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authorYork Sun <york.sun@nxp.com>2017-09-28 08:42:14 -0700
committerYork Sun <york.sun@nxp.com>2017-10-09 08:48:45 -0700
commitfb97b8621e6c44e7762bf6f7fd82d1b00519d4fd (patch)
tree07ff22a668a89ec8767816aebf0a4300da108e7d /arch/arm/lib/spl.c
parentf554411beaa30aa34e75baddb8a906dc06986922 (diff)
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>
Diffstat (limited to 'arch/arm/lib/spl.c')
-rw-r--r--arch/arm/lib/spl.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/lib/spl.c b/arch/arm/lib/spl.c
index 27d6682c0b..ab5d2277aa 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 @@ void __weak board_init_f(ulong dummy)
* 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 @@ void __noreturn jump_to_image_linux(struct spl_image_info *spl_image)
cleanup_before_linux();
image_entry(0, machid, spl_image->arg);
}
+#endif /* CONFIG_ARM64 */
#endif