Deleted Added
sdiff udiff text old ( 165147 ) new ( 174782 )
full compact
bus.h (165147) bus.h (174782)
1/* $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $ */
2
1/*-
3/*-
2 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
4 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
7 * NASA Ames Research Center.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions

--- 49 unchanged lines hidden (view full) ---

60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 *
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions

--- 49 unchanged lines hidden (view full) ---

62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
64 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
65 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
66 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
67 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
68 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 *
68 * $NetBSD: bus.h,v 1.9.4.1 2000/06/30 16:27:30 simonb Exp $
69 * $FreeBSD: head/sys/powerpc/include/bus.h 165147 2006-12-13 03:25:31Z marcel $
70 * $FreeBSD: head/sys/powerpc/include/bus.h 174782 2007-12-19 18:00:50Z marcel $
70 */
71
71 */
72
72#ifndef _MACPPC_BUS_H_
73#define _MACPPC_BUS_H_
73#ifndef _MACHINE_BUS_H_
74#define _MACHINE_BUS_H_
74
75#include <machine/_bus.h>
75
76#include <machine/_bus.h>
76#include <machine/pio.h>
77
77
78#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
79#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
80#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
81#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
78#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
79
80#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
82#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
81#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
83#define BUS_SPACE_MAXADDR 0xFFFFFFFF
82#define BUS_SPACE_MAXADDR 0xFFFFFFFF
83#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
84#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
85#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
84
86
85#define BUS_SPACE_UNRESTRICTED (~0)
87#define BUS_SPACE_MAP_CACHEABLE 0x01
88#define BUS_SPACE_MAP_LINEAR 0x02
89#define BUS_SPACE_MAP_PREFETCHABLE 0x04
86
90
87/*
88 * Values for the macppc bus space tag, not to be used directly by MI code.
89 */
91#define BUS_SPACE_UNRESTRICTED (~0)
90
92
91#define __BUS_SPACE_HAS_STREAM_METHODS 1
93#define BUS_SPACE_BARRIER_READ 0x01
94#define BUS_SPACE_BARRIER_WRITE 0x02
92
95
93/*
94 * Define the PPC tag values
95 */
96#define PPC_BUS_SPACE_MEM 1 /* space is mem space */
97#define PPC_BUS_SPACE_IO 2 /* space is io space */
96struct bus_space_access;
98
97
99static __inline void *
100__ppc_ba(bus_space_tag_t tag __unused, bus_space_handle_t handle,
101 bus_size_t offset)
102{
103 return ((void *)(handle + offset));
104}
98struct bus_space {
99 /* mapping/unmapping */
100 int (*bs_map)(bus_addr_t, bus_size_t, int,
101 bus_space_handle_t *);
102 void (*bs_unmap)(bus_size_t);
103 int (*bs_subregion)(bus_space_handle_t, bus_size_t,
104 bus_size_t, bus_space_handle_t *);
105
105
106/*
107 * int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
108 * bus_size_t size, int flags, bus_space_handle_t *bshp));
109 *
110 * Map a region of bus space.
111 */
106 /* allocation/deallocation */
107 int (*bs_alloc)(bus_addr_t, bus_addr_t, bus_size_t,
108 bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
109 void (*bs_free)(bus_space_handle_t, bus_size_t);
112
110
113static __inline int
114bus_space_map(bus_space_tag_t t __unused, bus_addr_t addr,
115 bus_size_t size __unused, int flags __unused,
116 bus_space_handle_t *bshp)
117{
111 void (*bs_barrier)(bus_space_handle_t, bus_size_t,
112 bus_size_t, int);
118
113
119 *bshp = addr;
120 return (0);
121}
114 /* Read single. */
115 uint8_t (*bs_r_1)(bus_space_handle_t, bus_size_t);
116 uint16_t (*bs_r_2)(bus_space_handle_t, bus_size_t);
117 uint32_t (*bs_r_4)(bus_space_handle_t, bus_size_t);
118 uint64_t (*bs_r_8)(bus_space_handle_t, bus_size_t);
122
119
123/*
124 * int bus_space_unmap(bus_space_tag_t t,
125 * bus_space_handle_t bsh, bus_size_t size));
126 *
127 * Unmap a region of bus space.
