1179595Sbenno/* $NetBSD: obio_space.c,v 1.6 2003/07/15 00:25:05 lukem Exp $ */ 2179595Sbenno 3179595Sbenno/*- 4179595Sbenno * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. 5179595Sbenno * All rights reserved. 6179595Sbenno * 7179595Sbenno * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8179595Sbenno * 9179595Sbenno * Redistribution and use in source and binary forms, with or without 10179595Sbenno * modification, are permitted provided that the following conditions 11179595Sbenno * are met: 12179595Sbenno * 1. Redistributions of source code must retain the above copyright 13179595Sbenno * notice, this list of conditions and the following disclaimer. 14179595Sbenno * 2. Redistributions in binary form must reproduce the above copyright 15179595Sbenno * notice, this list of conditions and the following disclaimer in the 16179595Sbenno * documentation and/or other materials provided with the distribution. 17179595Sbenno * 3. All advertising materials mentioning features or use of this software 18179595Sbenno * must display the following acknowledgement: 19179595Sbenno * This product includes software developed for the NetBSD Project by 20179595Sbenno * Wasabi Systems, Inc. 21179595Sbenno * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22179595Sbenno * or promote products derived from this software without specific prior 23179595Sbenno * written permission. 24179595Sbenno * 25179595Sbenno * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26179595Sbenno * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27179595Sbenno * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28179595Sbenno * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29179595Sbenno * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30179595Sbenno * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31179595Sbenno * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32179595Sbenno * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33179595Sbenno * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34179595Sbenno * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35179595Sbenno * POSSIBILITY OF SUCH DAMAGE. 36179595Sbenno */ 37179595Sbenno 38179595Sbenno/* 39179595Sbenno * bus_space functions for PXA devices 40179595Sbenno */ 41179595Sbenno 42179595Sbenno#include <sys/cdefs.h> 43179595Sbenno__FBSDID("$FreeBSD: stable/11/sys/arm/xscale/pxa/pxa_space.c 314506 2017-03-01 19:55:04Z ian $"); 44179595Sbenno 45179595Sbenno#include <sys/param.h> 46179595Sbenno#include <sys/systm.h> 47179595Sbenno#include <sys/bus.h> 48179595Sbenno#include <sys/kernel.h> 49179595Sbenno#include <sys/malloc.h> 50179595Sbenno 51179595Sbenno#include <machine/bus.h> 52179595Sbenno 53179595Sbenno#include <arm/xscale/pxa/pxareg.h> 54179595Sbenno#include <arm/xscale/pxa/pxavar.h> 55179595Sbenno 56227293Sedstatic MALLOC_DEFINE(M_PXATAG, "PXA bus_space tags", "Bus_space tags for PXA"); 57179595Sbenno 58179595Sbenno/* Prototypes for all the bus_space structure functions */ 59179595Sbennobs_protos(generic); 60179595Sbennobs_protos(pxa); 61179595Sbenno 62179595Sbenno/* 63179595Sbenno * The obio bus space tag. This is constant for all instances, so 64179595Sbenno * we never have to explicitly "create" it. 65179595Sbenno */ 66179595Sbennostruct bus_space _base_tag = { 67179595Sbenno /* cookie */ 68277479Sian .bs_privdata = NULL, 69179595Sbenno 70179595Sbenno /* mapping/unmapping */ 71277479Sian .bs_map = generic_bs_map, 72277479Sian .bs_unmap = generic_bs_unmap, 73277479Sian .bs_subregion = generic_bs_subregion, 74179595Sbenno 75179595Sbenno /* allocation/deallocation */ 76277479Sian .bs_alloc = generic_bs_alloc, 77277479Sian .bs_free = generic_bs_free, 78179595Sbenno 79179595Sbenno /* barrier */ 80277479Sian .bs_barrier = generic_bs_barrier, 81179595Sbenno 82179595Sbenno /* read (single) */ 83277479Sian .bs_r_1 = pxa_bs_r_1, 84277479Sian .bs_r_2 = pxa_bs_r_2, 85277479Sian .bs_r_4 = pxa_bs_r_4, 86277479Sian .bs_r_8 = BS_UNIMPLEMENTED, 87179595Sbenno 88179595Sbenno /* read multiple */ 89277479Sian .bs_rm_1 = pxa_bs_rm_1, 90277479Sian .bs_rm_2 = pxa_bs_rm_2, 91277479Sian .bs_rm_4 = BS_UNIMPLEMENTED, 92277479Sian .bs_rm_8 = BS_UNIMPLEMENTED, 93179595Sbenno 94179595Sbenno /* read region */ 95277479Sian .bs_rr_1 = pxa_bs_rr_1, 96277479Sian .bs_rr_2 = BS_UNIMPLEMENTED, 97277479Sian .bs_rr_4 = BS_UNIMPLEMENTED, 98277479Sian .bs_rr_8 = BS_UNIMPLEMENTED, 99179595Sbenno 100179595Sbenno /* write (single) */ 101277479Sian .bs_w_1 = pxa_bs_w_1, 102277479Sian .bs_w_2 = pxa_bs_w_2, 103277479Sian .bs_w_4 = pxa_bs_w_4, 104277479Sian .bs_w_8 = BS_UNIMPLEMENTED, 105179595Sbenno 106179595Sbenno /* write multiple */ 107277479Sian .bs_wm_1 = pxa_bs_wm_1, 108277479Sian .bs_wm_2 = pxa_bs_wm_2, 109277479Sian .bs_wm_4 = BS_UNIMPLEMENTED, 110277479Sian .bs_wm_8 = BS_UNIMPLEMENTED, 111179595Sbenno 112179595Sbenno /* write region */ 113277479Sian .bs_wr_1 = BS_UNIMPLEMENTED, 114277479Sian .bs_wr_2 = BS_UNIMPLEMENTED, 115277479Sian .bs_wr_4 = BS_UNIMPLEMENTED, 116277479Sian .bs_wr_8 = BS_UNIMPLEMENTED, 117179595Sbenno 118179595Sbenno /* set multiple */ 119277479Sian .bs_sm_1 = BS_UNIMPLEMENTED, 120277479Sian .bs_sm_2 = BS_UNIMPLEMENTED, 121277479Sian .bs_sm_4 = BS_UNIMPLEMENTED, 122277479Sian .bs_sm_8 = BS_UNIMPLEMENTED, 123179595Sbenno 124179595Sbenno /* set region */ 125277479Sian .bs_sr_1 = BS_UNIMPLEMENTED, 126277479Sian .bs_sr_2 = BS_UNIMPLEMENTED, 127277479Sian .bs_sr_4 = BS_UNIMPLEMENTED, 128277479Sian .bs_sr_8 = BS_UNIMPLEMENTED, 129179595Sbenno 130179595Sbenno /* copy */ 131277479Sian .bs_c_1 = BS_UNIMPLEMENTED, 132277479Sian .bs_c_2 = BS_UNIMPLEMENTED, 133277479Sian .bs_c_4 = BS_UNIMPLEMENTED, 134277479Sian .bs_c_8 = BS_UNIMPLEMENTED, 135277479Sian 136277479Sian /* read stream (single) */ 137277479Sian .bs_r_1_s = BS_UNIMPLEMENTED, 138277479Sian .bs_r_2_s = BS_UNIMPLEMENTED, 139277479Sian .bs_r_4_s = BS_UNIMPLEMENTED, 140277479Sian .bs_r_8_s = BS_UNIMPLEMENTED, 141277479Sian 142277479Sian /* read multiple stream */ 143277479Sian .bs_rm_1_s = BS_UNIMPLEMENTED, 144277479Sian .bs_rm_2_s = BS_UNIMPLEMENTED, 145277479Sian .bs_rm_4_s = BS_UNIMPLEMENTED, 146277479Sian .bs_rm_8_s = BS_UNIMPLEMENTED, 147277479Sian 148277479Sian /* read region stream */ 149277479Sian .bs_rr_1_s = BS_UNIMPLEMENTED, 150277479Sian .bs_rr_2_s = BS_UNIMPLEMENTED, 151277479Sian .bs_rr_4_s = BS_UNIMPLEMENTED, 152277479Sian .bs_rr_8_s = BS_UNIMPLEMENTED, 153277479Sian 154277479Sian /* write stream (single) */ 155277479Sian .bs_w_1_s = BS_UNIMPLEMENTED, 156277479Sian .bs_w_2_s = BS_UNIMPLEMENTED, 157277479Sian .bs_w_4_s = BS_UNIMPLEMENTED, 158277479Sian .bs_w_8_s = BS_UNIMPLEMENTED, 159277479Sian 160277479Sian /* write multiple stream */ 161277479Sian .bs_wm_1_s = BS_UNIMPLEMENTED, 162277479Sian .bs_wm_2_s = BS_UNIMPLEMENTED, 163277479Sian .bs_wm_4_s = BS_UNIMPLEMENTED, 164277479Sian .bs_wm_8_s = BS_UNIMPLEMENTED, 165277479Sian 166277479Sian /* write region stream */ 167277479Sian .bs_wr_1_s = BS_UNIMPLEMENTED, 168277479Sian .bs_wr_2_s = BS_UNIMPLEMENTED, 169277479Sian .bs_wr_4_s = BS_UNIMPLEMENTED, 170277479Sian .bs_wr_8_s = BS_UNIMPLEMENTED, 171179595Sbenno}; 172179595Sbenno 173179595Sbennostatic struct bus_space _obio_tag; 174179595Sbenno 175179595Sbennobus_space_tag_t base_tag = &_base_tag; 176179595Sbennobus_space_tag_t