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dt: add helper for 64bit cell adds

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Some times in the device tree, we find an array of 2 u32 cells that
really are a single u64 value. This patch adds a helper to make the
creation of these easy.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
This commit is contained in:
Alexander Graf 2012-05-18 01:53:01 +02:00
parent 3601b57282
commit bb28eb3797
2 changed files with 9 additions and 0 deletions
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7
device_tree.c
View File

@ -154,6 +154,13 @@ int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
return r;
}
int qemu_devtree_setprop_u64(void *fdt, const char *node_path,
const char *property, uint64_t val)
{
val = cpu_to_be64(val);
return qemu_devtree_setprop(fdt, node_path, property, &val, sizeof(val));
}
int qemu_devtree_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string)
{

2
device_tree.h
View File

@ -21,6 +21,8 @@ int qemu_devtree_setprop(void *fdt, const char *node_path,
const char *property, void *val_array, int size);
int qemu_devtree_setprop_cell(void *fdt, const char *node_path,
const char *property, uint32_t val);
int qemu_devtree_setprop_u64(void *fdt, const char *node_path,
const char *property, uint64_t val);
int qemu_devtree_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string);
int qemu_devtree_setprop_phandle(void *fdt, const char *node_path,