#define __SPARC64_IO_H
#include <linux/kernel.h>
+#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/page.h> /* IO address mapping routines need this */
#define bus_to_virt bus_to_virt_not_defined_use_pci_map
/* BIO layer definitions. */
-extern unsigned long phys_base, kern_base, kern_size;
-#define page_to_phys(page) ((((page) - mem_map) << PAGE_SHIFT)+phys_base)
+extern unsigned long kern_base, kern_size;
+#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
#define BIO_VMERGE_BOUNDARY 8192
/* Different PCI controllers we support have their PCI MEM space
#define inl_p(__addr) inl(__addr)
#define outl_p(__l, __addr) outl(__l, __addr)
-extern void outsb(unsigned long addr, const void *src, unsigned long count);
-extern void outsw(unsigned long addr, const void *src, unsigned long count);
-extern void outsl(unsigned long addr, const void *src, unsigned long count);
-extern void insb(unsigned long addr, void *dst, unsigned long count);
-extern void insw(unsigned long addr, void *dst, unsigned long count);
-extern void insl(unsigned long addr, void *dst, unsigned long count);
+extern void outsb(unsigned long, const void *, unsigned long);
+extern void outsw(unsigned long, const void *, unsigned long);
+extern void outsl(unsigned long, const void *, unsigned long);
+extern void insb(unsigned long, void *, unsigned long);
+extern void insw(unsigned long, void *, unsigned long);
+extern void insl(unsigned long, void *, unsigned long);
-/* Memory functions, same as I/O accesses on Ultra. */
-static __inline__ u8 _readb(unsigned long addr)
+static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
{
- u8 ret;
+ insb((unsigned long __force)port, buf, count);
+}
+static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
+{
+ insw((unsigned long __force)port, buf, count);
+}
+
+static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
+{
+ insl((unsigned long __force)port, buf, count);
+}
+
+static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
+{
+ outsb((unsigned long __force)port, buf, count);
+}
+
+static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
+{
+ outsw((unsigned long __force)port, buf, count);
+}
+
+static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
+{
+ outsl((unsigned long __force)port, buf, count);
+}
+
+/* Memory functions, same as I/O accesses on Ultra. */
+static inline u8 _readb(const volatile void __iomem *addr)
+{ u8 ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
-
return ret;
}
-static __inline__ u16 _readw(unsigned long addr)
-{
- u16 ret;
+static inline u16 _readw(const volatile void __iomem *addr)
+{ u16 ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
: "=r" (ret)
return ret;
}
-static __inline__ u32 _readl(unsigned long addr)
-{
- u32 ret;
+static inline u32 _readl(const volatile void __iomem *addr)
+{ u32 ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
: "=r" (ret)
return ret;
}
-static __inline__ u64 _readq(unsigned long addr)
-{
- u64 ret;
+static inline u64 _readq(const volatile void __iomem *addr)
+{ u64 ret;
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
: "=r" (ret)
return ret;
}
-static __inline__ void _writeb(u8 b, unsigned long addr)
+static inline void _writeb(u8 b, volatile void __iomem *addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
: /* no outputs */
: "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
}
-static __inline__ void _writew(u16 w, unsigned long addr)
+static inline void _writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
: /* no outputs */
: "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
}
-static __inline__ void _writel(u32 l, unsigned long addr)
+static inline void _writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
}
-static __inline__ void _writeq(u64 q, unsigned long addr)
