Am 17.04.2016 um 09:48 schrieb Beniamino Galvani b.galvani@gmail.com:
Implement calls to the secure monitor to reset the board and read the MAC address from e-fuse.
Signed-off-by: Beniamino Galvani b.galvani@gmail.com
arch/arm/include/asm/arch-meson/sm.h | 13 +++++++ arch/arm/mach-meson/Makefile | 2 +- arch/arm/mach-meson/board.c | 3 +- arch/arm/mach-meson/sm.c | 71 ++++++++++++++++++++++++++++++++++ board/hardkernel/odroid-c2/odroid-c2.c | 16 ++++++++ 5 files changed, 103 insertions(+), 2 deletions(-) create mode 100644 arch/arm/include/asm/arch-meson/sm.h create mode 100644 arch/arm/mach-meson/sm.c
diff --git a/arch/arm/include/asm/arch-meson/sm.h b/arch/arm/include/asm/arch-meson/sm.h new file mode 100644 index 0000000..87134c6 --- /dev/null +++ b/arch/arm/include/asm/arch-meson/sm.h @@ -0,0 +1,13 @@ +/*
- (C) Copyright 2016 - Beniamino Galvani b.galvani@gmail.com
- SPDX-License-Identifier: GPL-2.0+
- */
+#ifndef __MESON_SM_H__ +#define __MESON_SM_H__
+void meson_sm_reboot(void); +ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size);
+#endif /* __MESON_SM_H__ */ diff --git a/arch/arm/mach-meson/Makefile b/arch/arm/mach-meson/Makefile index 44e3d63..bf49b8b 100644 --- a/arch/arm/mach-meson/Makefile +++ b/arch/arm/mach-meson/Makefile @@ -4,4 +4,4 @@ # SPDX-License-Identifier: GPL-2.0+ #
-obj-y += board.o +obj-y += board.o sm.o diff --git a/arch/arm/mach-meson/board.c b/arch/arm/mach-meson/board.c index 05f4c79..6272f2f 100644 --- a/arch/arm/mach-meson/board.c +++ b/arch/arm/mach-meson/board.c @@ -8,6 +8,7 @@ #include <libfdt.h> #include <linux/err.h> #include <asm/arch/gxbb.h> +#include <asm/arch/sm.h> #include <asm/armv8/mmu.h> #include <asm/unaligned.h>
@@ -42,7 +43,7 @@ void dram_init_banksize(void)
void reset_cpu(ulong addr) {
- /* Not implemented yet */
- meson_sm_reboot();
Shouldn't reboot be available as psci call? We could then have a generic reset function for systems with working psci in atf.
Alex