From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:13:47 +0200
Subject: Adding upstream version 2.8.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 plat/nxp/common/img_loadr/load_img.c | 83 ++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 plat/nxp/common/img_loadr/load_img.c

(limited to 'plat/nxp/common/img_loadr/load_img.c')

diff --git a/plat/nxp/common/img_loadr/load_img.c b/plat/nxp/common/img_loadr/load_img.c
new file mode 100644
index 0000000..51011e4
--- /dev/null
+++ b/plat/nxp/common/img_loadr/load_img.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2018-2022 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <common/bl_common.h>
+#include <common/desc_image_load.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#include "load_img.h"
+
+/******************************************************************************
+ * This function can be used to load DDR PHY/FUSE Images
+ *
+ * @param [in] image_id		 Image ID to be loaded
+ *
+ * @param [in,out]  image_base   Location at which the image should be loaded
+ *				 In case image is prepended by a CSF header,
+ *				 image_base is pointer to actual image after
+ *				 the header
+ *
+ * @param [in,out]  image_size   User should pass the maximum size of the image
+ *				 possible.(Buffer size starting from image_base)
+ *				 Actual size of the image loaded is returned
+ *				 back.
+ *****************************************************************************/
+int load_img(unsigned int image_id, uintptr_t *image_base,
+		      uint32_t *image_size)
+{
+	int err = 0;
+
+	image_desc_t img_info = {
+		.image_id = image_id,
+		SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
+				VERSION_2, image_info_t, 0),
+#ifdef CSF_HEADER_PREPENDED
+		.image_info.image_base = *image_base - CSF_HDR_SZ,
+		.image_info.image_max_size = *image_size + CSF_HDR_SZ,
+#else
+		.image_info.image_base = *image_base,
+		.image_info.image_max_size = *image_size,
+#endif
+	};
+
+	/* Create MMU entry for the CSF header */
+#if PLAT_XLAT_TABLES_DYNAMIC
+#ifdef CSF_HEADER_PREPENDED
+	err = mmap_add_dynamic_region(img_info.image_info.image_base,
+			img_info.image_info.image_base,
+			CSF_HDR_SZ,
+			MT_MEMORY | MT_RW | MT_SECURE);
+	if (err != 0) {
+		ERROR("Failed to add dynamic memory region.\n");
+		return err;
+	}
+#endif
+#endif
+
+	VERBOSE("BL2: Loading IMG %d\n", image_id);
+	err = load_auth_image(image_id, &img_info.image_info);
+	if (err != 0) {
+		VERBOSE("Failed to load IMG %d\n", image_id);
+		return err;
+	}
+
+#ifdef CSF_HEADER_PREPENDED
+	*image_base = img_info.image_info.image_base + CSF_HDR_SZ;
+	*image_size = img_info.image_info.image_size - CSF_HDR_SZ;
+#if PLAT_XLAT_TABLES_DYNAMIC
+	mmap_remove_dynamic_region(img_info.image_info.image_base,
+				   CSF_HDR_SZ);
+#endif
+#else
+	*image_base = img_info.image_info.image_base;
+	*image_size = img_info.image_info.image_size;
+#endif
+
+	return err;
+}
-- 
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