static inline void *
map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
- return (void *)paddr;
+ return (void *)((unsigned long)paddr);
}
/*
static inline phys_addr_t virt_to_phys(void * vaddr)
{
- return (phys_addr_t)(vaddr);
+ return (phys_addr_t)((unsigned long)vaddr);
}
/*
#define __arch_getb(a) (*(volatile unsigned char *)(a))
#define __arch_getw(a) (*(volatile unsigned short *)(a))
#define __arch_getl(a) (*(volatile unsigned int *)(a))
+#define __arch_getq(a) (*(volatile unsigned long long *)(a))
#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v))
#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
+#define __arch_putq(v,a) (*(volatile unsigned long long *)(a) = (v))
-extern void __raw_writesb(unsigned int addr, const void *data, int bytelen);
-extern void __raw_writesw(unsigned int addr, const void *data, int wordlen);
-extern void __raw_writesl(unsigned int addr, const void *data, int longlen);
+static inline void __raw_writesb(unsigned long addr, const void *data,
+ int bytelen)
+{
+ uint8_t *buf = (uint8_t *)data;
+ while(bytelen--)
+ __arch_putb(*buf++, addr);
+}
-extern void __raw_readsb(unsigned int addr, void *data, int bytelen);
-extern void __raw_readsw(unsigned int addr, void *data, int wordlen);
-extern void __raw_readsl(unsigned int addr, void *data, int longlen);
+static inline void __raw_writesw(unsigned long addr, const void *data,
+ int wordlen)
+{
+ uint16_t *buf = (uint16_t *)data;
+ while(wordlen--)
+ __arch_putw(*buf++, addr);
+}
-#define __raw_writeb(v,a) __arch_putb(v,a)
-#define __raw_writew(v,a) __arch_putw(v,a)
-#define __raw_writel(v,a) __arch_putl(v,a)
+static inline void __raw_writesl(unsigned long addr, const void *data,
+ int longlen)
+{
+ uint32_t *buf = (uint32_t *)data;
+ while(longlen--)
+ __arch_putl(*buf++, addr);
+}
-#define __raw_readb(a) __arch_getb(a)
-#define __raw_readw(a) __arch_getw(a)
-#define __raw_readl(a) __arch_getl(a)
+static inline void __raw_readsb(unsigned long addr, void *data, int bytelen)
+{
+ uint8_t *buf = (uint8_t *)data;
+ while(bytelen--)
+ *buf++ = __arch_getb(addr);
+}
-#define writeb(v,a) __arch_putb(v,a)
-#define writew(v,a) __arch_putw(v,a)
-#define writel(v,a) __arch_putl(v,a)
+static inline void __raw_readsw(unsigned long addr, void *data, int wordlen)
+{
+ uint16_t *buf = (uint16_t *)data;
+ while(wordlen--)
+ *buf++ = __arch_getw(addr);
+}
-#define readb(a) __arch_getb(a)
-#define readw(a) __arch_getw(a)
-#define readl(a) __arch_getl(a)
+static inline void __raw_readsl(unsigned long addr, void *data, int longlen)
+{
+ uint32_t *buf = (uint32_t *)data;
+ while(longlen--)
+ *buf++ = __arch_getl(addr);
+}
+
+#define __raw_writeb(v,a) __arch_putb(v,a)
+#define __raw_writew(v,a) __arch_putw(v,a)
+#define __raw_writel(v,a) __arch_putl(v,a)
+#define __raw_writeq(v,a) __arch_putq(v,a)
+
+#define __raw_readb(a) __arch_getb(a)
+#define __raw_readw(a) __arch_getw(a)
+#define __raw_readl(a) __arch_getl(a)
+#define __raw_readq(a) __arch_getq(a)
+
+/*
+ * TODO: The kernel offers some more advanced versions of barriers, it might
+ * have some advantages to use them instead of the simple one here.
+ */
+#define mb() asm volatile("dsb sy" : : : "memory")
+#define dmb() __asm__ __volatile__ ("" : : : "memory")
+#define __iormb() dmb()
+#define __iowmb() dmb()
+
+#define writeb(v,c) ({ u8 __v = v; __iowmb(); __arch_putb(__v,c); __v; })
+#define writew(v,c) ({ u16 __v = v; __iowmb(); __arch_putw(__v,c); __v; })
+#define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
+#define writeq(v,c) ({ u64 __v = v; __iowmb(); __arch_putq(__v,c); __v; })
+
+#define readb(c) ({ u8 __v = __arch_getb(c); __iormb(); __v; })
+#define readw(c) ({ u16 __v = __arch_getw(c); __iormb(); __v; })
+#define readl(c) ({ u32 __v = __arch_getl(c); __iormb(); __v; })
+#define readq(c) ({ u64 __v = __arch_getq(c); __iormb(); __v; })
/*
* The compiler seems to be incapable of optimising constants
#define out_arch(type,endian,a,v) __raw_write##type(cpu_to_##endian(v),a)
#define in_arch(type,endian,a) endian##_to_cpu(__raw_read##type(a))
+#define out_le64(a,v) out_arch(q,le64,a,v)
#define out_le32(a,v) out_arch(l,le32,a,v)
#define out_le16(a,v) out_arch(w,le16,a,v)
+#define in_le64(a) in_arch(q,le64,a)
#define in_le32(a) in_arch(l,le32,a)
#define in_le16(a) in_arch(w,le16,a)
* iomem_to_phys(off)
*/
#ifdef iomem_valid_addr
-#define __arch_ioremap(off,sz,nocache) \
- ({ \
- unsigned long _off = (off), _size = (sz); \
- void *_ret = (void *)0; \
- if (iomem_valid_addr(_off, _size)) \
- _ret = __ioremap(iomem_to_phys(_off),_size,0); \
- _ret; \
+#define __arch_ioremap(off,sz,nocache) \
+ ({ \
+ unsigned long _off = (off), _size = (sz); \
+ void *_ret = (void *)0; \
+ if (iomem_valid_addr(_off, _size)) \
+ _ret = __ioremap(iomem_to_phys(_off),_size,nocache); \
+ _ret; \
})
#define __arch_iounmap __iounmap
return retval;
}
-#elif !defined(readb)
+#else
+#define memset_io(a, b, c) memset((void *)(a), (b), (c))
+#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
+#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
+
+#if !defined(readb)
#define readb(addr) (__readwrite_bug("readb"),0)
#define readw(addr) (__readwrite_bug("readw"),0)
#define check_signature(io,sig,len) (0)
+#endif
#endif /* __mem_pci */
/*
#endif /* __mem_isa */
#endif /* __KERNEL__ */
+
+#include <iotrace.h>
+
#endif /* __ASM_ARM_IO_H */