128 */
120 uint16_t (*bs_r_s_2)(bus_space_handle_t, bus_size_t);
121 uint32_t (*bs_r_s_4)(bus_space_handle_t, bus_size_t);
122 uint64_t (*bs_r_s_8)(bus_space_handle_t, bus_size_t);
129
123
130static __inline void
131bus_space_unmap(bus_space_tag_t t __unused, bus_space_handle_t bsh __unused,
132 bus_size_t size __unused)
133{
134}
124 /* read multiple */
125 void (*bs_rm_1)(bus_space_handle_t, bus_size_t, uint8_t *,
126 bus_size_t);
127 void (*bs_rm_2)(bus_space_handle_t, bus_size_t, uint16_t *,
128 bus_size_t);
129 void (*bs_rm_4)(bus_space_handle_t, bus_size_t, uint32_t *,
130 bus_size_t);
131 void (*bs_rm_8)(bus_space_handle_t, bus_size_t, uint64_t *,
132 bus_size_t);
135
133
136/*
137 * int bus_space_subregion(bus_space_tag_t t,
138 * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
139 * bus_space_handle_t *nbshp));
140 *
141 * Get a new handle for a subregion of an already-mapped area of bus space.
142 */
134 void (*bs_rm_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
135 bus_size_t);
136 void (*bs_rm_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
137 bus_size_t);
138 void (*bs_rm_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
139 bus_size_t);
143
140
144static __inline int
145bus_space_subregion(bus_space_tag_t t __unused, bus_space_handle_t bsh,
146 bus_size_t offset, bus_size_t size __unused, bus_space_handle_t *nbshp)
147{
148 *nbshp = bsh + offset;
149 return (0);
150}
141 /* read region */
142 void (*bs_rr_1)(bus_space_handle_t, bus_size_t, uint8_t *,
143 bus_size_t);
144 void (*bs_rr_2)(bus_space_handle_t, bus_size_t, uint16_t *,
145 bus_size_t);
146 void (*bs_rr_4)(bus_space_handle_t, bus_size_t, uint32_t *,
147 bus_size_t);
148 void (*bs_rr_8)(bus_space_handle_t, bus_size_t, uint64_t *,
149 bus_size_t);
151
150
152/*
153 * int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart,
154 * bus_addr_t rend, bus_size_t size, bus_size_t align,
155 * bus_size_t boundary, int flags, bus_addr_t *addrp,
156 * bus_space_handle_t *bshp));
157 *
158 * Allocate a region of bus space.
159 */
151 void (*bs_rr_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
152 bus_size_t);
153 void (*bs_rr_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
154 bus_size_t);
155 void (*bs_rr_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
156 bus_size_t);
160
157
161#if 0
162#define bus_space_alloc(t, rs, re, s, a, b, f, ap, hp) !!! unimplemented !!!
163#endif
158 /* write */
159 void (*bs_w_1)(bus_space_handle_t, bus_size_t, uint8_t);
160 void (*bs_w_2)(bus_space_handle_t, bus_size_t, uint16_t);
161 void (*bs_w_4)(bus_space_handle_t, bus_size_t, uint32_t);
162 void (*bs_w_8)(bus_space_handle_t, bus_size_t, uint64_t);
164
163
165/*
166 * int bus_space_free(bus_space_tag_t t,
167 * bus_space_handle_t bsh, bus_size_t size));
168 *
169 * Free a region of bus space.
170 */
171#if 0
172#define bus_space_free(t, h, s) !!! unimplemented !!!
173#endif
164 void (*bs_w_s_2)(bus_space_handle_t, bus_size_t, uint16_t);
165 void (*bs_w_s_4)(bus_space_handle_t, bus_size_t, uint32_t);
166 void (*bs_w_s_8)(bus_space_handle_t, bus_size_t, uint64_t);
174
167
175/*
176 * u_intN_t bus_space_read_N(bus_space_tag_t tag,
177 * bus_space_handle_t bsh, bus_size_t offset));
178 *
179 * Read a 1, 2, 4, or 8 byte quantity from bus space
180 * described by tag/handle/offset.
181 */
168 /* write multiple */
169 void (*bs_wm_1)(bus_space_handle_t, bus_size_t,
170 const uint8_t *, bus_size_t);
171 void (*bs_wm_2)(bus_space_handle_t, bus_size_t,
172 const uint16_t *, bus_size_t);
173 void (*bs_wm_4)(bus_space_handle_t, bus_size_t,
174 const uint32_t *, bus_size_t);
175 void (*bs_wm_8)(bus_space_handle_t, bus_size_t,
176 const uint64_t *, bus_size_t);
182
177
183static __inline u_int8_t
184bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
185{
186 return (in8(__ppc_ba(t, h, o)));
187}
178 void (*bs_wm_s_2)(bus_space_handle_t, bus_size_t,
179 const uint16_t *, bus_size_t);
180 void (*bs_wm_s_4)(bus_space_handle_t, bus_size_t,
181 const uint32_t *, bus_size_t);
182 void (*bs_wm_s_8)(bus_space_handle_t, bus_size_t,
183 const uint64_t *, bus_size_t);
188
184
189static __inline u_int16_t
190bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
191{
192 return (in16rb(__ppc_ba(t, h, o)));
193}
185 /* write region */
186 void (*bs_wr_1)(bus_space_handle_t, bus_size_t,
187 const uint8_t *, bus_size_t);
188 void (*bs_wr_2)(bus_space_handle_t, bus_size_t,
189 const uint16_t *, bus_size_t);
190 void (*bs_wr_4)(bus_space_handle_t, bus_size_t,
191 const uint32_t *, bus_size_t);
192 void (*bs_wr_8)(bus_space_handle_t, bus_size_t,
193 const uint64_t *, bus_size_t);
194
194
195static __inline u_int32_t
196bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
197{
198 return (in32rb(__ppc_ba(t, h, o)));
199}
195 void (*bs_wr_s_2)(bus_space_handle_t, bus_size_t,
196 const uint16_t *, bus_size_t);
197 void (*bs_wr_s_4)(bus_space_handle_t, bus_size_t,
198 const uint32_t *, bus_size_t);
199 void (*bs_wr_s_8)(bus_space_handle_t, bus_size_t,
200 const uint64_t *, bus_size_t);
200
201
201#if 0 /* Cause a link error for bus_space_read_8 */
202#define bus_space_read_8(t, h, o) !!! unimplemented !!!
