X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fsplash_source.c;h=2ff15208a70d77acc68e8cba33f1498a75e2f1be;hb=515f613253cf0a892c3a321770ab927fa3d925cf;hp=a21ad62f82d7abd59d6789a345d7a5903d7e474b;hpb=5619295995e3262bb5770e8b5e945ffdc5442145;p=oweals%2Fu-boot.git

diff --git a/common/splash_source.c b/common/splash_source.c
index a21ad62f82..2ff15208a7 100644
--- a/common/splash_source.c
+++ b/common/splash_source.c
@@ -1,13 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
  *
  * Authors: Igor Grinberg <grinberg@compulab.co.il>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <bmp_layout.h>
+#include <command.h>
+#include <env.h>
 #include <errno.h>
 #include <fs.h>
 #include <fdt_support.h>
@@ -304,8 +305,12 @@ static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
 {
 	int res;
 	int node_offset;
-	int splash_offset;
-	int splash_size;
+	const char *splash_file;
+	const void *internal_splash_data;
+	size_t internal_splash_size;
+	int external_splash_addr;
+	int external_splash_size;
+	bool is_splash_external = false;
 	struct image_header *img_header;
 	const u32 *fit_header;
 	u32 fit_size;
@@ -317,6 +322,11 @@ static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
 		return res;
 
 	img_header = (struct image_header *)bmp_load_addr;
+	if (image_get_magic(img_header) != FDT_MAGIC) {
+		printf("Could not find FDT magic\n");
+		return -EINVAL;
+	}
+
 	fit_size = fdt_totalsize(img_header);
 
 	/* Read in entire FIT */
@@ -331,36 +341,51 @@ static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
 		return -EINVAL;
 	}
 
-	node_offset = fit_image_get_node(fit_header, location->name);
+	/* Get the splash image node */
+	splash_file = env_get("splashfile");
+	if (!splash_file)
+		splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME;
+
+	node_offset = fit_image_get_node(fit_header, splash_file);
 	if (node_offset < 0) {
 		debug("Could not find splash image '%s' in FIT\n",
-		      location->name);
+		      splash_file);
 		return -ENOENT;
 	}
 
-	res = fit_image_get_data_offset(fit_header, node_offset,
-					&splash_offset);
-	if (res < 0) {
-		printf("Failed to load splash image (err=%d)\n", res);
-		return res;
+	/* Extract the splash data from FIT */
+	/* 1. Test if splash is in FIT internal data. */
+	if (!fit_image_get_data(fit_header, node_offset, &internal_splash_data, &internal_splash_size))
+		memmove((void *)bmp_load_addr, internal_splash_data, internal_splash_size);
+	/* 2. Test if splash is in FIT external data with fixed position. */
+	else if (!fit_image_get_data_position(fit_header, node_offset, &external_splash_addr))
+		is_splash_external = true;
+	/* 3. Test if splash is in FIT external data with offset. */
+	else if (!fit_image_get_data_offset(fit_header, node_offset, &external_splash_addr)) {
+		/* Align data offset to 4-byte boundary */
+		fit_size = ALIGN(fdt_totalsize(fit_header), 4);
+		/* External splash offset means the offset by end of FIT header */
+		external_splash_addr += location->offset + fit_size;
+		is_splash_external = true;
+	} else {
+		printf("Failed to get splash image from FIT\n");
+		return -ENODATA;
 	}
 
-	res = fit_image_get_data_size(fit_header, node_offset, &splash_size);
-	if (res < 0) {
-		printf("Failed to load splash image (err=%d)\n", res);
-		return res;
+	if (is_splash_external) {
+		res = fit_image_get_data_size(fit_header, node_offset, &external_splash_size);
+		if (res < 0) {
+			printf("Failed to get size of splash image (err=%d)\n", res);
+			return res;
+		}
+
+		/* Read in the splash data */
+		location->offset = external_splash_addr;
+		res = splash_storage_read_raw(location, bmp_load_addr, external_splash_size);
+		if (res < 0)
+			return res;
 	}
 
-	/* Align data offset to 4-byte boundrary */
-	fit_size = fdt_totalsize(fit_header);
-	fit_size = (fit_size + 3) & ~3;
-
-	/* Read in the splash data */
-	location->offset = (location->offset + fit_size + splash_offset);
-	res = splash_storage_read_raw(location, bmp_load_addr , splash_size);
-	if (res < 0)
-		return res;
-
 	return 0;
 }
 #endif /* CONFIG_FIT */