Add support for changing DT at run time. It is done via board_detection() which returns platform_id and platform_version which can be used via board_name_decode() to compose board_local_name string which corresponds with DT which is should be used.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
board/xilinx/common/board.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/board/xilinx/common/board.c b/board/xilinx/common/board.c index 2aecb14d8e27..92874272893a 100644 --- a/board/xilinx/common/board.c +++ b/board/xilinx/common/board.c @@ -463,3 +463,34 @@ int print_cpuinfo(void) return 0; } #endif + +#if CONFIG_IS_ENABLED(DTB_RESELECT) +char * __maybe_unused __weak board_name_decode(void) +{ + return NULL; +} + +bool __maybe_unused __weak board_detection(void) +{ + return false; +} + +int embedded_dtb_select(void) +{ + if (board_detection()) { + char *board_local_name; + + board_local_name = board_name_decode(); + if (board_local_name) { + board_name = board_local_name; + debug("Detected name: %s\n", board_name); + + /* Time to change DTB on fly */ + /* Both ways should work here */ + /* fdtdec_resetup(&rescan); */ + fdtdec_setup(); + } + } + return 0; +} +#endif