uboot/include/fdt_support.h
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   1/*
   2 * (C) Copyright 2007
   3 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#ifndef __FDT_SUPPORT_H
   9#define __FDT_SUPPORT_H
  10
  11#ifdef CONFIG_OF_LIBFDT
  12
  13#include <libfdt.h>
  14
  15u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
  16                                const char *prop, const u32 dflt);
  17u32 fdt_getprop_u32_default(const void *fdt, const char *path,
  18                                const char *prop, const u32 dflt);
  19int fdt_chosen(void *fdt);
  20int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
  21void 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);
  25
  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
  32void 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);
  43int fdt_fixup_memory(void *blob, u64 start, u64 size);
  44int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
  45void fdt_fixup_ethernet(void *fdt);
  46int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
  47                         const void *val, int len, int create);
  48void fdt_fixup_qe_firmware(void *fdt);
  49
  50#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
  51void fdt_fixup_dr_usb(void *blob, bd_t *bd);
  52#else
  53static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
  54#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
  55
  56#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
  57void 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
  62#ifdef CONFIG_PCI
  63#include <pci.h>
  64int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
  65#endif
  66
  67void ft_board_setup(void *blob, bd_t *bd);
  68/*
  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);
  75void ft_cpu_setup(void *blob, bd_t *bd);
  76void ft_pci_setup(void *blob, bd_t *bd);
  77
  78void set_working_fdt_addr(void *addr);
  79int fdt_resize(void *blob);
  80int fdt_increase_size(void *fdt, int add_len);
  81
  82int fdt_fixup_nor_flash_size(void *blob);
  83
  84void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
  85void fdt_del_node_and_alias(void *blob, const char *alias);
  86u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
  87int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
  88                                        phys_addr_t compat_off);
  89int fdt_alloc_phandle(void *blob);
  90int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
  91unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
  92int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
  93
  94int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
  95                              u64 addr);
  96u64 fdt_get_base_address(void *fdt, int node);
  97int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
  98                   uint64_t *addr, uint64_t *len);
  99
 100enum 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}
 116static inline int fdt_status_fail(void *fdt, int nodeoffset)
 117{
 118        return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
 119}
 120
 121int fdt_set_status_by_alias(void *fdt, const char *alias,
 122                            enum fdt_status status, unsigned int error_code);
 123static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
 124{
 125        return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
 126}
 127static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
 128{
 129        return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
 130}
 131static 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}
 135
 136#endif /* ifdef CONFIG_OF_LIBFDT */
 137
 138#ifdef USE_HOSTCC
 139int fdtdec_get_int(const void *blob, int node, const char *prop_name,
 140                int default_val);
 141#endif
 142#endif /* ifndef __FDT_SUPPORT_H */
 143