203#endif
202 /* set multiple */
203 void (*bs_sm_1)(bus_space_handle_t, bus_size_t, uint8_t,
204 bus_size_t);
205 void (*bs_sm_2)(bus_space_handle_t, bus_size_t, uint16_t,
206 bus_size_t);
207 void (*bs_sm_4)(bus_space_handle_t, bus_size_t, uint32_t,
208 bus_size_t);
209 void (*bs_sm_8)(bus_space_handle_t, bus_size_t, uint64_t,
210 bus_size_t);
204
211
205static __inline u_int8_t
206bus_space_read_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
207{
208 return (in8(__ppc_ba(t, h, o)));
209}
212 void (*bs_sm_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
213 bus_size_t);
214 void (*bs_sm_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
215 bus_size_t);
216 void (*bs_sm_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
217 bus_size_t);
210
218
211static __inline u_int16_t
212bus_space_read_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
213{
214 return (in16(__ppc_ba(t, h, o)));
215}
219 /* set region */
220 void (*bs_sr_1)(bus_space_handle_t, bus_size_t, uint8_t,
221 bus_size_t);
222 void (*bs_sr_2)(bus_space_handle_t, bus_size_t, uint16_t,
223 bus_size_t);
224 void (*bs_sr_4)(bus_space_handle_t, bus_size_t, uint32_t,
225 bus_size_t);
226 void (*bs_sr_8)(bus_space_handle_t, bus_size_t, uint64_t,
227 bus_size_t);
216
228
217static __inline u_int32_t
218bus_space_read_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
219{
220 return (in32(__ppc_ba(t, h, o)));
221}
229 void (*bs_sr_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
230 bus_size_t);
231 void (*bs_sr_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
232 bus_size_t);
233 void (*bs_sr_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
234 bus_size_t);
222
235
223#if 0 /* Cause a link error for bus_space_read_stream_8 */
224#define bus_space_read_stream_8(t, h, o) !!! unimplemented !!!
225#endif
236 /* copy region */
237 void (*bs_cr_1)(bus_space_handle_t, bus_size_t,
238 bus_space_handle_t, bus_size_t, bus_size_t);
239 void (*bs_cr_2)(bus_space_handle_t, bus_size_t,
240 bus_space_handle_t, bus_size_t, bus_size_t);
241 void (*bs_cr_4)(bus_space_handle_t, bus_size_t,
242 bus_space_handle_t, bus_size_t, bus_size_t);
243 void (*bs_cr_8)(bus_space_handle_t, bus_size_t,
244 bus_space_handle_t, bus_size_t, bus_size_t);
226
245
227/*
228 * void bus_space_read_multi_N(bus_space_tag_t tag,
229 * bus_space_handle_t bsh, bus_size_t offset,
230 * u_intN_t *addr, size_t count));
231 *
232 * Read `count' 1, 2, 4, or 8 byte quantities from bus space
233 * described by tag/handle/offset and copy into buffer provided.
