52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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#ifndef __LLIO_H_INCLUDED
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#define __LLIO_H_INCLUDED
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#ifdef __COMROGUE_INTERNALS__
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#ifndef __ASM__
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#include <comrogue/types.h>
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#include <comrogue/compiler_macros.h>
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/*--------------------------------------------------------------------------------------
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* Functions for performing low-level IO (direct read and write of memory-mapped ports)
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*--------------------------------------------------------------------------------------
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*/
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#ifdef __COMROGUE_PRESTART__
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CDECL_BEGIN
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extern void llIOWritePA(PHYSADDR paPort, UINT32 uiData);
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extern UINT32 llIOReadPA(PHYSADDR paPort);
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extern void llIODelayPA(UINT32 uiTicks);
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#define llIOWrite(addr, data) llIOWritePA(addr, data)
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#define llIORead(addr) llIOReadPA(addr)
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#define llIODelay(ticks) llIODelayPA(ticks)
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CDECL_END
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#else
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CDECL_BEGIN
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extern void llIOWriteK(KERNADDR kaPort, UINT32 uiData);
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extern UINT32 llIOReadK(KERNADDR kaPort);
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extern void llIODelay(UINT32 uiTicks);
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CDECL_END
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#define _LLIOMAP(addr) ((addr) + 0xC0000000)
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#define llIOWrite(addr, data) llIOWriteK(_LLIOMAP(addr), data)
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#define llIORead(addr) llIOReadK(_LLIOMAP(addr))
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#endif /* __COMROGUE_PRESTART__ */
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#endif /* __ASM__ */
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#endif /* __COMROGUE_INTERNALS__ */
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#endif /* __LLIO_H_INCLUDED */
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