40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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#ifndef __ASM_AVR32_ARCH_AT32AP_IO_H
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#define __ASM_AVR32_ARCH_AT32AP_IO_H
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/* For "bizarre" halfword swapping */
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#include <linux/byteorder/swabb.h>
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#if defined(CONFIG_AP700X_32_BIT_SMC)
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# define __swizzle_addr_b(addr) (addr ^ 3UL)
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# define __swizzle_addr_w(addr) (addr ^ 2UL)
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# define __swizzle_addr_l(addr) (addr)
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# define ioswabb(a, x) (x)
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# define ioswabw(a, x) (x)
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# define ioswabl(a, x) (x)
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# define __mem_ioswabb(a, x) (x)
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# define __mem_ioswabw(a, x) swab16(x)
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# define __mem_ioswabl(a, x) swab32(x)
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#elif defined(CONFIG_AP700X_16_BIT_SMC)
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# define __swizzle_addr_b(addr) (addr ^ 1UL)
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# define __swizzle_addr_w(addr) (addr)
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# define __swizzle_addr_l(addr) (addr)
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# define ioswabb(a, x) (x)
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# define ioswabw(a, x) (x)
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# define ioswabl(a, x) swahw32(x)
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# define __mem_ioswabb(a, x) (x)
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# define __mem_ioswabw(a, x) swab16(x)
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# define __mem_ioswabl(a, x) swahb32(x)
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#else
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# define __swizzle_addr_b(addr) (addr)
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# define __swizzle_addr_w(addr) (addr)
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# define __swizzle_addr_l(addr) (addr)
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# define ioswabb(a, x) (x)
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# define ioswabw(a, x) swab16(x)
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# define ioswabl(a, x) swab32(x)
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# define __mem_ioswabb(a, x) (x)
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# define __mem_ioswabw(a, x) (x)
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# define __mem_ioswabl(a, x) (x)
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#endif
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#endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */
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