234 */
246 void (*bs_cr_s_2)(bus_space_handle_t, bus_size_t,
247 bus_space_handle_t, bus_size_t, bus_size_t);
248 void (*bs_cr_s_4)(bus_space_handle_t, bus_size_t,
249 bus_space_handle_t, bus_size_t, bus_size_t);
250 void (*bs_cr_s_8)(bus_space_handle_t, bus_size_t,
251 bus_space_handle_t, bus_size_t, bus_size_t);
252};
235
253
236static __inline void
237bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
238 u_int8_t *a, size_t c)
239{
240 ins8(__ppc_ba(t, h, o), a, c);
241}
254extern struct bus_space bs_be_tag;
255extern struct bus_space bs_le_tag;
242
256
243static __inline void
244bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
245 u_int16_t *a, size_t c)
246{
247 ins16rb(__ppc_ba(t, h, o), a, c);
248}
257#define __bs_c(a,b) __CONCAT(a,b)
258#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
249
259
250static __inline void
251bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
252 u_int32_t *a, size_t c)
253{
254 ins32rb(__ppc_ba(t, h, o), a, c);
255}
260#define __bs_rs(sz, t, h, o) \
261 (*(t)->__bs_opname(r,sz))(h, o)
262#define __bs_ws(sz, t, h, o, v) \
263 (*(t)->__bs_opname(w,sz))(h, o, v)
264#define __bs_nonsingle(type, sz, t, h, o, a, c) \
265 (*(t)->__bs_opname(type,sz))(h, o, a, c)
266#define __bs_set(type, sz, t, h, o, v, c) \
267 (*(t)->__bs_opname(type,sz))(h, o, v, c)
268#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
269 (*(t)->__bs_opname(c,sz))(h1, o1, h2, o2, cnt)
256
270
257#if 0 /* Cause a link error for bus_space_read_multi_8 */
258#define bus_space_read_multi_8 !!! unimplemented !!!
259#endif
271/*
272 * Mapping and unmapping operations.
273 */
274#define bus_space_map(t, a, s, c, hp) (*(t)->bs_map)(a, s, c, hp)
275#define bus_space_unmap(t, h, s) (*(t)->bs_unmap)(h, s)
276#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp)
260
277
261static __inline void
262bus_space_read_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h,
263 bus_size_t o, u_int8_t *a, size_t c)
264{
265 ins8(__ppc_ba(t, h, o), a, c);
266}
278/*
279 * Allocation and deallocation operations.
280 */
281#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
282 (*(t)->bs_alloc)(rs, re, s, a, b, c, ap, hp)
283#define bus_space_free(t, h, s) \
284 (*(t)->bs_free)(h, s)
267
285
268static __inline void
269bus_space_read_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h,
270 bus_size_t o, u_int16_t *a, size_t c)
271{
272 ins16(__ppc_ba(t, h, o), a, c);
273}
286/*
287 * Bus barrier operations.
288 */
289#define bus_space_barrier(t, h, o, l, f) (*(t)->bs_barrier)(h, o, l, f)
274
290
275static __inline void
276bus_space_read_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h,
277 bus_size_t o, u_int32_t *a, size_t c)
278{
279 ins32(__ppc_ba(t, h, o), a, c);
280}
291/*
292 * Bus read (single) operations.
293 */
294#define bus_space_read_1(t, h, o) __bs_rs(1,t,h,o)
295#define bus_space_read_2(t, h, o) __bs_rs(2,t,h,o)
296#define bus_space_read_4(t, h, o) __bs_rs(4,t,h,o)
297#define bus_space_read_8(t, h, o) __bs_rs(8,t,h,o)
281
298
282#if 0 /* Cause a link error for bus_space_read_multi_stream_8 */
283#define bus_space_read_multi_stream_8 !!! unimplemented !!!
284#endif
299#define bus_space_read_stream_1 bus_space_read_1
300#define bus_space_read_stream_2(t, h, o) __bs_rs(s_2,t,h,o)
301#define bus_space_read_stream_4(t, h, o) __bs_rs(s_4,t,h,o)
302#define bus_space_read_stream_8(t, h, o) __bs_rs(s_8,t,h,o)
285
286/*
303
304/*
287 * void bus_space_read_region_N(bus_space_tag_t tag,
288 * bus_space_handle_t bsh, bus_size_t offset,
289 * u_intN_t *addr, size_t count));
290 *
291 * Read `count' 1, 2, 4, or 8 byte quantities from bus space
292 * described by tag/handle and starting at `offset' and copy into
293 * buffer provided.
305 * Bus read multiple operations.