obio_tag = NULL; 177179595Sbenno 178179595Sbennovoid 179314506Sianpxa_obio_tag_init(void) 180179595Sbenno{ 181179595Sbenno 182179595Sbenno bcopy(&_base_tag, &_obio_tag, sizeof(struct bus_space)); 183277460Sian _obio_tag.bs_privdata = (void *)PXA2X0_PERIPH_OFFSET; 184179595Sbenno obio_tag = &_obio_tag; 185179595Sbenno} 186179595Sbenno 187179595Sbennobus_space_tag_t 188179595Sbennopxa_bus_tag_alloc(bus_addr_t offset) 189179595Sbenno{ 190179595Sbenno struct bus_space *tag; 191179595Sbenno 192179595Sbenno tag = (struct bus_space *)malloc(sizeof(struct bus_space), M_PXATAG, 193179595Sbenno M_WAITOK); 194179595Sbenno if (tag == NULL) { 195179595Sbenno return (NULL); 196179595Sbenno } 197179595Sbenno 198179595Sbenno bcopy(&_base_tag, tag, sizeof(struct bus_space)); 199277460Sian tag->bs_privdata = (void *)offset; 200179595Sbenno 201179595Sbenno return ((bus_space_tag_t)tag); 202179595Sbenno} 203179595Sbenno 204179595Sbenno 205179595Sbenno#define READ_SINGLE(type, proto, base) \ 206179595Sbenno type \ 207277460Sian proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset) \ 208179595Sbenno { \ 209179595Sbenno bus_addr_t tag_offset; \ 210179595Sbenno type value; \ 211277460Sian tag_offset = (bus_addr_t)tag->bs_privdata; \ 212179595Sbenno value = base(NULL, bsh + tag_offset, offset); \ 213179595Sbenno return (value); \ 214179595Sbenno } 215179595Sbenno 216179595SbennoREAD_SINGLE(u_int8_t, pxa_bs_r_1, generic_bs_r_1) 217277467SianREAD_SINGLE(u_int16_t, pxa_bs_r_2, generic_bs_r_2) 218179595SbennoREAD_SINGLE(u_int32_t, pxa_bs_r_4, generic_bs_r_4) 219179595Sbenno 220179595Sbenno#undef READ_SINGLE 221179595Sbenno 222179595Sbenno#define WRITE_SINGLE(type, proto, base) \ 223179595Sbenno void \ 224277460Sian proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, \ 225179595Sbenno type value) \ 226179595Sbenno { \ 227179595Sbenno bus_addr_t tag_offset; \ 228277460Sian tag_offset = (bus_addr_t)tag->bs_privdata; \ 229179595Sbenno base(NULL, bsh + tag_offset, offset, value); \ 230179595Sbenno } 231179595Sbenno 232179595SbennoWRITE_SINGLE(u_int8_t, pxa_bs_w_1, generic_bs_w_1) 233277467SianWRITE_SINGLE(u_int16_t, pxa_bs_w_2, generic_bs_w_2) 234179595SbennoWRITE_SINGLE(u_int32_t, pxa_bs_w_4, generic_bs_w_4) 235179595Sbenno 236179595Sbenno#undef WRITE_SINGLE 237179595Sbenno 238179595Sbenno#define READ_MULTI(type, proto, base) \ 239179595Sbenno void \ 240277460Sian proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, \ 241179595Sbenno type *dest, bus_size_t count) \ 242179595Sbenno { \ 243179595Sbenno bus_addr_t tag_offset; \ 244277460Sian tag_offset = (bus_addr_t)tag->bs_privdata; \ 245179595Sbenno base(NULL, bsh + tag_offset, offset, dest, count); \ 246179595Sbenno } 247179595Sbenno 248179595SbennoREAD_MULTI(u_int8_t, pxa_bs_rm_1, generic_bs_rm_1) 249277467SianREAD_MULTI(u_int16_t, pxa_bs_rm_2, generic_bs_rm_2) 250179595Sbenno 251179595SbennoREAD_MULTI(u_int8_t, pxa_bs_rr_1, generic_bs_rr_1) 252179595Sbenno 253179595Sbenno#undef READ_MULTI 254179595Sbenno 255179595Sbenno#define WRITE_MULTI(type, proto, base) \ 256179595Sbenno void \ 257277460Sian proto(bus_space_tag_t tag, bus_space_handle_t bsh, bus_size_t offset, \ 258179595Sbenno const type *src, bus_size_t count) \ 259179595Sbenno { \ 260179595Sbenno bus_addr_t tag_offset; \ 261277460Sian tag_offset = (bus_addr_t)tag->bs_privdata; \ 262179595Sbenno base(NULL, bsh + tag_offset, offset, src, count); \ 263179595Sbenno } 264179595Sbenno 265179595SbennoWRITE_MULTI(u_int8_t, pxa_bs_wm_1, generic_bs_wm_1) 266277467SianWRITE_MULTI(u_int16_t, pxa_bs_wm_2, generic_bs_wm_2) 267179595Sbenno 268179595Sbenno#undef WRITE_MULTI 269