aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-m68k/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-m68k/io.h')
-rw-r--r--include/asm-m68k/io.h66
1 files changed, 7 insertions, 59 deletions
diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h
index 657187f0c7c2..9e673e3bd434 100644
--- a/include/asm-m68k/io.h
+++ b/include/asm-m68k/io.h
@@ -7,15 +7,12 @@
7 * - added skeleton for GG-II and Amiga PCMCIA 7 * - added skeleton for GG-II and Amiga PCMCIA
8 * 2/3/01 RZ: - moved a few more defs into raw_io.h 8 * 2/3/01 RZ: - moved a few more defs into raw_io.h
9 * 9 *
10 * inX/outX/readX/writeX should not be used by any driver unless it does 10 * inX/outX should not be used by any driver unless it does
11 * ISA or PCI access. Other drivers should use function defined in raw_io.h 11 * ISA access. Other drivers should use function defined in raw_io.h
12 * or define its own macros on top of these. 12 * or define its own macros on top of these.
13 * 13 *
14 * inX(),outX() are for PCI and ISA I/O 14 * inX(),outX() are for ISA I/O
15 * readX(),writeX() are for PCI memory
16 * isa_readX(),isa_writeX() are for ISA memory 15 * isa_readX(),isa_writeX() are for ISA memory
17 *
18 * moved mem{cpy,set}_*io inside CONFIG_PCI
19 */ 16 */
20 17
21#ifndef _IO_H 18#ifndef _IO_H
@@ -256,10 +253,7 @@ static inline void isa_delay(void)
256 (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \ 253 (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \
257 raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1)) 254 raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
258 255
259#endif /* CONFIG_ISA */
260
261 256
262#if defined(CONFIG_ISA) && !defined(CONFIG_PCI)
263#define inb isa_inb 257#define inb isa_inb
264#define inb_p isa_inb_p 258#define inb_p isa_inb_p
265#define outb isa_outb 259#define outb isa_outb
@@ -282,55 +276,9 @@ static inline void isa_delay(void)
282#define readw isa_readw 276#define readw isa_readw
283#define writeb isa_writeb 277#define writeb isa_writeb
284#define writew isa_writew 278#define writew isa_writew
285#endif /* CONFIG_ISA */
286
287#if defined(CONFIG_PCI)
288
289#define readl(addr) in_le32(addr)
290#define writel(val,addr) out_le32((addr),(val))
291
292/* those can be defined for both ISA and PCI - it won't work though */
293#define readb(addr) in_8(addr)
294#define readw(addr) in_le16(addr)
295#define writeb(val,addr) out_8((addr),(val))
296#define writew(val,addr) out_le16((addr),(val))
297 279
298#define readb_relaxed(addr) readb(addr) 280#else /* CONFIG_ISA */
299#define readw_relaxed(addr) readw(addr)
300#define readl_relaxed(addr) readl(addr)
301 281
302#ifndef CONFIG_ISA
303#define inb(port) in_8(port)
304#define outb(val,port) out_8((port),(val))
305#define inw(port) in_le16(port)
306#define outw(val,port) out_le16((port),(val))
307#define inl(port) in_le32(port)
308#define outl(val,port) out_le32((port),(val))
309
310#else
311/*
312 * kernel with both ISA and PCI compiled in, those have
313 * conflicting defs for in/out. Simply consider port < 1024
314 * ISA and everything else PCI. read,write not defined
315 * in this case
316 */
317#define inb(port) ((port)<1024 ? isa_inb(port) : in_8(port))
318#define inb_p(port) ((port)<1024 ? isa_inb_p(port) : in_8(port))
319#define inw(port) ((port)<1024 ? isa_inw(port) : in_le16(port))
320#define inw_p(port) ((port)<1024 ? isa_inw_p(port) : in_le16(port))
321#define inl(port) ((port)<1024 ? isa_inl(port) : in_le32(port))
322#define inl_p(port) ((port)<1024 ? isa_inl_p(port) : in_le32(port))
323
324#define outb(val,port) ((port)<1024 ? isa_outb((val),(port)) : out_8((port),(val)))
325#define outb_p(val,port) ((port)<1024 ? isa_outb_p((val),(port)) : out_8((port),(val)))
326#define outw(val,port) ((port)<1024 ? isa_outw((val),(port)) : out_le16((port),(val)))
327#define outw_p(val,port) ((port)<1024 ? isa_outw_p((val),(port)) : out_le16((port),(val)))
328#define outl(val,port) ((port)<1024 ? isa_outl((val),(port)) : out_le32((port),(val)))
329#define outl_p(val,port) ((port)<1024 ? isa_outl_p((val),(port)) : out_le32((port),(val)))
330#endif
331#endif /* CONFIG_PCI */
332
333#if !defined(CONFIG_ISA) && !defined(CONFIG_PCI)
334/* 282/*
335 * We need to define dummy functions for GENERIC_IOMAP support. 283 * We need to define dummy functions for GENERIC_IOMAP support.
336 */ 284 */
@@ -357,11 +305,11 @@ static inline void isa_delay(void)
357#define writeb(val,addr) out_8((addr),(val)) 305#define writeb(val,addr) out_8((addr),(val))
358#define readw(addr) in_le16(addr) 306#define readw(addr) in_le16(addr)
359#define writew(val,addr) out_le16((addr),(val)) 307#define writew(val,addr) out_le16((addr),(val))
360#endif 308
361#if !defined(CONFIG_PCI) 309#endif /* CONFIG_ISA */
310
362#define readl(addr) in_le32(addr) 311#define readl(addr) in_le32(addr)
363#define writel(val,addr) out_le32((addr),(val)) 312#define writel(val,addr) out_le32((addr),(val))
364#endif
365 313
366#define mmiowb() 314#define mmiowb()
367 315