294 */
306 */
307#define bus_space_read_multi_1(t, h, o, a, c) \
308 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
309#define bus_space_read_multi_2(t, h, o, a, c) \
310 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
311#define bus_space_read_multi_4(t, h, o, a, c) \
312 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
313#define bus_space_read_multi_8(t, h, o, a, c) \
314 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
295
315
296static __inline void
297bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
298 bus_size_t offset, u_int8_t *addr, size_t count)
299{
300 volatile u_int8_t *s = __ppc_ba(tag, bsh, offset);
316#define bus_space_read_multi_stream_1 bus_space_read_multi_1
317#define bus_space_read_multi_stream_2(t, h, o, a, c) \
318 __bs_nonsingle(rm,s_2,(t),(h),(o),(a),(c))
319#define bus_space_read_multi_stream_4(t, h, o, a, c) \
320 __bs_nonsingle(rm,s_4,(t),(h),(o),(a),(c))
321#define bus_space_read_multi_stream_8(t, h, o, a, c) \
322 __bs_nonsingle(rm,s_8,(t),(h),(o),(a),(c))
301
323
302 while (count--)
303 *addr++ = *s++;
304 __asm __volatile("eieio; sync");
305}
306
307static __inline void
308bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
309 bus_size_t offset, u_int16_t *addr, size_t count)
310{
311 volatile u_int16_t *s = __ppc_ba(tag, bsh, offset);
312
313 while (count--)
314 __asm __volatile("lhbrx %0, 0, %1" :
315 "=r"(*addr++) : "r"(s++));
316 __asm __volatile("eieio; sync");
317}
318
319static __inline void
320bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
321 bus_size_t offset, u_int32_t *addr, size_t count)
322{
323 volatile u_int32_t *s = __ppc_ba(tag, bsh, offset);
324
325 while (count--)
326 __asm __volatile("lwbrx %0, 0, %1" :
327 "=r"(*addr++) : "r"(s++));
328 __asm __volatile("eieio; sync");
329}
330
331#if 0 /* Cause a link error for bus_space_read_region_8 */
332#define bus_space_read_region_8 !!! unimplemented !!!
333#endif
334
335static __inline void
336bus_space_read_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
337 bus_size_t offset, u_int16_t *addr, size_t count)
338{
339 volatile u_int16_t *s = __ppc_ba(tag, bsh, offset);
340
341 while (count--)
342 *addr++ = *s++;
343 __asm __volatile("eieio; sync");
344}
345
346static __inline void
347bus_space_read_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
348 bus_size_t offset, u_int32_t *addr, size_t count)
349{
350 volatile u_int32_t *s = __ppc_ba(tag, bsh, offset);
351
352 while (count--)
353 *addr++ = *s++;
354 __asm __volatile("eieio; sync");
355}
356
357#if 0 /* Cause a link error */
358#define bus_space_read_region_stream_8 !!! unimplemented !!!
359#endif
360
361/*
324/*
362 * void bus_space_write_N(bus_space_tag_t tag,
363 * bus_space_handle_t bsh, bus_size_t offset,
364 * u_intN_t value));
365 *
366 * Write the 1, 2, 4, or 8 byte value `value' to bus space
367 * described by tag/handle/offset.
325 * Bus read region operations.
368 */
326 */
327#define bus_space_read_region_1(t, h, o, a, c) \
328 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
329#define bus_space_read_region_2(t, h, o, a, c) \
330 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
331#define bus_space_read_region_4(t, h, o, a, c) \
332 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
333#define bus_space_read_region_8(t, h, o, a, c) \
334 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
369
335
370static __inline void
371bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
372 uint8_t v)
373{
374 out8(__ppc_ba(t, h, o), v);
375}
336#define bus_space_read_region_stream_1 bus_space_read_region_1
337#define bus_space_read_region_stream_2(t, h, o, a, c) \
338 __bs_nonsingle(rr,s_2,(t),(h),(o),(a),(c))
339#define bus_space_read_region_stream_4(t, h, o, a, c) \
340 __bs_nonsingle(rr,s_4,(t),(h),(o),(a),(c))
341#define bus_space_read_region_stream_8(t, h, o, a, c) \
342 __bs_nonsingle(rr,s_8,(t),(h),(o),(a),(c))
376
343
377static __inline void
378bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
379 uint16_t v)
380{
381 out16rb(__ppc_ba(t, h, o), v);
382}
383
384static __inline void
385bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
386 uint32_t v)
387{
388 out32rb(__ppc_ba(t, h, o), v);
389}
390
391#if 0 /* Cause a link error for bus_space_write_8 */
392#define bus_space_write_8 !!! unimplemented !!!
393#endif
394
395static __inline void
396bus_space_write_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
397 uint8_t v)
398{
399 out8(__ppc_ba(t, h, o), v);
400}
401
402static __inline void
403bus_space_write_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
404 uint16_t v)
405{
406 out16(__ppc_ba(t, h, o), v);
407}
408
409static __inline void
410bus_space_write_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
411 uint32_t v)
412{
413 out32(__ppc_ba(t, h, o), v);
414}
415
416#if 0 /* Cause a link error for bus_space_write_stream_8 */
417#define bus_space_write_stream_8 !!! unimplemented !!!
418#endif
419
420
421/*
344/*
422 * void bus_space_write_multi_N(bus_space_tag_t tag,
423 * bus_space_handle_t bsh, bus_size_t offset,
424 * const u_intN_t *addr, size_t count));
425 *
426 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer
427 * provided to bus space described by tag/handle/offset.
345 * Bus write (single) operations.
