36 lines
732 B
C
Executable File
36 lines
732 B
C
Executable File
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#ifndef _P_IO_H
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#define _P_BASE_H
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#if 1
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#define __arch_getl(a) (*(volatile unsigned int *)(a))
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#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
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#ifndef dmb
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#define dmb() __asm__ __volatile__ ("" : : : "memory")
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#endif
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#define __iormb() dmb()
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#define __iowmb() dmb()
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#define readl(c) ({ unsigned int __v = __arch_getl(c); __iormb(); __v; })
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#define writel(v,c) ({ unsigned int __v = v; __iowmb(); __arch_putl(__v,c);})
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#else
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static inline void writel(unsigned int value, unsigned int addr)
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{
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*(volatile unsigned int *)addr = value;
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}
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static inline unsigned int readl(unsigned int addr)
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{
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return *(volatile unsigned int *)addr;
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}
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#endif
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static inline void delay(unsigned int n)
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{
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while(n--)
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;
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}
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#endif
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