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fdt.h: Add grub_fdt_set_reg64 macro

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Signed-off-by: Fu Wei <fu.wei@linaro.org>
This commit is contained in:
Fu Wei 2015-05-07 15:13:25 +02:00 committed by Vladimir Serbinenko
parent f8451af825
commit cfe2ae8936
1 changed files with 12 additions and 0 deletions
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12
include/grub/fdt.h
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@ -117,4 +117,16 @@ int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name,
grub_fdt_set_prop ((fdt), (nodeoffset), (name), &_val, 8); \
})
/* Setup "reg" property for
* #address-cells = <0x2>
* #size-cells = <0x2>
*/
#define grub_fdt_set_reg64(fdt, nodeoffset, addr, size) \
({ \
grub_uint64_t reg_64[2]; \
reg_64[0] = grub_cpu_to_be64(addr); \
reg_64[1] = grub_cpu_to_be64(size); \
grub_fdt_set_prop ((fdt), (nodeoffset), "reg", reg_64, 16); \
})
#endif /* ! GRUB_FDT_HEADER */