+static inline void _writeq(u64 q, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
: /* no outputs */
: "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
}
-#define readb(__addr) (_readb((unsigned long)(__addr)))
-#define readw(__addr) (_readw((unsigned long)(__addr)))
-#define readl(__addr) (_readl((unsigned long)(__addr)))
-#define readq(__addr) (_readq((unsigned long)(__addr)))
-#define readb_relaxed(a) readb(a)
-#define readw_relaxed(a) readw(a)
-#define readl_relaxed(a) readl(a)
-#define readq_relaxed(a) readq(a)
-#define writeb(__b, __addr) (_writeb((u8)(__b), (unsigned long)(__addr)))
-#define writew(__w, __addr) (_writew((u16)(__w), (unsigned long)(__addr)))
-#define writel(__l, __addr) (_writel((u32)(__l), (unsigned long)(__addr)))
-#define writeq(__q, __addr) (_writeq((u64)(__q), (unsigned long)(__addr)))
+#define readb(__addr) _readb(__addr)
+#define readw(__addr) _readw(__addr)
+#define readl(__addr) _readl(__addr)
+#define readq(__addr) _readq(__addr)
+#define readb_relaxed(__addr) _readb(__addr)
+#define readw_relaxed(__addr) _readw(__addr)
+#define readl_relaxed(__addr) _readl(__addr)
+#define readq_relaxed(__addr) _readq(__addr)
+#define writeb(__b, __addr) _writeb(__b, __addr)
+#define writew(__w, __addr) _writew(__w, __addr)
+#define writel(__l, __addr) _writel(__l, __addr)
+#define writeq(__q, __addr) _writeq(__q, __addr)
/* Now versions without byte-swapping. */
static __inline__ u8 _raw_readb(unsigned long addr)
/* Now, SBUS variants, only difference from PCI is that we do
* not use little-endian ASIs.
*/
-static __inline__ u8 _sbus_readb(unsigned long addr)
+static inline u8 _sbus_readb(const volatile void __iomem *addr)
{
u8 ret;
return ret;
}
-static __inline__ u16 _sbus_readw(unsigned long addr)
+static inline u16 _sbus_readw(const volatile void __iomem *addr)
{
u16 ret;
return ret;
}
-static __inline__ u32 _sbus_readl(unsigned long addr)
+static inline u32 _sbus_readl(const volatile void __iomem *addr)
{
u32 ret;
return ret;
}
-static __inline__ u64 _sbus_readq(unsigned long addr)
+static inline u64 _sbus_readq(const volatile void __iomem *addr)
{
u64 ret;
return ret;
}
-static __inline__ void _sbus_writeb(u8 b, unsigned long addr)
+static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
: /* no outputs */
: "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-static __inline__ void _sbus_writew(u16 w, unsigned long addr)
+static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
: /* no outputs */
: "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-static __inline__ void _sbus_writel(u32 l, unsigned long addr)
+static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-static __inline__ void _sbus_writeq(u64 l, unsigned long addr)
+static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
: /* no outputs */
: "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
-#define sbus_readb(__addr) (_sbus_readb((unsigned long)(__addr)))
-#define sbus_readw(__addr) (_sbus_readw((unsigned long)(__addr)))
-#define sbus_readl(__addr) (_sbus_readl((unsigned long)(__addr)))
-#define sbus_readq(__addr) (_sbus_readq((unsigned long)(__addr)))
-#define sbus_writeb(__b, __addr) (_sbus_writeb((__b), (unsigned long)(__addr)))
-#define sbus_writew(__w, __addr) (_sbus_writew((__w), (unsigned long)(__addr)))
-#define sbus_writel(__l, __addr) (_sbus_writel((__l), (unsigned long)(__addr)))
-#define sbus_writeq(__l, __addr) (_sbus_writeq((__l), (unsigned long)(__addr)))
+#define sbus_readb(__addr) _sbus_readb(__addr)
+#define sbus_readw(__addr) _sbus_readw(__addr)
+#define sbus_readl(__addr) _sbus_readl(__addr)
+#define sbus_readq(__addr) _sbus_readq(__addr)
+#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr)
+#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr)
+#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr)
