diff options
Diffstat (limited to 'lib_ppc')
| -rw-r--r-- | lib_ppc/bootm.c | 104 |
1 files changed, 73 insertions, 31 deletions
diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c index 86e104c..8cdace2 100644 --- a/lib_ppc/bootm.c +++ b/lib_ppc/bootm.c @@ -415,7 +415,7 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], const char *fit_uname_config = NULL; const char *fit_uname_fdt = NULL; ulong default_addr; - int conf_noffset; + int cfg_noffset; int fdt_noffset; const void *data; size_t size; @@ -424,35 +424,67 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], *of_flat_tree = NULL; *of_size = 0; - if (argc > 3) { + if (argc > 3 || genimg_has_config (images)) { #if defined(CONFIG_FIT) - /* - * If the FDT blob comes from the FIT image and the FIT image - * address is omitted in the command line argument, try to use - * ramdisk or os FIT image address or default load address. - */ - if (images->fit_uname_rd) - default_addr = (ulong)images->fit_hdr_rd; - else if (images->fit_uname_os) - default_addr = (ulong)images->fit_hdr_os; - else - default_addr = load_addr; - - if (fit_parse_conf (argv[3], default_addr, - &fdt_addr, &fit_uname_config)) { - debug ("* fdt: config '%s' from image at 0x%08lx\n", - fit_uname_config, fdt_addr); - } else if (fit_parse_subimage (argv[3], default_addr, - &fdt_addr, &fit_uname_fdt)) { - debug ("* fdt: subimage '%s' from image at 0x%08lx\n", - fit_uname_fdt, fdt_addr); - } else + if (argc > 3) { + /* + * If the FDT blob comes from the FIT image and the + * FIT image address is omitted in the command line + * argument, try to use ramdisk or os FIT image + * address or default load address. + */ + if (images->fit_uname_rd) + default_addr = (ulong)images->fit_hdr_rd; + else if (images->fit_uname_os) + default_addr = (ulong)images->fit_hdr_os; + else + default_addr = load_addr; + + if (fit_parse_conf (argv[3], default_addr, + &fdt_addr, &fit_uname_config)) { + debug ("* fdt: config '%s' from image at 0x%08lx\n", + fit_uname_config, fdt_addr); + } else if (fit_parse_subimage (argv[3], default_addr, + &fdt_addr, &fit_uname_fdt)) { + debug ("* fdt: subimage '%s' from image at 0x%08lx\n", + fit_uname_fdt, fdt_addr); + } else #endif - { - fdt_addr = simple_strtoul(argv[3], NULL, 16); - debug ("* fdt: cmdline image address = 0x%08lx\n", - fdt_addr); + { + fdt_addr = simple_strtoul(argv[3], NULL, 16); + debug ("* fdt: cmdline image address = 0x%08lx\n", + fdt_addr); + } +#if defined(CONFIG_FIT) + } else { + /* use FIT configuration provided in first bootm + * command argument + */ + fdt_addr = (ulong)images->fit_hdr_os; + fit_uname_config = images->fit_uname_cfg; + debug ("* fdt: using config '%s' from image at 0x%08lx\n", + fit_uname_config, fdt_addr); + + /* + * Check whether configuration has FDT blob defined, + * if not quit silently. + */ + fit_hdr = (void *)fdt_addr; + cfg_noffset = fit_conf_get_node (fit_hdr, + fit_uname_config); + if (cfg_noffset < 0) { + debug ("* fdt: no such config\n"); + return 0; + } + + fdt_noffset = fit_conf_get_fdt_node (fit_hdr, + cfg_noffset); + if (fdt_noffset < 0) { + debug ("* fdt: no fdt in config\n"); + return 0; + } } +#endif debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", fdt_addr); @@ -522,13 +554,21 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], * fit_conf_get_node() will try to * find default config node */ - conf_noffset = fit_conf_get_node (fit_hdr, + cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); - if (conf_noffset < 0) + + if (cfg_noffset < 0) { + fdt_error ("Could not find configuration node\n"); goto error; + } + + fit_uname_config = fdt_get_name (fit_hdr, + cfg_noffset, NULL); + printf (" Using '%s' configuration\n", + fit_uname_config); fdt_noffset = fit_conf_get_fdt_node (fit_hdr, - conf_noffset); + cfg_noffset); fit_uname_fdt = fit_get_name (fit_hdr, fdt_noffset, NULL); } else { @@ -536,8 +576,10 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], fdt_noffset = fit_image_get_node (fit_hdr, fit_uname_fdt); } - if (fdt_noffset < 0) + if (fdt_noffset < 0) { + fdt_error ("Could not find subimage node\n"); goto error; + } printf (" Trying '%s' FDT blob subimage\n", fit_uname_fdt); |