da2014a2b0
This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/*
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* Copyright (C) 2002 David McCullough <davidm@snapgear.com>
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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 SolutionEngine.
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*
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* Initial version only to support LAN access; some
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* placeholder code from io_se.c left in with the
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* expectation of later SuperIO and PCMCIA access.
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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 <asm/io.h>
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#include <asm/addrspace.h>
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#ifdef CONFIG_SH_SECUREEDGE5410
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unsigned short secureedge5410_ioport;
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#endif
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static inline volatile __u16 *port2adr(unsigned int port)
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{
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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 snapgear_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 (is_pci_ioaddr(port))
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return *(volatile unsigned char *)pci_ioaddr(port);
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else
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return (*port2adr(port)) & 0xff;
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}
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unsigned char snapgear_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 (is_pci_ioaddr(port))
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v = *(volatile unsigned char *)pci_ioaddr(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 snapgear_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 (is_pci_ioaddr(port))
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return *(volatile unsigned short *)pci_ioaddr(port);
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else if (port >= 0x2000)
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return *port2adr(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 snapgear_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 (is_pci_ioaddr(port))
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return *(volatile unsigned int *)pci_ioaddr(port);
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else if (port >= 0x2000)
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return *port2adr(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 snapgear_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 (is_pci_ioaddr(port))
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*((unsigned char*)pci_ioaddr(port)) = value;
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else
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*(port2adr(port)) = value;
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}
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void snapgear_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 (is_pci_ioaddr(port))
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*((unsigned char*)pci_ioaddr(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 snapgear_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 (is_pci_ioaddr(port))
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*((unsigned short *)pci_ioaddr(port)) = value;
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else if (port >= 0x2000)
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*port2adr(port) = value;
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else
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maybebadio(port);
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}
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void snapgear_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 if (is_pci_ioaddr(port))
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*((unsigned long*)pci_ioaddr(port)) = value;
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else
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maybebadio(port);
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}
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void snapgear_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 snapgear_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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