From: "Ang, Chee Hong" chee.hong.ang@intel.com
Enable psci_system_reset support for Stratix10. This PSCI function will eventually trigger the mailbox HPS_REBOOT to SDM.
Signed-off-by: Ang, Chee Hong chee.hong.ang@intel.com --- arch/arm/mach-socfpga/Makefile | 3 +++ arch/arm/mach-socfpga/psci.c | 21 +++++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 arch/arm/mach-socfpga/psci.c
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile index e667204..f77b229 100644 --- a/arch/arm/mach-socfpga/Makefile +++ b/arch/arm/mach-socfpga/Makefile @@ -38,6 +38,9 @@ obj-y += system_manager_s10.o obj-y += timer_s10.o obj-y += wrap_pinmux_config_s10.o obj-y += wrap_pll_config_s10.o +ifndef CONFIG_SPL_BUILD +obj-$(CONFIG_ARMV8_PSCI) += psci.o +endif endif
ifdef CONFIG_SPL_BUILD diff --git a/arch/arm/mach-socfpga/psci.c b/arch/arm/mach-socfpga/psci.c new file mode 100644 index 0000000..9ef3931 --- /dev/null +++ b/arch/arm/mach-socfpga/psci.c @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2017 Intel Corporation <www.intel.com> + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/psci.h> +#include <errno.h> +#include <asm/arch/mailbox_s10.h> +#include <asm/secure.h> + +void __noreturn __secure psci_system_reset(void) +{ + mbox_send_cmd_psci(MBOX_ID_UBOOT, MBOX_REBOOT_HPS, + MBOX_CMD_DIRECT, 0, NULL, 0, 0, NULL); + + while (1) + ; +}