80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* This file does the necessary interface mapping between the bootwrapper
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* device tree operations and the interface provided by shared source
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* files flatdevicetree.[ch].
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*
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* Author: Mark A. Greer <mgreer@mvista.com>
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*
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* 2006 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <stddef.h>
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#include "flatdevtree.h"
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#include "ops.h"
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static struct ft_cxt cxt;
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static void *fdtm_finddevice(const char *name)
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{
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return ft_find_device(&cxt, NULL, name);
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}
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static int fdtm_getprop(const void *phandle, const char *propname,
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void *buf, const int buflen)
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{
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return ft_get_prop(&cxt, phandle, propname, buf, buflen);
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}
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static int fdtm_setprop(const void *phandle, const char *propname,
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const void *buf, const int buflen)
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{
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return ft_set_prop(&cxt, phandle, propname, buf, buflen);
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}
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static void *fdtm_get_parent(const void *phandle)
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{
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return ft_get_parent(&cxt, phandle);
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}
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static void *fdtm_create_node(const void *phandle, const char *name)
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{
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return ft_create_node(&cxt, phandle, name);
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}
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static void *fdtm_find_node_by_prop_value(const void *prev,
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const char *propname,
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const char *propval,
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int proplen)
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{
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return ft_find_node_by_prop_value(&cxt, prev, propname,
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propval, proplen);
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}
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static unsigned long fdtm_finalize(void)
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{
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ft_end_tree(&cxt);
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return (unsigned long)cxt.bph;
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}
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static char *fdtm_get_path(const void *phandle, char *buf, int len)
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{
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return ft_get_path(&cxt, phandle, buf, len);
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}
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int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device)
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{
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dt_ops.finddevice = fdtm_finddevice;
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dt_ops.getprop = fdtm_getprop;
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dt_ops.setprop = fdtm_setprop;
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dt_ops.get_parent = fdtm_get_parent;
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dt_ops.create_node = fdtm_create_node;
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dt_ops.find_node_by_prop_value = fdtm_find_node_by_prop_value;
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dt_ops.finalize = fdtm_finalize;
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dt_ops.get_path = fdtm_get_path;
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return ft_open(&cxt, dt_blob, max_size, max_find_device,
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platform_ops.realloc);
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}
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