[PATCH 1/1] EFI: add poweroff support

[Jean-Christophe PLAGNIOL-VILLARD]

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 arch/x86/configs/efi_defconfig | 1 +
 common/efi/efi.c               | 7 +++++++
 drivers/efi/Kconfig            | 1 +
 3 files changed, 9 insertions(+)

diff --git a/arch/x86/configs/efi_defconfig b/arch/x86/configs/efi_defconfig
index 0d9a44a4d..5f11c6c4e 100644
--- a/arch/x86/configs/efi_defconfig
+++ b/arch/x86/configs/efi_defconfig
@@ -55,6 +55,7 @@ CONFIG_CMD_CRC_CMP=y
 CONFIG_CMD_MM=y
 CONFIG_CMD_DETECT=y
 CONFIG_CMD_FLASH=y
+CONFIG_CMD_POWEROFF=y
 CONFIG_CMD_2048=y
 CONFIG_CMD_BAREBOX_UPDATE=y
 CONFIG_CMD_OF_NODE=y
diff --git a/common/efi/efi.c b/common/efi/efi.c
index cd4f5f029..96601cfce 100644
--- a/common/efi/efi.c
+++ b/common/efi/efi.c
@@ -289,6 +289,13 @@ static int restart_register_feature(void)
 }
 coredevice_initcall(restart_register_feature);
 
+void __noreturn poweroff(void)
+{
+	RT->reset_system(EFI_RESET_SHUTDOWN, EFI_SUCCESS, 0, NULL);
+
+	hang();
+}
+
 extern char image_base[];
 extern initcall_t __barebox_initcalls_start[], __barebox_early_initcalls_end[],
 		  __barebox_initcalls_end[];
diff --git a/drivers/efi/Kconfig b/drivers/efi/Kconfig
index 2cd9dd504..5c988d2e1 100644
--- a/drivers/efi/Kconfig
+++ b/drivers/efi/Kconfig
@@ -1,2 +1,3 @@
 config EFI_BOOTUP
 	bool
+	select HAS_POWEROFF
-- 
2.11.0