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Gerald Van Baren64dbbd42007-04-06 14:19:43 -04001/*
2 * (C) Copyright 2007
3 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Gerald Van Baren64dbbd42007-04-06 14:19:43 -04006 */
7
8#ifndef __FDT_SUPPORT_H
9#define __FDT_SUPPORT_H
10
11#ifdef CONFIG_OF_LIBFDT
12
Gerald Van Baren58864dd2013-02-07 19:49:54 -050013#include <libfdt.h>
Gerald Van Baren64dbbd42007-04-06 14:19:43 -040014
Alexander Graf94fb1822014-04-11 17:09:40 +020015u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
16 const char *prop, const u32 dflt);
Gabe Black07e12782011-11-08 01:09:44 -080017u32 fdt_getprop_u32_default(const void *fdt, const char *path,
18 const char *prop, const u32 dflt);
Masahiro Yamadabc6ed0f2014-04-18 17:41:00 +090019int fdt_chosen(void *fdt);
Masahiro Yamadadbe963a2014-04-18 17:40:59 +090020int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
Kumar Galae93becf2007-11-03 19:46:28 -050021void do_fixup_by_path(void *fdt, const char *path, const char *prop,
22 const void *val, int len, int create);
23void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
24 u32 val, int create);
Chunhe Lan8ddb10e2011-08-31 10:36:32 +080025
26static inline void do_fixup_by_path_string(void *fdt, const char *path,
27 const char *prop, const char *status)
28{
29 do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
30}
31
Kumar Gala9eb77ce2007-11-21 13:30:15 -060032void do_fixup_by_prop(void *fdt,
33 const char *pname, const void *pval, int plen,
34 const char *prop, const void *val, int len,
35 int create);
36void do_fixup_by_prop_u32(void *fdt,
37 const char *pname, const void *pval, int plen,
38 const char *prop, u32 val, int create);
39void do_fixup_by_compat(void *fdt, const char *compat,
40 const char *prop, const void *val, int len, int create);
41void do_fixup_by_compat_u32(void *fdt, const char *compat,
42 const char *prop, u32 val, int create);
Kumar Gala3c927282007-11-26 14:57:45 -060043int fdt_fixup_memory(void *blob, u64 start, u64 size);
John Rigbya6bd9e82010-10-13 13:57:33 -060044int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
Kumar Galaba37aa02008-08-19 15:41:18 -050045void fdt_fixup_ethernet(void *fdt);
Matthias Fuchs22fb2242007-12-28 11:56:30 +010046int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
47 const void *val, int len, int create);
Timur Tabib8ec2382008-01-07 13:31:19 -060048void fdt_fixup_qe_firmware(void *fdt);
Gerald Van Baren64dbbd42007-04-06 14:19:43 -040049
ramneek mehresh79f49122012-02-10 00:36:43 +000050#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
Anton Vorontsov18e69a32008-03-14 23:20:18 +030051void fdt_fixup_dr_usb(void *blob, bd_t *bd);
52#else
53static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
ramneek mehresh79f49122012-02-10 00:36:43 +000054#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
Anton Vorontsov18e69a32008-03-14 23:20:18 +030055
Kim Phillips929a2132010-06-01 12:24:27 -050056#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
Kim Phillips6b70ffb2008-06-16 15:55:53 -050057void fdt_fixup_crypto_node(void *blob, int sec_rev);
58#else
59static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
60#endif
61
Kumar Gala8ab451c2008-10-22 23:33:56 -050062#ifdef CONFIG_PCI
63#include <pci.h>
64int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
65#endif
66
Gerald Van Barene125a2f2007-07-10 20:40:39 -040067void ft_board_setup(void *blob, bd_t *bd);
Vitaly Andrianov00c200f2014-04-04 13:16:47 -040068/*
69 * The keystone2 SOC requires all 32 bit aliased addresses to be converted
70 * to their 36 physical format. This has to happen after all fdt nodes
71 * are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
72 * called at the end of the image_setup_libfdt() is to do that convertion.
