modification, are permitted provided that the following conditions 11135669Scognet * are met: 12135669Scognet * 1. Redistributions of source code must retain the above copyright 13135669Scognet * notice, this list of conditions and the following disclaimer. 14135669Scognet * 2. Redistributions in binary form must reproduce the above copyright 15135669Scognet * notice, this list of conditions and the following disclaimer in the 16135669Scognet * documentation and/or other materials provided with the distribution. 17135669Scognet * 3. All advertising materials mentioning features or use of this software 18135669Scognet * must display the following acknowledgement: 19135669Scognet * This product includes software developed for the NetBSD Project by 20135669Scognet * Wasabi Systems, Inc. 21135669Scognet * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22135669Scognet * or promote products derived from this software without specific prior 23135669Scognet * written permission. 24135669Scognet * 25135669Scognet * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26135669Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27135669Scognet * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28135669Scognet * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29135669Scognet * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30135669Scognet * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31135669Scognet * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32135669Scognet * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33135669Scognet * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34135669Scognet * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35135669Scognet * POSSIBILITY OF SUCH DAMAGE. 36135669Scognet */ 37135669Scognet 38135669Scognet/* 39135669Scognet * bus_space functions for i80321 I/O Processor. 40135669Scognet */ 41135669Scognet 42135669Scognet#include <sys/cdefs.h> 43135669Scognet__FBSDID("$FreeBSD$"); 44135669Scognet 45135669Scognet#include <sys/param.h> 46135669Scognet#include <sys/systm.h> 47135669Scognet#include <sys/bus.h> 48135669Scognet 49135669Scognet#include <machine/pcb.h> 50135669Scognet 51135669Scognet#include <vm/vm.h> 52135669Scognet#include <vm/vm_kern.h> 53135669Scognet#include <vm/pmap.h> 54135669Scognet#include <vm/vm_page.h> 55135669Scognet#include <vm/vm_extern.h> 56135669Scognet 57135669Scognet#include <machine/bus.h> 58135669Scognet 59135669Scognet#include <arm/xscale/i80321/i80321reg.h> 60135669Scognet#include <arm/xscale/i80321/i80321var.h> 61135669Scognet 62135669Scognet/* Prototypes for all the bus_space structure functions */ 63135669Scognetbs_protos(i80321); 64135669Scognetbs_protos(i80321_io); 65135669Scognetbs_protos(i80321_mem); 66135669Scognetbs_protos(generic); 67135669Scognetbs_protos(generic_armv4); 68135669Scognet 69135669Scognet/* 70135669Scognet * Template bus_space -- copied, and the bits that are NULL are 71135669Scognet * filled in. 72135669Scognet */ 73135669Scognetconst struct bus_space i80321_bs_tag_template = { 74135669Scognet /* cookie */ 75135669Scognet (void *) 0, 76135669Scognet 77135669Scognet /* mapping/unmapping */ 78135669Scognet NULL, 79135669Scognet NULL, 80135669Scognet i80321_bs_subregion, 81135669Scognet 82135669Scognet /* allocation/deallocation */ 83135669Scognet NULL, 84135669Scognet NULL, 85135669Scognet 86135669Scognet /* barrier */ 87135669Scognet i80321_bs_barrier, 88135669Scognet 89135669Scognet /* read (single) */ 90135669Scognet generic_bs_r_1, 91135669Scognet generic_armv4_bs_r_2, 92135669Scognet generic_bs_r_4, 93135669Scognet NULL, 94135669Scognet 95135669Scognet /* read multiple */ 96135669Scognet generic_bs_rm_1, 97135669Scognet generic_armv4_bs_rm_2, 98135669Scognet generic_bs_rm_4, 99135669Scognet NULL, 100135669Scognet 101135669Scognet /* read region */ 102158746Scognet generic_bs_rr_1, 103135669Scognet generic_armv4_bs_rr_2, 