diff options
Diffstat (limited to 'include/fdt_support.h')
-rw-r--r-- | include/fdt_support.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/include/fdt_support.h b/include/fdt_support.h index d5e09e658c..1f19fe4c96 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -64,7 +64,20 @@ static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {} int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose); #endif -void ft_board_setup(void *blob, bd_t *bd); +int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name); + +/** + * Add board-specific data to the FDT before booting the OS. + * + * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space. + * This function is called if CONFIG_OF_BOARD_SETUP is defined + * + * @param blob FDT blob to update + * @param bd_t Pointer to board data + * @return 0 if ok, or -FDT_ERR_... on error + */ +int ft_board_setup(void *blob, bd_t *bd); + /* * The keystone2 SOC requires all 32 bit aliased addresses to be converted * to their 36 physical format. This has to happen after all fdt nodes @@ -75,6 +88,18 @@ void ft_board_setup_ex(void *blob, bd_t *bd); void ft_cpu_setup(void *blob, bd_t *bd); void ft_pci_setup(void *blob, bd_t *bd); +/** + * Add system-specific data to the FDT before booting the OS. + * + * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space. + * This function is called if CONFIG_OF_SYSTEM_SETUP is defined + * + * @param blob FDT blob to update + * @param bd_t Pointer to board data + * @return 0 if ok, or -FDT_ERR_... on error + */ +int ft_system_setup(void *blob, bd_t *bd); + void set_working_fdt_addr(void *addr); int fdt_shrink_to_minimum(void *blob); int fdt_increase_size(void *fdt, int add_len); |