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armv8: layerscape: Enable falcon boot

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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>
This commit is contained in:
York Sun
2017-09-28 08:42:14 -07:00
parent f554411bea
commit fb97b8621e
4 changed files with 178 additions and 2 deletions
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11
arch/arm/lib/spl.c
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@@ -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