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