Introduce a common remoteproc elf loader function that automatically
detects the 64 bit elf file or 32 bit elf file and loads the sections
accordingly.

Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
 drivers/remoteproc/rproc-elf-loader.c | 15 +++++++++++++++
 include/remoteproc.h                  | 14 ++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/drivers/remoteproc/rproc-elf-loader.c 
b/drivers/remoteproc/rproc-elf-loader.c
index dff1873a51..276164bae7 100644
--- a/drivers/remoteproc/rproc-elf-loader.c
+++ b/drivers/remoteproc/rproc-elf-loader.c
@@ -219,3 +219,18 @@ int rproc_elf64_load_image(struct udevice *dev, ulong 
addr, ulong size)
 
        return ret;
 }
+
+int rproc_elf_load_image(struct udevice *dev, ulong addr, ulong size)
+{
+       Elf32_Ehdr *ehdr = (Elf32_Ehdr *)addr;
+
+       if (!addr) {
+               dev_err(dev, "Invalid firmware address\n");
+               return -EFAULT;
+       }
+
+       if (ehdr->e_ident[EI_CLASS] == ELFCLASS64)
+               return rproc_elf64_load_image(dev, addr, size);
+       else
+               return rproc_elf32_load_image(dev, addr, size);
+}
diff --git a/include/remoteproc.h b/include/remoteproc.h
index f5d77c8c81..e0493aae2c 100644
--- a/include/remoteproc.h
+++ b/include/remoteproc.h
@@ -219,6 +219,17 @@ int rproc_elf32_load_image(struct udevice *dev, unsigned 
long addr, ulong size);
  * @return 0 if the image is successfully loaded, else appropriate error value.
  */
 int rproc_elf64_load_image(struct udevice *dev, ulong addr, ulong size);
+
+/**
+ * rproc_elf_load_image() - load an ELF image
+ * @dev:       device loading the ELF image
+ * @addr:      valid ELF image address
+ * @size:      size of the image
+ *
+ * Auto detects if the image is ELF32 or ELF64 image and load accordingly.
+ * @return 0 if the image is successfully loaded, else appropriate error value.
+ */
+int rproc_elf_load_image(struct udevice *dev, unsigned long addr, ulong size);
 #else
 static inline int rproc_init(void) { return -ENOSYS; }
 static inline int rproc_dev_init(int id) { return -ENOSYS; }
@@ -235,6 +246,9 @@ static inline int rproc_elf32_load_image(struct udevice 
*dev,
 static inline int rproc_elf64_load_image(struct udevice *dev, ulong addr,
                                         ulong size)
 { return -ENOSYS; }
+static inline int rproc_elf_load_image(struct udevice *dev, ulong addr,
+                                      ulong size)
+{ return -ENOSYS; }
 #endif
 
 #endif /* _RPROC_H_ */
-- 
2.22.0

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