doc: replace @return by Return:
[platform/kernel/u-boot.git] / boot / image-board.c
index bf88171..0d2e0fc 100644 (file)
@@ -27,6 +27,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 /**
  * image_get_ramdisk - get and verify ramdisk image
  * @rd_addr: ramdisk image start address
@@ -85,6 +86,7 @@ static const image_header_t *image_get_ramdisk(ulong rd_addr, u8 arch,
 
        return rd_hdr;
 }
+#endif
 
 /*****************************************************************************/
 /* Shared dual-format routines */
@@ -319,24 +321,22 @@ int genimg_has_config(bootm_headers_t *images)
  * @arch: expected ramdisk architecture
  * @rd_datap: pointer to a ulong variable, will hold ramdisk pointer
  * @rd_lenp: pointer to a ulong variable, will hold ramdisk length
- * @return 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported),
+ * Return: 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported),
  *     other -ve value on other error
  */
 static int select_ramdisk(bootm_headers_t *images, const char *select, u8 arch,
                          ulong *rd_datap, ulong *rd_lenp)
 {
-       ulong rd_addr = 0;
+       ulong rd_addr;
        char *buf;
-       const char *fit_uname_config = images->fit_uname_cfg;
-       const char *fit_uname_ramdisk = NULL;
-       bool processed;
-       int rd_noffset;
 
-       if (select) {
-               ulong default_addr;
-               bool done = true;
+#if CONFIG_IS_ENABLED(FIT)
+               const char *fit_uname_config = images->fit_uname_cfg;
+               const char *fit_uname_ramdisk = NULL;
+               int rd_noffset;
 
-               if (CONFIG_IS_ENABLED(FIT)) {
+               if (select) {
+                       ulong default_addr;
                        /*
                         * If the init ramdisk comes from the FIT image and
                         * the FIT image address is omitted in the command
@@ -348,8 +348,8 @@ static int select_ramdisk(bootm_headers_t *images, const char *select, u8 arch,
                        else
                                default_addr = image_load_addr;
 
-                       if (fit_parse_conf(select, default_addr, &rd_addr,
-                                          &fit_uname_config)) {
+                       if (fit_parse_conf(select, default_addr,
+                                          &rd_addr, &fit_uname_config)) {
                                debug("*  ramdisk: config '%s' from image at 0x%08lx\n",
                                      fit_uname_config, rd_addr);
                        } else if (fit_parse_subimage(select, default_addr,
@@ -357,58 +357,60 @@ static int select_ramdisk(bootm_headers_t *images, const char *select, u8 arch,
                                                      &fit_uname_ramdisk)) {
                                debug("*  ramdisk: subimage '%s' from image at 0x%08lx\n",
                                      fit_uname_ramdisk, rd_addr);
-                       } else {
-                               done = false;
+                       } else
+#endif
+                       {
+                               rd_addr = hextoul(select, NULL);
+                               debug("*  ramdisk: cmdline image address = 0x%08lx\n",
+                                     rd_addr);
                        }
+#if CONFIG_IS_ENABLED(FIT)
+               } else {
+                       /* use FIT configuration provided in first bootm
+                        * command argument. If the property is not defined,
+                        * quit silently (with -ENOPKG)
+                        */
+                       rd_addr = map_to_sysmem(images->fit_hdr_os);
+                       rd_noffset = fit_get_node_from_config(images,
+                                                             FIT_RAMDISK_PROP,
+                                                             rd_addr);
+                       if (rd_noffset == -ENOENT)
+                               return -ENOPKG;
+                       else if (rd_noffset < 0)
+                               return rd_noffset;
                }
-               if (!done) {
-                       rd_addr = hextoul(select, NULL);
-                       debug("*  ramdisk: cmdline image address = 0x%08lx\n",
-                             rd_addr);
-               }
-       } else if (CONFIG_IS_ENABLED(FIT)) {
-               /* use FIT configuration provided in first bootm
-                * command argument. If the property is not defined,
-                * quit silently (with -ENOPKG  )
-                */
-               rd_addr = map_to_sysmem(images->fit_hdr_os);
-               rd_noffset = fit_get_node_from_config(images, FIT_RAMDISK_PROP,
-                                                     rd_addr);
-               if (rd_noffset == -ENOENT)
-                       return -ENOPKG;
-               else if (rd_noffset < 0)
-                       return rd_noffset;
-       }
+#endif
 