428 */
346 */
347#define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
348#define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
349#define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
350#define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
429
351
430static __inline void
431bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
432 uint8_t *a, size_t c)
433{
434 outsb(__ppc_ba(t, h, o), a, c);
435}
352#define bus_space_write_stream_1 bus_space_write_1
353#define bus_space_write_stream_2(t, h, o, v) __bs_ws(s_2,(t),(h),(o),(v))
354#define bus_space_write_stream_4(t, h, o, v) __bs_ws(s_4,(t),(h),(o),(v))
355#define bus_space_write_stream_8(t, h, o, v) __bs_ws(s_8,(t),(h),(o),(v))
436
356
437static __inline void
438bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
439 uint16_t *a, size_t c)
440{
441 outsw(__ppc_ba(t, h, o), a, c);
442}
443
444static __inline void
445bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
446 uint32_t *a, size_t c)
447{
448 outsl(__ppc_ba(t, h, o), a, c);
449}
450
451#if 0
452#define bus_space_write_multi_8 !!! unimplemented !!!
453#endif
454
455static __inline void
456bus_space_write_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h,
457 bus_size_t o, const u_int8_t *a, size_t c)
458{
459 outsb(__ppc_ba(t, h, o), a, c);
460}
461
462static __inline void
463bus_space_write_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h,
464 bus_size_t o, const u_int16_t *a, size_t c)
465{
466 outsw(__ppc_ba(t, h, o), a, c);
467}
468
469static __inline void
470bus_space_write_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h,
471 bus_size_t o, const u_int32_t *a, size_t c)
472{
473 outsl(__ppc_ba(t, h, o), a, c);
474}
475
476#if 0
477#define bus_space_write_multi_stream_8 !!! unimplemented !!!
478#endif
479
480/*
357/*
481 * void bus_space_write_region_N(bus_space_tag_t tag,
482 * bus_space_handle_t bsh, bus_size_t offset,
483 * const u_intN_t *addr, size_t count));
484 *
485 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
486 * to bus space described by tag/handle starting at `offset'.
358 * Bus write multiple operations.
487 */
359 */
360#define bus_space_write_multi_1(t, h, o, a, c) \
361 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
362#define bus_space_write_multi_2(t, h, o, a, c) \
363 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
364#define bus_space_write_multi_4(t, h, o, a, c) \
365 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
366#define bus_space_write_multi_8(t, h, o, a, c) \
367 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
488
368
489static __inline void
490bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
491 bus_size_t offset, const u_int8_t *addr, size_t count)
492{
493 volatile u_int8_t *d = __ppc_ba(tag, bsh, offset);
369#define bus_space_write_multi_stream_1 bus_space_write_multi_1
370#define bus_space_write_multi_stream_2(t, h, o, a, c) \
371 __bs_nonsingle(wm,s_2,(t),(h),(o),(a),(c))
372#define bus_space_write_multi_stream_4(t, h, o, a, c) \
373 __bs_nonsingle(wm,s_4,(t),(h),(o),(a),(c))
374#define bus_space_write_multi_stream_8(t, h, o, a, c) \
375 __bs_nonsingle(wm,s_8,(t),(h),(o),(a),(c))
494
376
495 while (count--)
496 *d++ = *addr++;
497 __asm __volatile("eieio; sync");
498}
499
500static __inline void
501bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
502 bus_size_t offset, const u_int16_t *addr, size_t count)
503{
504 volatile u_int16_t *d = __ppc_ba(tag, bsh, offset);
505
506 while (count--)
507 __asm __volatile("sthbrx %0, 0, %1" ::
508 "r"(*addr++), "r"(d++));
509 __asm __volatile("eieio; sync");
510}
511
512static __inline void
513bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
514 bus_size_t offset, const u_int32_t *addr, size_t count)
515{
516 volatile u_int32_t *d = __ppc_ba(tag, bsh, offset);
517
518 while (count--)
519 __asm __volatile("stwbrx %0, 0, %1" ::
520 "r"(*addr++), "r"(d++));
521 __asm __volatile("eieio; sync");
522}
523
524#if 0
525#define bus_space_write_region_8 !!! bus_space_write_region_8 unimplemented !!!
526#endif
527
528static __inline void
529bus_space_write_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
530 bus_size_t offset, const u_int16_t *addr, size_t count)
531{
532 volatile u_int16_t *d = __ppc_ba(tag, bsh, offset);
533
534 while (count--)
535 *d++ = *addr++;
536 __asm __volatile("eieio; sync");
537}
538
539static __inline void
540bus_space_write_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
541 bus_size_t offset, const u_int32_t *addr, size_t count)
542{
543 volatile u_int32_t *d = __ppc_ba(tag, bsh, offset);
544
545 while (count--)
546 *d++ = *addr++;
547 __asm __volatile("eieio; sync");
548}
549
550#if 0
551#define bus_space_write_region_stream_8 !!! unimplemented !!!
