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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) */
-