From: Grant Likely grant.likely@secretlab.ca
Boards with CONFIG_OF_LIBFDT enabled are not able to boot old-style kernels using the board info structure (instead of passing a device tree) This change allows the old style booting to be used if the fdt argument was not passed to 'bootm'.
Signed-off-by: Grant Likely grant.likely@secretlab.ca ---
common/cmd_bootm.c | 36 +++++++++++++++++++----------------- 1 files changed, 19 insertions(+), 17 deletions(-)
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index bcb927f..919188f 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -962,29 +962,31 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, * Add the chosen node if it doesn't exist, add the env and bd_t * if the user wants it (the logic is in the subroutines). */ - if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) { - puts ("ERROR: /chosen node create failed - " - "must RESET the board to recover.\n"); - do_reset (cmdtp, flag, argc, argv); - } + if (of_flat_tree) { + if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) { + puts ("ERROR: /chosen node create failed - " + "must RESET the board to recover.\n"); + do_reset (cmdtp, flag, argc, argv); + } #ifdef CONFIG_OF_HAS_UBOOT_ENV - if (fdt_env(of_flat_tree) < 0) { - puts ("ERROR: /u-boot-env node create failed - " - "must RESET the board to recover.\n"); - do_reset (cmdtp, flag, argc, argv); - } + if (fdt_env(of_flat_tree) < 0) { + puts ("ERROR: /u-boot-env node create failed - " + "must RESET the board to recover.\n"); + do_reset (cmdtp, flag, argc, argv); + } #endif #ifdef CONFIG_OF_HAS_BD_T - if (fdt_bd_t(of_flat_tree) < 0) { - puts ("ERROR: /bd_t node create failed - " - "must RESET the board to recover.\n"); - do_reset (cmdtp, flag, argc, argv); - } + if (fdt_bd_t(of_flat_tree) < 0) { + puts ("ERROR: /bd_t node create failed - " + "must RESET the board to recover.\n"); + do_reset (cmdtp, flag, argc, argv); + } #endif #ifdef CONFIG_OF_BOARD_SETUP - /* Call the board-specific fixup routine */ - ft_board_setup(of_flat_tree, gd->bd); + /* Call the board-specific fixup routine */ + ft_board_setup(of_flat_tree, gd->bd); #endif + } #endif /* CONFIG_OF_LIBFDT */ #if defined(CONFIG_OF_FLAT_TREE) #ifdef CFG_BOOTMAPSZ