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#ifndef __SPARC_IO_H
#define __SPARC_IO_H
#include <asm/page.h> /* IO address mapping routines need this */
/*
* Defines for io operations on the Sparc. Whether a memory access is going
* to i/o sparc is encoded in the pte. The type bits determine whether this
* is i/o sparc, on board memory, or VME space for VME cards. I think VME
* space only works on sun4's
*/
extern inline unsigned long inb_local(unsigned long addr)
{
return 0;
}
extern inline void outb_local(unsigned char b, unsigned long addr)
{
return;
}
extern inline unsigned long inb(unsigned long addr)
{
return 0;
}
extern inline unsigned long inw(unsigned long addr)
{
return 0;
}
extern inline unsigned long inl(unsigned long addr)
{
return 0;
}
extern inline void outb(unsigned char b, unsigned long addr)
{
return;
}
extern inline void outw(unsigned short b, unsigned long addr)
{
return;
}
extern inline void outl(unsigned int b, unsigned long addr)
{
return;
}
/*
* Memory functions
*/
extern inline unsigned long readb(unsigned long addr)
{
return 0;
}
extern inline unsigned long readw(unsigned long addr)
{
return 0;
}
extern inline unsigned long readl(unsigned long addr)
{
return 0;
}
extern inline void writeb(unsigned short b, unsigned long addr)
{
return;
}
extern inline void writew(unsigned short b, unsigned long addr)
{
return;
}
extern inline void writel(unsigned int b, unsigned long addr)
{
return;
}
#define inb_p inb
#define outb_p outb
extern inline void mapioaddr(unsigned long physaddr, unsigned long virt_addr)
{
unsigned long page_entry;
page_entry = physaddr >> PAGE_SHIFT;
page_entry |= (PTE_V | PTE_ACC | PTE_NC | PTE_IO); /* kernel io addr */
put_pte(virt_addr, page_entry);
return;
}
#endif /* !(__SPARC_IO_H) */
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