armv8: layerscape: Enable falcon boot
Add jump_to_image_linux() for arm64. Add "noreturn" flag to
armv8_switch_to_el2(). Add hooks to fsl-layerscape to enable falcon
boot.
Signed-off-by: York Sun <york.sun@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Tested-by: Łukasz Majewski <lukma@denx.de>
diff --git a/arch/arm/lib/spl.c b/arch/arm/lib/spl.c
index 27d6682..ab5d227 100644
--- a/arch/arm/lib/spl.c
+++ b/arch/arm/lib/spl.c
@@ -7,6 +7,7 @@
*
* SPDX-License-Identifier: GPL-2.0+
*/
+
#include <common.h>
#include <config.h>
#include <spl.h>
@@ -47,6 +48,15 @@
* image.
*/
#ifdef CONFIG_SPL_OS_BOOT
+#ifdef CONFIG_ARM64
+void __noreturn jump_to_image_linux(struct spl_image_info *spl_image)
+{
+ debug("Entering kernel arg pointer: 0x%p\n", spl_image->arg);
+ cleanup_before_linux();
+ armv8_switch_to_el2((u64)spl_image->arg, 0, 0, 0,
+ spl_image->entry_point, ES_TO_AARCH64);
+}
+#else
void __noreturn jump_to_image_linux(struct spl_image_info *spl_image)
{
unsigned long machid = 0xffffffff;
@@ -62,4 +72,5 @@
cleanup_before_linux();
image_entry(0, machid, spl_image->arg);
}
+#endif /* CONFIG_ARM64 */
#endif