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fdt: introduce fdt_verify_alias_address() and fdt_get_base_address()

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Introduce two functions, fdt_verify_alias_address() and
fdt_get_base_address(), which can be used to verify the physical address
of a device in a device tree.

fdt_get_base_address() returns the base address of an SOC or PCI node.

fdt_verify_alias_address() prints a message if the address of a node
specified by an alias does not match the given physical address.

Signed-off-by: Timur Tabi <timur@freescale.com>
This commit is contained in:
Timur Tabi
2011-05-03 13:24:07 -05:00
committed by Gerald Van Baren
parent d1c6314887
commit bb682001f1
2 changed files with 71 additions and 0 deletions
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4
include/fdt_support.h
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@@ -90,5 +90,9 @@ int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
int fdt_alloc_phandle(void *blob);
int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
u64 addr);
u64 fdt_get_base_address(void *fdt, int node);
#endif /* ifdef CONFIG_OF_LIBFDT */
#endif /* ifndef __FDT_SUPPORT_H */