21f3fe2f7a
This will be used by the PlanetCore firmware support to construct a linux,stdout-path from the serial node that it finds. Signed-off-by: Scott Wood <scottwood@freescale.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
|
|
* 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);
|
|
}
|