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device_tree: Add support for reading device tree properties

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Add support for reading device tree properties (both generic
and single-cell ones) to QEMU's convenience wrapper layer.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
This commit is contained in:
Peter Maydell 2012-07-20 13:34:50 +01:00
parent 3871481c0a
commit f0aa713f65
2 changed files with 34 additions and 0 deletions
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4
device_tree.h
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@ -28,6 +28,10 @@ int qemu_devtree_setprop_string(void *fdt, const char *node_path,
int qemu_devtree_setprop_phandle(void *fdt, const char *node_path,
const char *property,
const char *target_node_path);
const void *qemu_devtree_getprop(void *fdt, const char *node_path,
const char *property, int *lenp);
uint32_t qemu_devtree_getprop_cell(void *fdt, const char *node_path,
const char *property);
uint32_t qemu_devtree_get_phandle(void *fdt, const char *path);
uint32_t qemu_devtree_alloc_phandle(void *fdt);
int qemu_devtree_nop_node(void *fdt, const char *node_path);