diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/global_data.h | 4 | ||||
-rw-r--r-- | include/fdtdec.h | 21 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index dffd6b2602..78dcf40bff 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -77,6 +77,10 @@ typedef struct global_data { #ifdef CONFIG_OF_LIVE struct device_node *of_root; #endif + +#if CONFIG_IS_ENABLED(MULTI_DTB_FIT) + const void *multi_dtb_fit; /* uncompressed multi-dtb FIT image */ +#endif struct jt_funcs *jt; /* jump table */ char env_buf[32]; /* buffer for env_get() before reloc. */ #ifdef CONFIG_TRACE diff --git a/include/fdtdec.h b/include/fdtdec.h index b15da00fb2..f1bcbf837f 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -951,6 +951,27 @@ int fdtdec_setup_memory_banksize(void); */ int fdtdec_setup(void); +#if CONFIG_IS_ENABLED(MULTI_DTB_FIT) +/** + * fdtdec_resetup() - Set up the device tree again + * + * The main difference with fdtdec_setup() is that it returns if the fdt has + * changed because a better match has been found. + * This is typically used for boards that rely on a DM driver to detect the + * board type. This function sould be called by the board code after the stuff + * needed by board_fit_config_name_match() to operate porperly is available. + * If this functions signals that a rescan is necessary, the board code must + * unbind all the drivers using dm_uninit() and then rescan the DT with + * dm_init_and_scan(). + * + * @param rescan Returns a flag indicating that fdt has changed and rescanning + * the fdt is required + * + * @return 0 if OK, -ve on error + */ +int fdtdec_resetup(int *rescan); +#endif + /** * Board-specific FDT initialization. Returns the address to a device tree blob. * Called when CONFIG_OF_BOARD is defined, or if CONFIG_OF_SEPARATE is defined |