25 lines
896 B
C
25 lines
896 B
C
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#ifndef __ASM_ARM_IO_H
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#define __ASM_ARM_IO_H
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#include <sys/types.h>
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#include <barriers.h>
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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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#define mb() dsb()
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#define __iormb() dmb()
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#define __iowmb() dmb()
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#ifdef REG_IORW_DEBUG
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#include <serial.h>
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#define writel(v,c) ({ u32 __v = v; __iowmb(); serial_puts("REG W: 0x"); serial_put_hex(c); serial_puts(", 0x"); serial_put_hex(__v); serial_puts("\n"); __arch_putl(__v,c); __v; })
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#define readl(c) ({ u32 __v; serial_puts("REG R: 0x"); serial_put_hex(c); __v = __arch_getl(c); __iormb(); serial_puts(", 0x"); serial_put_hex(__v); serial_puts("\n"); __v; })
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#else
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#define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
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#define readl(c) ({ u32 __v = __arch_getl(c); __iormb(); __v; })
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#endif
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#endif /* __ASM_ARM_IO_H */
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