552#endif
553
554/*
377/*
555 * void bus_space_set_multi_N(bus_space_tag_t tag,
556 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
557 * size_t count));
558 *
559 * Write the 1, 2, 4, or 8 byte value `val' to bus space described
560 * by tag/handle/offset `count' times.
378 * Bus write region operations.
561 */
379 */
380#define bus_space_write_region_1(t, h, o, a, c) \
381 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
382#define bus_space_write_region_2(t, h, o, a, c) \
383 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
384#define bus_space_write_region_4(t, h, o, a, c) \
385 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
386#define bus_space_write_region_8(t, h, o, a, c) \
387 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
562
388
563static __inline void
564bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
565 bus_size_t offset, u_int8_t val, size_t count)
566{
567 volatile u_int8_t *d = __ppc_ba(tag, bsh, offset);
389#define bus_space_write_region_stream_1 bus_space_write_region_1
390#define bus_space_write_region_stream_2(t, h, o, a, c) \
391 __bs_nonsingle(wr,s_2,(t),(h),(o),(a),(c))
392#define bus_space_write_region_stream_4(t, h, o, a, c) \
393 __bs_nonsingle(wr,s_4,(t),(h),(o),(a),(c))
394#define bus_space_write_region_stream_8(t, h, o, a, c) \
395 __bs_nonsingle(wr,s_8,(t),(h),(o),(a),(c))
568
396
569 while (count--)
570 *d = val;
571 __asm __volatile("eieio; sync");
572}
573
574static __inline void
575bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
576 bus_size_t offset, u_int16_t val, size_t count)
577{
578 volatile u_int16_t *d = __ppc_ba(tag, bsh, offset);
579
580 while (count--)
581 __asm __volatile("sthbrx %0, 0, %1" ::
582 "r"(val), "r"(d));
583 __asm __volatile("eieio; sync");
584}
585
586static __inline void
587bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
588 bus_size_t offset, u_int32_t val, size_t count)
589{
590 volatile u_int32_t *d = __ppc_ba(tag, bsh, offset);
591
592 while (count--)
593 __asm __volatile("stwbrx %0, 0, %1" ::
594 "r"(val), "r"(d));
595 __asm __volatile("eieio; sync");
596}
597
598#if 0
599#define bus_space_set_multi_8 !!! bus_space_set_multi_8 unimplemented !!!
600#endif
601
602static __inline void
603bus_space_set_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
604 bus_size_t offset, u_int16_t val, size_t count)
605{
606 volatile u_int16_t *d = __ppc_ba(tag, bsh, offset);
607
608 while (count--)
609 *d = val;
610 __asm __volatile("eieio; sync");
611}
612
613static __inline void
614bus_space_set_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
615 bus_size_t offset, u_int32_t val, size_t count)
616{
617 volatile u_int32_t *d = __ppc_ba(tag, bsh, offset);
618
619 while (count--)
620 *d = val;
621 __asm __volatile("eieio; sync");
622}
623
624#if 0
625#define bus_space_set_multi_stream_8 !!! unimplemented !!!
626#endif
627
628/*
397/*
629 * void bus_space_set_region_N(bus_space_tag_t tag,
630 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
631 * size_t count));
632 *
633 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
634 * by tag/handle starting at `offset'.
398 * Set multiple operations.
635 */
399 */
400#define bus_space_set_multi_1(t, h, o, v, c) \
401 __bs_set(sm,1,(t),(h),(o),(v),(c))
402#define bus_space_set_multi_2(t, h, o, v, c) \
403 __bs_set(sm,2,(t),(h),(o),(v),(c))
404#define bus_space_set_multi_4(t, h, o, v, c) \
405 __bs_set(sm,4,(t),(h),(o),(v),(c))
406#define bus_space_set_multi_8(t, h, o, v, c) \
407 __bs_set(sm,8,(t),(h),(o),(v),(c))
636
408
637static __inline void
638bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
639 bus_size_t offset, u_int8_t val, size_t count)
640{
641 volatile u_int8_t *d = __ppc_ba(tag, bsh, offset);
409#define bus_space_set_multi_stream_1 bus_space_set_multi_1
410#define bus_space_set_multi_stream_2(t, h, o, v, c) \
411 __bs_set(sm,s_2,(t),(h),(o),(v),(c))
412#define bus_space_set_multi_stream_4(t, h, o, v, c) \
413 __bs_set(sm,s_4,(t),(h),(o),(v),(c))
414#define bus_space_set_multi_stream_8(t, h, o, v, c) \
415 __bs_set(sm,s_8,(t),(h),(o),(v),(c))
642
416
643 while (count--)
644 *d++ = val;
645 __asm __volatile("eieio; sync");
646}
647
648static __inline void
649bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
650 bus_size_t offset, u_int16_t val, size_t count)
651{
652 volatile u_int16_t *d = __ppc_ba(tag, bsh, offset);
653
654 while (count--)
655 __asm __volatile("sthbrx %0, 0, %1" ::
656 "r"(val), "r"(d++));
657 __asm __volatile("eieio; sync");
658}
659
660static __inline void
661bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
662 bus_size_t offset, u_int32_t val, size_t count)
663{
664 volatile u_int32_t *d = __ppc_ba(tag, bsh, offset);
665
666 while (count--)
667 __asm __volatile("stwbrx %0, 0, %1" ::
668 "r"(val), "r"(d++));
669 __asm __volatile("eieio; sync");
670}
671
672#if 0
673#define bus_space_set_region_8 !!! bus_space_set_region_8 unimplemented !!!
