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| author | Michal Simek <michal.simek@xilinx.com> | 2017-05-29 07:11:32 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-06-05 18:13:12 (GMT) |
| commit | 3c85417f45e8ffeb57ab04ed5512e3a1a813f0e0 (patch) | |
| tree | b86d40bdded9ab25c9214491bfb7cbeee4eede29 /arch/arm/cpu/armv8 | |
| parent | 18b29165854ba180ce3348e404f11a3e988fc726 (diff) | |
| download | u-boot-3c85417f45e8ffeb57ab04ed5512e3a1a813f0e0.tar.xz | |
ARMv8: Add support for poweroff via PSCI
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>
Diffstat (limited to 'arch/arm/cpu/armv8')
| -rw-r--r-- | arch/arm/cpu/armv8/fwcall.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fwcall.c b/arch/arm/cpu/armv8/fwcall.c index 7dfd270..c220267 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) { |