mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 04:17:58 +07:00
af6074fc9a
Convert remaining DT files to use SPDX-License-Identifier tags. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Reviewed-by: Frank Rowand <frank.rowand@sony.com> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Rob Herring <robh@kernel.org>
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Definitions for building a device tree by calling into the
|
|
* Open Firmware PROM.
|
|
*
|
|
* Copyright (C) 2010 Andres Salomon <dilinger@queued.net>
|
|
*/
|
|
|
|
#ifndef _LINUX_OF_PDT_H
|
|
#define _LINUX_OF_PDT_H
|
|
|
|
/* overridable operations for calling into the PROM */
|
|
struct of_pdt_ops {
|
|
/*
|
|
* buf should be 32 bytes; return 0 on success.
|
|
* If prev is NULL, the first property will be returned.
|
|
*/
|
|
int (*nextprop)(phandle node, char *prev, char *buf);
|
|
|
|
/* for both functions, return proplen on success; -1 on error */
|
|
int (*getproplen)(phandle node, const char *prop);
|
|
int (*getproperty)(phandle node, const char *prop, char *buf,
|
|
int bufsize);
|
|
|
|
/* phandles are 0 if no child or sibling exists */
|
|
phandle (*getchild)(phandle parent);
|
|
phandle (*getsibling)(phandle node);
|
|
|
|
/* return 0 on success; fill in 'len' with number of bytes in path */
|
|
int (*pkg2path)(phandle node, char *buf, const int buflen, int *len);
|
|
};
|
|
|
|
extern void *prom_early_alloc(unsigned long size);
|
|
|
|
/* for building the device tree */
|
|
extern void of_pdt_build_devicetree(phandle root_node, struct of_pdt_ops *ops);
|
|
|
|
extern void (*of_pdt_build_more)(struct device_node *dp);
|
|
|
|
#endif /* _LINUX_OF_PDT_H */
|