674#endif
675
676static __inline void
677bus_space_set_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
678 bus_size_t offset, u_int16_t val, size_t count)
679{
680 volatile u_int16_t *d = __ppc_ba(tag, bsh, offset);
681
682 while (count--)
683 *d++ = val;
684 __asm __volatile("eieio; sync");
685}
686
687static __inline void
688bus_space_set_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
689 bus_size_t offset, u_int32_t val, size_t count)
690{
691 volatile u_int32_t *d = __ppc_ba(tag, bsh, offset);
692
693 while (count--)
694 *d++ = val;
695 __asm __volatile("eieio; sync");
696}
697
698#if 0
699#define bus_space_set_region_stream_8 !!! unimplemented !!!
700#endif
701
702/*
417/*
703 * void bus_space_copy_region_N(bus_space_tag_t tag,
704 * bus_space_handle_t bsh1, bus_size_t off1,
705 * bus_space_handle_t bsh2, bus_size_t off2,
706 * size_t count));
707 *
708 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting
709 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
418 * Set region operations.
710 */
419 */
420#define bus_space_set_region_1(t, h, o, v, c) \
421 __bs_set(sr,1,(t),(h),(o),(v),(c))
422#define bus_space_set_region_2(t, h, o, v, c) \
423 __bs_set(sr,2,(t),(h),(o),(v),(c))
424#define bus_space_set_region_4(t, h, o, v, c) \
425 __bs_set(sr,4,(t),(h),(o),(v),(c))
426#define bus_space_set_region_8(t, h, o, v, c) \
427 __bs_set(sr,8,(t),(h),(o),(v),(c))
711
428
712 /* XXX IMPLEMENT bus_space_copy_N() XXX */
429#define bus_space_set_region_stream_1 bus_space_set_region_1
430#define bus_space_set_region_stream_2(t, h, o, v, c) \
431 __bs_set(sr,s_2,(t),(h),(o),(v),(c))
432#define bus_space_set_region_stream_4(t, h, o, v, c) \
433 __bs_set(sr,s_4,(t),(h),(o),(v),(c))
434#define bus_space_set_region_stream_8(t, h, o, v, c) \
435 __bs_set(sr,s_8,(t),(h),(o),(v),(c))
713
436
437#if 0
714/*
438/*
715 * Bus read/write barrier methods.
716 *
717 * void bus_space_barrier(bus_space_tag_t tag,
718 * bus_space_handle_t bsh, bus_size_t offset,
719 * bus_size_t len, int flags));
720 *
721 * Note: the macppc does not currently require barriers, but we must
722 * provide the flags to MI code.
439 * Copy operations.
723 */
440 */
441#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
442 __bs_copy(1, t, h1, o1, h2, o2, c)
443#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
444 __bs_copy(2, t, h1, o1, h2, o2, c)
445#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
446 __bs_copy(4, t, h1, o1, h2, o2, c)
447#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
448 __bs_copy(8, t, h1, o1, h2, o2, c)
724
449
725#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
726#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
450#define bus_space_copy_region_stream_1 bus_space_copy_region_1
451#define bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c) \
452 __bs_copy(s_2, t, h1, o1, h2, o2, c)
453#define bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c) \
454 __bs_copy(s_4, t, h1, o1, h2, o2, c)
455#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \
456 __bs_copy(s_8, t, h1, o1, h2, o2, c)
457#endif
727
458
728static __inline void
729bus_space_barrier(bus_space_tag_t tag __unused,
730 bus_space_handle_t bsh __unused, bus_size_t offset __unused,
731 bus_size_t len __unused, int flags __unused)
732{
733 __asm __volatile("" : : : "memory");
734}
735
736
737#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
738
739#include <machine/bus_dma.h>
740
459#include <machine/bus_dma.h>
460
741#endif /* _MACPPC_BUS_H_ */
461#endif /* _MACHINE_BUS_H_ */