12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849 |
- /*
- * linux/arch/unicore32/include/asm/io.h
- *
- * Code specific to PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2010 GUAN Xue-tao
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef __UNICORE_IO_H__
- #define __UNICORE_IO_H__
- #ifdef __KERNEL__
- #include <asm/byteorder.h>
- #include <asm/memory.h>
- #define PCI_IOBASE PKUNITY_PCILIO_BASE
- #include <asm-generic/io.h>
- /*
- * __uc32_ioremap and __uc32_ioremap_cached takes CPU physical address.
- */
- extern void __iomem *__uc32_ioremap(unsigned long, size_t);
- extern void __iomem *__uc32_ioremap_cached(unsigned long, size_t);
- extern void __uc32_iounmap(volatile void __iomem *addr);
- /*
- * ioremap and friends.
- *
- * ioremap takes a PCI memory address, as specified in
- * Documentation/io-mapping.txt.
- *
- */
- #define ioremap(cookie, size) __uc32_ioremap(cookie, size)
- #define ioremap_cached(cookie, size) __uc32_ioremap_cached(cookie, size)
- #define ioremap_nocache(cookie, size) __uc32_ioremap(cookie, size)
- #define iounmap(cookie) __uc32_iounmap(cookie)
- #define HAVE_ARCH_PIO_SIZE
- #define PIO_OFFSET (unsigned int)(PCI_IOBASE)
- #define PIO_MASK (unsigned int)(IO_SPACE_LIMIT)
- #define PIO_RESERVED (PIO_OFFSET + PIO_MASK + 1)
- #endif /* __KERNEL__ */
- #endif /* __UNICORE_IO_H__ */
|