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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [ppc/] [kernel/] [port_io.c] - Rev 1777
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/* * I/O 'port' access routines */ /* This is really only correct for the MVME16xx (PreP)? */ #define _IO_BASE ((unsigned long)0x80000000) unsigned char inb(int port) { return (*((unsigned char *)(_IO_BASE+port))); } unsigned short inw(int port) { return (_LE_to_BE_short(*((unsigned short *)(_IO_BASE+port)))); } unsigned long inl(int port) { return (_LE_to_BE_long(*((unsigned long *)(_IO_BASE+port)))); } void insb(int port, char *ptr, int len) { unsigned char *io_ptr = (unsigned char *)(_IO_BASE+port); while (len-- > 0) { *ptr++ = *io_ptr; } } #if 0 void insw(int port, short *ptr, int len) { unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port); while (len-- > 0) { *ptr++ = _LE_to_BE_short(*io_ptr); } } #else void insw(int port, short *ptr, int len) { unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port); _insw(io_ptr, ptr, len); } #endif void insw_unswapped(int port, short *ptr, int len) { unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port); while (len-- > 0) { *ptr++ = *io_ptr; } } void insl(int port, long *ptr, int len) { unsigned long *io_ptr = (unsigned long *)(_IO_BASE+port); while (len-- > 0) { *ptr++ = _LE_to_BE_long(*io_ptr); } } unsigned char inb_p(int port) {return (inb(port)); } unsigned short inw_p(int port) {return (inw(port)); } unsigned long inl_p(int port) {return (inl(port)); } unsigned char outb(unsigned char val,int port) { *((unsigned char *)(_IO_BASE+port)) = (val); return (val); } unsigned short outw(unsigned short val,int port) { *((unsigned short *)(_IO_BASE+port)) = _LE_to_BE_short(val); return (val); } unsigned long outl(unsigned long val,int port) { *((unsigned long *)(_IO_BASE+port)) = _LE_to_BE_long(val); return (val); } void outsb(int port, char *ptr, int len) { unsigned char *io_ptr = (unsigned char *)(_IO_BASE+port); while (len-- > 0) { *io_ptr = *ptr++; } } #if 0 void outsw(int port, short *ptr, int len) { unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port); while (len-- > 0) { *io_ptr = _LE_to_BE_short(*ptr++); } } #else void outsw(int port, short *ptr, int len) { unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port); _outsw(io_ptr, ptr, len); } #endif void outsw_unswapped(int port, short *ptr, int len) { unsigned short *io_ptr = (unsigned short *)(_IO_BASE+port); while (len-- > 0) { *io_ptr = *ptr++; } } void outsl(int port, long *ptr, int len) { unsigned long *io_ptr = (unsigned long *)(_IO_BASE+port); while (len-- > 0) { *io_ptr = _LE_to_BE_long(*ptr++); } } unsigned char outb_p(unsigned char val,int port) { return (outb(val,port)); } unsigned short outw_p(unsigned short val,int port) { return (outw(val,port)); } unsigned long outl_p(unsigned long val,int port) { return (outl(val,port)); }
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