+#define sbus_writeq(__l, __addr) _sbus_writeq(__l, __addr)
-static inline void *_sbus_memset_io(unsigned long dst, int c, __kernel_size_t n)
+static inline void _sbus_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
while(n--) {
sbus_writeb(c, dst);
dst++;
}
- return (void *) dst;
}
-#define sbus_memset_io(d,c,sz) \
- _sbus_memset_io((unsigned long)d,(int)c,(__kernel_size_t)sz)
+#define sbus_memset_io(d,c,sz) _sbus_memset_io(d,c,sz)
-static inline void *
-_memset_io(void *dst, int c, __kernel_size_t n)
+static inline void
+_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
{
- char *d = dst;
+ volatile void __iomem *d = dst;
while (n--) {
writeb(c, d);
d++;
}
-
- return dst;
}
-#define memset_io(d,c,sz) \
- _memset_io((void *)d,(int)c,(__kernel_size_t)sz)
+#define memset_io(d,c,sz) _memset_io(d,c,sz)
-static inline void *
-_memcpy_fromio(void *dst, unsigned long src, __kernel_size_t n)
+static inline void
+_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
{
char *d = dst;
*d++ = tmp;
src++;
}
-
- return dst;
}
-#define memcpy_fromio(d,s,sz) \
- _memcpy_fromio((void *)d,(unsigned long)s,(__kernel_size_t)sz)
+#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
-static inline void *
-_memcpy_toio(unsigned long dst, const void *src, __kernel_size_t n)
+static inline void
+_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
{
const char *s = src;
- unsigned long d = dst;
+ volatile void __iomem *d = dst;
while (n--) {
char tmp = *s++;
writeb(tmp, d);
d++;
}
- return (void *)dst;
}
-#define memcpy_toio(d,s,sz) \
- _memcpy_toio((unsigned long)d,(const void *)s,(__kernel_size_t)sz)
+#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
-static inline int check_signature(unsigned long io_addr,
+static inline int check_signature(void __iomem *io_addr,
const unsigned char *signature,
int length)
{
int retval = 0;
do {
- if (readb(io_addr++) != *signature++)
+ if (readb(io_addr) != *signature++)
goto out;
+ io_addr++;
} while (--length);
retval = 1;
out:
return retval;
}
+#define mmiowb()
+
#ifdef __KERNEL__
/* On sparc64 we have the whole physical IO address space accessible
* using physically addressed loads and stores, so this does nothing.
*/
-#define ioremap(__offset, __size) ((void *)(__offset))
+static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
+{
+ return (void __iomem *)offset;
+}
+
#define ioremap_nocache(X,Y) ioremap((X),(Y))
-#define iounmap(__addr) do { (void)(__addr); } while(0)
+
+static inline void iounmap(volatile void __iomem *addr)
+{
+}
+
+#define ioread8(X) readb(X)
+#define ioread16(X) readw(X)
+#define ioread32(X) readl(X)
+#define iowrite8(val,X) writeb(val,X)
+#define iowrite16(val,X) writew(val,X)
+#define iowrite32(val,X) writel(val,X)
+
+/* Create a virtual mapping cookie for an IO port range */
+extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
+extern void ioport_unmap(void __iomem *);
+
+/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
+struct pci_dev;
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
/* Similarly for SBUS. */
#define sbus_ioremap(__res, __offset, __size, __name) \
__ret += (unsigned long) (__offset); \
if (! request_region((__ret), (__size), (__name))) \
__ret = 0UL; \
- __ret; \
+ (void __iomem *) __ret; \
})
#define sbus_iounmap(__addr, __size) \
- release_region((__addr), (__size))
+ release_region((unsigned long)(__addr), (__size))
/* Nothing to do */
#define dma_cache_wback(_start,_size) do { } while (0)
#define dma_cache_wback_inv(_start,_size) do { } while (0)
+/*
+ * Convert a physical pointer to a virtual kernel pointer for /dev/mem
+ * access
+ */
+#define xlate_dev_mem_ptr(p) __va(p)
+
+/*
+ * Convert a virtual cached pointer to an uncached pointer
+ */
+#define xlate_dev_kmem_ptr(p) p
+
#endif
#endif /* !(__SPARC64_IO_H) */
git://git.onelab.eu / linux-2.6.git / blobdiff