#ifndef _ASM_IO_H
#define _ASM_IO_H
-#include <linux/config.h>
#include <linux/types.h>
#include <asm/pgtable.h>
#define virt_to_bus virt_to_phys
#define bus_to_virt phys_to_virt
+static inline unsigned long isa_bus_to_virt(unsigned long addr) {
+ BUG();
+ return 0;
+}
+
+static inline unsigned long isa_virt_to_bus(void *addr) {
+ BUG();
+ return 0;
+}
+
/*
* Memory mapped I/O
*
{
unsigned long long ret;
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
__asm__ __volatile__(
" ldda 0(%1),%0\n"
: "=r" (ret) : "r" (addr) );
static inline void gsc_writeq(unsigned long long val, unsigned long addr)
{
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
__asm__ __volatile__(
" stda %0,0(%1)\n"
: : "r" (val), "r" (addr) );
extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-extern inline void __iomem * ioremap(unsigned long offset, unsigned long size)
-{
- return __ioremap(offset, size, 0);
-}
-
-/*
- * This one maps high address device memory and turns off caching for that area.
- * it's useful if some control registers are in such an area and write combining
- * or read caching is not desirable:
+/* Most machines react poorly to I/O-space being cacheable... Instead let's
+ * define ioremap() in terms of ioremap_nocache().
*/
-extern inline void * ioremap_nocache(unsigned long offset, unsigned long size)
+static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
{
- return __ioremap(offset, size, _PAGE_NO_CACHE /* _PAGE_PCD */);
+ return __ioremap(offset, size, _PAGE_NO_CACHE);
}
+#define ioremap_nocache(off, sz) ioremap((off), (sz))
-extern void iounmap(void __iomem *addr);
-
+extern void iounmap(const volatile void __iomem *addr);
static inline unsigned char __raw_readb(const volatile void __iomem *addr)
{
void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
void memcpy_toio(volatile void __iomem *dst, const void *src, int count);
-/*
- * XXX - We don't have csum_partial_copy_fromio() yet, so we cheat here and
- * just copy it. The net code will then do the checksum later. Presently
- * only used by some shared memory 8390 Ethernet cards anyway.
- */
-
-#define eth_io_copy_and_sum(skb,src,len,unused) \
- memcpy_fromio((skb)->data,(src),(len))
-
/* Port-space IO */
#define inb_p inb
/* IO Port space is : BBiiii where BB is HBA number. */
#define IO_SPACE_LIMIT 0x00ffffff
-
-#define dma_cache_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
-#define dma_cache_wback(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
-#define dma_cache_wback_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
-
/* PA machines have an MM I/O space from 0xf0000000-0xffffffff in 32
* bit mode and from 0xfffffffff0000000-0xfffffffffffffff in 64 bit
* mode (essentially just sign extending. This macro takes in a 32