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authorMarian Balakowicz <m8@semihalf.com>2008-03-12 10:35:46 +0100
committerMarian Balakowicz <m8@semihalf.com>2008-03-12 10:35:46 +0100
commitf773bea8e11f4a11c388dcee956b2444203e6b65 (patch)
tree7e6e86cd0e17efafe194696eaa87a38d80cf8ae1 /lib_ppc
parent2682ce8a4225f23d72bb7fed069e928dd39d34ae (diff)
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[new uImage] Add proper ramdisk/FDT handling when FIT configuration is used
Save FIT configuration provied in the first bootm argument and use it when to get ramdisk/FDT subimages when second and third (ramdisk/FDT) arguments are not specified. Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Diffstat (limited to 'lib_ppc')
-rw-r--r--lib_ppc/bootm.c104
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);