From: Michal Simek michal.simek@xilinx.com
Add support for calling poweroff in case of psci is wired. Based on the same solution as is used for reset.
Signed-off-by: Michal Simek michal.simek@xilinx.com Reviewed-by: Simon Glass sjg@chromium.org [trini: Move all logic in to fwcall.c as other ARMs implement poweroff via PMIC] Signed-off-by: Tom Rini trini@konsulko.com --- arch/arm/cpu/armv8/fwcall.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/arch/arm/cpu/armv8/fwcall.c b/arch/arm/cpu/armv8/fwcall.c index 7dfd27002916..c2202675366f 100644 --- a/arch/arm/cpu/armv8/fwcall.c +++ b/arch/arm/cpu/armv8/fwcall.c @@ -1,5 +1,6 @@ /** * (C) Copyright 2014, Cavium Inc. + * (C) Copyright 2017, Xilinx Inc. * * SPDX-License-Identifier: GPL-2.0+ **/ @@ -114,6 +115,22 @@ void __noreturn __efi_runtime psci_system_off(void) ; }
+#ifdef CONFIG_CMD_POWEROFF +int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + puts("poweroff ...\n"); + + udelay(50000); /* wait 50 ms */ + + disable_interrupts(); + + psci_system_off(); + + /*NOTREACHED*/ + return 0; +} +#endif + #ifdef CONFIG_PSCI_RESET void reset_misc(void) {