73 */
74void ft_board_setup_ex(void *blob, bd_t *bd);
Gerald Van Barene125a2f2007-07-10 20:40:39 -040075void ft_cpu_setup(void *blob, bd_t *bd);
76void ft_pci_setup(void *blob, bd_t *bd);
Gerald Van Barene125a2f2007-07-10 20:40:39 -040077
Kumar Gala54f9c862008-08-15 08:24:39 -050078void set_working_fdt_addr(void *addr);
Simon Glass5bf58cc2014-07-30 03:59:02 -060079int fdt_shrink_to_minimum(void *blob);
Timur Tabib3606f12011-05-03 13:35:10 -050080int fdt_increase_size(void *fdt, int add_len);
Kumar Gala54f9c862008-08-15 08:24:39 -050081
Stefan Roese8a805df2010-09-16 14:01:53 +020082int fdt_fixup_nor_flash_size(void *blob);
Stefan Roese30d45c02009-10-21 11:59:52 +020083
Anatolij Gustschin3c950e22010-03-16 17:10:05 +010084void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
Kumar Gala49b97d92010-03-30 10:19:26 -050085void fdt_del_node_and_alias(void *blob, const char *alias);
Kim Phillips8aa5ec62013-01-16 14:00:11 +000086u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
Kumar Gala75e73af2010-07-04 12:48:21 -050087int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
88 phys_addr_t compat_off);
Kumar Galab4b847e2010-07-09 16:18:58 -050089int fdt_alloc_phandle(void *blob);
Kumar Galaf117c0f2011-08-01 00:23:23 -050090int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
Timur Tabi3c927cc2011-09-20 18:24:34 -050091unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
Anatolij Gustschinbeca5a52010-08-18 11:25:20 +020092int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
Anatolij Gustschin3c950e22010-03-16 17:10:05 +010093
Timur Tabibb682002011-05-03 13:24:07 -050094int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
95 u64 addr);
96u64 fdt_get_base_address(void *fdt, int node);
Alexander Grafc48e6862014-04-11 17:09:41 +020097int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
98 uint64_t *addr, uint64_t *len);
Timur Tabibb682002011-05-03 13:24:07 -050099
Shengzhou Liu2a523f52011-10-14 16:26:05 +0800100enum fdt_status {
101 FDT_STATUS_OKAY,
102 FDT_STATUS_DISABLED,
103 FDT_STATUS_FAIL,
104 FDT_STATUS_FAIL_ERROR_CODE,
105};
106int fdt_set_node_status(void *fdt, int nodeoffset,
107 enum fdt_status status, unsigned int error_code);
108static inline int fdt_status_okay(void *fdt, int nodeoffset)
109{
110 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
111}
112static inline int fdt_status_disabled(void *fdt, int nodeoffset)
113{
114 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
115}
J. German Riverab940ca62014-06-23 15:15:55 -0700116static inline int fdt_status_fail(void *fdt, int nodeoffset)
117{
118 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
119}
Shengzhou Liu2a523f52011-10-14 16:26:05 +0800120
J. German Riverab940ca62014-06-23 15:15:55 -0700121int fdt_set_status_by_alias(void *fdt, const char *alias,
Shengzhou Liu2a523f52011-10-14 16:26:05 +0800122 enum fdt_status status, unsigned int error_code);
J. German Riverab940ca62014-06-23 15:15:55 -0700123static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
Shengzhou Liu2a523f52011-10-14 16:26:05 +0800124{
125 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
126}
J. German Riverab940ca62014-06-23 15:15:55 -0700127static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
Shengzhou Liu2a523f52011-10-14 16:26:05 +0800128{
129 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
130}
J. German Riverab940ca62014-06-23 15:15:55 -0700131static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
132{
133 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
134}
Shengzhou Liu2a523f52011-10-14 16:26:05 +0800135
Arnab Basu08df4a22014-09-08 12:19:58 -0700136/* Helper to read a big number; size is in cells (not bytes) */
137static inline u64 of_read_number(const fdt32_t *cell, int size)
138{
139 u64 r = 0;
140 while (size--)
141 r = (r << 32) | fdt32_to_cpu(*(cell++));
142 return r;
143}
144
Arnab Basuf43b4352014-09-08 12:19:59 -0700145void of_bus_default_count_cells(void *blob, int parentoffset,
146 int *addrc, int *sizec);
Jeroen Hofsteed50b07d2014-10-08 22:58:02 +0200147int ft_verify_fdt(void *fdt);
148int arch_fixup_memory_node(void *blob);
Arnab Basuf43b4352014-09-08 12:19:59 -0700149
Gerald Van Baren64dbbd42007-04-06 14:19:43 -0400150#endif /* ifdef CONFIG_OF_LIBFDT */
Heiko Schocher29a23f92014-03-03 12:19:30 +0100151
152#ifdef USE_HOSTCC
153int fdtdec_get_int(const void *blob, int node, const char *prop_name,
154 int default_val);
155#endif
Gerald Van Baren64dbbd42007-04-06 14:19:43 -0400156#endif /* ifndef __FDT_SUPPORT_H */