104135669Scognet generic_bs_rr_4, 105135669Scognet NULL, 106135669Scognet 107135669Scognet /* write (single) */ 108135669Scognet generic_bs_w_1, 109135669Scognet generic_armv4_bs_w_2, 110135669Scognet generic_bs_w_4, 111135669Scognet NULL, 112135669Scognet 113135669Scognet /* write multiple */ 114135669Scognet generic_bs_wm_1, 115135669Scognet generic_armv4_bs_wm_2, 116135669Scognet generic_bs_wm_4, 117135669Scognet NULL, 118135669Scognet 119135669Scognet /* write region */ 120135669Scognet NULL, 121135669Scognet generic_armv4_bs_wr_2, 122135669Scognet generic_bs_wr_4, 123135669Scognet NULL, 124135669Scognet 125135669Scognet /* set multiple */ 126135669Scognet NULL, 127135669Scognet NULL, 128135669Scognet NULL, 129135669Scognet NULL, 130135669Scognet 131135669Scognet /* set region */ 132135669Scognet NULL, 133135669Scognet generic_armv4_bs_sr_2, 134135669Scognet generic_bs_sr_4, 135135669Scognet NULL, 136135669Scognet 137135669Scognet /* copy */ 138135669Scognet NULL, 139135669Scognet generic_armv4_bs_c_2, 140135669Scognet NULL, 141135669Scognet NULL, 142164824Scognet 143164824Scognet /* read (single) stream */ 144164824Scognet generic_bs_r_1, 145164824Scognet generic_armv4_bs_r_2, 146164824Scognet generic_bs_r_4, 147164824Scognet NULL, 148164824Scognet 149164824Scognet /* read multiple stream */ 150164824Scognet generic_bs_rm_1, 151164824Scognet generic_armv4_bs_rm_2, 152164824Scognet generic_bs_rm_4, 153164824Scognet NULL, 154164824Scognet 155164824Scognet /* read region stream */ 156164824Scognet generic_bs_rr_1, 157164824Scognet generic_armv4_bs_rr_2, 158164824Scognet generic_bs_rr_4, 159164824Scognet NULL, 160164824Scognet 161164824Scognet /* write (single) stream */ 162164824Scognet generic_bs_w_1, 163164824Scognet generic_armv4_bs_w_2, 164164824Scognet generic_bs_w_4, 165164824Scognet NULL, 166164824Scognet 167164824Scognet /* write multiple stream */ 168164824Scognet generic_bs_wm_1, 169164824Scognet generic_armv4_bs_wm_2, 170164824Scognet generic_bs_wm_4, 171164824Scognet NULL, 172164824Scognet 173164824Scognet /* write region stream */ 174164824Scognet NULL, 175164824Scognet generic_armv4_bs_wr_2, 176164824Scognet generic_bs_wr_4, 177164824Scognet NULL, 178135669Scognet}; 179135669Scognet 180135669Scognetvoid 181135669Scogneti80321_bs_init(bus_space_tag_t bs, void *cookie) 182135669Scognet{ 183135669Scognet 184135669Scognet *bs = i80321_bs_tag_template; 185135669Scognet bs->bs_cookie = cookie; 186135669Scognet} 187135669Scognet 188135669Scognetvoid 189135669Scogneti80321_io_bs_init(bus_space_tag_t bs, void *cookie) 190135669Scognet{ 191135669Scognet 192135669Scognet *bs = i80321_bs_tag_template; 193135669Scognet bs->bs_cookie = cookie; 194135669Scognet 195135669Scognet bs->bs_map = i80321_io_bs_map; 196135669Scognet bs->bs_unmap = i80321_io_bs_unmap; 197135669Scognet bs->bs_alloc = i80321_io_bs_alloc; 198135669Scognet bs->bs_free = i80321_io_bs_free; 199135669Scognet 200135669Scognet} 201135669Scognet 202135669Scognetvoid 203135669Scogneti80321_mem_bs_init(bus_space_tag_t bs, void *cookie) 204135669Scognet{ 205135669Scognet 206135669Scognet *bs = i80321_bs_tag_template; 207135669Scognet bs->bs_cookie = cookie; 208135669Scognet 209135669Scognet bs->bs_map = i80321_mem_bs_map; 210135669Scognet bs->bs_unmap = i80321_mem_bs_unmap; 211135669Scognet bs->bs_alloc = i80321_mem_bs_alloc; 212135669Scognet bs->bs_free = i80321_mem_bs_free; 213135669Scognet 214135669Scognet} 215135669Scognet 216135669Scognet/* *** Routines shared by i80321, PCI IO, and PCI MEM. *** */ 217135669Scognet 218135669Scognetint 219135669Scogneti80321_bs_subregion(void *t, bus_space_handle_t bsh, bus_size_t offset, 220135669Scognet bus_size_t size, bus_space_handle_t *nbshp) 221135669Scognet{ 222135669Scognet 223135669Scognet *nbshp = bsh + offset; 224135669Scognet return (0); 225135669Scognet} 226135669Scognet 227135669Scognetvoid 228135669Scogneti80321_bs_barrier(void *t, bus_space_handle_t bsh, bus_size_t offset, 229135669Scognet bus_size_t len, int flags) 230135669Scognet{ 231135669Scognet 232135669Scognet /* Nothing to do. */ 233135669Scognet} 234135669Scognet 235135669Scognet/* *** Routines for PCI IO. *** */ 236135669Scognet 237135669Scognetextern struct i80321_softc *i80321_softc; 238135669Scognetint 239135669Scogneti80321_io_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flags, 240135669Scognet bus_space_handle_t *bshp) 241135669Scognet{ 242135669Scognet struct i80321_softc *sc = i80321_softc; 243135669Scognet vm_offset_t winvaddr; 244135669Scognet uint32_t busbase; 245135669Scognet 246135669Scognet if (bpa >= sc->sc_ioout_xlate && 247135669Scognet bpa < (sc->sc_ioout_xlate + VERDE_OUT_XLATE_IO_WIN_SIZE)) { 248135669Scognet busbase = sc->sc_ioout_xlate; 249135669Scognet winvaddr = sc->sc_iow_vaddr; 250135669Scognet } else 251135669Scognet return (EINVAL); 252135669Scognet 253135669Scognet if ((bpa + size) >= (busbase + VERDE_OUT_XLATE_IO_WIN_SIZE)) 254135669Scognet return (EINVAL); 255135669Scognet 256135669Scognet /* 257135669Scognet * Found the window -- PCI I/O space is mapped at a fixed 258135669Scognet * virtual address by board-specific code. Translate the 259135669Scognet * bus address to the virtual address. 260135669Scognet */ 261135669Scognet *bshp = winvaddr + (bpa - busbase); 262135669Scognet 263135669Scognet return (0); 264135669Scognet} 265135669Scognet 266135669Scognetvoid 267164440Skevloi80321_io_bs_unmap(void *t, bus_space_handle_t h, bus_size_t size) 268135669Scognet{ 269135669Scognet 270135669Scognet /* Nothing to do. */ 271135669Scognet} 272135669Scognet 273135669Scognetint 274135669Scogneti80321_io_bs_alloc(void *t, bus_addr_t rstart, bus_addr_t rend, 275135669Scognet bus_size_t size, bus_size_t alignment, bus_size_t boundary, int flags, 276135669Scognet bus_addr_t *bpap, bus_space_handle_t *bshp) 277135669Scognet{ 278135669Scognet 279135669Scognet panic("i80321_io_bs_alloc(): not implemented"); 280135669Scognet} 281135669Scognet 282236987Simpvoid 283135669Scogneti80321_io_bs_free(void *t, bus_space_handle_t bsh, bus_size_t size) 284135669Scognet{ 285135669Scognet 286135669Scognet panic("i80321_io_bs_free(): not implemented"); 287135669Scognet} 288135669Scognet 289135669Scognet 290135669Scognet/* *** Routines for PCI MEM. *** */ 291135669Scognetextern int badaddr_read(void *, int, void *); 292135669Scognetint 293135669Scogneti80321_mem_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flags, 294135669Scognet bus_space_handle_t *bshp) 295135669Scognet{ 296151524Scognet vm_paddr_t pa, endpa; 297135669Scognet 298135669Scognet pa = trunc_page(bpa); 299135669Scognet endpa = round_page(bpa + size); 300135669Scognet 301135669Scognet *bshp = (vm_offset_t)pmap_mapdev(pa, endpa - pa); 302236987Simp 303135669Scognet return (0); 304135669Scognet} 305135669Scognet 306135669Scognetvoid 307164440Skevloi80321_mem_bs_unmap(void *t, bus_space_handle_t h, bus_size_t size) 308135669Scognet{ 309135669Scognet vm_offset_t va, endva; 310135669Scognet 311135669Scognet va = trunc_page((vm_offset_t)t); 312135669Scognet endva = va + round_page(size); 313135669Scognet 314135669Scognet /* Free the kernel virtual mapping. */ 315254025Sjeff kva_free(va, endva - va); 316135669Scognet} 317135669Scognet 318135669Scognetint 319135669Scogneti80321_mem_bs_alloc(void *t, bus_addr_t rstart, bus_addr_t rend, 320135669Scognet bus_size_t size, bus_size_t alignment, bus_size_t boundary, int flags, 321135669Scognet bus_addr_t *bpap, bus_space_handle_t *bshp) 322135669Scognet{ 323135669Scognet 324135669Scognet panic("i80321_mem_bs_alloc(): not implemented"); 325135669Scognet} 326135669Scognet 327236987Simpvoid 328135669Scogneti80321_mem_bs_free(void *t, bus_space_handle_t bsh, bus_size_t size) 329135669Scognet{ 330135669Scognet 331135669Scognet panic("i80321_mem_bs_free(): not implemented"); 332135669Scognet} 333