c563bf0965
Some old boards are still using this in their I/O routines, kill it off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
158 lines
4 KiB
C
158 lines
4 KiB
C
/*
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* linux/arch/sh/boards/renesas/systemh/io.c
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*
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* Copyright (C) 2001 Ian da Silva, Jeremy Siegel
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* Based largely on io_se.c.
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*
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* I/O routine for Hitachi 7751 Systemh.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <mach/systemh7751.h>
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#include <asm/addrspace.h>
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#include <asm/io.h>
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#define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area
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of smc lan chip*/
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static inline volatile __u16 *
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port2adr(unsigned int port)
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{
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if (port >= 0x2000)
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return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
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maybebadio((unsigned long)port);
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return (volatile __u16*)port;
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}
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/*
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* General outline: remap really low stuff [eventually] to SuperIO,
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* stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
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* is mapped through the PCI IO window. Stuff with high bits (PXSEG)
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* should be way beyond the window, and is used w/o translation for
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* compatibility.
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*/
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unsigned char sh7751systemh_inb(unsigned long port)
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{
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if (PXSEG(port))
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return *(volatile unsigned char *)port;
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else if (port <= 0x3F1)
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return *(volatile unsigned char *)ETHER_IOMAP(port);
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else
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return (*port2adr(port))&0xff;
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}
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unsigned char sh7751systemh_inb_p(unsigned long port)
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{
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unsigned char v;
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if (PXSEG(port))
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v = *(volatile unsigned char *)port;
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else if (port <= 0x3F1)
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v = *(volatile unsigned char *)ETHER_IOMAP(port);
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else
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v = (*port2adr(port))&0xff;
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ctrl_delay();
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return v;
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}
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unsigned short sh7751systemh_inw(unsigned long port)
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{
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if (PXSEG(port))
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return *(volatile unsigned short *)port;
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else if (port >= 0x2000)
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return *port2adr(port);
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else if (port <= 0x3F1)
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return *(volatile unsigned int *)ETHER_IOMAP(port);
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else
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maybebadio(port);
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return 0;
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}
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unsigned int sh7751systemh_inl(unsigned long port)
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{
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if (PXSEG(port))
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return *(volatile unsigned long *)port;
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else if (port >= 0x2000)
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return *port2adr(port);
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else if (port <= 0x3F1)
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return *(volatile unsigned int *)ETHER_IOMAP(port);
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else
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maybebadio(port);
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return 0;
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}
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void sh7751systemh_outb(unsigned char value, unsigned long port)
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{
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if (PXSEG(port))
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*(volatile unsigned char *)port = value;
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else if (port <= 0x3F1)
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*(volatile unsigned char *)ETHER_IOMAP(port) = value;
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else
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*(port2adr(port)) = value;
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}
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void sh7751systemh_outb_p(unsigned char value, unsigned long port)
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{
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if (PXSEG(port))
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*(volatile unsigned char *)port = value;
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else if (port <= 0x3F1)
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*(volatile unsigned char *)ETHER_IOMAP(port) = value;
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else
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*(port2adr(port)) = value;
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ctrl_delay();
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}
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void sh7751systemh_outw(unsigned short value, unsigned long port)
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{
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if (PXSEG(port))
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*(volatile unsigned short *)port = value;
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else if (port >= 0x2000)
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*port2adr(port) = value;
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else if (port <= 0x3F1)
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*(volatile unsigned short *)ETHER_IOMAP(port) = value;
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else
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maybebadio(port);
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}
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void sh7751systemh_outl(unsigned int value, unsigned long port)
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{
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if (PXSEG(port))
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*(volatile unsigned long *)port = value;
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else
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maybebadio(port);
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}
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void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count)
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{
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unsigned char *p = addr;
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while (count--) *p++ = sh7751systemh_inb(port);
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}
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void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count)
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{
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unsigned short *p = addr;
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while (count--) *p++ = sh7751systemh_inw(port);
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}
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void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count)
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{
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maybebadio(port);
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}
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void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count)
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{
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unsigned char *p = (unsigned char*)addr;
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while (count--) sh7751systemh_outb(*p++, port);
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}
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void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long count)
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{
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unsigned short *p = (unsigned short*)addr;
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while (count--) sh7751systemh_outw(*p++, port);
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}
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void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count)
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{
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maybebadio(port);
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}
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