-       /*
-        * Check if there is an initrd image at the
-        * address provided in the second bootm argument
-        * check image type, for FIT images get FIT node.
-        */
-       buf = map_sysmem(rd_addr, 0);
-       processed = false;
-       switch (genimg_get_format(buf)) {
-       case IMAGE_FORMAT_LEGACY:
-               if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
+               /*
+                * Check if there is an initrd image at the
+                * address provided in the second bootm argument
+                * check image type, for FIT images get FIT node.
+                */
+               buf = map_sysmem(rd_addr, 0);
+               switch (genimg_get_format(buf)) {
+#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
+               case IMAGE_FORMAT_LEGACY: {
                        const image_header_t *rd_hdr;
 
                        printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n",
                               rd_addr);
 
                        bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
-                       rd_hdr = image_get_ramdisk(rd_addr, arch, images->verify);
+                       rd_hdr = image_get_ramdisk(rd_addr, arch,
+                                                  images->verify);
+
                        if (!rd_hdr)
                                return -ENOENT;
 
                        *rd_datap = image_get_data(rd_hdr);
                        *rd_lenp = image_get_data_size(rd_hdr);
-                       processed = true;
+                       break;
                }
-               break;
-       case IMAGE_FORMAT_FIT:
-               if (CONFIG_IS_ENABLED(FIT)) {
-                       rd_noffset = fit_image_load(images, rd_addr,
-                                                   &fit_uname_ramdisk,
+#endif
+#if CONFIG_IS_ENABLED(FIT)
+               case IMAGE_FORMAT_FIT:
+                       rd_noffset = fit_image_load(images,
+                                                   rd_addr, &fit_uname_ramdisk,
                                                    &fit_uname_config, arch,
                                                    IH_TYPE_RAMDISK,
                                                    BOOTSTAGE_ID_FIT_RD_START,
@@ -420,36 +422,29 @@ static int select_ramdisk(bootm_headers_t *images, const char *select, u8 arch,
                        images->fit_hdr_rd = map_sysmem(rd_addr, 0);
                        images->fit_uname_rd = fit_uname_ramdisk;
                        images->fit_noffset_rd = rd_noffset;
-                       processed = true;
-               }
-               break;
-       case IMAGE_FORMAT_ANDROID:
-               if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
+                       break;
+#endif
+#ifdef CONFIG_ANDROID_BOOT_IMAGE
+               case IMAGE_FORMAT_ANDROID:
                        android_image_get_ramdisk((void *)images->os.start,
                                                  rd_datap, rd_lenp);
-                       processed = true;
-               }
-               break;
-       }
-
-       if (!processed) {
-               if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
-                       char *end = NULL;
-
-                       if (select)
-                               end = strchr(select, ':');
-                       if (end) {
-                               *rd_lenp = hextoul(++end, NULL);
-                               *rd_datap = rd_addr;
-                               processed = true;
+                       break;
+#endif
+               default:
+                       if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
+                               char *end = NULL;
+
+                               if (select)
+                                       end = strchr(select, ':');
+                               if (end) {
+                                       *rd_lenp = hextoul(++end, NULL);
+                                       *rd_datap = rd_addr;
+                                       break;
+                               }
                        }
-               }
-
-               if (!processed) {
                        puts("Wrong Ramdisk Image Format\n");
                        return -EINVAL;
                }
-       }
 
        return 0;
 }